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Arduino/app/Compiler.java

843 lines
30 KiB
Java

/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Compiler - default compiler class that connects to avr-gcc
Part of the Arduino project - http://arduino.berlios.de/
Copyright (c) 2004-05 Hernando Barragan
Processing version
Copyright (c) 2004-05 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
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
$Id$
*/
package processing.app;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javax.swing.*;
public class Compiler implements MessageConsumer {
static final String BUGS_URL =
"https://developer.berlios.de/bugs/?group_id=3590";
static final String SUPER_BADNESS =
"Compiler error, please submit this code to " + BUGS_URL;
Sketch sketch;
String buildPath;
//String buildPath;
//String className;
//File includeFolder;
RunnerException exception;
//Editor editor;
/*
public Compiler(String buildPath, String className,
File includeFolder, Editor editor) {
this.buildPath = buildPath;
this.includeFolder = includeFolder;
this.className = className;
this.editor = editor;
}
public boolean compile(PrintStream leechErr) {
*/
public Compiler() { } // consider this a warning, you werkin soon.
public boolean compile(Sketch sketch, String buildPath, Target target)
throws RunnerException {
this.sketch = sketch;
this.buildPath = buildPath;
// the pms object isn't used for anything but storage
MessageStream pms = new MessageStream(this);
String userdir = System.getProperty("user.dir") + File.separator;
String baseCommandCompiler[] = new String[] {
((!Base.isMacOS()) ? "tools/avr/bin/avr-gcc" :
userdir + "tools/avr/bin/avr-gcc"),
"-c", // compile, don't link
"-g", // include debugging info (so errors include line numbers)
"-Os", // optimize for size
"-I" + target.getPath(),
"-w", // surpress all warnings
"-mmcu=" + Preferences.get("build.mcu"),
"-DF_CPU=" + Preferences.get("build.f_cpu"),
" ",
" "
};
String baseCommandCompilerCPP[] = new String[] {
((!Base.isMacOS()) ? "tools/avr/bin/avr-g++" :
userdir + "tools/avr/bin/avr-g++"),
"-c", // compile, don't link
"-g", // include debugging info (so errors include line numbers)
"-Os", // optimize for size
"-I" + target.getPath(),
"-w", // surpress all warnings
"-fno-exceptions",
"-mmcu=" + Preferences.get("build.mcu"),
"-DF_CPU=" + Preferences.get("build.f_cpu"),
" ",
" "
};
String baseCommandLinker[] = new String[] {
((!Base.isMacOS()) ? "tools/avr/bin/avr-gcc" :
userdir + "tools/avr/bin/avr-gcc"),
" ",
"-mmcu=" + Preferences.get("build.mcu"),
"-o",
" ",
// ((!Base.isMacOS()) ? "" : userdir) + "lib/uart.o",
// ((!Base.isMacOS()) ? "" : userdir) + "lib/buffer.o",
// ((!Base.isMacOS()) ? "" : userdir) + "lib/timer.o",
// ((!Base.isMacOS()) ? "" : userdir) + "lib/wiring.o",
// ((!Base.isMacOS()) ? "" : userdir) + "lib/pins_arduino.o",
//((!Base.isMacOS()) ? "lib/WApplet.o" :
//userdir + "lib/WApplet.o"),
//((!Base.isMacOS()) ? "lib/WSerial.o" :
//userdir + "lib/WSerial.o"),
//((!Base.isMacOS()) ? "lib/WTimer.o" :
//userdir + "lib/WTimer.o"),
//((!Base.isMacOS()) ? "lib/Servo.o" :
//userdir + "lib/Servo.o"),
////((!Base.isMacOS()) ? "lib/Wire.o" :
//// userdir + "lib/Wire.o"),
////((!Base.isMacOS()) ? "lib/WServo.o" :
//// userdir + "lib/WServo.o"),
//((!Base.isMacOS()) ? "lib/WDisplay.o" :
//userdir + "lib/WDisplay.o"),
//((!Base.isMacOS()) ? "lib/WEncoder.o" :
//userdir + "lib/WEncoder.o"),
//((!Base.isMacOS()) ? "lib/WInterrupts.o" :
//userdir + "lib/WInterrupts.o"),
//((!Base.isMacOS()) ? "lib/WCounter.o" :
//userdir + "lib/WCounter.o"),
//((!Base.isMacOS()) ? "tools/avr/avr/lib/libm.a" :
//userdir + "tools/avr/avr/lib/libm.a")
};
String baseCommandObjcopy[] = new String[] {
((!Base.isMacOS()) ? "tools/avr/bin/avr-objcopy" :
userdir + "tools/avr/bin/avr-objcopy"),
"-O",
" ",
"-R",
" ",
" ",
" "
};
/*String baseCommand[] = new String[] {
// user.dir is folder containing P5 (and therefore jikes)
// macosx needs the extra path info. linux doesn't like it, though
// windows doesn't seem to care. write once, headache anywhere.
