Examples with ANTLRMessage org.antlr.v4.tool.ANTLRMessage used on opensource projects

Example 16 with ANTLRMessage

use of org.antlr.v4.tool.ANTLRMessage in project antlr4 by antlr.

the class BasePythonTest method checkLexerDFA.

List<ANTLRMessage> checkLexerDFA(String gtext, String modeName, String expecting) throws Exception {
    ErrorQueue equeue = new ErrorQueue();
    LexerGrammar g = new LexerGrammar(gtext, equeue);
    g.atn = createATN(g, false);
    //		return equeue.all;
    return null;
}

Example 17 with ANTLRMessage

use of org.antlr.v4.tool.ANTLRMessage in project antlr4 by tunnelvisionlabs.

the class BaseTest method checkGrammarSemanticsError.

protected void checkGrammarSemanticsError(ErrorQueue equeue, GrammarSemanticsMessage expectedMessage) throws Exception {
    ANTLRMessage foundMsg = null;
    for (int i = 0; i < equeue.errors.size(); i++) {
        ANTLRMessage m = equeue.errors.get(i);
        if (m.getErrorType() == expectedMessage.getErrorType()) {
            foundMsg = m;
        }
    }
    assertNotNull("no error; " + expectedMessage.getErrorType() + " expected", foundMsg);
    assertTrue("error is not a GrammarSemanticsMessage", foundMsg instanceof GrammarSemanticsMessage);
    assertEquals(Arrays.toString(expectedMessage.getArgs()), Arrays.toString(foundMsg.getArgs()));
    if (equeue.size() != 1) {
        System.err.println(equeue);
    }
}

Example 18 with ANTLRMessage

use of org.antlr.v4.tool.ANTLRMessage in project antlr4 by tunnelvisionlabs.

the class BaseTest method checkRuleDFA.

List<ANTLRMessage> checkRuleDFA(String gtext, String ruleName, String expecting) throws Exception {
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(gtext, equeue);
    ATN atn = createATN(g, false);
    ATNState s = atn.ruleToStartState[g.getRule(ruleName).index];
    if (s == null) {
        System.err.println("no such rule: " + ruleName);
        return null;
    }
    ATNState t = s.transition(0).target;
    if (!(t instanceof DecisionState)) {
        System.out.println(ruleName + " has no decision");
        return null;
    }
    DecisionState blk = (DecisionState) t;
    checkRuleDFA(g, blk, expecting);
    return equeue.all;
}

Example 19 with ANTLRMessage

use of org.antlr.v4.tool.ANTLRMessage in project antlr4 by tunnelvisionlabs.

the class BaseTest method antlr.

protected ErrorQueue antlr(String grammarFileName, boolean defaultListener, String... extraOptions) {
    final List<String> options = new ArrayList<String>();
    Collections.addAll(options, extraOptions);
    if (!options.contains("-o")) {
        options.add("-o");
        options.add(tmpdir);
    }
    if (!options.contains("-lib")) {
        options.add("-lib");
        options.add(tmpdir);
    }
    if (!options.contains("-encoding")) {
        options.add("-encoding");
        options.add("UTF-8");
    }
    options.add(new File(tmpdir, grammarFileName).toString());
    final String[] optionsA = new String[options.size()];
    options.toArray(optionsA);
    Tool antlr = newTool(optionsA);
    ErrorQueue equeue = new ErrorQueue(antlr);
    antlr.addListener(equeue);
    if (defaultListener) {
        antlr.addListener(new DefaultToolListener(antlr));
    }
    antlr.processGrammarsOnCommandLine();
    if (!defaultListener && !equeue.errors.isEmpty()) {
        System.err.println("antlr reports errors from " + options);
        for (int i = 0; i < equeue.errors.size(); i++) {
            ANTLRMessage msg = equeue.errors.get(i);
            System.err.println(msg);
        }
        System.out.println("!!!\ngrammar:");
        try {
            System.out.println(new String(Utils.readFile(tmpdir + "/" + grammarFileName)));
        } catch (IOException ioe) {
            System.err.println(ioe.toString());
        }
        System.out.println("###");
    }
    if (!defaultListener && !equeue.warnings.isEmpty()) {
        System.err.println("antlr reports warnings from " + options);
        for (int i = 0; i < equeue.warnings.size(); i++) {
            ANTLRMessage msg = equeue.warnings.get(i);
            System.err.println(msg);
        }
    }
    if (!defaultListener && !equeue.warnings.isEmpty()) {
        System.err.println("antlr reports warnings from " + options);
        for (int i = 0; i < equeue.warnings.size(); i++) {
            ANTLRMessage msg = equeue.warnings.get(i);
            System.err.println(msg);
        }
    }
    return equeue;
}

Example 20 with ANTLRMessage

use of org.antlr.v4.tool.ANTLRMessage in project antlr4 by tunnelvisionlabs.

the class BaseTest method checkLexerDFA.

List<ANTLRMessage> checkLexerDFA(String gtext, String modeName, String expecting) throws Exception {
    ErrorQueue equeue = new ErrorQueue();
    LexerGrammar g = new LexerGrammar(gtext, equeue);
    g.atn = createATN(g, false);
    // return equeue.all;
    return null;
}