namespace Mono.CSharp {
using System;
- using System.Collections;
+ using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
using System.Text;
+ using System.Linq;
+ using SLE = System.Linq.Expressions;
//
// This is an user operator expression, automatically created during
// resolve phase
//
public class UserOperatorCall : Expression {
- public delegate Expression ExpressionTreeExpression (EmitContext ec, MethodGroupExpr mg);
+ public delegate Expression ExpressionTreeExpression (ResolveContext ec, MethodGroupExpr mg);
protected readonly Arguments arguments;
protected readonly MethodGroupExpr mg;
this.arguments = args;
this.expr_tree = expr_tree;
- type = TypeManager.TypeToCoreType (((MethodInfo) mg).ReturnType);
+ type = mg.BestCandidate.ReturnType;
eclass = ExprClass.Value;
this.loc = loc;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
if (expr_tree != null)
return expr_tree (ec, mg);
new NullLiteral (loc),
mg.CreateExpressionTree (ec));
- return CreateExpressionFactoryCall ("Call", args);
+ return CreateExpressionFactoryCall (ec, "Call", args);
}
protected override void CloneTo (CloneContext context, Expression target)
// Nothing to clone
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
//
// We are born fully resolved
mg.EmitCall (ec, arguments);
}
- public MethodGroupExpr Method {
- get { return mg; }
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
+ {
+ var method = mg.BestCandidate.GetMetaInfo () as MethodInfo;
+ return SLE.Expression.Call (method, Arguments.MakeExpression (arguments, ctx));
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- arguments.MutateHoistedGenericType (storey);
- mg.MutateHoistedGenericType (storey);
+ public MethodGroupExpr Method {
+ get { return mg; }
}
}
- public class ParenthesizedExpression : Expression
+ public class ParenthesizedExpression : ShimExpression
{
- public Expression Expr;
-
public ParenthesizedExpression (Expression expr)
+ : base (expr)
{
- Expr = expr;
loc = expr.Location;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- throw new NotSupportedException ("ET");
+ return expr.Resolve (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
- Expr = Expr.Resolve (ec);
- return Expr;
- }
-
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
- {
- return Expr.DoResolveLValue (ec, right_side);
- }
-
- public override void Emit (EmitContext ec)
- {
- throw new Exception ("Should not happen");
- }
-
- protected override void CloneTo (CloneContext clonectx, Expression t)
- {
- ParenthesizedExpression target = (ParenthesizedExpression) t;
-
- target.Expr = Expr.Clone (clonectx);
+ return expr.DoResolveLValue (ec, right_side);
}
}
AddressOf, TOP
}
- static Type [] [] predefined_operators;
+ static TypeSpec[][] predefined_operators;
public readonly Operator Oper;
public Expression Expr;
Expression enum_conversion;
- public Unary (Operator op, Expression expr)
+ public Unary (Operator op, Expression expr, Location loc)
{
Oper = op;
Expr = expr;
- loc = expr.Location;
+ this.loc = loc;
}
// <summary>
// This routine will attempt to simplify the unary expression when the
// argument is a constant.
// </summary>
- Constant TryReduceConstant (EmitContext ec, Constant e)
+ Constant TryReduceConstant (ResolveContext ec, Constant e)
{
if (e is EmptyConstantCast)
return TryReduceConstant (ec, ((EmptyConstantCast) e).child);
return r == null ? null : new SideEffectConstant (r, e, r.Location);
}
- Type expr_type = e.Type;
+ TypeSpec expr_type = e.Type;
switch (Oper){
case Operator.UnaryPlus:
int value = ((IntConstant)e).Value;
if (value == int.MinValue) {
if (ec.ConstantCheckState) {
- ConstantFold.Error_CompileTimeOverflow (loc);
+ ConstantFold.Error_CompileTimeOverflow (ec, loc);
return null;
}
return e;
long value = ((LongConstant)e).Value;
if (value == long.MinValue) {
if (ec.ConstantCheckState) {
- ConstantFold.Error_CompileTimeOverflow (loc);
+ ConstantFold.Error_CompileTimeOverflow (ec, loc);
return null;
}
return e;
if (expr_type == TypeManager.uint32_type) {
UIntLiteral uil = e as UIntLiteral;
if (uil != null) {
- if (uil.Value == 2147483648)
+ if (uil.Value == int.MaxValue + (uint) 1)
return new IntLiteral (int.MinValue, e.Location);
return new LongLiteral (-uil.Value, e.Location);
}
throw new Exception ("Can not constant fold: " + Oper.ToString());
}
- protected Expression ResolveOperator (EmitContext ec, Expression expr)
+ protected Expression ResolveOperator (ResolveContext ec, Expression expr)
{
eclass = ExprClass.Value;
if (predefined_operators == null)
CreatePredefinedOperatorsTable ();
- Type expr_type = expr.Type;
+ TypeSpec expr_type = expr.Type;
Expression best_expr;
//
return ResolveUserType (ec, expr);
}
- protected virtual Expression ResolveEnumOperator (EmitContext ec, Expression expr)
+ protected virtual Expression ResolveEnumOperator (ResolveContext ec, Expression expr)
{
- Type underlying_type = TypeManager.GetEnumUnderlyingType (expr.Type);
+ TypeSpec underlying_type = EnumSpec.GetUnderlyingType (expr.Type);
Expression best_expr = ResolvePrimitivePredefinedType (EmptyCast.Create (expr, underlying_type));
if (best_expr == null)
return null;
return EmptyCast.Create (this, type);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
return CreateExpressionTree (ec, null);
}
- Expression CreateExpressionTree (EmitContext ec, MethodGroupExpr user_op)
+ Expression CreateExpressionTree (ResolveContext ec, MethodGroupExpr user_op)
{
string method_name;
switch (Oper) {
case Operator.AddressOf:
- Error_PointerInsideExpressionTree ();
+ Error_PointerInsideExpressionTree (ec);
return null;
case Operator.UnaryNegation:
- if (ec.HasSet (EmitContext.Options.CheckedScope) && user_op == null && !IsFloat (type))
+ if (ec.HasSet (ResolveContext.Options.CheckedScope) && user_op == null && !IsFloat (type))
method_name = "NegateChecked";
else
method_name = "Negate";
args.Add (new Argument (Expr.CreateExpressionTree (ec)));
if (user_op != null)
args.Add (new Argument (user_op.CreateExpressionTree (ec)));
- return CreateExpressionFactoryCall (method_name, args);
+ return CreateExpressionFactoryCall (ec, method_name, args);
}
static void CreatePredefinedOperatorsTable ()
{
- predefined_operators = new Type [(int) Operator.TOP] [];
+ predefined_operators = new TypeSpec [(int) Operator.TOP] [];
//
// 7.6.1 Unary plus operator
//
- predefined_operators [(int) Operator.UnaryPlus] = new Type [] {
+ predefined_operators [(int) Operator.UnaryPlus] = new TypeSpec [] {
TypeManager.int32_type, TypeManager.uint32_type,
TypeManager.int64_type, TypeManager.uint64_type,
TypeManager.float_type, TypeManager.double_type,
//
// 7.6.2 Unary minus operator
//
- predefined_operators [(int) Operator.UnaryNegation] = new Type [] {
+ predefined_operators [(int) Operator.UnaryNegation] = new TypeSpec [] {
TypeManager.int32_type,
TypeManager.int64_type,
TypeManager.float_type, TypeManager.double_type,
//
// 7.6.3 Logical negation operator
//
- predefined_operators [(int) Operator.LogicalNot] = new Type [] {
+ predefined_operators [(int) Operator.LogicalNot] = new TypeSpec [] {
TypeManager.bool_type
};
//
// 7.6.4 Bitwise complement operator
//
- predefined_operators [(int) Operator.OnesComplement] = new Type [] {
+ predefined_operators [(int) Operator.OnesComplement] = new TypeSpec [] {
TypeManager.int32_type, TypeManager.uint32_type,
TypeManager.int64_type, TypeManager.uint64_type
};
//
static Expression DoNumericPromotion (Operator op, Expression expr)
{
- Type expr_type = expr.Type;
+ TypeSpec expr_type = expr.Type;
if ((op == Operator.UnaryPlus || op == Operator.UnaryNegation || op == Operator.OnesComplement) &&
expr_type == TypeManager.byte_type || expr_type == TypeManager.sbyte_type ||
expr_type == TypeManager.short_type || expr_type == TypeManager.ushort_type ||
return expr;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (Oper == Operator.AddressOf) {
return ResolveAddressOf (ec);
if (Expr == null)
return null;
- if (TypeManager.IsDynamicType (Expr.Type)) {
+ if (Expr.Type == InternalType.Dynamic) {
Arguments args = new Arguments (1);
args.Add (new Argument (Expr));
- return new DynamicUnaryConversion (GetOperatorExpressionTypeName (), args, loc).DoResolve (ec);
+ return new DynamicUnaryConversion (GetOperatorExpressionTypeName (), args, loc).Resolve (ec);
}
if (TypeManager.IsNullableType (Expr.Type))
- return new Nullable.LiftedUnaryOperator (Oper, Expr).Resolve (ec);
+ return new Nullable.LiftedUnaryOperator (Oper, Expr, loc).Resolve (ec);
//
// Attempt to use a constant folding operation.
if (cexpr != null) {
cexpr = TryReduceConstant (ec, cexpr);
if (cexpr != null)
- return cexpr;
+ return cexpr.Resolve (ec);
}
Expression expr = ResolveOperator (ec, Expr);
if (expr == null)
- Error_OperatorCannotBeApplied (loc, OperName (Oper), Expr.Type);
+ Error_OperatorCannotBeApplied (ec, loc, OperName (Oper), Expr.Type);
//
// Reduce unary operator on predefined types
return expr;
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right)
{
return null;
}
EmitOperator (ec, type);
}
- protected void EmitOperator (EmitContext ec, Type type)
+ protected void EmitOperator (EmitContext ec, TypeSpec type)
{
- ILGenerator ig = ec.ig;
-
switch (Oper) {
case Operator.UnaryPlus:
Expr.Emit (ec);
case Operator.UnaryNegation:
if (ec.HasSet (EmitContext.Options.CheckedScope) && !IsFloat (type)) {
- ig.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Ldc_I4_0);
if (type == TypeManager.int64_type)
- ig.Emit (OpCodes.Conv_U8);
+ ec.Emit (OpCodes.Conv_U8);
Expr.Emit (ec);
- ig.Emit (OpCodes.Sub_Ovf);
+ ec.Emit (OpCodes.Sub_Ovf);
} else {
Expr.Emit (ec);
- ig.Emit (OpCodes.Neg);
+ ec.Emit (OpCodes.Neg);
}
break;
case Operator.LogicalNot:
Expr.Emit (ec);
- ig.Emit (OpCodes.Ldc_I4_0);
- ig.Emit (OpCodes.Ceq);
+ ec.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Ceq);
break;
case Operator.OnesComplement:
Expr.Emit (ec);
- ig.Emit (OpCodes.Not);
+ ec.Emit (OpCodes.Not);
break;
case Operator.AddressOf:
Expr.EmitSideEffect (ec);
}
- public static void Error_OperatorCannotBeApplied (Location loc, string oper, Type t)
+ public static void Error_OperatorCannotBeApplied (ResolveContext ec, Location loc, string oper, TypeSpec t)
{
- Report.Error (23, loc, "The `{0}' operator cannot be applied to operand of type `{1}'",
+ ec.Report.Error (23, loc, "The `{0}' operator cannot be applied to operand of type `{1}'",
oper, TypeManager.CSharpName (t));
}
}
}
- static bool IsFloat (Type t)
+ static bool IsFloat (TypeSpec t)
{
return t == TypeManager.float_type || t == TypeManager.double_type;
}
throw new NotImplementedException (oper.ToString ());
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
+ {
+ var expr = Expr.MakeExpression (ctx);
+ bool is_checked = ctx.HasSet (BuilderContext.Options.CheckedScope);
+
+ switch (Oper) {
+ case Operator.UnaryNegation:
+ return is_checked ? SLE.Expression.NegateChecked (expr) : SLE.Expression.Negate (expr);
+ case Operator.LogicalNot:
+ return SLE.Expression.Not (expr);
+#if NET_4_0
+ case Operator.OnesComplement:
+ return SLE.Expression.OnesComplement (expr);
+#endif
+ default:
+ throw new NotImplementedException (Oper.ToString ());
+ }
+ }
+
+ public static void Reset ()
{
- type = storey.MutateType (type);
- Expr.MutateHoistedGenericType (storey);
+ predefined_operators = null;
}
- Expression ResolveAddressOf (EmitContext ec)
+ Expression ResolveAddressOf (ResolveContext ec)
{
- if (!ec.InUnsafe)
- UnsafeError (loc);
+ if (!ec.IsUnsafe)
+ UnsafeError (ec, loc);
Expr = Expr.DoResolveLValue (ec, EmptyExpression.UnaryAddress);
if (Expr == null || Expr.eclass != ExprClass.Variable) {
- Error (211, "Cannot take the address of the given expression");
+ ec.Report.Error (211, loc, "Cannot take the address of the given expression");
return null;
}
- if (!TypeManager.VerifyUnManaged (Expr.Type, loc)) {
+ if (!TypeManager.VerifyUnmanaged (ec.Compiler, Expr.Type, loc)) {
return null;
}
vr.SetHasAddressTaken ();
if (vr.IsHoisted) {
- AnonymousMethodExpression.Error_AddressOfCapturedVar (vr, loc);
+ AnonymousMethodExpression.Error_AddressOfCapturedVar (ec, vr, loc);
}
} else {
IFixedExpression fe = Expr as IFixedExpression;
is_fixed = fe != null && fe.IsFixed;
}
- if (!is_fixed && !ec.HasSet (EmitContext.Options.FixedInitializerScope)) {
- Error (212, "You can only take the address of unfixed expression inside of a fixed statement initializer");
+ if (!is_fixed && !ec.HasSet (ResolveContext.Options.FixedInitializerScope)) {
+ ec.Report.Error (212, loc, "You can only take the address of unfixed expression inside of a fixed statement initializer");
}
- type = TypeManager.GetPointerType (Expr.Type);
+ type = PointerContainer.MakeType (Expr.Type);
eclass = ExprClass.Value;
return this;
}
Expression ResolvePrimitivePredefinedType (Expression expr)
{
expr = DoNumericPromotion (Oper, expr);
- Type expr_type = expr.Type;
- Type[] predefined = predefined_operators [(int) Oper];
- foreach (Type t in predefined) {
+ TypeSpec expr_type = expr.Type;
+ TypeSpec[] predefined = predefined_operators [(int) Oper];
+ foreach (TypeSpec t in predefined) {
if (t == expr_type)
return expr;
}
//
// Perform user-operator overload resolution
//
- protected virtual Expression ResolveUserOperator (EmitContext ec, Expression expr)
+ protected virtual Expression ResolveUserOperator (ResolveContext ec, Expression expr)
{
CSharp.Operator.OpType op_type;
switch (Oper) {
}
string op_name = CSharp.Operator.GetMetadataName (op_type);
- MethodGroupExpr user_op = MemberLookup (ec.CurrentType, expr.Type, op_name, MemberTypes.Method, AllBindingFlags, expr.Location) as MethodGroupExpr;
+ MethodGroupExpr user_op = MethodLookup (ec.Compiler, ec.CurrentType, expr.Type, MemberKind.Operator, op_name, 0, expr.Location);
if (user_op == null)
return null;
//
// Unary user type overload resolution
//
- Expression ResolveUserType (EmitContext ec, Expression expr)
+ Expression ResolveUserType (ResolveContext ec, Expression expr)
{
Expression best_expr = ResolveUserOperator (ec, expr);
if (best_expr != null)
return best_expr;
- Type[] predefined = predefined_operators [(int) Oper];
- foreach (Type t in predefined) {
- Expression oper_expr = Convert.UserDefinedConversion (ec, expr, t, expr.Location, false);
+ TypeSpec[] predefined = predefined_operators [(int) Oper];
+ foreach (TypeSpec t in predefined) {
+ Expression oper_expr = Convert.UserDefinedConversion (ec, expr, t, expr.Location, false, false);
if (oper_expr == null)
continue;
int result = MethodGroupExpr.BetterTypeConversion (ec, best_expr.Type, t);
if (result == 0) {
- Report.Error (35, loc, "Operator `{0}' is ambiguous on an operand of type `{1}'",
+ ec.Report.Error (35, loc, "Operator `{0}' is ambiguous on an operand of type `{1}'",
OperName (Oper), TypeManager.CSharpName (expr.Type));
break;
}
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Error_PointerInsideExpressionTree ();
+ Error_PointerInsideExpressionTree (ec);
return null;
}
if (!prepared)
expr.Emit (ec);
- LoadFromPtr (ec.ig, Type);
+ ec.EmitLoadFromPtr (Type);
}
public void Emit (EmitContext ec, bool leave_copy)
{
Emit (ec);
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
temporary = new LocalTemporary (expr.Type);
temporary.Store (ec);
}
expr.Emit (ec);
if (prepare_for_load)
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
source.Emit (ec);
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
temporary = new LocalTemporary (expr.Type);
temporary.Store (ec);
}
- StoreFromPtr (ec.ig, type);
+ ec.EmitStoreFromPtr (type);
if (temporary != null) {
temporary.Emit (ec);
expr.Emit (ec);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
return DoResolve (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
return null;
- if (!ec.InUnsafe)
- UnsafeError (loc);
+ if (!ec.IsUnsafe)
+ UnsafeError (ec, loc);
if (!expr.Type.IsPointer) {
- Error (193, "The * or -> operator must be applied to a pointer");
+ ec.Report.Error (193, loc, "The * or -> operator must be applied to a pointer");
return null;
}
if (expr.Type == TypeManager.void_ptr_type) {
- Error (242, "The operation in question is undefined on void pointers");
+ ec.Report.Error (242, loc, "The operation in question is undefined on void pointers");
return null;
}
/// classes (indexers require temporary access; overloaded require method)
///
/// </remarks>
- public class UnaryMutator : ExpressionStatement {
+ public class UnaryMutator : ExpressionStatement
+ {
+ class DynamicPostMutator : Expression, IAssignMethod
+ {
+ LocalTemporary temp;
+ Expression expr;
+
+ public DynamicPostMutator (Expression expr)
+ {
+ this.expr = expr;
+ this.type = expr.Type;
+ this.loc = expr.Location;
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
+ {
+ throw new NotImplementedException ("ET");
+ }
+
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ eclass = expr.eclass;
+ return this;
+ }
+
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
+ {
+ expr.DoResolveLValue (ec, right_side);
+ return DoResolve (ec);
+ }
+
+ public override void Emit (EmitContext ec)
+ {
+ temp.Emit (ec);
+ }
+
+ public void Emit (EmitContext ec, bool leave_copy)
+ {
+ throw new NotImplementedException ();
+ }
+
+ //
+ // Emits target assignment using unmodified source value
+ //
+ public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool prepare_for_load)
+ {
+ //
+ // Allocate temporary variable to keep original value before it's modified
+ //
+ temp = new LocalTemporary (type);
+ expr.Emit (ec);
+ temp.Store (ec);
+
+ ((IAssignMethod) expr).EmitAssign (ec, source, false, prepare_for_load);
+
+ if (leave_copy)
+ Emit (ec);
+
+ temp.Release (ec);
+ temp = null;
+ }
+ }
+
[Flags]
public enum Mode : byte {
IsIncrement = 0,
}
Mode mode;
- bool is_expr = false;
- bool recurse = false;
+ bool is_expr, recurse;
Expression expr;
- //
- // This is expensive for the simplest case.
- //
- UserOperatorCall method;
+ // Holds the real operation
+ Expression operation;
- public UnaryMutator (Mode m, Expression e)
+ public UnaryMutator (Mode m, Expression e, Location loc)
{
mode = m;
- loc = e.Location;
+ this.loc = loc;
expr = e;
}
- static string OperName (Mode mode)
- {
- return (mode == Mode.PreIncrement || mode == Mode.PostIncrement) ?
- "++" : "--";
- }
-
- /// <summary>
- /// Returns whether an object of type `t' can be incremented
- /// or decremented with add/sub (ie, basically whether we can
- /// use pre-post incr-decr operations on it, but it is not a
- /// System.Decimal, which we require operator overloading to catch)
- /// </summary>
- static bool IsIncrementableNumber (Type t)
- {
- return (t == TypeManager.sbyte_type) ||
- (t == TypeManager.byte_type) ||
- (t == TypeManager.short_type) ||
- (t == TypeManager.ushort_type) ||
- (t == TypeManager.int32_type) ||
- (t == TypeManager.uint32_type) ||
- (t == TypeManager.int64_type) ||
- (t == TypeManager.uint64_type) ||
- (t == TypeManager.char_type) ||
- (TypeManager.IsSubclassOf (t, TypeManager.enum_type)) ||
- (t == TypeManager.float_type) ||
- (t == TypeManager.double_type) ||
- (t.IsPointer && t != TypeManager.void_ptr_type);
- }
-
- Expression ResolveOperator (EmitContext ec)
- {
- type = expr.Type;
-
- //
- // The operand of the prefix/postfix increment decrement operators
- // should be an expression that is classified as a variable,
- // a property access or an indexer access
- //
- if (expr.eclass == ExprClass.Variable || expr.eclass == ExprClass.IndexerAccess || expr.eclass == ExprClass.PropertyAccess) {
- expr = expr.ResolveLValue (ec, expr);
- } else {
- Report.Error (1059, loc, "The operand of an increment or decrement operator must be a variable, property or indexer");
- }
-
- //
- // Step 1: Perform Operator Overload location
- //
- MethodGroupExpr mg;
- string op_name;
-
- if (mode == Mode.PreIncrement || mode == Mode.PostIncrement)
- op_name = Operator.GetMetadataName (Operator.OpType.Increment);
- else
- op_name = Operator.GetMetadataName (Operator.OpType.Decrement);
-
- mg = MemberLookup (ec.CurrentType, type, op_name, MemberTypes.Method, AllBindingFlags, loc) as MethodGroupExpr;
-
- if (mg != null) {
- Arguments args = new Arguments (1);
- args.Add (new Argument (expr));
- mg = mg.OverloadResolve (ec, ref args, false, loc);
- if (mg == null)
- return null;
-
- method = new UserOperatorCall (mg, args, null, loc);
- Convert.ImplicitConversionRequired (ec, method, type, loc);
- return this;
- }
-
- if (!IsIncrementableNumber (type)) {
- Error (187, "No such operator '" + OperName (mode) + "' defined for type '" +
- TypeManager.CSharpName (type) + "'");
- return null;
- }
-
- return this;
- }
-
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
return new SimpleAssign (this, this).CreateExpressionTree (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
return null;
- if (TypeManager.IsDynamicType (expr.Type)) {
+ if (expr.Type == InternalType.Dynamic) {
+ //
+ // Handle postfix unary operators using local
+ // temporary variable
+ //
+ if ((mode & Mode.IsPost) != 0)
+ expr = new DynamicPostMutator (expr);
+
Arguments args = new Arguments (1);
args.Add (new Argument (expr));
- return new DynamicUnaryConversion (GetOperatorExpressionTypeName (), args, loc).DoResolve (ec);
+ return new SimpleAssign (expr, new DynamicUnaryConversion (GetOperatorExpressionTypeName (), args, loc)).Resolve (ec);
}
- eclass = ExprClass.Value;
-
if (TypeManager.IsNullableType (expr.Type))
return new Nullable.LiftedUnaryMutator (mode, expr, loc).Resolve (ec);
+ eclass = ExprClass.Value;
+ type = expr.Type;
return ResolveOperator (ec);
}
- //
- // Loads the proper "1" into the stack based on the type, then it emits the
- // opcode for the operation requested
- //
- void LoadOneAndEmitOp (EmitContext ec, Type t)
- {
- //
- // Measure if getting the typecode and using that is more/less efficient
- // that comparing types. t.GetTypeCode() is an internal call.
- //
- ILGenerator ig = ec.ig;
-
- if (t == TypeManager.uint64_type || t == TypeManager.int64_type)
- LongConstant.EmitLong (ig, 1);
- else if (t == TypeManager.double_type)
- ig.Emit (OpCodes.Ldc_R8, 1.0);
- else if (t == TypeManager.float_type)
- ig.Emit (OpCodes.Ldc_R4, 1.0F);
- else if (t.IsPointer){
- Type et = TypeManager.GetElementType (t);
- int n = GetTypeSize (et);
-
- if (n == 0)
- ig.Emit (OpCodes.Sizeof, et);
- else {
- IntConstant.EmitInt (ig, n);
- ig.Emit (OpCodes.Conv_I);
- }
- } else
- ig.Emit (OpCodes.Ldc_I4_1);
-
- //
- // Now emit the operation
- //
-
- Binary.Operator op = (mode & Mode.IsDecrement) != 0 ? Binary.Operator.Subtraction : Binary.Operator.Addition;
- Binary.EmitOperatorOpcode (ec, op, t);
-
- if (t == TypeManager.sbyte_type){
- if (ec.HasSet (EmitContext.Options.CheckedScope))
- ig.Emit (OpCodes.Conv_Ovf_I1);
- else
- ig.Emit (OpCodes.Conv_I1);
- } else if (t == TypeManager.byte_type){
- if (ec.HasSet (EmitContext.Options.CheckedScope))
- ig.Emit (OpCodes.Conv_Ovf_U1);
- else
- ig.Emit (OpCodes.Conv_U1);
- } else if (t == TypeManager.short_type){
- if (ec.HasSet (EmitContext.Options.CheckedScope))
- ig.Emit (OpCodes.Conv_Ovf_I2);
- else
- ig.Emit (OpCodes.Conv_I2);
- } else if (t == TypeManager.ushort_type || t == TypeManager.char_type){
- if (ec.HasSet (EmitContext.Options.CheckedScope))
- ig.Emit (OpCodes.Conv_Ovf_U2);
- else
- ig.Emit (OpCodes.Conv_U2);
- }
-
- }
-
void EmitCode (EmitContext ec, bool is_expr)
{
recurse = true;
//
if (recurse) {
((IAssignMethod) expr).Emit (ec, is_expr && (mode == Mode.PostIncrement || mode == Mode.PostDecrement));
- if (method == null)
- LoadOneAndEmitOp (ec, expr.Type);
- else
- ec.ig.Emit (OpCodes.Call, (MethodInfo)method.Method);
+
+ operation.Emit (ec);
+
recurse = false;
return;
}
//
string GetOperatorExpressionTypeName ()
{
- if ((mode & Mode.IsDecrement) != 0)
- return "Decrement";
+ return IsDecrement ? "Decrement" : "Increment";
+ }
- return "Increment";
+ bool IsDecrement {
+ get { return (mode & Mode.IsDecrement) != 0; }
+ }
+
+ //
+ // Returns whether an object of type `t' can be incremented
+ // or decremented with add/sub (ie, basically whether we can
+ // use pre-post incr-decr operations on it, but it is not a
+ // System.Decimal, which we require operator overloading to catch)
+ //
+ static bool IsPredefinedOperator (TypeSpec t)
+ {
+ return (TypeManager.IsPrimitiveType (t) && t != TypeManager.bool_type) ||
+ TypeManager.IsEnumType (t) ||
+ t.IsPointer && t != TypeManager.void_ptr_type;
+ }
+
+#if NET_4_0
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
+ {
+ var target = ((RuntimeValueExpression) expr).MetaObject.Expression;
+ var source = SLE.Expression.Convert (operation.MakeExpression (ctx), target.Type);
+ return SLE.Expression.Assign (target, source);
}
+#endif
protected override void CloneTo (CloneContext clonectx, Expression t)
{
target.expr = expr.Clone (clonectx);
}
+
+ Expression ResolveOperator (ResolveContext ec)
+ {
+ if (expr is RuntimeValueExpression) {
+ operation = expr;
+ } else {
+ // Use itself at the top of the stack
+ operation = new EmptyExpression (type);
+ }
+
+ //
+ // The operand of the prefix/postfix increment decrement operators
+ // should be an expression that is classified as a variable,
+ // a property access or an indexer access
+ //
+ if (expr.eclass == ExprClass.Variable || expr.eclass == ExprClass.IndexerAccess || expr.eclass == ExprClass.PropertyAccess) {
+ expr = expr.ResolveLValue (ec, expr);
+ } else {
+ ec.Report.Error (1059, loc, "The operand of an increment or decrement operator must be a variable, property or indexer");
+ }
+
+ //
+ // 1. Check predefined types
+ //
+ if (IsPredefinedOperator (type)) {
+ // TODO: Move to IntConstant once I get rid of int32_type
+ var one = new IntConstant (1, loc);
+
+ // TODO: Cache this based on type when using EmptyExpression in
+ // context cache
+ Binary.Operator op = IsDecrement ? Binary.Operator.Subtraction : Binary.Operator.Addition;
+ operation = new Binary (op, operation, one, loc);
+ operation = operation.Resolve (ec);
+ if (operation != null && operation.Type != type)
+ operation = Convert.ExplicitNumericConversion (operation, type);
+
+ return this;
+ }
+
+ //
+ // Step 2: Perform Operator Overload location
+ //
+ string op_name;
+
+ if (IsDecrement)
+ op_name = Operator.GetMetadataName (Operator.OpType.Decrement);
+ else
+ op_name = Operator.GetMetadataName (Operator.OpType.Increment);
+
+ var mg = MethodLookup (ec.Compiler, ec.CurrentType, type, MemberKind.Operator, op_name, 0, loc);
+
+ if (mg != null) {
+ Arguments args = new Arguments (1);
+ args.Add (new Argument (expr));
+ mg = mg.OverloadResolve (ec, ref args, false, loc);
+ if (mg == null)
+ return null;
+
+ args[0].Expr = operation;
+ operation = new UserOperatorCall (mg, args, null, loc);
+ operation = Convert.ImplicitConversionRequired (ec, operation, type, loc);
+ return this;
+ }
+
+ string name = IsDecrement ?
