Examples with Wildcard org.antlr.v4.codegen.model.Wildcard used on opensource projects

Example 11 with Wildcard

use of org.antlr.v4.codegen.model.Wildcard in project antlr4 by antlr.

the class ParserATNFactory method wildcard.

/**
 * Build an atom with all possible values in its label.
 */
@Override
public Handle wildcard(GrammarAST node) {
    ATNState left = newState(node);
    ATNState right = newState(node);
    left.addTransition(new WildcardTransition(right));
    node.atnState = left;
    return new Handle(left, right);
}

Example 12 with Wildcard

use of org.antlr.v4.codegen.model.Wildcard in project antlr4 by antlr.

the class ParserFactory method wildcard.

@Override
public List<SrcOp> wildcard(GrammarAST ast, GrammarAST labelAST) {
    Wildcard wild = new Wildcard(this, ast);
    // TODO: dup with tokenRef
    if (labelAST != null) {
        String label = labelAST.getText();
        Decl d = getTokenLabelDecl(label);
        wild.labels.add(d);
        getCurrentRuleFunction().addContextDecl(ast.getAltLabel(), d);
        if (labelAST.parent.getType() == ANTLRParser.PLUS_ASSIGN) {
            TokenListDecl l = getTokenListLabelDecl(label);
            getCurrentRuleFunction().addContextDecl(ast.getAltLabel(), l);
        }
    }
    if (controller.needsImplicitLabel(ast, wild))
        defineImplicitLabel(ast, wild);
    AddToLabelList listLabelOp = getAddToListOpIfListLabelPresent(wild, labelAST);
    return list(wild, listLabelOp);
}