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/*******************************************************************************
* Copyright (c) 2004, 2013 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:
* Andrew Niefer (IBM Corporation) - initial API and implementation
* Markus Schorn (Wind River Systems)
* Thomas Corbat (IFS)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
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.IASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTVisibilityLabel;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.parser.util.CharArrayUtils;
import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
/**
* The binding for a method.
*/
public class CPPMethod extends CPPFunction implements ICPPMethod {
public CPPMethod(IASTDeclarator declarator) {
super(declarator);
}
public IASTDeclaration getPrimaryDeclaration() {
//first check if we already know it
if (declarations != null) {
for (IASTDeclarator dtor : declarations) {
if (dtor == null) {
break;
}
dtor = ASTQueries.findOutermostDeclarator(dtor);
IASTDeclaration decl = (IASTDeclaration) dtor.getParent();
if (decl.getParent() instanceof ICPPASTCompositeTypeSpecifier)
return decl;
}
}
if (definition != null) {
IASTDeclarator dtor = ASTQueries.findOutermostDeclarator(definition);
IASTDeclaration decl = (IASTDeclaration) dtor.getParent();
if (decl.getParent() instanceof ICPPASTCompositeTypeSpecifier)
return decl;
}
final char[] myName = getASTName().getLookupKey();
ICPPClassScope scope = (ICPPClassScope) getScope();
ICPPASTCompositeTypeSpecifier compSpec = (ICPPASTCompositeTypeSpecifier) ASTInternal.getPhysicalNodeOfScope(scope);
if (compSpec != null) {
IASTDeclaration [] members = compSpec.getMembers();
for (IASTDeclaration member : members) {
if (member instanceof IASTSimpleDeclaration) {
IASTDeclarator[] dtors = ((IASTSimpleDeclaration) member).getDeclarators();
for (IASTDeclarator dtor : dtors) {
IASTName name = ASTQueries.findInnermostDeclarator(dtor).getName();
if (CharArrayUtils.equals(name.getLookupKey(), myName) && name.resolveBinding() == this) {
return member;
}
}
} else if (member instanceof IASTFunctionDefinition) {
final IASTFunctionDeclarator declarator = ((IASTFunctionDefinition) member).getDeclarator();
IASTName name = ASTQueries.findInnermostDeclarator(declarator).getName();
if (CharArrayUtils.equals(name.getLookupKey(), myName) && name.resolveBinding() == this) {
return member;
}
}
}
}
return null;
}
@Override
public int getVisibility() {
IASTDeclaration decl = getPrimaryDeclaration();
if (decl == null) {
IScope scope = getScope();
if (scope instanceof ICPPClassScope) {
ICPPClassType cls = ((ICPPClassScope) scope).getClassType();
if (cls != null)
return (cls.getKey() == ICPPClassType.k_class) ? ICPPASTVisibilityLabel.v_private : ICPPASTVisibilityLabel.v_public;
}
return ICPPASTVisibilityLabel.v_private;
}
IASTCompositeTypeSpecifier cls = (IASTCompositeTypeSpecifier) decl.getParent();
IASTDeclaration [] members = cls.getMembers();
ICPPASTVisibilityLabel vis = null;
for (IASTDeclaration member : members) {
if (member instanceof ICPPASTVisibilityLabel) {
vis = (ICPPASTVisibilityLabel) member;
} else if (member == decl) {
break;
}
}
if (vis != null) {
return vis.getVisibility();
} else if (cls.getKey() == ICPPASTCompositeTypeSpecifier.k_class) {
return ICPPASTVisibilityLabel.v_private;
}
return ICPPASTVisibilityLabel.v_public;
}
@Override
public ICPPClassType getClassOwner() {
ICPPClassScope scope = (ICPPClassScope) getScope();
return scope.getClassType();
}
@Override
protected IASTName getASTName() {
IASTDeclarator dtor= (declarations != null && declarations.length > 0) ? declarations[0] : definition;
dtor= ASTQueries.findInnermostDeclarator(dtor);
IASTName name= dtor.getName();
if (name instanceof ICPPASTQualifiedName) {
name = name.getLastName();
}
return name;
}
@Override
public IScope getScope() {
return CPPVisitor.getContainingScope(getASTName());
}
@Override
public boolean isVirtual() {
IASTDeclaration decl = getPrimaryDeclaration();
if (decl != null) {
ICPPASTDeclSpecifier declSpec = getDeclSpec(decl);
if (declSpec != null) {
return declSpec.isVirtual();
}
}
return false;
}
protected ICPPASTDeclSpecifier getDeclSpec(IASTDeclaration decl) {
ICPPASTDeclSpecifier declSpec = null;
if (decl instanceof IASTSimpleDeclaration) {
declSpec = (ICPPASTDeclSpecifier) ((IASTSimpleDeclaration) decl).getDeclSpecifier();
} else if (decl instanceof IASTFunctionDefinition) {
declSpec = (ICPPASTDeclSpecifier) ((IASTFunctionDefinition) decl).getDeclSpecifier();
}
return declSpec;
}
@Override
public boolean isInline() {
IASTDeclaration decl = getPrimaryDeclaration();
if (decl instanceof IASTFunctionDefinition)
return true;
if (decl == null)
return false;
IASTDeclSpecifier declSpec = ((IASTSimpleDeclaration) decl).getDeclSpecifier();
return declSpec.isInline();
}
@Override
public boolean isMutable() {
return hasStorageClass(this, IASTDeclSpecifier.sc_mutable);
}
@Override
public boolean isStatic(boolean resolveAll) {
IASTDeclaration decl = getPrimaryDeclaration();
if (decl != null) {
ICPPASTDeclSpecifier declSpec = getDeclSpec(decl);
if (declSpec != null) {
return declSpec.getStorageClass() == IASTDeclSpecifier.sc_static;
}
}
return false;
}
@Override
public boolean isDestructor() {
char[] name = getNameCharArray();
if (name.length > 1 && name[0] == '~')
return true;
return false;
}
@Override
public boolean isImplicit() {
return false;
}
@Override
public boolean isPureVirtual() {
ICPPASTFunctionDeclarator declarator = findFunctionDeclarator();
if (declarator != null) {
return declarator.isPureVirtual();
}
return false;
}
@Override
public boolean isFinal() {
ICPPASTFunctionDeclarator declarator = findFunctionDeclarator();
if (declarator != null) {
return declarator.isFinal();
}
return false;
}
@Override
public boolean isOverride() {
ICPPASTFunctionDeclarator declarator = findFunctionDeclarator();
if (declarator != null) {
return declarator.isOverride();
}
return false;
}
private ICPPASTFunctionDeclarator findFunctionDeclarator() {
if (declarations != null) {
for (IASTDeclarator dtor : declarations) {
if (dtor == null)
break;
dtor = ASTQueries.findOutermostDeclarator(dtor);
IASTDeclaration decl = (IASTDeclaration) dtor.getParent();
if (decl.getParent() instanceof ICPPASTCompositeTypeSpecifier) {
dtor= ASTQueries.findTypeRelevantDeclarator(dtor);
if (dtor instanceof ICPPASTFunctionDeclarator) {
return (ICPPASTFunctionDeclarator) dtor;
}
}
}
}
return definition;
}
@Override
public boolean isExplicit() {
IASTDeclaration decl= getPrimaryDeclaration();
if (decl != null) {
ICPPASTDeclSpecifier declspec= getDeclSpec(decl);
if (declspec != null) {
return declspec.isExplicit();
}
}
return false;
}
}
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