| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Nick Teryaev - fix for bug (https://bugs.eclipse.org/bugs/show_bug.cgi?id=40752) |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.internal.compiler.ast; |
| |
| import org.eclipse.wst.jsdt.core.JavaScriptCore; |
| import org.eclipse.wst.jsdt.core.ast.IASTNode; |
| import org.eclipse.wst.jsdt.core.ast.IExpression; |
| import org.eclipse.wst.jsdt.core.ast.IFunctionCall; |
| import org.eclipse.wst.jsdt.core.compiler.CharOperation; |
| import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor; |
| import org.eclipse.wst.jsdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.wst.jsdt.internal.compiler.flow.FlowContext; |
| import org.eclipse.wst.jsdt.internal.compiler.flow.FlowInfo; |
| import org.eclipse.wst.jsdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.wst.jsdt.internal.compiler.impl.Constant; |
| import org.eclipse.wst.jsdt.internal.compiler.impl.ReferenceContext; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.Binding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ExtraCompilerModifiers; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.IndirectMethodBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.InvocationSite; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ProblemMethodBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ProblemReasons; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.RawTypeBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ReferenceBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.Scope; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.problem.ProblemSeverities; |
| |
| public class MessageSend extends Expression implements InvocationSite, IFunctionCall { |
| |
| public Expression receiver; |
| public char[] selector; |
| public Expression[] arguments; |
| public MethodBinding binding; // exact binding resulting from lookup |
| // protected FunctionBinding codegenBinding; // actual binding used for code generation (if no synthetic accessor) |
| // FunctionBinding syntheticAccessor; // synthetic accessor for inner-emulation |
| public TypeBinding expectedType; // for generic method invocation (return type inference) |
| |
| public long nameSourcePosition ; //(start<<32)+end |
| |
| public TypeBinding actualReceiverType; |
| // public TypeBinding receiverGenericCast; // extra reference type cast to perform on generic receiver |
| // public TypeBinding valueCast; // extra reference type cast to perform on method returned value |
| public TypeReference[] typeArguments; |
| public TypeBinding[] genericTypeArguments; |
| |
| |
| public char[] getSelector() { |
| return this.selector; |
| } |
| |
| public IExpression getReciever() { |
| return this.receiver; |
| } |
| |
| public IExpression[] getArguments() { |
| return this.arguments; |
| } |
| |
| |
| public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) { |
| |
| boolean nonStatic = binding==null || !binding.isStatic(); |
| if (receiver!=null) |
| { |
| flowInfo = receiver.analyseCode(currentScope, flowContext, flowInfo, nonStatic).unconditionalInits(); |
| if (nonStatic) { |
| receiver.checkNPE(currentScope, flowContext, flowInfo); |
| } |
| } |
| |
| if (arguments != null) { |
| int length = arguments.length; |
| for (int i = 0; i < length; i++) { |
| flowInfo = arguments[i].analyseCode(currentScope, flowContext, flowInfo).unconditionalInits(); |
| } |
| } |
| ReferenceBinding[] thrownExceptions; |
| if (JavaScriptCore.IS_ECMASCRIPT4) |
| { |
| if ((thrownExceptions = binding.thrownExceptions) != Binding.NO_EXCEPTIONS) { |
| // must verify that exceptions potentially thrown by this expression are caught in the method |
| flowContext.checkExceptionHandlers(thrownExceptions, this, flowInfo.copy(), currentScope); |
| // TODO (maxime) the copy above is needed because of a side effect into |
| // checkExceptionHandlers; consider protecting there instead of here; |
| // NullReferenceTest#test0510 |
