namespace Mono.CSharp {
using System;
- using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
using System.Text;
-
-#if NET_4_0
using System.Linq;
using SLE = System.Linq.Expressions;
-#endif
//
// This is an user operator expression, automatically created during
this.arguments = args;
this.expr_tree = expr_tree;
- type = TypeManager.TypeToCoreType (((MethodInfo) mg).ReturnType);
+ type = mg.BestCandidate.ReturnType;
eclass = ExprClass.Value;
this.loc = loc;
}
// Nothing to clone
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
//
// We are born fully resolved
mg.EmitCall (ec, arguments);
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- return SLE.Expression.Call ((MethodInfo) mg, Arguments.MakeExpression (arguments, ctx));
+ var method = mg.BestCandidate.GetMetaInfo () as MethodInfo;
+ return SLE.Expression.Call (method, Arguments.MakeExpression (arguments, ctx));
}
-#endif
public MethodGroupExpr Method {
get { return mg; }
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- arguments.MutateHoistedGenericType (storey);
- mg.MutateHoistedGenericType (storey);
- }
}
public class ParenthesizedExpression : ShimExpression
loc = expr.Location;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return expr.Resolve (ec);
}
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>
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:
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);
}
if (predefined_operators == null)
CreatePredefinedOperatorsTable ();
- Type expr_type = expr.Type;
+ TypeSpec expr_type = expr.Type;
Expression best_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;
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 (ResolveContext 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).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);
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 (ResolveContext ec, Location loc, string oper, Type t)
+ public static void Error_OperatorCannotBeApplied (ResolveContext ec, Location loc, string oper, TypeSpec t)
{
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 ());
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
var expr = Expr.MakeExpression (ctx);
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 ());
}
}
-#endif
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public static void Reset ()
{
- type = storey.MutateType (type);
- Expr.MutateHoistedGenericType (storey);
+ predefined_operators = null;
}
Expression ResolveAddressOf (ResolveContext ec)
return null;
}
- if (!TypeManager.VerifyUnManaged (Expr.Type, loc)) {
+ if (!TypeManager.VerifyUnmanaged (ec.Compiler, Expr.Type, loc)) {
return null;
}
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;
}
}
string op_name = CSharp.Operator.GetMetadataName (op_type);
- MethodGroupExpr user_op = MemberLookup (ec.Compiler, 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;
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, false);
+ TypeSpec[] predefined = predefined_operators [(int) Oper];
+ foreach (TypeSpec t in predefined) {
+ Expression oper_expr = Convert.ImplicitUserConversion (ec, expr, t, expr.Location);
if (oper_expr == null)
continue;
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);
return DoResolve (ec);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
throw new NotImplementedException ("ET");
}
- public override Expression DoResolve (ResolveContext rc)
+ protected override Expression DoResolve (ResolveContext rc)
{
eclass = expr.eclass;
return this;
// 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;
}
return new SimpleAssign (this, this).CreateExpressionTree (ec);
}
- public override Expression DoResolve (ResolveContext 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
// 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 (Type t)
+ static bool IsPredefinedOperator (TypeSpec t)
{
return (TypeManager.IsPrimitiveType (t) && t != TypeManager.bool_type) ||
TypeManager.IsEnumType (t) ||
// 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);
+ operation = new Binary (op, operation, one, loc);
operation = operation.Resolve (ec);
- if (operation.Type != type)
+ if (operation != null && operation.Type != type)
operation = Convert.ExplicitNumericConversion (operation, type);
return this;
//
// Step 2: Perform Operator Overload location
//
- MethodGroupExpr mg;
string op_name;
if (IsDecrement)
else
op_name = Operator.GetMetadataName (Operator.OpType.Increment);
- mg = MemberLookup (ec.Compiler, ec.CurrentType, type, op_name, MemberTypes.Method, AllBindingFlags, loc) as MethodGroupExpr;
+ var mg = MethodLookup (ec.Compiler, ec.CurrentType, type, MemberKind.Operator, op_name, 0, loc);
if (mg != null) {
Arguments args = new Arguments (1);
}
}
- public override Expression DoResolve (ResolveContext 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) {
+ 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);
}
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 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 (ResolveContext ec, bool result)
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 (ResolveContext 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;
//
if (expr.IsNull || expr.eclass == ExprClass.MethodGroup)
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)) {
return CreateConstantResult (ec, true);
}
- if (TypeManager.IsGenericParameter (d))
- return ResolveGenericParameter (ec, 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 (ec, d, t);
+ return ResolveGenericParameter (ec, d, (TypeParameterSpec) t);
if (TypeManager.IsStruct (d)) {
- bool temp;
- if (Convert.ImplicitBoxingConversionExists (expr, t, out temp))
+ if (Convert.ImplicitBoxingConversion (null, d, t) != null)
return CreateConstantResult (ec, true);
} else {
if (TypeManager.IsGenericParameter (d))
- return ResolveGenericParameter (ec, t, d);
+ return ResolveGenericParameter (ec, t, (TypeParameterSpec) d);
if (TypeManager.ContainsGenericParameters (d))
return this;
return CreateConstantResult (ec, false);
}
- Expression ResolveGenericParameter (ResolveContext ec, 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))
+ if (t.IsReferenceType) {
+ if (TypeManager.IsStruct (d))
return CreateConstantResult (ec, false);
}
if (TypeManager.IsGenericParameter (expr.Type)) {
- if (constraints != null && constraints.IsValueType && expr.Type == t)
+ if (t.IsValueType && expr.Type == t)
return CreateConstantResult (ec, true);
expr = new BoxedCast (expr, d);
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 (TypeManager.IsGenericParameter (type) || TypeManager.IsNullableType (type))
- ig.Emit (OpCodes.Unbox_Any, type);
+ ec.Emit (OpCodes.Unbox_Any, type);
}
- public override Expression DoResolve (ResolveContext 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)) {
protected override string OperatorName {
get { return "as"; }
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- base.MutateHoistedGenericType (storey);
- }
-
- public override bool GetAttributableValue (ResolveContext ec, Type value_type, out object value)
- {
- return expr.GetAttributableValue (ec, value_type, out value);
- }
}
- /// <summary>
- /// This represents a typecast in the source language.
- ///
- /// FIXME: Cast expressions have an unusual set of parsing
- /// rules, we need to figure those out.
- /// </summary>
+ //
+ // This represents a typecast in the source language.
