Examples with ATNState org.antlr.v4.runtime.atn.ATNState used on opensource projects

Example 91 with ATNState

use of org.antlr.v4.runtime.atn.ATNState in project antlr4 by tunnelvisionlabs.

the class ATNVisitor method visit_.

public void visit_(@NotNull ATNState s, @NotNull Set<Integer> visited) {
    if (!visited.add(s.stateNumber))
        return;
    visited.add(s.stateNumber);
    visitState(s);
    int n = s.getNumberOfTransitions();
    for (int i = 0; i < n; i++) {
        Transition t = s.transition(i);
        visit_(t.target, visited);
    }
}

Example 92 with ATNState

use of org.antlr.v4.runtime.atn.ATNState in project antlr4 by tunnelvisionlabs.

the class LexerATNFactory method action.

@Override
public Handle action(String action) {
    if (action.trim().isEmpty()) {
        ATNState left = newState(null);
        ATNState right = newState(null);
        epsilon(left, right);
        return new Handle(left, right);
    }
    // define action AST for this rule as if we had found in grammar
    ActionAST ast = new ActionAST(new CommonToken(ANTLRParser.ACTION, action));
    currentRule.defineActionInAlt(currentOuterAlt, ast);
    return action(ast);
}

Example 93 with ATNState

use of org.antlr.v4.runtime.atn.ATNState in project antlr4 by tunnelvisionlabs.

the class LexerATNFactory method action.

protected Handle action(GrammarAST node, LexerAction lexerAction) {
    ATNState left = newState(node);
    ATNState right = newState(node);
    boolean isCtxDependent = false;
    int lexerActionIndex = getLexerActionIndex(lexerAction);
    ActionTransition a = new ActionTransition(right, currentRule.index, lexerActionIndex, isCtxDependent);
    left.addTransition(a);
    node.atnState = left;
    Handle h = new Handle(left, right);
    return h;
}

Example 94 with ATNState

use of org.antlr.v4.runtime.atn.ATNState in project antlr4 by tunnelvisionlabs.

the class ParserATNFactory method wildcard.

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

Example 95 with ATNState

use of org.antlr.v4.runtime.atn.ATNState in project antlr4 by tunnelvisionlabs.

the class ParserATNFactory method addFollowLink.

public void addFollowLink(int ruleIndex, ATNState right) {
    // add follow edge from end of invoked rule
    RuleStopState stop = atn.ruleToStopState[ruleIndex];
    // System.out.println("add follow link from "+ruleIndex+" to "+right);
    epsilon(stop, right);
}