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/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Red Hat Inc. - Modified from MakefileCodeScanner to support Automake files
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.autotools.ui.editors.AutoconfIdentifierRule;
import org.eclipse.cdt.autotools.ui.editors.AutoconfWhitespaceDetector;
import org.eclipse.cdt.internal.autotools.ui.preferences.ColorManager;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.IPredicateRule;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.MultiLineRule;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WhitespaceRule;
import org.eclipse.jface.text.rules.WordRule;
public class AutomakefileCodeScanner extends AbstractMakefileCodeScanner {
private final static String[] keywords = { "define", "endef", "ifdef", "ifndef", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
"ifeq", "ifneq", "else", "endif", "include", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
"-include", "sinclude", "override", "endef", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
"export", "unexport", "vpath", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"if", "@if", "@endif" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
private final static String[] functions = { "subst", "patsubst", "strip", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"findstring", "filter", "sort", "dir", "notdir", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
"suffix", "basename", "addsuffix", "addprefix", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
"join", "word", "words", "wordlist", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
"firstword", "wildcard", "error", "warning", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
"shell", "origin", "foreach", "call" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
};
private final static String[] automaticVariables = { "$<", "$*", "$@", "$?", "$%" };
static final String[] fTokenProperties = new String[] { ColorManager.MAKE_COMMENT_COLOR,
ColorManager.MAKE_KEYWORD_COLOR, ColorManager.MAKE_FUNCTION_COLOR, ColorManager.MAKE_MACRO_REF_COLOR,
ColorManager.MAKE_MACRO_DEF_COLOR, ColorManager.MAKE_DEFAULT_COLOR };
/**
* Constructor for AutomakefileCodeScanner
*/
public AutomakefileCodeScanner() {
super();
initialize();
}
@Override
protected List<IRule> createRules() {
IToken keyword = getToken(ColorManager.MAKE_KEYWORD_COLOR);
IToken function = getToken(ColorManager.MAKE_FUNCTION_COLOR);
IToken comment = getToken(ColorManager.MAKE_COMMENT_COLOR);
IToken macroRef = getToken(ColorManager.MAKE_MACRO_REF_COLOR);
IToken macroDef = getToken(ColorManager.MAKE_MACRO_DEF_COLOR);
IToken other = getToken(ColorManager.MAKE_DEFAULT_COLOR);
List<IRule> rules = new ArrayList<>();
// Add rule for single line comments.
rules.add(new EndOfLineRule("#", comment, '\\', true)); //$NON-NLS-1$
// Add generic whitespace rule.
rules.add(new WhitespaceRule(character -> Character.isWhitespace(character)));
// Put before the the word rules
MultiLineRule defineRule = new MultiLineRule("define", "endef", macroDef); //$NON-NLS-1$ //$NON-NLS-2$
defineRule.setColumnConstraint(0);
rules.add(defineRule);
rules.add(new AutomakeMacroDefinitionRule(macroDef, Token.UNDEFINED));
// @AC_SUBST_VAR@
IPredicateRule substVarRule = new AutoconfSubstRule(macroRef);
rules.add(substVarRule);
// Add word rule for keywords, types, and constants.
// We restring the detection of the keywords to be the first column to be valid.
WordRule keyWordRule = new WordRule(new MakefileWordDetector(), Token.UNDEFINED);
for (int i = 0; i < keywords.length; i++) {
keyWordRule.addWord(keywords[i], keyword);
}
keyWordRule.setColumnConstraint(0);
rules.add(keyWordRule);
WordRule functionRule = new WordRule(new MakefileWordDetector(), Token.UNDEFINED);
for (int i = 0; i < functions.length; i++)
functionRule.addWord(functions[i], function);
rules.add(functionRule);
WordRule automaticVarRule = new WordRule(new AutomakeWordDetector(), Token.UNDEFINED);
for (int i = 0; i < automaticVariables.length; i++)
automaticVarRule.addWord(automaticVariables[i], keyword);
rules.add(automaticVarRule);
// rules.add(new SingleLineRule("$(", ")", macroRef)); //$NON-NLS-1$ //$NON-NLS-2$
// rules.add(new SingleLineRule("${", "}", macroRef)); //$NON-NLS-1$ //$NON-NLS-2$
rules.add(new AutomakeMacroReferenceRule(macroRef, "$(", ")")); //$NON-NLS-1$ //$NON-NLS-2$
rules.add(new AutomakeMacroReferenceRule(macroRef, "${", "}")); //$NON-NLS-1$ //$NON-NLS-2$
// Add word rule for identifier.
rules.add(new AutoconfIdentifierRule(other));
// Make sure we don't treat "\#" as comment start.
rules.add(new SingleLineRule("\\#", null, Token.UNDEFINED));
rules.add(new WhitespaceRule(new AutoconfWhitespaceDetector()));
setDefaultReturnToken(other);
return rules;
}
@Override
protected String[] getTokenProperties() {
return fTokenProperties;
}
}
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