using System;
using System.Text;
-using System.Collections;
-using System.Collections.Specialized;
+using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
return "<" + host + ">" + typePrefix + "__" + name + id.ToString ("X");
}
- protected CompilerGeneratedClass (DeclSpace parent, MemberName name, int mod)
- : base (parent.NamespaceEntry, parent, name, mod | Modifiers.COMPILER_GENERATED | Modifiers.SEALED, null)
+ protected CompilerGeneratedClass (DeclSpace parent, MemberName name, Modifiers mod)
+ : base (parent.NamespaceEntry, parent, name, mod | Modifiers.COMPILER_GENERATED, null)
{
}
- protected CompilerGeneratedClass (DeclSpace parent, GenericMethod generic, MemberName name, int mod)
- : this (parent, name, mod)
- {
- if (generic != null) {
- ArrayList list = new ArrayList ();
- foreach (TypeParameter tparam in generic.TypeParameters) {
- if (tparam.Constraints != null)
- list.Add (tparam.Constraints.Clone ());
- }
- SetParameterInfo (list);
- }
- }
-
protected void CheckMembersDefined ()
{
- if (members_defined)
+ if (HasMembersDefined)
throw new InternalErrorException ("Helper class already defined!");
}
}
//
public class AnonymousMethodStorey : CompilerGeneratedClass
{
- class StoreyFieldPair {
+ struct StoreyFieldPair
+ {
public readonly AnonymousMethodStorey Storey;
public readonly Field Field;
this.Storey = storey;
this.Field = field;
}
-
- public override int GetHashCode ()
- {
- return Storey.ID.GetHashCode ();
- }
-
- public override bool Equals (object obj)
- {
- return (AnonymousMethodStorey)obj == Storey;
- }
}
sealed class HoistedGenericField : Field
{
- public HoistedGenericField (DeclSpace parent, FullNamedExpression type, int mod, string name,
+ public HoistedGenericField (DeclSpace parent, FullNamedExpression type, Modifiers mod, string name,
Attributes attrs, Location loc)
: base (parent, type, mod, new MemberName (name, loc), attrs)
{
return false;
AnonymousMethodStorey parent = ((AnonymousMethodStorey) Parent).GetGenericStorey ();
- if (parent != null)
- member_type = parent.MutateType (member_type);
+ if (parent != null && parent.Mutator != null)
+ member_type = parent.Mutator.Mutate (MemberType);
return true;
}
{
// Nothing to clone
}
-
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- // Nothing to mutate
- }
}
// Unique storey ID
public readonly Block OriginalSourceBlock;
// A list of StoreyFieldPair with local field keeping parent storey instance
- ArrayList used_parent_storeys;
- ArrayList children_references;
+ List<StoreyFieldPair> used_parent_storeys;
+ List<ExplicitBlock> children_references;
// A list of hoisted parameters
- protected ArrayList hoisted_params;
- protected ArrayList hoisted_locals;
+ protected List<HoistedParameter> hoisted_params;
+ protected List<HoistedVariable> hoisted_locals;
// Hoisted this
protected HoistedThis hoisted_this;
// Local variable which holds this storey instance
public LocalTemporary Instance;
+ TypeParameterMutator mutator;
+
public AnonymousMethodStorey (Block block, TypeContainer parent, MemberBase host, GenericMethod generic, string name)
- : base (parent, generic, MakeMemberName (host, name, generic, block.StartLocation), Modifiers.PRIVATE)
+ : base (parent, MakeMemberName (host, name, generic, block.StartLocation), Modifiers.PRIVATE | Modifiers.SEALED)
{
Parent = parent;
OriginalSourceBlock = block;
ID = unique_id++;
+
+ if (generic != null) {
+ var hoisted_tparams = generic.CurrentTypeParameters;
+ type_params = new TypeParameter [hoisted_tparams.Length];
+ for (int i = 0; i < type_params.Length; ++i) {
+ type_params[i] = hoisted_tparams[i].CreateHoistedCopy (spec);
+ }
+ }
}
static MemberName MakeMemberName (MemberBase host, string name, GenericMethod generic, Location loc)
Field f = AddCompilerGeneratedField ("<>f__this", type_expr);
f.Define ();
hoisted_this = new HoistedThis (this, f);
+
+ // Inflated type instance has to be updated manually
+ if (Instance.Type != f.Parent.CurrentType) {
+ var inflator = new TypeParameterInflator (Instance.Type, TypeParameterSpec.EmptyTypes, TypeSpec.EmptyTypes);
+ Instance.Type.MemberCache.AddMember (f.Spec.InflateMember (inflator));
+
+ inflator = new TypeParameterInflator (f.Parent.CurrentType, TypeParameterSpec.EmptyTypes, TypeSpec.EmptyTypes);
+ f.Parent.CurrentType.MemberCache.AddMember (f.Spec.InflateMember (inflator));
+ }
}
- public Field AddCapturedVariable (string name, Type type)
+ public Field AddCapturedVariable (string name, TypeSpec type)
{
CheckMembersDefined ();
if (!IsGeneric)
return AddCompilerGeneratedField (name, field_type);
- const int mod = Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED;
+ const Modifiers mod = Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED;
Field f = new HoistedGenericField (this, field_type, mod, name, null, Location);
AddField (f);
return f;
protected Field AddCompilerGeneratedField (string name, FullNamedExpression type)
{
- const int mod = Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED;
+ const Modifiers mod = Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED;
Field f = new Field (this, type, mod, new MemberName (name, Location), null);
AddField (f);
return f;
public void AddReferenceFromChildrenBlock (ExplicitBlock block)
{
if (children_references == null)
- children_references = new ArrayList ();
+ children_references = new List<ExplicitBlock> ();
if (!children_references.Contains (block))
children_references.Add (block);
}
- public void AddParentStoreyReference (AnonymousMethodStorey storey)
+ public void AddParentStoreyReference (EmitContext ec, AnonymousMethodStorey storey)
{
CheckMembersDefined ();
if (used_parent_storeys == null)
- used_parent_storeys = new ArrayList ();
- else if (used_parent_storeys.IndexOf (storey) != -1)
+ used_parent_storeys = new List<StoreyFieldPair> ();
