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

Example 86 with ErrorQueue

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

the class BaseJavaTest 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 87 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";
    RuntimeTestUtils.mkdir(getTempDirPath());
    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(getTempDirPath(), "Level_" + level + "_1.g4", grammar1);
        if (level > 0) {
            String grammar2 = String.format(grammarFormat, level, 2, leafPrefix, level + 1, level + 1, level, 1);
            writeFile(getTempDirPath(), "Level_" + level + "_2.g4", grammar2);
        }
    }
    ErrorQueue equeue = BaseRuntimeTest.antlrOnString(getTempDirPath(), "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);
}

Example 88 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(getTempDirPath(), null, fileName, grammarStr, false);
        String actual = equeue.toString(true);
        actual = actual.replace(getTempDirPath() + 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);
    }
}