X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fibex%2Ftool%2FCompiler.java;fp=src%2Forg%2Fibex%2Ftool%2FCompiler.java;h=382cf74c347218b1118b4383f9e1d43e37fc2e28;hb=040fa5af2cd00017cf3575950cdaade34a6d7f6c;hp=0000000000000000000000000000000000000000;hpb=a580fb8376d315d05e4d6bfdff9ff1101a151cd6;p=org.ibex.tool.git diff --git a/src/org/ibex/tool/Compiler.java b/src/org/ibex/tool/Compiler.java new file mode 100644 index 0000000..382cf74 --- /dev/null +++ b/src/org/ibex/tool/Compiler.java @@ -0,0 +1,804 @@ +package org.ibex.tool; + +import java.io.*; +import java.util.*; +import java.util.zip.*; +import java.util.jar.*; + +import java.lang.reflect.*; + +import org.eclipse.jdt.core.compiler.IProblem; +import org.eclipse.jdt.internal.compiler.ClassFile; +import org.eclipse.jdt.internal.compiler.CompilationResult; +//import org.eclipse.jdt.internal.compiler.Compiler; +import org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies; +import org.eclipse.jdt.internal.compiler.ICompilerRequestor; +import org.eclipse.jdt.internal.compiler.IErrorHandlingPolicy; +import org.eclipse.jdt.internal.compiler.IProblemFactory; +import org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader; +import org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException; +import org.eclipse.jdt.internal.compiler.env.*; +import org.eclipse.jdt.internal.compiler.impl.*; +import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory; + +// FEATURE: add build dependencies like make (grab some Java dependency-checker code off the net?) + +public class Compiler { + // Static Entry Point ///////////////////////////////////////////////////// + + public static void main(String[] args) throws IOException { + boolean verbose = false, veryverbose = false, warnings = true; + List srcdir = new ArrayList(); + String source = null, target = null, blddir = null, mainclass = null; + boolean buildjar = false; + + if (args.length == 0) args = new String[] { "--help" }; + for (int i=0; i < args.length; i++) { + if (args[i].charAt(0) == '-') { + if (args[i].length() == 1) { + System.out.println("Illegal switch: -"); return; } + switch (args[i].charAt(1)) { + case '-': + if (args[i].equals("--help")) printHelp(); + else System.out.println("Unknown switch: -"); + return; + case 'd': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + if (blddir != null) { System.out.println("cannot specify both -d and -j"); return; } + blddir = args[++i]; + break; + case 'j': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + if (blddir != null) { System.out.println("cannot specify both -d and -j"); return; } + blddir = args[++i]; + buildjar = true; + break; + case 'm': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + mainclass = args[++i]; + break; + case 'w': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + warnings = false; + break; + case 's': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + source = args[++i]; + break; + case 't': + if (i == args.length - 1) { + System.out.println("Missing parameter: "+args[i]); return; } + target = args[++i]; + break; + case 'v': + verbose = true; + break; + case 'V': + veryverbose = true; + break; + case 'h': + printHelp(); return; + + } + } else srcdir.add(args[i]); + } + + Compiler c = new Compiler(); + if (blddir != null) { + if (buildjar) c.setBuildJar(blddir); + else c.setBuildDir(blddir); + } + if (source != null) c.setSource(source); + if (target != null) c.setTarget(target); + if (mainclass != null) c.setMainClass(mainclass); + + String[] s = new String[srcdir.size()]; + srcdir.toArray(s); + c.setSourceDirs(s); + + c.setVerbose(verbose); + c.setWarnings(warnings); + c.setVeryVerbose(veryverbose); + c.compile(); + } + private static void printHelp() { + System.out.println("Usage java -cp ... org.ibex.tool.Compiler [options] ..."); + System.out.println("Options:"); + System.out.println(" -d Directory to put generated class files in"); + System.out.println(" -j Jar file to put generated class files in"); + System.out.println(" -m