+ else if (used_parent_storeys.Exists (i => i.Storey == storey))
return;
- TypeExpr type_expr = new TypeExpression (storey.TypeBuilder, Location);
+ TypeExpr type_expr = storey.CreateStoreyTypeExpression (ec);
Field f = AddCompilerGeneratedField ("<>f__ref$" + storey.ID, type_expr);
used_parent_storeys.Add (new StoreyFieldPair (storey, f));
}
- public void CaptureLocalVariable (EmitContext ec, LocalInfo local_info)
+ public void CaptureLocalVariable (ResolveContext ec, LocalInfo local_info)
{
ec.CurrentBlock.Explicit.HasCapturedVariable = true;
if (ec.CurrentBlock.Explicit != local_info.Block.Explicit)
AddReferenceFromChildrenBlock (ec.CurrentBlock.Explicit);
- if (local_info.HoistedVariableReference != null)
+ if (local_info.HoistedVariant != null)
return;
HoistedVariable var = new HoistedLocalVariable (this, local_info, GetVariableMangledName (local_info));
- local_info.HoistedVariableReference = var;
+ local_info.HoistedVariant = var;
if (hoisted_locals == null)
- hoisted_locals = new ArrayList ();
+ hoisted_locals = new List<HoistedVariable> ();
hoisted_locals.Add (var);
}
- public void CaptureParameter (EmitContext ec, ParameterReference param_ref)
+ public void CaptureParameter (ResolveContext ec, ParameterReference param_ref)
{
ec.CurrentBlock.Explicit.HasCapturedVariable = true;
AddReferenceFromChildrenBlock (ec.CurrentBlock.Explicit);
return;
if (hoisted_params == null)
- hoisted_params = new ArrayList (2);
+ hoisted_params = new List<HoistedParameter> (2);
- HoistedVariable expr = new HoistedParameter (this, param_ref);
- param_ref.Parameter.HoistedVariableReference = expr;
+ var expr = new HoistedParameter (this, param_ref);
+ param_ref.Parameter.HoistedVariant = expr;
hoisted_params.Add (expr);
}
- public void ChangeParentStorey (AnonymousMethodStorey parentStorey)
+ TypeExpr CreateStoreyTypeExpression (EmitContext ec)
{
- Parent = parentStorey;
- type_params = null;
- }
-
- //
- // Initializes all hoisted variables
- //
- public void EmitStoreyInstantiation (EmitContext ec)
- {
- // There can be only one instance variable for each storey type
- if (Instance != null)
- throw new InternalErrorException ();
-
- SymbolWriter.OpenCompilerGeneratedBlock (ec.ig);
-
//
// Create an instance of storey type
//
- Expression storey_type_expr;
- if (is_generic) {
+ TypeExpr storey_type_expr;
+ if (CurrentTypeParameters != null) {
//
// Use current method type parameter (MVAR) for top level storey only. All
// nested storeys use class type parameter (VAR)
TypeArguments targs = new TypeArguments ();
- if (tparams.Length < CountTypeParameters) {
- TypeParameter[] parent_tparams = ec.MemberContext.CurrentTypeDefinition.TypeParameters;
- for (int i = 0; i < parent_tparams.Length; ++i)
- targs.Add (new TypeParameterExpr (parent_tparams[i], Location));
- }
-
+ //
+ // Use type parameter name instead of resolved type parameter
+ // specification to resolve to correctly nested type parameters
+ //
for (int i = 0; i < tparams.Length; ++i)
- targs.Add (new TypeParameterExpr (tparams[i], Location));
+ targs.Add (new SimpleName (tparams [i].Name, Location)); // new TypeParameterExpr (tparams[i], Location));
- storey_type_expr = new GenericTypeExpr (TypeBuilder, targs, Location);
+ storey_type_expr = new GenericTypeExpr (Definition, targs, Location);
} else {
- storey_type_expr = new TypeExpression (TypeBuilder, Location);
+ storey_type_expr = new TypeExpression (CurrentType, Location);
+ }
+
+ return storey_type_expr;
+ }
+
+ public void SetNestedStoryParent (AnonymousMethodStorey parentStorey)
+ {
+ Parent = parentStorey;
+ type_params = null;
+ spec.IsGeneric = false;
+ spec.DeclaringType = parentStorey.CurrentType;
+// MemberName.TypeArguments = null;
+ }
+
+ protected override bool DoResolveTypeParameters ()
+ {
+ // Although any storey can have type parameters they are all clones of method type
+ // parameters therefore have to mutate MVAR references in any of cloned constraints
+ if (type_params != null) {
+ for (int i = 0; i < type_params.Length; ++i) {
+ var spec = type_params[i].Type;
+ spec.BaseType = mutator.Mutate (spec.BaseType);
+ if (spec.Interfaces != null) {
+ var mutated = new TypeSpec[spec.Interfaces.Count];
+ for (int ii = 0; ii < mutated.Length; ++ii) {
+ mutated [ii] = mutator.Mutate (spec.Interfaces[ii]);
+ }
+
+ spec.Interfaces = mutated;
+ }
+
+ if (spec.TypeArguments != null) {
+ spec.TypeArguments = mutator.Mutate (spec.TypeArguments);
+ }
+ }
}
- ResolveContext rc = new ResolveContext (this);
+ return true;
+ }
+
+ //
+ // Initializes all hoisted variables
+ //
+ public void EmitStoreyInstantiation (EmitContext ec)
+ {
+ // There can be only one instance variable for each storey type
+ if (Instance != null)
+ throw new InternalErrorException ();
+
+ SymbolWriter.OpenCompilerGeneratedBlock (ec);
+
+ //
+ // Create an instance of a storey
+ //
+ Expression storey_type_expr = CreateStoreyTypeExpression (ec);
+
+ ResolveContext rc = new ResolveContext (ec.MemberContext);
Expression e = new New (storey_type_expr, null, Location).Resolve (rc);
e.Emit (ec);
EmitHoistedFieldsInitialization (ec);
SymbolWriter.DefineScopeVariable (ID, Instance.Builder);
- SymbolWriter.CloseCompilerGeneratedBlock (ec.ig);
+ SymbolWriter.CloseCompilerGeneratedBlock (ec);
}
void EmitHoistedFieldsInitialization (EmitContext ec)
// Initialize all storey reference fields by using local or hoisted variables
//
if (used_parent_storeys != null) {
+ var rc = new ResolveContext (ec.MemberContext);
+
foreach (StoreyFieldPair sf in used_parent_storeys) {
//
- // Setting local field
+ // Get instance expression of storey field
//
Expression instace_expr = GetStoreyInstanceExpression (ec);
- FieldExpr f_set_expr = TypeManager.IsGenericType (instace_expr.Type) ?
