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.IBinaryField;
-import org.eclipse.jdt.internal.compiler.env.IBinaryMethod;
-import org.eclipse.jdt.internal.compiler.env.IBinaryNestedType;
-import org.eclipse.jdt.internal.compiler.env.IBinaryType;
-import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
-import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
-import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
-import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
-import org.eclipse.jdt.internal.compiler.impl.Constant;
+import org.eclipse.jdt.internal.compiler.env.*;
+import org.eclipse.jdt.internal.compiler.impl.*;
import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory;
public class Compiler {
+ // Static Entry Point /////////////////////////////////////////////////////
+
+ public static void main(String[] args) {
+ boolean verbose = false;
+ List srcdir = new ArrayList();
+ String source = null, target = null, blddir = null;
+
+ 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; }
+ blddir = args[++i];
+ 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;
+ case 'h':
+ printHelp(); return;
+
+ }
+ } else srcdir.add(args[i]);
+ }
+
+ Compiler c = new Compiler();
+ if (blddir != null) c.setBuildDir(blddir);
+ if (source != null) c.setSource(source);
+ if (target != null) c.setTarget(target);
+
+ String[] s = new String[srcdir.size()];
+ srcdir.toArray(s);
+ c.setSourceDirs(s);
+
+ c.setVerbose(verbose);
+ c.compile();
+ }
+ private static void printHelp() {
+ System.out.println("Usage java -cp ... org.ibex.tool.Compiler [options] <source dir> ...");
+ System.out.println("Options:");
+ System.out.println(" -d <directory> Location for generated class files.");
+ System.out.println(" -s <release> Compile with specified source compatibility.");
+ System.out.println(" -t <release> Compile with specified class file compatibility.");
+ System.out.println(" -v 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 Writer out = new PrintWriter(System.out);
- private Preprocessor preprocessor = new Preprocessor(null, null, Collections.EMPTY_LIST);
+ private PrintWriter out = new PrintWriter(System.out);
+ private Preprocessor preprocessor;
private Source[] sources;
- private ICompilationUnit[] units;
+ private File builddir = new File(".");
+ private String[] sourcedirs = new String[0];
- public static void main(String[] args) {
- new Compiler(args);
+ private PrintWriter warn;
+ private boolean hasErrors;
+ private boolean verbose = false;
+
+ 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 Compiler(String[] files) {
- sources = new Source[files.length];
- units = new ICompilationUnit[files.length];
- for (int i=0; i < files.length; i++) {
- char[][] n = classname(files[i]);
- sources[i] = new Source(new File(files[i]), name(n), pack(n));
- units[i] = sources[i].unit;
+ public void setBuildDir(String dir) { 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) { settings.put(CompilerOptions.OPTION_Source, v); }
+
+ /** Pass CompilerOptions.VERSION_1_*. A String of form "1.1", ".2", etc. */
+ public void setTarget(String v) { settings.put(CompilerOptions.OPTION_TargetPlatform, v); }
+
+ public void setBuilddir(File f) { builddir = f; }
+
+ public void setVerbose(boolean v) { verbose = v; }
+
+ public void compile() {
+ List s = new ArrayList();
+ for (int i=0; i < sourcedirs.length; i++) {
+ File src = new File(sourcedirs[i]);
+ if (!src.exists()) {
+ if (verbose) System.err.println("source directory not found: "+sourcedirs[i]);
+ continue;
+ }
+ filterSources(s, src, new char[0][], sourcedirs[i]);
+ }
+
+ if (verbose) 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 (!hasErrors) { out.write(w.toString()); out.flush(); }
+ warn = null;
}
+ 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;
+ }
- // Compiler Parameters ////////////////////////////////////////////////////
+ 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) {
+ System.out.println("Preprocessor Errors, "+err); // FIXME
+ 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;
final static class LoadedField implements IBinaryField {
private Field f;
- LoadedField(Field f) { this.f = f; }
- public Constant getConstant() { return Constant.NotAConstant; }// FIXME
- public char[] getTypeName() { return typeName(f.getType()); }
- public char[] getName() { return f.getName().toCharArray(); }
- public int getModifiers() { return f.getModifiers(); }
- }
+ private Constant c;
- private static char[] typeName(Class p) {
- StringBuffer sb = new StringBuffer();
- typeName(p, sb);
- return sb.toString().toCharArray();
- }
- 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); break;
+ LoadedField(Field f) {
+ this.f = f;
+ int m = f.getModifiers();
- 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(';');
+ 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) {}
+ }
}
- }
- 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();
+ 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 {
public char[] getSelector() { return m.getName().toCharArray(); }
public boolean isConstructor() { return false; }
public boolean isClinit() { return false; }
- public char[][] getArgumentNames() { return null; } // FIXME: does this do anything cool?
