| /******************************************************************************* |
| * Copyright (c) 2016 Institute for Software, HSR Hochschule fuer Technik |
| * Rapperswil, University of applied sciences 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 |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics; |
| |
| import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation.ConstexprEvaluationContext; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPExecution; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.InstantiationContext; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.EvalUtil.Pair; |
| import org.eclipse.core.runtime.CoreException; |
| |
| public class ExecCase implements ICPPExecution { |
| private final ICPPEvaluation caseExprEval; |
| |
| public ExecCase(ICPPEvaluation caseExprEval) { |
| this.caseExprEval = caseExprEval; |
| } |
| |
| @Override |
| public ICPPExecution instantiate(InstantiationContext context, int maxDepth) { |
| ICPPEvaluation newCaseExprEval = caseExprEval.instantiate(context, maxDepth); |
| if (newCaseExprEval == caseExprEval) { |
| return this; |
| } |
| return new ExecCase(newCaseExprEval); |
| } |
| |
| @Override |
| public ICPPExecution executeForFunctionCall(ActivationRecord record, ConstexprEvaluationContext context) { |
| Pair<ICPPEvaluation, ICPPEvaluation> vp = EvalUtil.getValuePair(caseExprEval, record, context); |
| ICPPEvaluation fixed = vp.getSecond(); |
| if (fixed == caseExprEval) { |
| return this; |
| } |
| return new ExecCase(fixed); |
| } |
| |
| public ICPPEvaluation getCaseExpressionEvaluation() { |
| return caseExprEval; |
| } |
| |
| @Override |
| public void marshal(ITypeMarshalBuffer buffer, boolean includeValue) throws CoreException { |
| buffer.putShort(ITypeMarshalBuffer.EXEC_CASE); |
| buffer.marshalEvaluation(caseExprEval, includeValue); |
| } |
| |
| public static ICPPExecution unmarshal(short firstBytes, ITypeMarshalBuffer buffer) throws CoreException { |
| ICPPEvaluation caseExprEval = buffer.unmarshalEvaluation(); |
| return new ExecCase(caseExprEval); |
| } |
| } |