- new FieldExpr (sf.Field.FieldBuilder, instace_expr.Type, Location) :
- new FieldExpr (sf.Field.FieldBuilder, Location);
+ var fs = sf.Field.Spec;
+ if (TypeManager.IsGenericType (instace_expr.Type))
+ fs = MemberCache.GetMember (instace_expr.Type, fs);
+
+ FieldExpr f_set_expr = new FieldExpr (fs, Location);
f_set_expr.InstanceExpression = instace_expr;
SimpleAssign a = new SimpleAssign (f_set_expr, sf.Storey.GetStoreyInstanceExpression (ec));
- if (a.Resolve (new ResolveContext (ec.MemberContext)) != null)
+ if (a.Resolve (rc) != null)
a.EmitStatement (ec);
}
}
ec.CurrentAnonymousMethod = ae;
}
- protected virtual void EmitHoistedParameters (EmitContext ec, ArrayList hoisted)
+ protected virtual void EmitHoistedParameters (EmitContext ec, IList<HoistedParameter> hoisted)
{
foreach (HoistedParameter hp in hoisted) {
hp.EmitHoistingAssignment (ec);
//
// Access inside of same storey (S -> S)
//
- return new CompilerGeneratedThis (TypeBuilder, Location);
+ return new CompilerGeneratedThis (CurrentType, Location);
}
//
// External field access
//
// Storey was cached to local field
//
- FieldExpr f_ind = new FieldExpr (f.FieldBuilder, Location);
- f_ind.InstanceExpression = new CompilerGeneratedThis (TypeBuilder, Location);
+ FieldExpr f_ind = new FieldExpr (f, Location);
+ f_ind.InstanceExpression = new CompilerGeneratedThis (CurrentType, Location);
return f_ind;
}
get { return hoisted_this; }
}
- //
- // Mutate type dispatcher
- //
- public Type MutateType (Type type)
- {
-#if GMCS_SOURCE
- if (TypeManager.IsGenericType (type))
- return MutateGenericType (type);
-
- if (TypeManager.IsGenericParameter (type))
- return MutateGenericArgument (type);
-
- if (type.IsArray)
- return MutateArrayType (type);
-#endif
- return type;
- }
-
- //
- // Changes method type arguments (MVAR) to storey (VAR) type arguments
- //
- public MethodInfo MutateGenericMethod (MethodInfo method)
- {
-#if GMCS_SOURCE
- Type [] t_args = TypeManager.GetGenericArguments (method);
- if (TypeManager.IsGenericType (method.DeclaringType)) {
- Type t = MutateGenericType (method.DeclaringType);
- if (t != method.DeclaringType) {
- method = (MethodInfo) TypeManager.DropGenericMethodArguments (method);
- if (method.Module == Module.Builder)
- method = TypeBuilder.GetMethod (t, method);
- else
- method = (MethodInfo) MethodInfo.GetMethodFromHandle (method.MethodHandle, t.TypeHandle);
- }
- }
-
- if (t_args == null || t_args.Length == 0)
- return method;
-
- for (int i = 0; i < t_args.Length; ++i)
- t_args [i] = MutateType (t_args [i]);
-
- return method.GetGenericMethodDefinition ().MakeGenericMethod (t_args);
-#else
- throw new NotSupportedException ();
-#endif
- }
-
- public ConstructorInfo MutateConstructor (ConstructorInfo ctor)
- {
-#if GMCS_SOURCE
- if (TypeManager.IsGenericType (ctor.DeclaringType)) {
- Type t = MutateGenericType (ctor.DeclaringType);
- if (t != ctor.DeclaringType) {
- ctor = (ConstructorInfo) TypeManager.DropGenericMethodArguments (ctor);
- if (ctor.Module == Module.Builder)
- return TypeBuilder.GetConstructor (t, ctor);
-
- return (ConstructorInfo) ConstructorInfo.GetMethodFromHandle (ctor.MethodHandle, t.TypeHandle);
- }
- }
-#endif
- return ctor;
- }
-
- public FieldInfo MutateField (FieldInfo field)
- {
-#if GMCS_SOURCE
- if (TypeManager.IsGenericType (field.DeclaringType)) {
- Type t = MutateGenericType (field.DeclaringType);
- if (t != field.DeclaringType) {
- field = TypeManager.DropGenericTypeArguments (field.DeclaringType).GetField (field.Name, TypeManager.AllMembers);
- if (field.Module == Module.Builder)
- return TypeBuilder.GetField (t, field);
-
- return FieldInfo.GetFieldFromHandle (field.FieldHandle, t.TypeHandle);
- }
- }
-#endif
- return field;
- }
-
-#if GMCS_SOURCE
- protected Type MutateArrayType (Type array)
- {
- Type element = TypeManager.GetElementType (array);
- if (element.IsArray) {
- element = MutateArrayType (element);
- } else if (TypeManager.IsGenericParameter (element)) {
- element = MutateGenericArgument (element);
- } else if (TypeManager.IsGenericType (element)) {
- element = MutateGenericType (element);
- } else {
- return array;
+ public TypeParameterMutator Mutator {
+ get {
+ return mutator;
}
-
- int rank = array.GetArrayRank ();
- if (rank == 1)
- return element.MakeArrayType ();
-
- return element.MakeArrayType (rank);
- }
-
- protected Type MutateGenericType (Type type)
- {
- Type [] t_args = TypeManager.GetTypeArguments (type);
- if (t_args == null || t_args.Length == 0)
- return type;
-
- for (int i = 0; i < t_args.Length; ++i)
- t_args [i] = MutateType (t_args [i]);
-
- return TypeManager.DropGenericTypeArguments (type).MakeGenericType (t_args);
- }
-#endif
-
- //
- // Changes method generic argument (MVAR) to type generic argument (VAR)
- //
- public Type MutateGenericArgument (Type type)
- {
- if (CurrentTypeParameters != null) {
- TypeParameter tp = TypeParameter.FindTypeParameter (CurrentTypeParameters, type.Name);
- if (tp != null)
- return tp.Type;
+ set {
+ mutator = value;
}
-
- return type;
}
- public ArrayList ReferencesFromChildrenBlock {
+ public IList<ExplicitBlock> ReferencesFromChildrenBlock {
get { return children_references; }
}
public abstract class HoistedVariable
{
- class ExpressionTreeProxy : Expression
+ //
+ // Hoisted version of variable references used in expression
+ // tree has to be delayed until we know its location. The variable
+ // doesn't know its location until all stories are calculated
+ //
+ class ExpressionTreeVariableReference : Expression
{
readonly HoistedVariable hv;
- public ExpressionTreeProxy (HoistedVariable hv)
+ public ExpressionTreeVariableReference (HoistedVariable hv)
{
this.hv = hv;
}
throw new NotSupportedException ("ET");
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
eclass = ExprClass.Value;
type = TypeManager.expression_type_expr.Type;
protected readonly AnonymousMethodStorey storey;
protected Field field;
- Hashtable cached_inner_access; // TODO: Hashtable is too heavyweight
+ Dictionary<AnonymousExpression, FieldExpr> cached_inner_access; // TODO: Hashtable is too heavyweight
FieldExpr cached_outer_access;
- protected HoistedVariable (AnonymousMethodStorey storey, string name, Type type)
+ protected HoistedVariable (AnonymousMethodStorey storey, string name, TypeSpec type)
: this (storey, storey.AddCapturedVariable (name, type))
{
}
GetFieldExpression (ec).AddressOf (ec, mode);
}
- public Expression CreateExpressionTree (ResolveContext ec)
+ public Expression CreateExpressionTree ()
{
- return new ExpressionTreeProxy (this);
+ return new ExpressionTreeVariableReference (this);
}
public void Emit (EmitContext ec)
// When setting top-level hoisted variable in generic storey
// change storey generic types to method generic types (VAR -> MVAR)
//
- cached_outer_access = storey.MemberName.IsGeneric ?
- new FieldExpr (field.FieldBuilder, storey.Instance.Type, field.Location) :
- new FieldExpr (field.FieldBuilder, field.Location);
+ if (storey.MemberName.IsGeneric) {
+ var fs = MemberCache.GetMember (storey.Instance.Type, field.Spec);
+ cached_outer_access = new FieldExpr (fs, field.Location);
+ } else {
+ cached_outer_access = new FieldExpr (field, field.Location);
+ }
cached_outer_access.InstanceExpression = storey.GetStoreyInstanceExpression (ec);
return cached_outer_access;
FieldExpr inner_access;
if (cached_inner_access != null) {
- inner_access = (FieldExpr) cached_inner_access [ec.CurrentAnonymousMethod];
+ if (!cached_inner_access.TryGetValue (ec.CurrentAnonymousMethod, out inner_access))
+ inner_access = null;
} else {
inner_access = null;
- cached_inner_access = new Hashtable (4);
+ cached_inner_access = new Dictionary<AnonymousExpression, FieldExpr> (4);
}
if (inner_access == null) {
- inner_access = field.Parent.MemberName.IsGeneric ?