| } |
| } |
| // manageSyntheticAccessIfNecessary(currentScope, flowInfo); |
| return flowInfo; |
| } |
| /** |
| * @see org.eclipse.wst.jsdt.internal.compiler.ast.Expression#computeConversion(org.eclipse.wst.jsdt.internal.compiler.lookup.Scope, org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding, org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding) |
| */ |
| public void computeConversion(Scope scope, TypeBinding runtimeTimeType, TypeBinding compileTimeType) { |
| // if (runtimeTimeType == null || compileTimeType == null) |
| // return; |
| // // set the generic cast after the fact, once the type expectation is fully known (no need for strict cast) |
| // if (this.binding != null && this.binding.isValidBinding()) { |
| // FunctionBinding originalBinding = this.binding.original(); |
| // TypeBinding originalType = originalBinding.returnType; |
| // // extra cast needed if method return type is type variable |
| // if (originalBinding != this.binding |
| // && originalType != this.binding.returnType |
| // && runtimeTimeType.id != T_JavaLangObject |
| // && (originalType.tagBits & TagBits.HasTypeVariable) != 0) { |
| // TypeBinding targetType = (!compileTimeType.isBaseType() && runtimeTimeType.isBaseType()) |
| // ? compileTimeType // unboxing: checkcast before conversion |
| // : runtimeTimeType; |
| // this.valueCast = originalType.genericCast(targetType); |
| // } else if (this.actualReceiverType!=null && this.actualReceiverType.isArrayType() |
| // && runtimeTimeType.id != T_JavaLangObject |
| // && this.binding.parameters == Binding.NO_PARAMETERS |
| // && scope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_5 |
| // && CharOperation.equals(this.binding.selector, CLONE)) { |
| // // from 1.5 compliant mode on, array#clone() resolves to array type, but codegen to #clone()Object - thus require extra inserted cast |
| // this.valueCast = runtimeTimeType; |
| // } |
| // } |
| // super.computeConversion(scope, runtimeTimeType, compileTimeType); |
| } |
| |
| /** |
| * @see org.eclipse.wst.jsdt.internal.compiler.lookup.InvocationSite#genericTypeArguments() |
| */ |
| public TypeBinding[] genericTypeArguments() { |
| return this.genericTypeArguments; |
| } |
| |
| public boolean isSuperAccess() { |
| return receiver!=null && receiver.isSuper(); |
| } |
| public boolean isTypeAccess() { |
| return receiver != null && receiver.isTypeReference(); |
| } |
| public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo){ |
| |
| if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) != 0) return; |
| |
| // if method from parameterized type got found, use the original method at codegen time |
| // this.codegenBinding = this.binding.original(); |
| if (this.binding.isPrivate()){ |
| |
| // // depth is set for both implicit and explicit access (see FunctionBinding#canBeSeenBy) |
| // if (currentScope.enclosingSourceType() != this.codegenBinding.declaringClass){ |
| // |
| // syntheticAccessor = ((SourceTypeBinding)this.codegenBinding.declaringClass).addSyntheticMethod(this.codegenBinding, isSuperAccess()); |
| // currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this); |
| // return; |
| // } |
| |
| } else if (receiver instanceof QualifiedSuperReference){ // qualified super |
| |
| // qualified super need emulation always |
| // SourceTypeBinding destinationType = (SourceTypeBinding)(((QualifiedSuperReference)receiver).currentCompatibleType); |
| // syntheticAccessor = destinationType.addSyntheticMethod(this.codegenBinding, isSuperAccess()); |
| // currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this); |
| return; |
| |
| } else if (binding.isProtected()){ |
| |
| // SourceTypeBinding enclosingSourceType; |
| // if (((bits & DepthMASK) != 0) |
| // && this.codegenBinding.declaringClass.getPackage() |
| // != (enclosingSourceType = currentScope.enclosingSourceType()).getPackage()){ |
| // |
