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