Package de.fosd.typechef

Examples of de.fosd.typechef.VALexer$StreamSource


            }
        }, options, returnTokenList);
    }

    public Conditional<LexerResult> run(VALexer.LexerFactory lexerFactory, ILexerOptions options, boolean returnTokenList) throws LexerException, IOException {
        VALexer pp = lexerFactory.create(options.getSmallFeatureModel());

        for (Warning w : options.getWarnings())
            pp.addWarning(w);
        for (Feature f : options.getFeatures())
            pp.addFeature(f);

        PreprocessorListener listener = new PreprocessorListener(pp, options);
        pp.setListener(listener);
        pp.addMacro("__TYPECHEF__", FeatureExprLib.True());

        PrintWriter output = null;
        if (options.getLexOutputFile() != null && options.getLexOutputFile().length() > 0) {
            output = new PrintWriter(new BufferedWriter(new FileWriter(options.getLexOutputFile())));
            pp.openDebugFiles(options.getLexOutputFile());
        } else if (options.isLexPrintToStdout())
            output = new PrintWriter(new OutputStreamWriter(System.out));

        if (options.getLexerPartialConfiguration() != null) {
            for (String def : options.getLexerPartialConfiguration().getDefinedFeatures())
                pp.addMacro(def, FeatureExprLib.True(), "1");
            for (String undef : options.getLexerPartialConfiguration().getUndefinedFeatures())
                pp.removeMacro(undef, FeatureExprLib.True());
        }
        for (Map.Entry<String, String> macro : options.getDefinedMacros().entrySet())
            pp.addMacro(macro.getKey(), FeatureExprLib.True(), macro.getValue());
        for (String undef : options.getUndefMacros())
            pp.removeMacro(undef, FeatureExprLib.True());

        for (String sysInclPath : options.getIncludePaths())
            pp.addSystemIncludePath(sysInclPath);
        for (String quoInclPath : options.getQuoteIncludePath())
            pp.addQuoteIncludePath(quoInclPath);


        for (String include : options.getIncludedHeaders())
            pp.addInput(new VALexer.FileSource(new File(include)));


        for (VALexer.LexerInput input : options.getInput())
            pp.addInput(input);
        if (options.getInput().isEmpty())
            pp.addInput(new VALexer.StreamSource(System.in, "<console>"));

        if (options.getFeatures().contains(Feature.DEBUG_INCLUDEPATH)) {
            System.err.println("#" + "include \"...\" search starts here:");
            for (String dir : pp.getQuoteIncludePath())
                System.err.println("  " + dir);
            System.err.println("#" + "include <...> search starts here:");
            for (String dir : pp.getSystemIncludePath())
                System.err.println("  " + dir);
            System.err.println("End of search list.");
        }

        LexerError crash = null;
        List<LexerToken> resultTokenList = new ArrayList<LexerToken>();
        int outputLine = 1;
        try {
            // TokenFilter tokenFilter = new TokenFilter();
            for (; ; ) {
                LexerToken tok = pp.getNextToken();
                if (tok == null)
                    break;
                if (tok.isEOF())
                    break;


                if (returnTokenList && (!options.isReturnLanguageTokensOnly() || tok.isLanguageToken())) {
                    resultTokenList.add(tok);
                }

                if (output != null) {
                    if (options.isAdjustLineNumbers()) {
                        //adjust line numbers to .pi file for debugging
                        String image = tok.getText();
                        while (image.indexOf('\n') >= 0) {
                            outputLine++;
                            image = image.substring(image.indexOf('\n') + 1);
                        }
                        tok.setLine(outputLine);
                        if (options.getLexOutputFile() != null)
                            tok.setSourceName(options.getLexOutputFile());
                    }

                    //write to .pi file
                    tok.lazyPrint(output);
                }
            }
        } catch (Throwable e) {
            Preprocessor.logger.severe(e.toString());
            e.printStackTrace(System.err);
            pp.printSourceStack(System.err);
            crash = new LexerError(e.toString(), "", -1, -1);
        } finally {
            pp.debugPreprocessorDone();
            if (output != null)
                output.flush();
            if (output != null && !options.isLexPrintToStdout())
                output.close();
        }
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