public static void main(String[] args) throws Exception {
CharStream in = new ANTLRFileStream(args[0]);
MicroLexer lexer = new MicroLexer(in);
CommonTokenStream tks = new CommonTokenStream(lexer);
MicroParser psr = new MicroParser(tks);
ParseTreeWalker walker = new ParseTreeWalker();
ExtractionListener extractor = new ExtractionListener(psr);
psr.setErrorHandler(new BailErrorStrategy());
ParseTree t;
try {
t = psr.program();
} catch (Exception fpe) {
fpe.printStackTrace();
System.out.println("Not accepted");
return;
}
walker.walk(extractor, t);
TinyGenerator asmgen = new TinyGenerator(extractor.getIRList());
// Utils.printSymbolTable(extractor.getRootSymbolTable());
Utils.printIR(extractor.getIRList());
asmgen.printAll();
}
@Test
public void sampleTest() {
String input =
"C,, D,, E,, F,, | G,, A,, B,, C, | "
+ "C, D, E, F, | G, A, B, C | "
+ "C D E F | G A B c "
+ "| c d e f | g a b c' | "
+ "c' d' e' f' | g' a' b' c''\n";
CharStream stream = new ANTLRInputStream(input);
MusicGrammarLexer lexer = new MusicGrammarLexer(stream);
lexer.reportErrorsAsExceptions();
TokenStream tokens = new CommonTokenStream(lexer);
MusicGrammarParser parser = new MusicGrammarParser(tokens);
parser.reportErrorsAsExceptions();
ParseTree tree = parser.root();
ParseTreeWalker walker = new ParseTreeWalker();
ConstructMusic listener = new ConstructMusic(new HeaderInfo());
walker.walk(listener, tree);
Music sample = listener.getExpression();
try {
SequencePlayer player = new SequencePlayer(140, 12);
sample.play(player, 0);
player.play();
Thread.sleep((long) sample.duration() * 1000);
} catch (MidiUnavailableException | InvalidMidiDataException e) {
e.printStackTrace();
} catch (InterruptedException uie) {
uie.printStackTrace();
}
}
@Test
public void sampleTest2() {
String input =
"d^f^f ^cee|de^f g^fe|d^f^f ^cee|d^fe dBA|\n"
+ "d^f^f ^cee|de^f g^fe|^fa^f g^fe|[1 d^fe dBA:|[2 d^fe d^cB|]\n"
+ "A3 B3|g^fe ^fdB|A^FA B2^c|d^fe d^cB|\n"
+ "A3 B3|e^fe e^fg|^fa^f g^fe|[1 d^fe d^cB:|[2 d^fe dBA|]\n"
+ "^fAA eAA| de^f g^fe|^fAA eAA|d^fe dBA|\n"
+ "^fAA eAA| de^f g^fe|^fa^f g^fe|d^fe dBA:|\n";
CharStream stream = new ANTLRInputStream(RepeatHandler.handleRepeats(input));
MusicGrammarLexer lexer = new MusicGrammarLexer(stream);
lexer.reportErrorsAsExceptions();
TokenStream tokens = new CommonTokenStream(lexer);
MusicGrammarParser parser = new MusicGrammarParser(tokens);
parser.reportErrorsAsExceptions();
ParseTree tree = parser.root();
ParseTreeWalker walker = new ParseTreeWalker();
ConstructMusic listener = new ConstructMusic(new HeaderInfo());
walker.walk(listener, tree);
Music sample = listener.getExpression();
try {
SequencePlayer player = new SequencePlayer(200, 12);
sample.play(player, 0);
player.play();
Thread.sleep((long) sample.duration() * 1000);
} catch (MidiUnavailableException | InvalidMidiDataException e) {
e.printStackTrace();
} catch (InterruptedException uie) {
uie.printStackTrace();
}
}
public static void main(String[] args) throws IOException {
if (args.length < 2) {
usage();
}
boolean useTimeoutChecker = false;
for (int i = 2; i < args.length; ++i) {
String o = args[i];
if (o.equals("-timeout")) {
useTimeoutChecker = true;
} else {
usage();
}
}
final Map<Integer, String> incOfMethod;
final List<String> counters;
try (FileInputStream fis = new FileInputStream(args[0])) {
ANTLRInputStream input = new ANTLRInputStream(fis);