- new FieldExpr (field.FieldBuilder, field.Parent.CurrentType, field.Location) :
- new FieldExpr (field.FieldBuilder, field.Location);
-
+ if (field.Parent.MemberName.IsGeneric) {
+ var fs = MemberCache.GetMember (field.Parent.CurrentType, field.Spec);
+ inner_access = new FieldExpr (fs, field.Location);
+ } else {
+ inner_access = new FieldExpr (field, field.Location);
+ }
+
inner_access.InstanceExpression = storey.GetStoreyInstanceExpression (ec);
cached_inner_access.Add (ec.CurrentAnonymousMethod, inner_access);
}
}
}
- class HoistedParameter : HoistedVariable
+ public class HoistedParameter : HoistedVariable
{
sealed class HoistedFieldAssign : Assign
{
//
// Remove hoisted redirection to emit assignment from original parameter
//
- HoistedVariable temp = parameter.Parameter.HoistedVariableReference;
- parameter.Parameter.HoistedVariableReference = null;
+ HoistedVariable temp = parameter.Parameter.HoistedVariant;
+ parameter.Parameter.HoistedVariant = null;
Assign a = new HoistedFieldAssign (GetFieldExpression (ec), parameter);
if (a.Resolve (new ResolveContext (ec.MemberContext)) != null)
a.EmitStatement (ec);
- parameter.Parameter.HoistedVariableReference = temp;
+ parameter.Parameter.HoistedVariant = temp;
}
public override void EmitSymbolInfo ()
public void EmitHoistingAssignment (EmitContext ec)
{
- SimpleAssign a = new SimpleAssign (GetFieldExpression (ec), ec.GetThis (field.Location));
+ SimpleAssign a = new SimpleAssign (GetFieldExpression (ec), new CompilerGeneratedThis (ec.CurrentType, field.Location));
if (a.Resolve (new ResolveContext (ec.MemberContext)) != null)
a.EmitStatement (ec);
}
//
public class AnonymousMethodExpression : Expression
{
- ListDictionary compatibles;
+ //
+ // Special conversion for nested expression tree lambdas
+ //
+ class Quote : ShimExpression
+ {
+ public Quote (Expression expr)
+ : base (expr)
+ {
+ }
+
+ public override Expression CreateExpressionTree (ResolveContext ec)
+ {
+ var args = new Arguments (1);
+ args.Add (new Argument (expr.CreateExpressionTree (ec)));
+ return CreateExpressionFactoryCall (ec, "Quote", args);
+ }
+
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ expr = expr.Resolve (rc);
+ if (expr == null)
+ return null;
+
+ eclass = expr.eclass;
+ type = expr.Type;
+ return this;
+ }
+ }
+
+ Dictionary<TypeSpec, Expression> compatibles;
public ToplevelBlock Block;
public AnonymousMethodExpression (Location loc)
{
this.loc = loc;
- this.compatibles = new ListDictionary ();
+ this.compatibles = new Dictionary<TypeSpec, Expression> ();
}
public override string ExprClassName {
// Returns true if the body of lambda expression can be implicitly
// converted to the delegate of type `delegate_type'
//
- public bool ImplicitStandardConversionExists (ResolveContext ec, Type delegate_type)
+ public bool ImplicitStandardConversionExists (ResolveContext ec, TypeSpec delegate_type)
{
- using (ec.With (EmitContext.Options.InferReturnType, false)) {
- using (ec.Set (EmitContext.Options.ProbingMode)) {
+ using (ec.With (ResolveContext.Options.InferReturnType, false)) {
+ using (ec.Set (ResolveContext.Options.ProbingMode)) {
return Compatible (ec, delegate_type) != null;
}
}
}
- protected Type CompatibleChecks (ResolveContext ec, Type delegate_type)
+ protected TypeSpec CompatibleChecks (ResolveContext ec, TypeSpec delegate_type)
{
- if (TypeManager.IsDelegateType (delegate_type))
+ if (delegate_type.IsDelegate)
return delegate_type;
- if (TypeManager.DropGenericTypeArguments (delegate_type) == TypeManager.expression_type) {
- delegate_type = TypeManager.GetTypeArguments (delegate_type) [0];
- if (TypeManager.IsDelegateType (delegate_type))
+ if (delegate_type.IsGeneric && delegate_type.GetDefinition () == TypeManager.expression_type) {
+ delegate_type = delegate_type.TypeArguments [0];
+ if (delegate_type.IsDelegate)
return delegate_type;
- Report.Error (835, loc, "Cannot convert `{0}' to an expression tree of non-delegate type `{1}'",
+ ec.Report.Error (835, loc, "Cannot convert `{0}' to an expression tree of non-delegate type `{1}'",
GetSignatureForError (), TypeManager.CSharpName (delegate_type));
return null;
}
- Report.Error (1660, loc, "Cannot convert `{0}' to non-delegate type `{1}'",
+ ec.Report.Error (1660, loc, "Cannot convert `{0}' to non-delegate type `{1}'",
GetSignatureForError (), TypeManager.CSharpName (delegate_type));
return null;
}
- protected bool VerifyExplicitParameters (Type delegate_type, AParametersCollection parameters, bool ignore_error)
+ protected bool VerifyExplicitParameters (ResolveContext ec, TypeSpec delegate_type, AParametersCollection parameters)
{
- if (VerifyParameterCompatibility (delegate_type, parameters, ignore_error))
+ if (VerifyParameterCompatibility (ec, delegate_type, parameters, ec.IsInProbingMode))
return true;
- if (!ignore_error)
- Report.Error (1661, loc,
+ if (!ec.IsInProbingMode)
+ ec.Report.Error (1661, loc,
"Cannot convert `{0}' to delegate type `{1}' since there is a parameter mismatch",
GetSignatureForError (), TypeManager.CSharpName (delegate_type));
return false;
}
- protected bool VerifyParameterCompatibility (Type delegate_type, AParametersCollection invoke_pd, bool ignore_errors)
+ protected bool VerifyParameterCompatibility (ResolveContext ec, TypeSpec delegate_type, AParametersCollection invoke_pd, bool ignore_errors)
{
if (Parameters.Count != invoke_pd.Count) {
if (ignore_errors)
return false;
- Report.Error (1593, loc, "Delegate `{0}' does not take `{1}' arguments",
+ ec.Report.Error (1593, loc, "Delegate `{0}' does not take `{1}' arguments",
TypeManager.CSharpName (delegate_type), Parameters.Count.ToString ());
return false;
}
return false;
if (p_mod == Parameter.Modifier.NONE)
- Report.Error (1677, loc, "Parameter `{0}' should not be declared with the `{1}' keyword",
+ ec.Report.Error (1677, loc, "Parameter `{0}' should not be declared with the `{1}' keyword",
(i + 1).ToString (), Parameter.GetModifierSignature (Parameters.FixedParameters [i].ModFlags));
else
- Report.Error (1676, loc, "Parameter `{0}' must be declared with the `{1}' keyword",
+ ec.Report.Error (1676, loc, "Parameter `{0}' must be declared with the `{1}' keyword",
(i+1).ToString (), Parameter.GetModifierSignature (p_mod));
error = true;
}
if (has_implicit_parameters)
continue;
- Type type = invoke_pd.Types [i];
+ TypeSpec type = invoke_pd.Types [i];
// We assume that generic parameters are always inflated
if (TypeManager.IsGenericParameter (type))
if (ignore_errors)
return false;
- Report.Error (1678, loc, "Parameter `{0}' is declared as type `{1}' but should be `{2}'",
+ ec.Report.Error (1678, loc, "Parameter `{0}' is declared as type `{1}' but should be `{2}'",
(i+1).ToString (),
TypeManager.CSharpName (Parameters.Types [i]),