+ //
public class Cast : ShimExpression {
Expression target_type;
-
- 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)
get { return target_type; }
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
type = target.Type;
- if (type.IsAbstract && type.IsSealed) {
+ if (type.IsStatic) {
ec.Report.Error (716, loc, "Cannot convert to static type `{0}'", TypeManager.CSharpName (type));
return null;
}
if (type.IsPointer && !ec.IsUnsafe) {
UnsafeError (ec, loc);
- } else if (TypeManager.IsDynamicType (expr.Type)) {
+ } else if (expr.Type == InternalType.Dynamic) {
Arguments arg = new Arguments (1);
arg.Add (new Argument (expr));
return new DynamicConversion (type, CSharpBinderFlags.ConvertExplicit, arg, loc).Resolve (ec);
}
- expr = Convert.ExplicitConversion (ec, expr, type, loc);
- return expr;
+ var res = Convert.ExplicitConversion (ec, expr, type, loc);
+ if (res == expr)
+ return EmptyCast.Create (res, type);
+
+ return res;
}
protected override void CloneTo (CloneContext clonectx, Expression t)
{
bool arrayAccess;
- public ImplicitCast (Expression expr, Type target, bool arrayAccess)
+ public ImplicitCast (Expression expr, TypeSpec target, bool arrayAccess)
: base (expr)
{
this.loc = expr.Location;
this.arrayAccess = arrayAccess;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (ResolveContext 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) {
+ 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 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");
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
}
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;
//
// 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)
{
}
// 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)
{
}
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 {
public static void Error_OperatorCannotBeApplied (ResolveContext ec, Expression left, Expression right, Operator oper, Location loc)
{
- new Binary (oper, left, right).Error_OperatorCannotBeApplied (ec, left, right);
+ new Binary (oper, left, right, loc).Error_OperatorCannotBeApplied (ec, left, right);
}
public static void Error_OperatorCannotBeApplied (ResolveContext ec, Expression left, Expression right, string oper, Location 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:
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;
}
+ 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;
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;
}
//
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 (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (left == null)
return null;
if (rc != null && lc != null) {
int prev_e = ec.Report.Errors;
- Expression e = ConstantFold.BinaryFold (
- ec, oper, lc, rc, loc);
+ Expression e = ConstantFold.BinaryFold (ec, oper, lc, rc, loc);
+ if (e != null)
+ e = e.Resolve (ec);
+
if (e != null || ec.Report.Errors != prev_e)
return e;
}
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 expr;
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
var le = left.MakeExpression (ctx);
throw new NotImplementedException (oper.ToString ());
}
}
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- left.MutateHoistedGenericType (storey);
- right.MutateHoistedGenericType (storey);
- }
//
// D operator + (D x, D y)
// bool operator == (D x, D y)
// bool operator != (D x, D y)
//
- Expression ResolveOperatorDelegate (ResolveContext 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 (ResolveContext 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);
Expression ltemp = left;
Expression rtemp = right;
- Type underlying_type;
+ TypeSpec underlying_type;
Expression expr;
if ((oper & (Operator.ComparisonMask | Operator.BitwiseMask)) != 0) {
}
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);
//
// 7.9.6 Reference type equality operators
//
- Binary ResolveOperatorEqualityRerefence (ResolveContext 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 (TypeManager.IsEqual (l, r)) {
- if (lgen) {
+ if (l == r) {
+ if (l is InternalType)
+ return null;
+
+ 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;
return null;
}
- if (rgen) {
+ if (rgen != null) {
if (!TypeManager.IsReferenceType (r))
return null;
}
- Expression ResolveOperatorPointer (ResolveContext 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 (ResolveContext 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) {
new SideEffectConstant (lc, right, loc) :
new SideEffectConstant (rc, left, loc);
- return ReducedExpression.Create (side_effect, expr);
+ return ReducedExpression.Create (side_effect.Resolve (ec), expr);
}
}
//
// Performs user-operator overloading
//
- protected virtual Expression ResolveUserOperator (ResolveContext 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.Compiler, 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.Compiler, 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 null;
}
- private void CheckUselessComparison (ResolveContext ec, Constant c, Type type)
+ private void CheckUselessComparison (ResolveContext ec, Constant c, TypeSpec type)
{
if (c == null || !IsTypeIntegral (type)
|| c is StringConstant
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 (ResolveContext ec, Type type)
+ private void WarnUselessComparison (ResolveContext ec, TypeSpec type)
{
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 <=
// but on top of that we want for == and != to use a special path
// if we are comparing against null
//
- if ((oper == Operator.Equality || oper == Operator.Inequality) && (left is Constant || right is Constant)) {
+ if ((oper & Operator.EqualityMask) != 0 && (left is Constant || right is Constant)) {
bool my_on_true = oper == Operator.Inequality ? on_true : !on_true;
//
left = swap;
}
- if (((Constant) right).IsZeroInteger) {
+ //
+ // brtrue/brfalse works with native int only
+ //
+ if (((Constant) right).IsZeroInteger && right.Type != TypeManager.int64_type && right.Type != TypeManager.uint64_type) {
left.EmitBranchable (ec, target, my_on_true);
return;
}
} 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;
-
- } else if (!(oper == Operator.LessThan || oper == Operator.GreaterThan ||
- oper == Operator.LessThanOrEqual || oper == Operator.GreaterThanOrEqual ||
- oper == Operator.Equality || oper == Operator.Inequality)) {
+
+ } else if ((oper & Operator.ComparisonMask) == 0) {
base.EmitBranchable (ec, target, on_true);
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
+ // Optimize zero-based operations which cannot be optimized at expression level
//
- // TODO: Implement more optimizations, but it should probably go to PredefinedOperators
- //
- 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 Expression CreateCallSiteBinder (ResolveContext ec, Arguments args)
{
- Arguments binder_args = new Arguments (3);
+ Arguments binder_args = new Arguments (4);
MemberAccess sle = new MemberAccess (new MemberAccess (
new QualifiedAliasMember (QualifiedAliasMember.GlobalAlias, "System", loc), "Linq", loc), "Expressions", 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 ImplicitlyTypedArrayCreation ("[]", args.CreateDynamicBinderArguments (ec), 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 Invocation (DynamicExpressionStatement.GetBinder ("BinaryOperation", loc), binder_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 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)
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 (ResolveContext 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;
}
}
concat.Emit (ec);
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
if (arguments.Count != 2)
throw new NotImplementedException ("arguments.Count != 2");
- var concat = TypeManager.string_type.GetMethod ("Concat", new[] { typeof (object), typeof (object) });
+ 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);
}
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- arguments.MutateHoistedGenericType (storey);
- }
}
//
: base (oper_method, arguments, expr_tree, loc)
{
this.is_and = is_and;
+ eclass = ExprClass.Unresolved;
}
- public override Expression DoResolve (ResolveContext 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])) {
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",
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;
return null;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
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) {
- // TODO: Should be the checks resolve context sensitive?
- ResolveContext rc = new ResolveContext (ec.MemberContext);
- right = ConstantFold.BinaryFold (rc, 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);
}
return base.CreateExpressionTree (ec);
}
- public override Expression DoResolve (ResolveContext 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
if (expr.Type == TypeManager.bool_type)
return expr;
- if (TypeManager.IsDynamicType (expr.Type)) {
+ if (expr.Type == InternalType.Dynamic) {
Arguments args = new Arguments (1);
args.Add (new Argument (expr));
return new DynamicUnaryConversion ("IsTrue", args, loc).Resolve (ec);
return CreateExpressionFactoryCall (ec, "Condition", args);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
expr = expr.Resolve (ec);
true_expr = true_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) {
- ec.Report.Error (172, loc,
- "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 {
- ec.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}'",
TypeManager.CSharpName (true_type), TypeManager.CSharpName (false_type));
return null;
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 (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)
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) {
// 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 ((AnonymousExpression) null) != null; }
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- }
}
/// <summary>
public Block Block;
public LocalInfo local_info;
bool is_readonly;
- bool resolved; // TODO: merge with eclass
public LocalVariableReference (Block block, string name, Location l)
{
Expression DoResolveBase (ResolveContext ec)
{
- type = local_info.VariableType;
-
Expression e = Block.GetConstantExpression (Name);
if (e != null)
return e.Resolve (ec);
}
}
- resolved |= ec.DoFlowAnalysis;
eclass = ExprClass.Variable;
+ type = local_info.VariableType;
return this;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (resolved)
- return this;
-
ResolveLocalInfo ();
local_info.Used = 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)
{
// the type as it is expected, but when we generate the code, we generate
// the alternate kind of code.
//
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (!DoResolveBase (ec))
return null;
if (!DoResolveBase (ec))
return null;
- // HACK: parameters are not captured when probing is on
- if (!ec.IsInProbingMode)
- SetAssigned (ec);
-
+ SetAssigned (ec);
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;
}
}
return CreateExpressionFactoryCall (ec, "Call", args);
}
- public override Expression DoResolve (ResolveContext 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) {
- 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;
- }
+ 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.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)));
+ 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 (ec, ResolveFlags.MethodGroup, loc);
- return null;
- }
-
- mg = ec.LookupExtensionMethod (me.Type, me.Name, loc);
- if (mg == null) {
- ec.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);
-
- // TODO: this is a copy of mg.ResolveMemberAccess method
- Expression iexpr = mg.InstanceExpression;
- if (method.IsStatic) {
- if (iexpr == null ||
- iexpr is This || iexpr is EmptyExpression ||
- mg.IdenticalTypeName) {
- mg.InstanceExpression = null;
- } else {
- MemberExpr.error176 (ec, loc, mg.GetSignatureForError ());
- return null;
- }
- } else {
- if (iexpr == null || iexpr == EmptyExpression.Null) {
- SimpleName.Error_ObjectRefRequired (ec, loc, mg.GetSignatureForError ());
- }
- }
+ type = method.ReturnType;
}
//
return this;
}
+ 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;
+ }
+
+ if (arguments == null)
+ args = new Arguments (1);
+ else
+ args = arguments;
+
+ MemberAccess ma = expr as MemberAccess;
+ if (ma != null) {
+ var left_type = ma.Left as TypeExpr;
+ if (left_type != null) {
+ args.Insert (0, new Argument (new TypeOf (left_type, loc).Resolve (ec), Argument.AType.DynamicTypeName));
+ } else {
+ args.Insert (0, new Argument (ma.Left));
+ }
+ } else { // is SimpleName
+ if (ec.IsStatic) {
+ args.Insert (0, new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc).Resolve (ec), Argument.AType.DynamicTypeName));
+ } 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 (ResolveContext ec, 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))
ec.Report.SymbolRelatedToPreviousError (method);
ec.Report.Error (571, loc, "`{0}': cannot explicitly call operator or accessor",
- TypeManager.CSharpSignature (method, true));
+ 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 (TypeManager.IsBeingCompiled (method)) {
- 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 (!is_static){
- this_call = instance_expr is This;
- if (TypeManager.IsStruct (decl_type) || TypeManager.IsEnumType (decl_type))
- struct_call = true;
+
+ OpCode call_op;
+ TypeSpec iexpr_type;
+
+ if (method.IsStatic) {
+ iexpr_type = null;
+ call_op = OpCodes.Call;
+ } else {
+ iexpr_type = instance_expr.Type;
+
+ if (is_base || decl_type.IsStruct || decl_type.IsEnum || (instance_expr is This && !method.IsVirtual)) {
+ call_op = OpCodes.Call;
+ } else {
+ call_op = OpCodes.Callvirt;
+ }
//
// If this is ourselves, push "this"
//
if (!omit_args) {
- Type t = null;
- Type iexpr_type = instance_expr.Type;
+ TypeSpec t = iexpr_type;
//
// Push the instance expression
//
- if (TypeManager.IsValueType (iexpr_type) || TypeManager.IsGenericParameter (iexpr_type)) {
+ if ((iexpr_type.IsStruct && (call_op == OpCodes.Callvirt || (call_op == OpCodes.Call && decl_type == iexpr_type))) ||
+ iexpr_type.IsGenericParameter || TypeManager.IsNullableType (decl_type)) {
//
- // Special case: calls to a function declared in a
- // reference-type with a value-type argument need
- // to have their value boxed.