((!Base.isMacOS()) ? "jikes" :
System.getProperty("user.dir") + File.separator + "jikes"),
// this doesn't help much.. also java 1.4 seems to not support
// -source 1.1 for javac, and jikes seems to also have dropped it.
// for versions of jikes that don't complain, "final int" inside
// a function doesn't throw an error, so it could just be a
// ms jvm error that this sort of thing doesn't work. blech.
//"-source",
//"1.1",
// necessary to make output classes compatible with 1.1
// i.e. so that exported applets can work with ms jvm on the web
"-target",
Preferences.get("preproc.jdk_version"), //"1.1",
// let the incompatability headache begin
// used when run without a vm ("expert" mode)
"-bootclasspath",
calcBootClassPath(),
// needed for macosx so that the classpath is set properly
// also for windows because qtjava will most likely be here
// and for linux, it just doesn't hurt
"-classpath",
sketch.classPath, //calcClassPath(includeFolder),
"-nowarn", // we're not currently interested in warnings
"+E", // output errors in machine-parsable format
"-d", buildPath // output the classes in the buildPath
//buildPath + File.separator + className + ".java" // file to compile
};*/
// make list of code files that need to be compiled and the object files
// that they will be compiled to (includes code from the sketch and the
// library for the target platform)
String sourceNames[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String sourceNamesCPP[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String objectNames[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String objectNamesCPP[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
int fileCount = 0;
int fileCountCPP = 0;
for (int i = 0; i < sketch.codeCount; i++) {
if (sketch.code[i].preprocName != null) {
if (sketch.code[i].preprocName.endsWith(".c")) {
sourceNames[fileCount] = buildPath + File.separator + sketch.code[i].preprocName;
objectNames[fileCount++] = buildPath + File.separator + sketch.code[i].preprocName + ".o";
} else if (sketch.code[i].preprocName.endsWith(".cpp")) {
sourceNamesCPP[fileCountCPP] = buildPath + File.separator + sketch.code[i].preprocName;
objectNamesCPP[fileCountCPP++] = buildPath + File.separator + sketch.code[i].preprocName + ".o";
}
}
}
for (Iterator iter = target.getSourceFilenames().iterator(); iter.hasNext(); ) {
String filename = (String) iter.next();
if (filename != null) {
if (filename.endsWith(".c")) {
sourceNames[fileCount] = target.getPath() + File.separator + filename;
objectNames[fileCount++] = buildPath + File.separator + filename + ".o";
} else if (filename.endsWith(".cpp")) {
sourceNamesCPP[fileCountCPP] = target.getPath() + File.separator + filename;
objectNamesCPP[fileCountCPP++] = buildPath + File.separator + filename + ".o";
}
}
}
/*
String commandCompiler[] = new String[baseCommandCompiler.length + preprocCount];
System.arraycopy(baseCommandCompiler, 0, commandCompiler, 0, baseCommandCompiler.length);
// append each of the files to the command string
for (int i = 0; i < preprocCount; i++) {
commandCompiler[baseCommandCompiler.length + i] =
buildPath + File.separator + preprocNames[i];
}
String commandCompilerCPP[] = new String[baseCommandCompilerCPP.length + preprocCountCPP];
System.arraycopy(baseCommandCompilerCPP, 0, commandCompilerCPP, 0, baseCommandCompilerCPP.length);
for (int i = 0; i < preprocCountCPP; i++) {
commandCompilerCPP[baseCommandCompilerCPP.length + i] =
buildPath + File.separator + preprocNamesCPP[i];
}
*/
//PApplet.printarr(command);
baseCommandLinker[1] = "-Os -Wl,-u,vfprintf -lprintf_flt -lm,-Map=" +
((!Base.isMacOS()) ? buildPath : userdir + buildPath)
+ File.separator + sketch.name + ".map,--cref";
baseCommandLinker[4] = ((!Base.isMacOS()) ? buildPath
: buildPath) + File.separator + sketch.name + ".elf";
String commandLinker[] = new String[baseCommandLinker.length + fileCount +
