Fix bug when using print() in Shell, add tag to Shell window title indicating selected language

master
Skylar 9 years ago
parent 8a5cdb94d1
commit ceaa9be060

@ -1,303 +1,304 @@
/*
* CODE LICENSE =====================
* Copyright (c) 2015, Apocalypse Laboratories
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 4. You adhere to the Media License detailed below. If you do not, this license
* is automatically revoked and you must purge all copies of the software you
* possess, in source or binary form.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* MEDIA LICENSE ====================
* All images and other graphical files (the "graphics") included with this
* software are copyright (c) 2015 Apocalypse Laboratories. You may not distribute
* the graphics or any program, source code repository, or other digital storage
* media containing them without written permission from Apocalypse Laboratories.
* This ban on distribution only applies to publicly available systems.
* A password-protected network file share, USB drive, or other storage scheme that
* cannot be easily accessed by the public is generally allowed. If in doubt,
* contact Apocalypse Laboratories. If Apocalypse Laboratories allows or denies
* you permission, that decision is considered final and binding.
*/
package net.apocalypselabs.symat;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.swing.JOptionPane;
/**
*
* @author Skylar
*/
public class CodeRunner {
private ScriptEngine se;
private StringWriter sw = new StringWriter();
private PrintWriter pw = new PrintWriter(sw);
private String modules = "";
private String moduleterm = "";
// If we need to wrap code around input to make everything nice.
private boolean wrapRequired = false;
// What codez are we speaking?
private String scriptLang = "";
public CodeRunner() {
this("javascript");
}
public CodeRunner(int lang) {
this(lang == 0 ? "js" : "py");
}
public CodeRunner(String lang) {
scriptLang = lang;
switch (lang) {
case "javascript":
case "js":
case "rhino":
scriptLang = "javascript";
se = new ScriptEngineManager().getEngineByName("rhino");
wrapRequired = true;
try {
// Add custom functions.
se.eval("importClass(net.apocalypselabs.symat.Functions);"
+ "SyMAT_Functions = new net.apocalypselabs.symat.Functions();"
+ "SyMAT_Functions.setLang('js');\n"
+ getFunctions("js")
+ loadToolkits());
// Allow engine access from scripts.
se.put("engine", se);
attachWriters();
} catch (Exception ex) {
initError(ex);
}
break;
case "python":
case "jython":
case "py":
scriptLang = "python";
se = new ScriptEngineManager().getEngineByName("python");
try {
se.eval("from math import *\n"
+ "from net.apocalypselabs.symat import Functions\n"
+ "_=Functions()\n"
+ "_.setLang('py')\n\n"
+ getFunctions("py")
+ loadToolkits());
// Allow engine access from scripts.
se.put("engine", se);
attachWriters();
} catch (Exception ex) {
initError(ex);
}
break;
default:
throw new UnsupportedOperationException("Script language " + lang + " not supported.");
}
}
public static List<InputStream> loadResources(final String name,
final ClassLoader classLoader) throws IOException {
final List<InputStream> list = new ArrayList<InputStream>();
final Enumeration<URL> systemResources
= (classLoader == null ? ClassLoader.getSystemClassLoader() : classLoader)
.getResources(name);
while (systemResources.hasMoreElements()) {
list.add(systemResources.nextElement().openStream());
}
return list;
}
private String loadToolkits() {
String out = "";
try {
List<InputStream> il = loadResources("meta.txt", null);
InputStream[] ii = new InputStream[il.size()];
for (InputStream i : il.toArray(ii)) {
BufferedReader br = new BufferedReader(new InputStreamReader(i));
while (br.ready()) {
String l = br.readLine();
if (l.contains("=")) {
String classname = l.split("=")[0];
String varname = l.split("=")[1];
if (scriptLang.equals("javascript")) {
out += "importClass(" + classname + ");"
+ varname + " = new " + classname + "();";
} else {
out += "from "
+ classname.substring(0, classname.lastIndexOf("."))
+ " import " + classname.substring(classname.lastIndexOf(".") + 1) + "\n"
+ varname + " = " + classname.substring(classname.lastIndexOf(".") + 1) + "()\n";
}
}
}
}
} catch (Exception ex) {
}
Debug.println(out);
return out;
}
@Deprecated
public CodeRunner(String lang, boolean shell) {
this(lang);
}
private void attachWriters() {
se.getContext().setWriter(pw);
se.getContext().setErrorWriter(pw);
Debug.println("Attached writers.");
}
/**
* Inits the Python engine on application start.
*
* @param fakeInit Set it to true.