TypeManager.CSharpName (invoke_pd.Types [i]));
//
// Infers type arguments based on explicit arguments
//
- public bool ExplicitTypeInference (TypeInferenceContext type_inference, Type delegate_type)
+ public bool ExplicitTypeInference (ResolveContext ec, TypeInferenceContext type_inference, TypeSpec delegate_type)
{
if (!HasExplicitParameters)
return false;
- if (!TypeManager.IsDelegateType (delegate_type)) {
- if (TypeManager.DropGenericTypeArguments (delegate_type) != TypeManager.expression_type)
+ if (!delegate_type.IsDelegate) {
+ if (delegate_type.GetDefinition () != TypeManager.expression_type)
return false;
delegate_type = TypeManager.GetTypeArguments (delegate_type) [0];
- if (!TypeManager.IsDelegateType (delegate_type))
+ if (!delegate_type.IsDelegate)
return false;
}
- AParametersCollection d_params = TypeManager.GetDelegateParameters (delegate_type);
+ AParametersCollection d_params = Delegate.GetParameters (ec.Compiler, delegate_type);
if (d_params.Count != Parameters.Count)
return false;
for (int i = 0; i < Parameters.Count; ++i) {
- Type itype = d_params.Types [i];
+ TypeSpec itype = d_params.Types [i];
if (!TypeManager.IsGenericParameter (itype)) {
if (!TypeManager.HasElementType (itype))
continue;
return true;
}
- public Type InferReturnType (EmitContext ec, TypeInferenceContext tic, Type delegate_type)
+ public TypeSpec InferReturnType (ResolveContext ec, TypeInferenceContext tic, TypeSpec delegate_type)
{
- AnonymousMethodBody am;
- using (ec.Set (EmitContext.Options.ProbingMode | EmitContext.Options.InferReturnType)) {
- am = CompatibleMethod (ec, tic, InternalType.Arglist, delegate_type);
+ AnonymousExpression am;
+ using (ec.Set (ResolveContext.Options.ProbingMode | ResolveContext.Options.InferReturnType)) {
+ am = CompatibleMethodBody (ec, tic, InternalType.Arglist, delegate_type);
+ if (am != null)
+ am = am.Compatible (ec);
}
if (am == null)
// Returns AnonymousMethod container if this anonymous method
// expression can be implicitly converted to the delegate type `delegate_type'
//
- public Expression Compatible (ResolveContext ec, Type type)
+ public Expression Compatible (ResolveContext ec, TypeSpec type)
{
- Expression am = (Expression) compatibles [type];
- if (am != null)
+ Expression am;
+ if (compatibles.TryGetValue (type, out am))
return am;
- Type delegate_type = CompatibleChecks (ec, type);
+ TypeSpec delegate_type = CompatibleChecks (ec, type);
if (delegate_type == null)
return null;
// needed for the anonymous method. We create the method here.
//
- MethodInfo invoke_mb = Delegate.GetInvokeMethod (
- ec.CurrentType, delegate_type);
- Type return_type = TypeManager.TypeToCoreType (invoke_mb.ReturnType);
-
-#if MS_COMPATIBLE
- Type[] g_args = delegate_type.GetGenericArguments ();
- if (return_type.IsGenericParameter)
- return_type = g_args [return_type.GenericParameterPosition];
-#endif
+ var invoke_mb = Delegate.GetInvokeMethod (ec.Compiler, delegate_type);
+ TypeSpec return_type = invoke_mb.ReturnType;
//
// Second: the return type of the delegate must be compatible with
// to be the delegate type return type.
//
- try {
- int errors = Report.Errors;
- am = CompatibleMethod (ec, null, return_type, delegate_type);
- if (am != null && delegate_type != type && errors == Report.Errors)
- am = CreateExpressionTree (ec, delegate_type);
+ var body = CompatibleMethodBody (ec, null, return_type, delegate_type);
+ if (body == null)
+ return null;
- if (!ec.IsInProbingMode)
- compatibles.Add (type, am == null ? EmptyExpression.Null : am);
+ bool etree_conversion = delegate_type != type;
- return am;
- } catch (CompletionResult){
+ try {
+ if (etree_conversion) {
+ if (ec.HasSet (ResolveContext.Options.ExpressionTreeConversion)) {
+ //
+ // Nested expression tree lambda use same scope as parent
+ // lambda, this also means no variable capturing between this
+ // and parent scope
+ //
+ am = body.Compatible (ec, ec.CurrentAnonymousMethod);
+
+ //
+ // Quote nested expression tree
+ //
+ if (am != null)
+ am = new Quote (am);
+ } else {
+ int errors = ec.Report.Errors;
+
+ using (ec.Set (ResolveContext.Options.ExpressionTreeConversion)) {
+ am = body.Compatible (ec);
+ }
+
+ //
+ // Rewrite expressions into expression tree when targeting Expression<T>
+ //
+ if (am != null && errors == ec.Report.Errors)
+ am = CreateExpressionTree (ec, delegate_type);
+ }
+ } else {
+ am = body.Compatible (ec);
+ }
+ } catch (CompletionResult) {
throw;
} catch (Exception e) {
throw new InternalErrorException (e, loc);
}
+
+ if (!ec.IsInProbingMode)
+ compatibles.Add (type, am == null ? EmptyExpression.Null : am);
+
+ return am;
}
- protected virtual Expression CreateExpressionTree (ResolveContext ec, Type delegate_type)
+ protected virtual Expression CreateExpressionTree (ResolveContext ec, TypeSpec delegate_type)
{
return CreateExpressionTree (ec);
}
public override Expression CreateExpressionTree (ResolveContext ec)
{
- Report.Error (1946, loc, "An anonymous method cannot be converted to an expression tree");
+ ec.Report.Error (1946, loc, "An anonymous method cannot be converted to an expression tree");
return null;
}
- protected virtual ParametersCompiled ResolveParameters (EmitContext ec, TypeInferenceContext tic, Type delegate_type)
+ protected virtual ParametersCompiled ResolveParameters (ResolveContext ec, TypeInferenceContext tic, TypeSpec delegate_type)
{
- AParametersCollection delegate_parameters = TypeManager.GetDelegateParameters (delegate_type);
+ var delegate_parameters = Delegate.GetParameters (ec.Compiler, delegate_type);
if (Parameters == ParametersCompiled.Undefined) {
//
for (int i = 0; i < delegate_parameters.Count; i++) {
Parameter.Modifier i_mod = delegate_parameters.FixedParameters [i].ModFlags;
if (i_mod == Parameter.Modifier.OUT) {
- Report.Error (1688, loc, "Cannot convert anonymous " +
+ ec.Report.Error (1688, loc, "Cannot convert anonymous " +
"method block without a parameter list " +
"to delegate type `{0}' because it has " +
"one or more `out' parameters.",
return ParametersCompiled.CreateFullyResolved (fixedpars, delegate_parameters.Types);
}
- if (!VerifyExplicitParameters (delegate_type, delegate_parameters, ec.IsInProbingMode)) {
+ if (!VerifyExplicitParameters (ec, delegate_type, delegate_parameters)) {
return null;
}
return Parameters;
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (ec.HasSet (EmitContext.Options.ConstantScope)) {
- Report.Error (1706, loc, "Anonymous methods and lambda expressions cannot be used in the current context");
+ if (ec.HasSet (ResolveContext.Options.ConstantScope)) {
+ ec.Report.Error (1706, loc, "Anonymous methods and lambda expressions cannot be used in the current context");
return null;
}
// nothing, as we only exist to not do anything.
