import java.io.*;
/** Class generation object representing the whole classfile */
-public class ClassFile implements CGConst {
+public class ClassFile extends Type.Class.Body {
private final Type.Class thisType;
- private final Type.Class superType;
- private final Type.Class[] interfaces;
+ final Type.Class superType;
+ final Type.Class[] interfaces;
private final short minor;
private final short major;
- final int flags;
private final Vector fields = new Vector();
private final Vector methods = new Vector();
-
- private final AttrGen attributes;
+ public Type.Class.Method.Body[] methods() {
+ Type.Class.Method.Body[] ret = new Type.Class.Method.Body[methods.size()];
+ methods.copyInto(ret);
+ return ret;
+ }
+
+ public Type.Class.Field.Body[] fields() {
+ Type.Class.Field.Body[] ret = new Type.Class.Field.Body[fields.size()];
+ fields.copyInto(ret);
+ return ret;
+ }
+
static String flagsToString(int flags, boolean isClass) {
StringBuffer sb = new StringBuffer(32);
- if ((flags & ACC_PUBLIC) != 0) sb.append("public ");
- if ((flags & ACC_PRIVATE) != 0) sb.append("private ");
- if ((flags & ACC_PROTECTED) != 0) sb.append("protected ");
- if ((flags & ACC_STATIC) != 0) sb.append("static ");
- if ((flags & ACC_FINAL) != 0) sb.append("final ");
- if ((flags & ACC_ABSTRACT) != 0) sb.append("abstract ");
- if (!isClass && (flags & ACC_SYNCHRONIZED) != 0) sb.append("synchronized ");
- if (!isClass && (flags & ACC_NATIVE) != 0) sb.append("native ");
- if (!isClass && (flags & ACC_STRICT) != 0) sb.append("strictfp ");
- if (!isClass && (flags & ACC_VOLATILE) != 0) sb.append("volatile ");
- if (!isClass && (flags & ACC_TRANSIENT) != 0) sb.append("transient ");
+ if ((flags & PUBLIC) != 0) sb.append("public ");
+ if ((flags & PRIVATE) != 0) sb.append("private ");
+ if ((flags & PROTECTED) != 0) sb.append("protected ");
+ if ((flags & STATIC) != 0) sb.append("static ");
+ if ((flags & FINAL) != 0) sb.append("final ");
+ if ((flags & ABSTRACT) != 0) sb.append("abstract ");
+ if (!isClass && (flags & SYNCHRONIZED) != 0) sb.append("synchronized ");
+ if (!isClass && (flags & NATIVE) != 0) sb.append("native ");
+ if (!isClass && (flags & STRICT) != 0) sb.append("strictfp ");
+ if (!isClass && (flags & VOLATILE) != 0) sb.append("volatile ");
+ if (!isClass && (flags & TRANSIENT) != 0) sb.append("transient ");
return sb.toString();
}
public Type.Class getType() { return thisType; }
+ public int getFlags() { return flags; }
- String debugToString() { return debugToString(new StringBuffer(4096)).toString(); }
- StringBuffer debugToString(StringBuffer sb) {
+ public String toString() { return toString(new StringBuffer(4096)).toString(); }
+ StringBuffer toString(StringBuffer sb) {
sb.append(flagsToString(flags,true));
- sb.append((flags & ACC_INTERFACE) != 0 ? "interface " : "class ");
- sb.append(thisType.debugToString());
- if (superType != null) sb.append(" extends " + superType.debugToString());
+ sb.append((flags & INTERFACE) != 0 ? "interface " : "class ");
+ sb.append(thisType.toString());
+ if (superType != null) sb.append(" extends " + superType.toString());
if (interfaces != null && interfaces.length > 0) sb.append(" implements");
- for(int i=0; i<interfaces.length; i++) sb.append((i==0?" ":", ")+interfaces[i].debugToString());
+ for(int i=0; i<interfaces.length; i++) sb.append((i==0?" ":", ")+interfaces[i].toString());
sb.append(" {");
sb.append(" // v"+major+"."+minor);
- ConstantPool.Utf8Key sourceFile = (ConstantPool.Utf8Key) attributes.get("SourceFile");
+ ConstantPool.Utf8Key sourceFile = (ConstantPool.Utf8Key) attrs.get("SourceFile");
if (sourceFile != null) sb.append(" from " + sourceFile.s);
