| /******************************************************************************* |
| * Copyright (c) 2004, 2015 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 |
| * Emanuel Graf IFS - Bug 198269 |
| * Markus Schorn (Wind River Systems) |
| * Sergey Prigogin (Google) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTImplicitDestructorName; |
| import org.eclipse.cdt.core.dom.ast.IASTNode; |
| import org.eclipse.cdt.core.dom.ast.IASTStatement; |
| import org.eclipse.cdt.core.dom.ast.IScope; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTExpression; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTForStatement; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.DestructorCallCollector; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalUtil; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.ExecFor; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.ExecSimpleDeclaration; |
| |
| /** |
| * For statement in C++ |
| */ |
| public class CPPASTForStatement extends CPPASTAttributeOwner implements ICPPASTForStatement, ICPPExecutionOwner { |
| private IScope fScope; |
| |
| private IASTStatement fInit; |
| private IASTExpression fCondition; |
| private IASTDeclaration fCondDeclaration; |
| private IASTExpression fIterationExpression; |
| private IASTStatement fBody; |
| private IASTImplicitDestructorName[] fImplicitDestructorNames; |
| |
| public CPPASTForStatement() { |
| } |
| |
| public CPPASTForStatement(IASTStatement init, IASTDeclaration condDeclaration, |
| IASTExpression iterationExpression, IASTStatement body) { |
| setInitializerStatement(init); |
| setConditionDeclaration(condDeclaration); |
| setIterationExpression(iterationExpression); |
| setBody(body); |
| } |
| |
| public CPPASTForStatement(IASTStatement init, IASTExpression condition, |
| IASTExpression iterationExpression, IASTStatement body) { |
| setInitializerStatement(init); |
| setConditionExpression(condition); |
| setIterationExpression(iterationExpression); |
| setBody(body); |
| } |
| |
| @Override |
| public CPPASTForStatement copy() { |
| return copy(CopyStyle.withoutLocations); |
| } |
| |
| @Override |
| public CPPASTForStatement copy(CopyStyle style) { |
| CPPASTForStatement copy = new CPPASTForStatement(); |
| copy.setInitializerStatement(fInit == null ? null : fInit.copy(style)); |
| copy.setConditionDeclaration(fCondDeclaration == null ? null : fCondDeclaration.copy(style)); |
| copy.setConditionExpression(fCondition == null ? null : fCondition.copy(style)); |
| copy.setIterationExpression(fIterationExpression == null ? |
| null : fIterationExpression.copy(style)); |
| copy.setBody(fBody == null ? null : fBody.copy(style)); |
| return copy(copy, style); |
| } |
| |
| @Override |
| public IASTExpression getConditionExpression() { |
| return fCondition; |
| } |
| |
| @Override |
| public void setConditionExpression(IASTExpression condition) { |
| assertNotFrozen(); |
| this.fCondition = condition; |
| if (condition != null) { |
| condition.setParent(this); |
| condition.setPropertyInParent(CONDITION); |
| fCondDeclaration= null; |
| } |
| } |
| |
| @Override |
| public IASTExpression getIterationExpression() { |
| return fIterationExpression; |
| } |
| |
| @Override |
| public void setIterationExpression(IASTExpression iterator) { |
| assertNotFrozen(); |
| this.fIterationExpression = iterator; |
| if (iterator != null) { |
| iterator.setParent(this); |
| iterator.setPropertyInParent(ITERATION); |
| } |
| } |
| |
| @Override |
| public IASTStatement getBody() { |
| return fBody; |
| } |
| |
| @Override |
| public void setBody(IASTStatement statement) { |
| assertNotFrozen(); |
| fBody = statement; |
| if (statement != null) { |
| statement.setParent(this); |
| statement.setPropertyInParent(BODY); |
| } |
| } |
| |
| @Override |
| public IScope getScope() { |
| if (fScope == null) |
| fScope = new CPPBlockScope(this); |
| return fScope; |
| } |
| |
| @Override |