}
- public static void Error_AddressOfCapturedVar (IVariableReference var, Location loc)
+ public static void Error_AddressOfCapturedVar (ResolveContext ec, IVariableReference var, Location loc)
{
- Report.Error (1686, loc,
+ ec.Report.Error (1686, loc,
"Local variable or parameter `{0}' cannot have their address taken and be used inside an anonymous method or lambda expression",
var.Name);
}
return ExprClassName;
}
- protected AnonymousMethodBody CompatibleMethod (EmitContext ec, TypeInferenceContext tic, Type return_type, Type delegate_type)
+ AnonymousMethodBody CompatibleMethodBody (ResolveContext ec, TypeInferenceContext tic, TypeSpec return_type, TypeSpec delegate_type)
{
ParametersCompiled p = ResolveParameters (ec, tic, delegate_type);
if (p == null)
ToplevelBlock b = ec.IsInProbingMode ? (ToplevelBlock) Block.PerformClone () : Block;
- AnonymousMethodBody anonymous = CompatibleMethodFactory (return_type, delegate_type, p, b);
- if (!anonymous.Compatible (ec))
- return null;
+ return CompatibleMethodFactory (return_type, delegate_type, p, b);
- return anonymous;
}
- protected virtual AnonymousMethodBody CompatibleMethodFactory (Type return_type, Type delegate_type, ParametersCompiled p, ToplevelBlock b)
+ protected virtual AnonymousMethodBody CompatibleMethodFactory (TypeSpec return_type, TypeSpec delegate_type, ParametersCompiled p, ToplevelBlock b)
{
return new AnonymousMethodBody (p, b, return_type, delegate_type, loc);
}
public AnonymousMethodMethod (DeclSpace parent, AnonymousExpression am, AnonymousMethodStorey storey,
GenericMethod generic, TypeExpr return_type,
- int mod, string real_name, MemberName name,
+ Modifiers mod, string real_name, MemberName name,
ParametersCompiled parameters)
: base (parent, generic, return_type, mod | Modifiers.COMPILER_GENERATED,
name, parameters, null)
{
EmitContext ec = new EmitContext (this, ig, ReturnType);
ec.CurrentAnonymousMethod = AnonymousMethod;
+ if (AnonymousMethod.return_label != null) {
+ ec.HasReturnLabel = true;
+ ec.ReturnLabel = (Label) AnonymousMethod.return_label;
+ }
+
return ec;
}
+ protected override void DefineTypeParameters ()
+ {
+ // Type parameters were cloned
+ }
+
protected override bool ResolveMemberType ()
{
if (!base.ResolveMemberType ())
return false;
- if (Storey != null && Storey.IsGeneric) {
- AnonymousMethodStorey gstorey = Storey.GetGenericStorey ();
- if (gstorey != null) {
- if (!Parameters.IsEmpty) {
- Type [] ptypes = Parameters.Types;
- for (int i = 0; i < ptypes.Length; ++i)
- ptypes [i] = gstorey.MutateType (ptypes [i]);
- }
-
- member_type = gstorey.MutateType (member_type);
+ if (Storey != null && Storey.Mutator != null) {
+ if (!parameters.IsEmpty) {
+ var mutated = Storey.Mutator.Mutate (parameters.Types);
+ if (mutated != parameters.Types)
+ parameters = ParametersCompiled.CreateFullyResolved ((Parameter[]) parameters.FixedParameters, mutated);
}
+
+ member_type = Storey.Mutator.Mutate (member_type);
}
return true;
public override void Emit ()
{
- //
- // Before emitting any code we have to change all MVAR references to VAR
- // when the method is of generic type and has hoisted variables
- //
- if (Storey == Parent && Storey.IsGeneric) {
- AnonymousMethodStorey gstorey = Storey.GetGenericStorey ();
- if (gstorey != null) {
- block.MutateHoistedGenericType (gstorey);
- }
- }
-
if (MethodBuilder == null) {
Define ();
}
}
}
- //
- // The block that makes up the body for the anonymous method
- //
- protected readonly ToplevelBlock Block;
+ readonly ToplevelBlock block;
+
+ public TypeSpec ReturnType;
- public Type ReturnType;
+ object return_label;
- protected AnonymousExpression (ToplevelBlock block, Type return_type, Location loc)
+ protected AnonymousExpression (ToplevelBlock block, TypeSpec return_type, Location loc)
{
this.ReturnType = return_type;
- this.Block = block;
+ this.block = block;
this.loc = loc;
}
public abstract bool IsIterator { get; }
public abstract AnonymousMethodStorey Storey { get; }
- public bool Compatible (EmitContext ec)
+ public AnonymousExpression Compatible (ResolveContext ec)
+ {
+ return Compatible (ec, this);
+ }
+
+ public AnonymousExpression Compatible (ResolveContext ec, AnonymousExpression ae)
{
// TODO: Implement clone
BlockContext aec = new BlockContext (ec.MemberContext, Block, ReturnType);
- aec.CurrentAnonymousMethod = this;
+ aec.CurrentAnonymousMethod = ae;
IDisposable aec_dispose = null;
- EmitContext.Options flags = 0;
- if (ec.HasSet (EmitContext.Options.InferReturnType)) {
- flags |= EmitContext.Options.InferReturnType;
+ ResolveContext.Options flags = 0;
+ if (ec.HasSet (ResolveContext.Options.InferReturnType)) {
+ flags |= ResolveContext.Options.InferReturnType;
aec.ReturnTypeInference = new TypeInferenceContext ();
}
if (ec.IsInProbingMode)
- flags |= EmitContext.Options.ProbingMode;
+ flags |= ResolveContext.Options.ProbingMode;
+
+ if (ec.HasSet (ResolveContext.Options.FieldInitializerScope))
+ flags |= ResolveContext.Options.FieldInitializerScope;
- if (ec.HasSet (EmitContext.Options.FieldInitializerScope))
- flags |= EmitContext.Options.FieldInitializerScope;
+ if (ec.IsUnsafe)
+ flags |= ResolveContext.Options.UnsafeScope;
- if (ec.InUnsafe)
- flags |= EmitContext.Options.UnsafeScope;
+ if (ec.HasSet (ResolveContext.Options.CheckedScope))
+ flags |= ResolveContext.Options.CheckedScope;
+
+ if (ec.HasSet (ResolveContext.Options.ExpressionTreeConversion))
+ flags |= ResolveContext.Options.ExpressionTreeConversion;
// HACK: Flag with 0 cannot be set
if (flags != 0)
bool res = Block.Resolve (ec.CurrentBranching, aec, Block.Parameters, null);
- if (ec.HasSet (EmitContext.Options.InferReturnType)) {
- aec.ReturnTypeInference.FixAllTypes ();
+ if (aec.HasReturnLabel)
+ return_label = aec.ReturnLabel;
+
+ if (ec.HasSet (ResolveContext.Options.InferReturnType)) {
+ aec.ReturnTypeInference.FixAllTypes (ec);
ReturnType = aec.ReturnTypeInference.InferredTypeArguments [0];
}
aec_dispose.Dispose ();
}
- return res;
+ return res ? this : null;
}
public void SetHasThisAccess ()
b = b.Parent == null ? null : b.Parent.Explicit;
}
}
+
+ //
+ // The block that makes up the body for the anonymous method
+ //
+ public ToplevelBlock Block {
+ get {
+ return block;
+ }
+ }
+
}
public class AnonymousMethodBody : AnonymousExpression
static int unique_id;
public AnonymousMethodBody (ParametersCompiled parameters,
- ToplevelBlock block, Type return_type, Type delegate_type,
+ ToplevelBlock block, TypeSpec return_type, TypeSpec delegate_type,
Location loc)
: base (block, return_type, loc)
{
public override Expression CreateExpressionTree (ResolveContext ec)
{
- Report.Error (1945, loc, "An expression tree cannot contain an anonymous method expression");