*/
public CodeRunner(boolean fakeInit) {
if (fakeInit) {
se = new ScriptEngineManager().getEngineByName("python");
}
}
public StringWriter getStringWriter() {
return sw;
}
public PrintWriter getPrintWriter() {
return pw;
}
public String getBufferDump() {
String dump = sw.toString();
sw.getBuffer().setLength(0);
return dump;
}
private void initError(Exception ex) {
JOptionPane.showMessageDialog(null, "Error: "
+ "Could not properly initialize " + scriptLang + " scripting engine."
+ "\n\nSome functions may not work.\n\n"
+ "(" + ex.getMessage() + ")");
}
/**
* Parse a String of code.
*
* @param eval A String of code to evaluate.
* @return the result.
*/
public Object evalString(String eval) {
try {
Object res = se.eval(wrapMath(eval));
if (res == null) {
res = "";
}
String result = res + sw.getBuffer().toString().trim();
return result;
} catch (ScriptException ex) {
return formatEx(ex);
}
}
/**
* Parse code and use the default output writers.
*
* @param eval A String of code to evaluate.
*/
public void evalCode(String eval) {
try {
Object res = se.eval(wrapMath(eval));
if (res == null) {
res = "";
}
} catch (ScriptException ex) {
sw.append(formatEx(ex));
}
}
private String formatEx(ScriptException ex) {
String err = ex.getMessage();
//err = err.replace("sun.org.mozilla.javascript.internal.EcmaError: ReferenceError: ", "");
//err = err.replace("<Unknown source>", "file");
//err = err.replace("sun.org.mozilla.javascript.internal.EvaluatorException: ", "");
return "Error: " + err;
}
/**
* Allows use of Math.blah() as just blah(). Also gives access to SyMAT Java
* functions.
*
* @param eval input string
* @return wrapped input
*/
private String wrapMath(String eval) {
if (wrapRequired) {
String with = "with(SyMAT_Functions){with(Math){" + eval + "}}";
Debug.println(with);
return with;
}
return eval;
}
public void setVar(String var, Object val) {
se.put(var, val);
}
public Object getVar(String var) {
return se.get(var);
}
private String getFunctions(String lang) {
String text = "";
try {
BufferedReader reader = new BufferedReader(
new InputStreamReader(
CodeRunner.class
.getResourceAsStream("functions." + lang)));
String line;
while ((line = reader.readLine()) != null) {
text += line + "\n";
}
} catch (Exception e) {
}
return text;
}
}
/*
* CODE LICENSE =====================
* Copyright (c) 2015, Apocalypse Laboratories
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 4. You adhere to the Media License detailed below. If you do not, this license
* is automatically revoked and you must purge all copies of the software you
* possess, in source or binary form.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* MEDIA LICENSE ====================
* All images and other graphical files (the "graphics") included with this
* software are copyright (c) 2015 Apocalypse Laboratories. You may not distribute
* the graphics or any program, source code repository, or other digital storage
* media containing them without written permission from Apocalypse Laboratories.
* This ban on distribution only applies to publicly available systems.
* A password-protected network file share, USB drive, or other storage scheme that
* cannot be easily accessed by the public is generally allowed. If in doubt,
* contact Apocalypse Laboratories. If Apocalypse Laboratories allows or denies
* you permission, that decision is considered final and binding.
*/
package net.apocalypselabs.symat;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.swing.JOptionPane;
/**
*
* @author Skylar
*/
public class CodeRunner {
private ScriptEngine se;
private StringWriter sw = new StringWriter();
private PrintWriter pw = new PrintWriter(sw);
private String modules = "";
private String moduleterm = "";
// If we need to wrap code around input to make everything nice.
private boolean wrapRequired = false;
// What codez are we speaking?
private String scriptLang = "";
public CodeRunner() {
this("javascript");
}
public CodeRunner(int lang) {
this(lang == 0 ? "js" : "py");
}
public CodeRunner(String lang) {
scriptLang = lang;
switch (lang) {
case "javascript":
case "js":
case "rhino":
scriptLang = "javascript";
se = new ScriptEngineManager().getEngineByName("rhino");
wrapRequired = true;
try {
// Add custom functions.
se.eval("importClass(net.apocalypselabs.symat.Functions);"
+ "SyMAT_Functions = new net.apocalypselabs.symat.Functions();"
+ "SyMAT_Functions.setLang('js');\n"
+ getFunctions("js")
+ loadToolkits());
// Allow engine access from scripts.