+ Operator.GetName (Operator.OpType.Decrement) :
+ Operator.GetName (Operator.OpType.Increment);
+
+ Unary.Error_OperatorCannotBeApplied (ec, loc, name, type);
+ return null;
+ }
}
/// <summary>
}
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
probe_type_expr = ProbeType.ResolveAsTypeTerminal (ec, false);
if (probe_type_expr == null)
if (expr == null)
return null;
- if ((probe_type_expr.Type.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute) {
- Report.Error (-244, loc, "The `{0}' operator cannot be applied to an operand of a static type",
+ if (probe_type_expr.Type.IsStatic) {
+ ec.Report.Error (-244, loc, "The `{0}' operator cannot be applied to an operand of a static type",
OperatorName);
}
if (expr.Type.IsPointer || probe_type_expr.Type.IsPointer) {
- Report.Error (244, loc, "The `{0}' operator cannot be applied to an operand of pointer type",
+ ec.Report.Error (244, loc, "The `{0}' operator cannot be applied to an operand of pointer type",
OperatorName);
return null;
}
if (expr.Type == InternalType.AnonymousMethod) {
- Report.Error (837, loc, "The `{0}' operator cannot be applied to a lambda expression or anonymous method",
+ ec.Report.Error (837, loc, "The `{0}' operator cannot be applied to a lambda expression or anonymous method",
OperatorName);
return null;
}
return this;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- expr.MutateHoistedGenericType (storey);
- probe_type_expr.MutateHoistedGenericType (storey);
- }
-
protected abstract string OperatorName { get; }
protected override void CloneTo (CloneContext clonectx, Expression t)
{
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = Arguments.CreateForExpressionTree (ec, null,
expr.CreateExpressionTree (ec),
new TypeOf (probe_type_expr, loc));
- return CreateExpressionFactoryCall ("TypeIs", args);
+ return CreateExpressionFactoryCall (ec, "TypeIs", args);
}
public override void Emit (EmitContext ec)
{
- ILGenerator ig = ec.ig;
if (expr_unwrap != null) {
expr_unwrap.EmitCheck (ec);
return;
}
expr.Emit (ec);
- ig.Emit (OpCodes.Isinst, probe_type_expr.Type);
- ig.Emit (OpCodes.Ldnull);
- ig.Emit (OpCodes.Cgt_Un);
+ ec.Emit (OpCodes.Isinst, probe_type_expr.Type);
+ ec.Emit (OpCodes.Ldnull);
+ ec.Emit (OpCodes.Cgt_Un);
}
public override void EmitBranchable (EmitContext ec, Label target, bool on_true)
{
- ILGenerator ig = ec.ig;
if (expr_unwrap != null) {
expr_unwrap.EmitCheck (ec);
} else {
expr.Emit (ec);
- ig.Emit (OpCodes.Isinst, probe_type_expr.Type);
+ ec.Emit (OpCodes.Isinst, probe_type_expr.Type);
}
- ig.Emit (on_true ? OpCodes.Brtrue : OpCodes.Brfalse, target);
+ ec.Emit (on_true ? OpCodes.Brtrue : OpCodes.Brfalse, target);
}
- Expression CreateConstantResult (bool result)
+ Expression CreateConstantResult (ResolveContext ec, bool result)
{
if (result)
- Report.Warning (183, 1, loc, "The given expression is always of the provided (`{0}') type",
+ ec.Report.Warning (183, 1, loc, "The given expression is always of the provided (`{0}') type",
TypeManager.CSharpName (probe_type_expr.Type));
else
- Report.Warning (184, 1, loc, "The given expression is never of the provided (`{0}') type",
+ ec.Report.Warning (184, 1, loc, "The given expression is never of the provided (`{0}') type",
TypeManager.CSharpName (probe_type_expr.Type));
- return ReducedExpression.Create (new BoolConstant (result, loc), this);
+ return ReducedExpression.Create (new BoolConstant (result, loc).Resolve (ec), this);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (base.DoResolve (ec) == null)
return null;
- Type d = expr.Type;
+ TypeSpec d = expr.Type;
bool d_is_nullable = false;
//
// type or a nullable type and the value of E is null, the result is false
//
if (expr.IsNull || expr.eclass == ExprClass.MethodGroup)
- return CreateConstantResult (false);
+ return CreateConstantResult (ec, false);
- if (TypeManager.IsNullableType (d) && !TypeManager.ContainsGenericParameters (d)) {
- d = TypeManager.TypeToCoreType (TypeManager.GetTypeArguments (d) [0]);
- d_is_nullable = true;
+ if (TypeManager.IsNullableType (d)) {
+ var ut = Nullable.NullableInfo.GetUnderlyingType (d);
+ if (!ut.IsGenericParameter) {
+ d = ut;
+ d_is_nullable = true;
+ }
}
type = TypeManager.bool_type;
eclass = ExprClass.Value;
- Type t = probe_type_expr.Type;
+ TypeSpec t = probe_type_expr.Type;
bool t_is_nullable = false;
- if (TypeManager.IsNullableType (t) && !TypeManager.ContainsGenericParameters (t)) {
- t = TypeManager.TypeToCoreType (TypeManager.GetTypeArguments (t) [0]);
- t_is_nullable = true;
+ if (TypeManager.IsNullableType (t)) {
+ var ut = Nullable.NullableInfo.GetUnderlyingType (t);
+ if (!ut.IsGenericParameter) {
+ t = ut;
+ t_is_nullable = true;
+ }
}
if (TypeManager.IsStruct (t)) {
//
// The result is true if D and T are the same value types
//
- return CreateConstantResult (true);
+ return CreateConstantResult (ec, true);
}
- if (TypeManager.IsGenericParameter (d))
- return ResolveGenericParameter (t, d);
+ var tp = d as TypeParameterSpec;
+ if (tp != null)
+ return ResolveGenericParameter (ec, t, tp);
//
// An unboxing conversion exists
return this;
} else {
if (TypeManager.IsGenericParameter (t))
- return ResolveGenericParameter (d, t);
+ return ResolveGenericParameter (ec, d, (TypeParameterSpec) t);
if (TypeManager.IsStruct (d)) {
bool temp;
if (Convert.ImplicitBoxingConversionExists (expr, t, out temp))
- return CreateConstantResult (true);
+ return CreateConstantResult (ec, true);
} else {
if (TypeManager.IsGenericParameter (d))
- return ResolveGenericParameter (t, d);
+ return ResolveGenericParameter (ec, t, (TypeParameterSpec) d);
if (TypeManager.ContainsGenericParameters (d))
return this;
}
}
- return CreateConstantResult (false);
+ return CreateConstantResult (ec, false);
}
- Expression ResolveGenericParameter (Type d, Type t)
+ Expression ResolveGenericParameter (ResolveContext ec, TypeSpec d, TypeParameterSpec t)
{
- GenericConstraints constraints = TypeManager.GetTypeParameterConstraints (t);
- if (constraints != null) {
- if (constraints.IsReferenceType && TypeManager.IsStruct (d))
- return CreateConstantResult (false);
-
- if (constraints.IsValueType && !TypeManager.IsStruct (d))
- return CreateConstantResult (TypeManager.IsEqual (d, t));
+ if (t.IsReferenceType) {
+ if (TypeManager.IsStruct (d))
+ return CreateConstantResult (ec, false);
}
- if (TypeManager.IsGenericParameter (expr.Type))
+ if (TypeManager.IsGenericParameter (expr.Type)) {
+ if (t.IsValueType && expr.Type == t)
+ return CreateConstantResult (ec, true);
+
expr = new BoxedCast (expr, d);
+ }
return this;
}
{
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = Arguments.CreateForExpressionTree (ec, null,
expr.CreateExpressionTree (ec),
new TypeOf (probe_type_expr, loc));
- return CreateExpressionFactoryCall ("TypeAs", args);
+ return CreateExpressionFactoryCall (ec, "TypeAs", args);
}
public override void Emit (EmitContext ec)
{
- ILGenerator ig = ec.ig;
-
expr.Emit (ec);
if (do_isinst)
- ig.Emit (OpCodes.Isinst, type);
+ ec.Emit (OpCodes.Isinst, type);
-#if GMCS_SOURCE
if (TypeManager.IsGenericParameter (type) || TypeManager.IsNullableType (type))
- ig.Emit (OpCodes.Unbox_Any, type);
-#endif
+ ec.Emit (OpCodes.Unbox_Any, type);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- // Because expr is modified
- if (eclass != ExprClass.Invalid)
- return this;
-
if (resolved_type == null) {
resolved_type = base.DoResolve (ec);
type = probe_type_expr.Type;
eclass = ExprClass.Value;
- Type etype = expr.Type;
+ TypeSpec etype = expr.Type;
if (!TypeManager.IsReferenceType (type) && !TypeManager.IsNullableType (type)) {
if (TypeManager.IsGenericParameter (type)) {
- Report.Error (413, loc,
+ ec.Report.Error (413, loc,
"The `as' operator cannot be used with a non-reference type parameter `{0}'. Consider adding `class' or a reference type constraint",
probe_type_expr.GetSignatureForError ());
} else {
- Report.Error (77, loc,
+ ec.Report.Error (77, loc,
"The `as' operator cannot be used with a non-nullable value type `{0}'",
TypeManager.CSharpName (type));
}
}
if (expr.IsNull && TypeManager.IsNullableType (type)) {
- return Nullable.LiftedNull.CreateFromExpression (this);
+ return Nullable.LiftedNull.CreateFromExpression (ec, this);
}
Expression e = Convert.ImplicitConversion (ec, expr, type, loc);
return this;
}
- Report.Error (39, loc, "Cannot convert type `{0}' to `{1}' via a built-in conversion",
+ ec.Report.Error (39, loc, "Cannot convert type `{0}' to `{1}' via a built-in conversion",
TypeManager.CSharpName (etype), TypeManager.CSharpName (type));
return null;
protected override string OperatorName {
get { return "as"; }
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- base.MutateHoistedGenericType (storey);
- }
-
- public override bool GetAttributableValue (EmitContext ec, Type value_type, out object value)
- {
- return expr.GetAttributableValue (ec, value_type, out value);
- }
}
/// <summary>
/// FIXME: Cast expressions have an unusual set of parsing
/// rules, we need to figure those out.
/// </summary>
- public class Cast : Expression {
+ public class Cast : ShimExpression {
Expression target_type;
- Expression expr;
public Cast (Expression cast_type, Expression expr)
: this (cast_type, expr, cast_type.Location)
}
public Cast (Expression cast_type, Expression expr, Location loc)
+ : base (expr)
{
this.target_type = cast_type;
- this.expr = expr;
this.loc = loc;
}
get { return target_type; }
}
- public Expression Expr {
- get { return expr; }
- }
-
- public override Expression CreateExpressionTree (EmitContext ec)
- {
- throw new NotSupportedException ("ET");
- }
-
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
type = target.Type;
- if (type.IsAbstract && type.IsSealed) {
- Report.Error (716, loc, "Cannot convert to static type `{0}'", TypeManager.CSharpName (type));
+ if (type.IsStatic) {
+ ec.Report.Error (716, loc, "Cannot convert to static type `{0}'", TypeManager.CSharpName (type));
return null;
}
return c;
}
- if (type.IsPointer && !ec.InUnsafe) {
- UnsafeError (loc);
- } else if (TypeManager.IsDynamicType (expr.Type)) {
+ if (type.IsPointer && !ec.IsUnsafe) {
+ UnsafeError (ec, loc);
+ } else if (expr.Type == InternalType.Dynamic) {
Arguments arg = new Arguments (1);
arg.Add (new Argument (expr));
- return new DynamicConversion (type, true, arg, loc).Resolve (ec);
+ return new DynamicConversion (type, CSharpBinderFlags.ConvertExplicit, arg, loc).Resolve (ec);
}
expr = Convert.ExplicitConversion (ec, expr, type, loc);
return expr;
}
- public override void Emit (EmitContext ec)
- {
- throw new Exception ("Should not happen");
- }
-
protected override void CloneTo (CloneContext clonectx, Expression t)
{
Cast target = (Cast) t;
target.expr = expr.Clone (clonectx);
}
}
+
+ public class ImplicitCast : ShimExpression
+ {
+ bool arrayAccess;
+
+ public ImplicitCast (Expression expr, TypeSpec target, bool arrayAccess)
+ : base (expr)
+ {
+ this.loc = expr.Location;
+ this.type = target;
+ this.arrayAccess = arrayAccess;
+ }
+
+ protected override Expression DoResolve (ResolveContext ec)
+ {
+ expr = expr.Resolve (ec);
+ if (expr == null)
+ return null;
+
+ if (arrayAccess)
+ expr = ConvertExpressionToArrayIndex (ec, expr);
+ else
+ expr = Convert.ImplicitConversionRequired (ec, expr, type, loc);
+
+ return expr;
+ }
+ }
//
// C# 2.0 Default value expression
//
public class DefaultValueExpression : Expression
{
- sealed class DefaultValueNullLiteral : NullLiteral
- {
- public DefaultValueNullLiteral (DefaultValueExpression expr)
- : base (expr.type, expr.loc)
- {
- }
-
- public override void Error_ValueCannotBeConverted (EmitContext ec, Location loc, Type t, bool expl)
- {
- Error_ValueCannotBeConvertedCore (ec, loc, t, expl);
- }
- }
-
-
Expression expr;
public DefaultValueExpression (Expression expr, Location loc)
this.loc = loc;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (this));
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
- return CreateExpressionFactoryCall ("Constant", args);
+ return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
TypeExpr texpr = expr.ResolveAsTypeTerminal (ec, false);
if (texpr == null)
type = texpr.Type;
- if ((type.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute) {
- Report.Error (-244, loc, "The `default value' operator cannot be applied to an operand of a static type");
+ if (type.IsStatic) {
+ ec.Report.Error (-244, loc, "The `default value' operator cannot be applied to an operand of a static type");
}
if (type.IsPointer)
- return new NullLiteral (Location).ConvertImplicitly (type);
+ return new NullLiteral (Location).ConvertImplicitly (ec, type);
if (TypeManager.IsReferenceType (type))
- return new DefaultValueNullLiteral (this);
+ return new NullConstant (type, loc);
Constant c = New.Constantify (type);
if (c != null)
- return c;
+ return c.Resolve (ec);
eclass = ExprClass.Variable;
return this;
LocalTemporary temp_storage = new LocalTemporary(type);
temp_storage.AddressOf(ec, AddressOp.LoadStore);
- ec.ig.Emit(OpCodes.Initobj, type);
+ ec.Emit(OpCodes.Initobj, type);
temp_storage.Emit(ec);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- }
-
protected override void CloneTo (CloneContext clonectx, Expression t)
{
DefaultValueExpression target = (DefaultValueExpression) t;
/// </summary>
public class Binary : Expression, IDynamicBinder
{
-
protected class PredefinedOperator {
- protected readonly Type left;
- protected readonly Type right;
+ protected readonly TypeSpec left;
+ protected readonly TypeSpec right;
public readonly Operator OperatorsMask;
- public Type ReturnType;
+ public TypeSpec ReturnType;
- public PredefinedOperator (Type ltype, Type rtype, Operator op_mask)
+ public PredefinedOperator (TypeSpec ltype, TypeSpec rtype, Operator op_mask)
: this (ltype, rtype, op_mask, ltype)
{
}
- public PredefinedOperator (Type type, Operator op_mask, Type return_type)
+ public PredefinedOperator (TypeSpec type, Operator op_mask, TypeSpec return_type)
: this (type, type, op_mask, return_type)
{
}
- public PredefinedOperator (Type type, Operator op_mask)
+ public PredefinedOperator (TypeSpec type, Operator op_mask)
: this (type, type, op_mask, type)
{
}
- public PredefinedOperator (Type ltype, Type rtype, Operator op_mask, Type return_type)
+ public PredefinedOperator (TypeSpec ltype, TypeSpec rtype, Operator op_mask, TypeSpec return_type)
{
if ((op_mask & Operator.ValuesOnlyMask) != 0)
throw new InternalErrorException ("Only masked values can be used");
this.ReturnType = return_type;
}
- public virtual Expression ConvertResult (EmitContext ec, Binary b)
+ public virtual Expression ConvertResult (ResolveContext ec, Binary b)
{
b.type = ReturnType;
if (left == TypeManager.decimal_type)
return b.ResolveUserOperator (ec, b.left.Type, b.right.Type);
+ var c = b.right as Constant;
+ if (c != null) {
+ if (c.IsDefaultValue && (b.oper == Operator.Addition || b.oper == Operator.BitwiseOr || b.oper == Operator.Subtraction))
+ return ReducedExpression.Create (b.left, b).Resolve (ec);
+ if ((b.oper == Operator.Multiply || b.oper == Operator.Division) && c.IsOneInteger)
+ return ReducedExpression.Create (b.left, b).Resolve (ec);
+ return b;
+ }
+
+ c = b.left as Constant;
+ if (c != null) {
+ if (c.IsDefaultValue && (b.oper == Operator.Addition || b.oper == Operator.BitwiseOr))
+ return ReducedExpression.Create (b.right, b).Resolve (ec);
+ if (b.oper == Operator.Multiply && c.IsOneInteger)
+ return ReducedExpression.Create (b.right, b).Resolve (ec);
+ return b;
+ }
+
return b;
}
- public bool IsPrimitiveApplicable (Type ltype, Type rtype)
+ public bool IsPrimitiveApplicable (TypeSpec ltype, TypeSpec rtype)
{
//
// We are dealing with primitive types only
return left == ltype && ltype == rtype;
}
- public virtual bool IsApplicable (EmitContext ec, Expression lexpr, Expression rexpr)
+ public virtual bool IsApplicable (ResolveContext ec, Expression lexpr, Expression rexpr)
{
if (TypeManager.IsEqual (left, lexpr.Type) &&
TypeManager.IsEqual (right, rexpr.Type))
Convert.ImplicitConversionExists (ec, rexpr, right);
}
- public PredefinedOperator ResolveBetterOperator (EmitContext ec, PredefinedOperator best_operator)
+ public PredefinedOperator ResolveBetterOperator (ResolveContext ec, PredefinedOperator best_operator)
{
int result = 0;
if (left != null && best_operator.left != null) {
}
class PredefinedStringOperator : PredefinedOperator {
- public PredefinedStringOperator (Type type, Operator op_mask)
+ public PredefinedStringOperator (TypeSpec type, Operator op_mask)
: base (type, op_mask, type)
{
ReturnType = TypeManager.string_type;
}
- public PredefinedStringOperator (Type ltype, Type rtype, Operator op_mask)
+ public PredefinedStringOperator (TypeSpec ltype, TypeSpec rtype, Operator op_mask)
: base (ltype, rtype, op_mask)
{
ReturnType = TypeManager.string_type;
}
- public override Expression ConvertResult (EmitContext ec, Binary b)
+ public override Expression ConvertResult (ResolveContext ec, Binary b)
{
//
// Use original expression for nullable arguments
//
// Start a new concat expression using converted expression
//
- return new StringConcat (b.loc, b.left, b.right).Resolve (ec);
+ return StringConcat.Create (ec, b.left, b.right, b.loc);
}
}
class PredefinedShiftOperator : PredefinedOperator {
- public PredefinedShiftOperator (Type ltype, Operator op_mask) :
+ public PredefinedShiftOperator (TypeSpec ltype, Operator op_mask) :
base (ltype, TypeManager.int32_type, op_mask)
{
}
- public override Expression ConvertResult (EmitContext ec, Binary b)
+ public override Expression ConvertResult (ResolveContext ec, Binary b)
{
b.left = Convert.ImplicitConversion (ec, b.left, left, b.left.Location);
- Expression expr_tree_expr = EmptyCast.Create (b.right, TypeManager.int32_type);
+ Expression expr_tree_expr = Convert.ImplicitConversion (ec, b.right, TypeManager.int32_type, b.right.Location);
int right_mask = left == TypeManager.int32_type || left == TypeManager.uint32_type ? 0x1f : 0x3f;
// b = b.left >> b.right & (0x1f|0x3f)
//
b.right = new Binary (Operator.BitwiseAnd,
- b.right, new IntConstant (right_mask, b.right.Location)).Resolve (ec);
+ b.right, new IntConstant (right_mask, b.right.Location), b.loc).Resolve (ec);
//
// Expression tree representation does not use & mask
//
b.right = ReducedExpression.Create (b.right, expr_tree_expr).Resolve (ec);
b.type = ReturnType;
+
+ //
+ // Optimize shift by 0
+ //
+ var c = b.right as Constant;
+ if (c != null && c.IsDefaultValue)
+ return ReducedExpression.Create (b.left, b).Resolve (ec);
+
return b;
}
}
class PredefinedPointerOperator : PredefinedOperator {
- public PredefinedPointerOperator (Type ltype, Type rtype, Operator op_mask)
+ public PredefinedPointerOperator (TypeSpec ltype, TypeSpec rtype, Operator op_mask)
: base (ltype, rtype, op_mask)
{
}
- public PredefinedPointerOperator (Type ltype, Type rtype, Operator op_mask, Type retType)
+ public PredefinedPointerOperator (TypeSpec ltype, TypeSpec rtype, Operator op_mask, TypeSpec retType)
: base (ltype, rtype, op_mask, retType)
{
}
- public PredefinedPointerOperator (Type type, Operator op_mask, Type return_type)
+ public PredefinedPointerOperator (TypeSpec type, Operator op_mask, TypeSpec return_type)
: base (type, op_mask, return_type)
{
}
- public override bool IsApplicable (EmitContext ec, Expression lexpr, Expression rexpr)
+ public override bool IsApplicable (ResolveContext ec, Expression lexpr, Expression rexpr)
{
if (left == null) {
if (!lexpr.Type.IsPointer)
return true;
}
- public override Expression ConvertResult (EmitContext ec, Binary b)
+ public override Expression ConvertResult (ResolveContext ec, Binary b)
{
if (left != null) {
b.left = EmptyCast.Create (b.left, left);
b.right = EmptyCast.Create (b.right, right);
}
- Type r_type = ReturnType;
+ TypeSpec r_type = ReturnType;
Expression left_arg, right_arg;
if (r_type == null) {
if (left == null) {
readonly bool is_compound;
Expression enum_conversion;
- static PredefinedOperator [] standard_operators;
- static PredefinedOperator [] pointer_operators;
+ static PredefinedOperator[] standard_operators;
+ static PredefinedOperator[] pointer_operators;
- public Binary (Operator oper, Expression left, Expression right, bool isCompound)
- : this (oper, left, right)
+ public Binary (Operator oper, Expression left, Expression right, bool isCompound, Location loc)
+ : this (oper, left, right, loc)
{
this.is_compound = isCompound;
}
- public Binary (Operator oper, Expression left, Expression right)
+ public Binary (Operator oper, Expression left, Expression right, Location loc)
{
this.oper = oper;
this.left = left;
this.right = right;
- this.loc = left.Location;
+ this.loc = loc;
}
public Operator Oper {
return s;
}
- public static void Error_OperatorCannotBeApplied (Expression left, Expression right, Operator oper, Location loc)
+ public static void Error_OperatorCannotBeApplied (ResolveContext ec, Expression left, Expression right, Operator oper, Location loc)
{
- new Binary (oper, left, right).Error_OperatorCannotBeApplied (left, right);
+ new Binary (oper, left, right, loc).Error_OperatorCannotBeApplied (ec, left, right);
}
- public static void Error_OperatorCannotBeApplied (Expression left, Expression right, string oper, Location loc)
+ public static void Error_OperatorCannotBeApplied (ResolveContext ec, Expression left, Expression right, string oper, Location loc)
{
string l, r;
l = TypeManager.CSharpName (left.Type);
r = TypeManager.CSharpName (right.Type);
- Report.Error (19, loc, "Operator `{0}' cannot be applied to operands of type `{1}' and `{2}'",
+ ec.Report.Error (19, loc, "Operator `{0}' cannot be applied to operands of type `{1}' and `{2}'",
oper, l, r);
}
- protected void Error_OperatorCannotBeApplied (Expression left, Expression right)
+ protected void Error_OperatorCannotBeApplied (ResolveContext ec, Expression left, Expression right)
{
- Error_OperatorCannotBeApplied (left, right, OperName (oper), loc);
+ Error_OperatorCannotBeApplied (ec, left, right, OperName (oper), loc);
}
//
return CSharp.Operator.GetMetadataName (op_type);
}
- public static void EmitOperatorOpcode (EmitContext ec, Operator oper, Type l)
+ public static void EmitOperatorOpcode (EmitContext ec, Operator oper, TypeSpec l)
{
OpCode opcode;
- ILGenerator ig = ec.ig;
switch (oper){
case Operator.Multiply:
- if (ec.HasSet (EmitContext.Options.CheckedScope)){
+ if (ec.HasSet (EmitContext.Options.CheckedScope)) {
if (l == TypeManager.int32_type || l == TypeManager.int64_type)
opcode = OpCodes.Mul_Ovf;
else if (!IsFloat (l))
break;
case Operator.Addition:
- if (ec.HasSet (EmitContext.Options.CheckedScope)){
+ if (ec.HasSet (EmitContext.Options.CheckedScope)) {
if (l == TypeManager.int32_type || l == TypeManager.int64_type)
opcode = OpCodes.Add_Ovf;
else if (!IsFloat (l))
break;
case Operator.Subtraction:
- if (ec.HasSet (EmitContext.Options.CheckedScope)){
+ if (ec.HasSet (EmitContext.Options.CheckedScope)) {
if (l == TypeManager.int32_type || l == TypeManager.int64_type)
opcode = OpCodes.Sub_Ovf;
else if (!IsFloat (l))
break;
case Operator.Inequality:
- ig.Emit (OpCodes.Ceq);
- ig.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Ceq);
+ ec.Emit (OpCodes.Ldc_I4_0);
opcode = OpCodes.Ceq;
break;
case Operator.LessThanOrEqual:
if (IsUnsigned (l) || IsFloat (l))
- ig.Emit (OpCodes.Cgt_Un);
+ ec.Emit (OpCodes.Cgt_Un);
else
- ig.Emit (OpCodes.Cgt);
- ig.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Cgt);
+ ec.Emit (OpCodes.Ldc_I4_0);
opcode = OpCodes.Ceq;
break;
case Operator.GreaterThanOrEqual:
if (IsUnsigned (l) || IsFloat (l))
- ig.Emit (OpCodes.Clt_Un);
+ ec.Emit (OpCodes.Clt_Un);
else
- ig.Emit (OpCodes.Clt);
+ ec.Emit (OpCodes.Clt);
- ig.Emit (OpCodes.Ldc_I4_0);
+ ec.Emit (OpCodes.Ldc_I4_0);
opcode = OpCodes.Ceq;
break;
throw new InternalErrorException (oper.ToString ());
}
- ig.Emit (opcode);
+ ec.Emit (opcode);
}
- static bool IsUnsigned (Type t)
+ static bool IsUnsigned (TypeSpec t)
{
if (t.IsPointer)
return true;
t == TypeManager.ushort_type || t == TypeManager.byte_type);
}
- static bool IsFloat (Type t)
+ static bool IsFloat (TypeSpec t)
{
return t == TypeManager.float_type || t == TypeManager.double_type;
}
- Expression ResolveOperator (EmitContext ec)
+ public static void Reset ()
+ {
+ pointer_operators = standard_operators = null;
+ }
+
+ Expression ResolveOperator (ResolveContext ec)
{
- Type l = left.Type;
- Type r = right.Type;
+ TypeSpec l = left.Type;
+ TypeSpec r = right.Type;
Expression expr;
bool primitives_only = false;
// at least one of 'left' or 'right' is an enumeration constant (EnumConstant or SideEffectConstant or ...)
// if 'left' is not an enumeration constant, create one from the type of 'right'
- Constant EnumLiftUp (EmitContext ec, Constant left, Constant right, Location loc)
+ Constant EnumLiftUp (ResolveContext ec, Constant left, Constant right, Location loc)
{
switch (oper) {
case Operator.BitwiseOr:
break;
return left;
}
- Error_OperatorCannotBeApplied (this.left, this.right);
+ Error_OperatorCannotBeApplied (ec, this.left, this.right);
return null;
}
//
// The `|' operator used on types which were extended is dangerous
//
- void CheckBitwiseOrOnSignExtended ()
+ void CheckBitwiseOrOnSignExtended (ResolveContext ec)
{
OpcodeCast lcast = left as OpcodeCast;
if (lcast != null) {
// FIXME: consider constants
- Report.Warning (675, 3, loc,
+ ec.Report.Warning (675, 3, loc,
"The operator `|' used on the sign-extended type `{0}'. Consider casting to a smaller unsigned type first",
TypeManager.CSharpName (lcast != null ? lcast.UnderlyingType : rcast.UnderlyingType));
}
static void CreatePointerOperatorsTable ()
{
- ArrayList temp = new ArrayList ();
+ var temp = new List<PredefinedPointerOperator> ();
//
// Pointer arithmetic:
//
temp.Add (new PredefinedPointerOperator (null, Operator.SubtractionMask, TypeManager.int64_type));
- pointer_operators = (PredefinedOperator []) temp.ToArray (typeof (PredefinedOperator));
+ pointer_operators = temp.ToArray ();
}
static void CreateStandardOperatorsTable ()
{
- ArrayList temp = new ArrayList ();
- Type bool_type = TypeManager.bool_type;
+ var temp = new List<PredefinedOperator> ();
+ TypeSpec bool_type = TypeManager.bool_type;
temp.Add (new PredefinedOperator (TypeManager.int32_type, Operator.ArithmeticMask | Operator.BitwiseMask));
temp.Add (new PredefinedOperator (TypeManager.uint32_type, Operator.ArithmeticMask | Operator.BitwiseMask));
temp.Add (new PredefinedShiftOperator (TypeManager.int64_type, Operator.ShiftMask));
temp.Add (new PredefinedShiftOperator (TypeManager.uint64_type, Operator.ShiftMask));
- standard_operators = (PredefinedOperator []) temp.ToArray (typeof (PredefinedOperator));
+ standard_operators = temp.ToArray ();
}
//
// Rules used during binary numeric promotion
//
- static bool DoNumericPromotion (ref Expression prim_expr, ref Expression second_expr, Type type)
+ static bool DoNumericPromotion (ResolveContext rc, ref Expression prim_expr, ref Expression second_expr, TypeSpec type)
{
Expression temp;
- Type etype;
+ TypeSpec etype;
Constant c = prim_expr as Constant;
if (c != null) {
- temp = c.ConvertImplicitly (type);
+ temp = c.ConvertImplicitly (rc, type);
if (temp != null) {
prim_expr = temp;
return true;
if (type != second_expr.Type) {
c = second_expr as Constant;
if (c != null)
- temp = c.ConvertImplicitly (type);
+ temp = c.ConvertImplicitly (rc, type);
else
temp = Convert.ImplicitNumericConversion (second_expr, type);
if (temp == null)
// A compile-time error occurs if the other operand is of type sbyte, short, int, or long
//
if (type == TypeManager.int32_type || type == TypeManager.int64_type ||
- type == TypeManager.sbyte_type || type == TypeManager.sbyte_type)
+ type == TypeManager.short_type || type == TypeManager.sbyte_type)
return false;
}
//
// 7.2.6.2 Binary numeric promotions
//
- public bool DoBinaryOperatorPromotion (EmitContext ec)
+ public bool DoBinaryOperatorPromotion (ResolveContext ec)
{
- Type ltype = left.Type;
- Type rtype = right.Type;
+ TypeSpec ltype = left.Type;
+ TypeSpec rtype = right.Type;
Expression temp;
- foreach (Type t in ConstantFold.binary_promotions) {
+ foreach (TypeSpec t in ConstantFold.BinaryPromotionsTypes) {
if (t == ltype)
- return t == rtype || DoNumericPromotion (ref right, ref left, t);
+ return t == rtype || DoNumericPromotion (ec, ref right, ref left, t);
if (t == rtype)
- return t == ltype || DoNumericPromotion (ref left, ref right, t);
+ return t == ltype || DoNumericPromotion (ec, ref left, ref right, t);
}
- Type int32 = TypeManager.int32_type;
+ TypeSpec int32 = TypeManager.int32_type;
if (ltype != int32) {
Constant c = left as Constant;
if (c != null)
- temp = c.ConvertImplicitly (int32);
+ temp = c.ConvertImplicitly (ec, int32);
else
temp = Convert.ImplicitNumericConversion (left, int32);
if (rtype != int32) {
Constant c = right as Constant;
if (c != null)
- temp = c.ConvertImplicitly (int32);
+ temp = c.ConvertImplicitly (ec, int32);
else
temp = Convert.ImplicitNumericConversion (right, int32);
return true;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (left == null)
return null;
return null;
if (left.eclass == ExprClass.Type) {
- Report.Error (75, loc, "To cast a negative value, you must enclose the value in parentheses");
+ ec.Report.Error (75, loc, "To cast a negative value, you must enclose the value in parentheses");
return null;
}
} else
// FIXME: resolve right expression as unreachable
// right.Resolve (ec);
- Report.Warning (429, 4, loc, "Unreachable expression code detected");
+ ec.Report.Warning (429, 4, loc, "Unreachable expression code detected");
return left;
}
Constant rc = right as Constant;
// The conversion rules are ignored in enum context but why
- if (!ec.HasSet (EmitContext.Options.EnumScope) && lc != null && rc != null && (TypeManager.IsEnumType (left.Type) || TypeManager.IsEnumType (right.Type))) {
+ if (!ec.HasSet (ResolveContext.Options.EnumScope) && lc != null && rc != null && (TypeManager.IsEnumType (left.Type) || TypeManager.IsEnumType (right.Type))) {
lc = EnumLiftUp (ec, lc, rc, loc);
if (lc != null)
rc = EnumLiftUp (ec, rc, lc, loc);
}
if (rc != null && lc != null) {
- int prev_e = Report.Errors;
- Expression e = ConstantFold.BinaryFold (
- ec, oper, lc, rc, loc);
- if (e != null || Report.Errors != prev_e)
- return e;
- } else if ((oper == Operator.BitwiseAnd || oper == Operator.LogicalAnd) && !TypeManager.IsDynamicType (left.Type) &&
- ((lc != null && lc.IsDefaultValue) || (rc != null && rc.IsDefaultValue))) {
-
- if ((ResolveOperator (ec)) == null) {
- Error_OperatorCannotBeApplied (left, right);
- return null;
- }
-
- //
- // The result is a constant with side-effect
- //
- Constant side_effect = rc == null ?
