// Dual licensed under the terms of the MIT X11 or GNU GPL
//
// Copyright 2009 Novell, Inc
+// Copyright 2011 Xamarin Inc.
//
using System;
-using System.Reflection.Emit;
+using System.Linq;
using SLE = System.Linq.Expressions;
#if NET_4_0
public DynamicTypeExpr (Location loc)
{
this.loc = loc;
-
- type = InternalType.Dynamic;
- eclass = ExprClass.Type;
}
- public override bool CheckAccessLevel (IMemberContext ds)
+ public override TypeSpec ResolveAsType (IMemberContext ec)
{
- return true;
- }
-
- protected override TypeExpr DoResolveAsTypeStep (IMemberContext ec)
- {
- return this;
+ eclass = ExprClass.Type;
+ type = ec.Module.Compiler.BuiltinTypes.Dynamic;
+ return type;
}
}
throw new NotImplementedException ();
}
+ public override bool ContainsEmitWithAwait ()
+ {
+ throw new NotSupportedException ();
+ }
+
public override Expression CreateExpressionTree (ResolveContext ec)
{
- throw new NotImplementedException ();
+ throw new NotSupportedException ();
}
protected override Expression DoResolve (ResolveContext ec)
throw new NotImplementedException ();
}
- public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool prepare_for_load)
+ public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool isCompound)
{
throw new NotImplementedException ();
}
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
- return SLE.Expression.Convert (obj.Expression, type.GetMetaInfo ());
+#if STATIC
+ return base.MakeExpression (ctx);
+#else
+
+ #if NET_4_0
+ if (type.IsStruct && !obj.Expression.Type.IsValueType)
+ return SLE.Expression.Unbox (obj.Expression, type.GetMetaInfo ());
+
+ if (obj.Expression.NodeType == SLE.ExpressionType.Parameter) {
+ if (((SLE.ParameterExpression) obj.Expression).IsByRef)
+ return obj.Expression;
+ }
+ #endif
+
+ return SLE.Expression.Convert (obj.Expression, type.GetMetaInfo ());
+#endif
}
}
#if NET_4_0
public override SLE.Expression MakeExpression (BuilderContext ctx)
{
+#if STATIC
+ return base.MakeExpression (ctx);
+#else
return SLE.Expression.Block (expr.MakeExpression (ctx), SLE.Expression.Default (type.GetMetaInfo ()));
+#endif
}
#endif
}
//
class DynamicExpressionStatement : ExpressionStatement
{
- class StaticDataClass : CompilerGeneratedClass
- {
- public StaticDataClass ()
- : base (new RootDeclSpace (new NamespaceEntry (null, null, null)),
- new MemberName (CompilerGeneratedClass.MakeName (null, "c", "DynamicSites", 0)),
- Modifiers.INTERNAL | Modifiers.STATIC)
- {
- }
- }
-
//
// Binder flag dynamic constant, the value is combination of
// flags known at resolve stage and flags known only at emit
{
this.flags = flags;
this.statement = statement;
+ eclass = 0;
}
protected override Expression DoResolve (ResolveContext ec)
{
- Child = new IntConstant ((int) (flags | statement.flags), statement.loc).Resolve (ec);
+ Child = new IntConstant (ec.BuiltinTypes, (int) (flags | statement.flags), statement.loc);
- type = TypeManager.binder_flags;
+ type = ec.Module.PredefinedTypes.BinderFlags.Resolve ();
eclass = Child.eclass;
return this;
}
}
- static StaticDataClass global_site_container;
- static int field_counter;
- static int container_counter;
-
readonly Arguments arguments;
protected IDynamicBinder binder;
protected Expression binder_expr;
// Used by BinderFlags
protected CSharpBinderFlags flags;
+ TypeSpec binder_type;
+ TypeParameters context_mvars;
+
