processing/java/src/processing/mode/java/Compiler.java at master · sailuo/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation,

Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package processing.mode.java;

import processing.app.*;

import processing.core.*;

import java.io.*;

import java.lang.reflect.Method;

import java.util.HashMap;

//import org.eclipse.jdt.core.compiler.batch.BatchCompiler;

//import org.eclipse.jdt.core.compiler.CompilationProgress;

public class Compiler {

static HashMap<String, String> importSuggestions;

static {

importSuggestions = new HashMap<String, String>();

importSuggestions.put("Arrays", "java.util.Arrays");

importSuggestions.put("Collections", "java.util.Collections");

importSuggestions.put("Date", "java.util.Date");

importSuggestions.put("Frame", "java.awt.Frame");

importSuggestions.put("Iterator", "java.util.Iterator");

}

// public Compiler() { }

/**

* Compile with ECJ. See http://j.mp/8paifz for documentation.

* @param sketch Sketch object to be compiled, used for placing exceptions

* @param buildPath Where the temporary files live and will be built from.

* @return true if successful.

* @throws RunnerException Only if there's a problem. Only then.

// public boolean compile(Sketch sketch,

// File srcFolder,

// File binFolder,

// String primaryClassName,

// String sketchClassPath,

// String bootClassPath) throws RunnerException {

static public boolean compile(JavaBuild build) throws SketchException {

// This will be filled in if anyone gets angry

SketchException exception = null;

boolean success = false;

String baseCommand[] = new String[] {

"-Xemacs",

//"-noExit", // not necessary for ecj

"-source", "1.6",

"-target", "1.6",

"-classpath", build.getClassPath(),

"-nowarn", // we're not currently interested in warnings (works in ecj)

"-d", build.getBinFolder().getAbsolutePath() // output the classes in the buildPath

};

//PApplet.println(baseCommand);

// make list of code files that need to be compiled

// String[] sourceFiles = new String[sketch.getCodeCount()];

// int sourceCount = 0;

// sourceFiles[sourceCount++] =

// new File(buildPath, primaryClassName + ".java").getAbsolutePath();

// for (SketchCode code : sketch.getCode()) {

// if (code.isExtension("java")) {

// String path = new File(buildPath, code.getFileName()).getAbsolutePath();

// sourceFiles[sourceCount++] = path;

// }

String[] sourceFiles = Base.listFiles(build.getSrcFolder(), false, ".java");

// String[] command = new String[baseCommand.length + sourceFiles.length];

// System.arraycopy(baseCommand, 0, command, 0, baseCommand.length);

// // append each of the files to the command string

// System.arraycopy(sourceFiles, 0, command, baseCommand.length, sourceCount);

String[] command = PApplet.concat(baseCommand, sourceFiles);

// PApplet.println(command);

try {

// Load errors into a local StringBuilder

final StringBuilder errorBuffer = new StringBuilder();

// Create single method dummy writer class to slurp errors from ecj

Writer internalWriter = new Writer() {

public void write(char[] buf, int off, int len) {

errorBuffer.append(buf, off, len);

}

public void flush() { }

public void close() { }

};

// Wrap as a PrintWriter since that's what compile() wants

PrintWriter writer = new PrintWriter(internalWriter);

//result = com.sun.tools.javac.Main.compile(command, writer);

PrintWriter outWriter = new PrintWriter(System.out);

// Version that's not dynamically loaded

//CompilationProgress progress = null;

//success = BatchCompiler.compile(command, outWriter, writer, progress);

// Version that *is* dynamically loaded. First gets the mode class loader

// so that it can grab the compiler JAR files from it.