Main-Class for jar file."); + System.out.println(" -s Compile with specified source compatibility."); + System.out.println(" -t Compile with specified class file compatibility."); + System.out.println(" -v Verbose output."); + System.out.println(" -V Very Verbose output."); + System.out.println(" -h or --help Print this message."); + System.out.println(""); + } + + + // Compiler Interface ///////////////////////////////////////////////////// + + private ClassLoader loader = ClassLoader.getSystemClassLoader(); + private Map loaded = new HashMap(); + private PrintWriter out = new PrintWriter(System.out); + private Preprocessor preprocessor; + + private Source[] sources; + + private File builddir = null; + private boolean buildzip = false; + private ZipOutputStream jarfile = null; + private String mainclass = null; + + private String[] sourcedirs = new String[0]; + + private PrintWriter warn; + private boolean hasErrors; + private boolean verbose = false; + private boolean veryverbose = false; + private boolean warnings = true; + + public Compiler() { + List defs = Collections.EMPTY_LIST; + + String define = System.getProperty("org.ibex.tool.preprocessor.define"); + if (define != null) { + defs = new ArrayList(); + StringTokenizer st = new StringTokenizer(define.toUpperCase(), ","); + while (st.hasMoreTokens()) defs.add(st.nextToken().trim()); + } + + preprocessor = new Preprocessor(null, null, defs); + } + + public void setMainClass(String mainclass) { this.mainclass = mainclass; } + public void setBuildJar(String dir) throws IOException { + builddir = new File(dir == null ? "." : dir); + buildzip = true; + } + public void setBuildDir(String dir) throws IOException { + builddir = new File(dir == null ? "." : dir); + } + + public void setSourceDirs(String[] dir) { sourcedirs = dir; } + + /** Pass CompilerOptions.VERSION_1_*. A String of form "1.1", ".2", etc. */ + public void setSource(String v) { + if (v.equals("1.1")) settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_1); + else if (v.equals("1.2")) settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_2); + else if (v.equals("1.3")) settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_3); + else if (v.equals("1.4")) settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_4); + else if (v.equals("1.5")) settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_5); + else throw new RuntimeException("I have no idea what Java " + v + " is. Ask David Crawshaw."); + } + + /** Pass CompilerOptions.VERSION_1_*. A String of form "1.1", ".2", etc. */ + public void setTarget(String v) { + if (v.equals("1.1")) settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_1); + else if (v.equals("1.2")) settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_2); + else if (v.equals("1.3")) settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_3); + else if (v.equals("1.4")) settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_4); + else if (v.equals("1.5")) settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_5); + else throw new RuntimeException("I have no idea what Java " + v + " is. Ask David Crawshaw."); + } + + public void setVerbose(boolean v) { verbose = v; } + public void setVeryVerbose(boolean v) { veryverbose = v; } + public void setWarnings(boolean w) { warnings = w; } + + public void compile() throws IOException { + List s = new ArrayList(); + + if (buildzip) { + Manifest m = new Manifest(); + m.getMainAttributes().putValue("Manifest-Version", "1.0"); + if (mainclass != null) m.getMainAttributes().putValue("Main-Class", mainclass); + jarfile = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(builddir)), m); + } + for (int i=0; i < sourcedirs.length; i++) { + File src = new File(sourcedirs[i]); + if (!src.exists()) { + if (veryverbose) System.out.println("source directory not found: "+sourcedirs[i]); + continue; + } + filterSources(s, src, new char[0][], sourcedirs[i]); + } + + if (veryverbose) System.out.println("working with "+s.size() +" sources"); + sources = new Source[s.size()]; s.toArray(sources); + ICompilationUnit[] units = new ICompilationUnit[s.size()]; + int u = 0; for (int i=0; i < sources.length; i++) + if (sources[i].compiled == null) units[u++] = sources[i].unit; + if (u != units.length) { + ICompilationUnit[] newu = new ICompilationUnit[u]; + System.arraycopy(units, 0, newu, 0, u); + units = newu; + } + + hasErrors = false; + + StringWriter sw = new StringWriter(); + StringBuffer w = sw.getBuffer(); + warn = new PrintWriter(sw); + + org.eclipse.jdt.internal.compiler.Compiler jdt = + new org.eclipse.jdt.internal.compiler.Compiler( + env, policy, settings, results, problems); + jdt.compile(units); + + if (warnings && !hasErrors) { out.write(w.toString()); out.flush(); } + warn = null; + try { + if (jarfile != null) jarfile.close(); + } catch (Exception e) { + e.printStackTrace(); + } + if (verbose) System.out.print(clearing + " \r"); + } + + private final FilenameFilter filterSrcs = new FilenameFilter() { + public boolean accept(File dir, String name) { return name.endsWith(".java"); } + }; + private final FileFilter filterDirs = new FileFilter() { + public boolean accept(File path) { return path.isDirectory(); } + }; + private byte[] bytes(File bfile) { + byte[] bytes = new byte[2 * 1024]; + int pos = 0, in = 0; + try { + InputStream bin = new FileInputStream(bfile); + while ((in = bin.read(bytes, pos, bytes.length - pos)) != -1) { + pos += in; + if (pos == bytes.length) { + byte[] newbytes= new byte[pos * 2]; + System.arraycopy(bytes, 0, newbytes, 0, pos); + bytes = newbytes; + } + } + bin.close(); + } catch (IOException e) { + System.out.println("Error reading class file"); // FIXME + e.printStackTrace(); return null; + } + + if (pos != bytes.length) { + byte[] newbytes= new byte[pos * 2]; + System.arraycopy(bytes, 0, newbytes, 0, pos); + bytes = newbytes; + } + + return bytes; + } + private void filterSources(List s, File dir, char[][] pack, String srcdir) { + List bclasses = new ArrayList(); + File bdir = new File(builddir, str(pack, File.separatorChar)); + + // add the java files in this directory + File[] ja = dir.listFiles(filterSrcs); + for (int i=0; i < ja.length; i++) { + char[] n = name(classname(ja[i].getName())); + Source src = new Source(ja[i], n, pack, srcdir); + + // skip the file if the build version is newer than the source + String bclass = new String(n); + File bfile = new File(bdir, bclass + ".class"); + if (bfile.lastModified() > ja[i].lastModified()) { + src.compiled = bytes(bfile); + bclasses.add(bclass); + } + + s.add(src); + } + + // process the inner classes of any binary files + for (int i=0; i < bclasses.size(); i++) { + final String bc = (String)bclasses.get(i); + final FilenameFilter f = new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.length() > bc.length() && name.startsWith(bc) && + name.charAt(bc.length()) == '$' && name.endsWith(".class"); + } + }; + File[] bfile = bdir.listFiles(f); + for (int j=0; j < bfile.length; j++) { + Source src = new Source(bfile[j], + name(classname(bfile[j].getName())), pack, srcdir); + src.compiled = bytes(bfile[j]); + s.add(src); + } + } + + // add the subdirectories as packages + File[] d = dir.listFiles(filterDirs); + for (int i=0; i < d.length; i++) { + char[][] newpack = new char[pack.length + 1][]; + for (int j=0; j < pack.length; j++) newpack[j] = pack[j]; + newpack[pack.length] = d[i].getName().toCharArray(); + filterSources(s, d[i], newpack, srcdir); + } + } + + + /** Represents a file to be compiled. */ + final class Source { + char[] fileName; + char[] n; char[][] p; + File orig; + char[] processed = null; + byte[] compiled = null; + ClassFileReader reader = null; + + final ICompilationUnit unit = new ICompilationUnit() { + public char[] getMainTypeName() { return n; } + public char[][] getPackageName() { return p; } + public char[] getFileName() { return fileName; } + public char[] getContents() { + if (processed != null) return processed; + + try { + Reader r = new