Java Code Examples for jdk.nashorn.internal.runtime.Context#eval()
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jdk.nashorn.internal.runtime.Context#eval() .
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Example 1
Source File: NativeFunction.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 2
Source File: NativeFunction.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 3
Source File: NativeFunction.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 4
Source File: NativeFunction.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 5
Source File: NativeFunction.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 6
Source File: Main.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
private void evalImpl(final Context context, final Global global, final String source, final PrintWriter err, final boolean doe) { try { final Object res = context.eval(global, source, global, "<shell>"); if (res != UNDEFINED) { err.println(toString(res, global)); } } catch (final Exception e) { err.println(e); if (doe) { e.printStackTrace(err); } } }
Example 7
Source File: NativeFunction.java From hottub with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 8
Source File: NativeFunction.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
/** * ECMA 15.3.2.1 new Function (p1, p2, ... , pn, body) * * Constructor * * @param newObj is the new operator used for constructing this function * @param self self reference * @param args arguments * @return new NativeFunction */ @Constructor(arity = 1) public static ScriptFunction function(final boolean newObj, final Object self, final Object... args) { final StringBuilder sb = new StringBuilder(); sb.append("(function ("); final String funcBody; if (args.length > 0) { final StringBuilder paramListBuf = new StringBuilder(); for (int i = 0; i < args.length - 1; i++) { paramListBuf.append(JSType.toString(args[i])); if (i < args.length - 2) { paramListBuf.append(","); } } // now convert function body to a string funcBody = JSType.toString(args[args.length - 1]); final String paramList = paramListBuf.toString(); if (!paramList.isEmpty()) { checkFunctionParameters(paramList); sb.append(paramList); } } else { funcBody = null; } sb.append(") {\n"); if (args.length > 0) { checkFunctionBody(funcBody); sb.append(funcBody); sb.append('\n'); } sb.append("})"); final Global global = Global.instance(); final Context context = global.getContext(); return (ScriptFunction)context.eval(global, sb.toString(), global, "<function>"); }
Example 9
Source File: Shell.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 10
Source File: Shell.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 11
Source File: Shell.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 12
Source File: Shell.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 13
Source File: Shell.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ protected int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(toString(res, global)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 14
Source File: Shell.java From hottub with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }
Example 15
Source File: Shell.java From jdk8u_nashorn with GNU General Public License v2.0 | 4 votes |
/** * read-eval-print loop for Nashorn shell. * * @param context the nashorn context * @param global global scope object to use * @return return code */ private static int readEvalPrint(final Context context, final Global global) { final String prompt = bundle.getString("shell.prompt"); final BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); final PrintWriter err = context.getErr(); final Global oldGlobal = Context.getGlobal(); final boolean globalChanged = (oldGlobal != global); final ScriptEnvironment env = context.getEnv(); try { if (globalChanged) { Context.setGlobal(global); } global.addShellBuiltins(); while (true) { err.print(prompt); err.flush(); String source = ""; try { source = in.readLine(); } catch (final IOException ioe) { err.println(ioe.toString()); } if (source == null) { break; } if (source.isEmpty()) { continue; } try { final Object res = context.eval(global, source, global, "<shell>"); if (res != ScriptRuntime.UNDEFINED) { err.println(JSType.toString(res)); } } catch (final Exception e) { err.println(e); if (env._dump_on_error) { e.printStackTrace(err); } } } } finally { if (globalChanged) { Context.setGlobal(oldGlobal); } } return SUCCESS; }