public DynamicExpressionStatement (IDynamicBinder binder, Arguments args, Location loc)
{
this.binder = binder;
}
}
- static TypeContainer CreateSiteContainer ()
+ public override bool ContainsEmitWithAwait ()
{
- if (global_site_container == null) {
- global_site_container = new StaticDataClass ();
- RootContext.ToplevelTypes.AddCompilerGeneratedClass (global_site_container);
- global_site_container.CreateType ();
- global_site_container.DefineType ();
- global_site_container.Define ();
- }
-
- return global_site_container;
- }
-
- static Field CreateSiteField (FullNamedExpression type)
- {
- TypeContainer site_container = CreateSiteContainer ();
- Field f = new Field (site_container, type, Modifiers.PUBLIC | Modifiers.STATIC,
- new MemberName ("Site" + field_counter++), null);
- f.Define ();
-
- site_container.AddField (f);
- return f;
+ return arguments.ContainsEmitWithAwait ();
}
public override Expression CreateExpressionTree (ResolveContext ec)
return null;
}
- protected override Expression DoResolve (ResolveContext ec)
+ protected override Expression DoResolve (ResolveContext rc)
{
- if (DoResolveCore (ec))
- binder_expr = binder.CreateCallSiteBinder (ec, arguments);
+ if (DoResolveCore (rc))
+ binder_expr = binder.CreateCallSiteBinder (rc, arguments);
return this;
}
protected bool DoResolveCore (ResolveContext rc)
{
- int errors = rc.Report.Errors;
+ if (rc.CurrentTypeParameters != null && rc.CurrentTypeParameters[0].IsMethodTypeParameter)
+ context_mvars = rc.CurrentTypeParameters;
- if (TypeManager.binder_type == null) {
- var t = TypeManager.CoreLookupType (rc.Compiler,
- "Microsoft.CSharp.RuntimeBinder", "Binder", MemberKind.Class, true);
- if (t != null)
- TypeManager.binder_type = new TypeExpression (t, Location.Null);
- }
-
- if (TypeManager.call_site_type == null)
- TypeManager.call_site_type = TypeManager.CoreLookupType (rc.Compiler,
- "System.Runtime.CompilerServices", "CallSite", MemberKind.Class, true);
-
- if (TypeManager.generic_call_site_type == null)
- TypeManager.generic_call_site_type = TypeManager.CoreLookupType (rc.Compiler,
- "System.Runtime.CompilerServices", "CallSite", 1, MemberKind.Class, true);
+ int errors = rc.Report.Errors;
+ var pt = rc.Module.PredefinedTypes;
- if (TypeManager.binder_flags == null) {
- TypeManager.binder_flags = TypeManager.CoreLookupType (rc.Compiler,
- "Microsoft.CSharp.RuntimeBinder", "CSharpBinderFlags", MemberKind.Enum, true);
- }
+ binder_type = pt.Binder.Resolve ();
+ pt.CallSite.Resolve ();
+ pt.CallSiteGeneric.Resolve ();
eclass = ExprClass.Value;
if (type == null)
- type = InternalType.Dynamic;
+ type = rc.BuiltinTypes.Dynamic;
if (rc.Report.Errors == errors)
return true;
protected void EmitCall (EmitContext ec, Expression binder, Arguments arguments, bool isStatement)
{
+ //
+ // This method generates all internal infrastructure for a dynamic call. The
+ // reason why it's quite complicated is the mixture of dynamic and anonymous
+ // methods. Dynamic itself requires a temporary class (ContainerX) and anonymous
+ // methods can generate temporary storey as well (AnonStorey). Handling MVAR
+ // type parameters rewrite is non-trivial in such case as there are various
+ // combinations possible therefore the mutator is not straightforward. Secondly
+ // we need to keep both MVAR(possibly VAR for anon storey) and type VAR to emit
+ // correct Site field type and its access from EmitContext.
