persistence.antlr.TokenRefElement Maven / Gradle / Ivy
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package persistence.antlr;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id: TokenRefElement.java,v 1.1 2006/02/08 21:31:01 tware Exp $
*/
class TokenRefElement extends GrammarAtom {
public TokenRefElement(Grammar g,
Token t,
boolean inverted,
int autoGenType) {
super(g, t, autoGenType);
not = inverted;
TokenSymbol ts = grammar.tokenManager.getTokenSymbol(atomText);
if (ts == null) {
g.antlrTool.error("Undefined token symbol: " +
atomText, grammar.getFilename(), t.getLine(), t.getColumn());
}
else {
tokenType = ts.getTokenType();
// set the AST node type to whatever was set in tokens {...}
// section (if anything);
// Lafter, after this is created, the element option can set this.
setASTNodeType(ts.getASTNodeType());
}
line = t.getLine();
}
public void generate() {
grammar.generator.gen(this);
}
public Lookahead look(int k) {
return grammar.theLLkAnalyzer.look(k, this);
}
}