Examples with ErrorQueue org.antlr.v4.test.runtime.ErrorQueue used on opensource projects

Example 61 with ErrorQueue

use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.

the class BaseJavaTest method checkRuleDFA.

List<ANTLRMessage> checkRuleDFA(String gtext, int decision, String expecting) throws Exception {
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(gtext, equeue);
    ATN atn = createATN(g, false);
    DecisionState blk = atn.decisionToState.get(decision);
    checkRuleDFA(g, blk, expecting);
    return equeue.all;
}

Example 62 with ErrorQueue

use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.

the class BaseCppTest method rawGenerateAndBuildRecognizer.

/** Return true if all is well */
protected boolean rawGenerateAndBuildRecognizer(String grammarFileName, String grammarStr, String parserName, String lexerName, boolean defaultListener, String... extraOptions) {
    ErrorQueue equeue = antlrOnString(getTmpDir(), "Cpp", grammarFileName, grammarStr, defaultListener, extraOptions);
    if (!equeue.errors.isEmpty()) {
        return false;
    }
    List<String> files = new ArrayList<String>();
    if (lexerName != null) {
        files.add(lexerName + ".cpp");
        files.add(lexerName + ".h");
    }
    if (parserName != null) {
        files.add(parserName + ".cpp");
        files.add(parserName + ".h");
        Set<String> optionsSet = new HashSet<String>(Arrays.asList(extraOptions));
        if (!optionsSet.contains("-no-listener")) {
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Listener.cpp");
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Listener.h");
        }
        if (optionsSet.contains("-visitor")) {
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Visitor.cpp");
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Visitor.h");
        }
    }
    // allIsWell: no compile
    return true;
}

Example 63 with ErrorQueue

use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.

the class BaseCppTest method checkRuleDFA.

List<ANTLRMessage> checkRuleDFA(String gtext, int decision, String expecting) throws Exception {
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(gtext, equeue);
    ATN atn = createATN(g, false);
    DecisionState blk = atn.decisionToState.get(decision);
    checkRuleDFA(g, blk, expecting);
    return equeue.all;
}

Example 64 with ErrorQueue

use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.

the class BaseCppTest method checkGrammarSemanticsWarning.

protected void checkGrammarSemanticsWarning(ErrorQueue equeue, GrammarSemanticsMessage expectedMessage) throws Exception {
    ANTLRMessage foundMsg = null;
    for (int i = 0; i < equeue.warnings.size(); i++) {
        ANTLRMessage m = equeue.warnings.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 65 with ErrorQueue

use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.

the class BaseCppTest method testActions.

public void testActions(String templates, String actionName, String action, String expected) throws org.antlr.runtime.RecognitionException {
    int lp = templates.indexOf('(');
    String name = templates.substring(0, lp);
    STGroup group = new STGroupString(templates);
    ST st = group.getInstanceOf(name);
    st.add(actionName, action);
    String grammar = st.render();
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(grammar, equeue);
    if (g.ast != null && !g.ast.hasErrors) {
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        ATNFactory factory = new ParserATNFactory(g);
        if (g.isLexer())
            factory = new LexerATNFactory((LexerGrammar) g);
        g.atn = factory.createATN();
        CodeGenerator gen = new CodeGenerator(g);
        ST outputFileST = gen.generateParser();
        String output = outputFileST.render();
        //System.out.println(output);
        String b = "#" + actionName + "#";
        int start = output.indexOf(b);
        String e = "#end-" + actionName + "#";
        int end = output.indexOf(e);
        String snippet = output.substring(start + b.length(), end);
        assertEquals(expected, snippet);
    }
    if (equeue.size() > 0) {
        System.err.println(equeue.toString());
    }
}