openrs2
/
jode
0
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

*** empty log message ***

Browse Source 
git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@49 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 27 years ago
parent 1339141e8e
commit 2d1648439c
1 changed files with 169 additions and 172 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 329
      jode/jode/type/ClassInterfacesType.java

329
jode/jode/type/ClassInterfacesType.java
Unescape View File

@ -35,41 +35,62 @@ import java.util.Stack;
* @author Jochen Hoenicke */
public class ClassInterfacesType extends MyType {
ClassDeclaration clazz;
ClassDeclaration ifaces[];
Class clazz;
Class ifaces[];
public final static Class cObject = new Object().getClass();
public ClassInterfacesType(Type clazzType) {
super(104, "{"+clazzType.getTypeSignature()+"}");
ClassDeclaration cdecl =
new ClassDeclaration(clazzType.getClassName());
try {
if (cdecl.getClassDefinition(env).isInterface()) {
clazz = new ClassDeclaration(Constants.idJavaLangObject);
ifaces = new ClassDeclaration[1];
Class cdecl =
Class.forName(clazzType.getClassName().toString());
if (cdecl.isInterface()) {
clazz = cObject;
ifaces = new Class[1];
ifaces[0] = cdecl;
} else {
clazz = cdecl;
ifaces = new ClassDeclaration[0];
ifaces = new Class[0];
}
} catch (ClassNotFound ex) {
} catch (ClassNotFoundException ex) {
throw new AssertError(ex.toString());
}
}
public ClassInterfacesType(ClassDeclaration clazz,
ClassDeclaration[] ifaces) {
public ClassInterfacesType(Class clazz,
Class[] ifaces) {
super(104, "{}");
StringBuffer sig = new StringBuffer("{");
if (clazz != null)
sig.append(clazz.getType().getTypeSignature());
sig.append("L").append(clazz.getName()).append(";");
for (int i=0;i < ifaces.length; i++)
sig.append(ifaces[i].getType().getTypeSignature());
sig.append("L").append(ifaces[i].getName()).append(";");
sig.append("}");
typeSig = sig.toString();
this.clazz = clazz;
this.ifaces = ifaces;
}
public final static boolean superClassOf(Class parent, Class clazz) {
while (clazz != parent && clazz != null) {
clazz = clazz.getSuperclass();
}
return clazz == parent;
}
public final static boolean implementedBy(Class iface, Class clazz) {
while (clazz != iface && clazz != null) {
Class[] ifaces = clazz.getInterfaces();
for (int i=0; i< ifaces.length; i++) {
if (implementedBy(iface, ifaces[i]))
return true;
}
clazz = clazz.getSuperclass();
}
return clazz != null;
}
/**
* Checks if the given type range may be not empty.
* This means, that bottom.clazz is extended by top.clazz
@ -81,63 +102,53 @@ public class ClassInterfacesType extends MyType {
*/
public final static Type createRangeType(ClassInterfacesType bottom,
ClassInterfacesType top) {
try {
if (bottom.clazz != null
&& bottom.clazz.getType() != tObject) {
/* The searched type must be a class type.
*/
if (top.ifaces.length != 0
|| !bottom.clazz.getClassDefinition(env).
superClassOf(env,top.clazz))
return tError;
if (bottom.clazz != null
&& bottom.clazz != cObject) {
/* The searched type must be a class type.
*/
if (top.ifaces.length != 0
|| !superClassOf(bottom.clazz,top.clazz))
return tError;
/* All interfaces must be implemented by top.clazz
*/
for (int i=0; i < bottom.ifaces.length; i++) {
if (!bottom.ifaces[i].getClassDefinition(env).
implementedBy(env,top.clazz))
return tError;
/* All interfaces must be implemented by top.clazz
*/
for (int i=0; i < bottom.ifaces.length; i++) {
if (!implementedBy(bottom.ifaces[i], top.clazz))
return tError;
}
return new ClassRangeType
(bottom, new ClassInterfacesType(top.clazz,
new ClassDeclaration[0]));
return new ClassRangeType
(bottom, new ClassInterfacesType(top.clazz,
new Class[0]));
} else {
} else {
/* Now bottom.clazz is null, find all top.class/interfaces
* that implement all bottom.ifaces.
