| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| import org.eclipse.jdt.internal.compiler.problem.AbortCompilation; |
| |
| public class QualifiedTypeReference extends TypeReference { |
| |
| public char[][] tokens; |
| public long[] sourcePositions; |
| |
| public QualifiedTypeReference(char[][] sources , long[] poss) { |
| |
| this.tokens = sources ; |
| this.sourcePositions = poss ; |
| this.sourceStart = (int) (this.sourcePositions[0]>>>32) ; |
| this.sourceEnd = (int)(this.sourcePositions[this.sourcePositions.length-1] & 0x00000000FFFFFFFFL ) ; |
| } |
| |
| public TypeReference copyDims(int dim){ |
| //return a type reference copy of me with some dimensions |
| //warning : the new type ref has a null binding |
| return new ArrayQualifiedTypeReference(this.tokens, dim, this.sourcePositions); |
| } |
| |
| protected TypeBinding findNextTypeBinding(int tokenIndex, Scope scope, PackageBinding packageBinding) { |
| LookupEnvironment env = scope.environment(); |
| try { |
| env.missingClassFileLocation = this; |
| if (this.resolvedType == null) { |
| this.resolvedType = scope.getType(this.tokens[tokenIndex], packageBinding); |
| } else { |
| this.resolvedType = scope.getMemberType(this.tokens[tokenIndex], (ReferenceBinding) this.resolvedType); |
| if (!this.resolvedType.isValidBinding()) { |
| this.resolvedType = new ProblemReferenceBinding( |
| CharOperation.subarray(this.tokens, 0, tokenIndex + 1), |
| (ReferenceBinding)this.resolvedType.closestMatch(), |
| this.resolvedType.problemId()); |
| } |
| } |
| return this.resolvedType; |
| } catch (AbortCompilation e) { |
| e.updateContext(this, scope.referenceCompilationUnit().compilationResult); |
| throw e; |
| } finally { |
| env.missingClassFileLocation = null; |
| } |
| } |
| |
| public char[] getLastToken() { |
| return this.tokens[this.tokens.length-1]; |
| } |
| protected TypeBinding getTypeBinding(Scope scope) { |
| |
| if (this.resolvedType != null) { |
| return this.resolvedType; |
| } |
| Binding binding = scope.getPackage(this.tokens); |
| if (binding != null && !binding.isValidBinding()) { |
| if (binding instanceof ProblemReferenceBinding && binding.problemId() == ProblemReasons.NotFound) { |
| ProblemReferenceBinding problemBinding = (ProblemReferenceBinding) binding; |
| Binding pkg = scope.getTypeOrPackage(this.tokens); |
| return new ProblemReferenceBinding(problemBinding.compoundName, pkg instanceof PackageBinding ? null : scope.environment().createMissingType(null, this.tokens), ProblemReasons.NotFound); |
| } |
| return (ReferenceBinding) binding; // not found |
| } |
| PackageBinding packageBinding = binding == null ? null : (PackageBinding) binding; |
| boolean isClassScope = scope.kind == Scope.CLASS_SCOPE; |
| ReferenceBinding qualifiedType = null; |
| for (int i = packageBinding == null ? 0 : packageBinding.compoundName.length, max = this.tokens.length, last = max-1; i < max; i++) { |
| findNextTypeBinding(i, scope, packageBinding); |
| if (!this.resolvedType.isValidBinding()) |
| return this.resolvedType; |
| if (i == 0 && this.resolvedType.isTypeVariable() && ((TypeVariableBinding) this.resolvedType).firstBound == null) { // cannot select from a type variable |
| scope.problemReporter().illegalAccessFromTypeVariable((TypeVariableBinding) this.resolvedType, this); |
| return null; |
| } |
| if (i <= last && isTypeUseDeprecated(this.resolvedType, scope)) { |
| reportDeprecatedType(this.resolvedType, scope, i); |
| } |
| if (isClassScope) |
| if (((ClassScope) scope).detectHierarchyCycle(this.resolvedType, this)) // must connect hierarchy to find inherited member types |
| return null; |
| ReferenceBinding currentType = (ReferenceBinding) this.resolvedType; |
| if (qualifiedType != null) { |
| ReferenceBinding enclosingType = currentType.enclosingType(); |
| if (enclosingType != null && enclosingType.erasure() != qualifiedType.erasure()) { |
| qualifiedType = enclosingType; // inherited member type, leave it associated with its enclosing rather than subtype |
| } |
| boolean rawQualified; |
| if (currentType.isGenericType()) { |
| qualifiedType = scope.environment().createRawType(currentType, qualifiedType); |
| } else if ((rawQualified = qualifiedType.isRawType()) && !currentType.isStatic()) { |
| qualifiedType = scope.environment().createRawType((ReferenceBinding)currentType.erasure(), qualifiedType); |
| } else if ((rawQualified || qualifiedType.isParameterizedType()) && qualifiedType.erasure() == currentType.enclosingType().erasure()) { |
| qualifiedType = scope.environment().createParameterizedType((ReferenceBinding)currentType.erasure(), null, qualifiedType); |
| } else { |
| qualifiedType = currentType; |
| } |
| } else { |
| qualifiedType = currentType.isGenericType() ? (ReferenceBinding)scope.environment().convertToRawType(currentType, false /*do not force conversion of enclosing types*/) : currentType; |
| } |
| } |
| this.resolvedType = qualifiedType; |
| return this.resolvedType; |
| } |
| |
| public char[][] getTypeName(){ |
| |
| return this.tokens; |
| } |
| |
| public StringBuffer printExpression(int indent, StringBuffer output) { |
| |
| for (int i = 0; i < this.tokens.length; i++) { |
| if (i > 0) output.append('.'); |
| output.append(this.tokens[i]); |
| } |
| return output; |
| } |
| |
| public void traverse(ASTVisitor visitor, BlockScope scope) { |
| |
| visitor.visit(this, scope); |
| visitor.endVisit(this, scope); |
| } |
| |
| public void traverse(ASTVisitor visitor, ClassScope scope) { |
| |
| visitor.visit(this, scope); |
| visitor.endVisit(this, scope); |
| } |
| } |