Package org.codehaus.janino

Examples of org.codehaus.janino.Scanner$Token

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        final static IClassLoader CL = new ClassLoaderIClassLoader(new URLClassLoader(new URL[0]));

        public byte[] compile(final String name, final String source)
                throws Exception
        {
            Parser p = new Parser(new Scanner(name, new StringReader(source)));
            UnitCompiler uc = new UnitCompiler(p.parseCompilationUnit(), CL);
            return uc.compileUnit(DebuggingInformation.ALL)[0].toByteArray();
        }
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        final static IClassLoader CL = new ClassLoaderIClassLoader(new URLClassLoader(new URL[0]));

        public byte[] compile(final String name, final String source)
                throws Exception
        {
            Parser p = new Parser(new Scanner(name, new StringReader(source)));
            UnitCompiler uc = new UnitCompiler(p.parseCompilationUnit(), CL);
            return uc.compileUnit(DebuggingInformation.ALL)[0].toByteArray();
        }
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      String body = IO.toString(is);

      //TODO: Hack to remove annotations so Janino doesn't choke.  Need to reconsider this problem...
      body = body.replaceAll("@\\w+(?:\\([^\\\\]*?\\))?", "");
      try{
        cu = new Parser(new Scanner(null, new StringReader(body))).parseCompilationUnit();
        functionUnits.put(path, cu);
        return cu;
      } catch (CompileException e) {
        logger.warn("Failure while parsing function class:\n{}", body, e);
        return null;
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  }

  protected byte[][] getByteCode(final ClassNames className, final String sourcecode)
      throws CompileException, IOException, ClassNotFoundException, ClassTransformationException {
    StringReader reader = new StringReader(sourcecode);
    Scanner scanner = new Scanner((String) null, reader);
    Java.CompilationUnit compilationUnit = new Parser(scanner).parseCompilationUnit();
    ClassFile[] classFiles = new UnitCompiler(compilationUnit, compilationClassLoader)
                                  .compileUnit(this.debug, this.debug, this.debug);

    byte[][] byteCodes = new byte[classFiles.length][];
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            final byte[] content = resourceReader.getBytes(resourceNameFromClass);
            if (content == null) {
                return null;
            }
            final Reader reader = new BufferedReader(new StringReader(new String(content)));
            Scanner scanner = null;
            try {
                scanner = new Scanner(resourceNameFromClass, reader);
                final Java.CompilationUnit unit = new Parser(scanner).parseCompilationUnit();
                final UnitCompiler uc = new UnitCompiler(unit, this);
                uc.setCompileErrorHandler(new ErrorHandler() {
                    public void handleError(final String pMessage, final Location pOptionalLocation) throws CompileException {
                        final CompilationProblem problem = new JaninoCompilationProblem(pOptionalLocation, pMessage, true);
                        if (problemHandler != null) {
                            problemHandler.handle(problem);
                        }
                        problems.add(problem);
                    }
                });
                uc.setWarningHandler(new WarningHandler() {
                    public void handleWarning(final String pHandle, final String pMessage, final Location pOptionalLocation) {
                        final CompilationProblem problem = new JaninoCompilationProblem(pOptionalLocation, pMessage, false);
                        if (problemHandler != null) {
                            problemHandler.handle(problem);
                        }
                        problems.add(problem);
                    }
                });
               