Java7Lexer lexer = new Java7Lexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
Java7Parser parser = new Java7Parser(tokens);
ParseTree tree = parser.compilationUnit();
Java7Profiler listener = new Java7Profiler(tokens, useTimeoutChecker);
ParseTreeWalker walker = new ParseTreeWalker();
walker.walk(listener, tree);
incOfMethod = listener.incOfMethod;
counters = listener.counters;
}
try (BufferedReader input = new BufferedReader(new FileReader(args[0]));
PrintWriter output = new PrintWriter(args[1])) {
new Reader(useTimeoutChecker)
.run(
incOfMethod, counters, input, output, classNameFrom(args[0]), classNameFrom(args[1]));
}
}
@Override
protected void parse(File sourceFile) throws ParseException {
try {
GrammarConfiguration configuration =
LanguageBase.createGrammarConfiguration(
sourceFile, PHPLexer.class, PHPParser.class, new DefaultErrorListener(sourceFile));
ParseTree tree = ((PHPParser) configuration.parser).htmlDocument();
ParseTreeWalker walker = new ParseTreeWalker();
walker.walk(new PHPParseTreeListener(this), tree);
} catch (Exception e) {
throw new ParseException(e);
}
}
int listenerWay() {
CharStream stream = new ANTLRInputStream(EXPRESSION);
CalculatorLexer lexer = new CalculatorLexer(stream);
CommonTokenStream tokenStream = new CommonTokenStream(lexer);
CalculatorParser parser = new CalculatorParser(tokenStream);
// System.out.println(parser.c());
ParseTree tree = parser.c();
ParseTreeWalker walker = new ParseTreeWalker();
CalculatorWalker calcWalker = new CalculatorWalker();
walker.walk(calcWalker, tree);
return calcWalker.getSum();
}
public static void main(String[] args) throws IOException {
System.err.close();
// ANTLRInputStream input = new ANTLRInputStream( new FileInputStream( new File(args[0])) );
ANTLRInputStream input = new ANTLRInputStream(new InputStreamReader(System.in));
XsLogLexer lexer = new XsLogLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
XsLogParser parser = new XsLogParser(tokens);
ParseTree tree = parser.xsLog();
ParseTreeWalker walker = new ParseTreeWalker();
walker.walk(new SipPrinterListener(), tree);
}
@Test
public void shouldDetectQueryWithOrderAscClause() {
InfluxQueryParser parser = parserFactory.newInstanceForQuery("select a from b order asc");
parseTreeWalker.walk(definitionsParser, parser.selectQuery());
SelectQueryDefinitions definitions = definitionsParser.getSelectQueryDefinitions();
assertFalse(definitions.isOrderDesc());
}
/** Test of AST Generation of class IntegerComparisonNode. */
@Test
public void testAstGeneration() {
System.out.println("BooleanLiteralNode - testAstGeneration");
final BooleanLiteralNode literal = new BooleanLiteralNode(true);
final String inputRuleset = literal.toRulenode();
System.out.printf("Input Ruleset: %s\n", inputRuleset);
final ANTLRInputStream inStream = new ANTLRInputStream(inputRuleset);
final HCleanLexer lexer = new HCleanLexer(inStream);
final CommonTokenStream tokenStream = new CommonTokenStream(lexer);
final HCleanParser parser = new HCleanParser(tokenStream);
final ParseTreeWalker walker = new ParseTreeWalker();
final RuleListener listener = new RuleListener();
final ParseTree parseTree = parser.booleanLiteral();
walker.walk(listener, parseTree);
final String outputRuleSet = listener.peekStack().toRulenode();
System.out.printf("Expected: %s\n", inputRuleset);
System.out.printf(" Result: %s\n", outputRuleSet);