- if (TypeManager.IsStruct (decl_type) ||
- TypeManager.IsGenericParameter (iexpr_type)) {
- //
- // If the expression implements IMemoryLocation, then
- // we can optimize and use AddressOf on the
- // return.
- //
- // If not we have to use some temporary storage for
- // it.
- if (instance_expr is IMemoryLocation) {
- ((IMemoryLocation)instance_expr).
- AddressOf (ec, AddressOp.LoadStore);
- } else {
- LocalTemporary temp = new LocalTemporary (iexpr_type);
- instance_expr.Emit (ec);
- temp.Store (ec);
- temp.AddressOf (ec, AddressOp.Load);
- }
-
- // avoid the overhead of doing this all the time.
- if (dup_args)
- t = TypeManager.GetReferenceType (iexpr_type);
+ // If the expression implements IMemoryLocation, then
+ // we can optimize and use AddressOf on the
+ // return.
+ //
+ // If not we have to use some temporary storage for
+ // it.
+ var iml = instance_expr as IMemoryLocation;
+ if (iml != null) {
+ iml.AddressOf (ec, AddressOp.LoadStore);
} else {
+ LocalTemporary temp = new LocalTemporary (iexpr_type);
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);
- t = TypeManager.object_type;
+ temp.Store (ec);
+ temp.AddressOf (ec, AddressOp.Load);
}
+
+ // avoid the overhead of doing this all the time.
+ if (dup_args)
+ t = ReferenceContainer.MakeType (iexpr_type);
+ } else if (iexpr_type.IsEnum || iexpr_type.IsStruct) {
+ instance_expr.Emit (ec);
+ ec.Emit (OpCodes.Box, iexpr_type);
+ t = iexpr_type = TypeManager.object_type;
} else {
instance_expr.Emit (ec);
- t = instance_expr.Type;
}
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 ((instance_expr != null) && (instance_expr.Type.IsGenericParameter))
- ig.Emit (OpCodes.Constrained, instance_expr.Type);
+ if (call_op == OpCodes.Callvirt && (iexpr_type.IsGenericParameter || iexpr_type.IsStruct)) {
+ ec.Emit (OpCodes.Constrained, iexpr_type);
}
- if ((method.CallingConvention & CallingConventions.VarArgs) != 0) {
+ if (method.Parameters.HasArglist) {
Type[] varargs_types = GetVarargsTypes (method, Arguments);
- ig.EmitCall (call_op, (MethodInfo) method, varargs_types);
+ ec.Emit (call_op, method, varargs_types);
return;
}
// 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);
+ ec.Emit (call_op, method);
}
public override void Emit (EmitContext ec)
//
// Pop the return value if there is one
//
- if (TypeManager.TypeToCoreType (type) != TypeManager.void_type)
- ec.ig.Emit (OpCodes.Pop);
+ if (type != TypeManager.void_type)
+ ec.Emit (OpCodes.Pop);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
target.expr = expr.Clone (clonectx);
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- return MakeExpression (ctx, mg.InstanceExpression, (MethodInfo) mg, arguments);
+ return MakeExpression (ctx, mg.InstanceExpression, (MethodSpec) mg, arguments);
}
- public static SLE.Expression MakeExpression (BuilderContext ctx, Expression instance, MethodInfo mi, Arguments args)
+ public static SLE.Expression MakeExpression (BuilderContext ctx, Expression instance, MethodSpec mi, Arguments args)
{
var instance_expr = instance == null ? null : instance.MakeExpression (ctx);
- SLE.Expression expr = SLE.Expression.Call (instance_expr, mi,
- Arguments.MakeExpression (args, ctx));
-
- if (mi.ReturnType == typeof (void)) {
- expr = SLE.Expression.Block (
- expr,
- SLE.Expression.Default (typeof (object)));
- }
-
- return expr;
- }
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- mg.MutateHoistedGenericType (storey);
- type = storey.MutateType (type);
- if (arguments != null) {
- arguments.MutateHoistedGenericType (storey);
- }
+ return SLE.Expression.Call (instance_expr, (MethodInfo) mi.GetMetaInfo (), Arguments.MakeExpression (args, ctx));
}
}
/// 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;
-
- MethodGroupExpr method;
+ protected Expression RequestedType;
- 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);
// 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;
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 (ec, "New", args);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- //
- // The New DoResolve might be called twice when initializing field
- // expressions (see EmitFieldInitializers, the call to
- // GetInitializerExpression will perform a resolve on the expression,
- // and later the assign will trigger another resolution
- //
- // This leads to bugs (#37014)
- //
- if (type != null){
- if (RequestedType is NewDelegate)
- return RequestedType;
- return this;
- }
-
TypeExpr texpr = RequestedType.ResolveAsTypeTerminal (ec, false);
if (texpr == null)
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)) {
+ 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 doesn't have the new() constraint",
+ "Cannot create an instance of the variable type `{0}' because it does not have the new() constraint",
TypeManager.CSharpName (type));
- return null;
}
if ((Arguments != null) && (Arguments.Count != 0)) {
ec.Report.Error (417, loc,
"`{0}': cannot provide arguments when creating an instance of a variable type",
TypeManager.CSharpName (type));
- return null;
}
if (TypeManager.activator_create_instance == null) {
- Type activator_type = TypeManager.CoreLookupType (ec.Compiler, "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) {
+ 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 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), Argument.AType.DynamicTypeName));
- return new DynamicConstructorBinder (type, Arguments, loc).Resolve (ec);
- }
+ } else {
+ dynamic = false;
}
if (ml == 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)
{
- ILGenerator ig = ec.ig;
-
- MethodInfo ci = TypeManager.activator_create_instance.MakeGenericMethod (
- new Type [] { type });
+ var ctor_factory = TypeManager.activator_create_instance.MakeGenericMethod (type);
+ var tparam = (TypeParameterSpec) 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;
}
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) && type.IsGenericTypeDefinition)
- 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);
+ 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);
}
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- return SLE.Expression.New ((ConstructorInfo) method, Arguments.MakeExpression (Arguments, ctx));
+ return SLE.Expression.New ((ConstructorInfo) method.BestCandidate.GetMetaInfo (), Arguments.MakeExpression (Arguments, ctx));
}
-#endif
+ }
+
+ public class ArrayInitializer : Expression
+ {
+ List<Expression> elements;
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public ArrayInitializer (List<Expression> init, Location loc)
{
- if (method != null) {
- method.MutateHoistedGenericType (storey);
- if (Arguments != null) {
- Arguments.MutateHoistedGenericType (storey);
- }
- }
+ elements = init;
+ this.loc = loc;
+ }
- type = storey.MutateType (type);
+ public ArrayInitializer (int count, Location loc)
+ {
+ elements = new List<Expression> (count);
+ this.loc = loc;
}
- }
- /// <summary>
- /// 14.5.10.2: Represents an array creation expression.
- /// </summary>
- ///
- /// <remarks>
- /// There are two possible scenarios here: one is an array creation
- /// expression that specifies the dimensions and optionally the
- /// initialization data and the other which does not need dimensions
- /// specified but where initialization data is mandatory.
+ public ArrayInitializer (Location loc)
+ : this (4, loc)
+ {
+ }
+
+ public void Add (Expression expr)
+ {
+ elements.Add (expr);
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
+ {
+ throw new NotSupportedException ("ET");
+ }
+
+ 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));
+ }
+
+ public int Count {
+ get { return elements.Count; }
+ }
+
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ throw new NotImplementedException ();
+ }
+
+ public override void Emit (EmitContext ec)
+ {
+ throw new InternalErrorException ("Missing Resolve call");
+ }
+
+ public Expression this [int index] {
+ get { return elements [index]; }
+ }
+ }
+
+ /// <summary>
+ /// 14.5.10.2: Represents an array creation expression.
+ /// </summary>
+ ///
+ /// <remarks>
+ /// There are two possible scenarios here: one is an array creation
+ /// expression that specifies the dimensions and optionally the
+ /// initialization data and the other which does not need dimensions
+ /// specified but where initialization data is mandatory.