+ ec.Report.Error (1945, loc, "An expression tree cannot contain an anonymous method expression");
return null;
}
- bool Define (EmitContext ec)
+ bool Define (ResolveContext ec)
{
- if (!Block.Resolved && !Compatible (ec))
+ if (!Block.Resolved && Compatible (ec) == null)
return false;
if (block_name == null) {
// 3, an instance method in compiler generated storey when any hoisted variable exists
//
- int modifiers;
+ Modifiers modifiers;
if (Block.HasCapturedVariable || Block.HasCapturedThis) {
storey = FindBestMethodStorey ();
modifiers = storey != null ? Modifiers.INTERNAL : Modifiers.PRIVATE;
modifiers = Modifiers.STATIC | Modifiers.PRIVATE;
}
- TypeContainer parent = storey != null ? storey : ec.CurrentTypeDefinition;
+ TypeContainer parent = storey != null ? storey : ec.CurrentTypeDefinition.Parent.PartialContainer;
MemberCore mc = ec.MemberContext as MemberCore;
string name = CompilerGeneratedClass.MakeName (parent != storey ? block_name : null,
MemberName member_name;
GenericMethod generic_method;
- if (storey == null && mc.MemberName.IsGeneric) {
+ if (storey == null && mc.MemberName.TypeArguments != null) {
member_name = new MemberName (name, mc.MemberName.TypeArguments.Clone (), Location);
- generic_method = new GenericMethod (parent.NamespaceEntry, parent, member_name,
- new TypeExpression (ReturnType, Location), parameters);
-
- ArrayList list = new ArrayList ();
- foreach (TypeParameter tparam in ec.CurrentTypeParameters) {
- if (tparam.Constraints != null)
- list.Add (tparam.Constraints.Clone ());
+ var hoisted_tparams = ec.CurrentTypeParameters;
+ var type_params = new TypeParameter[hoisted_tparams.Length];
+ for (int i = 0; i < type_params.Length; ++i) {
+ type_params[i] = hoisted_tparams[i].CreateHoistedCopy (null);
}
- generic_method.SetParameterInfo (list);
+
+ generic_method = new GenericMethod (parent.NamespaceEntry, parent, member_name, type_params,
+ new TypeExpression (ReturnType, Location), parameters);
} else {
member_name = new MemberName (name, Location);
generic_method = null;
real_name, member_name, parameters);
}
- public override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext ec)
{
- if (eclass == ExprClass.Invalid) {
- if (!Define (ec))
- return null;
- }
+ if (!Define (ec))
+ return null;
eclass = ExprClass.Value;
return this;
}
}
- ILGenerator ig = ec.ig;
- Label l_initialized = ig.DefineLabel ();
+ Label l_initialized = ec.DefineLabel ();
if (am_cache != null) {
- ig.Emit (OpCodes.Ldsfld, am_cache.FieldBuilder);
- ig.Emit (OpCodes.Brtrue_S, l_initialized);
+ ec.Emit (OpCodes.Ldsfld, am_cache.Spec);
+ ec.Emit (OpCodes.Brtrue_S, l_initialized);
}
//
//
if (is_static) {
- ig.Emit (OpCodes.Ldnull);
+ ec.Emit (OpCodes.Ldnull);
} else if (storey != null) {
Expression e = storey.GetStoreyInstanceExpression (ec).Resolve (new ResolveContext (ec.MemberContext));
if (e != null)
e.Emit (ec);
} else {
- ig.Emit (OpCodes.Ldarg_0);
+ ec.Emit (OpCodes.Ldarg_0);
}
- MethodInfo delegate_method = method.MethodBuilder;
+ var delegate_method = method.Spec;
if (storey != null && storey.MemberName.IsGeneric) {
- Type t = storey.Instance.Type;
-
+ TypeSpec t = storey.Instance.Type;
+
//
// Mutate anonymous method instance type if we are in nested
// hoisted generic anonymous method storey
//
if (ec.CurrentAnonymousMethod != null &&
ec.CurrentAnonymousMethod.Storey != null &&
- ec.CurrentAnonymousMethod.Storey.IsGeneric) {
- t = storey.GetGenericStorey ().MutateType (t);
+ ec.CurrentAnonymousMethod.Storey.Mutator != null) {
+ t = storey.Mutator.Mutate (t);
}
-#if GMCS_SOURCE
- delegate_method = TypeBuilder.GetMethod (t, delegate_method);
-#else
- throw new NotSupportedException ();
-#endif
+ ec.Emit (OpCodes.Ldftn, TypeBuilder.GetMethod (t.GetMetaInfo (), (MethodInfo) delegate_method.GetMetaInfo ()));
+ } else {
+ ec.Emit (OpCodes.Ldftn, delegate_method);
}
- ig.Emit (OpCodes.Ldftn, delegate_method);
-
- ConstructorInfo constructor_method = Delegate.GetConstructor (ec.CurrentType, type);
-#if MS_COMPATIBLE
- if (type.IsGenericType && type is TypeBuilder)
- constructor_method = TypeBuilder.GetConstructor (type, constructor_method);
-#endif
- ig.Emit (OpCodes.Newobj, constructor_method);
+ var constructor_method = Delegate.GetConstructor (ec.MemberContext.Compiler, ec.CurrentType, type);
+ ec.Emit (OpCodes.Newobj, constructor_method);
if (am_cache != null) {
- ig.Emit (OpCodes.Stsfld, am_cache.FieldBuilder);
- ig.MarkLabel (l_initialized);
- ig.Emit (OpCodes.Ldsfld, am_cache.FieldBuilder);
+ ec.Emit (OpCodes.Stsfld, am_cache.Spec);
+ ec.MarkLabel (l_initialized);
+ ec.Emit (OpCodes.Ldsfld, am_cache.Spec);
}
}
return TypeManager.CSharpName (type);
}
- public override void MutateHoistedGenericType (AnonymousMethodStorey storey)
- {
- type = storey.MutateType (type);
- }
-
public static void Reset ()
{
unique_id = 0;
{
sealed class AnonymousParameters : ParametersCompiled
{
- public AnonymousParameters (params Parameter[] parameters)
- : base (parameters)
+ public AnonymousParameters (CompilerContext ctx, params Parameter[] parameters)
+ : base (ctx, parameters)
{
}
- protected override void ErrorDuplicateName (Parameter p)
+ protected override void ErrorDuplicateName (Parameter p, Report Report)
{
Report.Error (833, p.Location, "`{0}': An anonymous type cannot have multiple properties with the same name",
p.Name);
public const string ClassNamePrefix = "<>__AnonType";
public const string SignatureForError = "anonymous type";
- readonly ArrayList parameters;
+ readonly IList<AnonymousTypeParameter> parameters;
- private AnonymousTypeClass (DeclSpace parent, MemberName name, ArrayList parameters, Location loc)
+ private AnonymousTypeClass (DeclSpace parent, MemberName name, IList<AnonymousTypeParameter> parameters, Location loc)
: base (parent, name, (RootContext.EvalMode ? Modifiers.PUBLIC : 0) | Modifiers.SEALED)
{
this.parameters = parameters;
}
- public static AnonymousTypeClass Create (TypeContainer parent, ArrayList parameters, Location loc)
+ public static AnonymousTypeClass Create (CompilerContext ctx, TypeContainer parent, IList<AnonymousTypeParameter> parameters, Location loc)
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (loc, "anonymous types");
-
string name = ClassNamePrefix + types_counter++;
SimpleName [] t_args = new SimpleName [parameters.Count];
a_type.SetParameterInfo (null);
Constructor c = new Constructor (a_type, name, Modifiers.PUBLIC | Modifiers.DEBUGGER_HIDDEN,
- null, new AnonymousParameters (ctor_params), null, loc);
- c.Block = new ToplevelBlock (c.Parameters, loc);
+ null, new AnonymousParameters (ctx, ctor_params), null, loc);