fileCountCPP + target.getObjectFilenames().size()];
System.arraycopy(baseCommandLinker, 0, commandLinker, 0, baseCommandLinker.length);
int idx = 0;
for(int i = 0; i < fileCount; i++, idx++) {
commandLinker[baseCommandLinker.length + idx] = objectNames[i];
}
for(int i = 0; i < fileCountCPP; i++, idx++) {
commandLinker[baseCommandLinker.length + idx] = objectNamesCPP[i];
}
for(Iterator iter = target.getObjectFilenames().iterator(); iter.hasNext(); idx++) {
commandLinker[baseCommandLinker.length + idx] = target.getPath() + File.separator + iter.next(); //already ends in ".o"
}
/*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.printarr(command);
*/
/*
String command[] = new String[baseCommand.length + sketch.codeCount];
System.arraycopy(baseCommand, 0, command, 0, baseCommand.length);
// append each of the files to the command string
for (int i = 0; i < sketch.codeCount; i++) {
command[baseCommand.length + i] =
buildPath + File.separator + sketch.code[i].preprocName;
}
*/
//for (int i = 0; i < command.length; i++) {
//System.out.println("cmd " + i + " " + command[i]);
//}
firstErrorFound = false; // haven't found any errors yet
secondErrorFound = false;
int result = 0; // pre-initialized to quiet a bogus warning from jikes
try {
// execute the compiler, and create threads to deal
// with the input and error streams
//
Process process;
boolean compiling = true;
for(int i = 0; i < fileCount; i++) {
baseCommandCompiler[8] = sourceNames[i];
baseCommandCompiler[9] = "-o"+ objectNames[i];
//System.arraycopy(baseCommandCompiler.length
//for(int j = 0; j < baseCommandCompiler.length; j++) {
// System.out.println(baseCommandCompiler[j]);
//}
process = Runtime.getRuntime().exec(baseCommandCompiler);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
// wait for the process to finish. if interrupted
// before waitFor returns, continue waiting
//
compiling = true;
while (compiling) {
try {
result = process.waitFor();
//System.out.println("result is " + result);
compiling = false;
} catch (InterruptedException ignored) { }
}
if (exception != null) {
exception.hideStackTrace = true;
throw exception;
}
if(result!=0)
return false;
}
for(int i = 0; i < fileCountCPP; i++) {
baseCommandCompilerCPP[9] = sourceNamesCPP[i];
baseCommandCompilerCPP[10] = "-o"+ objectNamesCPP[i];
//for(int j = 0; j < baseCommandCompilerCPP.length; j++) {
// System.out.println(baseCommandCompilerCPP[j]);
//}
process = Runtime.getRuntime().exec(baseCommandCompilerCPP);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
// wait for the process to finish. if interrupted
// before waitFor returns, continue waiting
//
compiling = true;
while (compiling) {
try {
result = process.waitFor();
//System.out.println("result is " + result);
compiling = false;
} catch (InterruptedException ignored) { }
}
if (exception != null) {
exception.hideStackTrace = true;
throw exception;
}
if(result!=0)
return false;
}
//for(int j = 0; j < commandLinker.length; j++) {
// System.out.println(commandLinker[j]);
//}
process = Runtime.getRuntime().exec(commandLinker);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
compiling = true;
while(compiling) {
try {
result = process.waitFor();
compiling = false;
} catch (InterruptedException intExc) { }
}
if (exception != null) {
exception.hideStackTrace = true;
throw exception;
}
if(result!=0)
return false;
/*for(int j = 0; j < baseCommandObjcopy.length; j++) {
System.out.println(baseCommandObjcopy[j]);
}*/
baseCommandObjcopy[2] = "srec";
baseCommandObjcopy[4] = ".eeprom";
baseCommandObjcopy[5] = buildPath + File.separator + sketch.name + ".elf";
baseCommandObjcopy[6] = buildPath + File.separator + sketch.name + ".rom";
process = Runtime.getRuntime().exec(baseCommandObjcopy);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
compiling = true;
while(compiling) {