ClassLoader loader = build.mode.getClassLoader();

try {

Class<?> batchClass =

Class.forName("org.eclipse.jdt.core.compiler.batch.BatchCompiler", false, loader);

Class<?> progressClass =

Class.forName("org.eclipse.jdt.core.compiler.CompilationProgress", false, loader);

Class<?>[] compileArgs =

new Class<?>[] { String[].class, PrintWriter.class, PrintWriter.class, progressClass };

Method compileMethod = batchClass.getMethod("compile", compileArgs);

success = (Boolean)

compileMethod.invoke(null, new Object[] { command, outWriter, writer, null });

} catch (Exception e) {

e.printStackTrace();

throw new SketchException("Unknown error inside the compiler.");

}

// Close out the stream for good measure

writer.flush();

writer.close();

String errorString = errorBuffer.toString();

// if (errorString.trim().length() != 0) {

// success = false;

// }

BufferedReader reader =

new BufferedReader(new StringReader(errorString));

//System.err.println(errorBuffer.toString());

String line = null;

while ((line = reader.readLine()) != null) {

//System.out.println("got line " + line); // debug

// get first line, which contains file name, line number,

// and at least the first line of the error message

String errorFormat = "([\\w\\d_]+.java):(\\d+):\\s*(.*):\\s*(.*)\\s*";

String[] pieces = PApplet.match(line, errorFormat);

//PApplet.println(pieces);

// if it's something unexpected, die and print the mess to the console

if (pieces == null) {

exception = new SketchException("Cannot parse error text: " + line);

exception.hideStackTrace();

// Send out the rest of the error message to the console.

System.err.println(line);

while ((line = reader.readLine()) != null) {

System.err.println(line);

}

break;

}

// translate the java filename and line number into a un-preprocessed

// location inside a source file or tab in the environment.

String dotJavaFilename = pieces[1];

// Line numbers are 1-indexed from javac

int dotJavaLineIndex = PApplet.parseInt(pieces[2]) - 1;

String errorMessage = pieces[4];

exception = build.placeException(errorMessage,

dotJavaFilename,

dotJavaLineIndex);

int codeIndex = 0; //-1;

int codeLine = -1;

// first check to see if it's a .java file

for (int i = 0; i < sketch.getCodeCount(); i++) {

SketchCode code = sketch.getCode(i);

if (code.isExtension("java")) {

if (dotJavaFilename.equals(code.getFileName())) {

codeIndex = i;

codeLine = dotJavaLineIndex;

}

// if it's not a .java file, codeIndex will still be 0

if (codeIndex == 0) { // main class, figure out which tab

//for (int i = 1; i < sketch.getCodeCount(); i++) {

for (int i = 0; i < sketch.getCodeCount(); i++) {

SketchCode code = sketch.getCode(i);

if (code.isExtension("pde")) {

if (code.getPreprocOffset() <= dotJavaLineIndex) {

codeIndex = i;

//System.out.println("i'm thinkin file " + i);

codeLine = dotJavaLineIndex - code.getPreprocOffset();

}

//System.out.println("code line now " + codeLine);

exception = new RunnerException(errorMessage, codeIndex, codeLine, -1, false);

if (exception == null) {

exception = new SketchException(errorMessage);

}

// for a test case once message parsing is implemented,

// use new Font(...) since that wasn't getting picked up properly.

if (errorMessage.equals("cannot find symbol")) {

handleCannotFindSymbol(reader, exception);

} else if (errorMessage.indexOf("is already defined") != -1) {

reader.readLine(); // repeats the line of code w/ error

int codeColumn = caretColumn(reader.readLine());

exception = new RunnerException(errorMessage,

codeIndex, codeLine, codeColumn);

} else if (errorMessage.startsWith("package") &&

errorMessage.endsWith("does not exist")) {

// Because imports are stripped out and re-added to the 0th line of

// the preprocessed code, codeLine will always be wrong for imports.

exception = new RunnerException("P" + errorMessage.substring(1) +

". You might be missing a library.");

} else {

exception = new RunnerException(errorMessage);

}

if (errorMessage.startsWith("The import ") &&

errorMessage.endsWith("cannot be resolved")) {

// The import poo cannot be resolved

//import poo.shoe.blah.*;

//String what = errorMessage.substring("The import ".length());

String[] m = PApplet.match(errorMessage, "The import (.*) cannot be resolved");

//what = what.substring(0, what.indexOf(' '));

if (m != null) {

// System.out.println("'" + m[1] + "'");

if (m[1].equals("processing.xml")) {

exception.setMessage("processing.xml no longer exists, this code needs to be updated for 2.0.");