+ //
+
int dyn_args_count = arguments == null ? 0 : arguments.Count;
- TypeExpr site_type = CreateSiteType (RootContext.ToplevelTypes.Compiler, arguments, dyn_args_count, isStatement);
- FieldExpr site_field_expr = new FieldExpr (CreateSiteField (site_type), loc);
+ int default_args = isStatement ? 1 : 2;
+ var module = ec.Module;
+
+ bool has_ref_out_argument = false;
+ var targs = new TypeExpression[dyn_args_count + default_args];
+ targs[0] = new TypeExpression (module.PredefinedTypes.CallSite.TypeSpec, loc);
+
+ TypeExpression[] targs_for_instance = null;
+ TypeParameterMutator mutator;
+
+ var site_container = ec.CreateDynamicSite ();
+
+ if (context_mvars != null) {
+ TypeParameters tparam;
+ TypeContainer sc = site_container;
+ do {
+ tparam = sc.CurrentTypeParameters;
+ sc = sc.Parent;
+ } while (tparam == null);
+
+ mutator = new TypeParameterMutator (context_mvars, tparam);
+ if (!ec.IsAnonymousStoreyMutateRequired) {
+ targs_for_instance = new TypeExpression[targs.Length];
+ targs_for_instance[0] = targs[0];
+ }
+ } else {
+ mutator = null;
+ }
+
+ for (int i = 0; i < dyn_args_count; ++i) {
+ Argument a = arguments[i];
+ if (a.ArgType == Argument.AType.Out || a.ArgType == Argument.AType.Ref)
+ has_ref_out_argument = true;
+
+ var t = a.Type;
+
+ // Convert any internal type like dynamic or null to object
+ if (t.Kind == MemberKind.InternalCompilerType)
+ t = ec.BuiltinTypes.Object;
+
+ if (targs_for_instance != null)
+ targs_for_instance[i + 1] = new TypeExpression (t, loc);
+
+ if (mutator != null)
+ t = t.Mutate (mutator);
+
+ targs[i + 1] = new TypeExpression (t, loc);
+ }
+
+ TypeExpr del_type = null;
+ TypeExpr del_type_instance_access = null;
+ if (!has_ref_out_argument) {
+ string d_name = isStatement ? "Action" : "Func";
+
+ TypeExpr te = null;
+ Namespace type_ns = module.GlobalRootNamespace.GetNamespace ("System", true);
+ if (type_ns != null) {
+ te = type_ns.LookupType (module, d_name, dyn_args_count + default_args, LookupMode.Normal, loc);
+ }
+
+ if (te != null) {
+ if (!isStatement) {
+ var t = type;
+ if (t.Kind == MemberKind.InternalCompilerType)
+ t = ec.BuiltinTypes.Object;
+
+ if (targs_for_instance != null)
+ targs_for_instance[targs_for_instance.Length - 1] = new TypeExpression (t, loc);
+
+ if (mutator != null)
+ t = t.Mutate (mutator);
+
+ targs[targs.Length - 1] = new TypeExpression (t, loc);
+ }
+
+ del_type = new GenericTypeExpr (te.Type, new TypeArguments (targs), loc);
+ if (targs_for_instance != null)
+ del_type_instance_access = new GenericTypeExpr (te.Type, new TypeArguments (targs_for_instance), loc);
+ else
+ del_type_instance_access = del_type;
+ }
+ }
+
+ //
+ // Create custom delegate when no appropriate predefined delegate has been found
+ //
+ Delegate d;
+ if (del_type == null) {
+ TypeSpec rt = isStatement ? ec.BuiltinTypes.Void : type;
+ Parameter[] p = new Parameter[dyn_args_count + 1];
+ p[0] = new Parameter (targs[0], "p0", Parameter.Modifier.NONE, null, loc);
+
+ var site = ec.CreateDynamicSite ();
+ int index = site.Containers == null ? 0 : site.Containers.Count;
+
+ if (mutator != null)
+ rt = mutator.Mutate (rt);
+
+ for (int i = 1; i < dyn_args_count + 1; ++i) {
+ p[i] = new Parameter (targs[i], "p" + i.ToString ("X"), arguments[i - 1].Modifier, null, loc);
+ }
+
+ d = new Delegate (site, new TypeExpression (rt, loc),
+ Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED,
+ new MemberName ("Container" + index.ToString ("X")),
+ new ParametersCompiled (p), null);
+
+ d.CreateContainer ();
+ d.DefineContainer ();
+ d.Define ();
+ d.Emit ();
+
+ site.AddTypeContainer (d);
+ del_type = new TypeExpression (d.CurrentType, loc);
+ if (targs_for_instance != null) {
+ del_type_instance_access = null;
+ } else {
+ del_type_instance_access = del_type;
+ }
+ } else {
+ d = null;
+ }
+
+ var site_type_decl = new GenericTypeExpr (module.PredefinedTypes.CallSiteGeneric.TypeSpec, new TypeArguments (del_type), loc);