InputStreamReader(new BufferedInputStream( + new FileInputStream(orig))); + StringWriter w = new StringWriter(); + Vector err; + + synchronized (preprocessor) { + preprocessor.setReader(r); + preprocessor.setWriter(w); + err = preprocessor.process(); + } + + if (err.size() > 0) { + for (int i=0; i < err.size(); i++) { + Preprocessor.Warning warn = (Preprocessor.Warning)err.get(i); + out.print(getFileName()); + out.print(':'); + out.print(warn.getLine()); + out.print(':'); + out.print(warn instanceof Preprocessor.Error ? + " error: " : " warning: "); + out.println(warn.getMessage()); + } + return null; + } + + processed = w.toString().toCharArray(); + } catch (IOException e) { + System.out.println("IOException: "+e); // FIXME + return null; + } + + return processed; + } + }; + + private Source(File o, char[] n, char[][] p, String srcdir) { + orig = o; this.n = n; this.p = p; + String file = srcdir; + file += File.separatorChar + str(p, File.separatorChar); + file += File.separatorChar + new String(n) + ".java"; + fileName = file.toCharArray(); + } + } + + // ClassLoader Wrappers /////////////////////////////////////////////////// + + final static class LoadedNestedType implements IBinaryNestedType { + private Class c; + LoadedNestedType(Class c) { this.c = c; } + public char[] getName() { return name(c); } + public char[] getEnclosingTypeName() { return name(c.getDeclaringClass()); } + public int getModifiers() { return c.getModifiers(); } + } + + final static class LoadedField implements IBinaryField { + private Field f; + private Constant c; + + LoadedField(Field f) { + this.f = f; + int m = f.getModifiers(); + + c = Constant.NotAConstant; + if (Modifier.isFinal(m) && Modifier.isStatic(m)) { + try { + Class type = f.getType(); + if (type == Boolean.TYPE) { + c = new BooleanConstant(f.getBoolean(null)); + } else if (type == Byte.TYPE) { + c = new ByteConstant(f.getByte(null)); + } else if (type == Character.TYPE) { + c = new CharConstant(f.getChar(null)); + } else if (type == Double.TYPE) { + c = new DoubleConstant(f.getDouble(null)); + } else if (type == Float.TYPE) { + c = new FloatConstant(f.getFloat(null)); + } else if (type == Integer.TYPE) { + c = new IntConstant(f.getInt(null)); + } else if (type == Long.TYPE) { + c = new LongConstant(f.getLong(null)); + } else if (type == Short.TYPE) { + c = new ShortConstant(f.getShort(null)); + } else if (type == String.class) { + c = new StringConstant((String)f.get(null)); + } + } catch (IllegalAccessException e) {} + } + } + public Constant getConstant() { return c; } + public char[] getTypeName() { return typeName(f.getType()); } + public char[] getName() { return f.getName().toCharArray(); } + public int getModifiers() { return f.getModifiers(); } + } + + final static class LoadedConstructor implements IBinaryMethod { + private Constructor c; + private char[][] ex; + private char[] desc; + + LoadedConstructor(Constructor c) { + this.c = c; + + Class[] exs = c.getExceptionTypes(); + ex = new char[exs.length][]; + for (int i=0; i < ex.length; i++) ex[i] = name(exs[i]); + + desc = descriptor(c.getParameterTypes(), null); + } + public int getModifiers() { return c.getModifiers(); } + public char[] getSelector() { return c.getName().toCharArray(); } + public boolean isConstructor() { return true; } + public boolean isClinit() { return false; } + public char[][] getArgumentNames() { return null; } + public char[][] getExceptionTypeNames() { return ex; } + public char[] getMethodDescriptor() { return desc; } + } + + final static class LoadedMethod implements IBinaryMethod { + private Method m; + private char[][] ex; + private char[] desc; + + LoadedMethod(Method m) { + this.m = m; + + Class[] exs = m.getExceptionTypes(); + ex = new char[exs.length][]; + for (int i=0; i < ex.length; i++) ex[i] = name(exs[i]); + + desc = descriptor(m.getParameterTypes(), m.getReturnType()); + } + public int getModifiers() { return m.getModifiers(); } + public char[] getSelector() { return m.getName().toCharArray(); } + public