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C# CallArguments.GetBlock方法代码示例

本文整理汇总了C#中IronRuby.Runtime.Calls.CallArguments.GetBlock方法的典型用法代码示例。如果您正苦于以下问题:C# CallArguments.GetBlock方法的具体用法?C# CallArguments.GetBlock怎么用?C# CallArguments.GetBlock使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IronRuby.Runtime.Calls.CallArguments的用法示例。


在下文中一共展示了CallArguments.GetBlock方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetSignatureToMatch

        private static Type[]/*!*/ GetSignatureToMatch(CallArguments/*!*/ args, bool includeSelf, bool selfIsInstance) {
            var result = new List<Type>(args.ExplicitArgumentCount);

            // self (instance):
            if (includeSelf && selfIsInstance) {
                result.Add(CompilerHelpers.GetType(args.Target));
            }

            // block:
            if (args.Signature.HasBlock) {
                // use None to let binder know that [NotNull]BlockParam is not applicable
                result.Add(args.GetBlock() != null ? typeof(BlockParam) : typeof(Null));
            } else {
                result.Add(typeof(MissingBlockParam));
            }

            // self (non-instance):
            if (includeSelf && !selfIsInstance) {
                result.Add(CompilerHelpers.GetType(args.Target));
            }

            // simple args:
            for (int i = 0; i < args.SimpleArgumentCount; i++) {
                result.Add(CompilerHelpers.GetType(args.GetSimpleArgument(i)));
            }

            // splat arg:
            if (args.Signature.HasSplattedArgument) {
                object splattedArg = args.GetSplattedArgument();
                
                var list = splattedArg as List<object>;
                if (list != null) {
                    foreach (object obj in list) {
                        result.Add(CompilerHelpers.GetType(obj));
                    }
                } else {
                    result.Add(CompilerHelpers.GetType(splattedArg));
                }
            }

            // rhs arg:
            if (args.Signature.HasRhsArgument) {
                result.Add(CompilerHelpers.GetType(args.GetRhsArgument()));
            }

            return result.ToArray();
        }
开发者ID:mscottford,项目名称:ironruby,代码行数:47,代码来源:RubyMethodGroupInfo.cs

示例2: BuildCallNoFlow

        /// <summary>
        /// Resolves an library method overload and builds call expression.
        /// The resulting expression on meta-builder doesn't handle block control flow yet.
        /// </summary>
        internal static void BuildCallNoFlow(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args, string/*!*/ name, 
            IList<MethodBase>/*!*/ overloads, bool includeSelf, bool selfIsInstance) {

            var bindingTarget = ResolveOverload(name, overloads, args, includeSelf, selfIsInstance);
            if (bindingTarget.Success) {
                bool calleeHasBlockParam = HasBlockParameter(bindingTarget.Method);

                // Allocates a variable holding BlockParam. At runtime the BlockParam is created with a new RFC instance that
                // identifies the library method frame as a proc-converter target of a method unwinder triggered by break from a block.
                //
                // NOTE: We check for null block here -> test fore that fact is added in MakeActualArgs
                if (metaBuilder.BfcVariable == null && args.Signature.HasBlock && args.GetBlock() != null && calleeHasBlockParam) {
                    metaBuilder.BfcVariable = metaBuilder.GetTemporary(typeof(BlockParam), "#bfc");
                }

                var actualArgs = MakeActualArgs(metaBuilder, args, includeSelf, selfIsInstance, calleeHasBlockParam, true);
                var parameterBinder = new RubyParameterBinder(args.RubyContext.Binder, args.MetaContext.Expression, args.Signature.HasScope);
                var targetExpression = bindingTarget.MakeExpression(parameterBinder, actualArgs);

                metaBuilder.Result = targetExpression;
            } else {
                metaBuilder.SetError(
                    Methods.MakeInvalidArgumentTypesError.OpCall(Ast.Constant(name))
                );
            }
        }
开发者ID:mscottford,项目名称:ironruby,代码行数:30,代码来源:RubyMethodGroupInfo.cs

示例3: MakeActualArgs

        public static Expression[]/*!*/ MakeActualArgs(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args,
            bool includeSelf, bool selfIsInstance, bool calleeHasBlockParam, bool injectMissingBlockParam) {

            var actualArgs = new List<Expression>(args.ExplicitArgumentCount);

            // self (instance):
            if (includeSelf && selfIsInstance) {
                // test already added by method resolver
                Debug.Assert(args.TargetExpression != null);
                AddArgument(actualArgs, args.Target, args.TargetExpression);
            }

            Proc block = null;
            Expression blockExpression = null;

            // block test - we need to test for a block regardless of whether it is actually passed to the method or not
            // since the information that the block is not null is used for overload resolution.
            if (args.Signature.HasBlock) {
                block = args.GetBlock();
                blockExpression = args.GetBlockExpression();

                if (block == null) {
                    metaBuilder.AddRestriction(Ast.Equal(blockExpression, Ast.Constant(null)));
                } else {
                    // don't need to test the exact type of the Proc since the code is subclass agnostic:
                    metaBuilder.AddRestriction(Ast.NotEqual(blockExpression, Ast.Constant(null)));
                }
            }

            // block:
            if (calleeHasBlockParam) {
                if (args.Signature.HasBlock) {
                    if (block == null) {
                        // the user explicitly passed nil as a block arg:
                        actualArgs.Add(Ast.Constant(null));
                    } else {
                        // pass BlockParam:
                        Debug.Assert(metaBuilder.BfcVariable != null);
                        actualArgs.Add(metaBuilder.BfcVariable);
                    }
                } else {
                    // no block passed into a method with a BlockParam:
                    actualArgs.Add(Ast.Constant(null));
                }
            } else if (injectMissingBlockParam) {
                // no block passed into a method w/o a BlockParam (we still need to fill the missing block argument):
                actualArgs.Add(Ast.Constant(null));
            }