+ var field = site_container.CreateCallSiteField (site_type_decl, loc);
+ if (field == null)
+ return;
+
+ if (del_type_instance_access == null) {
+ var dt = d.CurrentType.DeclaringType.MakeGenericType (module, context_mvars.Types);
+ del_type_instance_access = new TypeExpression (MemberCache.GetMember (dt, d.CurrentType), loc);
+ }
+
+ var instanceAccessExprType = new GenericTypeExpr (module.PredefinedTypes.CallSiteGeneric.TypeSpec,
+ new TypeArguments (del_type_instance_access), loc);
+
+ if (instanceAccessExprType.ResolveAsType (ec.MemberContext) == null)
+ return;
+
+ bool inflate_using_mvar = context_mvars != null && ec.IsAnonymousStoreyMutateRequired;
+
+ TypeSpec gt;
+ if (inflate_using_mvar || context_mvars == null) {
+ gt = site_container.CurrentType;
+ } else {
+ gt = site_container.CurrentType.MakeGenericType (module, context_mvars.Types);
+ }
+
+ // When site container already exists the inflated version has to be
+ // updated manually to contain newly created field
+ if (gt is InflatedTypeSpec && site_container.Fields.Count > 1) {
+ var tparams = gt.MemberDefinition.TypeParametersCount > 0 ? gt.MemberDefinition.TypeParameters : TypeParameterSpec.EmptyTypes;
+ var inflator = new TypeParameterInflator (module, gt, tparams, gt.TypeArguments);
+ gt.MemberCache.AddMember (field.InflateMember (inflator));
+ }
+
+ FieldExpr site_field_expr = new FieldExpr (MemberCache.GetMember (gt, field), loc);
+
+ BlockContext bc = new BlockContext (ec.MemberContext, null, ec.BuiltinTypes.Void);
SymbolWriter.OpenCompilerGeneratedBlock (ec);
Arguments args = new Arguments (1);
args.Add (new Argument (binder));
- StatementExpression s = new StatementExpression (new SimpleAssign (site_field_expr, new Invocation (new MemberAccess (site_type, "Create"), args)));
+ StatementExpression s = new StatementExpression (new SimpleAssign (site_field_expr, new Invocation (new MemberAccess (instanceAccessExprType, "Create"), args)));
- BlockContext bc = new BlockContext (ec.MemberContext, null, TypeManager.void_type);
if (s.Resolve (bc)) {
Statement init = new If (new Binary (Binary.Operator.Equality, site_field_expr, new NullLiteral (loc), loc), s, loc);
init.Emit (ec);
args = new Arguments (1 + dyn_args_count);
args.Add (new Argument (site_field_expr));
if (arguments != null) {
+ int arg_pos = 1;
foreach (Argument a in arguments) {
if (a is NamedArgument) {
// Name is not valid in this context
args.Add (new Argument (a.Expr, a.ArgType));
- continue;
+ } else {
+ args.Add (a);
}
- args.Add (a);
+ if (inflate_using_mvar && a.Type != targs[arg_pos].Type)
+ a.Expr.Type = targs[arg_pos].Type;
+
+ ++arg_pos;
}
}
new QualifiedAliasMember (QualifiedAliasMember.GlobalAlias, "Microsoft", loc), "CSharp", loc), "RuntimeBinder", loc);
}
- public static MemberAccess GetBinder (string name, Location loc)
+ protected MemberAccess GetBinder (string name, Location loc)
{
- return new MemberAccess (TypeManager.binder_type, name, loc);
+ return new MemberAccess (new TypeExpression (binder_type, loc), name, loc);
}
+ }
- TypeExpr CreateSiteType (CompilerContext ctx, Arguments arguments, int dyn_args_count, bool is_statement)
+ //
+ // Dynamic member access compound assignment for events
+ //
+ class DynamicEventCompoundAssign : ExpressionStatement
+ {
+ class IsEvent : DynamicExpressionStatement, IDynamicBinder
{
- int default_args = is_statement ? 1 : 2;
-
- bool has_ref_out_argument = false;
- FullNamedExpression[] targs = new FullNamedExpression[dyn_args_count + default_args];
- targs [0] = new TypeExpression (TypeManager.call_site_type, loc);
- for (int i = 0; i < dyn_args_count; ++i) {
- TypeSpec arg_type;
- Argument a = arguments [i];
- if (a.Type == TypeManager.null_type)
- arg_type = TypeManager.object_type;
- else
- arg_type = a.Type;
-
- if (a.ArgType == Argument.AType.Out || a.ArgType == Argument.AType.Ref)
- has_ref_out_argument = true;
-
- targs [i + 1] = new TypeExpression (arg_type, loc);
- }
+ string name;