se.put("engine", se);
attachWriters();
} catch (Exception ex) {
initError(ex);
}
break;
case "python":
case "jython":
case "py":
scriptLang = "python";
se = new ScriptEngineManager().getEngineByName("python");
try {
se.eval("from math import *\n"
+ "from net.apocalypselabs.symat import Functions\n"
+ "_=Functions()\n"
+ "_.setLang('py')\n\n"
+ getFunctions("py")
+ loadToolkits());
// Allow engine access from scripts.
se.put("engine", se);
attachWriters();
} catch (Exception ex) {
initError(ex);
}
break;
default:
throw new UnsupportedOperationException("Script language " + lang + " not supported.");
}
}
public static List<InputStream> loadResources(final String name,
final ClassLoader classLoader) throws IOException {
final List<InputStream> list = new ArrayList<InputStream>();
final Enumeration<URL> systemResources
= (classLoader == null ? ClassLoader.getSystemClassLoader() : classLoader)
.getResources(name);
while (systemResources.hasMoreElements()) {
list.add(systemResources.nextElement().openStream());
}
return list;
}
private String loadToolkits() {
String out = "";
try {
List<InputStream> il = loadResources("meta.txt", null);
InputStream[] ii = new InputStream[il.size()];
for (InputStream i : il.toArray(ii)) {
BufferedReader br = new BufferedReader(new InputStreamReader(i));
while (br.ready()) {
String l = br.readLine();
if (l.contains("=")) {
String classname = l.split("=")[0];
String varname = l.split("=")[1];
if (scriptLang.equals("javascript")) {
out += "importClass(" + classname + ");"
+ varname + " = new " + classname + "();";
} else {
out += "from "
+ classname.substring(0, classname.lastIndexOf("."))
+ " import " + classname.substring(classname.lastIndexOf(".") + 1) + "\n"
+ varname + " = " + classname.substring(classname.lastIndexOf(".") + 1) + "()\n";
}
}
}
}
} catch (Exception ex) {
}
Debug.println(out);
return out;
}
@Deprecated
public CodeRunner(String lang, boolean shell) {
this(lang);
}
private void attachWriters() {
se.getContext().setWriter(pw);
se.getContext().setErrorWriter(pw);
Debug.println("Attached writers.");
}
/**
* Inits the Python engine on application start.
*
* @param fakeInit Set it to true.
*/
public CodeRunner(boolean fakeInit) {
if (fakeInit) {
se = new ScriptEngineManager().getEngineByName("python");
}
}
public StringWriter getStringWriter() {
return sw;
}
public PrintWriter getPrintWriter() {
return pw;
}
public String getBufferDump() {
String dump = sw.toString();
sw.getBuffer().setLength(0);
return dump;
}
private void initError(Exception ex) {
JOptionPane.showMessageDialog(null, "Error: "
+ "Could not properly initialize " + scriptLang + " scripting engine."
+ "\n\nSome functions may not work.\n\n"
+ "(" + ex.getMessage() + ")");
}
/**
* Parse a String of code.
*
* @param eval A String of code to evaluate.
* @return the result.
*/
public Object evalString(String eval) {
try {
Object res = se.eval(wrapMath(eval));
if (res == null) {
res = "";
}
String result = res + sw.getBuffer().toString().trim();
sw.getBuffer().setLength(0);
return result;
} catch (ScriptException ex) {
return formatEx(ex);
}
}
/**
* Parse code and use the default output writers.
*
* @param eval A String of code to evaluate.
*/
public void evalCode(String eval) {
try {
Object res = se.eval(wrapMath(eval));
if (res == null) {
res = "";
}
} catch (ScriptException ex) {
sw.append(formatEx(ex));
}
}
private String formatEx(ScriptException ex) {
String err = ex.getMessage();
//err = err.replace("sun.org.mozilla.javascript.internal.EcmaError: ReferenceError: ", "");
//err = err.replace("<Unknown source>", "file");
//err = err.replace("sun.org.mozilla.javascript.internal.EvaluatorException: ", "");
return "Error: " + err;
}
/**
* Allows use of Math.blah() as just blah(). Also gives access to SyMAT Java
* functions.
*
* @param eval input string
* @return wrapped input
*/
private String wrapMath(String eval) {
if (wrapRequired) {
String with = "with(SyMAT_Functions){with(Math){" + eval + "}}";
Debug.println(with);
return with;
}
return eval;
}
public void setVar(String var, Object val) {
se.put(var, val);
}
public Object getVar(String var) {
return se.get(var);
}
private String getFunctions(String lang) {
String text = "";
try {
BufferedReader reader = new BufferedReader(
new InputStreamReader(
CodeRunner.class
.getResourceAsStream("functions." + lang)));
String line;
while ((line = reader.readLine()) != null) {
text += line + "\n";
}
} catch (Exception e) {
}
return text;
}
}

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