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1
2 package org.netbeans.modules.lexer.demo.antlr;
3
4 import org.netbeans.api.lexer.Lexer;
5 import org.netbeans.api.lexer.TokenId;
6 import org.netbeans.spi.lexer.AbstractLanguage;
7 import org.netbeans.spi.lexer.MatcherFactory;
8
9 public class CalcLanguage extends AbstractLanguage {
10
11
12 private static CalcLanguage INSTANCE;
13
14
15 public static synchronized CalcLanguage get() {
16 if (INSTANCE == null)
17 INSTANCE = new CalcLanguage();
18
19 return INSTANCE;
20 }
21
22 public static final int WHITESPACE_INT = 4;
23 public static final int PLUS_INT = 5;
24 public static final int MINUS_INT = 6;
25 public static final int MUL_INT = 7;
26 public static final int DIV_INT = 8;
27 public static final int LPAREN_INT = 9;
28 public static final int RPAREN_INT = 10;
29 public static final int ABC_INT = 11;
30 public static final int CONSTANT_INT = 12;
31 public static final int ML_COMMENT_INT = 13;
32 public static final int INCOMPLETE_ML_COMMENT_INT = 17;
33 public static final int ERROR_INT = 18;
34
35
36 public static final TokenId ABC = new TokenId("abc", ABC_INT);
37 public static final TokenId CONSTANT = new TokenId("constant", CONSTANT_INT, new String  []{"literal"});
38 public static final TokenId DIV = new TokenId("div", DIV_INT, new String []{"operator"}, MatcherFactory.createTextCheckMatcher("/"));
39 public static final TokenId ERROR = new TokenId("error", ERROR_INT, new String []{"error"});
40 public static final TokenId INCOMPLETE_ML_COMMENT = new TokenId("incomplete-ml-comment", INCOMPLETE_ML_COMMENT_INT, new String []{"comment", "incomplete", "error"});
41 public static final TokenId LPAREN = new TokenId("lparen", LPAREN_INT, new String []{"separator"}, MatcherFactory.createTextCheckMatcher("("));
42 public static final TokenId MINUS = new TokenId("minus", MINUS_INT, new String []{"operator"}, MatcherFactory.createTextCheckMatcher("-"));
43 public static final TokenId ML_COMMENT = new TokenId("ml-comment", ML_COMMENT_INT, new String []{"comment"});
44 public static final TokenId MUL = new TokenId("mul", MUL_INT, new String []{"operator"}, MatcherFactory.createTextCheckMatcher("*"));
45 public static final TokenId PLUS = new TokenId("plus", PLUS_INT, new String []{"operator"}, MatcherFactory.createTextCheckMatcher("+"));
46 public static final TokenId RPAREN = new TokenId("rparen", RPAREN_INT, new String []{"separator"}, MatcherFactory.createTextCheckMatcher(")"));
47 public static final TokenId WHITESPACE = new TokenId("whitespace", WHITESPACE_INT, null, MatcherFactory.createTextCheckMatcher(" "));
48
49 CalcLanguage() {
50 }
51
52 public Lexer createLexer() {
53 return new CalcLexer();
54 }
55
56 }
57 |
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