- TypeExpr del_type = null;
- if (!has_ref_out_argument) {
- string d_name = is_statement ? "Action" : "Func";
-
- TypeSpec t = TypeManager.CoreLookupType (ctx, "System", d_name, dyn_args_count + default_args, MemberKind.Delegate, false);
- if (t != null) {
- if (!is_statement)
- targs [targs.Length - 1] = new TypeExpression (type, loc);
-
- del_type = new GenericTypeExpr (t, new TypeArguments (targs), loc);
- }
+ public IsEvent (string name, Arguments args, Location loc)
+ : base (null, args, loc)
+ {
+ this.name = name;
+ binder = this;
}
- //
- // Create custom delegate when no appropriate predefined one is found
- //
- if (del_type == null) {
- TypeSpec rt = is_statement ? TypeManager.void_type : type;
- Parameter[] p = new Parameter [dyn_args_count + 1];
- p[0] = new Parameter (targs [0], "p0", Parameter.Modifier.NONE, null, loc);
-
- for (int i = 1; i < dyn_args_count + 1; ++i)
- p[i] = new Parameter (targs[i], "p" + i.ToString ("X"), arguments[i - 1].Modifier, null, loc);
+ public Expression CreateCallSiteBinder (ResolveContext ec, Arguments args)
+ {
+ type = ec.BuiltinTypes.Bool;
- TypeContainer parent = CreateSiteContainer ();
- Delegate d = new Delegate (parent.NamespaceEntry, parent, new TypeExpression (rt, loc),
- Modifiers.INTERNAL | Modifiers.COMPILER_GENERATED,
- new MemberName ("Container" + container_counter++.ToString ("X")),
- new ParametersCompiled (ctx, p), null);
+ Arguments binder_args = new Arguments (3);
- d.CreateType ();
- d.DefineType ();
- d.Define ();
- d.Emit ();
+ binder_args.Add (new Argument (new BinderFlags (0, this)));
+ binder_args.Add (new Argument (new StringLiteral (ec.BuiltinTypes, name, loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
- parent.AddDelegate (d);
- del_type = new TypeExpression (d.Definition, loc);
+ return new Invocation (GetBinder ("IsEvent", loc), binder_args);
}
-
- TypeExpr site_type = new GenericTypeExpr (TypeManager.generic_call_site_type, new TypeArguments (del_type), loc);
- return site_type;
}
- public static void Reset ()
- {
- global_site_container = null;
- field_counter = container_counter = 0;
- }
- }
-
- //
- // Dynamic member access compound assignment for events
- //
- class DynamicEventCompoundAssign : DynamicExpressionStatement, IDynamicBinder
- {
- string name;
- Statement condition;
+ Expression condition;
+ ExpressionStatement invoke, assign;
public DynamicEventCompoundAssign (string name, Arguments args, ExpressionStatement assignment, ExpressionStatement invoke, Location loc)
- : base (null, args, loc)
{
- this.name = name;
- base.binder = this;
-
- // Used by += or -= only
- type = TypeManager.bool_type;
-
- condition = new If (
- new Binary (Binary.Operator.Equality, this, new BoolLiteral (true, loc), loc),
- new StatementExpression (invoke), new StatementExpression (assignment),
- loc);
+ condition = new IsEvent (name, args, loc);
+ this.invoke = invoke;
+ this.assign = assignment;
+ this.loc = loc;
}
- public Expression CreateCallSiteBinder (ResolveContext ec, Arguments args)
+ public override Expression CreateExpressionTree (ResolveContext ec)
{
- Arguments binder_args = new Arguments (3);
+ return condition.CreateExpressionTree (ec);
+ }
- binder_args.Add (new Argument (new BinderFlags (0, this)));
- binder_args.Add (new Argument (new StringLiteral (name, loc)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ type = rc.BuiltinTypes.Dynamic;
+ eclass = ExprClass.Value;
+ condition = condition.Resolve (rc);
+ return this;
+ }
- return new Invocation (GetBinder ("IsEvent", loc), binder_args);
+ public override void Emit (EmitContext ec)
+ {
+ var rc = new ResolveContext (ec.MemberContext);
+ var expr = new Conditional (new BooleanExpression (condition), invoke, assign, loc).Resolve (rc);
+ expr.Emit (ec);
}
public override void EmitStatement (EmitContext ec)
{
- condition.Emit (ec);
+ var stmt = new If (condition, new StatementExpression (invoke), new StatementExpression (assign), loc);
