Examples with IntegerList org.antlr.v4.runtime.misc.IntegerList used on opensource projects

Example 6 with IntegerList

use of org.antlr.v4.runtime.misc.IntegerList in project antlr4 by antlr.

the class BaseBrowserTest method getTypesFromString.

IntegerList getTypesFromString(Grammar g, String expecting) {
    IntegerList expectingTokenTypes = new IntegerList();
    if (expecting != null && !expecting.trim().isEmpty()) {
        for (String tname : expecting.replace(" ", "").split(",")) {
            int ttype = g.getTokenType(tname);
            expectingTokenTypes.add(ttype);
        }
    }
    return expectingTokenTypes;
}

Example 7 with IntegerList

use of org.antlr.v4.runtime.misc.IntegerList in project antlr4 by tunnelvisionlabs.

the class TestATNInterpreter method checkMatchedAlt.

public void checkMatchedAlt(LexerGrammar lg, final Grammar g, String inputString, int expected) {
    ATN lexatn = createATN(lg, true);
    LexerATNSimulator lexInterp = new LexerATNSimulator(lexatn);
    IntegerList types = getTokenTypesViaATN(inputString, lexInterp);
    System.out.println(types);
    g.importVocab(lg);
    ParserATNFactory f = new ParserATNFactory(g);
    ATN atn = f.createATN();
    IntTokenStream input = new IntTokenStream(types);
    System.out.println("input=" + input.types);
    ParserInterpreterForTesting interp = new ParserInterpreterForTesting(g, input);
    ATNState startState = atn.ruleToStartState[g.getRule("a").index];
    if (startState.transition(0).target instanceof BlockStartState) {
        startState = startState.transition(0).target;
    }
    DOTGenerator dot = new DOTGenerator(g);
    System.out.println(dot.getDOT(atn.ruleToStartState[g.getRule("a").index]));
    Rule r = g.getRule("e");
    if (r != null)
        System.out.println(dot.getDOT(atn.ruleToStartState[r.index]));
    int result = interp.matchATN(input, startState);
    assertEquals(expected, result);
}

Example 8 with IntegerList

use of org.antlr.v4.runtime.misc.IntegerList in project antlr4 by tunnelvisionlabs.

the class TestATNParserPrediction method checkDFAConstruction.

public void checkDFAConstruction(LexerGrammar lg, Grammar g, int decision, String[] inputString, String[] dfaString) {
    // Tool.internalOption_ShowATNConfigsInDFA = true;
    ATN lexatn = createATN(lg, true);
    LexerATNSimulator lexInterp = new LexerATNSimulator(lexatn);
    semanticProcess(lg);
    g.importVocab(lg);
    semanticProcess(g);
    ParserInterpreterForTesting interp = new ParserInterpreterForTesting(g, null);
    for (int i = 0; i < inputString.length; i++) {
        // Check DFA
        IntegerList types = getTokenTypesViaATN(inputString[i], lexInterp);
        System.out.println(types);
        TokenStream input = new IntTokenStream(types);
        try {
            interp.adaptivePredict(input, decision, ParserRuleContext.emptyContext());
        } catch (NoViableAltException nvae) {
            nvae.printStackTrace(System.err);
        }
        DFA dfa = interp.getATNSimulator().atn.decisionToDFA[decision];
        assertEquals(dfaString[i], dfa.toString(g.getVocabulary(), g.rules.keySet().toArray(new String[g.rules.size()])));
    }
}

Example 9 with IntegerList

use of org.antlr.v4.runtime.misc.IntegerList in project antlr4 by tunnelvisionlabs.

the class BaseTest method getTypesFromString.

// public void minimizeDFA(DFA dfa) {
// DFAMinimizer dmin = new DFAMinimizer(dfa);
// dfa.minimized = dmin.minimize();
// }
IntegerList getTypesFromString(Grammar g, String expecting) {
    IntegerList expectingTokenTypes = new IntegerList();
    if (expecting != null && !expecting.trim().isEmpty()) {
        for (String tname : expecting.replace(" ", "").split(",")) {
            int ttype = g.getTokenType(tname);
            expectingTokenTypes.add(ttype);
        }
    }
    return expectingTokenTypes;
}

Example 10 with IntegerList

use of org.antlr.v4.runtime.misc.IntegerList in project antlr4 by tunnelvisionlabs.

the class TestIntegerList method emptyListToEmptyCharArray.

@Test
public void emptyListToEmptyCharArray() {
    IntegerList l = new IntegerList();
    assertArrayEquals(new char[0], Utils.toCharArray(l));
}