            // self (non-instance):
            if (includeSelf && !selfIsInstance) {
                // test already added by method resolver
                AddArgument(actualArgs, args.Target, args.TargetExpression);
            }

            // simple arguments:
            for (int i = 0; i < args.SimpleArgumentCount; i++) {
                var value = args.GetSimpleArgument(i);
                var expr = args.GetSimpleArgumentExpression(i);

                metaBuilder.AddObjectTypeRestriction(value, expr);
                AddArgument(actualArgs, value, expr);
            }

            // splat argument:
            int listLength;
            ParameterExpression listVariable;
            if (args.Signature.HasSplattedArgument) {
                object splattedArg = args.GetSplattedArgument();
                Expression splattedArgExpression = args.GetSplattedArgumentExpression();

                if (metaBuilder.AddSplattedArgumentTest(splattedArg, splattedArgExpression, out listLength, out listVariable)) {

                    // AddTestForListArg only returns 'true' if the argument is a List<object>
                    var list = (List<object>)splattedArg;

                    // get arguments, add tests
                    for (int j = 0; j < listLength; j++) {
                        var value = list[j];
                        var expr = Ast.Call(listVariable, typeof(List<object>).GetMethod("get_Item"), Ast.Constant(j));

                        metaBuilder.AddObjectTypeCondition(value, expr);
                        AddArgument(actualArgs, value, expr);
                    }

                } else {
                    // argument is not an array => add the argument itself:
                    AddArgument(actualArgs, splattedArg, splattedArgExpression);
                }
            }

            // rhs argument:
            if (args.Signature.HasRhsArgument) {
                var value = args.GetRhsArgument();
                var expr = args.GetRhsArgumentExpression();

                metaBuilder.AddObjectTypeRestriction(value, expr);
                AddArgument(actualArgs, value, expr);
            }

//.........这里部分代码省略.........
开发者ID:mscottford,项目名称:ironruby,代码行数:101,代码来源:RubyMethodGroupInfo.cs

示例4: MakeActualArgs

        // TODO: OBSOLETE
        private static Expression[]/*!*/ MakeActualArgs(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args,
            SelfCallConvention callConvention, bool calleeHasBlockParam, bool injectMissingBlockParam) {

            var actualArgs = new List<Expression>();

            // self (instance):
            if (callConvention == SelfCallConvention.SelfIsInstance) {
                // test already added by method resolver
                Debug.Assert(args.TargetExpression != null);
                AddArgument(actualArgs, args.Target, args.TargetExpression);
            }

            // block:
            if (calleeHasBlockParam) {
                if (args.Signature.HasBlock) {
                    if (args.GetBlock() == null) {
                        // the user explicitly passed nil as a block arg:
                        actualArgs.Add(AstUtils.Constant(null));
                    } else {
                        // pass BlockParam:
                        Debug.Assert(metaBuilder.BfcVariable != null);
                        actualArgs.Add(metaBuilder.BfcVariable);
                    }
                } else {
                    // no block passed into a method with a BlockParam:
                    actualArgs.Add(AstUtils.Constant(null));
                }
            } else if (injectMissingBlockParam) {
                // no block passed into a method w/o a BlockParam (we still need to fill the missing block argument):
                actualArgs.Add(AstUtils.Constant(null));
            }

            // self (non-instance):
            if (callConvention == SelfCallConvention.SelfIsParameter) {
                // test already added by method resolver
                AddArgument(actualArgs, args.Target, args.TargetExpression);
            }

            // simple arguments:
            for (int i = 0; i < args.SimpleArgumentCount; i++) {
                var value = args.GetSimpleArgument(i);
                var expr = args.GetSimpleArgumentExpression(i);

                // TODO: overload-resolution restrictions
                metaBuilder.AddObjectTypeRestriction(value, expr);
                AddArgument(actualArgs, value, expr);
            }

            // splat argument:
            int listLength;
            ParameterExpression listVariable;
            if (args.Signature.HasSplattedArgument) {
                object splattedArg = args.GetSplattedArgument();
                Expression splattedArgExpression = args.GetSplattedArgumentExpression();

                if (metaBuilder.AddSplattedArgumentTest(splattedArg, splattedArgExpression, out listLength, out listVariable)) {

                    // AddTestForListArg only returns 'true' if the argument is a List<object>
                    var list = (List<object>)splattedArg;

                    // get arguments, add tests
                    for (int j = 0; j < listLength; j++) {
                        var value = list[j];
                        var expr = Ast.Call(listVariable, typeof(List<object>).GetMethod("get_Item"), AstUtils.Constant(j));

                        // TODO: overload-resolution restrictions
                        metaBuilder.AddObjectTypeCondition(value, expr);
                        AddArgument(actualArgs, value, expr);
                    }

                } else {
                    // argument is not an array => add the argument itself:
                    AddArgument(actualArgs, splattedArg, splattedArgExpression);
                }
            }

            // rhs argument:
            if (args.Signature.HasRhsArgument) {
                var value = args.GetRhsArgument();
                var expr = args.GetRhsArgumentExpression();

                // TODO: overload-resolution restrictions
                metaBuilder.AddObjectTypeRestriction(value, expr);
                AddArgument(actualArgs, value, expr);
            }

            return actualArgs.ToArray();
        }
开发者ID:tnachen,项目名称:ironruby,代码行数:89,代码来源:RubyMethodGroupBase.cs


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