+ stmt.Emit (ec);
}
}
flags |= ec.HasSet (ResolveContext.Options.CheckedScope) ? CSharpBinderFlags.CheckedContext : 0;
binder_args.Add (new Argument (new BinderFlags (flags, this)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (type, loc), loc)));
+ binder_args.Add (new Argument (new TypeOf (type, loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
return new Invocation (GetBinder ("Convert", loc), binder_args);
}
}
Arguments binder_args = new Arguments (3);
binder_args.Add (new Argument (new BinderFlags (0, this)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation (args.CreateDynamicBinderArguments (ec), loc)));
return new Invocation (GetBinder ("InvokeConstructor", loc), binder_args);
class DynamicIndexBinder : DynamicMemberAssignable
{
+ bool can_be_mutator;
+
public DynamicIndexBinder (Arguments args, Location loc)
: base (args, loc)
{
}
+ public DynamicIndexBinder (CSharpBinderFlags flags, Arguments args, Location loc)
+ : this (args, loc)
+ {
+ base.flags = flags;
+ }
+
+ protected override Expression DoResolve (ResolveContext ec)
+ {
+ can_be_mutator = true;
+ return base.DoResolve (ec);
+ }
+
protected override Expression CreateCallSiteBinder (ResolveContext ec, Arguments args, bool isSet)
{
Arguments binder_args = new Arguments (3);
- binder_args.Add (new Argument (new BinderFlags (0, this)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new BinderFlags (flags, this)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation (args.CreateDynamicBinderArguments (ec), loc)));
+ isSet |= (flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0;
return new Invocation (GetBinder (isSet ? "SetIndex" : "GetIndex", loc), binder_args);
}
+
+ protected override Arguments CreateSetterArguments (ResolveContext rc, Expression rhs)
+ {
+ //
+ // Indexer has arguments which complicates things as the setter and getter
+ // are called in two steps when unary mutator is used. We have to make a
+ // copy of all variable arguments to not duplicate any side effect.
+ //
+ // ++d[++arg, Foo ()]
+ //
+
+ if (!can_be_mutator)
+ return base.CreateSetterArguments (rc, rhs);
+
+ var setter_args = new Arguments (Arguments.Count + 1);
+ for (int i = 0; i < Arguments.Count; ++i) {
+ var expr = Arguments[i].Expr;
+
+ if (expr is Constant || expr is VariableReference || expr is This) {
+ setter_args.Add (Arguments [i]);
+ continue;
+ }
+
+ LocalVariable temp = LocalVariable.CreateCompilerGenerated (expr.Type, rc.CurrentBlock, loc);
+ expr = new SimpleAssign (temp.CreateReferenceExpression (rc, expr.Location), expr).Resolve (rc);
+ Arguments[i].Expr = temp.CreateReferenceExpression (rc, expr.Location).Resolve (rc);
+ setter_args.Add (Arguments [i].Clone (expr));
+ }
+
+ setter_args.Add (new Argument (rhs));
+ return setter_args;
+ }
}
class DynamicInvocation : DynamicExpressionStatement, IDynamicBinder
{
- ATypeNameExpression member;
+ readonly ATypeNameExpression member;
public DynamicInvocation (ATypeNameExpression member, Arguments args, Location loc)
: base (null, args, loc)
binder_args.Add (new Argument (new BinderFlags (call_flags, this)));
if (is_member_access)
- binder_args.Add (new Argument (new StringLiteral (member.Name, member.Location)));
+ binder_args.Add (new Argument (new StringLiteral (ec.BuiltinTypes, member.Name, member.Location)));
if (member != null && member.HasTypeArguments) {
TypeArguments ta = member.TypeArguments;
if (ta.Resolve (ec)) {
var targs = new ArrayInitializer (ta.Count, loc);
foreach (TypeSpec t in ta.Arguments)
- targs.Add (new TypeOf (new TypeExpression (t, loc), loc));
+ targs.Add (new TypeOf (t, loc));
binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation (targs, loc)));
}
binder_args.Add (new Argument (new NullLiteral (loc)));
}
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
Expression real_args;
if (args == null) {
this.name = name;
}
+ public DynamicMemberBinder (string name, CSharpBinderFlags flags, Arguments args, Location loc)
