NameAndTypeKey nt = (NameAndTypeKey) e2.key();
Type t = Type.fromDescriptor(nt.type);
if(t == null) throw new ClassGen.ClassReadExn("invalid type descriptor");
- return new FieldRef((Type.Object)e1.key(), nt.name, t);
+ return new FieldRef((Type.Class)e1.key(), nt.name, t);
}
case 10: case 11: {
NameAndTypeKey nt = (NameAndTypeKey) e2.key();
if (e1.key() == null) throw new Error(e1.tag + " => " + e1.key());
- return new MethodRef((Type.Object)e1.key(), "methodname", Type.VOID, new Type[0]); // FIXME FIXME
+ return new MethodRef((Type.Class)e1.key(), "methodname", Type.VOID, new Type[0]); // FIXME FIXME
}
case 12: {
return new NameAndTypeKey(((Utf8Ent)e1).s, ((Utf8Ent)e2).s);
return ent;
}
- if(o instanceof Type.Object) {
+ if(o instanceof Type.Class) {
CPRefEnt ce = new CPRefEnt(this, 7);
- ce.e1 = addUtf8(((Type.Object)o).internalForm());
+ ce.e1 = addUtf8(((Type.Class)o).internalForm());
ent = ce;
} else if(o instanceof String) {
CPRefEnt ce = new CPRefEnt(this, 8);
/** Class generation object representing the whole classfile */
public class ClassGen implements CGConst {
- private final Type.Object thisType;
- private final Type.Object superType;
- private final Type.Object[] interfaces;
+ private final Type.Class thisType;
+ private final Type.Class superType;
+ private final Type.Class[] interfaces;
private short minor;
private short major;
final int flags;
sb.append("}");
}
- /** @see #ClassGen(Type.Object, Type.Object, int) */
+ /** @see #ClassGen(Type.Class, Type.Class, int) */
public ClassGen(String name, String superName, int flags) {
- this(Type.fromDescriptor(name).asObject(), Type.fromDescriptor(superName).asObject(), flags);
+ this(Type.fromDescriptor(name).asClass(), Type.fromDescriptor(superName).asClass(), flags);
}
- /** @see #ClassGen(Type.Object, Type.Object, int, Type.Object[]) */
- public ClassGen(Type.Object thisType, Type.Object superType, int flags) {
+ /** @see #ClassGen(Type.Class, Type.Class, int, Type.Class[]) */
+ public ClassGen(Type.Class thisType, Type.Class superType, int flags) {
this(thisType, superType, flags, null);
}
@param superType The superclass of the generated class (commonly Type.OBJECT)
@param flags The access flags for this class (ACC_PUBLIC, ACC_FINAL, ACC_SUPER, ACC_INTERFACE, and ACC_ABSTRACT)
*/
- public ClassGen(Type.Object thisType, Type.Object superType, int flags, Type.Object[] interfaces) {
+ public ClassGen(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");
this.thisType = thisType;
//if (major != 45 && major != 46) throw new ClassReadExn("invalid major version");
cp = new CPGen(i);
flags = i.readShort();
- thisType = (Type.Object)cp.getType(i.readShort());
- superType = (Type.Object)cp.getType(i.readShort());
- interfaces = new Type.Object[i.readShort()];
- for(int j=0; j<interfaces.length; j++) interfaces[j] = (Type.Object)cp.getType(i.readShort());
+ thisType = (Type.Class)cp.getType(i.readShort());
+ superType = (Type.Class)cp.getType(i.readShort());
+ interfaces = new Type.Class[i.readShort()];
+ for(int j=0; j<interfaces.length; j++) interfaces[j] = (Type.Class)cp.getType(i.readShort());
int numFields = i.readShort();
for(int j=0; j<numFields; j++) fields.add(new FieldGen(cp, i));
int numMethods = i.readShort();
@see FieldRef
*/
public static abstract class FieldOrMethodRef {
- Type.Object klass;
+ Type.Class klass;
String name;
String descriptor;