assertEquals(inputRuleset, outputRuleSet);
}
/**
* Return a complete RulePacket describing the definition expressed in the given string. Event
* attributes, even for different event types, with the same name must have the same ValType (INT,
* FLOAT, BOOL or STRING)
*
* @param rule: a String expressing the definition of the rule in TESLA
* @return a RulePacket
*/
public static RulePkt parse(String rule, int index) {
ANTLRInputStream input = new ANTLRInputStream(rule);
TESLALexer lexer = new TESLALexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
TESLAParser parser = new TESLAParser(tokens);
ParseTree t = parser.trex_rule();
ParseTreeWalker walker = new ParseTreeWalker(); // create standard walker
TRexRuleParser extractor = new TRexRuleParser();
walker.walk(extractor, t); // initiate walk of tree with listener
RulePkt res = extractor.getRule();
// debug
Map<String, Integer> evt_ids = extractor.getPredicatesMap();
System.out.println("### NAMES -> IDS mapping ###\n");
for (String evtName : evt_ids.keySet()) {
System.out.println(evtName + " -> " + evt_ids.get(evtName));
}
System.out.println("\n### END ###");
return res;
}
public static void main(String[] args) throws Exception {
String inputFile = null;
if (args.length > 0) inputFile = args[0];
InputStream is = System.in;
if (inputFile != null) {
is = new FileInputStream(inputFile);
}
ANTLRInputStream input = new ANTLRInputStream(is);
PropertyFileLexer lexer = new PropertyFileLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
PropertyFileParser parser = new PropertyFileParser(tokens);
ParseTree tree = parser.file();
// create a standard ANTLR parse tree walker
ParseTreeWalker walker = new ParseTreeWalker();
// create listener then feed to walker
PropertyFileLoader loader = new PropertyFileLoader();
walker.walk(loader, tree); // walk parse tree
System.out.println(loader.props); // print results
}
@Test
public void shouldDetectTimespan() {
InfluxQueryParser parser = parserFactory.newInstanceForQuery(queryText);
parseTreeWalker.walk(definitionsParser, parser.selectQuery());
SelectQueryDefinitions definitions = definitionsParser.getSelectQueryDefinitions();
GroupByClause groupByClause = definitions.getGroupByClause();
assertEquals("time", groupByClause.getBucketType());
assertEquals(bucketSize, groupByClause.getBucketSize());
assertEquals(bucketSizeUnit, groupByClause.getBucketSizeUnit());
}
/**
* Parst einen Text und erstellt eine Liste mit Eigenschaften
*
* @param text - zu parsender Text
* @return Liste mit Texteigenschaften
*/
public List<Integer> parseText(File text) {
CharStream input = null;
BufferedReader reader;
try {
reader = new BufferedReader(new InputStreamReader(new FileInputStream(text)));
input = new ANTLRInputStream(reader);
} catch (IOException e) {
e.printStackTrace();
}
SyntaxLexer lexer = new SyntaxLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
SyntaxParser parser = new SyntaxParser(tokens);
ParseTree tree = parser.stat();
ParseTreeWalker walker = new ParseTreeWalker(); // create standard walker
List<Integer> list = new LinkedList<>();
AnalysisListener extractor = new AnalysisListener(list);
walker.walk(extractor, tree);
return list;
}
/**
* Mit dieser Methode werden die Merkmale aus den Texte herausgelesen und in eine CSV-Datei
* gespeichert.
*
* @param texte - Eine Liste von Texten die Analysiert werden sollen.
* @param name - Name der CSV-Datei.