+ : this (name, args, loc)
+ {
+ base.flags = flags;
+ }
+
protected override Expression CreateCallSiteBinder (ResolveContext ec, Arguments args, bool isSet)
{
Arguments binder_args = new Arguments (4);
- binder_args.Add (new Argument (new BinderFlags (0, this)));
- binder_args.Add (new Argument (new StringLiteral (name, loc)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new BinderFlags (flags, this)));
+ binder_args.Add (new Argument (new StringLiteral (ec.BuiltinTypes, name, loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation (args.CreateDynamicBinderArguments (ec), loc)));
+ isSet |= (flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0;
return new Invocation (GetBinder (isSet ? "SetMember" : "GetMember", loc), binder_args);
}
}
protected abstract Expression CreateCallSiteBinder (ResolveContext ec, Arguments args, bool isSet);
+ protected virtual Arguments CreateSetterArguments (ResolveContext rc, Expression rhs)
+ {
+ var setter_args = new Arguments (Arguments.Count + 1);
+ setter_args.AddRange (Arguments);
+ setter_args.Add (new Argument (rhs));
+ return setter_args;
+ }
+
public override Expression DoResolveLValue (ResolveContext rc, Expression right_side)
{
- if (right_side == EmptyExpression.OutAccess.Instance) {
+ if (right_side == EmptyExpression.OutAccess) {
right_side.DoResolveLValue (rc, this);
return null;
}
if (DoResolveCore (rc)) {
- setter_args = new Arguments (Arguments.Count + 1);
- setter_args.AddRange (Arguments);
- setter_args.Add (new Argument (right_side));
+ setter_args = CreateSetterArguments (rc, right_side);
setter = CreateCallSiteBinder (rc, setter_args, true);
}
throw new NotImplementedException ();
}
- public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool prepare_for_load)
+ public void EmitAssign (EmitContext ec, Expression source, bool leave_copy, bool isCompound)
{
EmitCall (ec, setter, setter_args, !leave_copy);
}
class DynamicUnaryConversion : DynamicExpressionStatement, IDynamicBinder
{
- string name;
+ readonly string name;
public DynamicUnaryConversion (string name, Arguments args, Location loc)
: base (null, args, loc)
{
this.name = name;
base.binder = this;
- if (name == "IsTrue" || name == "IsFalse")
- type = TypeManager.bool_type;
+ }
+
+ public static DynamicUnaryConversion CreateIsTrue (ResolveContext rc, Arguments args, Location loc)
+ {
+ return new DynamicUnaryConversion ("IsTrue", args, loc) { type = rc.BuiltinTypes.Bool };
+ }
+
+ public static DynamicUnaryConversion CreateIsFalse (ResolveContext rc, Arguments args, Location loc)
+ {
+ return new DynamicUnaryConversion ("IsFalse", args, loc) { type = rc.BuiltinTypes.Bool };
}
public Expression CreateCallSiteBinder (ResolveContext ec, Arguments args)
binder_args.Add (new Argument (new BinderFlags (flags, this)));
binder_args.Add (new Argument (new MemberAccess (new MemberAccess (sle, "ExpressionType", loc), name, loc)));
- binder_args.Add (new Argument (new TypeOf (new TypeExpression (ec.CurrentType, loc), loc)));
+ binder_args.Add (new Argument (new TypeOf (ec.CurrentType, loc)));
binder_args.Add (new Argument (new ImplicitlyTypedArrayCreation (args.CreateDynamicBinderArguments (ec), loc)));
return new Invocation (GetBinder ("UnaryOperation", loc), binder_args);
}
}
+
+ sealed class DynamicSiteClass : HoistedStoreyClass
+ {
+ public DynamicSiteClass (TypeDefinition parent, MemberBase host, TypeParameters tparams)
+ : base (parent, MakeMemberName (host, "DynamicSite", parent.DynamicSitesCounter, tparams, Location.Null), tparams, Modifiers.STATIC)
+ {
+ parent.DynamicSitesCounter++;
+ }
+
+ public FieldSpec CreateCallSiteField (FullNamedExpression type, Location loc)
+ {
+ int index = fields == null ? 0 : fields.Count;
+ Field f = new HoistedField (this, type, Modifiers.PUBLIC | Modifiers.STATIC, "Site" + index.ToString ("X"), null, loc);
+ f.Define ();
+
+ AddField (f);
+ return f.Spec;
+ }
+ }
}
projects / mono.git / blobdiff