public void testErrors(String[] pairs, boolean printTree) {
for (int i = 0; i < pairs.length; i += 2) {
String input = pairs[i];
String expect = pairs[i + 1];
ErrorQueue equeue = new ErrorQueue();
Grammar g = null;
try {
String[] lines = input.split("\n");
String fileName = getFilenameFromFirstLineOfGrammar(lines[0]);
g = new Grammar(fileName, input, equeue);
} catch (org.antlr.runtime.RecognitionException re) {
re.printStackTrace(System.err);
}
String actual = equeue.toString(g.tool);
System.err.println(actual);
String msg = input;
msg = msg.replaceAll("\n", "\\\\n");
msg = msg.replaceAll("\r", "\\\\r");
msg = msg.replaceAll("\t", "\\\\t");
// ignore error number
expect = stripErrorNum(expect);
actual = stripErrorNum(actual);
assertEquals("error in: " + msg, expect, actual);
}
}
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.errorType == expectedMessage.errorType) {
foundMsg = m;
}
}
assertNotNull("no error; " + expectedMessage.errorType + " expected", foundMsg);
assertTrue(
"error is not a GrammarSemanticsMessage", foundMsg instanceof GrammarSemanticsMessage);
assertEquals(Arrays.toString(expectedMessage.args), Arrays.toString(foundMsg.args));
if (equeue.size() != 1) {
System.err.println(equeue);
}
}