use of org.snt.inmemantlr.exceptions.ParsingException in project inmemantlr by julianthome.
the class TestNonCombinedGrammar method testParserLexer.
@Test
public void testParserLexer() throws IOException {
LOGGER.debug("Test multi file parsing");
File[] files = { new File(getClass().getClassLoader().getResource("inmemantlr/MySQLLexer.g4").getFile()), new File(getClass().getClassLoader().getResource("inmemantlr/MySQLParser.g4").getFile()) };
GenericParser gp = new GenericParser(files);
DefaultTreeListener t = new DefaultTreeListener();
gp.setListener(t);
boolean compile;
try {
gp.compile();
compile = true;
} catch (CompilationException e) {
compile = false;
}
Assertions.assertTrue(compile);
try {
ParseTree parseTree;
gp.parse("select a from b;");
parseTree = t.getParseTree();
Assertions.assertEquals(parseTree.getNodes().size(), 13);
LOGGER.debug(parseTree.toDot());
} catch (IllegalWorkflowException | ParsingException e) {
LOGGER.error(e.getMessage(), e);
}
}
use of org.snt.inmemantlr.exceptions.ParsingException in project inmemantlr by julianthome.
the class TestParseTreeProcessor method testProcessor.
@Test
public void testProcessor() {
GenericParser gp = new GenericParser(sgrammarcontent);
boolean compile;
try {
gp.compile();
compile = true;
} catch (CompilationException e) {
compile = false;
}
Assertions.assertTrue(compile);
Assertions.assertTrue(s != null && !s.isEmpty());
DefaultTreeListener dlist = new DefaultTreeListener();
gp.setListener(dlist);
try {
gp.parse(s);
} catch (IllegalWorkflowException | ParsingException e) {
Assertions.assertTrue(false);
}
ParseTree parseTree = dlist.getParseTree();
// Process the tree bottom up
ParseTreeProcessor<String, String> processor = new ParseTreeProcessor<String, String>(parseTree) {
int cnt = 0;
@Override
public String getResult() {
return String.valueOf(cnt);
}
@Override
protected void initialize() {
for (ParseTreeNode n : this.parseTree.getNodes()) {
smap.put(n, "");
}
}
@Override
protected void process(ParseTreeNode n) {
cnt++;
simpleProp(n);
Assertions.assertTrue(getElement(n) != null);
}
};
try {
processor.process();
} catch (ParseTreeProcessorException e) {
Assertions.assertFalse(true);
}
Assertions.assertTrue(processor.debug() != null);
}
use of org.snt.inmemantlr.exceptions.ParsingException in project inmemantlr by julianthome.
the class TestSimple method testLogic.
@Test
public void testLogic() throws IOException {
try (InputStream sgrammar = getClass().getClassLoader().getResourceAsStream("inmemantlr/Logic.g4")) {
sgrammarcontent = FileUtils.getStringFromStream(sgrammar);
}
String toParse = "hello";
GenericParser gp = new GenericParser(sgrammarcontent);
DefaultTreeListener t = new DefaultTreeListener();
gp.setListener(t);
boolean compile;
try {
gp.compile();
compile = true;
} catch (CompilationException e) {
compile = false;
LOGGER.debug(e.getMessage());
}
Assertions.assertTrue(compile);
try {
gp.parse(toParse);
} catch (IllegalWorkflowException | ParsingException e) {
assert false;
}
ParseTree a = t.getParseTree();
Assertions.assertEquals(a.getNodes().size(), 4);
LOGGER.debug(ParseTreeSerializer.INSTANCE.toDot(a, true));
}
use of org.snt.inmemantlr.exceptions.ParsingException in project inmemantlr by julianthome.
the class TestSimple method testInterpreter.
@Test
public void testInterpreter() throws IOException {
try (InputStream sgrammar = getClass().getClassLoader().getResourceAsStream("inmemantlr/Simple.g4")) {
sgrammarcontent = FileUtils.getStringFromStream(sgrammar);
}
GenericParser gp = new GenericParser(sgrammarcontent);
DefaultTreeListener t = new DefaultTreeListener();
gp.setListener(t);
boolean compile;
try {
gp.compile();
compile = true;
} catch (CompilationException e) {
compile = false;
}
Assertions.assertTrue(compile);
// this example shows you how one could use inmemantlr for incremental parsing
try {
ParseTree parseTree;
gp.parse("PRINT a+b");
parseTree = t.getParseTree();
LOGGER.debug(parseTree.toDot());
Assertions.assertEquals(parseTree.getNodes().size(), 6);
gp.parse("PRINT \"test\"");
parseTree = t.getParseTree();
LOGGER.debug(parseTree.toDot());
Assertions.assertEquals(parseTree.getNodes().size(), 4);
} catch (IllegalWorkflowException | ParsingException e) {
LOGGER.error(e.getMessage(), e);
}
}
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