/// </remarks>
- public class ArrayCreation : Expression {
+ public 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;
- bool expect_initializers = false;
+ protected TypeSpec array_element_type;
int num_arguments = 0;
protected int dimensions;
- protected readonly string rank;
+ protected readonly ComposedTypeSpecifier rank;
Expression first_emit;
LocalTemporary first_emit_temp;
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, ComposedTypeSpecifier rank, ArrayInitializer initializers, Location l)
+ : this (requested_base_type, rank, initializers, l)
+ {
+ arguments = new List<Expression> (exprs);
+ num_arguments = arguments.Count;
+ }
+
+ //
+ // For expressions like int[] foo = new int[] { 1, 2, 3 };
+ //
+ public ArrayCreation (FullNamedExpression requested_base_type, ComposedTypeSpecifier rank, ArrayInitializer initializers, Location loc)
{
this.requested_base_type = requested_base_type;
- this.initializers = initializers;
this.rank = rank;
- loc = l;
-
- arguments = new ArrayList (exprs.Count);
+ this.initializers = initializers;
+ this.loc = loc;
- foreach (Expression e in exprs) {
- arguments.Add (e);
- num_arguments++;
- }
+ if (rank != null)
+ num_arguments = rank.Dimension;
}
- public ArrayCreation (FullNamedExpression requested_base_type, string rank, ArrayList initializers, Location l)
+ //
+ // For compiler generated single dimensional arrays only
+ //
+ public ArrayCreation (FullNamedExpression requested_base_type, ArrayInitializer initializers, Location loc)
+ : this (requested_base_type, ComposedTypeSpecifier.SingleDimension, initializers, loc)
{
- this.requested_base_type = requested_base_type;
- this.initializers = initializers;
- this.rank = rank;
- loc = l;
+ }
- //this.rank = rank.Substring (0, rank.LastIndexOf ('['));
- //
- //string tmp = rank.Substring (rank.LastIndexOf ('['));
- //
- //dimensions = tmp.Length - 1;
- expect_initializers = true;
+ //
+ // For expressions like int[] foo = { 1, 2, 3 };
+ //
+ public ArrayCreation (FullNamedExpression requested_base_type, ArrayInitializer initializers)
+ : this (requested_base_type, null, initializers, initializers.Location)
+ {
}
protected override void Error_NegativeArrayIndex (ResolveContext ec, Location loc)
ec.Report.Error (248, loc, "Cannot create an array with a negative size");
}
- bool CheckIndices (ResolveContext 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 (initializers != null && bounds == null) {
+ //
+ // 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 List<Expression> ();
+ bounds = new Dictionary<int, int> ();
+ }
+
if (specified_dims) {
- Expression a = (Expression) arguments [idx];
+ Expression a = arguments [idx];
a = a.Resolve (ec);
if (a == null)
return false;
- Constant c = a as Constant;
- if (c != null) {
- c = c.ImplicitConversionRequired (ec, TypeManager.int32_type, a.Location);
- }
-
- if (c == null) {
- ec.Report.Error (150, a.Location, "A constant value is expected");
+ a = ConvertExpressionToArrayIndex (ec, a);
+ if (a == null)
return false;
- }
- int value = (int) c.GetValue ();
-
- if (value != probe.Count) {
- ec.Report.Error (847, loc, "An array initializer of length `{0}' was expected", value);
- return false;
+ arguments[idx] = a;
+
+ if (initializers != null) {
+ Constant c = a as Constant;
+ if (c == null && a is ArrayIndexCast)
+ c = ((ArrayIndexCast) a).Child as Constant;
+
+ if (c == null) {
+ ec.Report.Error (150, a.Location, "A constant value is expected");
+ return false;
+ }
+
+ int value;
+ try {
+ value = System.Convert.ToInt32 (c.GetValue ());
+ } catch {
+ ec.Report.Error (150, a.Location, "A constant value is expected");
+ return false;
+ }
+
+ // TODO: probe.Count does not fit ulong in
+ if (value != probe.Count) {
+ ec.Report.Error (847, loc, "An array initializer of length `{0}' was expected", value.ToString ());
+ return false;
+ }
+
+ bounds[idx] = value;
}
-
- bounds [idx] = value;
}
+ if (initializers == null)
+ return true;
+
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){
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) {
- ec.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 {
if (array_data != null) {
for (int i = 0; i < array_data.Count; ++i) {
Expression e = array_data [i];
- if (e == null)
- e = Convert.ImplicitConversion (ec, (Expression) initializers [i], array_element_type, loc);
-
args.Add (new Argument (e.CreateExpressionTree (ec)));
}
}
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);
protected bool ResolveInitializers (ResolveContext ec)
{
- if (initializers == null) {
- return !expect_initializers;
+ if (arguments != null) {
+ bool res = true;
+ for (int i = 0; i < arguments.Count; ++i) {
+ res &= CheckIndices (ec, initializers, i, true, dimensions);
+ if (initializers != null)
+ break;
+ }
+
+ return res;
}
-
- //
- // 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 List<Expression> ();
- bounds = new System.Collections.Specialized.HybridDictionary ();
-
- 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;
//
bool ResolveArrayType (ResolveContext ec)
{
- if (requested_base_type == 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;
- }
-
if (requested_base_type is VarExpr) {
ec.Report.Error (820, loc, "An implicitly typed local variable declarator cannot use an array initializer");
return false;
}
- StringBuilder array_qualifier = new StringBuilder (rank);
-
//
- // `In the first form allocates an array instace of the type that results
- // from deleting each of the individual expression from the expression list'
+ // Lookup the type
//
+ FullNamedExpression array_type_expr;
if (num_arguments > 0) {
- array_qualifier.Append ("[");
- for (int i = num_arguments-1; i > 0; i--)
- array_qualifier.Append (",");
- array_qualifier.Append ("]");
+ array_type_expr = new ComposedCast (requested_base_type, rank);
+ } else {
+ array_type_expr = requested_base_type;
}
- //
- // Lookup the type
- //
- TypeExpr array_type_expr;
- array_type_expr = new ComposedCast (requested_base_type, array_qualifier.ToString (), loc);
array_type_expr = array_type_expr.ResolveAsTypeTerminal (ec, false);
if (array_type_expr == null)
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 (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (type != null)
return this;
return null;
//
- // First step is to validate the initializers and fill
- // in any missing bits
+ // validate the initializers and fill in any missing bits
//
if (!ResolveInitializers (ec))
return null;
- for (int i = 0; i < arguments.Count; ++i) {
- Expression e = ((Expression) arguments[i]).Resolve (ec);
- if (e == null)
- continue;
-
- arguments [i] = ConvertExpressionToArrayIndex (ec, e);
- }
-
eclass = ExprClass.Value;
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) {
- RootContext.ToplevelTypes.Compiler.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;
- Type element_type = array_element_type;
+ TypeSpec element_type = array_element_type;
if (TypeManager.IsEnumType (element_type))
- element_type = TypeManager.GetEnumUnderlyingType (element_type);
+ element_type = EnumSpec.GetUnderlyingType (element_type);
factor = GetTypeSize (element_type);
if (factor == 0)
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);
+ initializers [i] = SLE.Expression.Default (array_element_type.GetMetaInfo ());
else
initializers [i] = array_data [i].MakeExpression (ctx);
}
- return SLE.Expression.NewArrayInit (array_element_type, initializers);
+ return SLE.Expression.NewArrayInit (array_element_type.GetMetaInfo (), initializers);
}
#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- array_element_type = storey.MutateType (array_element_type);
- type = storey.MutateType (type);
- if (arguments != null) {
- foreach (Expression e in arguments)
- e.MutateHoistedGenericType (storey);
- }
-
- if (array_data != null) {
- foreach (Expression e in array_data) {
- // Don't mutate values optimized away
- if (e == null)
- continue;
-
- e.MutateHoistedGenericType (storey);
- }
- }
- }
-
//
// 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);
- }
+ var current_pos = new int [dims];
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, TypeManager.TypeToReflectionType (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) &&
+ if (const_initializers_count > 2 && const_initializers_count * 4 > (array_data.Count) &&
(TypeManager.IsPrimitiveType (array_element_type) || TypeManager.IsEnumType (array_element_type))) {
EmitStaticInitializers (ec);
first_emit_temp.Release (ec);
}
- public override bool GetAttributableValue (ResolveContext ec, Type value_type, out object value)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
{
- if (arguments.Count != 1) {
- // ec.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) {
- Expression arg = (Expression) arguments[0];
- object arg_value;
- if (arg.GetAttributableValue (ec, arg.Type, out arg_value) && arg_value is int && (int)arg_value == 0) {
- 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;
}
- // ec.Report.Error (-212, Location, "array should be initialized when passing it to an attribute");
- return base.GetAttributableValue (ec, null, out value);
+ enc.Encode (type);
}
-
- 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;
-
- 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 (ComposedTypeSpecifier rank, ArrayInitializer initializers, Location loc)
: base (null, rank, initializers, loc)
{
- if (rank.Length > 2) {
- while (rank [++dimensions] == ',');
- } else {
- dimensions = 1;
- }
}
- public override Expression DoResolve (ResolveContext ec)
+ public ImplicitlyTypedArrayCreation (ArrayInitializer initializers, Location loc)
+ : base (null, initializers, loc)
+ {
+ }
+
+ protected override Expression DoResolve (ResolveContext ec)
{
if (type != null)
return this;
+ dimensions = rank.Dimension;
+
if (!ResolveInitializers (ec))
return null;
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) {
+ arguments.Count != rank.Dimension) {