try {
result = process.waitFor();
compiling = false;
} catch (InterruptedException intExc) { }
}
if (exception != null) {
exception.hideStackTrace = true;
throw exception;
}
if(result!=0)
return false;
baseCommandObjcopy[2] = "ihex";
baseCommandObjcopy[4] = ".flash";
baseCommandObjcopy[5] = buildPath + File.separator + sketch.name + ".elf";
baseCommandObjcopy[6] = buildPath + File.separator + sketch.name + ".hex";
process = Runtime.getRuntime().exec(baseCommandObjcopy);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
compiling = true;
while(compiling) {
try {
result = process.waitFor();
compiling = false;
} catch (InterruptedException intExc) { }
}
if (exception != null) {
exception.hideStackTrace = true;
throw exception;
}
if(result!=0)
return false;
/*Process process = Runtime.getRuntime().exec(command);
new MessageSiphon(process.getInputStream(), this);
new MessageSiphon(process.getErrorStream(), this);
// wait for the process to finish. if interrupted
// before waitFor returns, continue waiting
//
boolean compiling = true;
while (compiling) {
try {
result = process.waitFor();
//System.out.println("result is " + result);
compiling = false;
} catch (InterruptedException ignored) { }
}*/
} catch (Exception e) {
String msg = e.getMessage();
if ((msg != null) && (msg.indexOf("avr-gcc: not found") != -1)) {
//System.err.println("jikes is missing");
Base.showWarning("Compiler error",
"Could not find the compiler.\n" +
"avr-gcc is missing from your PATH,\n" +
"see readme.txt for help.", null);
return false;
} else {
e.printStackTrace();
result = -1;
}
}
// an error was queued up by message(), barf this back to build()
// which will barf it back to Editor. if you're having trouble
// discerning the imagery, consider how cows regurgitate their food
// to digest it, and the fact that they have five stomaches.
//
//System.out.println("throwing up " + exception);
if (exception != null) throw exception;
// if the result isn't a known, expected value it means that something
// is fairly wrong, one possibility is that jikes has crashed.
//
if (result != 0 && result != 1 ) {
//exception = new RunnerException(SUPER_BADNESS);
//editor.error(exception); // this will instead be thrown
Base.openURL(BUGS_URL);
throw new RunnerException(SUPER_BADNESS);
}
// success would mean that 'result' is set to zero
return (result == 0); // ? true : false;
}
boolean firstErrorFound;
boolean secondErrorFound;
/**
* Part of the MessageConsumer interface, this is called
* whenever a piece (usually a line) of error message is spewed
* out from the compiler. The errors are parsed for their contents
* and line number, which is then reported back to Editor.
*/
public void message(String s) {
// This receives messages as full lines, so a newline needs
// to be added as they're printed to the console.
//System.err.print(s);
// ignore cautions
if (s.indexOf("warning") != -1) return;
// jikes always uses a forward slash character as its separator,
// so replace any platform-specific separator characters before
// attemping to compare
//
//String buildPathSubst = buildPath.replace(File.separatorChar, '/') + "/";
String buildPathSubst = buildPath.replace(File.separatorChar,File.separatorChar) + File.separatorChar;
String partialTempPath = null;
int partialStartIndex = -1; //s.indexOf(partialTempPath);
int fileIndex = -1; // use this to build a better exception
// iterate through the project files to see who's causing the trouble
for (int i = 0; i < sketch.codeCount; i++) {
if (sketch.code[i].preprocName == null) continue;
partialTempPath = buildPathSubst + sketch.code[i].preprocName;
partialStartIndex = s.indexOf(partialTempPath);
if (partialStartIndex != -1) {
fileIndex = i;
//System.out.println("fileIndex is " + fileIndex);
break;
}
}
//+ className + ".java";
// if the partial temp path appears in the error message...
