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/*******************************************************************************
* Copyright (c) 2009, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.lrparser.xlc;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.cdt.core.dom.parser.CLanguageKeywords;
import org.eclipse.cdt.core.dom.parser.IScannerExtensionConfiguration;
import org.eclipse.cdt.core.model.ICLanguageKeywords;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.util.CharArrayMap;
import org.eclipse.cdt.internal.core.lrparser.xlc.c.XlcCParsersym;
import org.eclipse.cdt.internal.core.lrparser.xlc.cpp.XlcCPPParsersym;
public class XlcKeywords extends CLanguageKeywords {
public static final XlcKeywords ALL_C_KEYWORDS = createC(true, true);
public static final XlcKeywords ALL_CPP_KEYWORDS = createCPP(true, true, true, true, true);
private final CharArrayMap<Integer> map = new CharArrayMap<Integer>();
private final ParserLanguage language;
private String[] allKeywords = null;
public static XlcKeywords createC(boolean supportVectors, boolean supportDecimalFloatingPoint) {
XlcKeywords keywords = new XlcKeywords(ParserLanguage.C);
CharArrayMap<Integer> map = keywords.map;
if(supportVectors) {
map.put("vector".toCharArray(), XlcCParsersym.TK_vector);
map.put("__vector".toCharArray(), XlcCParsersym.TK_vector);
map.put("pixel".toCharArray(), XlcCParsersym.TK_pixel);
map.put("__pixel".toCharArray(), XlcCParsersym.TK_pixel);
map.put("bool".toCharArray(), XlcCParsersym.TK_bool);
}
if(supportDecimalFloatingPoint) {
map.put("_Decimal32".toCharArray(), XlcCParsersym.TK__Decimal32);
map.put("_Decimal64".toCharArray(), XlcCParsersym.TK__Decimal64);
map.put("_Decimal128".toCharArray(), XlcCParsersym.TK__Decimal128);
}
return keywords;
}
public static XlcKeywords createCPP(boolean supportVectors, boolean supportDecimalFloatingPoint, boolean supportComplex, boolean supportRestrict, boolean supportStaticAssert) {
XlcKeywords keywords = new XlcKeywords(ParserLanguage.CPP);
CharArrayMap<Integer> map = keywords.map;
if(supportVectors) {
map.put("vector".toCharArray(), XlcCPPParsersym.TK_vector);
map.put("__vector".toCharArray(), XlcCPPParsersym.TK_vector);
map.put("pixel".toCharArray(), XlcCPPParsersym.TK_pixel);
map.put("__pixel".toCharArray(), XlcCPPParsersym.TK_pixel);
}
if(supportDecimalFloatingPoint) {
map.put("_Decimal32".toCharArray(), XlcCPPParsersym.TK__Decimal32);
map.put("_Decimal64".toCharArray(), XlcCPPParsersym.TK__Decimal64);
map.put("_Decimal128".toCharArray(), XlcCPPParsersym.TK__Decimal128);
}
if(supportComplex) {
map.put("_Complex".toCharArray(), XlcCPPParsersym.TK__Complex);
}
if(supportRestrict) {
map.put("restrict".toCharArray(), XlcCPPParsersym.TK_restrict);
map.put("__restrict".toCharArray(), XlcCPPParsersym.TK_restrict);
map.put("__restrict__".toCharArray(), XlcCPPParsersym.TK_restrict);
}
if(supportStaticAssert) {
map.put("__static_assert".toCharArray(), XlcCPPParsersym.TK___static_assert);
}
return keywords;
}
private XlcKeywords(ParserLanguage language) {
super(language, getConfig(language));
this.language = language;
}
private static IScannerExtensionConfiguration getConfig(ParserLanguage lang) {
return lang.isCPP()
? XlcCPPScannerExtensionConfiguration.getInstance()
: XlcCScannerExtensionConfiguration.getInstance();
}
/**
* Returns the LPG token kind for additional keywords defined by
* the XLC extensions, null otherwise.
*/
public Integer getTokenKind(char[] keyword) {
return map.get(keyword);
}
@Override
public synchronized String[] getKeywords() {
if(allKeywords == null) {
ICLanguageKeywords base = new CLanguageKeywords(language, getConfig(language));
String[] baseKeywords = base.getKeywords();
List<String> keywords = new ArrayList<String>();
keywords.addAll(Arrays.asList(baseKeywords));
for(char[] keyword : map.keys()) {
keywords.add(String.valueOf(keyword));
}
allKeywords = keywords.toArray(new String[keywords.size()]);
}
return allKeywords;
}
}
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