- FieldOrMethodRef(Type.Object klass, String name, String descriptor) { this.klass = klass; this.name = name; this.descriptor = descriptor; }
+ FieldOrMethodRef(Type.Class klass, String name, String descriptor) { this.klass = klass; this.name = name; this.descriptor = descriptor; }
FieldOrMethodRef(FieldOrMethodRef o) { this.klass = o.klass; this.name = o.name; this.descriptor = o.descriptor; }
public boolean equals(Object o_) {
if(!(o_ instanceof FieldOrMethodRef)) return false;
}
} else {
/*
- Type.Object me = new Type.Object("Test");
+ Type.Class me = new Type.Class("Test");
ClassGen cg = new ClassGen("Test", "java.lang.Object", ACC_PUBLIC|ACC_SUPER|ACC_FINAL);
FieldGen fg = cg.addField("foo", Type.INT, ACC_PUBLIC|ACC_STATIC);
//mg.add(ISTORE_0);
mg.add(PUTSTATIC, fieldRef(me, "foo", Type.INT));
int top = mg.size();
- mg.add(GETSTATIC, cg.fieldRef(new Type.Object("java.lang.System"), "out", new Type.Object("java.io.PrintStream")));
+ mg.add(GETSTATIC, cg.fieldRef(new Type.Class("java.lang.System"), "out", new Type.Class("java.io.PrintStream")));
//mg.add(ILOAD_0);
mg.add(GETSTATIC, cg.fieldRef(me, "foo", Type.INT));
- mg.add(INVOKEVIRTUAL, cg.methodRef(new Type.Object("java.io.PrintStream"), "println",
+ mg.add(INVOKEVIRTUAL, cg.methodRef(new Type.Class("java.io.PrintStream"), "println",
Type.VOID, new Type[]{Type.INT}));
//mg.add(IINC, new int[]{0, 1});
//mg.add(ILOAD_0);
*/
public class FieldRef extends ClassGen.FieldOrMethodRef {
/** Create a reference to field <i>name</i> of class <i>c</i> with the type <i>t</i> */
- public FieldRef(Type.Object c, String name, Type t) { super(c, name, t.getDescriptor()); }
- /** Equivalent to FieldRef(new Type.Object(s), ...)
- @see #FieldRef(Type.Object, String, Type, )
+ public FieldRef(Type.Class c, String name, Type t) { super(c, name, t.getDescriptor()); }
+ /** Equivalent to FieldRef(new Type.Class(s), ...)
+ @see #FieldRef(Type.Class, String, Type, )
*/
- public FieldRef(String s, String name, Type t) { this(Type.fromDescriptor(s).asObject(), name, t); }
+ public FieldRef(String s, String name, Type t) { this(Type.fromDescriptor(s).asClass(), name, t); }
}
@param handler The instruction of the excepton handler
@param type The type of exception that is to be handled (MUST inherit from Throwable)
*/
- public final void addExceptionHandler(int start, int end, int handler, Type.Object type) {
+ public final void addExceptionHandler(int start, int end, int handler, Type.Class type) {
exnTable.put(type, new ExnTableEnt(start, end, handler, cp.add(type)));
}
NOTE: This isn't enforced by the JVM. This is for reference only. A method can throw exceptions not declared to be thrown
@param type The type of exception that can be thrown
*/
- public final void addThrow(Type.Object type) {
+ public final void addThrow(Type.Class type) {
thrownExceptions.put(type, cp.add(type));
}
public class MethodRef extends ClassGen.FieldOrMethodRef {
/** Create a reference to method <i>name</i> of class <i>c</i> with the return type <i>ret</i> and the
arguments <i>args</i> */
- public MethodRef(Type.Object c, String name, Type ret, Type[] args) {
+ public MethodRef(Type.Class c, String name, Type ret, Type[] args) {
super(c, name, getDescriptor(ret, args));
}
- /** Equivalent to MethodRef(new Type.Object(s), ...)
- @see #MethodRef(Type.Object, String, Type, Type[])
+ /** Equivalent to MethodRef(new Type.Class(s), ...)