- new SideEffectConstant (lc, right, loc) :
- new SideEffectConstant (rc, left, loc);
+ int prev_e = ec.Report.Errors;
+ Expression e = ConstantFold.BinaryFold (ec, oper, lc, rc, loc);
+ if (e != null)
+ e = e.Resolve (ec);
- return ReducedExpression.Create (side_effect, this);
+ if (e != null || ec.Report.Errors != prev_e)
+ return e;
}
// Comparison warnings
if ((oper & Operator.ComparisonMask) != 0) {
if (left.Equals (right)) {
- Report.Warning (1718, 3, loc, "A comparison made to same variable. Did you mean to compare something else?");
+ ec.Report.Warning (1718, 3, loc, "A comparison made to same variable. Did you mean to compare something else?");
}
- CheckUselessComparison (lc, right.Type);
- CheckUselessComparison (rc, left.Type);
+ CheckUselessComparison (ec, lc, right.Type);
+ CheckUselessComparison (ec, rc, left.Type);
}
- if (TypeManager.IsDynamicType (left.Type) || TypeManager.IsDynamicType (right.Type)) {
+ if (left.Type == InternalType.Dynamic || right.Type == InternalType.Dynamic) {
Arguments args = new Arguments (2);
args.Add (new Argument (left));
args.Add (new Argument (right));
return DoResolveCore (ec, left, right);
}
- protected Expression DoResolveCore (EmitContext ec, Expression left_orig, Expression right_orig)
+ protected Expression DoResolveCore (ResolveContext ec, Expression left_orig, Expression right_orig)
{
Expression expr = ResolveOperator (ec);
if (expr == null)
- Error_OperatorCannotBeApplied (left_orig, right_orig);
+ Error_OperatorCannotBeApplied (ec, left_orig, right_orig);
if (left == null || right == null)
throw new InternalErrorException ("Invalid conversion");
if (oper == Operator.BitwiseOr)
- CheckBitwiseOrOnSignExtended ();
+ CheckBitwiseOrOnSignExtended (ec);
return expr;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- left.MutateHoistedGenericType (storey);
- right.MutateHoistedGenericType (storey);
+ var le = left.MakeExpression (ctx);
+ var re = right.MakeExpression (ctx);
+ bool is_checked = ctx.HasSet (BuilderContext.Options.CheckedScope);
+
+ switch (oper) {
+ case Operator.Addition:
+ return is_checked ? SLE.Expression.AddChecked (le, re) : SLE.Expression.Add (le, re);
+ case Operator.BitwiseAnd:
+ return SLE.Expression.And (le, re);
+ case Operator.BitwiseOr:
+ return SLE.Expression.Or (le, re);
+ case Operator.Division:
+ return SLE.Expression.Divide (le, re);
+ case Operator.Equality:
+ return SLE.Expression.Equal (le, re);
+ case Operator.ExclusiveOr:
+ return SLE.Expression.ExclusiveOr (le, re);
+ case Operator.GreaterThan:
+ return SLE.Expression.GreaterThan (le, re);
+ case Operator.GreaterThanOrEqual:
+ return SLE.Expression.GreaterThanOrEqual (le, re);
+ case Operator.Inequality:
+ return SLE.Expression.NotEqual (le, re);
+ case Operator.LeftShift:
+ return SLE.Expression.LeftShift (le, re);
+ case Operator.LessThan:
+ return SLE.Expression.LessThan (le, re);
+ case Operator.LessThanOrEqual:
+ return SLE.Expression.LessThanOrEqual (le, re);
+ case Operator.LogicalAnd:
+ return SLE.Expression.AndAlso (le, re);
+ case Operator.LogicalOr:
+ return SLE.Expression.OrElse (le, re);
+ case Operator.Modulus:
+ return SLE.Expression.Modulo (le, re);
+ case Operator.Multiply:
+ return is_checked ? SLE.Expression.MultiplyChecked (le, re) : SLE.Expression.Multiply (le, re);
+ case Operator.RightShift:
+ return SLE.Expression.RightShift (le, re);
+ case Operator.Subtraction:
+ return is_checked ? SLE.Expression.SubtractChecked (le, re) : SLE.Expression.Subtract (le, re);
+ default:
+ throw new NotImplementedException (oper.ToString ());
+ }
}
//
// bool operator == (D x, D y)
// bool operator != (D x, D y)
//
- Expression ResolveOperatorDelegate (EmitContext ec, Type l, Type r)
+ Expression ResolveOperatorDelegate (ResolveContext ec, TypeSpec l, TypeSpec r)
{
bool is_equality = (oper & Operator.EqualityMask) != 0;
- if (!TypeManager.IsEqual (l, r) && !TypeManager.IsVariantOf (r, l)) {
+ if (!TypeManager.IsEqual (l, r) && !TypeSpecComparer.Variant.IsEqual (r, l)) {
Expression tmp;
if (right.eclass == ExprClass.MethodGroup || (r == InternalType.AnonymousMethod && !is_equality)) {
tmp = Convert.ImplicitConversionRequired (ec, right, l, loc);
if (is_equality)
return ResolveUserOperator (ec, l, r);
- MethodInfo method;
+ MethodSpec method;
Arguments args = new Arguments (2);
args.Add (new Argument (left));
args.Add (new Argument (right));
method = TypeManager.delegate_remove_delegate_delegate;
}
- MethodGroupExpr mg = new MethodGroupExpr (new MemberInfo [] { method }, TypeManager.delegate_type, loc);
+ if (method == null)
+ return new EmptyExpression (TypeManager.decimal_type);
+
+ MethodGroupExpr mg = new MethodGroupExpr (method, TypeManager.delegate_type, loc);
mg = mg.OverloadResolve (ec, ref args, false, loc);
return new ClassCast (new UserOperatorCall (mg, args, CreateExpressionTree, loc), l);
//
// Enumeration operators
//
- Expression ResolveOperatorEnum (EmitContext ec, bool lenum, bool renum, Type ltype, Type rtype)
+ Expression ResolveOperatorEnum (ResolveContext ec, bool lenum, bool renum, TypeSpec ltype, TypeSpec rtype)
{
//
// bool operator == (E x, E y);
// E operator + (E e, U x)
//
if (!((oper & (Operator.ComparisonMask | Operator.BitwiseMask)) != 0 ||
- (oper == Operator.Subtraction && lenum) || (oper == Operator.Addition && lenum != renum)))
+ (oper == Operator.Subtraction && lenum) ||
+ (oper == Operator.Addition && (lenum != renum || type != null)))) // type != null for lifted null
return null;
Expression ltemp = left;
Expression rtemp = right;
- Type underlying_type;
+ TypeSpec underlying_type;
Expression expr;
- if ((oper & Operator.ComparisonMask | Operator.BitwiseMask) != 0) {
+ if ((oper & (Operator.ComparisonMask | Operator.BitwiseMask)) != 0) {
if (renum) {
expr = Convert.ImplicitConversion (ec, left, rtype, loc);
if (expr != null) {
}
if (TypeManager.IsEqual (ltype, rtype)) {
- underlying_type = TypeManager.GetEnumUnderlyingType (ltype);
+ underlying_type = EnumSpec.GetUnderlyingType (ltype);
if (left is Constant)
- left = ((Constant) left).ConvertExplicitly (false, underlying_type);
+ left = ((Constant) left).ConvertExplicitly (false, underlying_type).Resolve (ec);
else
left = EmptyCast.Create (left, underlying_type);
if (right is Constant)
- right = ((Constant) right).ConvertExplicitly (false, underlying_type);
+ right = ((Constant) right).ConvertExplicitly (false, underlying_type).Resolve (ec);
else
right = EmptyCast.Create (right, underlying_type);
} else if (lenum) {
- underlying_type = TypeManager.GetEnumUnderlyingType (ltype);
+ underlying_type = EnumSpec.GetUnderlyingType (ltype);
if (oper != Operator.Subtraction && oper != Operator.Addition) {
Constant c = right as Constant;
}
if (left is Constant)
- left = ((Constant) left).ConvertExplicitly (false, underlying_type);
+ left = ((Constant) left).ConvertExplicitly (false, underlying_type).Resolve (ec);
else
left = EmptyCast.Create (left, underlying_type);
} else if (renum) {
- underlying_type = TypeManager.GetEnumUnderlyingType (rtype);
+ underlying_type = EnumSpec.GetUnderlyingType (rtype);
if (oper != Operator.Addition) {
Constant c = left as Constant;
}
if (right is Constant)
- right = ((Constant) right).ConvertExplicitly (false, underlying_type);
+ right = ((Constant) right).ConvertExplicitly (false, underlying_type).Resolve (ec);
else
right = EmptyCast.Create (right, underlying_type);
return null;
}
- Type res_type = null;
+ TypeSpec res_type = null;
if ((oper & Operator.BitwiseMask) != 0 || oper == Operator.Subtraction || oper == Operator.Addition) {
- Type promoted_type = lenum ? left.Type : right.Type;
+ TypeSpec promoted_type = lenum ? left.Type : right.Type;
enum_conversion = Convert.ExplicitNumericConversion (
new EmptyExpression (promoted_type), underlying_type);
return expr;
//
- // TODO: Need to corectly implemented Coumpound Assigment for all operators
// Section: 7.16.2
//
- if (Convert.ImplicitConversionExists (ec, left, rtype))
+
+ //
+ // If the return type of the selected operator is implicitly convertible to the type of x
+ //
+ if (Convert.ImplicitConversionExists (ec, expr, ltype))
return expr;
- if (!Convert.ImplicitConversionExists (ec, ltemp, rtype))
+ //
+ // Otherwise, if the selected operator is a predefined operator, if the return type of the
+ // selected operator is explicitly convertible to the type of x, and if y is implicitly
+ // convertible to the type of x or the operator is a shift operator, then the operation
+ // is evaluated as x = (T)(x op y), where T is the type of x
+ //
+ expr = Convert.ExplicitConversion (ec, expr, ltype, loc);
+ if (expr == null)
return null;
- expr = Convert.ExplicitConversion (ec, expr, rtype, loc);
- return expr;
+ if (Convert.ImplicitConversionExists (ec, ltemp, ltype))
+ return expr;
+
+ return null;
}
//
// 7.9.6 Reference type equality operators
//
- Binary ResolveOperatorEqualityRerefence (EmitContext ec, Type l, Type r)
+ Binary ResolveOperatorEqualityRerefence (ResolveContext ec, TypeSpec l, TypeSpec r)
{
//
// operator != (object a, object b)
return null;
type = TypeManager.bool_type;
- GenericConstraints constraints;
- bool lgen = TypeManager.IsGenericParameter (l);
+ var lgen = l as TypeParameterSpec;
+
+ if (l == r) {
+ if (l is InternalType)
+ return null;
- if (TypeManager.IsEqual (l, r)) {
- if (lgen) {
+ if (lgen != null) {
//
// Only allow to compare same reference type parameter
//
return null;
}
- if (l == InternalType.AnonymousMethod)
- return null;
-
if (TypeManager.IsValueType (l))
return null;
return this;
}
- bool rgen = TypeManager.IsGenericParameter (r);
+ var rgen = r as TypeParameterSpec;
//
// a, Both operands are reference-type values or the value null
// value type constrain
//
if (left is NullLiteral || right is NullLiteral) {
- if (lgen) {
- constraints = TypeManager.GetTypeParameterConstraints (l);
- if (constraints != null && constraints.HasValueTypeConstraint)
+ if (lgen != null) {
+ if (lgen.HasSpecialStruct)
return null;
left = new BoxedCast (left, TypeManager.object_type);
return this;
}
- if (rgen) {
- constraints = TypeManager.GetTypeParameterConstraints (r);
- if (constraints != null && constraints.HasValueTypeConstraint)
+ if (rgen != null) {
+ if (rgen.HasSpecialStruct)
return null;
right = new BoxedCast (right, TypeManager.object_type);
// standard conversion is applied. It's not clear from the
// standard but it looks like it works like that.
//
- if (lgen) {
+ if (lgen != null) {
if (!TypeManager.IsReferenceType (l))
return null;
- left = new BoxedCast (left, TypeManager.object_type);
+
+ l = TypeManager.object_type;
+ left = new BoxedCast (left, l);
} else if (l.IsInterface) {
l = TypeManager.object_type;
} else if (TypeManager.IsStruct (l)) {
return null;
}
- if (rgen) {
+ if (rgen != null) {
if (!TypeManager.IsReferenceType (r))
return null;
- right = new BoxedCast (right, TypeManager.object_type);
+
+ r = TypeManager.object_type;
+ right = new BoxedCast (right, r);
} else if (r.IsInterface) {
r = TypeManager.object_type;
} else if (TypeManager.IsStruct (r)) {
//
if (Convert.ImplicitReferenceConversionExists (left, r)) {
if (l == TypeManager.string_type)
- Report.Warning (253, 2, loc, ref_comparison, "right");
+ ec.Report.Warning (253, 2, loc, ref_comparison, "right");
return this;
}
if (Convert.ImplicitReferenceConversionExists (right, l)) {
if (r == TypeManager.string_type)
- Report.Warning (252, 2, loc, ref_comparison, "left");
+ ec.Report.Warning (252, 2, loc, ref_comparison, "left");
return this;
}
}
- Expression ResolveOperatorPointer (EmitContext ec, Type l, Type r)
+ Expression ResolveOperatorPointer (ResolveContext ec, TypeSpec l, TypeSpec r)
{
//
// bool operator == (void* x, void* y);
//
// Build-in operators method overloading
//
- protected virtual Expression ResolveOperatorPredefined (EmitContext ec, PredefinedOperator [] operators, bool primitives_only, Type enum_type)
+ protected virtual Expression ResolveOperatorPredefined (ResolveContext ec, PredefinedOperator [] operators, bool primitives_only, TypeSpec enum_type)
{
PredefinedOperator best_operator = null;
- Type l = left.Type;
- Type r = right.Type;
+ TypeSpec l = left.Type;
+ TypeSpec r = right.Type;
Operator oper_mask = oper & ~Operator.ValuesOnlyMask;
foreach (PredefinedOperator po in operators) {
best_operator = po.ResolveBetterOperator (ec, best_operator);
if (best_operator == null) {
- Report.Error (34, loc, "Operator `{0}' is ambiguous on operands of type `{1}' and `{2}'",
- OperName (oper), left.GetSignatureForError (), right.GetSignatureForError ());
+ ec.Report.Error (34, loc, "Operator `{0}' is ambiguous on operands of type `{1}' and `{2}'",
+ OperName (oper), TypeManager.CSharpName (l), TypeManager.CSharpName (r));
best_operator = po;
break;
return null;
Expression expr = best_operator.ConvertResult (ec, this);
+
+ //
+ // Optimize &/&& constant expressions with 0 value
+ //
+ if (oper == Operator.BitwiseAnd || oper == Operator.LogicalAnd) {
+ Constant rc = right as Constant;
+ Constant lc = left as Constant;
+ if ((lc != null && lc.IsDefaultValue) || (rc != null && rc.IsDefaultValue)) {
+ //
+ // The result is a constant with side-effect
+ //
+ Constant side_effect = rc == null ?
+ new SideEffectConstant (lc, right, loc) :
+ new SideEffectConstant (rc, left, loc);
+
+ return ReducedExpression.Create (side_effect.Resolve (ec), expr);
+ }
+ }
+
if (enum_type == null)
return expr;
//
// Performs user-operator overloading
//
- protected virtual Expression ResolveUserOperator (EmitContext ec, Type l, Type r)
+ protected virtual Expression ResolveUserOperator (ResolveContext ec, TypeSpec l, TypeSpec r)
{
Operator user_oper;
if (oper == Operator.LogicalAnd)
string op = GetOperatorMetadataName (user_oper);
- MethodGroupExpr left_operators = MemberLookup (ec.CurrentType, l, op, MemberTypes.Method, AllBindingFlags, loc) as MethodGroupExpr;
+ MethodGroupExpr left_operators = MethodLookup (ec.Compiler, ec.CurrentType, l, MemberKind.Operator, op, 0, loc);
MethodGroupExpr right_operators = null;
if (!TypeManager.IsEqual (r, l)) {
- right_operators = MemberLookup (ec.CurrentType, r, op, MemberTypes.Method, AllBindingFlags, loc) as MethodGroupExpr;
+ right_operators = MethodLookup (ec.Compiler, ec.CurrentType, r, MemberKind.Operator, op, 0, loc);
if (right_operators == null && left_operators == null)
return null;
} else if (left_operators == null) {
(right is NullLiteral && IsBuildInEqualityOperator (l))) {
type = TypeManager.bool_type;
if (left is NullLiteral || right is NullLiteral)
- oper_expr = ReducedExpression.Create (this, oper_expr).Resolve (ec);
+ oper_expr = ReducedExpression.Create (this, oper_expr);
} else if (l != r) {
- MethodInfo mi = (MethodInfo) union;
+ var mi = union.BestCandidate;
//
// Two System.Delegate(s) are never equal
return oper_expr;
}
- public override TypeExpr ResolveAsTypeTerminal (IResolveContext ec, bool silent)
+ public override TypeExpr ResolveAsTypeTerminal (IMemberContext ec, bool silent)
{
return null;
}
- private void CheckUselessComparison (Constant c, Type type)
+ private void CheckUselessComparison (ResolveContext ec, Constant c, TypeSpec type)
{
if (c == null || !IsTypeIntegral (type)
|| c is StringConstant
type == TypeManager.uint32_type ||
type == TypeManager.int64_type ||
type == TypeManager.char_type)
- WarnUselessComparison (type);
+ WarnUselessComparison (ec, type);
return;
}
value = (long) uvalue;
return;
if (IsValueOutOfRange (value, type))
- WarnUselessComparison (type);
+ WarnUselessComparison (ec, type);
}
- static bool IsValueOutOfRange (long value, Type type)
+ static bool IsValueOutOfRange (long value, TypeSpec type)
{
if (IsTypeUnsigned (type) && value < 0)
return true;
type == TypeManager.uint32_type && value >= 0x100000000;
}
- static bool IsBuildInEqualityOperator (Type t)
+ static bool IsBuildInEqualityOperator (TypeSpec t)
{
return t == TypeManager.object_type || t == TypeManager.string_type ||
t == TypeManager.delegate_type || TypeManager.IsDelegateType (t);
}
- static bool IsPredefinedUserOperator (Type t, Operator op)
+ static bool IsPredefinedUserOperator (TypeSpec t, Operator op)
{
//
// Some predefined types have user operators
return (op & Operator.EqualityMask) != 0 && (t == TypeManager.string_type || t == TypeManager.decimal_type);
}
- private static bool IsTypeIntegral (Type type)
+ private static bool IsTypeIntegral (TypeSpec type)
{
return type == TypeManager.uint64_type ||
type == TypeManager.int64_type ||
type == TypeManager.char_type;
}
- private static bool IsTypeUnsigned (Type type)
+ private static bool IsTypeUnsigned (TypeSpec type)
{
return type == TypeManager.uint64_type ||
type == TypeManager.uint32_type ||
type == TypeManager.char_type;
}
- private void WarnUselessComparison (Type type)
+ private void WarnUselessComparison (ResolveContext ec, TypeSpec type)
{
- Report.Warning (652, 2, loc, "A comparison between a constant and a variable is useless. The constant is out of the range of the variable type `{0}'",
+ ec.Report.Warning (652, 2, loc, "A comparison between a constant and a variable is useless. The constant is out of the range of the variable type `{0}'",
TypeManager.CSharpName (type));
}
/// </remarks>
public override void EmitBranchable (EmitContext ec, Label target, bool on_true)
{
- ILGenerator ig = ec.ig;
-
//
// This is more complicated than it looks, but its just to avoid
// duplicated tests: basically, we allow ==, !=, >, <, >= and <=
} else if (oper == Operator.LogicalAnd) {
if (on_true) {
- Label tests_end = ig.DefineLabel ();
+ Label tests_end = ec.DefineLabel ();
left.EmitBranchable (ec, tests_end, false);
right.EmitBranchable (ec, target, true);
- ig.MarkLabel (tests_end);
+ ec.MarkLabel (tests_end);
} else {
//
// This optimizes code like this
right.EmitBranchable (ec, target, true);
} else {
- Label tests_end = ig.DefineLabel ();
+ Label tests_end = ec.DefineLabel ();
left.EmitBranchable (ec, tests_end, true);
right.EmitBranchable (ec, target, false);
- ig.MarkLabel (tests_end);
+ ec.MarkLabel (tests_end);
}
return;
left.Emit (ec);
right.Emit (ec);
- Type t = left.Type;
+ TypeSpec t = left.Type;
bool is_float = IsFloat (t);
bool is_unsigned = is_float || IsUnsigned (t);
switch (oper){
case Operator.Equality:
if (on_true)
- ig.Emit (OpCodes.Beq, target);
+ ec.Emit (OpCodes.Beq, target);
else
- ig.Emit (OpCodes.Bne_Un, target);
+ ec.Emit (OpCodes.Bne_Un, target);
break;
case Operator.Inequality:
if (on_true)
- ig.Emit (OpCodes.Bne_Un, target);
+ ec.Emit (OpCodes.Bne_Un, target);
else
- ig.Emit (OpCodes.Beq, target);
+ ec.Emit (OpCodes.Beq, target);
break;
case Operator.LessThan:
if (on_true)
if (is_unsigned && !is_float)
- ig.Emit (OpCodes.Blt_Un, target);
+ ec.Emit (OpCodes.Blt_Un, target);
else
- ig.Emit (OpCodes.Blt, target);
+ ec.Emit (OpCodes.Blt, target);
else
if (is_unsigned)
- ig.Emit (OpCodes.Bge_Un, target);
+ ec.Emit (OpCodes.Bge_Un, target);
else
- ig.Emit (OpCodes.Bge, target);
+ ec.Emit (OpCodes.Bge, target);
break;
case Operator.GreaterThan:
if (on_true)
if (is_unsigned && !is_float)
- ig.Emit (OpCodes.Bgt_Un, target);
+ ec.Emit (OpCodes.Bgt_Un, target);
else
- ig.Emit (OpCodes.Bgt, target);
+ ec.Emit (OpCodes.Bgt, target);
else
if (is_unsigned)
- ig.Emit (OpCodes.Ble_Un, target);
+ ec.Emit (OpCodes.Ble_Un, target);
else
- ig.Emit (OpCodes.Ble, target);
+ ec.Emit (OpCodes.Ble, target);
break;
case Operator.LessThanOrEqual:
if (on_true)
if (is_unsigned && !is_float)
- ig.Emit (OpCodes.Ble_Un, target);
+ ec.Emit (OpCodes.Ble_Un, target);
else
- ig.Emit (OpCodes.Ble, target);
+ ec.Emit (OpCodes.Ble, target);
else
if (is_unsigned)
- ig.Emit (OpCodes.Bgt_Un, target);
+ ec.Emit (OpCodes.Bgt_Un, target);
else
- ig.Emit (OpCodes.Bgt, target);
+ ec.Emit (OpCodes.Bgt, target);
break;
case Operator.GreaterThanOrEqual:
if (on_true)
if (is_unsigned && !is_float)
- ig.Emit (OpCodes.Bge_Un, target);
+ ec.Emit (OpCodes.Bge_Un, target);
else
- ig.Emit (OpCodes.Bge, target);
+ ec.Emit (OpCodes.Bge, target);
else
if (is_unsigned)
- ig.Emit (OpCodes.Blt_Un, target);
+ ec.Emit (OpCodes.Blt_Un, target);
else
- ig.Emit (OpCodes.Blt, target);
+ ec.Emit (OpCodes.Blt, target);
break;
default:
throw new InternalErrorException (oper.ToString ());
EmitOperator (ec, left.Type);
}
- protected virtual void EmitOperator (EmitContext ec, Type l)
+ protected virtual void EmitOperator (EmitContext ec, TypeSpec l)
{
- ILGenerator ig = ec.ig;
-
//
// Handle short-circuit operators differently
// than the rest
//
if ((oper & Operator.LogicalMask) != 0) {
- Label load_result = ig.DefineLabel ();
- Label end = ig.DefineLabel ();
+ Label load_result = ec.DefineLabel ();
+ Label end = ec.DefineLabel ();
bool is_or = oper == Operator.LogicalOr;
left.EmitBranchable (ec, load_result, is_or);
right.Emit (ec);
- ig.Emit (OpCodes.Br_S, end);
+ ec.Emit (OpCodes.Br_S, end);
- ig.MarkLabel (load_result);
- ig.Emit (is_or ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
- ig.MarkLabel (end);
+ ec.MarkLabel (load_result);
+ ec.Emit (is_or ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
+ ec.MarkLabel (end);
return;
}
- left.Emit (ec);
-
- //
- // Optimize zero-based operations
//
- // TODO: Implement more optimizations, but it should probably go to PredefinedOperators
+ // Optimize zero-based operations which cannot be optimized at expression level
//
- if ((oper & Operator.ShiftMask) != 0 || oper == Operator.Addition || oper == Operator.Subtraction) {
- Constant rc = right as Constant;
- if (rc != null && rc.IsDefaultValue) {
+ if (oper == Operator.Subtraction) {
+ var lc = left as IntegralConstant;
+ if (lc != null && lc.IsDefaultValue) {
+ right.Emit (ec);
+ ec.Emit (OpCodes.Neg);
return;
}
}
+ left.Emit (ec);
right.Emit (ec);
EmitOperatorOpcode (ec, oper, l);
public override void EmitSideEffect (EmitContext ec)
{
if ((oper & Operator.LogicalMask) != 0 ||
- (ec.HasSet (EmitContext.Options.CheckedScope) && (oper == Operator.Multiply || oper == Operator.Addition || oper == Operator.Subtraction))) {
+ (ec.HasSet (EmitContext.Options.CheckedScope) && (oper == Operator.Multiply || oper == Operator.Addition || oper == Operator.Subtraction))) {
base.EmitSideEffect (ec);
} else {
left.EmitSideEffect (ec);
target.right = right.Clone (clonectx);
}
- public Expression CreateCallSiteBinder (EmitContext ec, Arguments args)
+ public Expression CreateCallSiteBinder (ResolveContext ec, Arguments args)
{
Arguments binder_args = new Arguments (4);
MemberAccess sle = new MemberAccess (new MemberAccess (
new QualifiedAliasMember (QualifiedAliasMember.GlobalAlias, "System", loc), "Linq", loc), "Expressions", loc);
- MemberAccess binder = DynamicExpressionStatement.GetBinderNamespace (loc);
+ CSharpBinderFlags flags = 0;
+ if (ec.HasSet (ResolveContext.Options.CheckedScope))
+ flags = CSharpBinderFlags.CheckedContext;
- binder_args.Add (new Argument (new MemberAccess (new MemberAccess (sle, "ExpressionType", loc), GetOperatorExpressionTypeName (), loc)));
- binder_args.Add (new Argument (new BoolLiteral (ec.HasSet (EmitContext.Options.CheckedScope), loc)));
+ if ((oper & Operator.LogicalMask) != 0)
+ flags |= CSharpBinderFlags.BinaryOperationLogical;
- bool member_access = left is DynamicMemberBinder || right is DynamicMemberBinder;
- binder_args.Add (new Argument (new BoolLiteral (member_access, loc)));
- binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation ("[]", args.CreateDynamicBinderArguments (), loc)));
+ binder_args.Add (new Argument (new EnumConstant (new IntLiteral ((int) flags, loc), TypeManager.binder_flags)));
+ binder_args.Add (new Argument (new MemberAccess (new MemberAccess (sle, "ExpressionType", loc), GetOperatorExpressionTypeName (), loc)));
+ binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation ("[]", args.CreateDynamicBinderArguments (ec), loc)));
- return new New (new MemberAccess (binder, "CSharpBinaryOperationBinder", loc), binder_args, loc);
+ return new Invocation (DynamicExpressionStatement.GetBinder ("BinaryOperation", loc), binder_args);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
return CreateExpressionTree (ec, null);
}
- Expression CreateExpressionTree (EmitContext ec, MethodGroupExpr method)
+ Expression CreateExpressionTree (ResolveContext ec, MethodGroupExpr method)
{
string method_name;
bool lift_arg = false;
switch (oper) {
case Operator.Addition:
- if (method == null && ec.HasSet (EmitContext.Options.CheckedScope) && !IsFloat (type))
+ if (method == null && ec.HasSet (ResolveContext.Options.CheckedScope) && !IsFloat (type))
method_name = "AddChecked";
else
method_name = "Add";
method_name = "Modulo";
break;
case Operator.Multiply:
- if (method == null && ec.HasSet (EmitContext.Options.CheckedScope) && !IsFloat (type))
+ if (method == null && ec.HasSet (ResolveContext.Options.CheckedScope) && !IsFloat (type))
method_name = "MultiplyChecked";
else
method_name = "Multiply";
method_name = "RightShift";
break;
case Operator.Subtraction:
- if (method == null && ec.HasSet (EmitContext.Options.CheckedScope) && !IsFloat (type))
+ if (method == null && ec.HasSet (ResolveContext.Options.CheckedScope) && !IsFloat (type))
method_name = "SubtractChecked";
else
method_name = "Subtract";
args.Add (new Argument (method.CreateExpressionTree (ec)));
}
- return CreateExpressionFactoryCall (method_name, args);
+ return CreateExpressionFactoryCall (ec, method_name, args);
}
}
public class StringConcat : Expression {
Arguments arguments;
- public StringConcat (Location loc, Expression left, Expression right)
+ public StringConcat (Expression left, Expression right, Location loc)
{
this.loc = loc;
type = TypeManager.string_type;
eclass = ExprClass.Value;
arguments = new Arguments (2);
- Append (left);
- Append (right);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public static StringConcat Create (ResolveContext rc, Expression left, Expression right, Location loc)
+ {
+ if (left.eclass == ExprClass.Unresolved || right.eclass == ExprClass.Unresolved)
+ throw new ArgumentException ();
+
+ var s = new StringConcat (left, right, loc);
+ s.Append (rc, left);
+ s.Append (rc, right);
+ return s;
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Argument arg = arguments [0];
return CreateExpressionAddCall (ec, arg, arg.CreateExpressionTree (ec), 1);
//
// Creates nested calls tree from an array of arguments used for IL emit
//
- Expression CreateExpressionAddCall (EmitContext ec, Argument left, Expression left_etree, int pos)
+ Expression CreateExpressionAddCall (ResolveContext ec, Argument left, Expression left_etree, int pos)
{
Arguments concat_args = new Arguments (2);
Arguments add_args = new Arguments (3);
add_args.Add (new Argument (method.CreateExpressionTree (ec)));
- Expression expr = CreateExpressionFactoryCall ("Add", add_args);
+ Expression expr = CreateExpressionFactoryCall (ec, "Add", add_args);
if (++pos == arguments.Count)
return expr;
- left = new Argument (new EmptyExpression (((MethodInfo)method).ReturnType));
+ left = new Argument (new EmptyExpression (method.BestCandidate.ReturnType));
return CreateExpressionAddCall (ec, left, expr, pos);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return this;
}
- public void Append (Expression operand)
+ void Append (ResolveContext rc, Expression operand)
{
//
// Constant folding
StringConstant last_expr_constant = last_argument.Expr as StringConstant;
if (last_expr_constant != null) {
last_argument.Expr = new StringConstant (
- last_expr_constant.Value + sc.Value, sc.Location);
+ last_expr_constant.Value + sc.Value, sc.Location).Resolve (rc);
return;
}
}
public override void Emit (EmitContext ec)
{
Expression concat = new Invocation (CreateConcatMemberExpression (), arguments, true);
- concat = concat.Resolve (ec);
+ concat = concat.Resolve (new ResolveContext (ec.MemberContext));
if (concat != null)
concat.Emit (ec);
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- arguments.MutateHoistedGenericType (storey);
- }
+ if (arguments.Count != 2)
+ throw new NotImplementedException ("arguments.Count != 2");
+
+ var concat = typeof (string).GetMethod ("Concat", new[] { typeof (object), typeof (object) });
+ return SLE.Expression.Add (arguments[0].Expr.MakeExpression (ctx), arguments[1].Expr.MakeExpression (ctx), concat);
+ }
}
//
: base (oper_method, arguments, expr_tree, loc)
{
this.is_and = is_and;
+ eclass = ExprClass.Unresolved;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- MethodInfo method = (MethodInfo)mg;
- type = TypeManager.TypeToCoreType (method.ReturnType);
- AParametersCollection pd = TypeManager.GetParameterData (method);
+ var method = mg.BestCandidate;
+ type = method.ReturnType;
+ AParametersCollection pd = method.Parameters;
if (!TypeManager.IsEqual (type, type) || !TypeManager.IsEqual (type, pd.Types [0]) || !TypeManager.IsEqual (type, pd.Types [1])) {
- Report.Error (217, loc,
+ ec.Report.Error (217, loc,
"A user-defined operator `{0}' must have parameters and return values of the same type in order to be applicable as a short circuit operator",
TypeManager.CSharpSignature (method));
return null;
Expression op_true = GetOperatorTrue (ec, left_dup, loc);
Expression op_false = GetOperatorFalse (ec, left_dup, loc);
if (op_true == null || op_false == null) {
- Report.Error (218, loc,
+ ec.Report.Error (218, loc,
"The type `{0}' must have operator `true' and operator `false' defined when `{1}' is used as a short circuit operator",
TypeManager.CSharpName (type), TypeManager.CSharpSignature (method));
return null;
public override void Emit (EmitContext ec)
{
- ILGenerator ig = ec.ig;
- Label end_target = ig.DefineLabel ();
+ Label end_target = ec.DefineLabel ();
//
// Emit and duplicate left argument
//
arguments [0].Expr.Emit (ec);
- ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
arguments.RemoveAt (0);
oper.EmitBranchable (ec, end_target, true);
base.Emit (ec);
- ig.MarkLabel (end_target);
+ ec.MarkLabel (end_target);
}
}
//
// We assume that `l' is always a pointer
//
- public PointerArithmetic (Binary.Operator op, Expression l, Expression r, Type t, Location loc)
+ public PointerArithmetic (Binary.Operator op, Expression l, Expression r, TypeSpec t, Location loc)
{
type = t;
this.loc = loc;
this.op = op;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Error_PointerInsideExpressionTree ();
+ Error_PointerInsideExpressionTree (ec);
return null;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
if (left.Type == TypeManager.void_ptr_type) {
- Error (242, "The operation in question is undefined on void pointers");
+ ec.Report.Error (242, loc, "The operation in question is undefined on void pointers");
return null;
}
public override void Emit (EmitContext ec)
{
- Type op_type = left.Type;
- ILGenerator ig = ec.ig;
+ TypeSpec op_type = left.Type;
// It must be either array or fixed buffer
- Type element;
+ TypeSpec element;
if (TypeManager.HasElementType (op_type)) {
element = TypeManager.GetElementType (op_type);
} else {
FieldExpr fe = left as FieldExpr;
if (fe != null)
- element = AttributeTester.GetFixedBuffer (fe.FieldInfo).ElementType;
+ element = ((FixedFieldSpec) (fe.Spec)).ElementType;
else
element = op_type;
}
int size = GetTypeSize (element);
- Type rtype = right.Type;
+ TypeSpec rtype = right.Type;
if ((op & Binary.Operator.SubtractionMask) != 0 && rtype.IsPointer){
//
//
left.Emit (ec);
right.Emit (ec);
- ig.Emit (OpCodes.Sub);
+ ec.Emit (OpCodes.Sub);
if (size != 1){
if (size == 0)
- ig.Emit (OpCodes.Sizeof, element);
+ ec.Emit (OpCodes.Sizeof, element);
else
- IntLiteral.EmitInt (ig, size);
- ig.Emit (OpCodes.Div);
+ ec.EmitInt (size);
+ ec.Emit (OpCodes.Div);
}
- ig.Emit (OpCodes.Conv_I8);
+ ec.Emit (OpCodes.Conv_I8);
} else {
//
// handle + and - on (pointer op int)
left.Emit (ec);
- Constant right_const = right as Constant;
+ var right_const = right as Constant;
if (right_const != null) {
//
// Optimize 0-based arithmetic
if (right_const.IsDefaultValue)
return;
- if (size != 0) {
- right = ConstantFold.BinaryFold (ec, Binary.Operator.Multiply, new IntConstant (size, right.Location), right_const, loc);
- if (right == null)
- return;
- } else {
- ig.Emit (OpCodes.Sizeof, element);
- right = EmptyExpression.Null;
- }
+ if (size != 0)
+ right = new IntConstant (size, right.Location);
+ else
+ right = new SizeOf (new TypeExpression (element, right.Location), right.Location);
+
+ // TODO: Should be the checks resolve context sensitive?