| public IASTImplicitDestructorName[] getImplicitDestructorNames() { |
| if (fImplicitDestructorNames == null) { |
| fImplicitDestructorNames = DestructorCallCollector.getLocalVariablesDestructorCalls(this); |
| } |
| |
| return fImplicitDestructorNames; |
| } |
| |
| @Override |
| public boolean accept(ASTVisitor action) { |
| if (action.shouldVisitStatements) { |
| switch (action.visit(this)) { |
| case ASTVisitor.PROCESS_ABORT: return false; |
| case ASTVisitor.PROCESS_SKIP: return true; |
| default: break; |
| } |
| } |
| |
| if (!acceptByAttributeSpecifiers(action)) return false; |
| if (fInit != null && !fInit.accept(action)) return false; |
| if (fCondition != null && !fCondition.accept(action)) return false; |
| if (fCondDeclaration != null && !fCondDeclaration.accept(action)) return false; |
| if (fIterationExpression != null && !fIterationExpression.accept(action)) return false; |
| if (fBody != null && !fBody.accept(action)) return false; |
| |
| if (action.shouldVisitImplicitDestructorNames && !acceptByNodes(getImplicitDestructorNames(), action)) |
| return false; |
| |
| if (action.shouldVisitStatements) { |
| switch (action.leave(this)) { |
| case ASTVisitor.PROCESS_ABORT: return false; |
| case ASTVisitor.PROCESS_SKIP: return true; |
| default: break; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void replace(IASTNode child, IASTNode other) { |
| if (fBody == child) { |
| other.setPropertyInParent(child.getPropertyInParent()); |
| other.setParent(child.getParent()); |
| fBody = (IASTStatement) other; |
| return; |
| } else if (child == fCondition || child == fCondDeclaration) { |
| if (other instanceof IASTExpression) { |
| setConditionExpression((IASTExpression) other); |
| } else if (other instanceof IASTDeclaration) { |
| setConditionDeclaration((IASTDeclaration) other); |
| } |
| return; |
| } else if (child == fIterationExpression) { |
| other.setPropertyInParent(child.getPropertyInParent()); |
| other.setParent(child.getParent()); |
| fIterationExpression = (IASTExpression) other; |
| return; |
| } else if (child == fInit) { |
| other.setPropertyInParent(child.getPropertyInParent()); |
| other.setParent(child.getParent()); |
| fInit = (IASTStatement) other; |
| return; |
| } |
| super.replace(child, other); |
| } |
| |
| @Override |
| public IASTStatement getInitializerStatement() { |
| return fInit; |
| } |
| |
| @Override |
| public void setInitializerStatement(IASTStatement statement) { |
| assertNotFrozen(); |
| fInit = statement; |
| if (statement != null) { |
| statement.setParent(this); |
| statement.setPropertyInParent(INITIALIZER); |
| } |
| } |
| |
| @Override |
| public void setConditionDeclaration(IASTDeclaration d) { |
| assertNotFrozen(); |
| fCondDeclaration = d; |
| if (d != null) { |
| d.setParent(this); |
| d.setPropertyInParent(CONDITION_DECLARATION); |
| fCondition= null; |
| } |
| } |
| |
| @Override |
| public IASTDeclaration getConditionDeclaration() { |
| return fCondDeclaration; |
| } |
| |
| @Override |
| public ICPPExecution getExecution() { |
| ICPPExecution initializerExec = EvalUtil.getExecutionFromStatement(getInitializerStatement()); |
| ICPPASTExpression conditionExpr = (ICPPASTExpression) getConditionExpression(); |
| ICPPExecutionOwner conditionDecl = (ICPPExecutionOwner) getConditionDeclaration(); |
| ICPPEvaluation conditionExprEval = conditionExpr != null ? conditionExpr.getEvaluation() : null; |
| ExecSimpleDeclaration conditionDeclExec = conditionDecl != null ? (ExecSimpleDeclaration) conditionDecl.getExecution() : null; |
| ICPPASTExpression iterationExpr = (ICPPASTExpression) getIterationExpression(); |
| ICPPEvaluation iterationEval = iterationExpr != null ? iterationExpr.getEvaluation() : null; |
| ICPPExecution bodyExec = EvalUtil.getExecutionFromStatement(getBody()); |
| return new ExecFor(initializerExec, conditionExprEval, conditionDeclExec, iterationEval, bodyExec); |
| } |
| } |