| // SourceTypeBinding currentCompatibleType = (SourceTypeBinding)enclosingSourceType.enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT); |
| // syntheticAccessor = currentCompatibleType.addSyntheticMethod(this.codegenBinding, isSuperAccess()); |
| // currentScope.problemReporter().needToEmulateMethodAccess(this.codegenBinding, this); |
| // return; |
| // } |
| } |
| |
| // if the binding declaring class is not visible, need special action |
| // for runtime compatibility on 1.2 VMs : change the declaring class of the binding |
| // NOTE: from target 1.2 on, method's declaring class is touched if any different from receiver type |
| // and not from Object or implicit static method call. |
| // if (this.binding.declaringClass != this.actualReceiverType |
| // && this.receiverGenericCast == null |
| // && !this.actualReceiverType.isArrayType()) { |
| // CompilerOptions options = currentScope.compilerOptions(); |
| // if ((options.targetJDK >= ClassFileConstants.JDK1_2 |
| // && (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(receiver.isImplicitThis() && this.codegenBinding.isStatic())) |
| // && this.binding.declaringClass.id != T_JavaLangObject) // no change for Object methods |
| // || !this.binding.declaringClass.canBeSeenBy(currentScope)) { |
| // |
| // this.codegenBinding = currentScope.enclosingSourceType().getUpdatedMethodBinding( |
| // this.codegenBinding, (ReferenceBinding) this.actualReceiverType.erasure()); |
| // } |
| // // Post 1.4.0 target, array clone() invocations are qualified with array type |
| // // This is handled in array type #clone method binding resolution (see Scope and UpdatedMethodBinding) |
| // } |
| } |
| public int nullStatus(FlowInfo flowInfo) { |
| return FlowInfo.UNKNOWN; |
| } |
| |
| /** |
| * @see org.eclipse.wst.jsdt.internal.compiler.ast.Expression#postConversionType(Scope) |
| */ |
| public TypeBinding postConversionType(Scope scope) { |
| TypeBinding convertedType = this.resolvedType; |
| // if (this.valueCast != null) |
| // convertedType = this.valueCast; |
| int runtimeType = (this.implicitConversion & IMPLICIT_CONVERSION_MASK) >> 4; |
| switch (runtimeType) { |
| case T_boolean : |
| convertedType = TypeBinding.BOOLEAN; |
| break; |
| case T_byte : |
| convertedType = TypeBinding.BYTE; |
| break; |
| case T_short : |
| convertedType = TypeBinding.SHORT; |
| break; |
| case T_char : |
| convertedType = TypeBinding.CHAR; |
| break; |
| case T_int : |
| convertedType = TypeBinding.INT; |
| break; |
| case T_float : |
| convertedType = TypeBinding.FLOAT; |
| break; |
| case T_long : |
| convertedType = TypeBinding.LONG; |
| break; |
| case T_double : |
| convertedType = TypeBinding.DOUBLE; |
| break; |
| default : |
| } |
| if ((this.implicitConversion & BOXING) != 0) { |
| convertedType = scope.environment().computeBoxingType(convertedType); |
| } |
| return convertedType; |
| } |
| |
| public StringBuffer printExpression(int indent, StringBuffer output){ |
| |
| if (receiver!=null && !receiver.isImplicitThis()) |
| { |
| receiver.printExpression(0, output); |
| if (selector!=null) |
| output.append('.'); |
| } |
| if (selector!=null) |
| output.append(selector); |
| output.append('(') ; |
| if (arguments != null) { |
| for (int i = 0; i < arguments.length ; i ++) { |
| if (i > 0) output.append(", "); //$NON-NLS-1$ |
| arguments[i].printExpression(0, output); |
| } |
| } |
| return output.append(')'); |
| } |
| |
| public TypeBinding resolveType(BlockScope scope) { |
| // Answer the signature return type |
| // Base type promotion |
| |
| constant = Constant.NotAConstant; |
| // boolean receiverCast = false, argsContainCast = false; |
| // if (this.receiver instanceof CastExpression) { |
| // this.receiver.bits |= DisableUnnecessaryCastCheck; // will check later on |
| // receiverCast = true; |
| // } |
| this.actualReceiverType = (receiver!=null) ?receiver.resolveType(scope):null; |
| boolean receiverIsType = (receiver instanceof NameReference || receiver instanceof FieldReference) |