*/
ClassDeclaration clazz = top.clazz;
if (clazz != null) {
for (int i=0; i < bottom.ifaces.length; i++) {
ClassDefinition idef =
bottom.ifaces[i].getClassDefinition(env);
if (!idef.implementedBy(env, clazz)) {
clazz = null;
break;
}
/* Now bottom.clazz is null, find all top.class/interfaces
* that implement all bottom.ifaces.
*/
Class clazz = top.clazz;
if (clazz != null) {
for (int i=0; i < bottom.ifaces.length; i++) {
if (!implementedBy(bottom.ifaces[i], clazz)) {
clazz = null;
break;
}
}
Vector ifaces = new Vector();
big_loop:
for (int j=0; j < top.ifaces.length; j++) {
for (int i=0; i < bottom.ifaces.length; i++) {
ClassDefinition idef =
bottom.ifaces[i].getClassDefinition(env);
if (!idef.implementedBy(env, top.ifaces[j]))
continue big_loop;
}
ifaces.addElement(top.ifaces[j]);
}
Vector ifaces = new Vector();
big_loop:
for (int j=0; j < top.ifaces.length; j++) {
for (int i=0; i < bottom.ifaces.length; i++) {
if (!implementedBy(bottom.ifaces[i], top.ifaces[j]))
continue big_loop;
}
ClassDeclaration[] ifaceArray =
new ClassDeclaration[ifaces.size()];
ifaces.addElement(top.ifaces[j]);
}
Class[] ifaceArray =
new Class[ifaces.size()];
ifaces.copyInto(ifaceArray);
return new ClassRangeType
(bottom, new ClassInterfacesType(clazz, ifaceArray));
}
} catch (ClassNotFound ex) {
return tError;
}
}
}
/**
@ -149,77 +160,68 @@ public class ClassInterfacesType extends MyType {
public static Type getSpecializedType(ClassInterfacesType t1,
ClassInterfacesType t2) {
ClassDeclaration clazz = null;
Class clazz = null;
Vector ifaces = new Vector();
/* First determine the clazz, one of the two classes must be a sub
* class of the other or null.
*/
try {
if (t1.clazz == null)
clazz = t2.clazz;
else if (t2.clazz == null)
clazz = t1.clazz;
else if (t1.clazz.
getClassDefinition(env).superClassOf(env, t2.clazz))
clazz = t2.clazz;
else if (t2.clazz.
getClassDefinition(env).superClassOf(env, t1.clazz))
clazz = t1.clazz;
else
return tError;
/* The interfaces are simply the union of both interfaces set.
* But we can simplify this, if an interface is implemented by
* another or by the class, we can omit it.
*/
big_loop_t1:
for (int i=0; i< t1.ifaces.length; i++) {
ClassDeclaration iface = t1.ifaces[i];
ClassDefinition idef = iface.getClassDefinition(env);
if (clazz != null && idef.implementedBy(env, clazz)) {
if (t1.clazz == null)
clazz = t2.clazz;
else if (t2.clazz == null)
clazz = t1.clazz;
else if (superClassOf(t1.clazz, t2.clazz))
clazz = t2.clazz;
else if (superClassOf(t2.clazz, t1.clazz))
clazz = t1.clazz;
else
return tError;
/* The interfaces are simply the union of both interfaces set.
* But we can simplify this, if an interface is implemented by
* another or by the class, we can omit it.
*/
big_loop_t1:
for (int i=0; i< t1.ifaces.length; i++) {
Class iface = t1.ifaces[i];
if (clazz != null && implementedBy(iface, clazz)) {
continue big_loop_t1;
}
for (int j=0; j<t2.ifaces.length; j++) {
if (implementedBy(iface, t2.ifaces[j])) {
continue big_loop_t1;
}
for (int j=0; j<t2.ifaces.length; j++) {
if (idef.implementedBy(env, t2.ifaces[j])) {
continue big_loop_t1;
}
}
}
/* This interface is not implemented by any of the other
* ifaces. Add it to the interfaces vector.
*/
ifaces.addElement(iface);
/* This interface is not implemented by any of the other
* ifaces. Add it to the interfaces vector.
