| /******************************************************************************* |
| * 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: |
| * John Camelon (IBM) - Initial API and implementation |
| * Markus Schorn (Wind River Systems) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTName; |
| import org.eclipse.cdt.core.dom.ast.IASTNode; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateParameter; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplatedTypeTemplateParameter; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope; |
| import org.eclipse.cdt.core.parser.util.ArrayUtil; |
| import org.eclipse.cdt.internal.core.dom.parser.ASTNode; |
| import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent; |
| |
| /** |
| * Template template parameter |
| */ |
| public class CPPASTTemplatedTypeTemplateParameter extends ASTNode implements |
| ICPPASTTemplatedTypeTemplateParameter, IASTAmbiguityParent { |
| |
| private ICPPASTTemplateParameter [] fNestedParameters = null; |
| private boolean fIsParameterPack; |
| private IASTName fName; |
| private IASTExpression fDefaultValue; |
| private CPPTemplateTemplateParameterScope fScope; |
| |
| public CPPASTTemplatedTypeTemplateParameter() { |
| } |
| |
| public CPPASTTemplatedTypeTemplateParameter(IASTName name, IASTExpression defaultValue) { |
| setName(name); |
| setDefaultValue(defaultValue); |
| } |
| |
| @Override |
| public CPPASTTemplatedTypeTemplateParameter copy() { |
| return copy(CopyStyle.withoutLocations); |
| } |
| |
| @Override |
| public CPPASTTemplatedTypeTemplateParameter copy(CopyStyle style) { |
| CPPASTTemplatedTypeTemplateParameter copy = new CPPASTTemplatedTypeTemplateParameter(); |
| copy.setName(fName == null ? null : fName.copy(style)); |
| copy.setDefaultValue(fDefaultValue == null ? null : fDefaultValue.copy(style)); |
| copy.fIsParameterPack = fIsParameterPack; |
| for (ICPPASTTemplateParameter param : getTemplateParameters()) |
| copy.addTemplateParameter(param == null ? null : param.copy(style)); |
| return copy(copy, style); |
| } |
| |
| @Override |
| public ICPPASTTemplateParameter[] getTemplateParameters() { |
| if (fNestedParameters == null) |
| return ICPPASTTemplateParameter.EMPTY_TEMPLATEPARAMETER_ARRAY; |
| fNestedParameters = ArrayUtil.trim(ICPPASTTemplateParameter.class, fNestedParameters); |
| return fNestedParameters; |
| } |
| |
| @Override |
| @Deprecated |
| public void addTemplateParamter(ICPPASTTemplateParameter param) { |
| addTemplateParameter(param); |
| } |
| |
| @Override |
| public void addTemplateParameter(ICPPASTTemplateParameter param) { |
| assertNotFrozen(); |
| if (param != null) { |
| fNestedParameters = ArrayUtil.append(ICPPASTTemplateParameter.class, |
| fNestedParameters, param); |
| param.setParent(this); |
| param.setPropertyInParent(PARAMETER); |
| } |
| } |
| |
| |
| @Override |
| public void setIsParameterPack(boolean val) { |
| assertNotFrozen(); |
| fIsParameterPack= val; |
| } |
| |
| @Override |
| public boolean isParameterPack() { |
| return fIsParameterPack; |
| } |
| |
| @Override |
| public IASTName getName() { |
| return fName; |
| } |
| |
| @Override |
| public void setName(IASTName name) { |
| assertNotFrozen(); |
| this.fName =name; |
| if (name != null) { |
| name.setParent(this); |
| name.setPropertyInParent(PARAMETER_NAME); |
| } |
| } |
| |
| @Override |
| public IASTExpression getDefaultValue() { |
| return fDefaultValue; |
| } |
| |
| @Override |
| public void setDefaultValue(IASTExpression expression) { |
| assertNotFrozen(); |
| this.fDefaultValue = expression; |
| if (expression != null) { |
| expression.setParent(this); |
| expression.setPropertyInParent(DEFAULT_VALUE); |
| } |
| } |
| |
| @Override |
| public boolean accept(ASTVisitor action) { |
| if (action.shouldVisitTemplateParameters) { |
| switch (action.visit(this)) { |
| case ASTVisitor.PROCESS_ABORT : return false; |
| case ASTVisitor.PROCESS_SKIP : return true; |
| default : break; |
| } |
| } |
| |
| ICPPASTTemplateParameter [] ps = getTemplateParameters(); |
| for (int i = 0; i < ps.length; i++) { |
| if (!ps[i].accept(action)) |
| return false; |
| } |
| if (fName != null && !fName.accept(action)) |
| return false; |
| if (fDefaultValue != null && !fDefaultValue.accept(action)) |
| return false; |
| |
| if (action.shouldVisitTemplateParameters && action.leave(this) == ASTVisitor.PROCESS_ABORT) |
| return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int getRoleForName(IASTName n) { |
| if (n == fName) |
| return r_declaration; |
| return r_unclear; |
| } |
| |
| @Override |
| public void replace(IASTNode child, IASTNode other) { |
| if (child == fDefaultValue) |
| { |
| other.setPropertyInParent(child.getPropertyInParent()); |
| other.setParent(child.getParent()); |
| fDefaultValue = (IASTExpression) other; |
| } |
| } |
| |
| @Override |
| public ICPPScope asScope() { |
| if (fScope == null) { |
| fScope= new CPPTemplateTemplateParameterScope(this); |
| } |
| return fScope; |
| } |
| } |