Last change
on this file since 1 was
1,
checked in by lnalod, 15 years ago
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Initial import of YAO sources
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File size:
1.3 KB
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Rev | Line | |
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[1] | 1 | package antlr; |
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| 2 | |
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| 3 | /* ANTLR Translator Generator |
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| 4 | * Project led by Terence Parr at http://www.cs.usfca.edu |
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| 5 | * Software rights: http://www.antlr.org/license.html |
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| 6 | * |
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| 7 | * $Id: //depot/code/org.antlr/release/antlr-2.7.7/antlr/TokenRefElement.java#2 $ |
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| 8 | */ |
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| 9 | |
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| 10 | class TokenRefElement extends GrammarAtom { |
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| 11 | |
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| 12 | public TokenRefElement(Grammar g, |
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| 13 | Token t, |
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| 14 | boolean inverted, |
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| 15 | int autoGenType) { |
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| 16 | super(g, t, autoGenType); |
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| 17 | not = inverted; |
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| 18 | TokenSymbol ts = grammar.tokenManager.getTokenSymbol(atomText); |
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| 19 | if (ts == null) { |
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| 20 | g.antlrTool.error("Undefined token symbol: " + |
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| 21 | atomText, grammar.getFilename(), t.getLine(), t.getColumn()); |
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| 22 | } |
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| 23 | else { |
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| 24 | tokenType = ts.getTokenType(); |
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| 25 | // set the AST node type to whatever was set in tokens {...} |
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| 26 | // section (if anything); |
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| 27 | // Lafter, after this is created, the element option can set this. |
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| 28 | setASTNodeType(ts.getASTNodeType()); |
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| 29 | } |
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| 30 | line = t.getLine(); |
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| 31 | } |
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| 32 | |
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| 33 | public void generate() { |
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| 34 | grammar.generator.gen(this); |
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| 35 | } |
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| 36 | |
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| 37 | public Lookahead look(int k) { |
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| 38 | return grammar.theLLkAnalyzer.look(k, this); |
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| 39 | } |
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| 40 | } |
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