+ ResolveContext rc = new ResolveContext (ec.MemberContext, ResolveContext.Options.UnsafeScope);
+ right = new Binary (Binary.Operator.Multiply, right, right_const, loc).Resolve (rc);
+ if (right == null)
+ return;
}
right.Emit (ec);
if (rtype == TypeManager.sbyte_type || rtype == TypeManager.byte_type ||
rtype == TypeManager.short_type || rtype == TypeManager.ushort_type) {
- ig.Emit (OpCodes.Conv_I);
+ ec.Emit (OpCodes.Conv_I);
} else if (rtype == TypeManager.uint32_type) {
- ig.Emit (OpCodes.Conv_U);
+ ec.Emit (OpCodes.Conv_U);
}
if (right_const == null && size != 1){
if (size == 0)
- ig.Emit (OpCodes.Sizeof, element);
+ ec.Emit (OpCodes.Sizeof, element);
else
- IntLiteral.EmitInt (ig, size);
+ ec.EmitInt (size);
if (rtype == TypeManager.int64_type || rtype == TypeManager.uint64_type)
- ig.Emit (OpCodes.Conv_I8);
+ ec.Emit (OpCodes.Conv_I8);
Binary.EmitOperatorOpcode (ec, Binary.Operator.Multiply, rtype);
}
if (left_const == null) {
if (rtype == TypeManager.int64_type)
- ig.Emit (OpCodes.Conv_I);
+ ec.Emit (OpCodes.Conv_I);
else if (rtype == TypeManager.uint64_type)
- ig.Emit (OpCodes.Conv_U);
+ ec.Emit (OpCodes.Conv_U);
Binary.EmitOperatorOpcode (ec, op, op_type);
}
}
}
}
+
+ //
+ // A boolean-expression is an expression that yields a result
+ // of type bool
+ //
+ public class BooleanExpression : ShimExpression
+ {
+ public BooleanExpression (Expression expr)
+ : base (expr)
+ {
+ this.loc = expr.Location;
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
+ {
+ // TODO: We should emit IsTrue (v4) instead of direct user operator
+ // call but that would break csc compatibility
+ return base.CreateExpressionTree (ec);
+ }
+
+ protected override Expression DoResolve (ResolveContext ec)
+ {
+ // A boolean-expression is required to be of a type
+ // that can be implicitly converted to bool or of
+ // a type that implements operator true
+
+ expr = expr.Resolve (ec);
+ if (expr == null)
+ return null;
+
+ Assign ass = expr as Assign;
+ if (ass != null && ass.Source is Constant) {
+ ec.Report.Warning (665, 3, loc,
+ "Assignment in conditional expression is always constant. Did you mean to use `==' instead ?");
+ }
+
+ if (expr.Type == TypeManager.bool_type)
+ return expr;
+
+ if (expr.Type == InternalType.Dynamic) {
+ Arguments args = new Arguments (1);
+ args.Add (new Argument (expr));
+ return new DynamicUnaryConversion ("IsTrue", args, loc).Resolve (ec);
+ }
+
+ type = TypeManager.bool_type;
+ Expression converted = Convert.ImplicitConversion (ec, expr, type, loc);
+ if (converted != null)
+ return converted;
+
+ //
+ // If no implicit conversion to bool exists, try using `operator true'
+ //
+ converted = GetOperatorTrue (ec, expr, loc);
+ if (converted == null) {
+ expr.Error_ValueCannotBeConverted (ec, loc, type, false);
+ return null;
+ }
+
+ return converted;
+ }
+ }
/// <summary>
/// Implements the ternary conditional operator (?:)
/// </summary>
public class Conditional : Expression {
Expression expr, true_expr, false_expr;
-
- public Conditional (Expression expr, Expression true_expr, Expression false_expr)
+
+ public Conditional (BooleanExpression expr, Expression true_expr, Expression false_expr)
{
this.expr = expr;
this.true_expr = true_expr;
}
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (3);
args.Add (new Argument (expr.CreateExpressionTree (ec)));
args.Add (new Argument (true_expr.CreateExpressionTree (ec)));
args.Add (new Argument (false_expr.CreateExpressionTree (ec)));
- return CreateExpressionFactoryCall ("Condition", args);
+ return CreateExpressionFactoryCall (ec, "Condition", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- expr = Expression.ResolveBoolean (ec, expr, loc);
-
- Assign ass = expr as Assign;
- if (ass != null && ass.Source is Constant) {
- Report.Warning (665, 3, loc, "Assignment in conditional expression is always constant; did you mean to use == instead of = ?");
- }
-
+ expr = expr.Resolve (ec);
true_expr = true_expr.Resolve (ec);
false_expr = false_expr.Resolve (ec);
return null;
eclass = ExprClass.Value;
- Type true_type = true_expr.Type;
- Type false_type = false_expr.Type;
+ TypeSpec true_type = true_expr.Type;
+ TypeSpec false_type = false_expr.Type;
type = true_type;
//
Expression conv = Convert.ImplicitConversion (ec, true_expr, false_type, loc);
if (conv != null) {
//
- // Check if both can convert implicitl to each other's type
+ // Check if both can convert implicitly to each other's type
//
if (Convert.ImplicitConversion (ec, false_expr, true_type, loc) != null) {
- Error (172,
- "Can not compute type of conditional expression " +
- "as `" + TypeManager.CSharpName (true_expr.Type) +
- "' and `" + TypeManager.CSharpName (false_expr.Type) +
- "' convert implicitly to each other");
+ ec.Report.Error (172, true_expr.Location,
+ "Type of conditional expression cannot be determined as `{0}' and `{1}' convert implicitly to each other",
+ TypeManager.CSharpName (true_type), TypeManager.CSharpName (false_type));
return null;
}
type = false_type;
} else if ((conv = Convert.ImplicitConversion (ec, false_expr, true_type, loc)) != null) {
false_expr = conv;
} else {
- Report.Error (173, loc,
+ ec.Report.Error (173, true_expr.Location,
"Type of conditional expression cannot be determined because there is no implicit conversion between `{0}' and `{1}'",
- true_expr.GetSignatureForError (), false_expr.GetSignatureForError ());
+ TypeManager.CSharpName (true_type), TypeManager.CSharpName (false_type));
return null;
}
}
Constant c = expr as Constant;
if (c != null){
bool is_false = c.IsDefaultValue;
- Report.Warning (429, 4, is_false ? true_expr.Location : false_expr.Location, "Unreachable expression code detected");
+ ec.Report.Warning (429, 4, is_false ? true_expr.Location : false_expr.Location, "Unreachable expression code detected");
return ReducedExpression.Create (is_false ? false_expr : true_expr, this).Resolve (ec);
}
return this;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- expr.MutateHoistedGenericType (storey);
- true_expr.MutateHoistedGenericType (storey);
- false_expr.MutateHoistedGenericType (storey);
- type = storey.MutateType (type);
- }
-
- public override TypeExpr ResolveAsTypeTerminal (IResolveContext ec, bool silent)
+ public override TypeExpr ResolveAsTypeTerminal (IMemberContext ec, bool silent)
{
return null;
}
public override void Emit (EmitContext ec)
{
- ILGenerator ig = ec.ig;
- Label false_target = ig.DefineLabel ();
- Label end_target = ig.DefineLabel ();
+ Label false_target = ec.DefineLabel ();
+ Label end_target = ec.DefineLabel ();
expr.EmitBranchable (ec, false_target, false);
true_expr.Emit (ec);
if (type.IsInterface) {
LocalBuilder temp = ec.GetTemporaryLocal (type);
- ig.Emit (OpCodes.Stloc, temp);
- ig.Emit (OpCodes.Ldloc, temp);
+ ec.Emit (OpCodes.Stloc, temp);
+ ec.Emit (OpCodes.Ldloc, temp);
ec.FreeTemporaryLocal (temp, type);
}
- ig.Emit (OpCodes.Br, end_target);
- ig.MarkLabel (false_target);
+ ec.Emit (OpCodes.Br, end_target);
+ ec.MarkLabel (false_target);
false_expr.Emit (ec);
- ig.MarkLabel (end_target);
+ ec.MarkLabel (end_target);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
LocalTemporary temp;
#region Abstract
- public abstract HoistedVariable GetHoistedVariable (EmitContext ec);
+ public abstract HoistedVariable GetHoistedVariable (AnonymousExpression ae);
public abstract bool IsFixed { get; }
public abstract bool IsRef { get; }
public abstract string Name { get; }
public abstract VariableInfo VariableInfo { get; }
#endregion
- public void AddressOf (EmitContext ec, AddressOp mode)
+ public virtual void AddressOf (EmitContext ec, AddressOp mode)
{
HoistedVariable hv = GetHoistedVariable (ec);
if (hv != null) {
Variable.EmitAddressOf (ec);
}
+ public HoistedVariable GetHoistedVariable (ResolveContext rc)
+ {
+ return GetHoistedVariable (rc.CurrentAnonymousMethod);
+ }
+
+ public HoistedVariable GetHoistedVariable (EmitContext ec)
+ {
+ return GetHoistedVariable (ec.CurrentAnonymousMethod);
+ }
+
+ public override string GetSignatureForError ()
+ {
+ return Name;
+ }
+
public override void Emit (EmitContext ec)
{
Emit (ec, false);
// If we are a reference, we loaded on the stack a pointer
// Now lets load the real value
//
- LoadFromPtr (ec.ig, type);
+ ec.EmitLoadFromPtr (type);
}
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
if (IsRef) {
temp = new LocalTemporary (Type);
}
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
if (IsRef) {
temp = new LocalTemporary (Type);
temp.Store (ec);
}
if (IsRef)
- StoreFromPtr (ec.ig, type);
+ ec.EmitStoreFromPtr (type);
else
Variable.EmitAssign (ec);
}
public bool IsHoisted {
- get { return GetHoistedVariable (null) != null; }
- }
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
+ get { return GetHoistedVariable ((AnonymousExpression) null) != null; }
}
}
public Block Block;
public LocalInfo local_info;
bool is_readonly;
- bool resolved; // TODO: merge with eclass
public LocalVariableReference (Block block, string name, Location l)
{
get { return local_info.VariableInfo; }
}
- public override HoistedVariable GetHoistedVariable (EmitContext ec)
+ public override HoistedVariable GetHoistedVariable (AnonymousExpression ae)
{
- return local_info.HoistedVariableReference;
+ return local_info.HoistedVariant;
}
//
get { return name; }
}
- public bool VerifyAssigned (EmitContext ec)
+ public bool VerifyAssigned (ResolveContext ec)
{
VariableInfo variable_info = local_info.VariableInfo;
return variable_info == null || variable_info.IsAssigned (ec, loc);
local_info.AddressTaken = true;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
HoistedVariable hv = GetHoistedVariable (ec);
if (hv != null)
- return hv.CreateExpressionTree (ec);
+ return hv.CreateExpressionTree ();
Arguments arg = new Arguments (1);
arg.Add (new Argument (this));
- return CreateExpressionFactoryCall ("Constant", arg);
+ return CreateExpressionFactoryCall (ec, "Constant", arg);
}
- Expression DoResolveBase (EmitContext ec)
+ Expression DoResolveBase (ResolveContext ec)
{
- type = local_info.VariableType;
-
Expression e = Block.GetConstantExpression (Name);
if (e != null)
return e.Resolve (ec);
//
if (ec.MustCaptureVariable (local_info)) {
if (local_info.AddressTaken)
- AnonymousMethodExpression.Error_AddressOfCapturedVar (this, loc);
+ AnonymousMethodExpression.Error_AddressOfCapturedVar (ec, this, loc);
if (ec.IsVariableCapturingRequired) {
AnonymousMethodStorey storey = local_info.Block.Explicit.CreateAnonymousMethodStorey (ec);
}
}
- resolved |= ec.DoFlowAnalysis;
eclass = ExprClass.Variable;
+ type = local_info.VariableType;
return this;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (resolved)
- return this;
-
ResolveLocalInfo ();
local_info.Used = true;
if (type == null && local_info.Type is VarExpr) {
local_info.VariableType = TypeManager.object_type;
- Error_VariableIsUsedBeforeItIsDeclared (Name);
+ Error_VariableIsUsedBeforeItIsDeclared (ec.Report, Name);
return null;
}
return DoResolveBase (ec);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
ResolveLocalInfo ();
// is out param
- if (right_side == EmptyExpression.OutAccess)
+ if (right_side == EmptyExpression.OutAccess.Instance)
local_info.Used = true;
// Infer implicitly typed local variable
if (is_readonly) {
int code;
string msg;
- if (right_side == EmptyExpression.OutAccess) {
+ if (right_side == EmptyExpression.OutAccess.Instance) {
code = 1657; msg = "Cannot pass `{0}' as a ref or out argument because it is a `{1}'";
} else if (right_side == EmptyExpression.LValueMemberAccess) {
code = 1654; msg = "Cannot assign to members of `{0}' because it is a `{1}'";
} else {
code = 1656; msg = "Cannot assign to `{0}' because it is a `{1}'";
}
- Report.Error (code, loc, msg, Name, local_info.GetReadOnlyContext ());
+ ec.Report.Error (code, loc, msg, Name, local_info.GetReadOnlyContext ());
} else if (VariableInfo != null) {
VariableInfo.SetAssigned (ec);
}
get { return pi.Parameter.ModFlags == Parameter.Modifier.OUT; }
}
- public override HoistedVariable GetHoistedVariable (EmitContext ec)
+ public override HoistedVariable GetHoistedVariable (AnonymousExpression ae)
{
- return pi.Parameter.HoistedVariableReference;
+ return pi.Parameter.HoistedVariant;
}
//
get { return Parameter; }
}
- public bool IsAssigned (EmitContext ec, Location loc)
+ public bool IsAssigned (ResolveContext ec, Location loc)
{
// HACK: Variables are not captured in probing mode
if (ec.IsInProbingMode)
if (!ec.DoFlowAnalysis || !HasOutModifier || ec.CurrentBranching.IsAssigned (VariableInfo))
return true;
- Report.Error (269, loc, "Use of unassigned out parameter `{0}'", Name);
+ ec.Report.Error (269, loc, "Use of unassigned out parameter `{0}'", Name);
return false;
}
Parameter.HasAddressTaken = true;
}
- void SetAssigned (EmitContext ec)
+ void SetAssigned (ResolveContext ec)
{
if (HasOutModifier && ec.DoFlowAnalysis)
ec.CurrentBranching.SetAssigned (VariableInfo);
}
- bool DoResolveBase (EmitContext ec)
+ bool DoResolveBase (ResolveContext ec)
{
type = pi.ParameterType;
eclass = ExprClass.Variable;
Block b = ec.CurrentBlock;
while (b != null) {
+ b = b.Toplevel;
IParameterData[] p = b.Toplevel.Parameters.FixedParameters;
for (int i = 0; i < p.Length; ++i) {
if (p [i] != Parameter)
continue;
//
- // Skip closest anonymous method parameters
+ // Don't capture local parameters
//
- if (b == ec.CurrentBlock && !am.IsIterator)
+ if (b == ec.CurrentBlock.Toplevel && !am.IsIterator)
return true;
if (IsRef) {
- Report.Error (1628, loc,
+ ec.Report.Error (1628, loc,
"Parameter `{0}' cannot be used inside `{1}' when using `ref' or `out' modifier",
Name, am.ContainerType);
}
- b = null;
- break;
- }
+ if (pi.Parameter.HasAddressTaken)
+ AnonymousMethodExpression.Error_AddressOfCapturedVar (ec, this, loc);
- if (b != null)
- b = b.Toplevel.Parent;
- }
+ if (ec.IsVariableCapturingRequired && !b.Toplevel.IsExpressionTree) {
+ AnonymousMethodStorey storey = pi.Block.CreateAnonymousMethodStorey (ec);
+ storey.CaptureParameter (ec, this);
+ }
- if (pi.Parameter.HasAddressTaken)
- AnonymousMethodExpression.Error_AddressOfCapturedVar (this, loc);
+ return true;
+ }
- if (ec.IsVariableCapturingRequired) {
- AnonymousMethodStorey storey = pi.Block.CreateAnonymousMethodStorey (ec);
- storey.CaptureParameter (ec, this);
+ b = b.Parent;
}
return true;
return Name == pr.Name;
}
+
+ public override void AddressOf (EmitContext ec, AddressOp mode)
+ {
+ //
+ // ParameterReferences might already be a reference
+ //
+ if (IsRef) {
+ EmitLoad (ec);
+ return;
+ }
+
+ base.AddressOf (ec, mode);
+ }
protected override void CloneTo (CloneContext clonectx, Expression target)
{
// Nothing to clone
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
HoistedVariable hv = GetHoistedVariable (ec);
if (hv != null)
- return hv.CreateExpressionTree (ec);
+ return hv.CreateExpressionTree ();
return Parameter.ExpressionTreeVariableReference ();
}
// the type as it is expected, but when we generate the code, we generate
// the alternate kind of code.
//
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (!DoResolveBase (ec))
return null;
return this;
}
- override public Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ override public Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
if (!DoResolveBase (ec))
return null;
return this;
}
- static public void EmitLdArg (ILGenerator ig, int x)
+ static public void EmitLdArg (EmitContext ec, int x)
{
switch (x) {
- case 0: ig.Emit (OpCodes.Ldarg_0); break;
- case 1: ig.Emit (OpCodes.Ldarg_1); break;
- case 2: ig.Emit (OpCodes.Ldarg_2); break;
- case 3: ig.Emit (OpCodes.Ldarg_3); break;
+ case 0: ec.Emit (OpCodes.Ldarg_0); break;
+ case 1: ec.Emit (OpCodes.Ldarg_1); break;
+ case 2: ec.Emit (OpCodes.Ldarg_2); break;
+ case 3: ec.Emit (OpCodes.Ldarg_3); break;
default:
if (x > byte.MaxValue)
- ig.Emit (OpCodes.Ldarg, x);
+ ec.Emit (OpCodes.Ldarg, x);
else
- ig.Emit (OpCodes.Ldarg_S, (byte) x);
+ ec.Emit (OpCodes.Ldarg_S, (byte) x);
break;
}
}
this.arguments_resolved = arguments_resolved;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Arguments args;
-
- //
- // Special conversion for nested expression trees
- //
- if (TypeManager.DropGenericTypeArguments (type) == TypeManager.expression_type) {
- args = new Arguments (1);
- args.Add (new Argument (this));
- return CreateExpressionFactoryCall ("Quote", args);
- }
-
Expression instance = mg.IsInstance ?
mg.InstanceExpression.CreateExpressionTree (ec) :
new NullLiteral (loc);
- args = Arguments.CreateForExpressionTree (ec, arguments,
+ var args = Arguments.CreateForExpressionTree (ec, arguments,
instance,
mg.CreateExpressionTree (ec));
if (mg.IsBase)
- MemberExpr.Error_BaseAccessInExpressionTree (loc);
+ MemberExpr.Error_BaseAccessInExpressionTree (ec, loc);
- return CreateExpressionFactoryCall ("Call", args);
+ return CreateExpressionFactoryCall (ec, "Call", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- // Don't resolve already resolved expression
- if (eclass != ExprClass.Invalid)
- return this;
-
- Expression expr_resolved = expr.Resolve (ec, ResolveFlags.VariableOrValue | ResolveFlags.MethodGroup);
- if (expr_resolved == null)
+ Expression member_expr = expr.Resolve (ec, ResolveFlags.VariableOrValue | ResolveFlags.MethodGroup);
+ if (member_expr == null)
return null;
//
if (arguments != null && !arguments_resolved)
arguments.Resolve (ec, out dynamic_arg);
- Type expr_type = expr_resolved.Type;
- mg = expr_resolved as MethodGroupExpr;
-
- if (dynamic_arg || TypeManager.IsDynamicType (expr_type)) {
- Arguments args;
- DynamicMemberBinder dmb = expr_resolved as DynamicMemberBinder;
- if (dmb != null) {
- args = dmb.Arguments;
- if (arguments != null)
- args.AddRange (arguments);
- } else if (mg == null) {
- if (arguments == null)
- args = new Arguments (1);
- else
- args = arguments;
-
- args.Insert (0, new Argument (expr_resolved));
- expr = null;
- } else {
- if (mg.IsBase) {
- Report.Error (1971, loc,
- "The base call to method `{0}' cannot be dynamically dispatched. Consider casting the dynamic arguments or eliminating the base access",
- mg.Name);
- return null;
- }
+ TypeSpec expr_type = member_expr.Type;
+ mg = member_expr as MethodGroupExpr;
- args = arguments;
+ bool dynamic_member = expr_type == InternalType.Dynamic;
- if (mg.IsStatic != mg.IsInstance) {
- if (args == null)
- args = new Arguments (1);
+ if (!dynamic_member) {
+ Expression invoke = null;
- if (mg.IsStatic) {
- args.Insert (0, new Argument (new TypeOf (new TypeExpression (mg.DeclaringType, loc), loc).Resolve (ec), Argument.AType.DynamicStatic));
- } else {
- MemberAccess ma = expr as MemberAccess;
- if (ma != null)
- args.Insert (0, new Argument (ma.Left.Resolve (ec)));
- else
- args.Insert (0, new Argument (new This (loc).Resolve (ec)));
+ if (mg == null) {
+ if (expr_type != null && TypeManager.IsDelegateType (expr_type)) {
+ invoke = new DelegateInvocation (member_expr, arguments, loc);
+ invoke = invoke.Resolve (ec);
+ if (invoke == null || !dynamic_arg)
+ return invoke;
+ } else {
+ MemberExpr me = member_expr as MemberExpr;
+ if (me == null) {
+ member_expr.Error_UnexpectedKind (ec, ResolveFlags.MethodGroup, loc);
+ return null;
}
- }
- }
- return new DynamicInvocation (expr as ATypeNameExpression, args, loc).Resolve (ec);
- }
+ mg = ec.LookupExtensionMethod (me.Type, me.Name, -1, loc);
+ if (mg == null) {
+ ec.Report.Error (1955, loc, "The member `{0}' cannot be used as method or delegate",
+ member_expr.GetSignatureForError ());
+ return null;
+ }
- if (mg == null) {
- if (expr_type != null && TypeManager.IsDelegateType (expr_type)){
- return (new DelegateInvocation (
- expr_resolved, arguments, loc)).Resolve (ec);
+ ((ExtensionMethodGroupExpr) mg).ExtensionExpression = me.InstanceExpression;
+ }
}
- MemberExpr me = expr_resolved as MemberExpr;
- if (me == null) {
- expr_resolved.Error_UnexpectedKind (ResolveFlags.MethodGroup, loc);
- return null;
- }
-
- mg = ec.LookupExtensionMethod (me.Type, me.Name, loc);
- if (mg == null) {
- Report.Error (1955, loc, "The member `{0}' cannot be used as method or delegate",
- expr_resolved.GetSignatureForError ());
- return null;
+ if (invoke == null) {
+ mg = DoResolveOverload (ec);
+ if (mg == null)
+ return null;
}
-
- ((ExtensionMethodGroupExpr)mg).ExtensionExpression = me.InstanceExpression;
}
- mg = DoResolveOverload (ec);
- if (mg == null)
- return null;
+ if (dynamic_arg || dynamic_member)
+ return DoResolveDynamic (ec, member_expr);
- MethodInfo method = (MethodInfo)mg;
+ var method = mg.BestCandidate;
if (method != null) {
- type = TypeManager.TypeToCoreType (method.ReturnType);
+ type = method.ReturnType;
// TODO: this is a copy of mg.ResolveMemberAccess method
Expression iexpr = mg.InstanceExpression;
mg.IdenticalTypeName) {
mg.InstanceExpression = null;
} else {
- MemberExpr.error176 (loc, mg.GetSignatureForError ());
+ MemberExpr.error176 (ec, loc, mg.GetSignatureForError ());
return null;
}
} else {
}
}
}
-
- if (type.IsPointer){
- if (!ec.InUnsafe){
- UnsafeError (loc);
- return null;
- }
- }
-
+
//
// Only base will allow this invocation to happen.
//
if (mg.IsBase && method.IsAbstract){
- Error_CannotCallAbstractBase (TypeManager.CSharpSignature (method));
+ Error_CannotCallAbstractBase (ec, TypeManager.CSharpSignature (method));
return null;
}
if (arguments == null && method.DeclaringType == TypeManager.object_type && method.Name == Destructor.MetadataName) {
if (mg.IsBase)
- Report.Error (250, loc, "Do not directly call your base class Finalize method. It is called automatically from your destructor");
+ ec.Report.Error (250, loc, "Do not directly call your base class Finalize method. It is called automatically from your destructor");
else
- Report.Error (245, loc, "Destructors and object.Finalize cannot be called directly. Consider calling IDisposable.Dispose if available");
+ ec.Report.Error (245, loc, "Destructors and object.Finalize cannot be called directly. Consider calling IDisposable.Dispose if available");
return null;
}
- IsSpecialMethodInvocation (method, loc);
+ IsSpecialMethodInvocation (ec, method, loc);
if (mg.InstanceExpression != null)
mg.InstanceExpression.CheckMarshalByRefAccess (ec);
return this;
}
- protected virtual MethodGroupExpr DoResolveOverload (EmitContext ec)
+ Expression DoResolveDynamic (ResolveContext ec, Expression memberExpr)
+ {
+ Arguments args;
+ DynamicMemberBinder dmb = memberExpr as DynamicMemberBinder;
+ if (dmb != null) {
+ args = dmb.Arguments;
+ if (arguments != null)
+ args.AddRange (arguments);
+ } else if (mg == null) {
+ if (arguments == null)
+ args = new Arguments (1);
+ else
+ args = arguments;
+
+ args.Insert (0, new Argument (memberExpr));
+ this.expr = null;
+ } else {
+ if (mg.IsBase) {
+ ec.Report.Error (1971, loc,
+ "The base call to method `{0}' cannot be dynamically dispatched. Consider casting the dynamic arguments or eliminating the base access",
+ mg.Name);
+ return null;
+ }
+
+ args = arguments;
+
+ if (mg.IsStatic != mg.IsInstance) {
+ if (args == null)
+ args = new Arguments (1);
+
+ if (mg.IsStatic) {
+ args.Insert (0, new Argument (new TypeOf (new TypeExpression (mg.DeclaringType, loc), loc).Resolve (ec), Argument.AType.DynamicTypeName));
+ } else {
+ MemberAccess ma = expr as MemberAccess;
+ if (ma != null)
+ args.Insert (0, new Argument (ma.Left.Resolve (ec)));
+ else
+ args.Insert (0, new Argument (new This (loc).Resolve (ec)));
+ }
+ }
+ }
+
+ return new DynamicInvocation (expr as ATypeNameExpression, args, loc).Resolve (ec);
+ }
+
+ protected virtual MethodGroupExpr DoResolveOverload (ResolveContext ec)
{
return mg.OverloadResolve (ec, ref arguments, false, loc);
}
- public static bool IsSpecialMethodInvocation (MethodBase method, Location loc)
+ public static bool IsSpecialMethodInvocation (ResolveContext ec, MethodSpec method, Location loc)
{
- if (!TypeManager.IsSpecialMethod (method))
+ if (!method.IsReservedMethod)
+ return false;
+
+ if (ec.HasSet (ResolveContext.Options.InvokeSpecialName))
return false;
- Report.SymbolRelatedToPreviousError (method);
- Report.Error (571, loc, "`{0}': cannot explicitly call operator or accessor",
- TypeManager.CSharpSignature (method, true));
+ ec.Report.SymbolRelatedToPreviousError (method);
+ ec.Report.Error (571, loc, "`{0}': cannot explicitly call operator or accessor",
+ method.GetSignatureForError ());
return true;
}
- static Type[] GetVarargsTypes (MethodBase mb, Arguments arguments)
+ static Type[] GetVarargsTypes (MethodSpec mb, Arguments arguments)
{
- AParametersCollection pd = TypeManager.GetParameterData (mb);
+ AParametersCollection pd = mb.Parameters;
Argument a = arguments [pd.Count - 1];
Arglist list = (Arglist) a.Expr;
return list.ArgumentTypes;
}
- /// <summary>
- /// This checks the ConditionalAttribute on the method
- /// </summary>
- public static bool IsMethodExcluded (MethodBase method, Location loc)
- {
- if (method.IsConstructor)
- return false;
-
- method = TypeManager.DropGenericMethodArguments (method);
- if (method.DeclaringType.Module == RootContext.ToplevelTypes.Builder) {
- IMethodData md = TypeManager.GetMethod (method);
- if (md != null)
- return md.IsExcluded ();
-
- // For some methods (generated by delegate class) GetMethod returns null
- // because they are not included in builder_to_method table
- return false;
- }
-
- return AttributeTester.IsConditionalMethodExcluded (method, loc);
- }
-
/// <remarks>
/// is_base tells whether we want to force the use of the `call'
/// opcode instead of using callvirt. Call is required to call
/// </remarks>
public static void EmitCall (EmitContext ec, bool is_base,
Expression instance_expr,
- MethodBase method, Arguments Arguments, Location loc)
+ MethodSpec method, Arguments Arguments, Location loc)
{
EmitCall (ec, is_base, instance_expr, method, Arguments, loc, false, false);
}
// only have been evaluated once.
public static void EmitCall (EmitContext ec, bool is_base,
Expression instance_expr,
- MethodBase method, Arguments Arguments, Location loc,
+ MethodSpec method, Arguments Arguments, Location loc,
bool dup_args, bool omit_args)
{
- ILGenerator ig = ec.ig;
bool struct_call = false;
bool this_call = false;
LocalTemporary this_arg = null;
- Type decl_type = method.DeclaringType;
+ TypeSpec decl_type = method.DeclaringType;
- if (IsMethodExcluded (method, loc))
+ // Speed up the check by not doing it on not allowed targets
+ if (method.ReturnType == TypeManager.void_type && method.IsConditionallyExcluded (loc))
return;
bool is_static = method.IsStatic;
// If this is ourselves, push "this"
//
if (!omit_args) {
- Type t = null;
- Type iexpr_type = instance_expr.Type;
+ TypeSpec t = null;
+ TypeSpec iexpr_type = instance_expr.Type;
//
// Push the instance expression
// avoid the overhead of doing this all the time.
if (dup_args)
- t = TypeManager.GetReferenceType (iexpr_type);
+ t = ReferenceContainer.MakeType (iexpr_type);
} else {
instance_expr.Emit (ec);
// FIXME: should use instance_expr is IMemoryLocation + constraint.
// to help JIT to produce better code
- ig.Emit (OpCodes.Box, instance_expr.Type);
+ ec.Emit (OpCodes.Box, instance_expr.Type);
t = TypeManager.object_type;
}
} else {
}
if (dup_args) {
- ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
if (Arguments != null && Arguments.Count != 0) {
this_arg = new LocalTemporary (t);
this_arg.Store (ec);
}
}
- }
- }
-
- if (!omit_args && Arguments != null)
- Arguments.Emit (ec, dup_args, this_arg);
-
- OpCode call_op;
- if (is_static || struct_call || is_base || (this_call && !method.IsVirtual)) {
- call_op = OpCodes.Call;
- } else {
- call_op = OpCodes.Callvirt;
-
-#if GMCS_SOURCE
- if ((instance_expr != null) && (instance_expr.Type.IsGenericParameter))
- ig.Emit (OpCodes.Constrained, instance_expr.Type);
-#endif
- }
-
- if ((method.CallingConvention & CallingConventions.VarArgs) != 0) {
- Type[] varargs_types = GetVarargsTypes (method, Arguments);
- ig.EmitCall (call_op, (MethodInfo) method, varargs_types);
- return;
- }
-
- //
- // If you have:
- // this.DoFoo ();
- // and DoFoo is not virtual, you can omit the callvirt,
- // because you don't need the null checking behavior.
- //
- if (method is MethodInfo)
- ig.Emit (call_op, (MethodInfo) method);
- else
- ig.Emit (call_op, (ConstructorInfo) method);
- }
-
- public override void Emit (EmitContext ec)
- {
- mg.EmitCall (ec, arguments);
- }
-
- public override void EmitStatement (EmitContext ec)
- {
- Emit (ec);
-
- //
- // Pop the return value if there is one
- //
- if (TypeManager.TypeToCoreType (type) != TypeManager.void_type)
- ec.ig.Emit (OpCodes.Pop);
- }
-
- protected override void CloneTo (CloneContext clonectx, Expression t)
- {
- Invocation target = (Invocation) t;
-
- if (arguments != null)
- target.arguments = arguments.Clone (clonectx);
-
- target.expr = expr.Clone (clonectx);
- }
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- mg.MutateHoistedGenericType (storey);
- type = storey.MutateType (type);
- if (arguments != null) {
- arguments.MutateHoistedGenericType (storey);
- }
- }
- }
-/*
- //
- // It's either a cast or delegate invocation
- //
- public class InvocationOrCast : ExpressionStatement
- {
- Expression expr;
- Expression argument;
-
- public InvocationOrCast (Expression expr, Expression argument)
- {
- this.expr = expr;
- this.argument = argument;
- this.loc = expr.Location;
- }
-
- public override Expression CreateExpressionTree (EmitContext ec)
- {
- throw new NotSupportedException ("ET");
- }
-
- public override Expression DoResolve (EmitContext ec)
- {
- Expression e = ResolveCore (ec);
- if (e == null)
- return null;
-
- return e.Resolve (ec);
- }
-
- Expression ResolveCore (EmitContext ec)
- {
- //
- // First try to resolve it as a cast.