+ c.Block = new ToplevelBlock (ctx, c.ParameterInfo, loc);
//
// Create fields and contructor body with field initialization
new SimpleAssign (new MemberAccess (new This (p.Location), f.Name),
c.Block.GetParameterReference (p.Name, p.Location))));
- ToplevelBlock get_block = new ToplevelBlock (p.Location);
+ ToplevelBlock get_block = new ToplevelBlock (ctx, p.Location);
get_block.AddStatement (new Return (
new MemberAccess (new This (p.Location), f.Name), p.Location));
Accessor get_accessor = new Accessor (get_block, 0, null, null, p.Location);
protected override bool AddToContainer (MemberCore symbol, string name)
{
- MemberCore mc = (MemberCore) defined_names [name];
+ MemberCore mc = GetDefinition (name);
if (mc == null) {
defined_names.Add (name, symbol);
return false;
}
- void DefineOverrides ()
+ protected override bool DoDefineMembers ()
{
+ if (!base.DoDefineMembers ())
+ return false;
+
Location loc = Location;
Method equals = new Method (this, null, TypeManager.system_boolean_expr,
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("ToString", loc),
Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);
- ToplevelBlock equals_block = new ToplevelBlock (equals.Parameters, loc);
+ ToplevelBlock equals_block = new ToplevelBlock (Compiler, equals.ParameterInfo, loc);
TypeExpr current_type;
- if (IsGeneric)
- current_type = new GenericTypeExpr (this, loc);
- else
- current_type = new TypeExpression (TypeBuilder, loc);
+ if (type_params != null) {
+ var targs = new TypeArguments ();
+ foreach (var type_param in type_params)
+ targs.Add (new TypeParameterExpr (type_param, type_param.Location));
+
+ current_type = new GenericTypeExpr (Definition, targs, loc);
+ } else {
+ current_type = new TypeExpression (Definition, loc);
+ }
equals_block.AddVariable (current_type, "other", loc);
LocalVariableReference other_variable = new LocalVariableReference (equals_block, "other", loc);
Expression string_concat = new StringConstant ("{", loc);
Expression rs_hashcode = new IntConstant (-2128831035, loc);
for (int i = 0; i < parameters.Count; ++i) {
- AnonymousTypeParameter p = (AnonymousTypeParameter) parameters [i];
- Field f = (Field) Fields [i];
+ var p = parameters [i];
+ var f = Fields [i];
MemberAccess equality_comparer = new MemberAccess (new MemberAccess (
system_collections_generic, "EqualityComparer",
- new TypeArguments (new SimpleName (TypeParameters [i].Name, loc)), loc),
+ new TypeArguments (new SimpleName (CurrentTypeParameters [i].Name, loc)), loc),
"Default", loc);
Arguments arguments_equal = new Arguments (2);
IntConstant FNV_prime = new IntConstant (16777619, loc);
rs_hashcode = new Binary (Binary.Operator.Multiply,
- new Binary (Binary.Operator.ExclusiveOr, rs_hashcode, field_hashcode),
- FNV_prime);
+ new Binary (Binary.Operator.ExclusiveOr, rs_hashcode, field_hashcode, loc),
+ FNV_prime, loc);
- Expression field_to_string = new Conditional (new Binary (Binary.Operator.Inequality,
- new MemberAccess (new This (f.Location), f.Name), new NullLiteral (loc)),
+ Expression field_to_string = new Conditional (new BooleanExpression (new Binary (Binary.Operator.Inequality,
+ new MemberAccess (new This (f.Location), f.Name), new NullLiteral (loc), loc)),
new Invocation (new MemberAccess (
new MemberAccess (new This (f.Location), f.Name), "ToString"), null),
new StringConstant (string.Empty, loc));
string_concat,
new Binary (Binary.Operator.Addition,
new StringConstant (" " + p.Name + " = ", loc),
- field_to_string));
+ field_to_string,
+ loc),
+ loc);
continue;
}
string_concat = new Binary (Binary.Operator.Addition,
new Binary (Binary.Operator.Addition,
string_concat,
- new StringConstant (", " + p.Name + " = ", loc)),
- field_to_string);
+ new StringConstant (", " + p.Name + " = ", loc),
+ loc),
+ field_to_string,
+ loc);
- rs_equals = new Binary (Binary.Operator.LogicalAnd, rs_equals, field_equal);
+ rs_equals = new Binary (Binary.Operator.LogicalAnd, rs_equals, field_equal, loc);
}
string_concat = new Binary (Binary.Operator.Addition,
string_concat,
- new StringConstant (" }", loc));
+ new StringConstant (" }", loc),
+ loc);
//
// Equals (object obj) override
new As (equals_block.GetParameterReference ("obj", loc),
current_type, loc), loc)));
- Expression equals_test = new Binary (Binary.Operator.Inequality, other_variable, new NullLiteral (loc));
+ Expression equals_test = new Binary (Binary.Operator.Inequality, other_variable, new NullLiteral (loc), loc);
if (rs_equals != null)
- equals_test = new Binary (Binary.Operator.LogicalAnd, equals_test, rs_equals);
+ equals_test = new Binary (Binary.Operator.LogicalAnd, equals_test, rs_equals, loc);
equals_block.AddStatement (new Return (equals_test, loc));
equals.Block = equals_block;
// hash ^= hash >> 17;
// hash += hash << 5;
- ToplevelBlock hashcode_top = new ToplevelBlock (loc);
+ ToplevelBlock hashcode_top = new ToplevelBlock (Compiler, loc);
Block hashcode_block = new Block (hashcode_top);
hashcode_top.AddStatement (new Unchecked (hashcode_block));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
- new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (13, loc)))));
+ new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (13, loc), loc))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
- new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (7, loc)))));
+ new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (7, loc), loc))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
- new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (3, loc)))));
+ new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (3, loc), loc))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
- new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (17, loc)))));
+ new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (17, loc), loc))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
- new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (5, loc)))));
+ new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (5, loc), loc))));
hashcode_block.AddStatement (new Return (hash_variable, loc));
hashcode.Block = hashcode_top;
// ToString () override
//
- ToplevelBlock tostring_block = new ToplevelBlock (loc);
+ ToplevelBlock tostring_block = new ToplevelBlock (Compiler, loc);
tostring_block.AddStatement (new Return (string_concat, loc));
tostring.Block = tostring_block;
tostring.Define ();
AddMethod (tostring);
- }
-
- public override bool Define ()
- {
- if (!base.Define ())
- return false;
- DefineOverrides ();
return true;
}
return SignatureForError;
}
- public ArrayList Parameters {
+ public IList<AnonymousTypeParameter> Parameters {
get {
return parameters;
}
projects / mono.git / blobdiff