boolean isConstructor() { return false; } + public boolean isClinit() { return false; } + public char[][] getArgumentNames() { return null; } // FEATURE: does this do anything cool? + public char[][] getExceptionTypeNames() { return ex; } + public char[] getMethodDescriptor() { return desc; } + } + + final static class LoadedClass implements IBinaryType { + private Class c; + private IBinaryField[] f; + private char[][] inf; + private IBinaryNestedType[] nested; + private IBinaryMethod[] meth = null; + + LoadedClass(Class c) { + this.c = c; + + Field[] fields = c.getDeclaredFields(); + List flist = new ArrayList(fields.length); + for (int i=0; i < fields.length; i++) + if (!Modifier.isPrivate(fields[i].getModifiers())) + flist.add(new LoadedField(fields[i])); + f = new IBinaryField[flist.size()]; + flist.toArray(f); + + Class[] interfaces = c.getInterfaces(); + inf = new char[interfaces.length][]; + for (int i=0; i < inf.length; i++) inf[i] = name(interfaces[i]); + + Class[] classes = c.getClasses(); + nested = new IBinaryNestedType[classes.length]; + for (int i=0; i < nested.length; i++) + nested[i] = new LoadedNestedType(classes[i]); + + Constructor[] constructors = c.getDeclaredConstructors(); + Method[] methods = c.getDeclaredMethods(); + if (methods.length + constructors.length > 0) { + List m = new ArrayList(methods.length + constructors.length); + for (int j=0; j < methods.length; j++) + if (!Modifier.isPrivate(methods[j].getModifiers())) + m.add(new LoadedMethod(methods[j])); + for (int j=0; j < constructors.length; j++) + if (!Modifier.isPrivate(constructors[j].getModifiers())) + m.add(new LoadedConstructor(constructors[j])); + meth = new IBinaryMethod[m.size()]; m.toArray(meth); + } + } + + public char[] getName() { return name(c); } + public char[] getEnclosingTypeName() { return name(c.getDeclaringClass()); } + public char[] getSuperclassName() { return name(c.getSuperclass()); } + public IBinaryField[] getFields() { return f; } + public char[][] getInterfaceNames() { return inf; } + public IBinaryNestedType[] getMemberTypes() { return nested; } + public IBinaryMethod[] getMethods() { return meth; } + public int getModifiers() { return c.getModifiers(); } + + public boolean isBinaryType() { return true; } + public boolean isClass() { return true; } + public boolean isInterface() { return c.isInterface(); } + public boolean isAnonymous() { return false; } + public boolean isLocal() { return false; } // FIXME + public boolean isMember() { return false; } // FIXME + public char[] sourceFileName() { return null; } + public char[] getFileName() { return null; } + + public boolean equals(Object o) { + return o == this || super.equals(o) || + (o != null && o instanceof LoadedClass && + c.equals(((LoadedClass)o).c)); + } + } + + + // Compiler Parameters //////////////////////////////////////////////////// + + /** Used by compiler to resolve classes. */ + final INameEnvironment env = new INameEnvironment() { + public NameEnvironmentAnswer findType(char[][] c) { return findType(name(c), pack(c)); } + public NameEnvironmentAnswer findType(char[] n, char[][] p) { + if (veryverbose) System.out.print("findType: "+ str(p, '.') + "."+new String(n)); + + try { + Class c = Class.forName(str(p, '.') + '.' + new String(n)); + if (veryverbose) System.out.println(" found in classloader: "+ c); + IBinaryType b = (IBinaryType)loaded.get(c); + if (b == null) loaded.put(c, b = new LoadedClass(c)); + return new NameEnvironmentAnswer(b); + } catch (ClassNotFoundException e) {} + + // cut out searches for java.* packages in sources list + if (p.length > 0 && eq(p[0], "java".toCharArray())) { + if (veryverbose) System.out.println(" not found, unknown java.