sb.append("\n");
for(int i=0; i<fields.size(); i++) {
sb.append(" ");
- ((FieldGen)fields.elementAt(i)).debugToString(sb);
+ ((FieldGen)fields.elementAt(i)).toString(sb);
sb.append("\n");
}
for(int i=0; i<methods.size(); i++) {
- ((MethodGen)methods.elementAt(i)).debugToString(sb,thisType.getShortName());
+ ((MethodGen)methods.elementAt(i)).toString(sb,thisType.getShortName());
sb.append("\n");
}
sb.append("}");
public ClassFile(Type.Class thisType, Type.Class superType, int flags) { this(thisType, superType, flags, null); }
public ClassFile(Type.Class thisType, Type.Class superType, int flags, Type.Class[] interfaces) {
- if((flags & ~(ACC_PUBLIC|ACC_FINAL|ACC_SUPER|ACC_INTERFACE|ACC_ABSTRACT)) != 0)
- throw new IllegalArgumentException("invalid flags");
+ thisType.super(flags, new AttrGen());
this.thisType = thisType;
this.superType = superType;
this.interfaces = interfaces;
- this.flags = flags;
this.minor = 3;
this.major = 45;
- this.attributes = new AttrGen();
}
/** Adds a new method to this class
@param ret The return type of the method
@param args The arguments to the method
@param flags The flags for the method
- (ACC_PUBLIC, ACC_PRIVATE, ACC_PROTECTED, ACC_STATIC, ACC_SYNCHRONIZED, ACC_NATIVE, ACC_ABSTRACT, ACC_STRICT)
+ (PUBLIC, PRIVATE, PROTECTED, STATIC, SYNCHRONIZED, NATIVE, ABSTRACT, STRICT)
@return A new MethodGen object for the method
@exception IllegalArgumentException if illegal flags are specified
@see MethodGen
@see CGConst
*/
public final MethodGen addMethod(String name, Type ret, Type[] args, int flags) {
- MethodGen mg = new MethodGen(this, name, ret, args, flags, (this.flags & ACC_INTERFACE) != 0);
+ return addMethod(getType().method(name, ret, args),flags);
+ }
+ public final MethodGen addMethod(Type.Class.Method method,int flags) {
+ MethodGen mg = new MethodGen(method, flags);
methods.addElement(mg);
return mg;
}
@param name The name of the filed (not the signature, just the name)
@param type The type of the field
@param flags The flags for the field
- (ACC_PUBLIC, ACC_PRIVATE, ACC_PROTECTED, ACC_STATIC, ACC_FINAL, ACC_VOLATILE, ACC_TRANSIENT)
+ (PUBLIC, PRIVATE, PROTECTED, STATIC, FINAL, VOLATILE, TRANSIENT)
@return A new FieldGen object for the method
@exception IllegalArgumentException if illegal flags are specified
@see FieldGen
@see CGConst
*/
public final FieldGen addField(String name, Type type, int flags) {
- FieldGen fg = new FieldGen(this, name, type, flags);
+ return addField(getType().field(name,type),flags);
+ }
+ public final FieldGen addField(Type.Class.Field field, int flags) {
+ FieldGen fg = new FieldGen(field , flags);
fields.addElement(fg);
return fg;
}
/** Sets the source value of the SourceFile attribute of this class
@param sourceFile The string to be uses as the SourceFile of this class
*/
- public void setSourceFile(String sourceFile) { attributes.put("SourceFile", new ConstantPool.Utf8Key(sourceFile)); }
+ public void setSourceFile(String sourceFile) { attrs.put("SourceFile", new ConstantPool.Utf8Key(sourceFile)); }
/** Writes the classfile data to the file specifed
@see ClassFile#dump(OutputStream)
if(interfaces != null) for(int i=0;i<interfaces.length;i++) cp.add(interfaces[i]);
for(int i=0;i<methods.size();i++) ((MethodGen)methods.elementAt(i)).finish(cp);
for(int i=0;i<fields.size();i++) ((FieldGen)fields.elementAt(i)).finish(cp);
- attributes.finish(cp);
+ attrs.finish(cp);
cp.optimize();
cp.seal();
o.writeShort(methods.size()); // methods_count
for(int i=0;i<methods.size();i++) ((MethodGen)methods.elementAt(i)).dump(o,cp); // methods
- attributes.dump(o,cp); // attributes
