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 {
}
- // Compiler Parameters ////////////////////////////////////////////////////
+ /** Represents a file to be compiled. */
+ 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("IOException: "+e); // FIXME
+ return null;
+ }
+
+ return processed;
+ }
+ };
+
+ private Source(File o, char[] n, char[][] p) {
+ orig = o; this.n = n; this.p = p; }
+ }
+
+ // 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.class) {
+ c = new BooleanConstant(f.getBoolean(null));
+ } else if (type == Byte.class) {
+ c = new ByteConstant(f.getByte(null));
+ } else if (type == Character.class) {
+ c = new CharConstant(f.getChar(null));
+ } else if (type == Double.class) {
+ c = new DoubleConstant(f.getDouble(null));
+ } else if (type == Float.class) {
+ c = new FloatConstant(f.getFloat(null));
+ } else if (type == Integer.class) {
+ c = new IntConstant(f.getInt(null));
+ } else if (type == Long.class) {
+ c = new LongConstant(f.getLong(null));
+ } else if (type == Short.class) {
+ 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; }
}
}
- 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) {
try {
new NameEnvironmentAnswer(new ClassFileReader(sources[i].compiled,
sources[i].orig.getName().toCharArray(), true));
} catch (ClassFormatException e) {
- System.out.println("FIXME unexpected ClassFormatException");
+ System.out.println("Unexpected ClassFormatException"); // FIXME
e.printStackTrace();
}
return 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 (result.hasProblems()) {
out.write(p[i].getMessage());
}
} catch (IOException e) {
- System.out.println("FIXME severe: IOException on out");
+ System.out.println("severe: IOException on out"); // FIXME
e.printStackTrace();
}
if (hasErrors) return;
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();
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++)
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.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.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); 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();
+ }
+
}
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