persistence.antlr.TokenRangeElement Maven / Gradle / Ivy
package persistence.antlr;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
*/
class TokenRangeElement extends AlternativeElement {
String label;
protected int begin = Token.INVALID_TYPE;
protected int end = Token.INVALID_TYPE;
protected String beginText;
protected String endText;
public TokenRangeElement(Grammar g, Token t1, Token t2, int autoGenType) {
super(g, t1, autoGenType);
begin = grammar.tokenManager.getTokenSymbol(t1.getText()).getTokenType();
beginText = t1.getText();
end = grammar.tokenManager.getTokenSymbol(t2.getText()).getTokenType();
endText = t2.getText();
line = t1.getLine();
}
public void generate() {
grammar.generator.gen(this);
}
public String getLabel() {
return label;
}
public Lookahead look(int k) {
return grammar.theLLkAnalyzer.look(k, this);
}
public void setLabel(String label_) {
label = label_;
}
public String toString() {
if (label != null) {
return " " + label + ":" + beginText + ".." + endText;
}
else {
return " " + beginText + ".." + endText;
}
}
}