+ @see #MethodRef(Type.Class, String, Type, Type[])
*/
public MethodRef(String s, String name, Type ret, Type[] args) {
- this(Type.fromDescriptor(s).asObject(), name, ret, args);
+ this(Type.fromDescriptor(s).asClass(), name, ret, args);
}
MethodRef(MethodRef i) { super(i); }
users don't need to be concerned with this though because MethodRef's are automatically converted
to MethodRef.I's when they are applied to an INVOKEINTERFACE bytecode */
public static class I extends MethodRef {
- public I(Type.Object c, String name, Type ret, Type[] args) { super(c, name, ret, args); }
+ public I(Type.Class c, String name, Type ret, Type[] args) { super(c, name, ret, args); }
public I(String s, String name, Type ret, Type[] args) { super(s, name, ret, args); }
I(MethodRef m) { super(m); }
}
public static final Type CHAR = new Type("C", "char");
public static final Type SHORT = new Type("S", "short");
- public static final Type.Object OBJECT = new Type.Object("java.lang.Object");
- public static final Type.Object STRING = new Type.Object("java.lang.String");
- public static final Type.Object STRINGBUFFER = new Type.Object("java.lang.StringBuffer");
- public static final Type.Object INTEGER_OBJECT = new Type.Object("java.lang.Integer");
- public static final Type.Object DOUBLE_OBJECT = new Type.Object("java.lang.Double");
- public static final Type.Object FLOAT_OBJECT = new Type.Object("java.lang.Float");
+ public static final Type.Class OBJECT = new Type.Class("java.lang.Object");
+ public static final Type.Class STRING = new Type.Class("java.lang.String");
+ public static final Type.Class STRINGBUFFER = new Type.Class("java.lang.StringBuffer");
+ public static final Type.Class INTEGER_OBJECT = new Type.Class("java.lang.Integer");
+ public static final Type.Class DOUBLE_OBJECT = new Type.Class("java.lang.Double");
+ public static final Type.Class FLOAT_OBJECT = new Type.Class("java.lang.Float");
/** A zero element Type[] array (can be passed as the "args" param when a method takes no arguments */
public static final Type[] NO_ARGS = new Type[0];
Type ret = (Type)instances.get(d);
if (ret != null) return ret;
if (d.endsWith("[")) return new Type.Array(fromDescriptor(d.substring(d.length()-1)));
- return new Type.Object(d);
+ return new Type.Class(d);
}
public String toString() { return toString; }
public int hashCode() { return descriptor.hashCode(); }
public boolean equals(java.lang.Object o) { return this==o; }
- public Type.Object asObject() { throw new RuntimeException("attempted to use "+this+" as a Type.Object, which it is not"); }
- public Type.Array asArray() { throw new RuntimeException("attempted to use "+this+" as a Type.Array, which it is not"); }
- public Type.Array makeArray() { return new Type.Array(this); }
- public boolean isObject() { return false; }
- public boolean isArray() { return false; }
+ public Type.Array makeArray() { return (Type.Array)fromDescriptor(descriptor+"["); }
+
+ public Type.Ref asRef() { throw new RuntimeException("attempted to use "+this+" as a Type.Ref, which it is not"); }
+ public Type.Class asClass() { throw new RuntimeException("attempted to use "+this+" as a Type.Class, which it is not"); }
+ public Type.Array asArray() { throw new RuntimeException("attempted to use "+this+" as a Type.Array, which it is not"); }
+ public boolean isPrimitive() { return !isRef(); }
+ public boolean isRef() { return false; }
+ public boolean isClass() { return false; }
+ public boolean isArray() { return false; }
// Protected/Private //////////////////////////////////////////////////////////////////////////////
instances.put(this.descriptor = descriptor, this);
}
- /** Class representing Object types (any non-primitive type) */
- public static class Object extends Type {
- protected Object(String s) { super(_initHelper(s), _initHelper2(s)); }
- protected Object(String descriptor, String hr) { super(_initHelper(descriptor), _initHelper2(hr)); }
- public Type.Object asObject() { return this; }
- public boolean isObject() { return true; }
+ public static class Ref extends Type {
+ protected Ref(String descriptor) { super(descriptor); }
+ protected Ref(String descriptor, String humanReadable) { super(descriptor, humanReadable); }
+ public Type.Ref asRef() { return this; }
+ public boolean isRef() { return true; }
+ }
+
+ public static class Class extends Type.Ref {
+ protected Class(String s) { super(_initHelper(s), _initHelper2(s)); }
+ public Type.Class asClass() { return this; }
+ public boolean isClass() { return true; }
public String getShortName() { return toString.substring(toString.lastIndexOf('.')+1); }
String internalForm() { return descriptor.substring(1, descriptor.length()-1); }
private static String _initHelper(String s) {
}
}
- public static class Array extends Type.Object {
+ public static class Array extends Type.Ref {
protected Array(Type t) { super(t.getDescriptor() + "[", t.toString() + "[]"); }
public Type.Array asArray() { return this; }
public boolean isArray() { return true; }
public int dimension() { return descriptor.length() - descriptor.indexOf('['); }
- String[] components() { throw new Error("Type.Array does not have components()"); }
}
}