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/*******************************************************************************
* Copyright (c) 2006, 2007 Wind River Systems, Inc. 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:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.editor.asm;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WhitespaceRule;
import org.eclipse.cdt.core.model.IAsmLanguage;
import org.eclipse.cdt.internal.ui.text.AbstractCScanner;
import org.eclipse.cdt.internal.ui.text.CHeaderRule;
import org.eclipse.cdt.internal.ui.text.ICColorConstants;
import org.eclipse.cdt.internal.ui.text.IColorManager;
import org.eclipse.cdt.internal.ui.text.PreprocessorRule;
import org.eclipse.cdt.internal.ui.text.util.CWhitespaceDetector;
import org.eclipse.cdt.internal.ui.text.util.CWordDetector;
/**
* A preprocessor directive scanner for Asm source.
*
* @since 4.0
*/
public class AsmPreprocessorScanner extends AbstractCScanner {
/** Properties for tokens. */
private static final String[] fgTokenProperties= {
ICColorConstants.C_SINGLE_LINE_COMMENT,
ICColorConstants.PP_DIRECTIVE,
ICColorConstants.C_STRING,
ICColorConstants.PP_HEADER,
ICColorConstants.PP_DEFAULT,
};
private IAsmLanguage fAsmLanguage;
/**
* Create a preprocessor directive scanner.
*
* @param colorManager
* @param store
* @param asmLanguage
*/
public AsmPreprocessorScanner(IColorManager colorManager, IPreferenceStore store, IAsmLanguage asmLanguage) {
super(colorManager, store);
Assert.isNotNull(asmLanguage);
fAsmLanguage= asmLanguage;
initialize();
}
/*
* @see org.eclipse.cdt.internal.ui.text.AbstractCScanner#createRules()
*/
protected List createRules() {
Token defaultToken= getToken(ICColorConstants.PP_DEFAULT);
List rules= new ArrayList();
Token token;
// Add generic white space rule.
rules.add(new WhitespaceRule(new CWhitespaceDetector()));
token= getToken(ICColorConstants.PP_DIRECTIVE);
PreprocessorRule preprocessorRule= new PreprocessorRule(new CWordDetector(), defaultToken, getToken(ICColorConstants.C_SINGLE_LINE_COMMENT));
String[] ppKeywords= fAsmLanguage.getPreprocessorKeywords();
for (int i= 0; i < ppKeywords.length; i++) {
String ppKeyword= ppKeywords[i];
if (ppKeyword.length() > 1) {
preprocessorRule.addWord(ppKeyword, token);
}
}
// add ## operator
preprocessorRule.addWord("##", token); //$NON-NLS-1$
rules.add(preprocessorRule);
token = getToken(ICColorConstants.PP_HEADER);
CHeaderRule headerRule = new CHeaderRule(token);
rules.add(headerRule);
token = getToken(ICColorConstants.C_SINGLE_LINE_COMMENT);
IRule lineCommentRule= new EndOfLineRule("#", token); //$NON-NLS-1$
rules.add(lineCommentRule);
// token = getToken(ICColorConstants.C_MULTI_LINE_COMMENT);
// IRule blockCommentRule = new MultiLineRule("/*", "*/", token, '\\'); //$NON-NLS-1$ //$NON-NLS-2$
// rules.add(blockCommentRule);
setDefaultReturnToken(defaultToken);
return rules;
}
/*
* @see org.eclipse.cdt.internal.ui.text.AbstractCScanner#getTokenProperties()
*/
protected String[] getTokenProperties() {
return fgTokenProperties;
}
}
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