System.err.println("The processing.xml library has been replaced " +

"with a new 'XML' class that's built-in.");

handleCrustyCode();

} else {

exception.setMessage("The package " +

"\u201C" + m[1] + "\u201D" +

" does not exist. " +

"You might be missing a library.");

System.err.println("Libraries must be " +

"installed in a folder named 'libraries' " +

"inside the 'sketchbook' folder.");

}

// // Actually create the folder and open it for the user

// File sketchbookLibraries = Base.getSketchbookLibrariesFolder();

// if (!sketchbookLibraries.exists()) {

// if (sketchbookLibraries.mkdirs()) {

// Base.openFolder(sketchbookLibraries);

// }

} else if (errorMessage.endsWith("cannot be resolved to a type")) {

// xxx cannot be resolved to a type

//xxx c;

String what = errorMessage.substring(0, errorMessage.indexOf(' '));

if (what.equals("BFont") ||

what.equals("BGraphics") ||

what.equals("BImage")) {

exception.setMessage(what + " has been replaced with P" + what.substring(1));

handleCrustyCode();

} else {

exception.setMessage("Cannot find a class or type " +

"named \u201C" + what + "\u201D");

String suggestion = importSuggestions.get(what);

if (suggestion != null) {

System.err.println("You may need to add \"import " + suggestion + ";\" to the top of your sketch.");

System.err.println("To make sketches more portable, imports that are not part of the Processing API have been removed from Processing 2.0.");

System.err.println("See the changes page for more information: http://wiki.processing.org/w/Changes");

}

} else if (errorMessage.endsWith("cannot be resolved")) {

// xxx cannot be resolved

//println(xxx);

String what = errorMessage.substring(0, errorMessage.indexOf(' '));

if (what.equals("LINE_LOOP") ||

what.equals("LINE_STRIP")) {

exception.setMessage("LINE_LOOP and LINE_STRIP are not available, " +

"please update your code.");

handleCrustyCode();

} else if (what.equals("framerate")) {

exception.setMessage("framerate should be changed to frameRate.");

handleCrustyCode();

} else if (what.equals("screen")) {

exception.setMessage("Change screen.width and screen.height to " +

"displayWidth and displayHeight.");

handleCrustyCode();

} else if (what.equals("screenWidth") ||

what.equals("screenHeight")) {

exception.setMessage("Change screenWidth and screenHeight to " +

"displayWidth and displayHeight.");

handleCrustyCode();

} else {

exception.setMessage("Cannot find anything " +

"named \u201C" + what + "\u201D");

}

} else if (errorMessage.startsWith("Duplicate")) {

// "Duplicate nested type xxx"

// "Duplicate local variable xxx"

} else {

String[] parts = null;

// The method xxx(String) is undefined for the type Temporary_XXXX_XXXX

//xxx("blah");

// The method xxx(String, int) is undefined for the type Temporary_XXXX_XXXX

//xxx("blah", 34);

// The method xxx(String, int) is undefined for the type PApplet

//PApplet.sub("ding");

String undefined =

"The method (\\S+\\(.*\\)) is undefined for the type (.*)";

parts = PApplet.match(errorMessage, undefined);

if (parts != null) {

if (parts[1].equals("framerate(int)")) {

exception.setMessage("framerate() no longer exists, use frameRate() instead.");

handleCrustyCode();

} else if (parts[1].equals("push()")) {

exception.setMessage("push() no longer exists, use pushMatrix() instead.");

handleCrustyCode();

} else if (parts[1].equals("pop()")) {

exception.setMessage("pop() no longer exists, use popMatrix() instead.");

handleCrustyCode();

} else {

String mess = "The function " + parts[1] + " does not exist.";

exception.setMessage(mess);

}

break;

}

if (exception != null) {

// The stack trace just shows that this happened inside the compiler,

// which is a red herring. Don't ever show it for compiler stuff.

exception.hideStackTrace();

break;

}

} catch (IOException e) {

String bigSigh = "Error while compiling. (" + e.getMessage() + ")";

exception = new SketchException(bigSigh);

e.printStackTrace();

success = false;

}

// In case there was something else.

if (exception != null) throw exception;

return success;

}

/**

* Fire up 'ole javac based on <a href="http://java.sun.com/j2se/1.5.0/docs/tooldocs/solaris/javac.html#proginterface">this interface</a>.