- //
- TypeExpr te = expr.ResolveAsBaseTerminal (ec, true);
- if (te != null) {
- return new Cast (te, argument, loc);
+ }
}
- //
- // This can either be a type or a delegate invocation.
- // Let's just resolve it and see what we'll get.
- //
- expr = expr.Resolve (ec, ResolveFlags.Type | ResolveFlags.VariableOrValue);
- if (expr == null)
- return null;
+ if (!omit_args && Arguments != null)
+ Arguments.Emit (ec, dup_args, this_arg);
- //
- // Ok, so it's a Cast.
- //
- if (expr.eclass == ExprClass.Type || expr.eclass == ExprClass.TypeParameter) {
- return new Cast (expr, argument, loc);
+ OpCode call_op;
+ if (is_static || struct_call || is_base || (this_call && !method.IsVirtual)) {
+ call_op = OpCodes.Call;
+ } else {
+ call_op = OpCodes.Callvirt;
+
+ if ((instance_expr != null) && (instance_expr.Type.IsGenericParameter))
+ ec.Emit (OpCodes.Constrained, instance_expr.Type);
}
- if (expr.eclass == ExprClass.Namespace) {
- expr.Error_UnexpectedKind (null, "type", loc);
- return null;
- }
+ if (method.Parameters.HasArglist) {
+ Type[] varargs_types = GetVarargsTypes (method, Arguments);
+ ec.Emit (call_op, method, varargs_types);
+ return;
+ }
//
- // It's a delegate invocation.
+ // If you have:
+ // this.DoFoo ();
+ // and DoFoo is not virtual, you can omit the callvirt,
+ // because you don't need the null checking behavior.
//
- if (!TypeManager.IsDelegateType (expr.Type)) {
- Error (149, "Method name expected");
- return null;
- }
-
- ArrayList args = new ArrayList (1);
- args.Add (new Argument (argument, Argument.AType.Expression));
- return new DelegateInvocation (expr, args, loc);
- }
-
- public override ExpressionStatement ResolveStatement (EmitContext ec)
- {
- Expression e = ResolveCore (ec);
- if (e == null)
- return null;
-
- ExpressionStatement s = e as ExpressionStatement;
- if (s == null) {
- Error_InvalidExpressionStatement ();
- return null;
- }
-
- return s.ResolveStatement (ec);
+ ec.Emit (call_op, method);
}
public override void Emit (EmitContext ec)
{
- throw new Exception ("Cannot happen");
+ mg.EmitCall (ec, arguments);
}
-
+
public override void EmitStatement (EmitContext ec)
{
- throw new Exception ("Cannot happen");
+ Emit (ec);
+
+ //
+ // Pop the return value if there is one
+ //
+ if (type != TypeManager.void_type)
+ ec.Emit (OpCodes.Pop);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
{
- InvocationOrCast target = (InvocationOrCast) t;
+ Invocation target = (Invocation) t;
+
+ if (arguments != null)
+ target.arguments = arguments.Clone (clonectx);
target.expr = expr.Clone (clonectx);
- target.argument = argument.Clone (clonectx);
+ }
+
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
+ {
+ return MakeExpression (ctx, mg.InstanceExpression, (MethodSpec) mg, arguments);
+ }
+
+ public static SLE.Expression MakeExpression (BuilderContext ctx, Expression instance, MethodSpec mi, Arguments args)
+ {
+ var instance_expr = instance == null ? null : instance.MakeExpression (ctx);
+ return SLE.Expression.Call (instance_expr, (MethodInfo) mi.GetMetaInfo (), Arguments.MakeExpression (args, ctx));
}
}
-*/
/// <summary>
/// Implements the new expression
/// </summary>
public class New : ExpressionStatement, IMemoryLocation {
- Arguments Arguments;
+ protected Arguments Arguments;
//
// During bootstrap, it contains the RequestedType,
// but if `type' is not null, it *might* contain a NewDelegate
// (because of field multi-initialization)
//
- Expression RequestedType;
+ protected Expression RequestedType;
- MethodGroupExpr method;
-
- bool is_type_parameter;
+ protected MethodGroupExpr method;
public New (Expression requested_type, Arguments arguments, Location l)
{
/// <summary>
/// Converts complex core type syntax like 'new int ()' to simple constant
/// </summary>
- public static Constant Constantify (Type t)
+ public static Constant Constantify (TypeSpec t)
{
if (t == TypeManager.int32_type)
return new IntConstant (0, Location.Null);
if (t == TypeManager.decimal_type)
return new DecimalConstant (0, Location.Null);
if (TypeManager.IsEnumType (t))
- return new EnumConstant (Constantify (TypeManager.GetEnumUnderlyingType (t)), t);
+ return new EnumConstant (Constantify (EnumSpec.GetUnderlyingType (t)), t);
if (TypeManager.IsNullableType (t))
return Nullable.LiftedNull.Create (t, Location.Null);
// [ComImport, CoClass] attributes and must be treated
// specially
//
- public Expression CheckComImport (EmitContext ec)
+ public Expression CheckComImport (ResolveContext ec)
{
if (!type.IsInterface)
return null;
// Turn the call into:
// (the-interface-stated) (new class-referenced-in-coclassattribute ())
//
- Type real_class = AttributeTester.GetCoClassAttribute (type);
+ var real_class = type.MemberDefinition.GetAttributeCoClass ();
if (real_class == null)
return null;
return cast.Resolve (ec);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args;
if (method == null) {
args = new Arguments (1);
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
} else {
- args = Arguments.CreateForExpressionTree (ec, Arguments,
+ args = Arguments.CreateForExpressionTree (ec,
+ Arguments,
method.CreateExpressionTree (ec));
}
- return CreateExpressionFactoryCall ("New", args);
+ return CreateExpressionFactoryCall (ec, "New", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
//
// The New DoResolve might be called twice when initializing field
type = texpr.Type;
if (type.IsPointer) {
- Report.Error (1919, loc, "Unsafe type `{0}' cannot be used in an object creation expression",
+ ec.Report.Error (1919, loc, "Unsafe type `{0}' cannot be used in an object creation expression",
TypeManager.CSharpName (type));
return null;
}
if (Arguments == null) {
Constant c = Constantify (type);
if (c != null)
- return ReducedExpression.Create (c, this);
+ return ReducedExpression.Create (c.Resolve (ec), this);
}
if (TypeManager.IsDelegateType (type)) {
return (new NewDelegate (type, Arguments, loc)).Resolve (ec);
}
- if (TypeManager.IsGenericParameter (type)) {
- GenericConstraints gc = TypeManager.GetTypeParameterConstraints (type);
-
- if ((gc == null) || (!gc.HasConstructorConstraint && !gc.IsValueType)) {
- Error (304, String.Format (
- "Cannot create an instance of the " +
- "variable type '{0}' because it " +
- "doesn't have the new() constraint",
- type));
- return null;
+ var tparam = type as TypeParameterSpec;
+ if (tparam != null) {
+ if (!tparam.HasSpecialConstructor && !tparam.HasSpecialStruct) {
+ ec.Report.Error (304, loc,
+ "Cannot create an instance of the variable type `{0}' because it does not have the new() constraint",
+ TypeManager.CSharpName (type));
}
if ((Arguments != null) && (Arguments.Count != 0)) {
- Error (417, String.Format (
- "`{0}': cannot provide arguments " +
- "when creating an instance of a " +
- "variable type.", type));
- return null;
+ ec.Report.Error (417, loc,
+ "`{0}': cannot provide arguments when creating an instance of a variable type",
+ TypeManager.CSharpName (type));
}
if (TypeManager.activator_create_instance == null) {
- Type activator_type = TypeManager.CoreLookupType ("System", "Activator", Kind.Class, true);
+ TypeSpec activator_type = TypeManager.CoreLookupType (ec.Compiler, "System", "Activator", MemberKind.Class, true);
if (activator_type != null) {
TypeManager.activator_create_instance = TypeManager.GetPredefinedMethod (
- activator_type, "CreateInstance", loc, Type.EmptyTypes);
+ activator_type, MemberFilter.Method ("CreateInstance", 1, ParametersCompiled.EmptyReadOnlyParameters, null), loc);
}
}
- is_type_parameter = true;
eclass = ExprClass.Value;
return this;
}
- if (type.IsAbstract && type.IsSealed) {
- Report.SymbolRelatedToPreviousError (type);
- Report.Error (712, loc, "Cannot create an instance of the static class `{0}'", TypeManager.CSharpName (type));
+ if (type.IsStatic) {
+ ec.Report.SymbolRelatedToPreviousError (type);
+ ec.Report.Error (712, loc, "Cannot create an instance of the static class `{0}'", TypeManager.CSharpName (type));
return null;
}
return RequestedType;
}
- Report.SymbolRelatedToPreviousError (type);
- Report.Error (144, loc, "Cannot create an instance of the abstract class or interface `{0}'", TypeManager.CSharpName (type));
+ ec.Report.SymbolRelatedToPreviousError (type);
+ ec.Report.Error (144, loc, "Cannot create an instance of the abstract class or interface `{0}'", TypeManager.CSharpName (type));
return null;
}
return this;
// For member-lookup, treat 'new Foo (bar)' as call to 'foo.ctor (bar)', where 'foo' is of type 'Foo'.
- Expression ml = MemberLookupFinal (ec, type, type, ConstructorInfo.ConstructorName,
- MemberTypes.Constructor, AllBindingFlags | BindingFlags.DeclaredOnly, loc);
+ Expression ml = MemberLookupFinal (ec, type, type, ConstructorInfo.ConstructorName, 0,
+ MemberKind.Constructor, BindingRestriction.AccessibleOnly | BindingRestriction.DeclaredOnly, loc);
+ bool dynamic;
if (Arguments != null) {
- bool dynamic;
Arguments.Resolve (ec, out dynamic);
-
- if (dynamic) {
- Arguments.Insert (0, new Argument (new TypeOf (texpr, loc).Resolve (ec)));
- return new DynamicInvocation (new SimpleName (ConstructorInfo.ConstructorName, loc), Arguments, type, loc).Resolve (ec);
- }
+ } else {
+ dynamic = false;
}
if (ml == null)
method = ml as MethodGroupExpr;
if (method == null) {
- ml.Error_UnexpectedKind (ResolveFlags.MethodGroup, loc);
+ ml.Error_UnexpectedKind (ec, ResolveFlags.MethodGroup, loc);
return null;
}
if (method == null)
return null;
+ if (dynamic) {
+ Arguments.Insert (0, new Argument (new TypeOf (texpr, loc).Resolve (ec), Argument.AType.DynamicTypeName));
+ return new DynamicConstructorBinder (type, Arguments, loc).Resolve (ec);
+ }
+
return this;
}
bool DoEmitTypeParameter (EmitContext ec)
{
-#if GMCS_SOURCE
- ILGenerator ig = ec.ig;
-// IMemoryLocation ml;
+ var ctor_factory = TypeManager.activator_create_instance.MakeGenericMethod (type);
+ var tparam = (TypeParameterSpec) type;
- MethodInfo ci = TypeManager.activator_create_instance.MakeGenericMethod (
- new Type [] { type });
-
- GenericConstraints gc = TypeManager.GetTypeParameterConstraints (type);
- if (gc.HasReferenceTypeConstraint || gc.HasClassConstraint) {
- ig.Emit (OpCodes.Call, ci);
+ if (tparam.IsReferenceType) {
+ ec.Emit (OpCodes.Call, ctor_factory);
return true;
}
// you can't share LocalBuilders among ILGeneators.
LocalTemporary temp = new LocalTemporary (type);
- Label label_activator = ig.DefineLabel ();
- Label label_end = ig.DefineLabel ();
+ Label label_activator = ec.DefineLabel ();
+ Label label_end = ec.DefineLabel ();
temp.AddressOf (ec, AddressOp.Store);
- ig.Emit (OpCodes.Initobj, type);
+ ec.Emit (OpCodes.Initobj, type);
temp.Emit (ec);
- ig.Emit (OpCodes.Box, type);
- ig.Emit (OpCodes.Brfalse, label_activator);
+ ec.Emit (OpCodes.Box, type);
+ ec.Emit (OpCodes.Brfalse, label_activator);
temp.AddressOf (ec, AddressOp.Store);
- ig.Emit (OpCodes.Initobj, type);
+ ec.Emit (OpCodes.Initobj, type);
temp.Emit (ec);
- ig.Emit (OpCodes.Br_S, label_end);
+ ec.Emit (OpCodes.Br_S, label_end);
- ig.MarkLabel (label_activator);
+ ec.MarkLabel (label_activator);
- ig.Emit (OpCodes.Call, ci);
- ig.MarkLabel (label_end);
+ ec.Emit (OpCodes.Call, ctor_factory);
+ ec.MarkLabel (label_end);
return true;
-#else
- throw new InternalErrorException ();
-#endif
}
//
public virtual bool Emit (EmitContext ec, IMemoryLocation target)
{
bool is_value_type = TypeManager.IsValueType (type);
- ILGenerator ig = ec.ig;
VariableReference vr = target as VariableReference;
if (target != null && is_value_type && (vr != null || method == null)) {
if (is_value_type) {
if (method == null) {
- ig.Emit (OpCodes.Initobj, type);
+ ec.Emit (OpCodes.Initobj, type);
return false;
}
if (vr != null) {
- ig.Emit (OpCodes.Call, (ConstructorInfo) method);
+ ec.Emit (OpCodes.Call, method.BestCandidate);
return false;
}
}
- if (is_type_parameter)
+ if (type is TypeParameterSpec)
return DoEmitTypeParameter (ec);
- ConstructorInfo ci = (ConstructorInfo) method;
-#if MS_COMPATIBLE
- if (TypeManager.IsGenericType (type))
- ci = TypeBuilder.GetConstructor (type, ci);
-#endif
-
- ig.Emit (OpCodes.Newobj, ci);
+ ec.Emit (OpCodes.Newobj, method.BestCandidate);
return true;
}
}
if (Emit (ec, v))
- ec.ig.Emit (OpCodes.Pop);
- }
-
- public bool IsDefaultValueType {
- get {
- return TypeManager.IsValueType (type) && !HasInitializer && Arguments == null;
- }
+ ec.Emit (OpCodes.Pop);
}
public virtual bool HasInitializer {
{
LocalTemporary value_target = new LocalTemporary (type);
- if (is_type_parameter) {
+ if (type is TypeParameterSpec) {
DoEmitTypeParameter (ec);
value_target.Store (ec);
value_target.AddressOf (ec, mode);
value_target.AddressOf (ec, AddressOp.Store);
if (method == null) {
- ec.ig.Emit (OpCodes.Initobj, type);
+ ec.Emit (OpCodes.Initobj, type);
} else {
if (Arguments != null)
Arguments.Emit (ec);
- ec.ig.Emit (OpCodes.Call, (ConstructorInfo) method);
+ ec.Emit (OpCodes.Call, method.BestCandidate);
}
value_target.AddressOf (ec, mode);
}
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- if (method != null) {
- method.MutateHoistedGenericType (storey);
- if (Arguments != null) {
- Arguments.MutateHoistedGenericType (storey);
- }
- }
+ return SLE.Expression.New ((ConstructorInfo) method.BestCandidate.GetMetaInfo (), Arguments.MakeExpression (Arguments, ctx));
+ }
+ }
+
+ public class ArrayInitializer : ShimExpression
+ {
+ List<Expression> elements;
+
+ public ArrayInitializer (List<Expression> init, Location loc)
+ : base (null)
+ {
+ elements = init;
+ }
+
+ public ArrayInitializer (int count, Location loc)
+ : base (null)
+ {
+ elements = new List<Expression> (count);
+ }
+
+ public ArrayInitializer (Location loc)
+ : this (4, loc)
+ {
+ }
+
+ public void Add (Expression expr)
+ {
+ elements.Add (expr);
+ }
+
+ protected override void CloneTo (CloneContext clonectx, Expression t)
+ {
+ var target = (ArrayInitializer) t;
+
+ target.elements = new List<Expression> (elements.Count);
+ foreach (var element in elements)
+ target.elements.Add (element.Clone (clonectx));
+
+ base.CloneTo (clonectx, t);
+ }
+
+ public int Count {
+ get { return elements.Count; }
+ }
- type = storey.MutateType (type);
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public Expression this [int index] {
+ get { return elements [index]; }
}
}
/// initialization data and the other which does not need dimensions
/// specified but where initialization data is mandatory.
/// </remarks>
- public class ArrayCreation : Expression {
+ class ArrayCreation : Expression
+ {
FullNamedExpression requested_base_type;
- ArrayList initializers;
+ ArrayInitializer initializers;
//
// The list of Argument types.
// This is used to construct the `newarray' or constructor signature
//
- protected ArrayList arguments;
+ protected List<Expression> arguments;
- protected Type array_element_type;
+ protected TypeSpec array_element_type;
bool expect_initializers = false;
int num_arguments = 0;
protected int dimensions;
protected readonly string rank;
+ Expression first_emit;
+ LocalTemporary first_emit_temp;
- protected ArrayList array_data;
+ protected List<Expression> array_data;
- IDictionary bounds;
+ Dictionary<int, int> bounds;
// The number of constants in array initializers
int const_initializers_count;
bool only_constant_initializers;
-
- public ArrayCreation (FullNamedExpression requested_base_type, ArrayList exprs, string rank, ArrayList initializers, Location l)
+
+ public ArrayCreation (FullNamedExpression requested_base_type, List<Expression> exprs, string rank, ArrayInitializer initializers, Location l)
{
this.requested_base_type = requested_base_type;
this.initializers = initializers;
this.rank = rank;
loc = l;
- arguments = new ArrayList (exprs.Count);
-
- foreach (Expression e in exprs) {
- arguments.Add (e);
- num_arguments++;
- }
+ arguments = new List<Expression> (exprs);
+ num_arguments = arguments.Count;
}
- public ArrayCreation (FullNamedExpression requested_base_type, string rank, ArrayList initializers, Location l)
+ public ArrayCreation (FullNamedExpression requested_base_type, string rank, ArrayInitializer initializers, Location l)
{
this.requested_base_type = requested_base_type;
this.initializers = initializers;
expect_initializers = true;
}
- public static void Error_IncorrectArrayInitializer (Location loc)
- {
- Report.Error (178, loc, "Invalid rank specifier: expected `,' or `]'");
- }
-
- protected override void Error_NegativeArrayIndex (Location loc)
+ protected override void Error_NegativeArrayIndex (ResolveContext ec, Location loc)
{
- Report.Error (248, loc, "Cannot create an array with a negative size");
+ ec.Report.Error (248, loc, "Cannot create an array with a negative size");
}
- bool CheckIndices (EmitContext ec, ArrayList probe, int idx, bool specified_dims, int child_bounds)
+ bool CheckIndices (ResolveContext ec, ArrayInitializer probe, int idx, bool specified_dims, int child_bounds)
{
if (specified_dims) {
- Expression a = (Expression) arguments [idx];
+ Expression a = arguments [idx];
a = a.Resolve (ec);
if (a == null)
return false;
}
if (c == null) {
- Report.Error (150, a.Location, "A constant value is expected");
+ ec.Report.Error (150, a.Location, "A constant value is expected");
return false;
}
int value = (int) c.GetValue ();
if (value != probe.Count) {
- Report.Error (847, loc, "An array initializer of length `{0}' was expected", value);
+ ec.Report.Error (847, loc, "An array initializer of length `{0}' was expected", value.ToString ());
return false;
}
only_constant_initializers = true;
for (int i = 0; i < probe.Count; ++i) {
- object o = probe [i];
- if (o is ArrayList) {
- ArrayList sub_probe = o as ArrayList;
+ var o = probe [i];
+ if (o is ArrayInitializer) {
+ var sub_probe = o as ArrayInitializer;
if (idx + 1 >= dimensions){
- Error (623, "Array initializers can only be used in a variable or field initializer. Try using a new expression instead");
+ ec.Report.Error (623, loc, "Array initializers can only be used in a variable or field initializer. Try using a new expression instead");
return false;
}
if (!ret)
return false;
} else if (child_bounds > 1) {
- Report.Error (846, ((Expression) o).Location, "A nested array initializer was expected");
+ ec.Report.Error (846, o.Location, "A nested array initializer was expected");
} else {
- Expression element = ResolveArrayElement (ec, (Expression) o);
+ Expression element = ResolveArrayElement (ec, o);
if (element == null)
continue;
// Initializers with the default values can be ignored
Constant c = element as Constant;
if (c != null) {
- if (c.IsDefaultInitializer (array_element_type)) {
- element = null;
- }
- else {
+ if (!c.IsDefaultInitializer (array_element_type)) {
++const_initializers_count;
}
} else {
return true;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args;
if (array_data == null) {
args = new Arguments (arguments.Count + 1);
args.Add (new Argument (new TypeOf (new TypeExpression (array_element_type, loc), loc)));
- foreach (Expression a in arguments) {
- if (arguments.Count == 1) {
- Constant c = a as Constant;
- if (c.IsDefaultValue)
- return CreateExpressionFactoryCall ("NewArrayInit", args);
- }
+ foreach (Expression a in arguments)
args.Add (new Argument (a.CreateExpressionTree (ec)));
- }
- return CreateExpressionFactoryCall ("NewArrayBounds", args);
+ return CreateExpressionFactoryCall (ec, "NewArrayBounds", args);
}
if (dimensions > 1) {
- Report.Error (838, loc, "An expression tree cannot contain a multidimensional array initializer");
+ ec.Report.Error (838, loc, "An expression tree cannot contain a multidimensional array initializer");
return null;
}
args.Add (new Argument (new TypeOf (new TypeExpression (array_element_type, loc), loc)));
if (array_data != null) {
for (int i = 0; i < array_data.Count; ++i) {
- Expression e = (Expression) array_data [i];
- if (e == null)
- e = Convert.ImplicitConversion (ec, (Expression) initializers [i], array_element_type, loc);
-
+ Expression e = array_data [i];
args.Add (new Argument (e.CreateExpressionTree (ec)));
}
}
- return CreateExpressionFactoryCall ("NewArrayInit", args);
+ return CreateExpressionFactoryCall (ec, "NewArrayInit", args);
}
public void UpdateIndices ()
{
int i = 0;
- for (ArrayList probe = initializers; probe != null;) {
- if (probe.Count > 0 && probe [0] is ArrayList) {
+ for (var probe = initializers; probe != null;) {
+ if (probe.Count > 0 && probe [0] is ArrayInitializer) {
Expression e = new IntConstant (probe.Count, Location.Null);
arguments.Add (e);
- bounds [i++] = probe.Count;
-
- probe = (ArrayList) probe [0];
+ bounds [i++] = probe.Count;
+
+ probe = (ArrayInitializer) probe[0];
} else {
Expression e = new IntConstant (probe.Count, Location.Null);
return;
}
}
-
}
- Expression first_emit;
- LocalTemporary first_emit_temp;
-
- protected virtual Expression ResolveArrayElement (EmitContext ec, Expression element)
+ protected virtual Expression ResolveArrayElement (ResolveContext ec, Expression element)
{
element = element.Resolve (ec);
if (element == null)
ec, element, array_element_type, loc);
}
- protected bool ResolveInitializers (EmitContext ec)
+ protected bool ResolveInitializers (ResolveContext ec)
{
if (initializers == null) {
return !expect_initializers;
// We use this to store all the date values in the order in which we
// will need to store them in the byte blob later
//
- array_data = new ArrayList ();
- bounds = new System.Collections.Specialized.HybridDictionary ();
+ array_data = new List<Expression> ();
+ bounds = new Dictionary<int, int> ();
if (arguments != null)
return CheckIndices (ec, initializers, 0, true, dimensions);
- arguments = new ArrayList ();
+ arguments = new List<Expression> ();
if (!CheckIndices (ec, initializers, 0, false, dimensions))
return false;
//
// Resolved the type of the array
//
- bool ResolveArrayType (EmitContext ec)
+ bool ResolveArrayType (ResolveContext ec)
{
- if (requested_base_type == null) {
- Report.Error (622, loc, "Can only use array initializer expressions to assign to array types. Try using a new expression instead");
- return false;
- }
-
if (requested_base_type is VarExpr) {
- Report.Error (820, loc, "An implicitly typed local variable declarator cannot use an array initializer");
+ ec.Report.Error (820, loc, "An implicitly typed local variable declarator cannot use an array initializer");
return false;
}
- StringBuilder array_qualifier = new StringBuilder (rank);
+ StringBuilder array_qualifier = new StringBuilder ();
//
// `In the first form allocates an array instace of the type that results
array_qualifier.Append ("]");
}
+ array_qualifier.Append (rank);
+
//
// Lookup the type
//
return false;
type = array_type_expr.Type;
- array_element_type = TypeManager.GetElementType (type);
- dimensions = type.GetArrayRank ();
+ var ac = type as ArrayContainer;
+ if (ac == null) {
+ ec.Report.Error (622, loc, "Can only use array initializer expressions to assign to array types. Try using a new expression instead");
+ return false;
+ }
+
+ array_element_type = ac.Element;
+ dimensions = ac.Rank;
return true;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (type != null)
return this;
return null;
for (int i = 0; i < arguments.Count; ++i) {
- Expression e = ((Expression) arguments[i]).Resolve (ec);
+ Expression e = arguments[i].Resolve (ec);
if (e == null)
continue;
return this;
}
- MethodInfo GetArrayMethod (int arguments)
- {
- ModuleBuilder mb = RootContext.ToplevelTypes.Builder;
-
- Type[] arg_types = new Type[arguments];
- for (int i = 0; i < arguments; i++)
- arg_types[i] = TypeManager.int32_type;
-
- MethodInfo mi = mb.GetArrayMethod (type, ".ctor", CallingConventions.HasThis, null,
- arg_types);
-
- if (mi == null) {
- Report.Error (-6, "New invocation: Can not find a constructor for " +
- "this argument list");
- return null;
- }
-
- return mi;
- }
-
byte [] MakeByteBlob ()
{
int factor;
byte [] element;
int count = array_data.Count;
- if (TypeManager.IsEnumType (array_element_type))
- array_element_type = TypeManager.GetEnumUnderlyingType (array_element_type);
-
- factor = GetTypeSize (array_element_type);
+ TypeSpec element_type = array_element_type;
+ if (TypeManager.IsEnumType (element_type))
+ element_type = EnumSpec.GetUnderlyingType (element_type);
+
+ factor = GetTypeSize (element_type);
if (factor == 0)
- throw new Exception ("unrecognized type in MakeByteBlob: " + array_element_type);
+ throw new Exception ("unrecognized type in MakeByteBlob: " + element_type);
data = new byte [(count * factor + 3) & ~3];
int idx = 0;
continue;
}
- if (array_element_type == TypeManager.int64_type){
+ if (element_type == TypeManager.int64_type){
if (!(v is Expression)){
long val = (long) v;
val = (val >> 8);
}
}
- } else if (array_element_type == TypeManager.uint64_type){
+ } else if (element_type == TypeManager.uint64_type){
if (!(v is Expression)){
ulong val = (ulong) v;
val = (val >> 8);
}
}
- } else if (array_element_type == TypeManager.float_type) {
+ } else if (element_type == TypeManager.float_type) {
if (!(v is Expression)){
element = BitConverter.GetBytes ((float) v);
if (!BitConverter.IsLittleEndian)
System.Array.Reverse (data, idx, 4);
}
- } else if (array_element_type == TypeManager.double_type) {
+ } else if (element_type == TypeManager.double_type) {
if (!(v is Expression)){
element = BitConverter.GetBytes ((double) v);
if (!BitConverter.IsLittleEndian)
System.Array.Reverse (data, idx, 8);
}
- } else if (array_element_type == TypeManager.char_type){
+ } else if (element_type == TypeManager.char_type){
if (!(v is Expression)){
int val = (int) ((char) v);
data [idx] = (byte) (val & 0xff);
data [idx+1] = (byte) (val >> 8);
}
- } else if (array_element_type == TypeManager.short_type){
+ } else if (element_type == TypeManager.short_type){
if (!(v is Expression)){
int val = (int) ((short) v);
data [idx] = (byte) (val & 0xff);
data [idx+1] = (byte) (val >> 8);
}
- } else if (array_element_type == TypeManager.ushort_type){
+ } else if (element_type == TypeManager.ushort_type){
if (!(v is Expression)){
int val = (int) ((ushort) v);
data [idx] = (byte) (val & 0xff);
data [idx+1] = (byte) (val >> 8);
}
- } else if (array_element_type == TypeManager.int32_type) {
+ } else if (element_type == TypeManager.int32_type) {
if (!(v is Expression)){
int val = (int) v;
data [idx+2] = (byte) ((val >> 16) & 0xff);
data [idx+3] = (byte) (val >> 24);
}
- } else if (array_element_type == TypeManager.uint32_type) {
+ } else if (element_type == TypeManager.uint32_type) {
if (!(v is Expression)){
uint val = (uint) v;
data [idx+2] = (byte) ((val >> 16) & 0xff);
data [idx+3] = (byte) (val >> 24);
}
- } else if (array_element_type == TypeManager.sbyte_type) {
+ } else if (element_type == TypeManager.sbyte_type) {
if (!(v is Expression)){
sbyte val = (sbyte) v;
data [idx] = (byte) val;
}
- } else if (array_element_type == TypeManager.byte_type) {
+ } else if (element_type == TypeManager.byte_type) {
if (!(v is Expression)){
byte val = (byte) v;
data [idx] = (byte) val;
}
- } else if (array_element_type == TypeManager.bool_type) {
+ } else if (element_type == TypeManager.bool_type) {
if (!(v is Expression)){
bool val = (bool) v;
data [idx] = (byte) (val ? 1 : 0);
}
- } else if (array_element_type == TypeManager.decimal_type){
+ } else if (element_type == TypeManager.decimal_type){
if (!(v is Expression)){
int [] bits = Decimal.GetBits ((decimal) v);
int p = idx;
data [p++] = (byte) (nbits [j] >> 24);
}
}
- } else
- throw new Exception ("Unrecognized type in MakeByteBlob: " + array_element_type);
+ } else {
+ throw new Exception ("Unrecognized type in MakeByteBlob: " + element_type);
+ }
- idx += factor;
+ idx += factor;
}
return data;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+#if NET_4_0
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- array_element_type = storey.MutateType (array_element_type);
- type = storey.MutateType (type);
- if (arguments != null) {
- foreach (Expression e in arguments)
- e.MutateHoistedGenericType (storey);
+ var initializers = new SLE.Expression [array_data.Count];
+ for (var i = 0; i < initializers.Length; i++) {
+ if (array_data [i] == null)
+ initializers [i] = SLE.Expression.Default (array_element_type.GetMetaInfo ());
+ else
+ initializers [i] = array_data [i].MakeExpression (ctx);
}
-
- if (array_data != null) {
- foreach (Expression e in array_data) {
- // Don't mutate values optimized away
- if (e == null)
- continue;
- e.MutateHoistedGenericType (storey);
- }
- }
+ return SLE.Expression.NewArrayInit (array_element_type.GetMetaInfo (), initializers);
}
-
+#endif
//
// Emits the initializers for the array
//
// First, the static data
//
FieldBuilder fb;
- ILGenerator ig = ec.ig;
byte [] data = MakeByteBlob ();
fb = RootContext.MakeStaticData (data);
- ig.Emit (OpCodes.Dup);
- ig.Emit (OpCodes.Ldtoken, fb);
- ig.Emit (OpCodes.Call,
- TypeManager.void_initializearray_array_fieldhandle);
+ ec.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Ldtoken, fb);
+ ec.Emit (OpCodes.Call, TypeManager.void_initializearray_array_fieldhandle);
}
//
//
void EmitDynamicInitializers (EmitContext ec, bool emitConstants)
{
- ILGenerator ig = ec.ig;
int dims = bounds.Count;
int [] current_pos = new int [dims];
- MethodInfo set = null;
-
- if (dims != 1){
- Type [] args = new Type [dims + 1];
-
- for (int j = 0; j < dims; j++)
- args [j] = TypeManager.int32_type;
- args [dims] = array_element_type;
-
- set = RootContext.ToplevelTypes.Builder.GetArrayMethod (
- type, "Set",
- CallingConventions.HasThis | CallingConventions.Standard,
- TypeManager.void_type, args);
- }
-
for (int i = 0; i < array_data.Count; i++){
- Expression e = (Expression)array_data [i];
+ Expression e = array_data [i];
+ var c = e as Constant;
// Constant can be initialized via StaticInitializer
- if (e != null && !(!emitConstants && e is Constant)) {
- Type etype = e.Type;
+ if (c == null || (c != null && emitConstants && !c.IsDefaultInitializer (array_element_type))) {
+ TypeSpec etype = e.Type;
- ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
for (int idx = 0; idx < dims; idx++)
- IntConstant.EmitInt (ig, current_pos [idx]);
+ ec.EmitInt (current_pos [idx]);
//
// If we are dealing with a struct, get the
(!TypeManager.IsBuiltinOrEnum (etype) ||
etype == TypeManager.decimal_type)) {
- ig.Emit (OpCodes.Ldelema, etype);
+ ec.Emit (OpCodes.Ldelema, etype);
}
e.Emit (ec);
- if (dims == 1) {
- bool is_stobj, has_type_arg;
- OpCode op = ArrayAccess.GetStoreOpcode (etype, out is_stobj, out has_type_arg);
- if (is_stobj)
- ig.Emit (OpCodes.Stobj, etype);
- else if (has_type_arg)
- ig.Emit (op, etype);
- else
- ig.Emit (op);
- } else
- ig.Emit (OpCodes.Call, set);
-
+ ec.EmitArrayStore ((ArrayContainer) type);
}
//
//
for (int j = dims - 1; j >= 0; j--){
current_pos [j]++;
- if (current_pos [j] < (int) bounds [j])
+ if (current_pos [j] < bounds [j])
break;
current_pos [j] = 0;
}
public override void Emit (EmitContext ec)
{
- ILGenerator ig = ec.ig;
-
if (first_emit != null) {
first_emit.Emit (ec);
first_emit_temp.Store (ec);
foreach (Expression e in arguments)
e.Emit (ec);
- if (arguments.Count == 1)
- ig.Emit (OpCodes.Newarr, array_element_type);
- else {
- ig.Emit (OpCodes.Newobj, GetArrayMethod (arguments.Count));
- }
+ ec.EmitArrayNew ((ArrayContainer) type);
if (initializers == null)
return;
- // Emit static initializer for arrays which have contain more than 4 items and
+ // Emit static initializer for arrays which have contain more than 2 items and
// the static initializer will initialize at least 25% of array values.
