Examples with CodeGenerator org.antlr.v4.codegen.CodeGenerator used on opensource projects

Example 21 with CodeGenerator

use of org.antlr.v4.codegen.CodeGenerator in project antlr4 by tunnelvisionlabs.

the class OutputModelController method buildLexerOutputModel.

public OutputModelObject buildLexerOutputModel(boolean header) {
    CodeGenerator gen = delegate.getGenerator();
    LexerFile file = lexerFile(gen.getRecognizerFileName(header));
    setRoot(file);
    file.lexer = lexer(file);
    Grammar g = delegate.getGrammar();
    for (Rule r : g.rules.values()) {
        buildLexerRuleActions(file.lexer, r);
    }
    return file;
}

Example 22 with CodeGenerator

use of org.antlr.v4.codegen.CodeGenerator in project antlr4 by tunnelvisionlabs.

the class TestCodeGeneration method getEvalInfoForString.

public List<String> getEvalInfoForString(String grammarString, String pattern) throws RecognitionException {
    ErrorQueue equeue = new ErrorQueue();
    Grammar g = new Grammar(grammarString);
    List<String> evals = new ArrayList<String>();
    if (g.ast != null && !g.ast.hasErrors) {
        SemanticPipeline sem = new SemanticPipeline(g);
        sem.process();
        ATNFactory factory = new ParserATNFactory(g);
        if (g.isLexer())
            factory = new LexerATNFactory((LexerGrammar) g);
        g.atn = factory.createATN();
        CodeGenerator gen = new CodeGenerator(g);
        ST outputFileST = gen.generateParser();
        // STViz viz = outputFileST.inspect();
        // try {
        // viz.waitForClose();
        // }
        // catch (Exception e) {
        // e.printStackTrace();
        // }
        boolean debug = false;
        DebugInterpreter interp = new DebugInterpreter(outputFileST.groupThatCreatedThisInstance, outputFileST.impl.nativeGroup.errMgr, debug);
        InstanceScope scope = new InstanceScope(null, outputFileST);
        StringWriter sw = new StringWriter();
        AutoIndentWriter out = new AutoIndentWriter(sw);
        interp.exec(out, scope);
        for (String e : interp.evals) {
            if (e.contains(pattern)) {
                evals.add(e);
            }
        }
    }
    if (equeue.size() > 0) {
        System.err.println(equeue.toString());
    }
    return evals;
}

Example 23 with CodeGenerator

use of org.antlr.v4.codegen.CodeGenerator in project antlr4 by antlr.

the class GoTarget method getVisitorFileName.

/**
 * A given grammar T, return the visitor name such as
 *  TVisitor.java, if we're using the Java target.
 */
public String getVisitorFileName(boolean header) {
    CodeGenerator gen = getCodeGenerator();
    Grammar g = gen.g;
    assert g.name != null;
    return g.name.toLowerCase() + "_visitor.go";
}

Example 24 with CodeGenerator

use of org.antlr.v4.codegen.CodeGenerator in project antlr4 by antlr.

the class GoTarget method getRecognizerFileName.

public String getRecognizerFileName(boolean header) {
    CodeGenerator gen = getCodeGenerator();
    Grammar g = gen.g;
    assert g != null;
    String name;
    switch(g.getType()) {
        case ANTLRParser.PARSER:
            name = g.name.endsWith("Parser") ? g.name.substring(0, g.name.length() - 6) : g.name;
            return name.toLowerCase() + "_parser.go";
        case ANTLRParser.LEXER:
            // trim off "lexer"
            name = g.name.endsWith("Lexer") ? g.name.substring(0, g.name.length() - 5) : g.name;
            return name.toLowerCase() + "_lexer.go";
        case ANTLRParser.COMBINED:
            return g.name.toLowerCase() + "_parser.go";
        default:
            return "INVALID_FILE_NAME";
    }
}

Example 25 with CodeGenerator

use of org.antlr.v4.codegen.CodeGenerator in project antlr4 by antlr.

the class GoTarget method getListenerFileName.

/**
 * A given grammar T, return the listener name such as
 *  TListener.java, if we're using the Java target.
 */
public String getListenerFileName(boolean header) {
    CodeGenerator gen = getCodeGenerator();
    Grammar g = gen.g;
    assert g.name != null;
    return g.name.toLowerCase() + "_listener.go";
}