                final ClassFile[] classFiles = uc.compileUnit(DebuggingInformation.ALL);
                for (int i = 0; i < classFiles.length; i++) {
                    classes.put(classFiles[i].getThisClassName(), classFiles[i].toByteArray());
                }
                final IClass ic = uc.findClass(className);
                if (null != ic) {
                    types.put(pType, ic);
                }
                return ic;
            } catch (final LocatedException e) {
                problems.add(new JaninoCompilationProblem(e));
            } catch (final IOException e) {
                problems.add(new JaninoCompilationProblem(resourceNameFromClass, "IOException:" + e.getMessage(), true));
            } catch (final Exception e) {
                problems.add(new JaninoCompilationProblem(resourceNameFromClass, "Exception:" + e.getMessage(), true));
            } finally {
                if (scanner != null) {
                    try {
                        scanner.close();
                    } catch (IOException e) {
                      throw new RuntimeException( "IOException occured while compiling " + className, e );
                    }
                }
            }
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            final byte[] content = resourceReader.getBytes(resourceNameFromClass);
            if (content == null) {
                return null;
            }
            final Reader reader = new BufferedReader(new StringReader(new String(content)));
            Scanner scanner = null;
            try {
                scanner = new Scanner(resourceNameFromClass, reader);
                final Java.CompilationUnit unit = new Parser(scanner).parseCompilationUnit();
                final UnitCompiler uc = new UnitCompiler(unit, this);
                uc.setCompileErrorHandler(new ErrorHandler() {
                    public void handleError(final String pMessage, final Location pOptionalLocation) throws CompileException {
                        final CompilationProblem problem = new JaninoCompilationProblem(pOptionalLocation, pMessage, true);
                        if (problemHandler != null) {
                            problemHandler.handle(problem);
                        }
                        problems.add(problem);
                    }
                });
                uc.setWarningHandler(new WarningHandler() {
                    public void handleWarning(final String pHandle, final String pMessage, final Location pOptionalLocation) {
                        final CompilationProblem problem = new JaninoCompilationProblem(pOptionalLocation, pMessage, false);
                        if (problemHandler != null) {
                            problemHandler.handle(problem);
                        }
                        problems.add(problem);
                    }
                });
                log.debug("compile " + className);
                final ClassFile[] classFiles = uc.compileUnit(DebuggingInformation.ALL);
                for (int i = 0; i < classFiles.length; i++) {
                    log.debug("compiled " + classFiles[i].getThisClassName());
                    classes.put(classFiles[i].getThisClassName(), classFiles[i].toByteArray());
                }
                final IClass ic = uc.findClass(className);
                if (null != ic) {
                    types.put(pType, ic);
                }
                return ic;
            } catch (final LocatedException e) {
                problems.add(new JaninoCompilationProblem(e));
            } catch (final IOException e) {
                problems.add(new JaninoCompilationProblem(resourceNameFromClass, "IOException:" + e.getMessage(), true));
            } catch (final Exception e) {
                problems.add(new JaninoCompilationProblem(resourceNameFromClass, "Exception:" + e.getMessage(), true));
            } finally {
                if (scanner != null) {
                    try {
                        scanner.close();
                    } catch (IOException e) {
                        log.error("IOException occured while compiling " + className, e);
                    }
                }
            }
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      String body = IO.toString(is);

      //TODO: Hack to remove annotations so Janino doesn't choke.  Need to reconsider this problem...
      body = body.replaceAll("@\\w+(?:\\([^\\\\]*?\\))?", "");
      try{
        cu = new Parser(new Scanner(null, new StringReader(body))).parseCompilationUnit();
        functionUnits.put(path, cu);
        return cu;
      } catch (CompileException e) {
        logger.warn("Failure while parsing function class:\n{}", body, e);
        return null;
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  @Override
  protected byte[][] getByteCode(final ClassNames className, final String sourcecode)
      throws CompileException, IOException, ClassNotFoundException, ClassTransformationException {
    StringReader reader = new StringReader(sourcecode);
    Scanner scanner = new Scanner((String) null, reader);
    Java.CompilationUnit compilationUnit = new Parser(scanner).parseCompilationUnit();
    ClassFile[] classFiles = new UnitCompiler(compilationUnit, compilationClassLoader)
                                  .compileUnit(this.debug, this.debug, this.debug);

    byte[][] byteCodes = new byte[classFiles.length][];
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  public RexExecutable(String code, Object reason) {
    try {
      //noinspection unchecked
      compiledFunction =
          (Function1) ClassBodyEvaluator.createFastClassBodyEvaluator(
              new Scanner(null, new StringReader(code)),
              GENERATED_CLASS_NAME,
              Utilities.class,
              new Class[] {Function1.class, Serializable.class},
              getClass().getClassLoader());
    } catch (CompileException e) {
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    return getBlock();
    }

  protected String[] guessParameterNames() throws CompileException, IOException
    {
    return ExpressionEvaluator.guessParameterNames( new Scanner( "expressionEval", new StringReader( block ) ) );
    }
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