// NOTE: const_initializers_count does not contain default constant values.
- if (const_initializers_count >= 4 && const_initializers_count * 4 > (array_data.Count) &&
- TypeManager.IsPrimitiveType (array_element_type)) {
+ if (const_initializers_count > 2 && const_initializers_count * 4 > (array_data.Count) &&
+ (TypeManager.IsPrimitiveType (array_element_type) || TypeManager.IsEnumType (array_element_type))) {
EmitStaticInitializers (ec);
if (!only_constant_initializers)
first_emit_temp.Release (ec);
}
- public override bool GetAttributableValue (EmitContext ec, Type value_type, out object value)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
{
- if (arguments.Count != 1) {
- // Report.Error (-211, Location, "attribute can not encode multi-dimensional arrays");
- return base.GetAttributableValue (ec, null, out value);
+ // no multi dimensional or jagged arrays
+ if (arguments.Count != 1 || array_element_type.IsArray) {
+ base.EncodeAttributeValue (rc, enc, targetType);
+ return;
}
- if (array_data == null) {
- Constant c = (Constant) arguments [0];
- if (c.IsDefaultValue) {
- value = Array.CreateInstance (array_element_type, 0);
- return true;
+ // No array covariance, except for array -> object
+ if (type != targetType) {
+ if (targetType != TypeManager.object_type) {
+ base.EncodeAttributeValue (rc, enc, targetType);
+ return;
}
- // Report.Error (-212, Location, "array should be initialized when passing it to an attribute");
- return base.GetAttributableValue (ec, null, out value);
- }
-
- Array ret = Array.CreateInstance (array_element_type, array_data.Count);
- object element_value;
- for (int i = 0; i < ret.Length; ++i)
- {
- Expression e = (Expression)array_data [i];
- // Is null when an initializer is optimized (value == predefined value)
- if (e == null)
- continue;
+ enc.Encode (type);
+ }
- if (!e.GetAttributableValue (ec, array_element_type, out element_value)) {
- value = null;
- return false;
+ // Single dimensional array of 0 size
+ if (array_data == null) {
+ IntConstant ic = arguments[0] as IntConstant;
+ if (ic == null || !ic.IsDefaultValue) {
+ base.EncodeAttributeValue (rc, enc, targetType);
+ } else {
+ enc.Stream.Write (0);
}
- ret.SetValue (element_value, i);
+
+ return;
+ }
+
+ enc.Stream.Write ((int) array_data.Count);
+ foreach (var element in array_data) {
+ element.EncodeAttributeValue (rc, enc, array_element_type);
}
- value = ret;
- return true;
}
protected override void CloneTo (CloneContext clonectx, Expression t)
target.requested_base_type = (FullNamedExpression)requested_base_type.Clone (clonectx);
if (arguments != null){
- target.arguments = new ArrayList (arguments.Count);
+ target.arguments = new List<Expression> (arguments.Count);
foreach (Expression e in arguments)
target.arguments.Add (e.Clone (clonectx));
}
- if (initializers != null){
- target.initializers = new ArrayList (initializers.Count);
- foreach (object initializer in initializers)
- if (initializer is ArrayList) {
- ArrayList this_al = (ArrayList)initializer;
- ArrayList al = new ArrayList (this_al.Count);
- target.initializers.Add (al);
- foreach (Expression e in this_al)
- al.Add (e.Clone (clonectx));
- } else {
- target.initializers.Add (((Expression)initializer).Clone (clonectx));
- }
- }
+ if (initializers != null)
+ target.initializers = (ArrayInitializer) initializers.Clone (clonectx);
}
}
//
// Represents an implicitly typed array epxression
//
- public class ImplicitlyTypedArrayCreation : ArrayCreation
+ class ImplicitlyTypedArrayCreation : ArrayCreation
{
- public ImplicitlyTypedArrayCreation (string rank, ArrayList initializers, Location loc)
+ public ImplicitlyTypedArrayCreation (string rank, ArrayInitializer initializers, Location loc)
: base (null, rank, initializers, loc)
- {
- if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (loc, "implicitly typed arrays");
-
+ {
if (rank.Length > 2) {
while (rank [++dimensions] == ',');
} else {
}
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (type != null)
return this;
if (array_element_type == null || array_element_type == TypeManager.null_type ||
array_element_type == TypeManager.void_type || array_element_type == InternalType.AnonymousMethod ||
+ array_element_type == InternalType.MethodGroup ||
arguments.Count != dimensions) {
- Error_NoBestType ();
+ Error_NoBestType (ec);
return null;
}
return this;
}
- void Error_NoBestType ()
+ void Error_NoBestType (ResolveContext ec)
{
- Report.Error (826, loc,
+ ec.Report.Error (826, loc,
"The type of an implicitly typed array cannot be inferred from the initializer. Try specifying array type explicitly");
}
//
// Converts static initializer only
//
- void UnifyInitializerElement (EmitContext ec)
+ void UnifyInitializerElement (ResolveContext ec)
{
for (int i = 0; i < array_data.Count; ++i) {
Expression e = (Expression)array_data[i];
}
}
- protected override Expression ResolveArrayElement (EmitContext ec, Expression element)
+ protected override Expression ResolveArrayElement (ResolveContext ec, Expression element)
{
element = element.Resolve (ec);
if (element == null)
return element;
}
- Error_NoBestType ();
+ Error_NoBestType (ec);
return null;
}
}
{
}
- public CompilerGeneratedThis (Type type, Location loc)
+ public CompilerGeneratedThis (TypeSpec type, Location loc)
: base (loc)
{
this.type = type;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
if (type == null)
type = ec.CurrentType;
+
+ is_struct = TypeManager.IsStruct (type);
return this;
}
- public override HoistedVariable GetHoistedVariable (EmitContext ec)
+ public override HoistedVariable GetHoistedVariable (AnonymousExpression ae)
{
return null;
}
public void Emit (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Ldarg_0);
+ ec.Emit (OpCodes.Ldarg_0);
}
public void EmitAssign (EmitContext ec)
public void EmitAddressOf (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Ldarg_0);
+ ec.Emit (OpCodes.Ldarg_0);
}
}
Block block;
VariableInfo variable_info;
- bool is_struct;
+ protected bool is_struct;
public This (Block block, Location loc)
{
get { return false; }
}
- public override HoistedVariable GetHoistedVariable (EmitContext ec)
+ public override HoistedVariable GetHoistedVariable (AnonymousExpression ae)
{
- // Is null when probing IsHoisted
- if (ec == null)
- return null;
-
- if (ec.CurrentAnonymousMethod == null)
+ if (ae == null)
return null;
- AnonymousMethodStorey storey = ec.CurrentAnonymousMethod.Storey;
+ AnonymousMethodStorey storey = ae.Storey;
while (storey != null) {
AnonymousMethodStorey temp = storey.Parent as AnonymousMethodStorey;
if (temp == null)
get { return ThisVariable.Instance; }
}
- public static bool IsThisAvailable (EmitContext ec)
+ public static bool IsThisAvailable (ResolveContext ec)
{
- if (ec.IsStatic || ec.HasAny (EmitContext.Options.FieldInitializerScope | EmitContext.Options.BaseInitializer | EmitContext.Options.ConstantScope))
+ if (ec.IsStatic || ec.HasAny (ResolveContext.Options.FieldInitializerScope | ResolveContext.Options.BaseInitializer | ResolveContext.Options.ConstantScope))
return false;
if (ec.CurrentAnonymousMethod == null)
return true;
- if (ec.CurrentType.IsValueType && ec.CurrentIterator == null)
+ if (TypeManager.IsStruct (ec.CurrentType) && ec.CurrentIterator == null)
return false;
return true;
}
- public bool ResolveBase (EmitContext ec)
+ public bool ResolveBase (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return true;
-
eclass = ExprClass.Variable;
type = ec.CurrentType;
if (!IsThisAvailable (ec)) {
- if (ec.IsStatic) {
- Error (26, "Keyword `this' is not valid in a static property, static method, or static field initializer");
+ if (ec.IsStatic && !ec.HasSet (ResolveContext.Options.ConstantScope)) {
+ ec.Report.Error (26, loc, "Keyword `this' is not valid in a static property, static method, or static field initializer");
} else if (ec.CurrentAnonymousMethod != null) {
- Report.Error (1673, loc,
+ ec.Report.Error (1673, loc,
"Anonymous methods inside structs cannot access instance members of `this'. " +
"Consider copying `this' to a local variable outside the anonymous method and using the local instead");
} else {
- Error (27, "Keyword `this' is not available in the current context");
+ ec.Report.Error (27, loc, "Keyword `this' is not available in the current context");
}
}
- is_struct = type.IsValueType;
+ is_struct = TypeManager.IsStruct (type);
if (block != null) {
if (block.Toplevel.ThisVariable != null)
//
// Called from Invocation to check if the invocation is correct
//
- public override void CheckMarshalByRefAccess (EmitContext ec)
+ public override void CheckMarshalByRefAccess (ResolveContext ec)
{
if ((variable_info != null) && !(TypeManager.IsStruct (type) && ec.OmitStructFlowAnalysis) &&
!variable_info.IsAssigned (ec)) {
- Error (188, "The `this' object cannot be used before all of its " +
- "fields are assigned to");
+ ec.Report.Error (188, loc,
+ "The `this' object cannot be used before all of its fields are assigned to");
variable_info.SetAssigned (ec);
}
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (1);
args.Add (new Argument (this));
// Use typeless constant for ldarg.0 to save some
// space and avoid problems with anonymous stories
- return CreateExpressionFactoryCall ("Constant", args);
+ return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
ResolveBase (ec);
return this;
}
- override public Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ override public Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
if (!ResolveBase (ec))
return null;
if (ec.CurrentType.IsClass){
if (right_side == EmptyExpression.UnaryAddress)
- Report.Error (459, loc, "Cannot take the address of `this' because it is read-only");
- else if (right_side == EmptyExpression.OutAccess)
- Report.Error (1605, loc, "Cannot pass `this' as a ref or out argument because it is read-only");
+ ec.Report.Error (459, loc, "Cannot take the address of `this' because it is read-only");
+ else if (right_side == EmptyExpression.OutAccess.Instance)
+ ec.Report.Error (1605, loc, "Cannot pass `this' as a ref or out argument because it is read-only");
else
- Report.Error (1604, loc, "Cannot assign to `this' because it is read-only");
+ ec.Report.Error (1604, loc, "Cannot assign to `this' because it is read-only");
}
return this;
this.loc = loc;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
type = TypeManager.runtime_argument_handle_type;
- if (ec.HasSet (EmitContext.Options.FieldInitializerScope) || !ec.CurrentBlock.Toplevel.Parameters.HasArglist) {
- Error (190, "The __arglist construct is valid only within " +
- "a variable argument method");
+ if (ec.HasSet (ResolveContext.Options.FieldInitializerScope) || !ec.CurrentBlock.Toplevel.Parameters.HasArglist) {
+ ec.Report.Error (190, loc,
+ "The __arglist construct is valid only within a variable argument method");
}
return this;
public override void Emit (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Arglist);
+ ec.Emit (OpCodes.Arglist);
}
protected override void CloneTo (CloneContext clonectx, Expression target)
public Type[] ArgumentTypes {
get {
if (Arguments == null)
- return Type.EmptyTypes;
+ return System.Type.EmptyTypes;
- Type[] retval = new Type [Arguments.Count];
+ var retval = new Type [Arguments.Count];
for (int i = 0; i < retval.Length; i++)
- retval [i] = Arguments [i].Expr.Type;
+ retval[i] = Arguments[i].Expr.Type.GetMetaInfo ();
return retval;
}
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Report.Error (1952, loc, "An expression tree cannot contain a method with variable arguments");
+ ec.Report.Error (1952, loc, "An expression tree cannot contain a method with variable arguments");
return null;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
type = InternalType.Arglist;
Arguments.Emit (ec);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- if (Arguments != null)
- Arguments.MutateHoistedGenericType (storey);
- }
-
protected override void CloneTo (CloneContext clonectx, Expression t)
{
Arglist target = (Arglist) t;
/// </summary>
public class TypeOf : Expression {
Expression QueriedType;
- protected Type typearg;
+ protected TypeSpec typearg;
public TypeOf (Expression queried_type, Location l)
{
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (this));
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
- return CreateExpressionFactoryCall ("Constant", args);
+ return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return this;
-
TypeExpr texpr = QueriedType.ResolveAsTypeTerminal (ec, false);
if (texpr == null)
return null;
typearg = texpr.Type;
if (typearg == TypeManager.void_type) {
- Report.Error (673, loc, "System.Void cannot be used from C#. Use typeof (void) to get the void type object");
- } else if (typearg.IsPointer && !ec.InUnsafe){
- UnsafeError (loc);
+ ec.Report.Error (673, loc, "System.Void cannot be used from C#. Use typeof (void) to get the void type object");
+ } else if (typearg.IsPointer && !ec.IsUnsafe){
+ UnsafeError (ec, loc);
} else if (texpr is DynamicTypeExpr) {
- Report.Error (1962, QueriedType.Location,
+ ec.Report.Error (1962, QueriedType.Location,
"The typeof operator cannot be used on the dynamic type");
}
return this;
}
- public override void Emit (EmitContext ec)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
{
- ec.ig.Emit (OpCodes.Ldtoken, TypeManager.TypeToReflectionType (typearg));
- ec.ig.Emit (OpCodes.Call, TypeManager.system_type_get_type_from_handle);
- }
+ // Target type is not System.Type therefore must be object
+ // and we need to use different encoding sequence
+ if (targetType != type)
+ enc.Encode (type);
- public override bool GetAttributableValue (EmitContext ec, Type value_type, out object value)
- {
- if (TypeManager.ContainsGenericParameters (typearg) &&
- !TypeManager.IsGenericTypeDefinition (typearg)) {
- Report.SymbolRelatedToPreviousError (typearg);
- Report.Error (416, loc, "`{0}': an attribute argument cannot use type parameters",
- TypeManager.CSharpName (typearg));
- value = null;
- return false;
+/*
+ var gi = typearg as InflatedTypeSpec;
+ if (gi != null) {
+ // TODO: This has to be recursive, handle arrays, etc.
+ // I could probably do it after CustomAttribute encoder rewrite
+ foreach (var ta in gi.TypeArguments) {
+ if (ta.IsGenericParameter) {
+ ec.Report.SymbolRelatedToPreviousError (typearg);
+ ec.Report.Error (416, loc, "`{0}': an attribute argument cannot use type parameters",
+ TypeManager.CSharpName (typearg));
+ value = null;
+ return false;
+ }
+ }
}
+ */
- if (value_type == TypeManager.object_type) {
- value = (object)typearg;
- return true;
+ if (!enc.EncodeTypeName (typearg)) {
+ rc.Compiler.Report.SymbolRelatedToPreviousError (typearg);
+ rc.Compiler.Report.Error (416, loc, "`{0}': an attribute argument cannot use type parameters",
+ TypeManager.CSharpName (typearg));
}
- value = typearg;
- return true;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override void Emit (EmitContext ec)
{
- typearg = storey.MutateType (typearg);
+ ec.Emit (OpCodes.Ldtoken, typearg);
+ ec.Emit (OpCodes.Call, TypeManager.system_type_get_type_from_handle);
}
- public Type TypeArgument {
+ public TypeSpec TypeArgument {
get {
return typearg;
}
loc = l;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
type = TypeManager.type_type;
typearg = TypeManager.void_type;
}
}
- class TypeOfMethod : TypeOfMember
+ class TypeOfMethod : TypeOfMember<MethodSpec>
{
- public TypeOfMethod (MethodBase method, Location loc)
+ public TypeOfMethod (MethodSpec method, Location loc)
: base (method, loc)
{
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (member is MethodInfo) {
- type = TypeManager.methodinfo_type;
+ if (member.IsConstructor) {
+ type = TypeManager.ctorinfo_type;
if (type == null)
- type = TypeManager.methodinfo_type = TypeManager.CoreLookupType ("System.Reflection", "MethodInfo", Kind.Class, true);
+ type = TypeManager.ctorinfo_type = TypeManager.CoreLookupType (ec.Compiler, "System.Reflection", "ConstructorInfo", MemberKind.Class, true);
} else {
- type = TypeManager.ctorinfo_type;
+ type = TypeManager.methodinfo_type;
if (type == null)
- type = TypeManager.ctorinfo_type = TypeManager.CoreLookupType ("System.Reflection", "ConstructorInfo", Kind.Class, true);
+ type = TypeManager.methodinfo_type = TypeManager.CoreLookupType (ec.Compiler, "System.Reflection", "MethodInfo", MemberKind.Class, true);
}
return base.DoResolve (ec);
public override void Emit (EmitContext ec)
{
- if (member is ConstructorInfo)
- ec.ig.Emit (OpCodes.Ldtoken, (ConstructorInfo) member);
- else
- ec.ig.Emit (OpCodes.Ldtoken, (MethodInfo) member);
+ ec.Emit (OpCodes.Ldtoken, member);
base.Emit (ec);
- ec.ig.Emit (OpCodes.Castclass, type);
+ ec.Emit (OpCodes.Castclass, type);
}
protected override string GetMethodName {
get { return "RuntimeMethodHandle"; }
}
- protected override MethodInfo TypeFromHandle {
+ protected override MethodSpec TypeFromHandle {
get {
return TypeManager.methodbase_get_type_from_handle;
}
}
}
- protected override MethodInfo TypeFromHandleGeneric {
+ protected override MethodSpec TypeFromHandleGeneric {
get {
return TypeManager.methodbase_get_type_from_handle_generic;
}
}
}
- abstract class TypeOfMember : Expression
+ abstract class TypeOfMember<T> : Expression where T : MemberSpec
{
- protected readonly MemberInfo member;
+ protected readonly T member;
- protected TypeOfMember (MemberInfo member, Location loc)
+ protected TypeOfMember (T member, Location loc)
{
this.member = member;
this.loc = loc;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (this));
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
- return CreateExpressionFactoryCall ("Constant", args);
+ return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- bool is_generic = TypeManager.IsGenericType (member.DeclaringType);
- MethodInfo mi = is_generic ? TypeFromHandleGeneric : TypeFromHandle;
+ bool is_generic = member.DeclaringType.IsGenericOrParentIsGeneric;
+ var mi = is_generic ? TypeFromHandleGeneric : TypeFromHandle;
if (mi == null) {
- Type t = TypeManager.CoreLookupType ("System.Reflection", TypeName, Kind.Class, true);
- Type handle_type = TypeManager.CoreLookupType ("System", RuntimeHandleName, Kind.Class, true);
+ TypeSpec t = TypeManager.CoreLookupType (ec.Compiler, "System.Reflection", TypeName, MemberKind.Class, true);
+ TypeSpec handle_type = TypeManager.CoreLookupType (ec.Compiler, "System", RuntimeHandleName, MemberKind.Struct, true);
if (t == null || handle_type == null)
return null;
mi = TypeManager.GetPredefinedMethod (t, GetMethodName, loc,
is_generic ?
- new Type[] { handle_type, TypeManager.runtime_handle_type } :
- new Type[] { handle_type } );
+ new TypeSpec[] { handle_type, TypeManager.runtime_handle_type } :
+ new TypeSpec[] { handle_type } );
if (is_generic)
TypeFromHandleGeneric = mi;
public override void Emit (EmitContext ec)
{
- bool is_generic = TypeManager.IsGenericType (member.DeclaringType);
- MethodInfo mi;
+ bool is_generic = member.DeclaringType.IsGenericOrParentIsGeneric;
+ MethodSpec mi;
if (is_generic) {
mi = TypeFromHandleGeneric;
- ec.ig.Emit (OpCodes.Ldtoken, member.DeclaringType);
+ ec.Emit (OpCodes.Ldtoken, member.DeclaringType);
} else {
mi = TypeFromHandle;
}
- ec.ig.Emit (OpCodes.Call, mi);
+ ec.Emit (OpCodes.Call, mi);
}
protected abstract string GetMethodName { get; }
protected abstract string RuntimeHandleName { get; }
- protected abstract MethodInfo TypeFromHandle { get; set; }
- protected abstract MethodInfo TypeFromHandleGeneric { get; set; }
+ protected abstract MethodSpec TypeFromHandle { get; set; }
+ protected abstract MethodSpec TypeFromHandleGeneric { get; set; }
protected abstract string TypeName { get; }
}
- class TypeOfField : TypeOfMember
+ class TypeOfField : TypeOfMember<FieldSpec>
{
- public TypeOfField (FieldInfo field, Location loc)
+ public TypeOfField (FieldSpec field, Location loc)
: base (field, loc)
{
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (TypeManager.fieldinfo_type == null)
- TypeManager.fieldinfo_type = TypeManager.CoreLookupType ("System.Reflection", TypeName, Kind.Class, true);
+ TypeManager.fieldinfo_type = TypeManager.CoreLookupType (ec.Compiler, "System.Reflection", TypeName, MemberKind.Class, true);
type = TypeManager.fieldinfo_type;
return base.DoResolve (ec);
public override void Emit (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Ldtoken, (FieldInfo) member);
+ ec.Emit (OpCodes.Ldtoken, member);
base.Emit (ec);
}
get { return "RuntimeFieldHandle"; }
}
- protected override MethodInfo TypeFromHandle {
+ protected override MethodSpec TypeFromHandle {
get {
return TypeManager.fieldinfo_get_field_from_handle;
}
}
}
- protected override MethodInfo TypeFromHandleGeneric {
+ protected override MethodSpec TypeFromHandleGeneric {
get {
return TypeManager.fieldinfo_get_field_from_handle_generic;
}
/// </summary>
public class SizeOf : Expression {
readonly Expression QueriedType;
- Type type_queried;
+ TypeSpec type_queried;
public SizeOf (Expression queried_type, Location l)
{
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Error_PointerInsideExpressionTree ();
+ Error_PointerInsideExpressionTree (ec);
return null;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
TypeExpr texpr = QueriedType.ResolveAsTypeTerminal (ec, false);
if (texpr == null)
type_queried = texpr.Type;
if (TypeManager.IsEnumType (type_queried))
- type_queried = TypeManager.GetEnumUnderlyingType (type_queried);
+ type_queried = EnumSpec.GetUnderlyingType (type_queried);
int size_of = GetTypeSize (type_queried);
if (size_of > 0) {
- return new IntConstant (size_of, loc);
+ return new IntConstant (size_of, loc).Resolve (ec);
}
- if (!TypeManager.VerifyUnManaged (type_queried, loc)){
+ if (!TypeManager.VerifyUnmanaged (ec.Compiler, type_queried, loc)){
return null;
}
- if (!ec.InUnsafe) {
- Report.Error (233, loc,
+ if (!ec.IsUnsafe) {
+ ec.Report.Error (233, loc,
"`{0}' does not have a predefined size, therefore sizeof can only be used in an unsafe context (consider using System.Runtime.InteropServices.Marshal.SizeOf)",
TypeManager.CSharpName (type_queried));
}
public override void Emit (EmitContext ec)
{
- int size = GetTypeSize (type_queried);
-
- if (size == 0)
- ec.ig.Emit (OpCodes.Sizeof, type_queried);
- else
- IntConstant.EmitInt (ec.ig, size);
+ ec.Emit (OpCodes.Sizeof, type_queried);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
readonly string alias;
public static readonly string GlobalAlias = "global";
+ public QualifiedAliasMember (string alias, string identifier, Location l)
+ : base (null, identifier, l)
+ {
+ this.alias = alias;
+ }
+
public QualifiedAliasMember (string alias, string identifier, TypeArguments targs, Location l)
: base (null, identifier, targs, l)
{
this.alias = alias;
}
- public QualifiedAliasMember (string alias, string identifier, Location l)
- : base (null, identifier, l)
+ public QualifiedAliasMember (string alias, string identifier, int arity, Location l)
+ : base (null, identifier, arity, l)
{
this.alias = alias;
}
- public override FullNamedExpression ResolveAsTypeStep (IResolveContext ec, bool silent)
+ public override FullNamedExpression ResolveAsTypeStep (IMemberContext ec, bool silent)
{
if (alias == GlobalAlias) {
expr = GlobalRootNamespace.Instance;
return base.ResolveAsTypeStep (ec, silent);
}
- int errors = Report.Errors;
+ int errors = ec.Compiler.Report.Errors;
expr = ec.LookupNamespaceAlias (alias);
if (expr == null) {
- if (errors == Report.Errors)
- Report.Error (432, loc, "Alias `{0}' not found", alias);
+ if (errors == ec.Compiler.Report.Errors)
+ ec.Compiler.Report.Error (432, loc, "Alias `{0}' not found", alias);
return null;
}
if (expr.eclass == ExprClass.Type) {
if (!silent) {
- Report.Error (431, loc,
+ ec.Compiler.Report.Error (431, loc,
"Alias `{0}' cannot be used with '::' since it denotes a type. Consider replacing '::' with '.'", alias);
}
return null;
return fne;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return ResolveAsTypeStep (ec, false);
}
- protected override void Error_IdentifierNotFound (IResolveContext rc, FullNamedExpression expr_type, string identifier)
+ protected override void Error_IdentifierNotFound (IMemberContext rc, TypeSpec expr_type, string identifier)
{
- Report.Error (687, loc,
+ rc.Compiler.Report.Error (687, loc,
"A namespace alias qualifier `{0}' did not resolve to a namespace or a type",
GetSignatureForError ());
}
{
string name = Name;
if (targs != null) {
- name = TypeManager.RemoveGenericArity (Name) + "<" +
- targs.GetSignatureForError () + ">";
+ name = Name + "<" + targs.GetSignatureForError () + ">";
}
return alias + "::" + name;
this.expr = expr;
}
- Expression DoResolve (EmitContext ec, Expression right_side)
+ public MemberAccess (Expression expr, string identifier, int arity, Location loc)
+ : base (identifier, arity, loc)
+ {
+ this.expr = expr;
+ }
+
+ Expression DoResolve (ResolveContext ec, Expression right_side)
{
if (type != null)
throw new Exception ();
//
SimpleName original = expr as SimpleName;
- Expression expr_resolved = expr.Resolve (ec,
- ResolveFlags.VariableOrValue | ResolveFlags.Type |
- ResolveFlags.Intermediate | ResolveFlags.DisableStructFlowAnalysis);
+ Expression expr_resolved;
+ using (ec.Set (ResolveContext.Options.OmitStructFlowAnalysis)) {
+ expr_resolved = expr.Resolve (ec, ResolveFlags.VariableOrValue | ResolveFlags.Type | ResolveFlags.Intermediate);
+ }
if (expr_resolved == null)
return null;
- string LookupIdentifier = MemberName.MakeName (Name, targs);
-
Namespace ns = expr_resolved as Namespace;
if (ns != null) {
- FullNamedExpression retval = ns.Lookup (LookupIdentifier, loc);
+ FullNamedExpression retval = ns.Lookup (ec.Compiler, Name, Arity, loc);
if (retval == null)
- ns.Error_NamespaceDoesNotExist (loc, LookupIdentifier);
- else if (targs != null)
+ ns.Error_NamespaceDoesNotExist (loc, Name, Arity, ec);
+ else if (HasTypeArguments)
retval = new GenericTypeExpr (retval.Type, targs, loc).ResolveAsTypeStep (ec, false);
return retval;
}
- Type expr_type = expr_resolved.Type;
- if (TypeManager.IsDynamicType (expr_type)) {
- Arguments args = new Arguments (2);
+ TypeSpec expr_type = expr_resolved.Type;
+ if (expr_type == InternalType.Dynamic) {
+ Arguments args = new Arguments (1);
args.Add (new Argument (expr_resolved.Resolve (ec)));
+ expr = new DynamicMemberBinder (Name, args, loc);
if (right_side != null)
- args.Add (new Argument (right_side));
+ return expr.DoResolveLValue (ec, right_side);
- return new DynamicMemberBinder (right_side != null, Name, args, loc).Resolve (ec);
+ return expr.Resolve (ec);
}
if (expr_type.IsPointer || expr_type == TypeManager.void_type ||
expr_type == TypeManager.null_type || expr_type == InternalType.AnonymousMethod) {
- Unary.Error_OperatorCannotBeApplied (loc, ".", expr_type);
+ Unary.Error_OperatorCannotBeApplied (ec, loc, ".", expr_type);
return null;
}
Constant c = expr_resolved as Constant;
if (c != null && c.GetValue () == null) {
- Report.Warning (1720, 1, loc, "Expression will always cause a `{0}'",
+ ec.Report.Warning (1720, 1, loc, "Expression will always cause a `{0}'",
"System.NullReferenceException");
}
- if (targs != null) {
- if (!targs.Resolve (ec))
- return null;
- }
+ var arity = HasTypeArguments ? targs.Count : -1;
- Expression member_lookup;
- member_lookup = MemberLookup (
- ec.CurrentType, expr_type, expr_type, Name, loc);
-
- if (member_lookup == null && targs != null) {
- member_lookup = MemberLookup (
- ec.CurrentType, expr_type, expr_type, LookupIdentifier, loc);
- }
+ var member_lookup = MemberLookup (ec.Compiler,
+ ec.CurrentType, expr_type, expr_type, Name, arity, BindingRestriction.NoOverrides, loc);
if (member_lookup == null) {
ExprClass expr_eclass = expr_resolved.eclass;
if (expr_eclass == ExprClass.Value || expr_eclass == ExprClass.Variable ||
expr_eclass == ExprClass.IndexerAccess || expr_eclass == ExprClass.PropertyAccess ||
expr_eclass == ExprClass.EventAccess) {
- ExtensionMethodGroupExpr ex_method_lookup = ec.LookupExtensionMethod (expr_type, Name, loc);
+ ExtensionMethodGroupExpr ex_method_lookup = ec.LookupExtensionMethod (expr_type, Name, arity, loc);
if (ex_method_lookup != null) {
ex_method_lookup.ExtensionExpression = expr_resolved;
- if (targs != null) {
- ex_method_lookup.SetTypeArguments (targs);
+ if (HasTypeArguments) {
+ if (!targs.Resolve (ec))
+ return null;
+
+ ex_method_lookup.SetTypeArguments (ec, targs);
}
- return ex_method_lookup.DoResolve (ec);
+ return ex_method_lookup.Resolve (ec);
}
}
expr = expr_resolved;
- member_lookup = Error_MemberLookupFailed (
- ec.CurrentType, expr_type, expr_type, Name, null,
- AllMemberTypes, AllBindingFlags);
+ member_lookup = Error_MemberLookupFailed (ec,
+ ec.CurrentType, expr_type, expr_type, Name, arity, null,
+ MemberKind.All, BindingRestriction.AccessibleOnly);
if (member_lookup == null)
return null;
}
if (texpr != null) {
if (!(expr_resolved is TypeExpr) &&
(original == null || !original.IdenticalNameAndTypeName (ec, expr_resolved, loc))) {
- Report.Error (572, loc, "`{0}': cannot reference a type through an expression; try `{1}' instead",
+ ec.Report.Error (572, loc, "`{0}': cannot reference a type through an expression; try `{1}' instead",
Name, member_lookup.GetSignatureForError ());
return null;
}
- if (!texpr.CheckAccessLevel (ec.GenericDeclContainer)) {
- Report.SymbolRelatedToPreviousError (member_lookup.Type);
- ErrorIsInaccesible (loc, TypeManager.CSharpName (member_lookup.Type));
+ if (!texpr.CheckAccessLevel (ec.MemberContext)) {
+ ec.Report.SymbolRelatedToPreviousError (member_lookup.Type);
+ ErrorIsInaccesible (loc, TypeManager.CSharpName (member_lookup.Type), ec.Report);
return null;
}
GenericTypeExpr ct = expr_resolved as GenericTypeExpr;
- if (ct != null) {
- //
- // When looking up a nested type in a generic instance
- // via reflection, we always get a generic type definition
- // and not a generic instance - so we have to do this here.
- //
- // See gtest-172-lib.cs and gtest-172.cs for an example.