| && ( receiver.bits & Binding.TYPE) != 0; |
| // if (receiverCast && this.actualReceiverType != null) { |
| // // due to change of declaring class with receiver type, only identity cast should be notified |
| // if (((CastExpression)this.receiver).expression.resolvedType == this.actualReceiverType) { |
| // scope.problemReporter().unnecessaryCast((CastExpression)this.receiver); |
| // } |
| // } |
| // // resolve type arguments (for generic constructor call) |
| // if (this.typeArguments != null) { |
| // int length = this.typeArguments.length; |
| // boolean argHasError = false; // typeChecks all arguments |
| // this.genericTypeArguments = new TypeBinding[length]; |
| // for (int i = 0; i < length; i++) { |
| // TypeReference typeReference = this.typeArguments[i]; |
| // if ((this.genericTypeArguments[i] = typeReference.resolveType(scope, true /* check bounds*/)) == null) { |
| // argHasError = true; |
| // } |
| // if (argHasError && typeReference instanceof Wildcard) { |
| // scope.problemReporter().illegalUsageOfWildcard(typeReference); |
| // } |
| // } |
| // if (argHasError) { |
| // return null; |
| // } |
| // } |
| // will check for null after args are resolved |
| TypeBinding[] argumentTypes = Binding.NO_PARAMETERS; |
| if (arguments != null) { |
| boolean argHasError = false; // typeChecks all arguments |
| int length = arguments.length; |
| argumentTypes = new TypeBinding[length]; |
| for (int i = 0; i < length; i++){ |
| Expression argument = arguments[i]; |
| // if (argument instanceof CastExpression) { |
| // argument.bits |= DisableUnnecessaryCastCheck; // will check later on |
| // argsContainCast = true; |
| // } |
| if ((argumentTypes[i] = argument.resolveType(scope)) == null){ |
| argHasError = true; |
| } |
| } |
| if (argHasError) { |
| if (actualReceiverType instanceof ReferenceBinding) { |
| // record a best guess, for clients who need hint about possible method match |
| TypeBinding[] pseudoArgs = new TypeBinding[length]; |
| for (int i = length; --i >= 0;) |
| pseudoArgs[i] = argumentTypes[i] == null ? TypeBinding.NULL : argumentTypes[i]; // replace args with errors with receiver |
| if (selector==null) |
| this.binding=new IndirectMethodBinding(0,this.actualReceiverType,argumentTypes,scope.compilationUnitScope().referenceContext.compilationUnitBinding); |
| else |
| this.binding = |
| receiver.isImplicitThis() |
| ? scope.getImplicitMethod(selector, pseudoArgs, this) |
| : scope.findMethod((ReferenceBinding) actualReceiverType, selector, pseudoArgs, this); |
| if (binding != null && !binding.isValidBinding()) { |
| MethodBinding closestMatch = ((ProblemMethodBinding)binding).closestMatch; |
| // record the closest match, for clients who may still need hint about possible method match |
| if (closestMatch != null) { |
| if (closestMatch.original().typeVariables != Binding.NO_TYPE_VARIABLES) { // generic method |
| // shouldn't return generic method outside its context, rather convert it to raw method (175409) |
| closestMatch = scope.environment().createParameterizedGenericMethod(closestMatch.original(), (RawTypeBinding)null); |
| } |
| this.binding = closestMatch; |
| MethodBinding closestMatchOriginal = closestMatch.original(); |
| if ((closestMatchOriginal.isPrivate() || closestMatchOriginal.declaringClass.isLocalType()) && !scope.isDefinedInMethod(closestMatchOriginal)) { |
| // ignore cases where method is used from within inside itself (e.g. direct recursions) |
| closestMatchOriginal.original().modifiers |= ExtraCompilerModifiers.AccLocallyUsed; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |
| // if (this.actualReceiverType == null) { |
| // return null; |
| // } |
| // base type cannot receive any message |
| // if (this.actualReceiverType!=null && this.actualReceiverType.isBaseType()) { |
| // scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes); |
| // return null; |
| // } |
| if (selector==null) |