*"); + return null; + } + + try { + for (int i=0; i < sources.length; i++) { + Source s = sources[i]; + if (eq(n, s.n) && eq(p, s.p)) { + if (s.reader != null) { + if (veryverbose) System.out.println(" found reader"); + return new NameEnvironmentAnswer(s.reader); + } + if (s.compiled != null) { + if (veryverbose) System.out.println(" found compiled, new reader"); + s.reader = new ClassFileReader(s.compiled, + s.orig.getName().toCharArray(), true); + return new NameEnvironmentAnswer(s.reader); + } + if (veryverbose) System.out.println(" found unit"); + return new NameEnvironmentAnswer(sources[i].unit); + } + } + } catch (ClassFormatException e) { + System.out.println("Unexpected ClassFormatException"); // FIXME + e.printStackTrace(); return null; + } + if (veryverbose) System.out.println(" not found"); + return null; + } + public boolean isPackage(char[][] parent, char[] name) { + if (veryverbose) System.out.println("isPackage: "+ str(parent, '.') + "."+new String(name)); + String parentName = str(parent, '/'); + for (int i=0; i < sources.length; i++) { + if (eq(name, sources[i].n) && eq(parent, sources[i].p)) return false; + if (eq(pack(sources[i].p), parent) && eq(name(sources[i].p), name)) return true; + } + return + loader.getResource(parentName + ".class") == null && + loader.getResource(parentName + '/' + new String(name) + ".class") == null; + } + public void cleanup() {} + }; + + /** Used by compiler to decide what do with problems.. */ + private final IErrorHandlingPolicy policy = + DefaultErrorHandlingPolicies.proceedWithAllProblems(); + + /** Used by compiler for general options. */ + private final Map settings = new HashMap(); + { + settings.put(CompilerOptions.OPTION_LineNumberAttribute, CompilerOptions.GENERATE); + settings.put(CompilerOptions.OPTION_SourceFileAttribute, CompilerOptions.GENERATE); + settings.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_5); + settings.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_1); + }; + + /** Used by compiler for processing compiled classes and their errors. */ + private final ICompilerRequestor results = new ICompilerRequestor() { + public void acceptResult(CompilationResult result) { + if (veryverbose) System.out.println("got result: "+result); + if (result.hasProblems()) { + boolean err = false; + IProblem[] p = result.getProblems(); + PrintWriter o; + for (int i=0; i < p.length; i++) { + if (p[i].isError()) { o = out; err = true; } + else o = warn; + + o.print(p[i].getOriginatingFileName()); + o.print(':'); + o.print(p[i].getSourceLineNumber()); + o.print(':'); + o.print(p[i].isError() ? " error: " : " warning: "); + o.println(p[i].getMessage()); + } + out.flush(); + if (err) { hasErrors = true; return; } + } + + ClassFile[] c = result.getClassFiles(); + for (int i=0; i < c.length; i++) { + try { + char[][] name = c[i].getCompoundName(); + if (verbose) { + String pct = ""; + /*+ percent; + percent++; + while (pct.length() < 2) pct = " " + pct; + pct = "(" + pct + "%) "; + */ + String printme = " writing: " + pct + str(pack(name),'.') + "." + new String(name(name)); + if (clearing.length() < printme.length()) clearing = ""; + else clearing = clearing.substring(printme.length()); + System.out.print(printme + clearing + "\r"); + for(clearing = ""; clearing.length() < printme.length() + 5; clearing += " "); + } + if (buildzip) { + try { + jarfile.putNextEntry(new ZipEntry(str(pack(name), '/') + "/" + new String(name(name)) + ".class")); + jarfile.write(c[i].getBytes()); + } catch (java.util.zip.ZipException ze) { + // HACK: horrendous hack + if (ze.getMessage().indexOf("duplicate entry") != -1) { + //System.out.println("compiler emitted class twice: " + new String(name(name))); + } else { + throw ze; + } + } + } else { + // build package path to new class file + File path = new File(builddir, str(pack(name), '/')); + if (!path.exists()) path.mkdirs(); + // write new class file + path = new File(path, new String(name(name)) + ".class"); + OutputStream o = new BufferedOutputStream(new FileOutputStream(path)); + o.write(c[i].getBytes()); + o.close(); + } + } catch (IOException e) { + System.out.println("IOException writing class"); // FIXME + e.printStackTrace(); + } + } + } + }; + + int percent = 0; + String clearing = ""; + + /** Problem creater