Examples with RuleAST org.antlr.v4.tool.ast.RuleAST used on opensource projects

Example 11 with RuleAST

use of org.antlr.v4.tool.ast.RuleAST in project antlr4 by antlr.

the class RuleCollector method discoverRule.

@Override
public void discoverRule(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, ActionAST arg, ActionAST returns, GrammarAST thrws, GrammarAST options, ActionAST locals, List<GrammarAST> actions, GrammarAST block) {
    int numAlts = block.getChildCount();
    Rule r;
    if (LeftRecursiveRuleAnalyzer.hasImmediateRecursiveRuleRefs(rule, ID.getText())) {
        r = new LeftRecursiveRule(g, ID.getText(), rule);
    } else {
        r = new Rule(g, ID.getText(), rule, numAlts);
    }
    rules.put(r.name, r);
    if (arg != null) {
        r.args = ScopeParser.parseTypedArgList(arg, arg.getText(), g);
        r.args.type = AttributeDict.DictType.ARG;
        r.args.ast = arg;
        arg.resolver = r.alt[currentOuterAltNumber];
    }
    if (returns != null) {
        r.retvals = ScopeParser.parseTypedArgList(returns, returns.getText(), g);
        r.retvals.type = AttributeDict.DictType.RET;
        r.retvals.ast = returns;
    }
    if (locals != null) {
        r.locals = ScopeParser.parseTypedArgList(locals, locals.getText(), g);
        r.locals.type = AttributeDict.DictType.LOCAL;
        r.locals.ast = locals;
    }
    for (GrammarAST a : actions) {
        // a = ^(AT ID ACTION)
        ActionAST action = (ActionAST) a.getChild(1);
        r.namedActions.put(a.getChild(0).getText(), action);
        action.resolver = r;
    }
}

Example 12 with RuleAST

use of org.antlr.v4.tool.ast.RuleAST in project antlr4 by antlr.

the class RuleCollector method discoverLexerRule.

@Override
public void discoverLexerRule(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, GrammarAST block) {
    int numAlts = block.getChildCount();
    Rule r = new Rule(g, ID.getText(), rule, numAlts);
    r.mode = currentModeName;
    if (!modifiers.isEmpty())
        r.modifiers = modifiers;
    rules.put(r.name, r);
}