| this.binding=new IndirectMethodBinding(0,this.actualReceiverType,argumentTypes,scope.compilationUnitScope().referenceContext.compilationUnitBinding); |
| else |
| { |
| if (receiver==null || receiver.isImplicitThis()) |
| this.binding =scope.getImplicitMethod(selector, argumentTypes, this); |
| else |
| { |
| this.binding =scope.getMethod(this.actualReceiverType, selector, argumentTypes, this); |
| // if receiver type was function, try using binding from receiver |
| if (!binding.isValidBinding() && (this.actualReceiverType!=null && this.actualReceiverType.isFunctionType())) |
| { |
| Binding alternateBinding = receiver.alternateBinding(); |
| if (alternateBinding instanceof TypeBinding) |
| { |
| this.actualReceiverType=(TypeBinding)alternateBinding; |
| this.binding=scope.getMethod(this.actualReceiverType, selector, argumentTypes, this); |
| receiverIsType=true; |
| } |
| } |
| |
| } |
| if (argumentTypes.length!=this.binding.parameters.length) |
| scope.problemReporter().wrongNumberOfArguments(this, this.binding); |
| } |
| |
| if (!binding.isValidBinding() && !(this.actualReceiverType==TypeBinding.ANY || this.actualReceiverType==TypeBinding.UNKNOWN)) { |
| if (binding.declaringClass == null) { |
| if (this.actualReceiverType==null || this.actualReceiverType instanceof ReferenceBinding) { |
| binding.declaringClass = (ReferenceBinding) this.actualReceiverType; |
| } else { |
| scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes); |
| return null; |
| } |
| } |
| scope.problemReporter().invalidMethod(this, binding); |
| MethodBinding closestMatch = ((ProblemMethodBinding)binding).closestMatch; |
| switch (this.binding.problemId()) { |
| case ProblemReasons.Ambiguous : |
| break; // no resilience on ambiguous |
| case ProblemReasons.NotVisible : |
| case ProblemReasons.NonStaticReferenceInConstructorInvocation : |
| case ProblemReasons.NonStaticReferenceInStaticContext : |
| case ProblemReasons.ReceiverTypeNotVisible : |
| case ProblemReasons.ParameterBoundMismatch : |
| // only steal returnType in cases listed above |
| if (closestMatch != null) this.resolvedType = closestMatch.returnType; |
| default : |
| } |
| // record the closest match, for clients who may still need hint about possible method match |
| if (closestMatch != null) { |
| this.binding = closestMatch; |
| MethodBinding closestMatchOriginal = closestMatch.original(); |
| if ((closestMatchOriginal.isPrivate() || closestMatchOriginal.declaringClass.isLocalType()) && !scope.isDefinedInMethod(closestMatchOriginal)) { |
| // ignore cases where method is used from within inside itself (e.g. direct recursions) |
| closestMatchOriginal.original().modifiers |= ExtraCompilerModifiers.AccLocallyUsed; |
| } |
| } |
| return this.resolvedType; |
| } |
| final CompilerOptions compilerOptions = scope.compilerOptions(); |
| if (!binding.isStatic()) { |
| // the "receiver" must not be a type, in other words, a NameReference that the TC has bound to a Type |
| if (receiverIsType && binding.isValidBinding()) { |
| scope.problemReporter().mustUseAStaticMethod(this, binding); |
| if (this.actualReceiverType.isRawType() |
| && (this.receiver.bits & IgnoreRawTypeCheck) == 0 |
| && compilerOptions.getSeverity(CompilerOptions.RawTypeReference) != ProblemSeverities.Ignore) { |
| scope.problemReporter().rawTypeReference(this.receiver, this.actualReceiverType); |
| } |
| } else { |
| if (receiver!=null) |
| receiver.computeConversion(scope, this.actualReceiverType, this.actualReceiverType); |
| // compute generic cast if necessary |
| // TypeBinding receiverErasure = this.actualReceiverType.erasure(); |
| // if (receiverErasure instanceof ReferenceBinding) { |
| // if (receiverErasure.findSuperTypeWithSameErasure(this.binding.declaringClass) == null) { |
| // this.receiverGenericCast = this.binding.declaringClass; // handle indirect inheritance thru variable secondary bound |
| // } |
| // } |
| } |
| } else { |
| if (receiver!=null) { |