Error_NoBestType (ec);
return null;
}
//
UnifyInitializerElement (ec);
- type = TypeManager.GetConstructedType (array_element_type, rank);
+ type = ArrayContainer.MakeType (array_element_type, dimensions);
eclass = ExprClass.Value;
return this;
}
{
}
- public CompilerGeneratedThis (Type type, Location loc)
+ public CompilerGeneratedThis (TypeSpec type, Location loc)
: base (loc)
{
this.type = type;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
if (type == null)
type = ec.CurrentType;
- is_struct = type.IsValueType;
return this;
}
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;
- protected bool is_struct;
-
- public This (Block block, Location loc)
- {
- this.loc = loc;
- this.block = block;
- }
public This (Location loc)
{
}
public override bool IsRef {
- get { return is_struct; }
+ get { return type.IsStruct; }
}
protected override ILocalVariable Variable {
get { return ThisVariable.Instance; }
}
- public static bool IsThisAvailable (ResolveContext ec)
+ public static bool IsThisAvailable (ResolveContext ec, bool ignoreAnonymous)
{
if (ec.IsStatic || ec.HasAny (ResolveContext.Options.FieldInitializerScope | ResolveContext.Options.BaseInitializer | ResolveContext.Options.ConstantScope))
return false;
- if (ec.CurrentAnonymousMethod == null)
+ if (ignoreAnonymous || 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 (ResolveContext ec)
{
- if (eclass != ExprClass.Invalid)
- return true;
-
eclass = ExprClass.Variable;
type = ec.CurrentType;
- if (!IsThisAvailable (ec)) {
+ if (!IsThisAvailable (ec, false)) {
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) {
}
}
- is_struct = type.IsValueType;
-
+ var block = ec.CurrentBlock;
if (block != null) {
if (block.Toplevel.ThisVariable != null)
variable_info = block.Toplevel.ThisVariable.VariableInfo;
return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
ResolveBase (ec);
return this;
public override int GetHashCode()
{
- return block.GetHashCode ();
+ throw new NotImplementedException ();
}
public override string Name {
if (t == null)
return false;
- return block == t.block;
+ return true;
}
protected override void CloneTo (CloneContext clonectx, Expression t)
{
- This target = (This) t;
-
- target.block = clonectx.LookupBlock (block);
+ // Nothing
}
public override void SetHasAddressTaken ()
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Variable;
type = TypeManager.runtime_argument_handle_type;
public override void Emit (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Arglist);
+ ec.Emit (OpCodes.Arglist);
}
protected override void CloneTo (CloneContext clonectx, Expression target)
/// <summary>
/// Represents the `__arglist (....)' construct
/// </summary>
- class Arglist : Expression
+ public class Arglist : Expression
{
Arguments Arguments;
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;
}
return null;
}
- public override Expression DoResolve (ResolveContext 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;
/// Implements the typeof operator
/// </summary>
public class TypeOf : Expression {
- Expression QueriedType;
- protected Type typearg;
-
- public TypeOf (Expression queried_type, Location l)
+ FullNamedExpression QueriedType;
+ TypeSpec typearg;
+
+ public TypeOf (FullNamedExpression queried_type, Location l)
{
QueriedType = queried_type;
loc = l;
}
+ #region Properties
+ public TypeSpec TypeArgument {
+ get {
+ return typearg;
+ }
+ }
+
+ public FullNamedExpression TypeExpression {
+ get {
+ return QueriedType;
+ }
+ }
+
+ #endregion
+
public override Expression CreateExpressionTree (ResolveContext ec)
{
Arguments args = new Arguments (2);
return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (ResolveContext 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) {
+ //
+ // Get generic type definition for unbounded type arguments
+ //
+ var tne = QueriedType as ATypeNameExpression;
+ if (tne != null && typearg.IsGeneric && !tne.HasTypeArguments)
+ typearg = typearg.GetDefinition ();
+
+ if (typearg == TypeManager.void_type && !(QueriedType is TypeExpression)) {
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);
return this;
}
- public override void Emit (EmitContext ec)
+ static bool ContainsTypeParameter (TypeSpec type)
{
- ec.ig.Emit (OpCodes.Ldtoken, TypeManager.TypeToReflectionType (typearg));
- ec.ig.Emit (OpCodes.Call, TypeManager.system_type_get_type_from_handle);
- }
+ if (type.Kind == MemberKind.TypeParameter)
+ return true;
- public override bool GetAttributableValue (ResolveContext ec, Type value_type, out object value)
- {
- if (TypeManager.ContainsGenericParameters (typearg) &&
- !TypeManager.IsGenericTypeDefinition (typearg)) {
- ec.Report.SymbolRelatedToPreviousError (typearg);
- ec.Report.Error (416, loc, "`{0}': an attribute argument cannot use type parameters",
- TypeManager.CSharpName (typearg));
- value = null;
- return false;
- }
+ var element_container = type as ElementTypeSpec;
+ if (element_container != null)
+ return ContainsTypeParameter (element_container.Element);
- if (value_type == TypeManager.object_type) {
- value = (object)typearg;
- return true;
+ foreach (var t in type.TypeArguments) {
+ if (ContainsTypeParameter (t)) {
+ return true;
+ }
}
- value = typearg;
- return true;
+
+ return false;
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
{
- typearg = storey.MutateType (typearg);
- }
+ // 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 Type TypeArgument {
- get {
- return typearg;
+ if (ContainsTypeParameter (typearg)) {
+ rc.Compiler.Report.Error (416, loc, "`{0}': an attribute argument cannot use type parameters",
+ TypeManager.CSharpName (typearg));
+ return;
}
- }
- protected override void CloneTo (CloneContext clonectx, Expression t)
- {
- TypeOf target = (TypeOf) t;
- if (QueriedType != null)
- target.QueriedType = QueriedType.Clone (clonectx);
+ enc.EncodeTypeName (typearg);
}
- }
- /// <summary>
- /// Implements the `typeof (void)' operator
- /// </summary>
- public class TypeOfVoid : TypeOf {
- public TypeOfVoid (Location l) : base (null, l)
+ public override void Emit (EmitContext ec)
{
- loc = l;
+ ec.Emit (OpCodes.Ldtoken, typearg);
+ ec.Emit (OpCodes.Call, TypeManager.system_type_get_type_from_handle);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override void CloneTo (CloneContext clonectx, Expression t)
{
- type = TypeManager.type_type;
- typearg = TypeManager.void_type;
-
- return DoResolveBase ();
+ TypeOf target = (TypeOf) t;
+ if (QueriedType != null)
+ target.QueriedType = (FullNamedExpression) QueriedType.Clone (clonectx);
}
}
- 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 (ResolveContext 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 (ec.Compiler, "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 (ec.Compiler, "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;
return CreateExpressionFactoryCall (ec, "Constant", args);
}
- public override Expression DoResolve (ResolveContext 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 (ec.Compiler, "System.Reflection", TypeName, Kind.Class, true);
- Type handle_type = TypeManager.CoreLookupType (ec.Compiler, "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 (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
if (TypeManager.fieldinfo_type == null)
- TypeManager.fieldinfo_type = TypeManager.CoreLookupType (ec.Compiler, "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)
{
return null;
}
- public override Expression DoResolve (ResolveContext 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;
}
public override void Emit (EmitContext ec)
{
- ec.ig.Emit (OpCodes.Sizeof, type_queried);
+ 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;
}
return fne;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return ResolveAsTypeStep (ec, false);
}
- protected override void Error_IdentifierNotFound (IMemberContext rc, FullNamedExpression expr_type, string identifier)
+ protected override void Error_IdentifierNotFound (IMemberContext rc, TypeSpec expr_type, string identifier)
{
rc.Compiler.Report.Error (687, loc,
"A namespace alias qualifier `{0}' did not resolve to a namespace or a type",
{
string name = Name;
if (targs != null) {
- name = TypeManager.RemoveGenericArity (Name) + "<" +
- targs.GetSignatureForError () + ">";
+ name = Name + "<" + targs.GetSignatureForError () + ">";
}
return alias + "::" + name;
this.expr = expr;
}
+ 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)
//
SimpleName original = expr as SimpleName;
- Expression expr_resolved = expr.Resolve (ec,
- ResolveFlags.VariableOrValue | ResolveFlags.Type |
- ResolveFlags.Intermediate | ResolveFlags.DisableStructFlowAnalysis);
+ Expression expr_resolved;
+ const ResolveFlags flags = ResolveFlags.VariableOrValue | ResolveFlags.Type;
+
+ using (ec.Set (ResolveContext.Options.OmitStructFlowAnalysis)) {
+ if (original != null) {
+ expr_resolved = original.DoResolve (ec, true);
+ if (expr_resolved != null) {
+ // Ugly, simulate skipped Resolve
+ if (expr_resolved is ConstantExpr) {
+ expr_resolved = expr_resolved.Resolve (ec);
+ } else if (expr_resolved is FieldExpr || expr_resolved is PropertyExpr) {
+ // nothing yet
+ } else if ((flags & expr_resolved.ExprClassToResolveFlags) == 0) {
+ expr_resolved.Error_UnexpectedKind (ec, flags, expr.Location);
+ expr_resolved = null;
+ }
+ }
+ } else {
+ expr_resolved = expr.Resolve (ec, flags);
+ }
+ }
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 (ec.Compiler, LookupIdentifier, loc);
+ FullNamedExpression retval = ns.Lookup (ec.Compiler, Name, Arity, loc);
if (retval == null)
- ns.Error_NamespaceDoesNotExist (loc, LookupIdentifier, ec.Report);
- else if (targs != null)
+ ns.Error_NamespaceDoesNotExist (loc, Name, Arity, ec);
+ else if (HasTypeArguments)
retval = new GenericTypeExpr (retval.Type, targs, loc).ResolveAsTypeStep (ec, false);
+ expr = expr_resolved;
return retval;
}
- Type expr_type = expr_resolved.Type;
