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The source code/* * CSharpTokenMarker.java - C# token marker * Copyright (C) 2001 Romain Guy * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.gjt.sp.jedit.syntax; import javax.swing.text.Segment; public class CSharpTokenMarker extends TokenMarker { public static final byte VERBATIM_STRING = Token.INTERNAL_FIRST + 1; public CSharpTokenMarker() { this.keywords = getKeywords(); } public byte markTokensImpl(byte token, Segment line, int lineIndex) { char[] array = line.array; int offset = line.offset; lastOffset = offset; lastKeyword = offset; int length = line.count + offset; lastWhitespace = offset - 1; boolean backslash = false; loop: for (int i = offset; i < length; i++) { int i1 = (i + 1); char c = array[i]; if (c == '\\') { backslash = !backslash; continue; } switch (token) { case Token.NULL: switch (c) { case '(': if (backslash) { doKeyword(line, i, c); backslash = false; } else { if (doKeyword(line, i, c)) break; addToken(lastWhitespace - lastOffset + 1, token); addToken(i - lastWhitespace - 1, Token.METHOD); addToken(1, Token.NULL); token = Token.NULL; lastOffset = lastKeyword = i1; lastWhitespace = i; } break; case '#': if (backslash) backslash = false; else { if (doKeyword(line, i, c)) break; addToken(i - lastOffset, token); addToken(length - i, Token.KEYWORD2); lastOffset = lastKeyword = length; break loop; } break; case '"': doKeyword(line, i, c); if (backslash) backslash = false; else { addToken(i - lastOffset, token); token = Token.LITERAL1; lastOffset = lastKeyword = i; } break; case '@': if (length - i > 1 && array[i1] == '"') { addToken(i - lastOffset, token); token = VERBATIM_STRING; //Token.LITERAL1; lastOffset = lastKeyword = i; i++; } break; case '\'': doKeyword(line, i, c); if (backslash) backslash = false; else { addToken(i - lastOffset, token); token = Token.LITERAL2; lastOffset = lastKeyword = i; } break; case ':': if (lastKeyword == offset) { if (doKeyword(line, i, c)) break; backslash = false; addToken(i1 - lastOffset, Token.LABEL); lastOffset = lastKeyword = i1; } else if (doKeyword(line, i, c)) break; break; case '/': backslash = false; doKeyword(line, i, c); if (length - i > 1) { switch (array[i1]) { case '*': addToken(i - lastOffset, token); lastOffset = lastKeyword = i; if (length - i > 2 && array[i + 2] == '*') token = Token.COMMENT2; else token = Token.COMMENT1; break; case '/': addToken(i - lastOffset, token); if (length - i > 2) addToken(length - i, Token.COMMENT2); else addToken(length - i, Token.COMMENT1); lastOffset = lastKeyword = length; break loop; } } break; default: backslash = false; if (!Character.isLetterOrDigit(c) && c != '_') doKeyword(line, i, c); if (CTokenMarker.METHOD_DELIMITERS.indexOf(c) != -1) { lastWhitespace = i; } break; } break; case Token.COMMENT1: case Token.COMMENT2: backslash = false; if (c == '*' && length - i > 1) { if (array[i1] == '/') { i++; addToken((i + 1) - lastOffset, token); token = Token.NULL; lastOffset = lastKeyword = i + 1; lastWhitespace = i; } } break; case VERBATIM_STRING: if (backslash) backslash = false; else if (c == '"') { addToken(i1 - lastOffset, Token.LITERAL1); token = Token.NULL; lastOffset = lastKeyword = i1; lastWhitespace = i; } break; case Token.LITERAL1: if (backslash) backslash = false; else if (c == '"') { addToken(i1 - lastOffset, token); token = Token.NULL; lastOffset = lastKeyword = i1; lastWhitespace = i; } break; case Token.LITERAL2: if (backslash) backslash = false; else if (c == '\'') { addToken(i1 - lastOffset, Token.LITERAL1); token = Token.NULL; lastOffset = lastKeyword = i1; lastWhitespace = i; } break; default: throw new InternalError("Invalid state: " + token); } } if (token == Token.NULL) doKeyword(line, length, '\0'); switch (token) { case VERBATIM_STRING: addToken(length - lastOffset, Token.LITERAL1); break; case Token.LITERAL1: case Token.LITERAL2: addToken(length - lastOffset, Token.INVALID); token = Token.NULL; break; case Token.KEYWORD2: addToken(length - lastOffset, token); if (!backslash) token = Token.NULL; default: addToken(length - lastOffset, token); break; } return token; } public static KeywordMap getKeywords() { if (cKeywords == null) { cKeywords = new KeywordMap(false); cKeywords.add("abstract", Token.KEYWORD1); cKeywords.add("as", Token.KEYWORD1); cKeywords.add("base", Token.KEYWORD1); cKeywords.add("break", Token.KEYWORD1); cKeywords.add("case", Token.KEYWORD1); cKeywords.add("catch", Token.KEYWORD1); cKeywords.add("checked", Token.KEYWORD1); cKeywords.add("const", Token.KEYWORD1); cKeywords.add("continue", Token.KEYWORD1); cKeywords.add("decimal", Token.KEYWORD1); cKeywords.add("default", Token.KEYWORD1); cKeywords.add("delegate", Token.KEYWORD1); cKeywords.add("do", Token.KEYWORD1); cKeywords.add("else", Token.KEYWORD1); cKeywords.add("explicit", Token.KEYWORD1); cKeywords.add("extern", Token.KEYWORD1); cKeywords.add("finally", Token.KEYWORD1); cKeywords.add("fixed", Token.KEYWORD1); cKeywords.add("for", Token.KEYWORD1); cKeywords.add("foreach", Token.KEYWORD1); cKeywords.add("get", Token.KEYWORD1); cKeywords.add("goto", Token.KEYWORD1); cKeywords.add("if", Token.KEYWORD1); cKeywords.add("implicit", Token.KEYWORD1); cKeywords.add("in", Token.KEYWORD1); cKeywords.add("internal", Token.KEYWORD1); cKeywords.add("is", Token.KEYWORD1); cKeywords.add("lock", Token.KEYWORD1); cKeywords.add("new", Token.KEYWORD1); cKeywords.add("operator", Token.KEYWORD1); cKeywords.add("out", Token.KEYWORD1); cKeywords.add("override", Token.KEYWORD1); cKeywords.add("params", Token.KEYWORD1); cKeywords.add("private", Token.KEYWORD1); cKeywords.add("protected", Token.KEYWORD1); cKeywords.add("public", Token.KEYWORD1); cKeywords.add("readonly", Token.KEYWORD1); cKeywords.add("ref", Token.KEYWORD1); cKeywords.add("return", Token.KEYWORD1); cKeywords.add("sealed", Token.KEYWORD1); cKeywords.add("set", Token.KEYWORD1); cKeywords.add("sizeof", Token.KEYWORD1); cKeywords.add("stackalloc", Token.KEYWORD1); cKeywords.add("static", Token.KEYWORD1); cKeywords.add("switch", Token.KEYWORD1); cKeywords.add("throw", Token.KEYWORD1); cKeywords.add("try", Token.KEYWORD1); cKeywords.add("typeof", Token.KEYWORD1); cKeywords.add("unchecked", Token.KEYWORD1); cKeywords.add("unsafe", Token.KEYWORD1); cKeywords.add("virtual", Token.KEYWORD1); cKeywords.add("while", Token.KEYWORD1); cKeywords.add("using", Token.KEYWORD2); cKeywords.add("namespace", Token.KEYWORD2); cKeywords.add("bool", Token.KEYWORD3); cKeywords.add("byte", Token.KEYWORD3); cKeywords.add("char", Token.KEYWORD3); cKeywords.add("class", Token.KEYWORD3); cKeywords.add("double", Token.KEYWORD3); cKeywords.add("enum", Token.KEYWORD3); cKeywords.add("event", Token.KEYWORD3); cKeywords.add("float", Token.KEYWORD3); cKeywords.add("int", Token.KEYWORD3); cKeywords.add("interface", Token.KEYWORD3); cKeywords.add("long", Token.KEYWORD3); cKeywords.add("object", Token.KEYWORD3); cKeywords.add("sbyte", Token.KEYWORD3); cKeywords.add("short", Token.KEYWORD3); cKeywords.add("string", Token.KEYWORD3); cKeywords.add("struct", Token.KEYWORD3); cKeywords.add("uint", Token.KEYWORD3); cKeywords.add("ulong", Token.KEYWORD3); cKeywords.add("ushort", Token.KEYWORD3); cKeywords.add("void", Token.KEYWORD3); cKeywords.add("false", Token.LITERAL2); cKeywords.add("null", Token.LITERAL2); cKeywords.add("this", Token.LITERAL2); cKeywords.add("true", Token.LITERAL2); } return cKeywords; } // private members private static KeywordMap cKeywords; private KeywordMap keywords; private int lastOffset; private int lastKeyword; private int lastWhitespace; private boolean doKeyword(Segment line, int i, char c) { int i1 = i + 1; int len = i - lastKeyword; byte id = keywords.lookup(line, lastKeyword, len); if (id != Token.NULL) { if (lastKeyword != lastOffset) addToken(lastKeyword - lastOffset, Token.NULL); addToken(len, id); lastOffset = i; lastKeyword = i1; lastWhitespace = i; return true; } lastKeyword = i1; return false; } } // End of CSharpTokenMarker.jav |
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