+ public char[][] getArgumentNames() { return null; } // FEATURE: does this do anything cool?
public char[][] getExceptionTypeNames() { return ex; }
public char[] getMethodDescriptor() { return desc; }
}
for (int i=0; i < nested.length; i++)
nested[i] = new LoadedNestedType(classes[i]);
- Constructor[] constructors = c.getConstructors();
+ Constructor[] constructors = c.getDeclaredConstructors();
Method[] methods = c.getDeclaredMethods();
if (methods.length + constructors.length > 0) {
meth = new IBinaryMethod[methods.length + constructors.length];
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));
+ }
}
- private final INameEnvironment env = new INameEnvironment() {
+ // 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 (verbose) System.out.print("findType: "+ str(p, '.') + "."+new String(n));
+
try {
Class c = Class.forName(str(p, '.') + '.' + new String(n));
+ if (verbose) 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 (verbose) System.out.println(" not found, unknown java.*");
+ return null;
+ }
+
try {
- for (int i=0; i < sources.length; i++)
- if (eq(n, sources[i].n) && eq(p, sources[i].p))
- return sources[i].compiled == null ?
- new NameEnvironmentAnswer(sources[i].unit) :
- new NameEnvironmentAnswer(new ClassFileReader(sources[i].compiled,
- sources[i].orig.getName().toCharArray(), true));
+ 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 (verbose) System.out.println(" found reader");
+ return new NameEnvironmentAnswer(s.reader);
+ }
+ if (s.compiled != null) {
+ if (verbose) System.out.println(" found compiled, new reader");
+ s.reader = new ClassFileReader(s.compiled,
+ s.orig.getName().toCharArray(), true);
+ return new NameEnvironmentAnswer(s.reader);
+ }
+ if (verbose) System.out.println(" found unit");
+ return new NameEnvironmentAnswer(sources[i].unit);
+ }
+ }
} catch (ClassFormatException e) {
- System.out.println("FIXME unexpected ClassFormatException");
- e.printStackTrace();
+ System.out.println("Unexpected ClassFormatException"); // FIXME
+ e.printStackTrace(); return null;
}
+ if (verbose) System.out.println(" not found");
return null;
}
public boolean isPackage(char[][] parent, char[] name) {
+ if (verbose) System.out.println("isPackage: "+ str(parent, '.') + "."+new String(name));
String parentName = str(parent, '/');
- for (int i=0; i < sources.length; i++)
+ 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 + '/' + name + ".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_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 (verbose) System.out.println("got result: "+result);
if (result.hasProblems()) {
- boolean hasErrors = false;
+ boolean err = false;
IProblem[] p = result.getProblems();
- try {
- for (int i=0; i < p.length; i++) {
- if (p[i].isError()) hasErrors = true;
- out.write(p[i].getOriginatingFileName());
- out.write(':');
- out.write(p[i].getSourceLineNumber());
- out.write(':');
- out.write(p[i].getMessage());
- }
- } catch (IOException e) {
- System.out.println("FIXME severe: IOException on out");
- e.printStackTrace();
+ 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());
}
- if (hasErrors) return;
+ out.flush();
+ if (err) { hasErrors = true; return; }
}
ClassFile[] c = result.getClassFiles();
for (int i=0; i < c.length; i++) {
try {
- String name = str(c[i].getCompoundName(), '/') + ".class";
+ // build package path to new class file
+ File path = builddir;
+ char[][] name = c[i].getCompoundName();
+ 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(new File(name)));
+ new FileOutputStream(path));
o.write(c[i].getBytes());
o.close();
} catch (IOException e) {
- System.out.println("FIXME: IOException writing class");
+ System.out.println("IOException writing class"); // FIXME
e.printStackTrace();
}
}
}
};
+ /** Problem creater for compiler. */
private final IProblemFactory problems = new DefaultProblemFactory();
- private final class Source {
- char[] n; char[][] p;
- File orig;
- char[] processed = null;
- byte[] compiled = null;
-
- ICompilationUnit unit = new ICompilationUnit() {
- public char[] getMainTypeName() { return n; }
- public char[][] getPackageName() { return p; }
- public char[] getFileName() { return orig.getName().toCharArray(); }
- 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) {
- System.out.println("Preprocessor Errors, "+err); // FIXME
- return null;
- }
-
- processed = w.toString().toCharArray();
- } catch (IOException e) {
- System.out.println("FIXME: IOException: "+e); // FIXME
- return null;
- }
-
- return processed;
- }
- };
-
- private Source(File o, char[] n, char[][] p) {
- orig = o; this.n = n; this.p = p; }
- }
// Helper Functiosn ///////////////////////////////////////////////////////
- /** Convert source file path into class name. */
+ /** 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);
return n;
}
+ /** Convert class name into a String. */
private static String str(char[][] name, char delim) {
StringBuffer b = new StringBuffer();
- if (name != null) for (int i=0; i < name.length; i++)
- if (name[i] != null) { b.append(delim); b.append(name[i]); }
- if (b.length() > 0) b.deleteCharAt(0);
+ 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();
+ }
+
}
projects / org.ibex.tool.git / blobdiff