- if (TypeManager.IsDynamicType (expr_type)) {
+ 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);
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 (ec, loc, ".", expr_type);
- return null;
- }
- Constant c = expr_resolved as Constant;
- if (c != null && c.GetValue () == null) {
- ec.Report.Warning (1720, 1, loc, "Expression will always cause a `{0}'",
- "System.NullReferenceException");
- }
+ const MemberKind dot_kinds = MemberKind.Class | MemberKind.Struct | MemberKind.Delegate | MemberKind.Enum |
+ MemberKind.Interface | MemberKind.TypeParameter | MemberKind.ArrayType;
- if (targs != null) {
- if (!targs.Resolve (ec))
- return null;
+ if ((expr_type.Kind & dot_kinds) == 0 || expr_type == TypeManager.void_type) {
+ Unary.Error_OperatorCannotBeApplied (ec, loc, ".", expr_type);
+ return null;
}
- Expression member_lookup;
- member_lookup = MemberLookup (ec.Compiler,
- ec.CurrentType, expr_type, expr_type, Name, loc);
+ var arity = HasTypeArguments ? targs.Count : -1;
- if (member_lookup == null && targs != null) {
- member_lookup = MemberLookup (ec.Compiler,
- 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;
+ expr = expr_resolved.Resolve (ec);
+
+ ExprClass expr_eclass = expr.eclass;
//
// Extension methods are not allowed on all expression types
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;
+ ex_method_lookup.ExtensionExpression = expr;
+
+ if (HasTypeArguments) {
+ if (!targs.Resolve (ec))
+ return null;
- if (targs != 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,
- ec.CurrentType, expr_type, expr_type, Name, null,
- AllMemberTypes, AllBindingFlags);
+ ec.CurrentType, expr_type, expr_type, Name, arity, null,
+ MemberKind.All, BindingRestriction.AccessibleOnly);
if (member_lookup == null)
return null;
}
+ expr = expr_resolved;
+
+ MemberExpr me;
TypeExpr texpr = member_lookup as TypeExpr;
if (texpr != null) {
- if (!(expr_resolved is TypeExpr) &&
- (original == null || !original.IdenticalNameAndTypeName (ec, expr_resolved, loc))) {
- ec.Report.Error (572, loc, "`{0}': cannot reference a type through an expression; try `{1}' instead",
- Name, member_lookup.GetSignatureForError ());
- return null;
+ if (!(expr_resolved is TypeExpr)) {
+ me = expr_resolved as MemberExpr;
+ if (me == null || me.ProbeIdenticalTypeName (ec, expr_resolved, original) == expr_resolved) {
+ 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.MemberContext)) {
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.
- //
-
- TypeArguments nested_targs;
- if (HasTypeArguments) {
- nested_targs = ct.TypeArguments.Clone ();
- nested_targs.Add (targs);
- } else {
- nested_targs = ct.TypeArguments;
- }
-
- ct = new GenericTypeExpr (member_lookup.Type, nested_targs, loc);
-
+ if (HasTypeArguments) {
+ var ct = new GenericTypeExpr (member_lookup.Type, targs, loc);
return ct.ResolveAsTypeStep (ec, false);
}
return member_lookup;
}
- MemberExpr me = (MemberExpr) member_lookup;
- me = me.ResolveMemberAccess (ec, expr_resolved, loc, original);
- if (me == null)
- return null;
+ me = (MemberExpr) member_lookup;
+
+ if (original != null && me.IsStatic)
+ expr_resolved = me.ProbeIdenticalTypeName (ec, expr_resolved, original);
+
+ me = me.ResolveMemberAccess (ec, expr_resolved, original);
+
+ if (HasTypeArguments) {
+ if (!targs.Resolve (ec))
+ return null;
- if (targs != 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 (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return DoResolve (ec, null);
}
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 (rc.Compiler, LookupIdentifier, loc);
+ FullNamedExpression retval = ns.Lookup (rc.Compiler, Name, Arity, loc);
- if (retval == null && !silent)
- ns.Error_NamespaceDoesNotExist (loc, LookupIdentifier, rc.Compiler.Report);
- 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)) {
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.Compiler,
- 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 (IMemberContext rc, FullNamedExpression expr_type, string identifier)
+ protected virtual void Error_IdentifierNotFound (IMemberContext rc, TypeSpec expr_type, string identifier)
{
- Expression member_lookup = MemberLookup (rc.Compiler,
- 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));
- expr_type.Error_TypeArgumentsCannotBeUsed (rc.Compiler.Report, loc);
+ if (nested != null) {
+ Error_TypeArgumentsCannotBeUsed (rc.Compiler.Report, expr.Location, nested, Arity);
return;
}
- member_lookup = MemberLookup (rc.Compiler,
- 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) {
rc.Compiler.Report.Error (426, loc, "The nested type `{0}' does not exist in the type `{1}'",
}
}
- protected override void Error_TypeDoesNotContainDefinition (ResolveContext ec, 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)) {
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 " +
return Expr.CreateExpressionTree (ec);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
using (ec.With (ResolveContext.Options.AllCheckStateFlags, true))
Expr = Expr.Resolve (ec);
Expr.EmitBranchable (ec, target, on_true);
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
using (ctx.With (BuilderContext.Options.AllCheckStateFlags, true)) {
return Expr.MakeExpression (ctx);
}
}
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- Expr.MutateHoistedGenericType (storey);
- }
protected override void CloneTo (CloneContext clonectx, Expression t)
{
return Expr.CreateExpressionTree (ec);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
using (ec.With (ResolveContext.Options.AllCheckStateFlags, false))
Expr = Expr.Resolve (ec);
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;
public Arguments Arguments;
public Expression Expr;
- public ElementAccess (Expression e, Arguments args)
+ public ElementAccess (Expression e, Arguments args, Location loc)
{
Expr = e;
- loc = e.Location;
+ this.loc = loc;
this.Arguments = args;
}
return CreateExpressionFactoryCall (ec, "ArrayIndex", args);
}
- Expression MakePointerAccess (ResolveContext ec, Type t)
+ Expression MakePointerAccess (ResolveContext ec, TypeSpec t)
{
if (Arguments.Count != 1){
ec.Report.Error (196, loc, "A pointer must be indexed by only one value");
return new Indirection (p, loc).Resolve (ec);
}
- public override Expression DoResolve (ResolveContext 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){
ec.Report.Error (21, loc, "Cannot apply indexing with [] to an expression of type `System.Array'");
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);
}
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 ()
return DoResolve (ec);
}
- public override Expression DoResolve (ResolveContext 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;
+ var ac = ea.Expr.Type as ArrayContainer;
int rank = ea.Arguments.Count;
- if (t.GetArrayRank () != rank) {
+ if (ac.Rank != rank) {
ec.Report.Error (22, ea.Location, "Wrong number of indexes `{0}' inside [], expected `{1}'",
- ea.Arguments.Count.ToString (), t.GetArrayRank ().ToString ());
+ rank.ToString (), ac.Rank.ToString ());
return null;
- }
-
- type = TypeManager.GetElementType (t);
- if (type.IsPointer && !ec.IsUnsafe) {
- UnsafeError (ec, ea.Location);
- }
-
- foreach (Argument a in ea.Arguments) {
- if (a is NamedArgument)
- ElementAccess.Error_NamedArgument ((NamedArgument) a, ec.Report);
-
- a.Expr = ConvertExpressionToArrayIndex (ec, a.Expr);
- }
-
- eclass = ExprClass.Variable;
-
- 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);
- } else if (type.IsGenericParameter) {
- ig.Emit (OpCodes.Ldelem, type);
- } else if (type.IsPointer)
- ig.Emit (OpCodes.Ldelem_I);
- else
- ig.Emit (OpCodes.Ldelem_Ref);
- }
-
- protected override void Error_NegativeArrayIndex (ResolveContext ec, Location loc)
- {
- ec.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)
- {
- 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;
- } else if (t.IsGenericParameter) {
- has_type_arg = true;
- return OpCodes.Stelem;
- } else if (t.IsPointer)
- return OpCodes.Stelem_I;
- else
- return OpCodes.Stelem_Ref;
- }
+ type = ac.Element;
+ if (type.IsPointer && !ec.IsUnsafe) {
+ UnsafeError (ec, ea.Location);
+ }
- MethodInfo FetchGetMethod ()
- {
- 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;
+ foreach (Argument a in ea.Arguments) {
+ if (a is NamedArgument)
+ ElementAccess.Error_NamedArgument ((NamedArgument) a, ec.Report);
+
+ a.Expr = ConvertExpressionToArrayIndex (ec, a.Expr);
}
- get = mb.GetArrayMethod (
- ea.Expr.Type, "Get",
- CallingConventions.HasThis |
- CallingConventions.Standard,
- type, args);
- return get;
+ eclass = ExprClass.Variable;
+
+ return this;
}
-
- MethodInfo FetchAddressMethod ()
+ 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 address;
- Type ret_type;
-
- ret_type = TypeManager.GetReferenceType (type);
-
- for (int i = 0; i < arg_count; i++){
- //args [i++] = a.Type;
- args [i] = TypeManager.int32_type;
- }
-
- address = mb.GetArrayMethod (
- ea.Expr.Type, "Address",
- CallingConventions.HasThis |
- CallingConventions.Standard,
- ret_type, args);
-
- return address;
+ ec.Report.Warning (251, 2, loc, "Indexing an array with a negative index (array indices always start at zero)");
}
//
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;
+ var ac = (ArrayContainer) ea.Expr.Type;
LoadArrayAndArguments (ec);
-
- if (rank == 1){
- ig.Emit (OpCodes.Ldelema, type);
- } else {
- MethodInfo address = FetchAddressMethod ();
- ig.Emit (OpCodes.Call, address);
- }
+ ec.EmitArrayAddress (ac);
}
#if NET_4_0
ea.Expr.MakeExpression (ctx),
Arguments.MakeExpression (ea.Arguments, ctx));
}
+#endif
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
ea.Expr.MakeExpression (ctx),
Arguments.MakeExpression (ea.Arguments, ctx));
}
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- ea.Expr.Type = storey.MutateType (ea.Expr.Type);
- }
}
/// <summary>
{
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 MemberCache.FindIndexers (BestCandidate.DeclaringType, BindingRestriction.None).