* @param sketch Sketch object to be compiled.

* @param buildPath Where the temporary files live and will be built from.

* @return

* @throws RunnerException Only if there's a problem. Only then.

// public boolean compileJavac(Sketch sketch,

// String buildPath) throws RunnerException {

// // This will be filled in if anyone gets angry

// RunnerException exception = null;

// String baseCommand[] = new String[] {

// "-source", "1.5",

// "-target", "1.5",

// "-classpath", sketch.getClassPath(),

// "-nowarn", // we're not currently interested in warnings (ignored?)

// "-d", buildPath // output the classes in the buildPath

// };

// //PApplet.println(baseCommand);

// // make list of code files that need to be compiled

// // (some files are skipped if they contain no class)

// String[] preprocNames = new String[sketch.getCodeCount()];

// int preprocCount = 0;

// for (int i = 0; i < sketch.getCodeCount(); i++) {

// if (sketch.getCode(i).preprocName != null) {

// preprocNames[preprocCount++] = sketch.getCode(i).preprocName;

// }

// String[] command = new String[baseCommand.length + preprocCount];

// System.arraycopy(baseCommand, 0, command, 0, baseCommand.length);

// // append each of the files to the command string

// for (int i = 0; i < preprocCount; i++) {

// command[baseCommand.length + i] =

// buildPath + File.separator + preprocNames[i];

// }

// //PApplet.println(command);

// int result = -1; // needs to be set bad by default, in case hits IOE below

// try {

// // Load errors into a local StringBuffer

// final StringBuffer errorBuffer = new StringBuffer();

// // Create single method dummy writer class to slurp errors from javac

// Writer internalWriter = new Writer() {

// public void write(char[] buf, int off, int len) {

// errorBuffer.append(buf, off, len);

// }

// public void flush() { }

// public void close() { }

// };

// // Wrap as a PrintWriter since that's what compile() wants

// PrintWriter writer = new PrintWriter(internalWriter);

// result = com.sun.tools.javac.Main.compile(command, writer);

// // Close out the stream for good measure

// writer.flush();

// writer.close();

//// BufferedReader reader =

//// new BufferedReader(new StringReader(errorBuffer.toString()));

// //System.err.println(errorBuffer.toString());

//// String m = errorBuffer.toString();

// //ParsePosition mp = new ParsePosition(0);

//// while (mp.getIndex() < m.length()) { // reading messages

// String line = null;

// int lineIndex = 0;

// String[] lines = PApplet.split(errorBuffer.toString(), '\n');

// int lineCount = lines.length;

// while (lineIndex < lineCount) {

// //while ((line = reader.readLine()) != null) {

// //System.out.println("got line " + line); // debug

// /*

//compiler.misc.count.error=\

// {0} error

//compiler.misc.count.error.plural=\

// {0} errors

//compiler.misc.count.warn=\

// {0} warning

//compiler.misc.count.warn.plural=\

// {0} warnings

// */

// // Check to see if this is the last line.

//// if ((PApplet.match(line, "\\d+ error[s]?") != null) ||

//// (PApplet.match(line, "\\d+ warning[s]?") != null)) {

//// break;

//// }

// if (isCompilerMatch(line, "compiler.misc.count.error") ||

// isCompilerMatch(line, "compiler.misc.count.error.plural") ||

// isCompilerMatch(line, "compiler.misc.count.warn") ||

// isCompilerMatch(line, "compiler.misc.count.warn.plural")) {

// break;

// }

// // Hide these because people are getting confused

// // http://dev.processing.org/bugs/show_bug.cgi?id=817

// // com/sun/tools/javac/resources/compiler.properties

// //if (line.startsWith("Note: ")) {

// String compilerNote = compilerResources.getString("compiler.note.note");

// MessageFormat noteFormat = new MessageFormat(compilerNote + " {0}");

// Object[] noteFound;

// try {

// noteFound = noteFormat.parse(line);

// if (noteFound != null) {

// System.out.println("gefunden " + noteFound[0]);

// /*

// // if you mention serialVersionUID one more time, i'm kickin' you out

// if (line.indexOf("serialVersionUID") != -1) continue;

// // {0} uses unchecked or unsafe operations.

