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74 lines
1.9 KiB
74 lines
1.9 KiB
5 years ago
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package com.fr.third.antlr;
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/* ANTLR Translator Generator
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* Project led by Terence Parr at http://www.cs.usfca.edu
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* Software rights: http://www.antlr.org/license.html
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*
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* $Id: //depot/code/org.antlr/release/antlr-2.7.7/antlr/RuleRefElement.java#2 $
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*/
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class RuleRefElement extends AlternativeElement {
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protected String targetRule; // which rule is being called?
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protected String args = null; // were any args passed to rule?
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protected String idAssign = null; // is the return type assigned to a variable?
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protected String label;
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public RuleRefElement(Grammar g, Token t, int autoGenType_) {
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super(g, t, autoGenType_);
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targetRule = t.getText();
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// if ( Character.isUpperCase(targetRule.charAt(0)) ) { // lexer rule?
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if (t.type == ANTLRTokenTypes.TOKEN_REF) { // lexer rule?
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targetRule = CodeGenerator.encodeLexerRuleName(targetRule);
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}
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}
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// public RuleRefElement(Grammar g, String t, int line, int autoGenType_) {
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// super(g, autoGenType_);
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// targetRule = t;
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// if ( Character.isUpperCase(targetRule.charAt(0)) ) { // lexer rule?
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// targetRule = CodeGenerator.lexerRuleName(targetRule);
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// }
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// this.line = line;
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// }
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public void generate() {
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grammar.generator.gen(this);
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}
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public String getArgs() {
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return args;
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}
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public String getIdAssign() {
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return idAssign;
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}
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public String getLabel() {
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return label;
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}
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public Lookahead look(int k) {
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return grammar.theLLkAnalyzer.look(k, this);
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}
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public void setArgs(String a) {
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args = a;
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}
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public void setIdAssign(String id) {
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idAssign = id;
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}
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public void setLabel(String label_) {
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label = label_;
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}
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public String toString() {
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if (args != null)
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return " " + targetRule + args;
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else
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return " " + targetRule;
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}
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}
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