+ Where (l =>
+ (l.HasGet && l.Get.MemberDefinition == BestCandidate.MemberDefinition) ||
+ (l.HasSet && l.Set.MemberDefinition == BestCandidate.MemberDefinition)).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;
}
{
Arguments args = Arguments.CreateForExpressionTree (ec, arguments,
instance_expr.CreateExpressionTree (ec),
- new TypeOfMethod (get, loc));
+ new TypeOfMethod (spec.Get, loc));
return CreateExpressionFactoryCall (ec, "Call", args);
}
+ static IEnumerable<IndexerSpec> GetIndexersForType (TypeSpec lookup_type)
+ {
+ return MemberCache.FindIndexers (lookup_type, BindingRestriction.AccessibleOnly | BindingRestriction.NoOverrides);
+ }
+
protected virtual void CommonResolve (ResolveContext ec)
{
indexer_type = instance_expr.Type;
current_type = ec.CurrentType;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return ResolveAccessor (ec, null);
}
CommonResolve (ec);
bool dynamic;
+
arguments.Resolve (ec, out dynamic);
- if (dynamic || TypeManager.IsDynamicType (indexer_type)) {
+
+ if (indexer_type == InternalType.Dynamic) {
+ dynamic = true;
+ } else {
+ var ilist = GetIndexersForType (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) {
+ InstanceExpression = instance_expr
+ };
+
+ if (is_base_indexer)
+ mg.QueriedBaseType = current_type;
+
+ 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) {
ec.Report.Error (1972, loc, "The indexer base access cannot be dynamically dispatched. Consider casting the dynamic arguments or eliminating the base access");
return expr.Resolve (ec);
}
- Indexers ilist = Indexers.GetIndexersForType (current_type, indexer_type);
- if (ilist.Methods == null) {
- ec.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;
-
- 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;
- }
- }
-
- type = TypeManager.TypeToCoreType (pi.PropertyType);
+ 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) {
- ec.Report.SymbolRelatedToPreviousError (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",
- TypeManager.GetFullNameSignature (pi));
+ spec.GetSignatureForError ());
return null;
}
}
if (accessor == null) {
- ec.Report.SymbolRelatedToPreviousError (pi);
+ 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",
- TypeManager.GetFullNameSignature (pi), GetAccessorName (right_side != null));
+ spec.GetSignatureForError (), GetAccessorName (right_side != null));
return null;
}
//
// Only base will allow this invocation to happen.
//
- if (accessor.IsAbstract && this is BaseIndexerAccess) {
- Error_CannotCallAbstractBase (ec, 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)) {
+ 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 (pi), GetAccessorName (right_side != null));
+ TypeManager.GetFullNameSignature (spec), GetAccessorName (right_side != null));
} else {
- ec.Report.SymbolRelatedToPreviousError (pi);
- ErrorIsInaccesible (loc, TypeManager.GetFullNameSignature (pi), ec.Report);
+ 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;
}
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 string GetSignatureForError ()
{
- return TypeManager.CSharpSignature (get != null ? get : set, false);
+ return spec.GetSignatureForError ();
}
#if NET_4_0
var args = Arguments.MakeExpression (arguments, ctx).Concat (value);
return SLE.Expression.Block (
- SLE.Expression.Call (instance_expr.MakeExpression (ctx), set, args),
+ SLE.Expression.Call (instance_expr.MakeExpression (ctx), (MethodInfo) spec.Set.GetMetaInfo (), args),
value [0]);
}
+#endif
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
var args = Arguments.MakeExpression (arguments, ctx);
- return SLE.Expression.Call (instance_expr.MakeExpression (ctx), get, args);
- }
-#endif
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- if (get != null)
- get = storey.MutateGenericMethod (get);
- if (set != null)
- set = storey.MutateGenericMethod (set);
-
- instance_expr.MutateHoistedGenericType (storey);
- if (arguments != null)
- arguments.MutateHoistedGenericType (storey);
-
- type = storey.MutateType (type);
+ return SLE.Expression.Call (instance_expr.MakeExpression (ctx), (MethodInfo) spec.Get.GetMetaInfo (), args);
}
protected override void CloneTo (CloneContext clonectx, Expression t)
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
Expression c = CommonResolve (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 (!This.IsThisAvailable (ec, false)) {
if (ec.IsStatic) {
ec.Report.Error (1511, loc, "Keyword `base' is not available in a static method");
} else {
}
return null;
}
-
- member_lookup = MemberLookup (ec.Compiler, 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 | BindingRestriction.NoOverrides, loc);
if (member_lookup == null) {
- Error_MemberLookupFailed (ec, 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;
}
- Expression left;
-
- if (ec.IsStatic)
- left = new TypeExpression (base_type, loc);
- else
- left = ec.GetThis (loc);
-
MemberExpr me = member_lookup as MemberExpr;
if (me == null){
if (member_lookup is TypeExpression){
return null;
}
- me = me.ResolveMemberAccess (ec, left, loc, null);
- if (me == null)
- return null;
+ me.QueriedBaseType = base_type;
- me.IsBase = true;
if (args != null) {
args.Resolve (ec);
me.SetTypeArguments (ec, args);
loc = Location.Null;
}
- public EmptyExpression (Type t)
+ public EmptyExpression (TypeSpec t)
{
type = t;
eclass = ExprClass.Value;
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext 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;
}
// Do nothing
}
- public override Expression DoResolve (ResolveContext 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;
}
return CreateExpressionFactoryCall (ec, "Convert", args);
}
- public override Expression DoResolve (ResolveContext 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, ec.Report);
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);
}
-#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- return SLE.Expression.Convert (source.MakeExpression (ctx), type, method);
+ return SLE.Expression.Convert (source.MakeExpression (ctx), type.GetMetaInfo (), (MethodInfo) method.GetMetaInfo ());
+ }
+ }
+
+ //
+ // Holds additional type specifiers like ?, *, []
+ //
+ public class ComposedTypeSpecifier
+ {
+ public static readonly ComposedTypeSpecifier SingleDimension = new ComposedTypeSpecifier (1, Location.Null);
+
+ public readonly int Dimension;
+ public readonly Location Location;
+
+ public ComposedTypeSpecifier (int specifier, Location loc)
+ {
+ this.Dimension = specifier;
+ this.Location = loc;
+ }
+
+ #region Properties
+ public bool IsNullable {
+ get {
+ return Dimension == -1;
+ }
+ }
+
+ public bool IsPointer {
+ get {
+ return Dimension == -2;
+ }
+ }
+
+ public ComposedTypeSpecifier Next { get; set; }
+
+ #endregion
+
+ public static ComposedTypeSpecifier CreateArrayDimension (int dimension, Location loc)
+ {
+ return new ComposedTypeSpecifier (dimension, loc);
+ }
+
+ public static ComposedTypeSpecifier CreateNullable (Location loc)
+ {
+ return new ComposedTypeSpecifier (-1, loc);
+ }
+
+ public static ComposedTypeSpecifier CreatePointer (Location loc)
+ {
+ return new ComposedTypeSpecifier (-2, loc);
}
-#endif
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
+ public string GetSignatureForError ()
{
- source.MutateHoistedGenericType (storey);
- method = storey.MutateGenericMethod (method);
+ string s =
+ IsPointer ? "*" :
+ IsNullable ? "?" :
+ ArrayContainer.GetPostfixSignature (Dimension);
+
+ return Next != null ? s + Next.GetSignatureForError () : s;
}
}
// </summary>
public class ComposedCast : TypeExpr {
FullNamedExpression left;
- string dim;
+ ComposedTypeSpecifier spec;
- public ComposedCast (FullNamedExpression left, string dim)
- : this (left, dim, left.Location)
+ public ComposedCast (FullNamedExpression left, ComposedTypeSpecifier spec)
{
- }
+ if (spec == null)