*/
private static void texteEinlesen(File[] texte, String name) {
CharStream input = null;
BufferedReader reader;
for (int i = 0; i < texte.length; i++) {
try {
reader = new BufferedReader(new InputStreamReader(new FileInputStream(texte[i])));
input = new ANTLRInputStream(reader);
} catch (IOException e) {
e.printStackTrace();
}
SyntaxLexer lexer = new SyntaxLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
SyntaxParser parser = new SyntaxParser(tokens);
ParseTree tree = parser.stat();
ParseTreeWalker walker = new ParseTreeWalker(); // create standard
// walker
List<Integer> list = new LinkedList<>();
AnalysisListener extractor = new AnalysisListener(list);
walker.walk(extractor, tree);
saveToCSV(name, list);
}
}
/**
* This function is supposed to be called directly only from PydmlSyntacticValidator when it
* encounters 'import'
*
* @param fileName
* @return null if atleast one error
*/
public DMLProgram doParse(String fileName, String dmlScript, HashMap<String, String> argVals)
throws ParseException {
DMLProgram dmlPgm = null;
ANTLRInputStream in;
try {
if (dmlScript == null) {
dmlScript = DMLParserWrapper.readDMLScript(fileName);
}
InputStream stream = new ByteArrayInputStream(dmlScript.getBytes());
in = new org.antlr.v4.runtime.ANTLRInputStream(stream);
// else {
// if(!(new File(fileName)).exists()) {
// throw new ParseException("ERROR: Cannot open file:" + fileName);
// }
// in = new ANTLRInputStream(new FileInputStream(fileName));
// }
} catch (FileNotFoundException e) {
throw new ParseException("ERROR: Cannot find file:" + fileName);
} catch (IOException e) {
throw new ParseException("ERROR: Cannot open file:" + fileName);
} catch (LanguageException e) {
throw new ParseException("ERROR: " + e.getMessage());
}
PmlprogramContext ast = null;
CustomDmlErrorListener errorListener = new CustomDmlErrorListener();
try {
PydmlLexer lexer = new PydmlLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
PydmlParser antlr4Parser = new PydmlParser(tokens);
boolean tryOptimizedParsing =
false; // For now no optimization, since it is not able to parse integer value.
if (tryOptimizedParsing) {
// Try faster and simpler SLL
antlr4Parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
antlr4Parser.removeErrorListeners();
antlr4Parser.setErrorHandler(new BailErrorStrategy());
try {
ast = antlr4Parser.pmlprogram();
// If successful, no need to try out full LL(*) ... SLL was enough
} catch (ParseCancellationException ex) {
// Error occurred, so now try full LL(*) for better error messages
tokens.reset();
antlr4Parser.reset();
if (fileName != null) {
errorListener.pushCurrentFileName(fileName);
} else {
errorListener.pushCurrentFileName("MAIN_SCRIPT");
}
// Set our custom error listener
antlr4Parser.addErrorListener(errorListener);
antlr4Parser.setErrorHandler(new DefaultErrorStrategy());
antlr4Parser.getInterpreter().setPredictionMode(PredictionMode.LL);
ast = antlr4Parser.pmlprogram();
}
} else {
// Set our custom error listener
antlr4Parser.removeErrorListeners();
antlr4Parser.addErrorListener(errorListener);
errorListener.pushCurrentFileName(fileName);
// Now do the parsing
ast = antlr4Parser.pmlprogram();
}
} catch (Exception e) {
throw new ParseException("ERROR: Cannot parse the program:" + fileName);
}
try {
// Now convert the parse tree into DMLProgram
// Do syntactic validation while converting
ParseTree tree = ast;
// And also do syntactic validation
ParseTreeWalker walker = new ParseTreeWalker();
PydmlSyntacticValidatorHelper helper = new PydmlSyntacticValidatorHelper(errorListener);
PydmlSyntacticValidator validator = new PydmlSyntacticValidator(helper, fileName, argVals);
walker.walk(validator, tree);
errorListener.popFileName();
if (errorListener.isAtleastOneError()) {
return null;
}
dmlPgm = createDMLProgram(ast);
} catch (Exception e) {
throw new ParseException(
"ERROR: Cannot translate the parse tree into DMLProgram:" + e.getMessage());
}
return dmlPgm;
}