//
//int partialStartIndex = s.indexOf(partialTempPath);
if (partialStartIndex != -1) {
// skip past the path and parse the int after the first colon
//
String s1 = s.substring(partialStartIndex +
partialTempPath.length() + 1);
//System.out.println(s1);
if (s1.indexOf("In function")!= -1) {
System.err.print(s1);
//firstErrorFound = true;
return;
}
int colon = s1.indexOf(':');
int lineNumber = Integer.parseInt(s1.substring(0, colon));
// the "1" corresponds to the amount of lines written to the main code
// file by PdePreprocessor's writeHeader() routine before prototypes
if (fileIndex == 0)
lineNumber -= 1;
//System.out.println("pde / line number: " + lineNumber);
if (fileIndex == 0) { // main class, figure out which tab
for (int i = 1; i < sketch.codeCount; i++) {
if (sketch.code[i].flavor == Sketch.PDE) {
//System.out.println("preprocOffset "+ sketch.code[i].preprocOffset);
if (sketch.code[i].preprocOffset < lineNumber) {
fileIndex = i;
//System.out.println("i'm thinkin file " + i);
}
}
}
if (fileIndex != 0) { // if found another culprit
lineNumber -= sketch.code[fileIndex].preprocOffset;
//System.out.println("i'm sayin line " + lineNumber);
}
}
//String s2 = s1.substring(colon + 2);
int err = s1.indexOf(":");
if (err != -1) {
// if the first error has already been found, then this must be
// (at least) the second error found
if (firstErrorFound) {
secondErrorFound = true;
return;
}
// if executing at this point, this is *at least* the first error
firstErrorFound = true;
err += ":".length();
String description = s1.substring(err);
description = description.trim();
System.err.print(description);
/* String hasLoop = "The method \"void loop();\" with default access";
if (description.indexOf(hasLoop) != -1) {
description =
"Rename loop() to draw() in Processing 0070 and higher";
}
*/
/* String constructorProblem =
"No applicable overload was found for a constructor of type";
if (description.indexOf(constructorProblem) != -1) {
//"simong.particles.ParticleSystem". Perhaps you wanted the overloaded version "ParticleSystem();" instead?
int nextSentence = description.indexOf("\".") + 3;
description = description.substring(nextSentence);
}
*/
/* String overloadProblem = "No applicable overload";
if (description.indexOf(overloadProblem) != -1) {
int nextSentence = description.indexOf("\".") + 3;
description = description.substring(nextSentence);
}
*/
// c:/fry/processing/build/windows/work/lib/build/Temporary_6858_2476.java:1:34:1:41: Semantic Error: You need to modify your classpath, sourcepath, bootclasspath, and/or extdirs setup. Package "poo/shoe" could not be found in:
/* String classpathProblem = "You need to modify your classpath";
if (description.indexOf(classpathProblem) != -1) {
if (description.indexOf("quicktime/std") != -1) {
// special case for the quicktime libraries
description =
"To run sketches that use the Processing video library, " +
"you must first install QuickTime for Java.";
} else {
int nextSentence = description.indexOf(". Package") + 2;
description =
description.substring(nextSentence, description.indexOf(':')) +
" the code folder or in any libraries.";
}
}
*/
//System.out.println("description = " + description);
//System.out.println("creating exception " + exception);
exception = new RunnerException(description, fileIndex, lineNumber-1, -1);
// NOTE!! major change here, this exception will be queued
// here to be thrown by the compile() function
//editor.error(exception);
} else {
System.err.println("i suck: " + s);
}
} else {
// this isn't the start of an error line, so don't attempt to parse
// a line number out of it.
// if the second error hasn't been discovered yet, these lines
// are probably associated with the first error message,
// which is already in the status bar, and are likely to be
// of interest to the user, so spit them to the console.
//
if (!secondErrorFound) {
System.err.println(s);
}
}
}
static String bootClassPath;
static public String calcBootClassPath() {
if (bootClassPath == null) {
String additional = "";
if (Base.isMacOS()) {
additional =
contentsToClassPath(new File("/System/Library/Java/Extensions/"));
}
bootClassPath = System.getProperty("sun.boot.class.path") + additional;
}
return bootClassPath;
}
///
/**
* Return the path for a folder, with appended paths to
* any .jar or .zip files inside that folder.
* This will prepend a colon (or whatever the path separator is)
* so that it can be directly appended to another path string.
*
* This will always add the root folder as well, and doesn't bother
* checking to see if there are any .class files in the folder or
* within a subfolder.