// // Some input files use unchecked or unsafe operations.

// if (line.indexOf("or unsafe operations") != -1) continue;

// // {0} uses or overrides a deprecated API.

// // Some input files use or override a deprecated API.

// if (line.indexOf("or override") != -1) continue;

// // Recompile with -Xlint:deprecation for details.

// // Recompile with -Xlint:unchecked for details.

// if (line.indexOf("Recompile with -Xlint:") != -1) continue;

// System.err.println(line);

// */

// continue;

// }

// } catch (ParseException e) {

// e.printStackTrace();

// }

// // get first line, which contains file name, line number,

// // and at least the first line of the error message

// String errorFormat = "([\\w\\d_]+.java):(\\d+):\\s*(.*)\\s*";

// String[] pieces = PApplet.match(line, errorFormat);

// // if it's something unexpected, die and print the mess to the console

// if (pieces == null) {

// exception = new RunnerException("Cannot parse error text: " + line);

// exception.hideStackTrace();

// // Send out the rest of the error message to the console.

// System.err.println(line);

// //while ((line = reader.readLine()) != null) {

// for (int i = lineIndex; i < lineCount; i++) {

// System.err.println(lines[i]);

// }

// break;

// }

// // translate the java filename and line number into a un-preprocessed

// // location inside a source file or tab in the environment.

// String dotJavaFilename = pieces[0];

// // Line numbers are 1-indexed from javac

// int dotJavaLineIndex = PApplet.parseInt(pieces[1]) - 1;

// String errorMessage = pieces[2];

// int codeIndex = -1;

// int codeLine = -1;

// for (int i = 0; i < sketch.getCodeCount(); i++) {

// String name = sketch.getCode(i).preprocName;

// if ((name != null) && dotJavaFilename.equals(name)) {

// codeIndex = i;

// }

// //System.out.println("code index/line are " + codeIndex + " " + codeLine);

// //System.out.println("java line number " + dotJavaLineIndex + " from " + dotJavaFilename);

// if (codeIndex == 0) { // main class, figure out which tab

// for (int i = 1; i < sketch.getCodeCount(); i++) {

// SketchCode code = sketch.getCode(i);

// if (code.flavor == Sketch.PDE) {

// if (code.preprocOffset <= dotJavaLineIndex) {

// codeIndex = i;

// //System.out.println("i'm thinkin file " + i);

// }

// //System.out.println("preproc offset is " + sketch.getCode(codeIndex).preprocOffset);

// codeLine = dotJavaLineIndex - sketch.getCode(codeIndex).preprocOffset;

// //System.out.println("code line now " + codeLine);

// exception = new RunnerException(errorMessage, codeIndex, codeLine, -1, false);

// // for a test case once message parsing is implemented,

// // use new Font(...) since that wasn't getting picked up properly.

// if (errorMessage.equals("cannot find symbol")) {

// handleCannotFindSymbol(reader, exception);

// } else if (errorMessage.indexOf("is already defined") != -1) {

// reader.readLine(); // repeats the line of code w/ error

// int codeColumn = caretColumn(reader.readLine());

// exception = new RunnerException(errorMessage,

// codeIndex, codeLine, codeColumn);

// } else if (errorMessage.startsWith("package") &&

// errorMessage.endsWith("does not exist")) {

// // Because imports are stripped out and re-added to the 0th line of

// // the preprocessed code, codeLine will always be wrong for imports.

// exception = new RunnerException("P" + errorMessage.substring(1) +

// ". You might be missing a library.");

// } else {

// exception = new RunnerException(errorMessage);

// }

// if (exception != null) {

// // The stack trace just shows that this happened inside the compiler,

// // which is a red herring. Don't ever show it for compiler stuff.

// exception.hideStackTrace();

// break;

// }

// } catch (IOException e) {

// String bigSigh = "Error while compiling. (" + e.getMessage() + ")";

// exception = new RunnerException(bigSigh);

// e.printStackTrace();

// result = 1;

// }

// // In case there was something else.

