| /******************************************************************************* |
| * Copyright (c) 2009, 2012 Wind River Systems, Inc. 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: |
| * Markus Schorn - initial API and implementation |
| * Sergey Prigogin (Google) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier; |
| import org.eclipse.cdt.core.dom.ast.IASTDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTDeclarator; |
| import org.eclipse.cdt.core.dom.ast.IASTElaboratedTypeSpecifier; |
| import org.eclipse.cdt.core.dom.ast.IASTFunctionDeclarator; |
| import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition; |
| import org.eclipse.cdt.core.dom.ast.IASTName; |
| import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTStatement; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTElaboratedTypeSpecifier; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName; |
| import org.eclipse.cdt.internal.core.dom.parser.ASTInternal; |
| import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguousDeclarator; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPASTInternalScope; |
| |
| /** |
| * Utility class to populate scope with friend declarations hidden in nested classes |
| */ |
| class NamespaceTypeCollector extends ASTVisitor { |
| private final ICPPASTInternalScope fScope; |
| |
| public NamespaceTypeCollector(ICPPASTInternalScope scope) { |
| fScope= scope; |
| shouldVisitDeclarations= true; |
| shouldVisitStatements= true; |
| shouldVisitParameterDeclarations= true; |
| } |
| |
| @Override |
| public int visit(IASTDeclaration declaration) { |
| if (declaration instanceof IASTSimpleDeclaration) { |
| IASTSimpleDeclaration simpleDeclaration = (IASTSimpleDeclaration) declaration; |
| ICPPASTDeclSpecifier declSpec = (ICPPASTDeclSpecifier) simpleDeclaration.getDeclSpecifier(); |
| if (declSpec.isFriend()) { |
| IASTDeclarator[] declarators= simpleDeclaration.getDeclarators(); |
| for (IASTDeclarator declarator : declarators) { |
| IASTDeclarator innermost= null; |
| while (declarator != null) { |
| if (declarator instanceof IASTAmbiguousDeclarator) { |
| innermost= null; |
| break; |
| } |
| innermost= declarator; |
| declarator= declarator.getNestedDeclarator(); |
| } |
| if (innermost != null) { |
| IASTName declaratorName = innermost.getName(); |
| ASTInternal.addName(fScope, declaratorName); |
| } |
| } |
| } else if (declSpec instanceof ICPPASTElaboratedTypeSpecifier) { |
| // 3.3.1.5 Point of declaration |
| if (simpleDeclaration.getDeclarators().length != 0) { |
| addNonSimpleElabSpec((ICPPASTElaboratedTypeSpecifier) declSpec); |
| } |
| } |
| // Visit nested class definitions and parameter declarations |
| return PROCESS_CONTINUE; |
| } else if (declaration instanceof IASTFunctionDefinition) { |
| IASTFunctionDefinition funcDefinition = (IASTFunctionDefinition) declaration; |
| ICPPASTDeclSpecifier declSpec = (ICPPASTDeclSpecifier) funcDefinition.getDeclSpecifier(); |
| if (declSpec.isFriend()) { |
| IASTFunctionDeclarator declarator = funcDefinition.getDeclarator(); |
| ASTInternal.addName(fScope, declarator.getName()); |
| } else if (declSpec instanceof ICPPASTElaboratedTypeSpecifier) { |
| addNonSimpleElabSpec((ICPPASTElaboratedTypeSpecifier) declSpec); |
| } |
| // Visit parameter declarations |
| return PROCESS_CONTINUE; |
| } |
| return PROCESS_SKIP; |
| } |
| |
| |
| @Override |
| public int visit(IASTParameterDeclaration declaration) { |
| IASTDeclSpecifier declSpec = declaration.getDeclSpecifier(); |
| if (declSpec instanceof ICPPASTElaboratedTypeSpecifier) { |
| addNonSimpleElabSpec((ICPPASTElaboratedTypeSpecifier) declSpec); |
| } |
| return PROCESS_SKIP; |
| } |
| |
| private void addNonSimpleElabSpec(final ICPPASTElaboratedTypeSpecifier elabSpec) { |
| if (elabSpec.getKind() != IASTElaboratedTypeSpecifier.k_enum) { |
| final IASTName name = elabSpec.getName(); |
| if (!(name instanceof ICPPASTQualifiedName)) { |
| ASTInternal.addName(fScope, name); |
| } |
| } |
| } |
| |
| @Override |
| public int visit(IASTStatement statement) { |
| // Don't visit function bodies |
| return PROCESS_SKIP; |
| } |
| } |