*/
static public String contentsToClassPath(File folder) {
if (folder == null) return "";
StringBuffer abuffer = new StringBuffer();
String sep = System.getProperty("path.separator");
try {
// add the folder itself in case any unzipped files
String path = folder.getCanonicalPath();
abuffer.append(sep);
abuffer.append(path);
if (!path.endsWith(File.separator)) {
path += File.separator;
}
//System.out.println("path is " + path);
String list[] = folder.list();
for (int i = 0; i < list.length; i++) {
if (list[i].toLowerCase().endsWith(".o") ||
list[i].toLowerCase().endsWith(".a")) {
abuffer.append(sep);
abuffer.append(path);
abuffer.append(list[i]);
}
}
} catch (IOException e) {
e.printStackTrace(); // this would be odd
}
//System.out.println("included path is " + abuffer.toString());
//packageListFromClassPath(abuffer.toString()); // WHY?
return abuffer.toString();
}
/**
* A classpath, separated by the path separator, will contain
* a series of .jar/.zip files or directories containing .class
* files, or containing subdirectories that have .class files.
*
* @param path the input classpath
* @return array of possible package names
*/
/* static public String[] packageListFromClassPath(String path) {
Hashtable table = new Hashtable();
String pieces[] =
Base.split(path, File.pathSeparatorChar);
for (int i = 0; i < pieces.length; i++) {
//System.out.println("checking piece '" + pieces[i] + "'");
if (pieces[i].length() == 0) continue;
if (pieces[i].toLowerCase().endsWith(".o") ||
pieces[i].toLowerCase().endsWith(".a")) {
packageListFromZip(pieces[i], table);
} else { // it's another type of file or directory
File dir = new File(pieces[i]);
if (dir.exists() && dir.isDirectory()) {
packageListFromFolder(dir, null, table);
//importCount = magicImportsRecursive(dir, null,
// table);
//imports, importCount);
}
}
}
int tableCount = table.size();
String output[] = new String[tableCount];
int index = 0;
Enumeration e = table.keys();
while (e.hasMoreElements()) {
output[index++] = ((String) e.nextElement()).replace('/', '.');
}
//System.arraycopy(imports, 0, output, 0, importCount);
//PApplet.printarr(output);
return output;
}
*/
static private void packageListFromZip(String filename, Hashtable table) {
try {
ZipFile file = new ZipFile(filename);
Enumeration entries = file.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
if (!entry.isDirectory()) {
String name = entry.getName();
if (name.endsWith(".class")) {
int slash = name.lastIndexOf('/');
if (slash == -1) continue;
String pname = name.substring(0, slash);
if (table.get(pname) == null) {
table.put(pname, new Object());
}
}
}
}
} catch (IOException e) {
System.err.println("Ignoring " + filename + " (" + e.getMessage() + ")");
//e.printStackTrace();
}
}
/**
* Make list of package names by traversing a directory hierarchy.
* Each time a class is found in a folder, add its containing set
* of folders to the package list. If another folder is found,
* walk down into that folder and continue.
*/
static private void packageListFromFolder(File dir, String sofar,
Hashtable table) {
//String imports[],
//int importCount) {
//System.err.println("checking dir '" + dir + "'");
boolean foundClass = false;
String files[] = dir.list();
for (int i = 0; i < files.length; i++) {
if (files[i].equals(".") || files[i].equals("..")) continue;
File sub = new File(dir, files[i]);
if (sub.isDirectory()) {
String nowfar =
(sofar == null) ? files[i] : (sofar + "." + files[i]);
packageListFromFolder(sub, nowfar, table);
//System.out.println(nowfar);
//imports[importCount++] = nowfar;
//importCount = magicImportsRecursive(sub, nowfar,
// imports, importCount);
} else if (!foundClass) { // if no classes found in this folder yet
if (files[i].endsWith(".class")) {
//System.out.println("unique class: " + files[i] + " for " + sofar);
table.put(sofar, new Object());
foundClass = true;
}
}
}
//return importCount;
}
/*
static public int magicImportsRecursive(File dir, String sofar,
Hashtable table) {
//String imports[],
//int importCount) {
System.err.println("checking dir '" + dir + "'");
String files[] = dir.list();
for (int i = 0; i < files.length; i++) {
if (files[i].equals(".") || files[i].equals("..")) continue;
File sub = new File(dir, files[i]);
if (sub.isDirectory()) {
String nowfar = (sofar == null) ?
files[i] : (sofar + "." + files[i]);
//System.out.println(nowfar);
imports[importCount++] = nowfar;
importCount = magicImportsRecursive(sub, nowfar,
imports, importCount);
}
}
return importCount;
}
*/
}