1 /******************************************************************************* 2 * Copyright (c) 2000, 2004 IBM Corporation and others. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Common Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/cpl-v10.html 7 * 8 * Contributors: 9 * IBM Corporation - initial API and implementation 10 *******************************************************************************/ 11 package org.eclipse.jdt.internal.compiler.ast; 12 13 import org.eclipse.jdt.internal.compiler.ASTVisitor; 14 import org.eclipse.jdt.internal.compiler.lookup.*; 15 16 public class JavadocFieldReference extends FieldReference { 17 18 public int tagSourceStart, tagSourceEnd; 19 public int tagValue; 20 public MethodBinding methodBinding; 21 public boolean superAccess = false; 22 JavadocFieldReference(char[] source, long pos)23 public JavadocFieldReference(char[] source, long pos) { 24 super(source, pos); 25 this.bits |= InsideJavadoc; 26 } 27 28 /* 29 public Binding getBinding() { 30 if (this.methodBinding != null) { 31 return this.methodBinding; 32 } 33 return this.binding; 34 } 35 */ 36 37 /* 38 * Resolves type on a Block or Class scope. 39 */ internalResolveType(Scope scope)40 private TypeBinding internalResolveType(Scope scope) { 41 42 this.constant = NotAConstant; 43 if (this.receiver == null) { 44 this.receiverType = scope.enclosingSourceType(); 45 } else if (scope.kind == Scope.CLASS_SCOPE) { 46 this.receiverType = this.receiver.resolveType((ClassScope) scope); 47 } else { 48 this.receiverType = this.receiver.resolveType((BlockScope)scope); 49 } 50 if (this.receiverType == null) { 51 return null; 52 } 53 54 Binding fieldBinding = (this.receiver != null && this.receiver.isThis()) 55 ? scope.classScope().getBinding(this.token, this.bits & RestrictiveFlagMASK, this, true /*resolve*/) 56 : scope.getField(this.receiverType, this.token, this); 57 if (!fieldBinding.isValidBinding()) { 58 // implicit lookup may discover issues due to static/constructor contexts. javadoc must be resilient 59 switch (fieldBinding.problemId()) { 60 case ProblemReasons.NonStaticReferenceInConstructorInvocation: 61 case ProblemReasons.NonStaticReferenceInStaticContext: 62 case ProblemReasons.InheritedNameHidesEnclosingName : 63 FieldBinding closestMatch = ((ProblemFieldBinding)fieldBinding).closestMatch; 64 if (closestMatch != null) { 65 fieldBinding = closestMatch; // ignore problem if can reach target field through it 66 } 67 } 68 } 69 if (!fieldBinding.isValidBinding() || !(fieldBinding instanceof FieldBinding)) { 70 if (this.receiverType instanceof ReferenceBinding) { 71 ReferenceBinding refBinding = (ReferenceBinding) this.receiverType; 72 MethodBinding[] methodBindings = refBinding.getMethods(this.token); 73 if (methodBindings == null) { 74 scope.problemReporter().javadocInvalidField(this.sourceStart, this.sourceEnd, fieldBinding, this.receiverType, scope.getDeclarationModifiers()); 75 } else { 76 switch (methodBindings.length) { 77 case 0: 78 scope.problemReporter().javadocInvalidField(this.sourceStart, this.sourceEnd, fieldBinding, this.receiverType, scope.getDeclarationModifiers()); 79 break; 80 case 1: 81 this.methodBinding = methodBindings[0]; 82 break; 83 default: 84 this.methodBinding = methodBindings[0]; 85 scope.problemReporter().javadocAmbiguousMethodReference(this.sourceStart, this.sourceEnd, fieldBinding, scope.getDeclarationModifiers()); 86 break; 87 } 88 } 89 } 90 return null; 91 } 92 this.binding = (FieldBinding) fieldBinding; 93 94 if (isFieldUseDeprecated(this.binding, scope, (this.bits & IsStrictlyAssignedMASK) != 0)) { 95 scope.problemReporter().javadocDeprecatedField(this.binding, this, scope.getDeclarationModifiers()); 96 } 97 return this.resolvedType = this.binding.type; 98 } 99 100 /* (non-Javadoc) 101 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#isSuperAccess() 102 */ isSuperAccess()103 public boolean isSuperAccess() { 104 return this.superAccess; 105 } 106 printExpression(int indent, StringBuffer output)107 public StringBuffer printExpression(int indent, StringBuffer output) { 108 109 if (this.receiver != null) { 110 this.receiver.printExpression(0, output); 111 } 112 output.append('#').append(this.token); 113 return output; 114 } 115 116 /* (non-Javadoc) 117 * @see org.eclipse.jdt.internal.compiler.ast.Expression#resolveType(org.eclipse.jdt.internal.compiler.lookup.BlockScope) 118 */ resolveType(BlockScope scope)119 public TypeBinding resolveType(BlockScope scope) { 120 return internalResolveType(scope); 121 } 122 123 /* (non-Javadoc) 124 * @see org.eclipse.jdt.internal.compiler.ast.Expression#resolveType(org.eclipse.jdt.internal.compiler.lookup.BlockScope) 125 */ resolveType(ClassScope scope)126 public TypeBinding resolveType(ClassScope scope) { 127 return internalResolveType(scope); 128 } 129 130 /* (non-Javadoc) 131 * Redefine to capture javadoc specific signatures 132 * @see org.eclipse.jdt.internal.compiler.ast.ASTNode#traverse(org.eclipse.jdt.internal.compiler.ASTVisitor, org.eclipse.jdt.internal.compiler.lookup.BlockScope) 133 */ traverse(ASTVisitor visitor, BlockScope scope)134 public void traverse(ASTVisitor visitor, BlockScope scope) { 135 136 if (visitor.visit(this, scope)) { 137 if (this.receiver != null) { 138 this.receiver.traverse(visitor, scope); 139 } 140 } 141 visitor.endVisit(this, scope); 142 } 143 } 144