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/*******************************************************************************
* Copyright (c) 2009, 2010 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.lrparser.xlc.action;
import lpg.lpgjavaruntime.IToken;
import org.eclipse.cdt.core.dom.ast.IASTConditionalExpression;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTLiteralExpression;
import org.eclipse.cdt.core.dom.lrparser.action.ITokenMap;
import org.eclipse.cdt.core.dom.lrparser.action.ITokenStream;
import org.eclipse.cdt.core.dom.lrparser.action.ScopedStack;
import org.eclipse.cdt.core.dom.lrparser.action.TokenMap;
import org.eclipse.cdt.core.dom.lrparser.action.cpp.ICPPSecondaryParserFactory;
import org.eclipse.cdt.core.dom.lrparser.action.gnu.GPPBuildASTParserAction;
import org.eclipse.cdt.core.lrparser.xlc.ast.ICPPASTStaticAssertDeclaration;
import org.eclipse.cdt.core.lrparser.xlc.ast.IXlcCPPASTModifiedArrayModifier;
import org.eclipse.cdt.core.lrparser.xlc.ast.IXlcCPPASTVectorTypeSpecifier;
import org.eclipse.cdt.core.lrparser.xlc.ast.IXlcCPPNodeFactory;
import org.eclipse.cdt.internal.core.lrparser.xlc.cpp.XlcCPPParsersym;
public class XlcCPPBuildASTParserAction extends GPPBuildASTParserAction {
private IXlcCPPNodeFactory nodeFactory;
private final ITokenMap tokenMap;
public XlcCPPBuildASTParserAction(ITokenStream parser,
ScopedStack<Object> astStack, IXlcCPPNodeFactory nodeFactory,
ICPPSecondaryParserFactory parserFactory) {
super(parser, astStack, nodeFactory, parserFactory);
this.nodeFactory = nodeFactory;
this.tokenMap = new TokenMap(XlcCPPParsersym.orderedTerminalSymbols, parser.getOrderedTerminalSymbols());
}
/*
* vector_type
* ::= <openscope-ast> sqlist_op 'vector' vector_type_specifier all_specifier_qualifier_list
*/
public void consumeVectorTypeSpecifier() {
IXlcCPPASTVectorTypeSpecifier declSpec = nodeFactory.newVectorTypeSpecifier();
for(Object specifier : astStack.closeScope()) {
if(specifier instanceof IToken) {
switch(tokenMap.mapKind(((IToken)specifier).getKind())) {
case XlcCPPParsersym.TK_pixel :
declSpec.setPixel(true);
continue;
case XlcCPPParsersym.TK_vector :
continue;
}
}
setSpecifier(declSpec, specifier);
}
setOffsetAndLength(declSpec);
astStack.push(declSpec);
}
public void consumeDirectDeclaratorModifiedArrayModifier(boolean isStatic,
boolean isVarSized, boolean hasTypeQualifierList, boolean hasAssignmentExpr) {
assert isStatic || isVarSized || hasTypeQualifierList;
IXlcCPPASTModifiedArrayModifier arrayModifier = nodeFactory.newModifiedArrayModifier(null);
// consume all the stuff between the square brackets into an array modifier
arrayModifier.setStatic(isStatic);
arrayModifier.setVariableSized(isVarSized);
if(hasAssignmentExpr)
arrayModifier.setConstantExpression((IASTExpression)astStack.pop());
if(hasTypeQualifierList)
collectArrayModifierTypeQualifiers(arrayModifier);
setOffsetAndLength(arrayModifier);
astStack.push(arrayModifier);
}
private void collectArrayModifierTypeQualifiers(IXlcCPPASTModifiedArrayModifier arrayModifier) {
for(Object o : astStack.closeScope()) {
switch(tokenMap.mapKind(((IToken)o).getKind())) {
case XlcCPPParsersym.TK_const: arrayModifier.setConst(true); break;
case XlcCPPParsersym.TK_restrict: arrayModifier.setRestrict(true); break;
case XlcCPPParsersym.TK_volatile: arrayModifier.setVolatile(true); break;
}
}
}
/**
* staticAssertDeclaration ::= '__static_assert' '(' expression ',' literal ')' ';'
*/
public void consumeCPPASTStaticAssertDeclaration() {
ICPPASTLiteralExpression message = (ICPPASTLiteralExpression) astStack.pop();
IASTExpression condition = (IASTExpression) astStack.pop();
ICPPASTStaticAssertDeclaration assertDeclaration = nodeFactory.newStaticAssertion(condition, message);
setOffsetAndLength(assertDeclaration);
astStack.push(assertDeclaration);
}
}
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