Method getChildIndex

src/org/antlr/codebuff/Trainer.java:988–1001

(ParseTree t)

	}

	public static int getChildIndex(ParseTree t) {
		if ( t==null ) return -1;
		ParseTree parent = t.getParent();
		if ( parent==null ) {
			return -1;
		}
		// Figure out which child index t is of parent
		for (int i = 0; i<parent.getChildCount(); i++) {
			if ( parent.getChild(i)==t ) {
				return i;
			}
		}
		return -1;
	}

	public static int rulealt(ParserRuleContext r) {
		return rulealt(r.getRuleIndex(), r.getAltNumber());