Exemplo n.º 1
0
        internal PlaceholderLocalBinder(
            CSharpSyntaxNode syntax,
            ImmutableArray <Alias> aliases,
            MethodSymbol containingMethod,
            EETypeNameDecoder typeNameDecoder,
            Binder next) :
            base(next)
        {
            _syntax           = syntax;
            _containingMethod = containingMethod;

            var compilation    = next.Compilation;
            var sourceAssembly = compilation.SourceAssembly;

            var aliasesBuilder = ArrayBuilder <LocalSymbol> .GetInstance(aliases.Length);

            var lowercaseBuilder = ImmutableDictionary.CreateBuilder <string, LocalSymbol>();

            foreach (Alias alias in aliases)
            {
                var local = PlaceholderLocalSymbol.Create(
                    typeNameDecoder,
                    containingMethod,
                    sourceAssembly,
                    alias);
                aliasesBuilder.Add(local);

                if (alias.Kind == DkmClrAliasKind.ReturnValue)
                {
                    lowercaseBuilder.Add(local.Name.ToLower(), local);
                }
            }
            _lowercaseReturnValueAliases = lowercaseBuilder.ToImmutableDictionary();
            _aliases = aliasesBuilder.ToImmutableAndFree();
        }
Exemplo n.º 2
0
        private static void CreateLocal(
            CSharpCompilation compilation,
            HashSet <LocalSymbol> declaredLocals,
            ArrayBuilder <BoundStatement> statements,
            LocalSymbol local,
            SyntaxNode syntax,
            DiagnosticBag diagnostics)
        {
            // CreateVariable(Type type, string name)
            var method = PlaceholderLocalSymbol.GetIntrinsicMethod(compilation, ExpressionCompilerConstants.CreateVariableMethodName);

            if ((object)method == null)
            {
                diagnostics.Add(ErrorCode.ERR_DeclarationExpressionNotPermitted, local.Locations[0]);
                return;
            }

            declaredLocals.Add(local);

            var  typeType        = compilation.GetWellKnownType(WellKnownType.System_Type);
            var  stringType      = compilation.GetSpecialType(SpecialType.System_String);
            var  guidConstructor = (MethodSymbol)compilation.GetWellKnownTypeMember(WellKnownMember.System_Guid__ctor);
            var  type            = new BoundTypeOfOperator(syntax, new BoundTypeExpression(syntax, aliasOpt: null, type: local.Type), null, typeType);
            var  name            = new BoundLiteral(syntax, ConstantValue.Create(local.Name), stringType);
            bool hasCustomTypeInfoPayload;
            var  customTypeInfoPayload   = GetCustomTypeInfoPayload(local, syntax, compilation, out hasCustomTypeInfoPayload);
            var  customTypeInfoPayloadId = GetCustomTypeInfoPayloadId(syntax, guidConstructor, hasCustomTypeInfoPayload);
            var  call = BoundCall.Synthesized(
                syntax,
                receiverOpt: null,
                method: method,
                arguments: ImmutableArray.Create(type, name, customTypeInfoPayloadId, customTypeInfoPayload));

            statements.Add(new BoundExpressionStatement(syntax, call));
        }
Exemplo n.º 3
0
        private static void RewriteLocalDeclaration(
            CSharpCompilation compilation,
            EENamedTypeSymbol container,
            HashSet <LocalSymbol> declaredLocals,
            ArrayBuilder <BoundStatement> statements,
            BoundLocalDeclaration node)
        {
            Debug.Assert(node.ArgumentsOpt.IsDefault);

            var local  = node.LocalSymbol;
            var syntax = node.Syntax;

            declaredLocals.Add(local);

            var typeType        = compilation.GetWellKnownType(WellKnownType.System_Type);
            var stringType      = compilation.GetSpecialType(SpecialType.System_String);
            var guidConstructor = (MethodSymbol)compilation.GetWellKnownTypeMember(WellKnownMember.System_Guid__ctor);

            // CreateVariable(Type type, string name)
            var method = PlaceholderLocalSymbol.GetIntrinsicMethod(compilation, ExpressionCompilerConstants.CreateVariableMethodName);
            var type   = new BoundTypeOfOperator(syntax, new BoundTypeExpression(syntax, aliasOpt: null, type: local.Type), null, typeType);
            var name   = new BoundLiteral(syntax, ConstantValue.Create(local.Name), stringType);

            bool hasCustomTypeInfoPayload;
            var  customTypeInfoPayload   = GetCustomTypeInfoPayload(local, syntax, compilation, out hasCustomTypeInfoPayload);
            var  customTypeInfoPayloadId = GetCustomTypeInfoPayloadId(syntax, guidConstructor, hasCustomTypeInfoPayload);
            var  call = BoundCall.Synthesized(
                syntax,
                receiverOpt: null,
                method: method,
                arguments: ImmutableArray.Create(type, name, customTypeInfoPayloadId, customTypeInfoPayload));

            statements.Add(new BoundExpressionStatement(syntax, call));

            var initializer = node.InitializerOpt;

            if (initializer != null)
            {
                // Generate assignment to local. The assignment will
                // be rewritten in PlaceholderLocalRewriter.
                var assignment = new BoundAssignmentOperator(
                    syntax,
                    new BoundLocal(syntax, local, constantValueOpt: null, type: local.Type),
                    initializer,
                    RefKind.None,
                    local.Type);
                statements.Add(new BoundExpressionStatement(syntax, assignment));
            }
        }