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

Example 56 with ErrorQueue

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

the class BaseNodeTest 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 57 with ErrorQueue

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

the class BaseNodeTest 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(), "JavaScript", grammarFileName, grammarStr, defaultListener, extraOptions);
    if (!equeue.errors.isEmpty()) {
        return false;
    }
    List<String> files = new ArrayList<String>();
    if (lexerName != null) {
        files.add(lexerName + ".js");
    }
    if (parserName != null) {
        files.add(parserName + ".js");
        Set<String> optionsSet = new HashSet<String>(Arrays.asList(extraOptions));
        if (!optionsSet.contains("-no-listener")) {
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Listener.js");
        }
        if (optionsSet.contains("-visitor")) {
            files.add(grammarFileName.substring(0, grammarFileName.lastIndexOf('.')) + "Visitor.js");
        }
    }
    // allIsWell: no compile
    return true;
}

Example 58 with ErrorQueue

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

the class BaseSwiftTest method rawGenerateRecognizer.

/**
	 * Return true if all is well
	 */
private boolean rawGenerateRecognizer(String grammarFileName, String grammarStr, String parserName, String lexerName, boolean defaultListener, String... extraOptions) {
    ErrorQueue equeue = antlrOnString(getTmpDir(), "Swift", grammarFileName, grammarStr, defaultListener, extraOptions);
    if (!equeue.errors.isEmpty()) {
        return false;
    }
    List<String> files = new ArrayList<String>();
    if (lexerName != null) {
        files.add(lexerName + ".swift");
        files.add(lexerName + "ATN.swift");
    }
    if (parserName != null) {
        files.add(parserName + ".swift");
        files.add(parserName + "ATN.swift");
        Set<String> optionsSet = new HashSet<String>(Arrays.asList(extraOptions));
        String grammarName = grammarFileName.substring(0, grammarFileName.lastIndexOf('.'));
        if (!optionsSet.contains("-no-listener")) {
            files.add(grammarName + "Listener.swift");
            files.add(grammarName + "BaseListener.swift");
        }
        if (optionsSet.contains("-visitor")) {
            files.add(grammarName + "Visitor.swift");
            files.add(grammarName + "BaseVisitor.swift");
        }
    }
    addSourceFiles(files.toArray(new String[files.size()]));
    return true;
}

Example 59 with ErrorQueue

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

the class BaseJavaToolTest method testErrors.

public void testErrors(String[] pairs, boolean printTree) {
    for (int i = 0; i < pairs.length; i += 2) {
        String grammarStr = pairs[i];
        String expect = pairs[i + 1];
        String[] lines = grammarStr.split("\n");
        String fileName = getFilenameFromFirstLineOfGrammar(lines[0]);
        // use default language target in case test overrides
        ErrorQueue equeue = BaseRuntimeTest.antlrOnString(tmpdir, null, fileName, grammarStr, false);
        String actual = equeue.toString(true);
        actual = actual.replace(tmpdir + File.separator, "");
        //			System.err.println(actual);
        String msg = grammarStr;
        msg = msg.replace("\n", "\\n");
        msg = msg.replace("\r", "\\r");
        msg = msg.replace("\t", "\\t");
        assertEquals("error in: " + msg, expect, actual);
    }
}

Example 60 with ErrorQueue

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

the class TestPerformance method testExponentialInclude.

@Test(timeout = 20000)
public void testExponentialInclude() {
    String grammarFormat = "parser grammar Level_%d_%d;\n" + "\n" + "%s import Level_%d_1, Level_%d_2;\n" + "\n" + "rule_%d_%d : EOF;\n";
    BaseRuntimeTest.mkdir(tmpdir);
    long startTime = System.nanoTime();
    int levels = 20;
    for (int level = 0; level < levels; level++) {
        String leafPrefix = level == levels - 1 ? "//" : "";
        String grammar1 = String.format(grammarFormat, level, 1, leafPrefix, level + 1, level + 1, level, 1);
        writeFile(tmpdir, "Level_" + level + "_1.g4", grammar1);
        if (level > 0) {
            String grammar2 = String.format(grammarFormat, level, 2, leafPrefix, level + 1, level + 1, level, 1);
            writeFile(tmpdir, "Level_" + level + "_2.g4", grammar2);
        }
    }
    ErrorQueue equeue = BaseRuntimeTest.antlrOnString(tmpdir, "Java", "Level_0_1.g4", false);
    Assert.assertTrue(equeue.errors.isEmpty());
    long endTime = System.nanoTime();
    System.out.format("%s milliseconds.%n", (endTime - startTime) / 1000000.0);
}