Example usage for jdk.nashorn.internal.runtime Context getLogger

Introduction

In this page you can find the example usage for jdk.nashorn.internal.runtime Context getLogger.

Prototype

public DebugLogger getLogger(final Class<? extends Loggable> clazz) 

Source Link

Document

Get a logger, given a loggable class

Usage

From source file:org.kihara.util.JavascriptEngine.java

License:Open Source License

/**
 * Compiles the given script files in the command line
 *
 * @param context the nashorn context/*from   w  w  w  .j a v a2s .  c  om*/
 * @param global the global scope
 * @param files the list of script files to compile
 *
 * @return error code
 * @throws IOException when any script file read results in I/O error
 */
private static int compileScripts(final Context context, final ScriptObject global, final List<String> files)
        throws IOException {
    final ScriptObject oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);
    final ScriptEnvironment env = context.getEnv();
    try {
        if (globalChanged) {
            Context.setGlobal(global);
        }
        final ErrorManager errors = context.getErrorManager();

        // For each file on the command line.
        for (final String fileName : files) {
            final FunctionNode functionNode = new Parser(env, Source.sourceFor(fileName, new File(fileName)),
                    errors, env._strict, 0, context.getLogger(Parser.class)).parse();

            if (errors.getNumberOfErrors() != 0) {
                return COMPILATION_ERROR;
            }

            new Compiler(context, env, null, //null - pass no code installer - this is compile only
                    functionNode.getSource(), context.getErrorManager(), env._strict | functionNode.isStrict())
                            .compile(functionNode, Compiler.CompilationPhases.COMPILE_ALL_NO_INSTALL); //*/

            /*
            Compiler.forNoInstallerCompilation(context,
                functionNode.getSource(),
                env._strict | functionNode.isStrict()).
                compile(functionNode, Compiler.CompilationPhases.COMPILE_ALL_NO_INSTALL);
            //*/

            if (env._print_ast) {
                context.getErr().println(new ASTWriter(functionNode));
            }

            if (env._print_parse) {
                context.getErr().println(new PrintVisitor(functionNode));
            }

            if (errors.getNumberOfErrors() != 0) {
                return COMPILATION_ERROR;
            }
        }
    } finally {
        env.getOut().flush();
        env.getErr().flush();
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }

    return SUCCESS;
}

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