Java Code Examples for org.antlr.v4.runtime.Lexer#setInterpreter()

The following examples show how to use org.antlr.v4.runtime.Lexer#setInterpreter() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JavaFileParser.java    From depends with MIT License 6 votes vote down vote up 
@Override
public void parse() throws IOException {
       CharStream input = CharStreams.fromFileName(fileFullPath);
       Lexer lexer = new JavaLexer(input);
       lexer.setInterpreter(new LexerATNSimulator(lexer, lexer.getATN(), lexer.getInterpreter().decisionToDFA, new PredictionContextCache()));
       CommonTokenStream tokens = new CommonTokenStream(lexer);
       JavaParser parser = new JavaParser(tokens);
       ParserATNSimulator interpreter = new ParserATNSimulator(parser, parser.getATN(), parser.getInterpreter().decisionToDFA, new PredictionContextCache());
       parser.setInterpreter(interpreter);
       JavaListener bridge = new JavaListener(fileFullPath, entityRepo,inferer);
    ParseTreeWalker walker = new ParseTreeWalker();
    try {
    	walker.walk(bridge, parser.compilationUnit());
		Entity fileEntity = entityRepo.getEntity(fileFullPath);
		((FileEntity)fileEntity).cacheAllExpressions();
		interpreter.clearDFA();
		bridge.done();
    	
    }catch (Exception e) {
    	System.err.println("error encountered during parse..." );
    	e.printStackTrace();
    }
    
   }
Example 2
Source File: AntlrATNCacheFields.java    From presto with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("ObjectEquality")
public void configureLexer(Lexer lexer)
{
    requireNonNull(lexer, "lexer is null");
    // Intentional identity equals comparison
    checkArgument(atn == lexer.getATN(), "Lexer ATN mismatch: expected %s, found %s", atn, lexer.getATN());
    lexer.setInterpreter(new LexerATNSimulator(lexer, atn, decisionToDFA, predictionContextCache));
}