// if (exception != null) throw exception;

// // Success means that 'result' is set to zero

// return (result == 0);

// }

// boolean isCompilerMatch(String line, String format) {

// return compilerMatch(line, format) != null;

// }

// Object[] compilerMatch(String line, String name) {

// String format = compilerResources.getString(name);

// MessageFormat mf = new MessageFormat(format);

// Object[] matches = null;

// try {

// matches = mf.parse(line);

// } catch (ParseException e) {

// e.printStackTrace();

// }

// return matches;

// }

// boolean isCompilerMatch(String line, ParsePosition pos, String format) {

// return compilerMatch(line, pos, format) != null;

// }

// Object[] compilerMatch(String line, ParsePosition pos, String name) {

// String format = compilerResources.getString(name);

// MessageFormat mf = new MessageFormat(format);

// Object[] matches = mf.parse(line, pos);

// return matches;

// }

// Tell-tale signs of old code copied and pasted from the web.

// Detect classes BFont, BGraphics, BImage; methods framerate, push;

// and variables LINE_LOOP and LINE_STRIP.

// static HashMap crusties = new HashMap();

// static {

// crusties.put("BFont", new Object());

// crusties.put("BGraphics", new Object());

// crusties.put("BImage", new Object());

// crusties.put("framerate", new Object());

// crusties.put("push", new Object());

// crusties.put("LINE_LOOP", new Object());

// crusties.put("LINE_STRIP", new Object());

// }

// void handleCannotFindSymbol(BufferedReader reader,

// RunnerException rex) throws IOException {

// String symbolLine = reader.readLine();

// String locationLine = reader.readLine();

// /*String codeLine =*/ reader.readLine();

// String caretLine = reader.readLine();

// rex.setCodeColumn(caretColumn(caretLine));

// String[] pieces =

// PApplet.match(symbolLine, "symbol\\s*:\\s*(\\w+)\\s+(.*)");

// if (pieces != null) {

// if (pieces[0].equals("class") ||

// pieces[0].equals("variable")) {

// rex.setMessage("Cannot find a " + pieces[0] + " " +

// "named \u201C" + pieces[1] + "\u201D");

// if (crusties.get(pieces[1]) != null) {

// handleCrustyCode(rex);

// }

// } else if (pieces[0].equals("method")) {

// int leftParen = pieces[1].indexOf("(");

// int rightParen = pieces[1].indexOf(")");

// String methodName = pieces[1].substring(0, leftParen);

// String methodParams = pieces[1].substring(leftParen + 1, rightParen);

// String message =

// "Cannot find a function named \u201C" + methodName + "\u201D";

// if (methodParams.length() > 0) {

// if (methodParams.indexOf(',') != -1) {

// message += " with parameters ";

// } else {

// message += " with parameter ";

// }

// message += methodParams;

// }

// String locationClass = "location: class ";

// if (locationLine.startsWith(locationClass) &&

// // don't include the class name when it's a temp class

// locationLine.indexOf("Temporary_") == -1) {

// String className = locationLine.substring(locationClass.length());

// // If no dot exists, -1 + 1 is 0, so this will have no effect.

// className = className.substring(className.lastIndexOf('.') + 1);

// int bracket = className.indexOf('[');

// if (bracket == -1) {

// message += " in class " + className;

// } else {

// className = className.substring(0, bracket);

// message += " for an array of " + className + " objects";

// }

// message += ".";

// rex.setMessage(message);

// // On second thought, make sure this isn't just some alpha/beta code

// if (crusties.get(methodName) != null) {

// handleCrustyCode(rex);

// }

// } else {

// System.out.println(symbolLine);

// }

static protected void handleCrustyCode() {

System.err.println("This code needs to be updated " +

"for this version of Processing, " +

"please read the Changes page on the Wiki.");

Editor.showChanges();

}

protected int caretColumn(String caretLine) {

return caretLine.indexOf("^");

}

processing/java/src/processing/mode/java/Compiler.java at master · sailuo/processing · GitHub

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