- //
- ct = new GenericTypeExpr (
- member_lookup.Type, ct.TypeArguments, loc);
-
+ if (ct != null && Arity > 0) {
+ ct = new GenericTypeExpr (member_lookup.Type, targs, loc);
return ct.ResolveAsTypeStep (ec, false);
}
if (me == null)
return null;
- if (targs != null) {
- me.SetTypeArguments (targs);
+ if (HasTypeArguments) {
+ if (!targs.Resolve (ec))
+ return null;
+
+ me.SetTypeArguments (ec, targs);
}
- if (original != null && !TypeManager.IsValueType (expr_type)) {
+ if (original != null && (!TypeManager.IsValueType (expr_type) || me is PropertyExpr)) {
if (me.IsInstance) {
LocalVariableReference var = expr_resolved as LocalVariableReference;
if (var != null && !var.VerifyAssigned (ec))
if (right_side != null)
return me.DoResolveLValue (ec, right_side);
else
- return me.DoResolve (ec);
+ return me.Resolve (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return DoResolve (ec, null);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
return DoResolve (ec, right_side);
}
- public override FullNamedExpression ResolveAsTypeStep (IResolveContext ec, bool silent)
+ public override FullNamedExpression ResolveAsTypeStep (IMemberContext ec, bool silent)
{
return ResolveNamespaceOrType (ec, silent);
}
- public FullNamedExpression ResolveNamespaceOrType (IResolveContext rc, bool silent)
+ public FullNamedExpression ResolveNamespaceOrType (IMemberContext rc, bool silent)
{
FullNamedExpression expr_resolved = expr.ResolveAsTypeStep (rc, silent);
if (expr_resolved == null)
return null;
- string LookupIdentifier = MemberName.MakeName (Name, targs);
-
Namespace ns = expr_resolved as Namespace;
if (ns != null) {
- FullNamedExpression retval = ns.Lookup (LookupIdentifier, loc);
+ FullNamedExpression retval = ns.Lookup (rc.Compiler, Name, Arity, loc);
- if (retval == null && !silent)
- ns.Error_NamespaceDoesNotExist (loc, LookupIdentifier);
- else if (targs != null)
+ if (retval == null) {
+ if (!silent)
+ ns.Error_NamespaceDoesNotExist (loc, Name, Arity, rc);
+ } else if (HasTypeArguments) {
retval = new GenericTypeExpr (retval.Type, targs, loc).ResolveAsTypeStep (rc, silent);
+ }
return retval;
}
if (tnew_expr == null)
return null;
- Type expr_type = tnew_expr.Type;
+ TypeSpec expr_type = tnew_expr.Type;
if (TypeManager.IsGenericParameter (expr_type)) {
- Report.Error (704, loc, "A nested type cannot be specified through a type parameter `{0}'",
+ rc.Compiler.Report.Error (704, loc, "A nested type cannot be specified through a type parameter `{0}'",
tnew_expr.GetSignatureForError ());
return null;
}
- Expression member_lookup = MemberLookup (
- rc.CurrentType, expr_type, expr_type, LookupIdentifier,
- MemberTypes.NestedType, BindingFlags.Public | BindingFlags.NonPublic, loc);
- if (member_lookup == null) {
+ var nested = MemberCache.FindNestedType (expr_type, Name, Arity);
+ if (nested == null) {
if (silent)
return null;
- Error_IdentifierNotFound (rc, expr_resolved, LookupIdentifier);
+ Error_IdentifierNotFound (rc, expr_type, Name);
return null;
}
- TypeExpr texpr = member_lookup.ResolveAsTypeTerminal (rc, false);
- if (texpr == null)
- return null;
-
- TypeArguments the_args = targs;
- Type declaring_type = texpr.Type.DeclaringType;
- if (TypeManager.HasGenericArguments (declaring_type) && !TypeManager.IsGenericTypeDefinition (expr_type)) {
- while (!TypeManager.IsEqual (TypeManager.DropGenericTypeArguments (expr_type), declaring_type)) {
- expr_type = expr_type.BaseType;
- }
-
- TypeArguments new_args = new TypeArguments ();
- foreach (Type decl in TypeManager.GetTypeArguments (expr_type))
- new_args.Add (new TypeExpression (TypeManager.TypeToCoreType (decl), loc));
-
- if (targs != null)
- new_args.Add (targs);
-
- the_args = new_args;
+ bool extra_check;
+ if (!IsMemberAccessible (rc.CurrentType ?? InternalType.FakeInternalType, nested, out extra_check)) {
+ ErrorIsInaccesible (loc, nested.GetSignatureForError (), rc.Compiler.Report);
}
-
- if (the_args != null) {
- GenericTypeExpr ctype = new GenericTypeExpr (texpr.Type, the_args, loc);
- return ctype.ResolveAsTypeStep (rc, false);
+
+ TypeExpr texpr;
+ if (HasTypeArguments) {
+ texpr = new GenericTypeExpr (nested, targs, loc);
+ } else {
+ texpr = new TypeExpression (nested, loc);
}
- return texpr;
+ return texpr.ResolveAsTypeStep (rc, false);
}
- protected virtual void Error_IdentifierNotFound (IResolveContext rc, FullNamedExpression expr_type, string identifier)
+ protected virtual void Error_IdentifierNotFound (IMemberContext rc, TypeSpec expr_type, string identifier)
{
- Expression member_lookup = MemberLookup (
- rc.CurrentType, expr_type.Type, expr_type.Type, SimpleName.RemoveGenericArity (identifier),
- MemberTypes.NestedType, BindingFlags.Public | BindingFlags.NonPublic, loc);
-
- if (member_lookup != null) {
- expr_type = member_lookup.ResolveAsTypeTerminal (rc, false);
- if (expr_type == null)
- return;
+ var nested = MemberCache.FindNestedType (expr_type, Name, -System.Math.Max (1, Arity));
- Namespace.Error_TypeArgumentsCannotBeUsed (expr_type, loc);
+ if (nested != null) {
+ Error_TypeArgumentsCannotBeUsed (rc.Compiler.Report, expr.Location, nested, Arity);
return;
}
- member_lookup = MemberLookup (
- rc.CurrentType, expr_type.Type, expr_type.Type, identifier,
- MemberTypes.All, BindingFlags.Public | BindingFlags.NonPublic, loc);
+ var member_lookup = MemberLookup (rc.Compiler,
+ rc.CurrentType, expr_type, expr_type, identifier, -1,
+ MemberKind.All, BindingRestriction.None, loc);
if (member_lookup == null) {
- Report.Error (426, loc, "The nested type `{0}' does not exist in the type `{1}'",
+ rc.Compiler.Report.Error (426, loc, "The nested type `{0}' does not exist in the type `{1}'",
Name, expr_type.GetSignatureForError ());
} else {
// TODO: Report.SymbolRelatedToPreviousError
- member_lookup.Error_UnexpectedKind (null, "type", loc);
+ member_lookup.Error_UnexpectedKind (rc.Compiler.Report, null, "type", loc);
}
}
- protected override void Error_TypeDoesNotContainDefinition (Type type, string name)
+ protected override void Error_TypeDoesNotContainDefinition (ResolveContext ec, TypeSpec type, string name)
{
- if (RootContext.Version > LanguageVersion.ISO_2 &&
+ if (RootContext.Version > LanguageVersion.ISO_2 && !ec.Compiler.IsRuntimeBinder &&
((expr.eclass & (ExprClass.Value | ExprClass.Variable)) != 0)) {
- Report.Error (1061, loc, "Type `{0}' does not contain a definition for `{1}' and no " +
+ ec.Report.Error (1061, loc, "Type `{0}' does not contain a definition for `{1}' and no " +
"extension method `{1}' of type `{0}' could be found " +
"(are you missing a using directive or an assembly reference?)",
TypeManager.CSharpName (type), name);
return;
}
- base.Error_TypeDoesNotContainDefinition (type, name);
+ base.Error_TypeDoesNotContainDefinition (ec, type, name);
}
public override string GetSignatureForError ()
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- using (ec.With (EmitContext.Options.AllCheckStateFlags, true))
+ using (ec.With (ResolveContext.Options.AllCheckStateFlags, true))
return Expr.CreateExpressionTree (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- using (ec.With (EmitContext.Options.AllCheckStateFlags, true))
+ using (ec.With (ResolveContext.Options.AllCheckStateFlags, true))
Expr = Expr.Resolve (ec);
if (Expr == null)
Expr.EmitBranchable (ec, target, on_true);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- Expr.MutateHoistedGenericType (storey);
+ using (ctx.With (BuilderContext.Options.AllCheckStateFlags, true)) {
+ return Expr.MakeExpression (ctx);
+ }
}
protected override void CloneTo (CloneContext clonectx, Expression t)
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- using (ec.With (EmitContext.Options.AllCheckStateFlags, false))
+ using (ec.With (ResolveContext.Options.AllCheckStateFlags, false))
return Expr.CreateExpressionTree (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- using (ec.With (EmitContext.Options.AllCheckStateFlags, false))
+ using (ec.With (ResolveContext.Options.AllCheckStateFlags, false))
Expr = Expr.Resolve (ec);
if (Expr == null)
Expr.EmitBranchable (ec, target, on_true);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- Expr.MutateHoistedGenericType (storey);
- }
-
protected override void CloneTo (CloneContext clonectx, Expression t)
{
UnCheckedExpr target = (UnCheckedExpr) t;
this.Arguments = args;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = Arguments.CreateForExpressionTree (ec, Arguments,
Expr.CreateExpressionTree (ec));
- return CreateExpressionFactoryCall ("ArrayIndex", args);
+ return CreateExpressionFactoryCall (ec, "ArrayIndex", args);
}
- Expression MakePointerAccess (EmitContext ec, Type t)
+ Expression MakePointerAccess (ResolveContext ec, TypeSpec t)
{
if (Arguments.Count != 1){
- Error (196, "A pointer must be indexed by only one value");
+ ec.Report.Error (196, loc, "A pointer must be indexed by only one value");
return null;
}
if (Arguments [0] is NamedArgument)
- Error_NamedArgument ((NamedArgument) Arguments[0]);
+ Error_NamedArgument ((NamedArgument) Arguments[0], ec.Report);
Expression p = new PointerArithmetic (Binary.Operator.Addition, Expr, Arguments [0].Expr.Resolve (ec), t, loc);
return new Indirection (p, loc).Resolve (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
Expr = Expr.Resolve (ec);
if (Expr == null)
//
// I am experimenting with this pattern.
//
- Type t = Expr.Type;
+ TypeSpec t = Expr.Type;
if (t == TypeManager.array_type){
- Report.Error (21, loc, "Cannot apply indexing with [] to an expression of type `System.Array'");
+ ec.Report.Error (21, loc, "Cannot apply indexing with [] to an expression of type `System.Array'");
return null;
}
FieldExpr fe = Expr as FieldExpr;
if (fe != null) {
- IFixedBuffer ff = AttributeTester.GetFixedBuffer (fe.FieldInfo);
+ var ff = fe.Spec as FixedFieldSpec;
if (ff != null) {
return MakePointerAccess (ec, ff.ElementType);
}
return (new IndexerAccess (this, loc)).Resolve (ec);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
Expr = Expr.Resolve (ec);
if (Expr == null)
throw new Exception ("Should never be reached");
}
- public static void Error_NamedArgument (NamedArgument na)
+ public static void Error_NamedArgument (NamedArgument na, Report Report)
{
- Report.Error (1742, na.Name.Location, "An element access expression cannot use named argument");
+ Report.Error (1742, na.Location, "An element access expression cannot use named argument");
}
public override string GetSignatureForError ()
/// <summary>
/// Implements array access
/// </summary>
- public class ArrayAccess : Expression, IAssignMethod, IMemoryLocation {
+ public class ArrayAccess : Expression, IDynamicAssign, IMemoryLocation {
//
// Points to our "data" repository
//
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
return ea.CreateExpressionTree (ec);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
return DoResolve (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
-#if false
- ExprClass eclass = ea.Expr.eclass;
-
- // As long as the type is valid
- if (!(eclass == ExprClass.Variable || eclass == ExprClass.PropertyAccess ||
- eclass == ExprClass.Value)) {
- ea.Expr.Error_UnexpectedKind ("variable or value");
- return null;
- }
-#endif
-
- if (eclass != ExprClass.Invalid)
- return this;
-
// dynamic is used per argument in ConvertExpressionToArrayIndex case
bool dynamic;
ea.Arguments.Resolve (ec, out dynamic);
- Type t = ea.Expr.Type;
+ TypeSpec t = ea.Expr.Type;
int rank = ea.Arguments.Count;
- if (t.GetArrayRank () != rank) {
- Report.Error (22, ea.Location, "Wrong number of indexes `{0}' inside [], expected `{1}'",
- ea.Arguments.Count.ToString (), t.GetArrayRank ().ToString ());
+ if (t.GetMetaInfo ().GetArrayRank () != rank) {
+ ec.Report.Error (22, ea.Location, "Wrong number of indexes `{0}' inside [], expected `{1}'",
+ ea.Arguments.Count.ToString (), t.GetMetaInfo ().GetArrayRank ().ToString ());
return null;
}
type = TypeManager.GetElementType (t);
- if (type.IsPointer && !ec.InUnsafe) {
- UnsafeError (ea.Location);
+ if (type.IsPointer && !ec.IsUnsafe) {
+ UnsafeError (ec, ea.Location);
}
foreach (Argument a in ea.Arguments) {
if (a is NamedArgument)
- ElementAccess.Error_NamedArgument ((NamedArgument) a);
+ ElementAccess.Error_NamedArgument ((NamedArgument) a, ec.Report);
a.Expr = ConvertExpressionToArrayIndex (ec, a.Expr);
}
return this;
}
- /// <summary>
- /// Emits the right opcode to load an object of Type `t'
- /// from an array of T
- /// </summary>
- void EmitLoadOpcode (ILGenerator ig, Type type, int rank)
- {
- if (rank > 1) {
- MethodInfo get = FetchGetMethod ();
- ig.Emit (OpCodes.Call, get);
- return;
- }
-
- if (type == TypeManager.byte_type || type == TypeManager.bool_type)
- ig.Emit (OpCodes.Ldelem_U1);
- else if (type == TypeManager.sbyte_type)
- ig.Emit (OpCodes.Ldelem_I1);
- else if (type == TypeManager.short_type)
- ig.Emit (OpCodes.Ldelem_I2);
- else if (type == TypeManager.ushort_type || type == TypeManager.char_type)
- ig.Emit (OpCodes.Ldelem_U2);
- else if (type == TypeManager.int32_type)
- ig.Emit (OpCodes.Ldelem_I4);
- else if (type == TypeManager.uint32_type)
- ig.Emit (OpCodes.Ldelem_U4);
- else if (type == TypeManager.uint64_type)
- ig.Emit (OpCodes.Ldelem_I8);
- else if (type == TypeManager.int64_type)
- ig.Emit (OpCodes.Ldelem_I8);
- else if (type == TypeManager.float_type)
- ig.Emit (OpCodes.Ldelem_R4);
- else if (type == TypeManager.double_type)
- ig.Emit (OpCodes.Ldelem_R8);
- else if (type == TypeManager.intptr_type)
- ig.Emit (OpCodes.Ldelem_I);
- else if (TypeManager.IsEnumType (type)){
- EmitLoadOpcode (ig, TypeManager.GetEnumUnderlyingType (type), rank);
- } else if (TypeManager.IsStruct (type)){
- ig.Emit (OpCodes.Ldelema, type);
- ig.Emit (OpCodes.Ldobj, type);
-#if GMCS_SOURCE
- } else if (type.IsGenericParameter) {
- ig.Emit (OpCodes.Ldelem, type);
-#endif
- } else if (type.IsPointer)
- ig.Emit (OpCodes.Ldelem_I);
- else
- ig.Emit (OpCodes.Ldelem_Ref);
- }
-
- protected override void Error_NegativeArrayIndex (Location loc)
- {
- Report.Warning (251, 2, loc, "Indexing an array with a negative index (array indices always start at zero)");
- }
-
- /// <summary>
- /// Returns the right opcode to store an object of Type `t'
- /// from an array of T.
- /// </summary>
- static public OpCode GetStoreOpcode (Type t, out bool is_stobj, out bool has_type_arg)
- {
- //Console.WriteLine (new System.Diagnostics.StackTrace ());
- has_type_arg = false; is_stobj = false;
- t = TypeManager.TypeToCoreType (t);
- if (TypeManager.IsEnumType (t))
- t = TypeManager.GetEnumUnderlyingType (t);
- if (t == TypeManager.byte_type || t == TypeManager.sbyte_type ||
- t == TypeManager.bool_type)
- return OpCodes.Stelem_I1;
- else if (t == TypeManager.short_type || t == TypeManager.ushort_type ||
- t == TypeManager.char_type)
- return OpCodes.Stelem_I2;
- else if (t == TypeManager.int32_type || t == TypeManager.uint32_type)
- return OpCodes.Stelem_I4;
- else if (t == TypeManager.int64_type || t == TypeManager.uint64_type)
- return OpCodes.Stelem_I8;
- else if (t == TypeManager.float_type)
- return OpCodes.Stelem_R4;
- else if (t == TypeManager.double_type)
- return OpCodes.Stelem_R8;
- else if (t == TypeManager.intptr_type) {
- has_type_arg = true;
- is_stobj = true;
- return OpCodes.Stobj;
- } else if (TypeManager.IsStruct (t)) {
- has_type_arg = true;
- is_stobj = true;
- return OpCodes.Stobj;
-#if GMCS_SOURCE
- } else if (t.IsGenericParameter) {
- has_type_arg = true;
- return OpCodes.Stelem;
-#endif
-
- } else if (t.IsPointer)
- return OpCodes.Stelem_I;
- else
- return OpCodes.Stelem_Ref;
- }
-
- MethodInfo FetchGetMethod ()
+ protected override void Error_NegativeArrayIndex (ResolveContext ec, Location loc)
{
- ModuleBuilder mb = RootContext.ToplevelTypes.Builder;
- int arg_count = ea.Arguments.Count;
- Type [] args = new Type [arg_count];
- MethodInfo get;
-
- for (int i = 0; i < arg_count; i++){
- //args [i++] = a.Type;
- args [i] = TypeManager.int32_type;
- }
-
- get = mb.GetArrayMethod (
- ea.Expr.Type, "Get",
- CallingConventions.HasThis |
- CallingConventions.Standard,
- type, args);
- return get;
+ ec.Report.Warning (251, 2, loc, "Indexing an array with a negative index (array indices always start at zero)");
}
-
MethodInfo FetchAddressMethod ()
{
ModuleBuilder mb = RootContext.ToplevelTypes.Builder;
int arg_count = ea.Arguments.Count;
- Type [] args = new Type [arg_count];
+ var args = new Type [arg_count];
MethodInfo address;
- Type ret_type;
- ret_type = TypeManager.GetReferenceType (type);
+ var ret_type = TypeManager.GetReferenceType (type);
for (int i = 0; i < arg_count; i++){
//args [i++] = a.Type;
- args [i] = TypeManager.int32_type;
+ args[i] = TypeManager.int32_type.GetMetaInfo ();
}
address = mb.GetArrayMethod (
- ea.Expr.Type, "Address",
+ ea.Expr.Type.GetMetaInfo (), "Address",
CallingConventions.HasThis |
CallingConventions.Standard,
ret_type, args);
public void Emit (EmitContext ec, bool leave_copy)
{
- int rank = ea.Expr.Type.GetArrayRank ();
- ILGenerator ig = ec.ig;
+ var ac = ea.Expr.Type as ArrayContainer;
if (prepared) {
- LoadFromPtr (ig, this.type);
+ ec.EmitLoadFromPtr (type);
} else {
LoadArrayAndArguments (ec);
- EmitLoadOpcode (ig, type, rank);
+ ec.EmitArrayLoad (ac);
}
if (leave_copy) {
- ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
temp = new LocalTemporary (this.type);
temp.Store (ec);
}
public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool prepare_for_load)
{
- int rank = ea.Expr.Type.GetArrayRank ();
- ILGenerator ig = ec.ig;
- Type t = source.Type;
+ var ac = (ArrayContainer) ea.Expr.Type;
+ TypeSpec t = source.Type;
prepared = prepare_for_load;
if (prepared) {
AddressOf (ec, AddressOp.LoadStore);
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
} else {
LoadArrayAndArguments (ec);
- }
- if (rank == 1) {
- bool is_stobj, has_type_arg;
- OpCode op = GetStoreOpcode (t, out is_stobj, out has_type_arg);
+ //
+ // If we are dealing with a struct, get the
+ // address of it, so we can store it.
+ //
+ // The stobj opcode used by value types will need
+ // an address on the stack, not really an array/array
+ // pair
+ //
+ if (ac.Rank == 1 && TypeManager.IsStruct (t) &&
+ (!TypeManager.IsBuiltinOrEnum (t) ||
+ t == TypeManager.decimal_type)) {
- if (!prepared) {
- //
- // The stobj opcode used by value types will need
- // an address on the stack, not really an array/array
- // pair
- //
- if (is_stobj)
- ig.Emit (OpCodes.Ldelema, t);
- }
-
- source.Emit (ec);
- if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
- temp = new LocalTemporary (this.type);
- temp.Store (ec);
- }
-
- if (prepared)
- StoreFromPtr (ig, t);
- else if (is_stobj)
- ig.Emit (OpCodes.Stobj, t);
- else if (has_type_arg)
- ig.Emit (op, t);
- else
- ig.Emit (op);
- } else {
- source.Emit (ec);
- if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
- temp = new LocalTemporary (this.type);
- temp.Store (ec);
+ ec.Emit (OpCodes.Ldelema, t);
}
+ }
- if (prepared) {
- StoreFromPtr (ig, t);
- } else {
- int arg_count = ea.Arguments.Count;
- Type [] args = new Type [arg_count + 1];
- for (int i = 0; i < arg_count; i++) {
- //args [i++] = a.Type;
- args [i] = TypeManager.int32_type;
- }
- args [arg_count] = type;
-
- MethodInfo set = RootContext.ToplevelTypes.Builder.GetArrayMethod (
- ea.Expr.Type, "Set",
- CallingConventions.HasThis |
- CallingConventions.Standard,
- TypeManager.void_type, args);
+ source.Emit (ec);
+ if (leave_copy) {
+ ec.Emit (OpCodes.Dup);
+ temp = new LocalTemporary (this.type);
+ temp.Store (ec);
+ }
- ig.Emit (OpCodes.Call, set);
- }
+ if (prepared) {
+ ec.EmitStoreFromPtr (t);
+ } else {
+ ec.EmitArrayStore (ac);
}
if (temp != null) {
public void AddressOf (EmitContext ec, AddressOp mode)
{
- int rank = ea.Expr.Type.GetArrayRank ();
- ILGenerator ig = ec.ig;
+ int rank = ea.Expr.Type.GetMetaInfo ().GetArrayRank ();
LoadArrayAndArguments (ec);
if (rank == 1){
- ig.Emit (OpCodes.Ldelema, type);
+ ec.Emit (OpCodes.Ldelema, type);
} else {
MethodInfo address = FetchAddressMethod ();
- ig.Emit (OpCodes.Call, address);
+ ec.Emit (OpCodes.Call, address);
}
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+#if NET_4_0
+ public SLE.Expression MakeAssignExpression (BuilderContext ctx)
+ {
+ return SLE.Expression.ArrayAccess (
+ ea.Expr.MakeExpression (ctx),
+ Arguments.MakeExpression (ea.Arguments, ctx));
+ }
+#endif
+
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- type = storey.MutateType (type);
- ea.Expr.Type = storey.MutateType (ea.Expr.Type);
+ return SLE.Expression.ArrayIndex (
+ ea.Expr.MakeExpression (ctx),
+ Arguments.MakeExpression (ea.Arguments, ctx));
}
}
/// <summary>
/// Expressions that represent an indexer call.
/// </summary>
- public class IndexerAccess : Expression, IAssignMethod
+ public class IndexerAccess : Expression, IDynamicAssign
{
class IndexerMethodGroupExpr : MethodGroupExpr
{
- public IndexerMethodGroupExpr (Indexers indexers, Location loc)
- : base (null, loc)
+ IEnumerable<IndexerSpec> candidates;
+
+ public IndexerMethodGroupExpr (IEnumerable<IndexerSpec> indexers, Location loc)
+ : base (FilterAccessors (indexers).ToList (), null, loc)
+ {
+ candidates = indexers;
+ }
+
+ public IndexerSpec BestIndexer ()
+ {
+ return candidates.Where (l => l.Get == BestCandidate || l.Set == BestCandidate).First ();
+ }
+
+ static IEnumerable<MemberSpec> FilterAccessors (IEnumerable<IndexerSpec> indexers)
+ {
+ foreach (IndexerSpec i in indexers) {
+ if (i.HasGet)
+ yield return i.Get;
+ else
+ yield return i.Set;
+ }
+ }
+
+ protected override IList<MemberSpec> GetBaseTypeMethods (ResolveContext rc, TypeSpec type)
{
- Methods = (MethodBase []) indexers.Methods.ToArray (typeof (MethodBase));
+ candidates = GetIndexersForType (type);
+ if (candidates == null)
+ return null;
+
+ return FilterAccessors (candidates).ToList ();
}
public override string Name {
}
}
- protected override int GetApplicableParametersCount (MethodBase method, AParametersCollection parameters)
+ protected override int GetApplicableParametersCount (MethodSpec method, AParametersCollection parameters)
{
//
// Here is the trick, decrease number of arguments by 1 when only
}
}
- class Indexers
- {
- // Contains either property getter or setter
- public ArrayList Methods;
- public ArrayList Properties;
-
- Indexers ()
- {
- }
-
- void Append (Type caller_type, MemberInfo [] mi)
- {
- if (mi == null)
- return;
-
- foreach (PropertyInfo property in mi) {
- MethodInfo accessor = property.GetGetMethod (true);
- if (accessor == null)
- accessor = property.GetSetMethod (true);
-
- if (Methods == null) {
- Methods = new ArrayList ();
- Properties = new ArrayList ();
- }
-
- Methods.Add (accessor);
- Properties.Add (property);
- }
- }
-
- static MemberInfo [] GetIndexersForTypeOrInterface (Type caller_type, Type lookup_type)
- {
- string p_name = TypeManager.IndexerPropertyName (lookup_type);
-
- return TypeManager.MemberLookup (
- caller_type, caller_type, lookup_type, MemberTypes.Property,
- BindingFlags.Public | BindingFlags.Instance |
- BindingFlags.DeclaredOnly, p_name, null);
- }
-
- public static Indexers GetIndexersForType (Type caller_type, Type lookup_type)
- {
- Indexers ix = new Indexers ();
-
- if (TypeManager.IsGenericParameter (lookup_type)) {
- GenericConstraints gc = TypeManager.GetTypeParameterConstraints (lookup_type);
- if (gc == null)
- return ix;
-
- if (gc.HasClassConstraint) {
- Type class_contraint = gc.ClassConstraint;
- while (class_contraint != TypeManager.object_type && class_contraint != null) {
- ix.Append (caller_type, GetIndexersForTypeOrInterface (caller_type, class_contraint));
- class_contraint = class_contraint.BaseType;
- }
- }
-
- Type[] ifaces = gc.InterfaceConstraints;
- foreach (Type itype in ifaces)
- ix.Append (caller_type, GetIndexersForTypeOrInterface (caller_type, itype));
-
- return ix;
- }
-
- Type copy = lookup_type;
- while (copy != TypeManager.object_type && copy != null){
- ix.Append (caller_type, GetIndexersForTypeOrInterface (caller_type, copy));
- copy = copy.BaseType;
- }
-
- if (lookup_type.IsInterface) {
- Type [] ifaces = TypeManager.GetInterfaces (lookup_type);
- if (ifaces != null) {
- foreach (Type itype in ifaces)
- ix.Append (caller_type, GetIndexersForTypeOrInterface (caller_type, itype));
- }
- }
-
- return ix;
- }
- }
-
//
// Points to our "data" repository
//
- MethodInfo get, set;
+ IndexerSpec spec;
bool is_base_indexer;
bool prepared;
LocalTemporary temp;
LocalTemporary prepared_value;
Expression set_expr;
- protected Type indexer_type;
- protected Type current_type;
+ protected TypeSpec indexer_type;
+ protected TypeSpec current_type;
protected Expression instance_expr;
protected Arguments arguments;
{
this.instance_expr = instance_expr;
this.is_base_indexer = is_base_indexer;
- this.eclass = ExprClass.Value;
this.loc = loc;
}
return isSet ? "set" : "get";
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = Arguments.CreateForExpressionTree (ec, arguments,
instance_expr.CreateExpressionTree (ec),
- new TypeOfMethod (get, loc));
+ new TypeOfMethod (spec.Get, loc));
+
+ return CreateExpressionFactoryCall (ec, "Call", args);
+ }
- return CreateExpressionFactoryCall ("Call", args);
+ static IEnumerable<IndexerSpec> GetIndexersForType (TypeSpec lookup_type)
+ {
+ return MemberCache.FindIndexers (lookup_type, BindingRestriction.AccessibleOnly | BindingRestriction.NoOverrides);
}
- protected virtual void CommonResolve (EmitContext ec)
+ protected virtual void CommonResolve (ResolveContext ec)
{
indexer_type = instance_expr.Type;
current_type = ec.CurrentType;
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return ResolveAccessor (ec, null);
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
- if (right_side == EmptyExpression.OutAccess) {
- Report.Error (206, loc, "A property or indexer `{0}' may not be passed as an out or ref parameter",
- GetSignatureForError ());
+ if (right_side == EmptyExpression.OutAccess.Instance) {
+ right_side.DoResolveLValue (ec, this);
return null;
}
return ResolveAccessor (ec, right_side);
}
- Expression ResolveAccessor (EmitContext ec, Expression right_side)
+ Expression ResolveAccessor (ResolveContext ec, Expression right_side)
{
CommonResolve (ec);
bool dynamic;
+
arguments.Resolve (ec, out dynamic);
- if (dynamic || TypeManager.IsDynamicType (indexer_type)) {
- int additional = right_side == null ? 1 : 2;
- Arguments args = new Arguments (arguments.Count + additional);
+
+ if (indexer_type == InternalType.Dynamic) {
+ dynamic = true;
+ } else {
+ var ilist = GetIndexersForType (/*current_type,*/ indexer_type);
+ if (ilist == null) {
+ ec.Report.Error (21, loc, "Cannot apply indexing with [] to an expression of type `{0}'",
+ TypeManager.CSharpName (indexer_type));
+ return null;
+ }
+
+ var mg = new IndexerMethodGroupExpr (ilist, loc);
+ mg = mg.OverloadResolve (ec, ref arguments, false, loc) as IndexerMethodGroupExpr;
+ if (mg == null)
+ return null;
+
+ if (!dynamic)
+ spec = mg.BestIndexer ();
+ }
+
+ if (dynamic) {
+ Arguments args = new Arguments (arguments.Count + 1);
if (is_base_indexer) {
- Report.Error (1972, loc, "The indexer base access cannot be dynamically dispatched. Consider casting the dynamic arguments or eliminating the base access");
+ ec.Report.Error (1972, loc, "The indexer base access cannot be dynamically dispatched. Consider casting the dynamic arguments or eliminating the base access");
} else {
args.Add (new Argument (instance_expr));
}
args.AddRange (arguments);
- if (right_side != null)
- args.Add (new Argument (right_side));
-
- return new DynamicIndexBinder (right_side != null, args, loc).Resolve (ec);
- }
- Indexers ilist = Indexers.GetIndexersForType (current_type, indexer_type);
- if (ilist.Methods == null) {
- Report.Error (21, loc, "Cannot apply indexing with [] to an expression of type `{0}'",
- TypeManager.CSharpName (indexer_type));
- return null;
- }
-
- MethodGroupExpr mg = new IndexerMethodGroupExpr (ilist, loc);
- mg = mg.OverloadResolve (ec, ref arguments, false, loc);
- if (mg == null)
- return null;
+ var expr = new DynamicIndexBinder (args, loc);
+ if (right_side != null)
+ return expr.ResolveLValue (ec, right_side);
- MethodInfo mi = (MethodInfo) mg;
- PropertyInfo pi = null;
- for (int i = 0; i < ilist.Methods.Count; ++i) {
- if (ilist.Methods [i] == mi) {
- pi = (PropertyInfo) ilist.Properties [i];
- break;
- }
+ return expr.Resolve (ec);
}
- type = TypeManager.TypeToCoreType (pi.PropertyType);
- if (type.IsPointer && !ec.InUnsafe)
- UnsafeError (loc);
+ type = spec.MemberType;
+ if (type.IsPointer && !ec.IsUnsafe)
+ UnsafeError (ec, loc);
- MethodInfo accessor;
+ MethodSpec accessor;
if (right_side == null) {
- accessor = get = pi.GetGetMethod (true);
+ accessor = spec.Get;
} else {
- accessor = set = pi.GetSetMethod (true);
- if (accessor == null && pi.GetGetMethod (true) != null) {
- Report.SymbolRelatedToPreviousError (pi);
- Report.Error (200, loc, "The read only property or indexer `{0}' cannot be assigned to",
- TypeManager.GetFullNameSignature (pi));
+ accessor = spec.Set;
+ if (!spec.HasSet && spec.HasGet) {
+ ec.Report.SymbolRelatedToPreviousError (spec);
+ ec.Report.Error (200, loc, "The read only property or indexer `{0}' cannot be assigned to",
+ spec.GetSignatureForError ());
return null;
}
set_expr = Convert.ImplicitConversion (ec, right_side, type, loc);
}
- if (accessor == null) {
- Report.SymbolRelatedToPreviousError (pi);
- Report.Error (154, loc, "The property or indexer `{0}' cannot be used in this context because it lacks a `{1}' accessor",
- TypeManager.GetFullNameSignature (pi), GetAccessorName (right_side != null));
+ if (accessor == null || accessor.Kind == MemberKind.FakeMethod) {
+ ec.Report.SymbolRelatedToPreviousError (spec);
+ ec.Report.Error (154, loc, "The property or indexer `{0}' cannot be used in this context because it lacks a `{1}' accessor",
+ spec.GetSignatureForError (), GetAccessorName (right_side != null));
return null;
}
//
// Only base will allow this invocation to happen.