+ throw new ArgumentNullException ("spec");
- public ComposedCast (FullNamedExpression left, string dim, Location l)
- {
this.left = left;
- this.dim = dim;
- loc = l;
+ this.spec = spec;
+ this.loc = spec.Location;
}
protected override TypeExpr DoResolveAsTypeStep (IMemberContext ec)
if (lexpr == null)
return null;
- Type ltype = lexpr.Type;
- if ((dim.Length > 0) && (dim [0] == '?')) {
- TypeExpr nullable = new Nullable.NullableType (lexpr, loc);
- if (dim.Length > 1)
- nullable = new ComposedCast (nullable, dim.Substring (1), loc);
- return nullable.ResolveAsTypeTerminal (ec, false);
- }
+ type = lexpr.Type;
+ eclass = ExprClass.Type;
- if (dim == "*" && !TypeManager.VerifyUnManaged (ltype, loc))
- return null;
+ var single_spec = spec;
+
+ if (single_spec.IsNullable) {
+ lexpr = new Nullable.NullableType (lexpr, loc);
+ lexpr = lexpr.ResolveAsTypeTerminal (ec, false);
+ if (lexpr != null)
+ type = lexpr.Type;
- if (dim.Length != 0 && dim [0] == '[') {
- if (TypeManager.IsSpecialType (ltype)) {
- ec.Compiler.Report.Error (611, loc, "Array elements cannot be of type `{0}'", TypeManager.CSharpName (ltype));
+ single_spec = single_spec.Next;
+ } else if (single_spec.IsPointer) {
+ if (!TypeManager.VerifyUnmanaged (ec.Compiler, type, loc))
return null;
- }
- if ((ltype.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute) {
- ec.Compiler.Report.SymbolRelatedToPreviousError (ltype);
- ec.Compiler.Report.Error (719, loc, "Array elements cannot be of static type `{0}'",
- TypeManager.CSharpName (ltype));
+ if (!ec.IsUnsafe) {
+ UnsafeError (ec.Compiler.Report, loc);
}
- }
-
- if (dim != "")
- type = TypeManager.GetConstructedType (ltype, dim);
- else
- type = ltype;
- if (type == null)
- throw new InternalErrorException ("Couldn't create computed type " + ltype + dim);
+ type = PointerContainer.MakeType (type);
+ single_spec = single_spec.Next;
+ }
- if (type.IsPointer && !ec.IsUnsafe){
- UnsafeError (ec.Compiler.Report, loc);
+ if (single_spec != null && single_spec.Dimension > 0) {
+ if (TypeManager.IsSpecialType (type)) {
+ ec.Compiler.Report.Error (611, loc, "Array elements cannot be of type `{0}'", type.GetSignatureForError ());
+ } else if (type.IsStatic) {
+ ec.Compiler.Report.SymbolRelatedToPreviousError (type);
+ ec.Compiler.Report.Error (719, loc, "Array elements cannot be of static type `{0}'",
+ type.GetSignatureForError ());
+ } else {
+ MakeArray (single_spec);
+ }
}
- eclass = ExprClass.Type;
return this;
}
- public override string GetSignatureForError ()
+ void MakeArray (ComposedTypeSpecifier spec)
{
- return left.GetSignatureForError () + dim;
+ if (spec.Next != null)
+ MakeArray (spec.Next);
+
+ type = ArrayContainer.MakeType (type, spec.Dimension);
}
- public override TypeExpr ResolveAsTypeTerminal (IMemberContext ec, bool silent)
+ public override string GetSignatureForError ()
{
- return ResolveAsBaseTerminal (ec, silent);
- }
+ return left.GetSignatureForError () + spec.GetSignatureForError ();
+ }
}
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;
}
array.Emit (ec);
}
- public override Expression DoResolve (ResolveContext 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);
}
}
var expr_type = child.Type;
if (expr_type == TypeManager.uint32_type)
- ec.ig.Emit (OpCodes.Conv_U);
+ ec.Emit (OpCodes.Conv_U);
else if (expr_type == TypeManager.int64_type)
- ec.ig.Emit (OpCodes.Conv_Ovf_I);
+ ec.Emit (OpCodes.Conv_Ovf_I);
else if (expr_type == TypeManager.uint64_type)
- ec.ig.Emit (OpCodes.Conv_Ovf_I_Un);
+ ec.Emit (OpCodes.Conv_Ovf_I_Un);
else
throw new InternalErrorException ("Cannot emit cast to unknown array element type", type);
}
-
- public override bool GetAttributableValue (ResolveContext ec, Type value_type, out object value)
- {
- return child.GetAttributableValue (ec, value_type, out value);
- }
}
//
// Implements the `stackalloc' keyword
//
public class StackAlloc : Expression {
- Type otype;
+ TypeSpec otype;
Expression t;
Expression count;
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
count = count.Resolve (ec);
if (count == null)
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)
args);
}
- public override Expression DoResolve (ResolveContext 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;
return this;
}
- Expression expr = base.DoResolve (ec);
- if (expr == null)
- return null;
-
- //
- // Ignore field initializers with default value
- //
- Constant c = source as Constant;
- if (c != null && c.IsDefaultInitializer (type) && target.eclass == ExprClass.Variable)
- return EmptyExpressionStatement.Instance.DoResolve (ec);
-
- return expr;
+ return base.DoResolve (ec);
}
- protected override Expression Error_MemberLookupFailed (ResolveContext ec, 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)
+ 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
{
}
- protected override void Error_TypeDoesNotContainDefinition (ResolveContext ec, Type type, string name)
+ protected override void Error_TypeDoesNotContainDefinition (ResolveContext ec, TypeSpec type, string name)
{
if (TypeManager.HasElementType (type))
return;
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)
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 (ec, loc), "[]", expr_initializers, loc)));
+ CreateExpressionTypeExpression (ec, loc), expr_initializers, loc)));
return CreateExpressionFactoryCall (ec, "ElementInit", args);
}
target.arguments = arguments.Clone (clonectx);
}
- public override Expression DoResolve (ResolveContext 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 (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)
expr_initializers.Add (expr);
}
- return new ImplicitlyTypedArrayCreation ("[]", expr_initializers, loc);
+ return new ImplicitlyTypedArrayCreation (expr_initializers, loc);
}
- public override Expression DoResolve (ResolveContext 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];
+ Expression initializer = 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)) {
+ 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 (),
foreach (ExpressionStatement e in initializers)
e.EmitStatement (ec);
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- foreach (Expression e in initializers)
- e.MutateHoistedGenericType (storey);
- }
}
//
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
return this;
}
CollectionOrObjectInitializers initializers;
IMemoryLocation instance;
- public NewInitialize (Expression requested_type, Arguments arguments, CollectionOrObjectInitializers initializers, Location l)
+ public NewInitialize (FullNamedExpression requested_type, Arguments arguments, CollectionOrObjectInitializers initializers, Location l)
: base (requested_type, arguments, l)
{
this.initializers = initializers;
args);
}
- public override Expression DoResolve (ResolveContext 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 (ResolveContext ec, ArrayList parameters)
+ AnonymousTypeClass CreateAnonymousType (ResolveContext ec, IList<AnonymousTypeParameter> parameters)
{
AnonymousTypeClass type = parent.Module.Compiled.GetAnonymousType (parameters);
if (type != null)
if (type == null)
return null;
+ type.CreateType ();
type.DefineType ();
+ type.ResolveTypeParameters ();
type.Define ();
type.EmitType ();
if (ec.Report.Errors == 0)
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 (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- AnonymousTypeClass anonymous_type;
-
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 (ec, EmptyParameters);
- return new New (new TypeExpression (anonymous_type.TypeBuilder, loc),
- null, loc).Resolve (ec);
+ 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 (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);
}
}
return Name.GetHashCode ();
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
Expression e = expr.Resolve (ec);
if (e == null)
projects / mono.git / blobdiff