for compiler. */ + private final IProblemFactory problems = new DefaultProblemFactory(); + + + // Helper Functiosn /////////////////////////////////////////////////////// + + /** Convert source file path into class name block. + * eg. in: java/lang/String.java -> { {java} {lang} {String} } */ + private char[][] classname(String name) { + String delim = name.indexOf('/') == -1 ? "." : "/"; + name = name.trim(); + if (name.endsWith(".java")) name = name.substring(0, name.length() - 5); + if (name.endsWith(".class")) name = name.substring(0, name.length() - 6); + if (name.startsWith(delim)) name = name.substring(1); + + StringTokenizer st = new StringTokenizer(name, delim); + char[][] n = new char[st.countTokens()][]; + for (int i=0; st.hasMoreTokens(); i++) n[i] = st.nextToken().toCharArray(); + return n; + } + + /** Convert class name into a String. */ + private static String str(char[][] name, char delim) { + StringBuffer b = new StringBuffer(); + for (int i=0; name != null && i < name.length; i++) { + if (name[i] == null || name[i].length == 0) continue; + if (i > 0) b.append(delim); + b.append(name[i]); + } + return b.toString(); + } + + /** Returns the package component of a class name. + * Effectively returns char[length - 1][]. */ + private static char[][] pack(char[][] c) { + char[][] p = new char[c.length - 1][]; + for (int i=0; i < p.length; i++) p[i] = c[i]; + return p; + } + + /** Returns the direct-name component of a class name. + * eg. String from java.lang.String */ + private static char[] name(char[][] c) { return c[c.length - 1]; } + + /** Returns true of contents of both char arrays are equal. */ + private static boolean eq(char[][] c1, char[][] c2) { + if (c1 == null || c2 == null) return c1 == c2; + if (c1.length != c2.length) return false; + for (int i=0; i < c1.length; i++) if (!eq(c1[i], c2[i])) return false; + return true; + } + + /** Returns true of contents of both char arrays are equal. */ + private static boolean eq(char[] c1, char[] c2) { + if (c1 == null || c2 == null) return c1 == c2; + if (c1.length != c2.length) return false; + for (int i=0; i < c1.length; i++) if (c1[i] != c2[i]) return false; + return true; + } + + /** Returns class name as per VM Spec 4.2. eg. java/lang/String */ + private static char[] name(Class c) { + return c == null ? null : c.getName().replace('.', '/').toCharArray(); + } + + /** Returns the type name of a class as per VM Spec 4.3.2. */ + private static char[] typeName(Class p) { + StringBuffer sb = new StringBuffer(); + typeName(p, sb); + return sb.toString().toCharArray(); + } + + /** Returns the type name of a class as per VM Spec 4.3.2. + * eg. int -> I, String -> Ljava/lang/String; */ + private static void typeName(Class p, StringBuffer sb) { + String name = p.getName(); + switch (name.charAt(0)) { + case 'B': case 'C': case 'D': case 'F': case 'I': + case 'J': case 'S': case 'Z': case 'V': case '[': + sb.append(name(p)); break; + + case 'b': if (name.equals("boolean")) { sb.append('Z'); break; } + if (name.equals("byte")) { sb.append('B'); break; } + case 'c': if (name.equals("char")) { sb.append('C'); break; } + case 'd': if (name.equals("double")) { sb.append('D'); break; } + case 'f': if (name.equals("float")) { sb.append('F'); break; } + case 'i': if (name.equals("int")) { sb.append('I'); break; } + case 'l': if (name.equals("long")) { sb.append('J'); break; } + case 's': if (name.equals("short")) { sb.append('S'); break; } + case 'v': if (name.equals("void")) { sb.append('V'); break; } + default: + sb.append('L'); sb.append(name(p)); sb.append(';'); + } + } + + /** Returns the descriptor of a method per VM Spec 4.3.3. + * eg. int get(String n, boolean b) -> (Ljava/lang/String;B)I */ + private static char[] descriptor(Class[] p, Class r) { + StringBuffer sb = new StringBuffer(); + sb.append('('); + if (p != null) for (int i=0; i < p.length; i++) typeName(p[i], sb); + sb.append(')'); + if (r != null) typeName(r, sb); + return sb.toString().toCharArray(); + } + +}