//
- if (accessor.IsAbstract && this is BaseIndexerAccess) {
- Error_CannotCallAbstractBase (TypeManager.GetFullNameSignature (pi));
+ if (spec.IsAbstract && this is BaseIndexerAccess) {
+ Error_CannotCallAbstractBase (ec, spec.GetSignatureForError ());
}
bool must_do_cs1540_check;
- if (!IsAccessorAccessible (ec.CurrentType, accessor, out must_do_cs1540_check)) {
- if (set == null)
- set = pi.GetSetMethod (true);
- else
- get = pi.GetGetMethod (true);
-
- if (set != null && get != null &&
- (set.Attributes & MethodAttributes.MemberAccessMask) != (get.Attributes & MethodAttributes.MemberAccessMask)) {
- Report.SymbolRelatedToPreviousError (accessor);
- Report.Error (271, loc, "The property or indexer `{0}' cannot be used in this context because a `{1}' accessor is inaccessible",
- TypeManager.GetFullNameSignature (pi), GetAccessorName (right_side != null));
+ if (!IsMemberAccessible (ec.CurrentType, accessor, out must_do_cs1540_check)) {
+ if (spec.HasDifferentAccessibility) {
+ ec.Report.SymbolRelatedToPreviousError (accessor);
+ ec.Report.Error (271, loc, "The property or indexer `{0}' cannot be used in this context because a `{1}' accessor is inaccessible",
+ TypeManager.GetFullNameSignature (spec), GetAccessorName (right_side != null));
} else {
- Report.SymbolRelatedToPreviousError (pi);
- ErrorIsInaccesible (loc, TypeManager.GetFullNameSignature (pi));
+ ec.Report.SymbolRelatedToPreviousError (spec);
+ ErrorIsInaccesible (loc, TypeManager.GetFullNameSignature (spec), ec.Report);
}
}
instance_expr.CheckMarshalByRefAccess (ec);
+
+ if (must_do_cs1540_check && (instance_expr != EmptyExpression.Null) &&
+ !TypeManager.IsInstantiationOfSameGenericType (instance_expr.Type, ec.CurrentType) &&
+ !TypeManager.IsNestedChildOf (ec.CurrentType, instance_expr.Type) &&
+ !TypeManager.IsSubclassOf (instance_expr.Type, ec.CurrentType)) {
+ ec.Report.SymbolRelatedToPreviousError (accessor);
+ Error_CannotAccessProtected (ec, loc, spec, instance_expr.Type, ec.CurrentType);
+ return null;
+ }
+
eclass = ExprClass.IndexerAccess;
return this;
}
+
+ public override void Emit (EmitContext ec)
+ {
+ Emit (ec, false);
+ }
public void Emit (EmitContext ec, bool leave_copy)
{
if (prepared) {
prepared_value.Emit (ec);
} else {
- Invocation.EmitCall (ec, is_base_indexer, instance_expr, get,
+ Invocation.EmitCall (ec, is_base_indexer, instance_expr, spec.Get,
arguments, loc, false, false);
}
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
temp = new LocalTemporary (Type);
temp.Store (ec);
}
Expression value = set_expr;
if (prepared) {
- Invocation.EmitCall (ec, is_base_indexer, instance_expr, get,
+ Invocation.EmitCall (ec, is_base_indexer, instance_expr, spec.Get,
arguments, loc, true, false);
prepared_value = new LocalTemporary (type);
prepared_value.Release (ec);
if (leave_copy) {
- ec.ig.Emit (OpCodes.Dup);
+ ec.Emit (OpCodes.Dup);
temp = new LocalTemporary (Type);
temp.Store (ec);
}
if (!prepared)
arguments.Add (new Argument (value));
- Invocation.EmitCall (ec, is_base_indexer, instance_expr, set, arguments, loc, false, prepared);
+ Invocation.EmitCall (ec, is_base_indexer, instance_expr, spec.Set, arguments, loc, false, prepared);
if (temp != null) {
temp.Emit (ec);
}
}
- public override void Emit (EmitContext ec)
- {
- Emit (ec, false);
- }
-
public override string GetSignatureForError ()
{
- return TypeManager.CSharpSignature (get != null ? get : set, false);
+ return spec.GetSignatureForError ();
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+#if NET_4_0
+ public SLE.Expression MakeAssignExpression (BuilderContext ctx)
{
- if (get != null)
- get = storey.MutateGenericMethod (get);
- if (set != null)
- set = storey.MutateGenericMethod (set);
+ var value = new[] { set_expr.MakeExpression (ctx) };
+ var args = Arguments.MakeExpression (arguments, ctx).Concat (value);
- instance_expr.MutateHoistedGenericType (storey);
- if (arguments != null)
- arguments.MutateHoistedGenericType (storey);
+ return SLE.Expression.Block (
+ SLE.Expression.Call (instance_expr.MakeExpression (ctx), (MethodInfo) spec.Set.GetMetaInfo (), args),
+ value [0]);
+ }
+#endif
- type = storey.MutateType (type);
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
+ {
+ var args = Arguments.MakeExpression (arguments, ctx);
+ return SLE.Expression.Call (instance_expr.MakeExpression (ctx), (MethodInfo) spec.Get.GetMetaInfo (), args);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
this.args = args;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
Expression c = CommonResolve (ec);
return c;
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
Expression c = CommonResolve (ec);
return c;
}
- Expression CommonResolve (EmitContext ec)
+ Expression CommonResolve (ResolveContext ec)
{
Expression member_lookup;
- Type current_type = ec.CurrentType;
- Type base_type = current_type.BaseType;
+ TypeSpec current_type = ec.CurrentType;
+ TypeSpec base_type = current_type.BaseType;
if (!This.IsThisAvailable (ec)) {
if (ec.IsStatic) {
- Error (1511, "Keyword `base' is not available in a static method");
+ ec.Report.Error (1511, loc, "Keyword `base' is not available in a static method");
} else {
- Error (1512, "Keyword `base' is not available in the current context");
+ ec.Report.Error (1512, loc, "Keyword `base' is not available in the current context");
}
return null;
}
-
- member_lookup = MemberLookup (ec.CurrentType, null, base_type, Identifier,
- AllMemberTypes, AllBindingFlags, loc);
+
+ var arity = args == null ? -1 : args.Count;
+ member_lookup = MemberLookup (ec.Compiler, ec.CurrentType, null, base_type, Identifier, arity,
+ MemberKind.All, BindingRestriction.AccessibleOnly, loc);
if (member_lookup == null) {
- Error_MemberLookupFailed (ec.CurrentType, base_type, base_type, Identifier,
- null, AllMemberTypes, AllBindingFlags);
+ Error_MemberLookupFailed (ec, ec.CurrentType, base_type, base_type, Identifier, arity,
+ null, MemberKind.All, BindingRestriction.AccessibleOnly);
return null;
}
else
left = ec.GetThis (loc);
- MemberExpr me = (MemberExpr) member_lookup;
+ MemberExpr me = member_lookup as MemberExpr;
+ if (me == null){
+ if (member_lookup is TypeExpression){
+ ec.Report.Error (582, loc, "{0}: Can not reference a type through an expression, try `{1}' instead",
+ Identifier, member_lookup.GetSignatureForError ());
+ } else {
+ ec.Report.Error (582, loc, "{0}: Can not reference a {1} through an expression",
+ Identifier, member_lookup.ExprClassName);
+ }
+
+ return null;
+ }
+
me = me.ResolveMemberAccess (ec, left, loc, null);
if (me == null)
return null;
me.IsBase = true;
if (args != null) {
args.Resolve (ec);
- me.SetTypeArguments (args);
+ me.SetTypeArguments (ec, args);
}
return me;
this.arguments = args;
}
- protected override void CommonResolve (EmitContext ec)
+ protected override void CommonResolve (ResolveContext ec)
{
instance_expr = ec.GetThis (loc);
indexer_type = current_type;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- MemberExpr.Error_BaseAccessInExpressionTree (loc);
+ MemberExpr.Error_BaseAccessInExpressionTree (ec, loc);
return base.CreateExpressionTree (ec);
}
}
public class EmptyExpression : Expression {
public static readonly Expression Null = new EmptyExpression ();
- public static readonly EmptyExpression OutAccess = new EmptyExpression ();
+ public class OutAccess : EmptyExpression
+ {
+ public static readonly OutAccess Instance = new OutAccess ();
+
+ public override Expression DoResolveLValue (ResolveContext rc, Expression right_side)
+ {
+ rc.Report.Error (206, right_side.Location,
+ "A property, indexer or dynamic member access may not be passed as `ref' or `out' parameter");
+
+ return null;
+ }
+ }
+
public static readonly EmptyExpression LValueMemberAccess = new EmptyExpression ();
public static readonly EmptyExpression LValueMemberOutAccess = new EmptyExpression ();
public static readonly EmptyExpression UnaryAddress = new EmptyExpression ();
loc = Location.Null;
}
- public EmptyExpression (Type t)
+ public EmptyExpression (TypeSpec t)
{
type = t;
eclass = ExprClass.Value;
loc = Location.Null;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return this;
}
// instead of creating gazillions of EmptyExpressions.
// (CanImplicitConversion uses it)
//
- public void SetType (Type t)
+ public void SetType (TypeSpec t)
{
type = t;
}
private EmptyExpressionStatement ()
{
- eclass = ExprClass.Value;
loc = Location.Null;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
return null;
}
// Do nothing
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
+ eclass = ExprClass.Value;
type = TypeManager.object_type;
return this;
}
}
public class UserCast : Expression {
- MethodInfo method;
+ MethodSpec method;
Expression source;
- public UserCast (MethodInfo method, Expression source, Location l)
+ public UserCast (MethodSpec method, Expression source, Location l)
{
this.method = method;
this.source = source;
- type = TypeManager.TypeToCoreType (method.ReturnType);
+ type = method.ReturnType;
loc = l;
}
}
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (3);
args.Add (new Argument (source.CreateExpressionTree (ec)));
args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
args.Add (new Argument (new TypeOfMethod (method, loc)));
- return CreateExpressionFactoryCall ("Convert", args);
+ return CreateExpressionFactoryCall (ec, "Convert", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- ObsoleteAttribute oa = AttributeTester.GetMethodObsoleteAttribute (method);
+ ObsoleteAttribute oa = method.GetAttributeObsolete ();
if (oa != null)
- AttributeTester.Report_ObsoleteMessage (oa, GetSignatureForError (), loc);
+ AttributeTester.Report_ObsoleteMessage (oa, GetSignatureForError (), loc, ec.Report);
eclass = ExprClass.Value;
return this;
public override void Emit (EmitContext ec)
{
source.Emit (ec);
- ec.ig.Emit (OpCodes.Call, method);
+ ec.Emit (OpCodes.Call, method);
}
public override string GetSignatureForError ()
return TypeManager.CSharpSignature (method);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- source.MutateHoistedGenericType (storey);
- method = storey.MutateGenericMethod (method);
+ return SLE.Expression.Convert (source.MakeExpression (ctx), type.GetMetaInfo (), (MethodInfo) method.GetMetaInfo ());
}
}
loc = l;
}
- protected override TypeExpr DoResolveAsTypeStep (IResolveContext ec)
+ protected override TypeExpr DoResolveAsTypeStep (IMemberContext ec)
{
TypeExpr lexpr = left.ResolveAsTypeTerminal (ec, false);
if (lexpr == null)
return null;
- Type ltype = lexpr.Type;
+ TypeSpec ltype = lexpr.Type;
if ((dim.Length > 0) && (dim [0] == '?')) {
TypeExpr nullable = new Nullable.NullableType (lexpr, loc);
if (dim.Length > 1)
return nullable.ResolveAsTypeTerminal (ec, false);
}
- if (dim == "*" && !TypeManager.VerifyUnManaged (ltype, loc))
+ if (dim == "*" && !TypeManager.VerifyUnmanaged (ec.Compiler, ltype, loc))
return null;
if (dim.Length != 0 && dim [0] == '[') {
if (TypeManager.IsSpecialType (ltype)) {
- Report.Error (611, loc, "Array elements cannot be of type `{0}'", TypeManager.CSharpName (ltype));
+ ec.Compiler.Report.Error (611, loc, "Array elements cannot be of type `{0}'", TypeManager.CSharpName (ltype));
return null;
}
- if ((ltype.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute) {
- Report.SymbolRelatedToPreviousError (ltype);
- Report.Error (719, loc, "Array elements cannot be of static type `{0}'",
+ if (ltype.IsStatic) {
+ ec.Compiler.Report.SymbolRelatedToPreviousError (ltype);
+ ec.Compiler.Report.Error (719, loc, "Array elements cannot be of static type `{0}'",
TypeManager.CSharpName (ltype));
}
}
if (type == null)
throw new InternalErrorException ("Couldn't create computed type " + ltype + dim);
- if (type.IsPointer && !ec.IsInUnsafeScope){
- UnsafeError (loc);
+ if (type.IsPointer && !ec.IsUnsafe){
+ UnsafeError (ec.Compiler.Report, loc);
}
eclass = ExprClass.Type;
{
return left.GetSignatureForError () + dim;
}
-
- public override TypeExpr ResolveAsTypeTerminal (IResolveContext ec, bool silent)
- {
- return ResolveAsBaseTerminal (ec, silent);
- }
}
public class FixedBufferPtr : Expression {
Expression array;
- public FixedBufferPtr (Expression array, Type array_type, Location l)
+ public FixedBufferPtr (Expression array, TypeSpec array_type, Location l)
{
this.array = array;
this.loc = l;
- type = TypeManager.GetPointerType (array_type);
+ type = PointerContainer.MakeType (array_type);
eclass = ExprClass.Value;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Error_PointerInsideExpressionTree ();
+ Error_PointerInsideExpressionTree (ec);
return null;
}
array.Emit (ec);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
//
// We are born fully resolved
// for fixed (char *pa = a)
//
public class ArrayPtr : FixedBufferPtr {
- Type array_type;
+ TypeSpec array_type;
- public ArrayPtr (Expression array, Type array_type, Location l):
+ public ArrayPtr (Expression array, TypeSpec array_type, Location l):
base (array, array_type, l)
{
this.array_type = array_type;
{
base.Emit (ec);
- ILGenerator ig = ec.ig;
- IntLiteral.EmitInt (ig, 0);
- ig.Emit (OpCodes.Ldelema, array_type);
+ ec.EmitInt (0);
+ ec.Emit (OpCodes.Ldelema, array_type);
}
}
public class ArrayIndexCast : TypeCast
{
public ArrayIndexCast (Expression expr)
- : base (expr, expr.Type)
+ : base (expr, TypeManager.int32_type)
{
+ if (expr.Type == TypeManager.int32_type)
+ throw new ArgumentException ("unnecessary array index conversion");
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Arguments args = new Arguments (2);
- args.Add (new Argument (child.CreateExpressionTree (ec)));
- args.Add (new Argument (new TypeOf (new TypeExpression (TypeManager.int32_type, loc), loc)));
- return CreateExpressionFactoryCall ("ConvertChecked", args);
+ using (ec.Set (ResolveContext.Options.CheckedScope)) {
+ return base.CreateExpressionTree (ec);
+ }
}
public override void Emit (EmitContext ec)
{
child.Emit (ec);
-
- if (type == TypeManager.int32_type)
- return;
- if (type == TypeManager.uint32_type)
- ec.ig.Emit (OpCodes.Conv_U);
- else if (type == TypeManager.int64_type)
- ec.ig.Emit (OpCodes.Conv_Ovf_I);
- else if (type == TypeManager.uint64_type)
- ec.ig.Emit (OpCodes.Conv_Ovf_I_Un);
+ var expr_type = child.Type;
+
+ if (expr_type == TypeManager.uint32_type)
+ ec.Emit (OpCodes.Conv_U);
+ else if (expr_type == TypeManager.int64_type)
+ ec.Emit (OpCodes.Conv_Ovf_I);
+ else if (expr_type == TypeManager.uint64_type)
+ ec.Emit (OpCodes.Conv_Ovf_I_Un);
else
throw new InternalErrorException ("Cannot emit cast to unknown array element type", type);
}
// Implements the `stackalloc' keyword
//
public class StackAlloc : Expression {
- Type otype;
+ TypeSpec otype;
Expression t;
Expression count;
loc = l;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
count = count.Resolve (ec);
if (count == null)
Constant c = count as Constant;
if (c != null && c.IsNegative) {
- Report.Error (247, loc, "Cannot use a negative size with stackalloc");
- return null;
+ ec.Report.Error (247, loc, "Cannot use a negative size with stackalloc");
}
- if (ec.HasAny (EmitContext.Options.CatchScope | EmitContext.Options.FinallyScope)) {
- Error (255, "Cannot use stackalloc in finally or catch");
- return null;
+ if (ec.HasAny (ResolveContext.Options.CatchScope | ResolveContext.Options.FinallyScope)) {
+ ec.Report.Error (255, loc, "Cannot use stackalloc in finally or catch");
}
TypeExpr texpr = t.ResolveAsTypeTerminal (ec, false);
otype = texpr.Type;
- if (!TypeManager.VerifyUnManaged (otype, loc))
+ if (!TypeManager.VerifyUnmanaged (ec.Compiler, otype, loc))
return null;
- type = TypeManager.GetPointerType (otype);
+ type = PointerContainer.MakeType (otype);
eclass = ExprClass.Value;
return this;
public override void Emit (EmitContext ec)
{
int size = GetTypeSize (otype);
- ILGenerator ig = ec.ig;
count.Emit (ec);
if (size == 0)
- ig.Emit (OpCodes.Sizeof, otype);
+ ec.Emit (OpCodes.Sizeof, otype);
else
- IntConstant.EmitInt (ig, size);
+ ec.EmitInt (size);
- ig.Emit (OpCodes.Mul_Ovf_Un);
- ig.Emit (OpCodes.Localloc);
+ ec.Emit (OpCodes.Mul_Ovf_Un);
+ ec.Emit (OpCodes.Localloc);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
target.source = source.Clone (clonectx);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
FieldExpr fe = target as FieldExpr;
args.Add (new Argument (((PropertyExpr)target).CreateSetterTypeOfExpression ()));
args.Add (new Argument (source.CreateExpressionTree (ec)));
- return CreateExpressionFactoryCall (
+ return CreateExpressionFactoryCall (ec,
source is CollectionOrObjectInitializers ? "ListBind" : "Bind",
args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (source == null)
return EmptyExpressionStatement.Instance;
MemberExpr me = MemberLookupFinal (ec, ec.CurrentInitializerVariable.Type, ec.CurrentInitializerVariable.Type,
- Name, MemberTypes.Field | MemberTypes.Property, BindingFlags.Public | BindingFlags.Instance, loc) as MemberExpr;
+ Name, 0, MemberKind.Field | MemberKind.Property, BindingRestriction.AccessibleOnly | BindingRestriction.InstanceOnly, loc) as MemberExpr;
if (me == null)
return null;
//
Constant c = source as Constant;
if (c != null && c.IsDefaultInitializer (type) && target.eclass == ExprClass.Variable)
- return EmptyExpressionStatement.Instance.DoResolve (ec);
+ return EmptyExpressionStatement.Instance.Resolve (ec);
return expr;
}
- protected override Expression Error_MemberLookupFailed (Type type, MemberInfo[] members)
+ protected override MemberExpr Error_MemberLookupFailed (ResolveContext ec, TypeSpec type, IList<MemberSpec> members)
{
- MemberInfo member = members [0];
- if (member.MemberType != MemberTypes.Property && member.MemberType != MemberTypes.Field)
- Report.Error (1913, loc, "Member `{0}' cannot be initialized. An object " +
+ var member = members.First ();
+ if (member.Kind != MemberKind.Property && member.Kind != MemberKind.Field)
+ ec.Report.Error (1913, loc, "Member `{0}' cannot be initialized. An object " +
"initializer may only be used for fields, or properties", TypeManager.GetFullNameSignature (member));
else
- Report.Error (1914, loc, " Static field or property `{0}' cannot be assigned in an object initializer",
+ ec.Report.Error (1914, loc, " Static field or property `{0}' cannot be assigned in an object initializer",
TypeManager.GetFullNameSignature (member));
return null;
{
}
- protected override void Error_TypeDoesNotContainDefinition (Type type, string name)
+ protected override void Error_TypeDoesNotContainDefinition (ResolveContext ec, TypeSpec type, string name)
{
if (TypeManager.HasElementType (type))
return;
- base.Error_TypeDoesNotContainDefinition (type, name);
+ base.Error_TypeDoesNotContainDefinition (ec, type, name);
}
}
this.loc = argument.Location;
}
- public CollectionElementInitializer (ArrayList arguments, Location loc)
+ public CollectionElementInitializer (List<Expression> arguments, Location loc)
: base (null, new Arguments (arguments.Count))
{
foreach (Expression e in arguments)
this.loc = loc;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (mg.CreateExpressionTree (ec)));
- ArrayList expr_initializers = new ArrayList (arguments.Count);
+ var expr_initializers = new ArrayInitializer (arguments.Count, loc);
foreach (Argument a in arguments)
expr_initializers.Add (a.CreateExpressionTree (ec));
args.Add (new Argument (new ArrayCreation (
- CreateExpressionTypeExpression (loc), "[]", expr_initializers, loc)));
- return CreateExpressionFactoryCall ("ElementInit", args);
+ CreateExpressionTypeExpression (ec, loc), "[]", expr_initializers, loc)));
+ return CreateExpressionFactoryCall (ec, "ElementInit", args);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
target.arguments = arguments.Clone (clonectx);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return this;
-
base.expr = new AddMemberAccess (ec.CurrentInitializerVariable, loc);
return base.DoResolve (ec);
//
public class CollectionOrObjectInitializers : ExpressionStatement
{
- ArrayList initializers;
+ IList<Expression> initializers;
bool is_collection_initialization;
public static readonly CollectionOrObjectInitializers Empty =
- new CollectionOrObjectInitializers (new ArrayList (0), Location.Null);
+ new CollectionOrObjectInitializers (Array.AsReadOnly (new Expression [0]), Location.Null);
- public CollectionOrObjectInitializers (ArrayList initializers, Location loc)
+ public CollectionOrObjectInitializers (IList<Expression> initializers, Location loc)
{
this.initializers = initializers;
this.loc = loc;
{
CollectionOrObjectInitializers t = (CollectionOrObjectInitializers) target;
- t.initializers = new ArrayList (initializers.Count);
- foreach (Expression e in initializers)
+ t.initializers = new List<Expression> (initializers.Count);
+ foreach (var e in initializers)
t.initializers.Add (e.Clone (clonectx));
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- ArrayList expr_initializers = new ArrayList (initializers.Count);
+ var expr_initializers = new ArrayInitializer (initializers.Count, loc);
foreach (Expression e in initializers) {
Expression expr = e.CreateExpressionTree (ec);
if (expr != null)
return new ImplicitlyTypedArrayCreation ("[]", expr_initializers, loc);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return this;
-
- ArrayList element_names = null;
+ List<string> element_names = null;
for (int i = 0; i < initializers.Count; ++i) {
Expression initializer = (Expression) initializers [i];
ElementInitializer element_initializer = initializer as ElementInitializer;
if (i == 0) {
if (element_initializer != null) {
- element_names = new ArrayList (initializers.Count);
+ element_names = new List<string> (initializers.Count);
element_names.Add (element_initializer.Name);
} else if (initializer is CompletingExpression){
initializer.Resolve (ec);
throw new InternalErrorException ("This line should never be reached");
} else {
- if (!TypeManager.ImplementsInterface (ec.CurrentInitializerVariable.Type, TypeManager.ienumerable_type)) {
- Report.Error (1922, loc, "A field or property `{0}' cannot be initialized with a collection " +
+ if (!ec.CurrentInitializerVariable.Type.ImplementsInterface (TypeManager.ienumerable_type)) {
+ ec.Report.Error (1922, loc, "A field or property `{0}' cannot be initialized with a collection " +
"object initializer because type `{1}' does not implement `{2}' interface",
ec.CurrentInitializerVariable.GetSignatureForError (),
TypeManager.CSharpName (ec.CurrentInitializerVariable.Type),
}
} else {
if (is_collection_initialization != (element_initializer == null)) {
- Report.Error (747, initializer.Location, "Inconsistent `{0}' member declaration",
+ ec.Report.Error (747, initializer.Location, "Inconsistent `{0}' member declaration",
is_collection_initialization ? "collection initializer" : "object initializer");
continue;
}
if (!is_collection_initialization) {
if (element_names.Contains (element_initializer.Name)) {
- Report.Error (1912, element_initializer.Location,
+ ec.Report.Error (1912, element_initializer.Location,
"An object initializer includes more than one member `{0}' initialization",
element_initializer.Name);
} else {
type = ec.CurrentInitializerVariable.Type;
if (is_collection_initialization) {
if (TypeManager.HasElementType (type)) {
- Report.Error (1925, loc, "Cannot initialize object of type `{0}' with a collection initializer",
+ ec.Report.Error (1925, loc, "Cannot initialize object of type `{0}' with a collection initializer",
TypeManager.CSharpName (type));
}
}
foreach (ExpressionStatement e in initializers)
e.EmitStatement (ec);
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- foreach (Expression e in initializers)
- e.MutateHoistedGenericType (storey);
- }
}
//
this.new_instance = newInstance;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
// Should not be reached
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return this;
}
- public override Expression DoResolveLValue (EmitContext ec, Expression right_side)
+ public override Expression DoResolveLValue (ResolveContext ec, Expression right_side)
{
return this;
}
target.initializers = (CollectionOrObjectInitializers) initializers.Clone (clonectx);
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
args.Add (new Argument (base.CreateExpressionTree (ec)));
if (!initializers.IsEmpty)
args.Add (new Argument (initializers.CreateExpressionTree (ec)));
- return CreateExpressionFactoryCall (
+ return CreateExpressionFactoryCall (ec,
initializers.IsCollectionInitializer ? "ListInit" : "MemberInit",
args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return this;
-
Expression e = base.DoResolve (ec);
if (type == null)
return null;
return !initializers.IsEmpty;
}
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- base.MutateHoistedGenericType (storey);
- initializers.MutateHoistedGenericType (storey);
- }
}
- public class AnonymousTypeDeclaration : Expression
+ public class NewAnonymousType : New
{
- ArrayList parameters;
+ static readonly AnonymousTypeParameter[] EmptyParameters = new AnonymousTypeParameter[0];
+
+ List<AnonymousTypeParameter> parameters;
readonly TypeContainer parent;
- static readonly ArrayList EmptyParameters = new ArrayList (0);
+ AnonymousTypeClass anonymous_type;
- public AnonymousTypeDeclaration (ArrayList parameters, TypeContainer parent, Location loc)
+ public NewAnonymousType (List<AnonymousTypeParameter> parameters, TypeContainer parent, Location loc)
+ : base (null, null, loc)
{
this.parameters = parameters;
this.parent = parent;
- this.loc = loc;
}
protected override void CloneTo (CloneContext clonectx, Expression target)
if (parameters == null)
return;
- AnonymousTypeDeclaration t = (AnonymousTypeDeclaration) target;
- t.parameters = new ArrayList (parameters.Count);
+ NewAnonymousType t = (NewAnonymousType) target;
+ t.parameters = new List<AnonymousTypeParameter> (parameters.Count);
foreach (AnonymousTypeParameter atp in parameters)
- t.parameters.Add (atp.Clone (clonectx));
+ t.parameters.Add ((AnonymousTypeParameter) atp.Clone (clonectx));
}
- AnonymousTypeClass CreateAnonymousType (ArrayList parameters)
+ AnonymousTypeClass CreateAnonymousType (ResolveContext ec, IList<AnonymousTypeParameter> parameters)
{
- AnonymousTypeClass type = parent.Module.GetAnonymousType (parameters);
+ AnonymousTypeClass type = parent.Module.Compiled.GetAnonymousType (parameters);
if (type != null)
return type;
- type = AnonymousTypeClass.Create (parent, parameters, loc);
+ type = AnonymousTypeClass.Create (ec.Compiler, parent, parameters, loc);
if (type == null)
return null;
+ type.CreateType ();
type.DefineType ();
+ type.ResolveTypeParameters ();
type.Define ();
type.EmitType ();
- if (Report.Errors == 0)
+ if (ec.Report.Errors == 0)
type.CloseType ();
- parent.Module.AddAnonymousType (type);
+ parent.Module.Compiled.AddAnonymousType (type);
return type;
}
- public override Expression CreateExpressionTree (EmitContext ec)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- throw new NotSupportedException ("ET");
+ if (parameters == null)
+ return base.CreateExpressionTree (ec);
+
+ var init = new ArrayInitializer (parameters.Count, loc);
+ foreach (Property p in anonymous_type.Properties)
+ init.Add (new TypeOfMethod (MemberCache.GetMember (type, p.Get.Spec), loc));
+
+ var ctor_args = new ArrayInitializer (Arguments.Count, loc);
+ foreach (Argument a in Arguments)
+ ctor_args.Add (a.CreateExpressionTree (ec));
+
+ Arguments args = new Arguments (3);
+ args.Add (new Argument (method.CreateExpressionTree (ec)));
+ args.Add (new Argument (new ArrayCreation (TypeManager.expression_type_expr, "[]", ctor_args, loc)));
+ args.Add (new Argument (new ImplicitlyTypedArrayCreation ("[]", init, loc)));
+
+ return CreateExpressionFactoryCall (ec, "New", args);
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- AnonymousTypeClass anonymous_type;
-
- if (ec.HasSet (EmitContext.Options.ConstantScope)) {
- Report.Error (836, loc, "Anonymous types cannot be used in this expression");
+ if (ec.HasSet (ResolveContext.Options.ConstantScope)) {
+ ec.Report.Error (836, loc, "Anonymous types cannot be used in this expression");
return null;
}
if (parameters == null) {
- anonymous_type = CreateAnonymousType (EmptyParameters);
- return new New (new TypeExpression (anonymous_type.TypeBuilder, loc),
- null, loc).Resolve (ec);
+ anonymous_type = CreateAnonymousType (ec, EmptyParameters);
+ RequestedType = new TypeExpression (anonymous_type.Definition, loc);
+ return base.DoResolve (ec);
}
bool error = false;
- Arguments arguments = new Arguments (parameters.Count);
+ Arguments = new Arguments (parameters.Count);
TypeExpression [] t_args = new TypeExpression [parameters.Count];
for (int i = 0; i < parameters.Count; ++i) {
Expression e = ((AnonymousTypeParameter) parameters [i]).Resolve (ec);
continue;
}
- arguments.Add (new Argument (e));
+ Arguments.Add (new Argument (e));
t_args [i] = new TypeExpression (e.Type, e.Location);
}
if (error)
return null;
- anonymous_type = CreateAnonymousType (parameters);
+ anonymous_type = CreateAnonymousType (ec, parameters);
if (anonymous_type == null)
return null;
- GenericTypeExpr te = new GenericTypeExpr (anonymous_type.TypeBuilder,
- new TypeArguments (t_args), loc);
-
- return new New (te, arguments, loc).Resolve (ec);
- }
-
- public override void Emit (EmitContext ec)
- {
- throw new InternalErrorException ("Should not be reached");
+ RequestedType = new GenericTypeExpr (anonymous_type.Definition, new TypeArguments (t_args), loc);
+ return base.DoResolve (ec);
}
}
- public class AnonymousTypeParameter : Expression
+ public class AnonymousTypeParameter : ShimExpression
{
public readonly string Name;
- Expression initializer;
public AnonymousTypeParameter (Expression initializer, string name, Location loc)
+ : base (initializer)
{
this.Name = name;
this.loc = loc;
- this.initializer = initializer;
}
public AnonymousTypeParameter (Parameter parameter)
+ : base (new SimpleName (parameter.Name, parameter.Location))
{
this.Name = parameter.Name;
this.loc = parameter.Location;
- this.initializer = new SimpleName (Name, loc);
}
- protected override void CloneTo (CloneContext clonectx, Expression target)
- {
- AnonymousTypeParameter t = (AnonymousTypeParameter) target;
- t.initializer = initializer.Clone (clonectx);
- }
-
- public override Expression CreateExpressionTree (EmitContext ec)
- {
- throw new NotSupportedException ("ET");
- }
-
public override bool Equals (object o)
{
AnonymousTypeParameter other = o as AnonymousTypeParameter;
return Name.GetHashCode ();
}
- public override Expression DoResolve (EmitContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- Expression e = initializer.Resolve (ec);
+ Expression e = expr.Resolve (ec);
if (e == null)
return null;
if (e.eclass == ExprClass.MethodGroup) {
- Error_InvalidInitializer (e.ExprClassName);
+ Error_InvalidInitializer (ec, e.ExprClassName);
return null;
}
type = e.Type;
if (type == TypeManager.void_type || type == TypeManager.null_type ||
type == InternalType.AnonymousMethod || type.IsPointer) {
- Error_InvalidInitializer (e.GetSignatureForError ());
+ Error_InvalidInitializer (ec, e.GetSignatureForError ());
return null;
}
return e;
}
- protected virtual void Error_InvalidInitializer (string initializer)
+ protected virtual void Error_InvalidInitializer (ResolveContext ec, string initializer)
{
- Report.Error (828, loc, "An anonymous type property `{0}' cannot be initialized with `{1}'",
+ ec.Report.Error (828, loc, "An anonymous type property `{0}' cannot be initialized with `{1}'",
Name, initializer);
}
-
- public override void Emit (EmitContext ec)
- {
- throw new InternalErrorException ("Should not be reached");
- }
}
}
projects / mono.git / blobdiff