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Viewing changes to results/plugins/org.eclipse.cdt.core.lrparser/src/org/eclipse/cdt/core/dom/lrparser/action/gnu/GNUBuildASTParserAction.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2011-10-06 21:15:04 UTC
  • mfrom: (1.1.4)
  • Revision ID: package-import@ubuntu.com-20111006211504-8dutmljjih0zikfv
Tags: 8.0.1-1
* New upstream release.
* Split the JNI packages into a separate architecture dependent
  package and made eclipse-cdt architecture independent.
* Install JNI libraries into multiarch aware location
* Bumped Standards-Version to 3.9.2.

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results/plugins/org.eclipse.cdt.core.lrparser/src/org/eclipse/cdt/core/dom/lrparser/action/gnu/GNUBuildASTParserAction.java
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/*******************************************************************************
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 * Copyright (c) 2009 IBM Corporation and others.
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 * All rights reserved. This program and the accompanying materials
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 * are made available under the terms of the Eclipse Public License v1.0
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 * which accompanies this distribution, and is available at
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 * http://www.eclipse.org/legal/epl-v10.html
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 *
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 * Contributors:
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 *     IBM Corporation - initial API and implementation
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 *******************************************************************************/
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package org.eclipse.cdt.core.dom.lrparser.action.gnu;
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import java.util.List;
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import lpg.lpgjavaruntime.IToken;
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import org.eclipse.cdt.core.dom.ast.IASTASMDeclaration;
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import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
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import org.eclipse.cdt.core.dom.ast.IASTName;
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import org.eclipse.cdt.core.dom.ast.INodeFactory;
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import org.eclipse.cdt.core.dom.ast.gnu.IGNUASTCompoundStatementExpression;
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import org.eclipse.cdt.core.dom.lrparser.action.AbstractParserAction;
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import org.eclipse.cdt.core.dom.lrparser.action.ITokenStream;
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import org.eclipse.cdt.core.dom.lrparser.action.ScopedStack;
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import org.eclipse.cdt.core.dom.lrparser.action.TokenMap;
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import org.eclipse.cdt.internal.core.dom.lrparser.gcc.GCCParsersym;
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public class GNUBuildASTParserAction extends AbstractParserAction {
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        private final INodeFactory nodeFactory;
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        private final TokenMap tokenMap;
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        public GNUBuildASTParserAction(ITokenStream parser, ScopedStack<Object> astStack, INodeFactory nodeFactory) {
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                super(parser, astStack);
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                this.nodeFactory = nodeFactory;
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                this.tokenMap = new TokenMap(GCCParsersym.orderedTerminalSymbols, parser.getOrderedTerminalSymbols());
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        }
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        @Override
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        protected IASTName createName(char[] image) {
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                return nodeFactory.newName(image);
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        }
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        @Override
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        protected boolean isCompletionToken(IToken token) {
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                return tokenMap.mapKind(token.getKind()) == GCCParsersym.TK_Completion;
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        }
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        /**
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         * Add support for GCC extended ASM declaration syntax.
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         * 
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         * 
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         * asm_definition -- same as in C++ but its not in C99 spec so we put it here
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     *     ::= 'asm' '(' 'stringlit' ')' ';'
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     * 
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     * extended_asm_declaration
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     *     ::= 'asm' 'volatile' '(' extended_asm_param_seq ')' ';'
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     *       | 'asm' '(' extended_asm_param_seq ')' ';'
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     *       
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         */
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        public void consumeDeclarationASM() {
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                List<IToken> tokens = stream.getRuleTokens();
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                int firstToken = 2; 
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                if(tokenMap.mapKind(tokens.get(1).getKind()) == GCCParsersym.TK_volatile)
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                        firstToken = 3;
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                StringBuilder sb = new StringBuilder();
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                boolean first = true;
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                for(IToken token : tokens.subList(firstToken, tokens.size()-2)) {
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                        if(!first)
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                                sb.append(' ');
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                        sb.append(token.toString());
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                        first = false;
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                }
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                IASTASMDeclaration asm = nodeFactory.newASMDeclaration(sb.toString());
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                setOffsetAndLength(asm);
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                astStack.push(asm);
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        }
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        /**
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         * primary_expression
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     *     ::= '(' compound_statement ')'
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         */
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        public void consumeCompoundStatementExpression() {
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                IASTCompoundStatement compoundStatement = (IASTCompoundStatement) astStack.pop();
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                IGNUASTCompoundStatementExpression expr = nodeFactory.newGNUCompoundStatementExpression(compoundStatement);
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                setOffsetAndLength(expr);
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                astStack.push(expr);
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        }
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}