| // static message invoked through receiver? legal but unoptimal (optional warning). |
| if (!(receiver.isImplicitThis() || receiver.isSuper() || receiverIsType)) { |
| scope.problemReporter().nonStaticAccessToStaticMethod(this, |
| binding); |
| } |
| if (!receiver.isImplicitThis() |
| && binding.declaringClass != actualReceiverType) { |
| // scope.problemReporter().indirectAccessToStaticMethod(this, binding); |
| } |
| } |
| } |
| // checkInvocationArguments(scope, this.receiver, actualReceiverType, binding, this.arguments, argumentTypes, argsContainCast, this); |
| |
| //-------message send that are known to fail at compile time----------- |
| if (binding.isAbstract()) { |
| if (receiver.isSuper()) { |
| scope.problemReporter().cannotDireclyInvokeAbstractMethod(this, binding); |
| } |
| // abstract private methods cannot occur nor abstract static............ |
| } |
| if (isMethodUseDeprecated(binding, scope, true)) |
| scope.problemReporter().deprecatedMethod(binding, this); |
| |
| // from 1.5 compliance on, array#clone() returns the array type (but binding still shows Object) |
| if (actualReceiverType!=null && actualReceiverType.isArrayType() |
| && this.binding.parameters == Binding.NO_PARAMETERS |
| && compilerOptions.complianceLevel >= ClassFileConstants.JDK1_5 |
| && CharOperation.equals(this.binding.selector, CLONE)) { |
| this.resolvedType = actualReceiverType; |
| } else { |
| TypeBinding returnType = this.binding.returnType; |
| if (returnType != null) |
| returnType = returnType.capture(scope, this.sourceEnd); |
| else |
| returnType=TypeBinding.UNKNOWN; |
| this.resolvedType = returnType; |
| } |
| if (receiver!=null && receiver.isSuper() && compilerOptions.getSeverity(CompilerOptions.OverridingMethodWithoutSuperInvocation) != ProblemSeverities.Ignore) { |
| final ReferenceContext referenceContext = scope.methodScope().referenceContext; |
| if (referenceContext instanceof AbstractMethodDeclaration) { |
| final AbstractMethodDeclaration abstractMethodDeclaration = (AbstractMethodDeclaration) referenceContext; |
| MethodBinding enclosingMethodBinding = abstractMethodDeclaration.binding; |
| if (enclosingMethodBinding.isOverriding() |
| && CharOperation.equals(this.binding.selector, enclosingMethodBinding.selector) |
| && this.binding.areParametersEqual(enclosingMethodBinding)) { |
| abstractMethodDeclaration.bits |= ASTNode.OverridingMethodWithSupercall; |
| } |
| } |
| } |
| return this.resolvedType; |
| } |
| |
| public void setActualReceiverType(ReferenceBinding receiverType) { |
| if (receiverType == null) return; // error scenario only |
| this.actualReceiverType = receiverType; |
| } |
| public void setDepth(int depth) { |
| bits &= ~DepthMASK; // flush previous depth if any |
| if (depth > 0) { |
| bits |= (depth & 0xFF) << DepthSHIFT; // encoded on 8 bits |
| } |
| } |
| |
| /** |
| * @see org.eclipse.wst.jsdt.internal.compiler.ast.Expression#setExpectedType(org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding) |
| */ |
| public void setExpectedType(TypeBinding expectedType) { |
| this.expectedType = expectedType; |
| } |
| public void setFieldIndex(int depth) { |
| // ignore for here |
| } |
| |
| public void traverse(ASTVisitor visitor, BlockScope blockScope) { |
| if (visitor.visit(this, blockScope)) { |
| if (receiver!=null) |
| receiver.traverse(visitor, blockScope); |
| if (this.typeArguments != null) { |
| for (int i = 0, typeArgumentsLength = this.typeArguments.length; i < typeArgumentsLength; i++) { |
| this.typeArguments[i].traverse(visitor, blockScope); |
| } |
| } |
| if (arguments != null) { |
| int argumentsLength = arguments.length; |
| for (int i = 0; i < argumentsLength; i++) |
| arguments[i].traverse(visitor, blockScope); |
| } |
| } |
| visitor.endVisit(this, blockScope); |
| } |
| public int getASTType() { |
| return IASTNode.FUNCTION_CALL; |
| |
| } |
| |
| public IExpression getReceiver() { |
| return this.receiver; |
| } |
| } |