+ attrs.dump(o,cp); // attributes
}
public static ClassFile read(String s) throws IOException { return read(new File(s)); }
}
}
- ClassFile(DataInput i) throws IOException {
- int magic = i.readInt();
+ public ClassFile(DataInput i) throws IOException { this(i, false); }
+ public ClassFile(DataInput i, boolean ssa) throws IOException {
+ this(i.readInt(), i.readShort(), i.readShort(), new ConstantPool(i), i.readShort(), i, ssa);
+ }
+ private ClassFile(int magic, short minor, short major, ConstantPool cp,
+ short flags, DataInput i, boolean ssa) throws IOException {
+ this(magic, minor, major, cp, flags, (Type.Class)cp.getKeyByIndex(i.readShort()), i, ssa);
+ }
+ private ClassFile(int magic, short minor, short major, ConstantPool cp, short flags,
+ Type.Class thisType, DataInput i, boolean ssa) throws IOException {
+ thisType.super(flags, null);
if (magic != 0xcafebabe) throw new ClassReadExn("invalid magic: " + Long.toString(0xffffffffL & magic, 16));
- minor = i.readShort();
- major = i.readShort();
- ConstantPool cp = new ConstantPool(i);
- flags = i.readShort();
- if((flags & ~(ACC_PUBLIC|ACC_FINAL|ACC_SUPER|ACC_INTERFACE|ACC_ABSTRACT)) != 0)
- throw new ClassReadExn("invalid flags: " + Integer.toString(flags,16));
- thisType = (Type.Class) cp.getKeyByIndex(i.readShort());
+ this.minor = minor;
+ this.major = major;
+ this.thisType = thisType;
superType = (Type.Class) cp.getKeyByIndex(i.readShort());
interfaces = new Type.Class[i.readShort()];
for(int j=0; j<interfaces.length; j++) interfaces[j] = (Type.Class) cp.getKeyByIndex(i.readShort());
int numFields = i.readShort();
- for(int j=0; j<numFields; j++) fields.addElement(new FieldGen(i, cp));
+ for(int j=0; j<numFields; j++) fields.addElement(new FieldGen(this.getType(), i, cp));
int numMethods = i.readShort();
- for(int j=0; j<numMethods; j++) methods.addElement(new MethodGen(this, i, cp, (this.flags & ACC_INTERFACE) != 0));
- attributes = new AttrGen(i, cp);
+ for(int j=0; j<numMethods; j++) methods.addElement(ssa
+ ? new JSSA(this.getType(), i, cp)
+ : new MethodGen(this.getType(), i, cp));
+ readAttributes(i, cp);
// FEATURE: Support these
// NOTE: Until we can support them properly we HAVE to delete them,
// they'll be incorrect after we rewrite the constant pool, etc
- attributes.remove("InnerClasses");
+ attrs.remove("InnerClasses");
}
/** Thrown when class generation fails for a reason not under the control of the user
}
else if (args.length==1) {
if (args[0].endsWith(".class")) {
- System.out.println(new ClassFile(new DataInputStream(new FileInputStream(args[0]))).debugToString());
+ System.out.println(new ClassFile(new DataInputStream(new FileInputStream(args[0]))).toString());
} else {
InputStream is = Class.forName(args[0]).getClassLoader().getResourceAsStream(args[0].replace('.', '/')+".class");
- System.out.println(new ClassFile(new DataInputStream(is)).debugToString());
+ System.out.println(new ClassFile(new DataInputStream(is)).toString());
}
} else {
/*
Type.Class me = new Type.Class("Test");
- ClassFile cg = new ClassFile("Test", "java.lang.Object", ACC_PUBLIC|ACC_SUPER|ACC_FINAL);
- FieldGen fg = cg.addField("foo", Type.INT, ACC_PUBLIC|ACC_STATIC);
+ ClassFile cg = new ClassFile("Test", "java.lang.Object", PUBLIC|SUPER|FINAL);
+ FieldGen fg = cg.addField("foo", Type.INT, PUBLIC|STATIC);
- MethodGen mg = cg.addMethod("main", Type.VOID, new Type[]{Type.arrayType(Type.STRING)}, ACC_STATIC|ACC_PUBLIC);
+ MethodGen mg = cg.addMethod("main", Type.VOID, new Type[]{Type.arrayType(Type.STRING)}, STATIC|PUBLIC);
mg.setMaxLocals(1);
mg.addPushConst(0);
//mg.add(ISTORE_0);
projects / org.ibex.classgen.git / blobdiff