*/
ifaces.addElement(iface);
}
big_loop_t2:
for (int i=0; i< t2.ifaces.length; i++) {
Class iface = t2.ifaces[i];
if (clazz != null && implementedBy(iface, clazz)) {
continue big_loop_t2;
}
big_loop_t2:
for (int i=0; i< t2.ifaces.length; i++) {
ClassDeclaration iface = t2.ifaces[i];
ClassDefinition idef = iface.getClassDefinition(env);
if (clazz != null && idef.implementedBy(env, clazz)) {
for (int j=0; j<ifaces.size(); j++) {
if (implementedBy(iface, (Class) ifaces.elementAt(j))) {
continue big_loop_t2;
}
for (int j=0; j<ifaces.size(); j++) {
if (idef.implementedBy
(env, (ClassDeclaration) ifaces.elementAt(j))) {
continue big_loop_t2;
}
}
/* This interface is not implemented by any of the other
* ifaces. Add it to the interfaces vector.
*/
ifaces.addElement(iface);
}
if (clazz.getType() == tObject && ifaces.size() > 0)
/* Every interface implies tObject, so remove it */
clazz = null;
} catch (ClassNotFound ex) {
return tError;
/* This interface is not implemented by any of the other
* ifaces. Add it to the interfaces vector.
*/
ifaces.addElement(iface);
}
if (clazz == cObject && ifaces.size() > 0)
/* Every interface implies tObject, so remove it */
clazz = null;
ClassDeclaration[] ifaceArray = new ClassDeclaration[ifaces.size()];
Class[] ifaceArray = new Class[ifaces.size()];
ifaces.copyInto(ifaceArray);
return new ClassInterfacesType(clazz, ifaceArray);
}
@ -234,81 +236,77 @@ public class ClassInterfacesType extends MyType {
public static Type getGeneralizedType(ClassInterfacesType t1,
ClassInterfacesType t2) {
ClassDeclaration clazz;
Class clazz;
Vector ifaces = new Vector();
try {
/* First the easy part, determine the clazz */
if (t1.clazz == null)
clazz = t2.clazz;
else if (t2.clazz == null)
clazz = t1.clazz;
else {
clazz = t1.clazz;
/* First the easy part, determine the clazz */
if (t1.clazz == null)
clazz = t2.clazz;
else if (t2.clazz == null)
clazz = t1.clazz;
else {
clazz = t1.clazz;
while(clazz != null) {
ClassDefinition cdef = clazz.getClassDefinition(env);
if (cdef.superClassOf(env, t2.clazz))
break;
clazz = cdef.getSuperClass(env);
}
if (clazz.getType() == tObject)
clazz = null;
while(clazz != null) {
if (superClassOf(clazz, t2.clazz))
break;
clazz = clazz.getSuperclass();
}
if (clazz == cObject)
clazz = null;
}
/* Now the more complicated part: find all interfaces, that are
/* Now the more complicated part: find all interfaces, that are
* implemented by one interface or class in each group.
*
* First get all interfaces of t1.clazz and t1.ifaces.
*/
Stack allIfaces = new Stack();
if (t1.clazz != null) {
ClassDeclaration clazzIfaces[] =
t1.clazz.getClassDefinition(env).getInterfaces();
Stack allIfaces = new Stack();
if (t1.clazz != null) {
Class c = t1.clazz;
while (clazz != c) {
Class clazzIfaces[] = c.getInterfaces();
for (int i=0; i<clazzIfaces.length; i++)
allIfaces.push(clazzIfaces[i]);
c = c.getSuperclass();
}
for (int i=0; i<t1.ifaces.length; i++)
}
for (int i=0; i<t1.ifaces.length; i++)
allIfaces.push(t1.ifaces[i]);
/* Now consider each interface. If any clazz or interface
* in t2 implements it, add it to the ifaces vector.
* Otherwise consider all sub interfaces.
*/
iface_loop:
while (!allIfaces.isEmpty()) {
ClassDeclaration iface = (ClassDeclaration) allIfaces.pop();
ClassDefinition idef = iface.getClassDefinition(env);
if (clazz != null && idef.implementedBy(env, clazz))
/* We can skip this, as clazz does already imply it.
*/
continue iface_loop;
iface_loop:
while (!allIfaces.isEmpty()) {
Class iface = (Class) allIfaces.pop();
if (clazz != null && implementedBy(iface, clazz))
/* We can skip this, as clazz does already imply it.
*/
continue iface_loop;
if (t2.clazz != null && idef.implementedBy(env, t2.clazz)) {
if (t2.clazz != null && implementedBy(iface, t2.clazz)) {
ifaces.addElement(iface);
continue iface_loop;
}
for (int i=0; i<t2.ifaces.length; i++) {
if (implementedBy(iface, t2.ifaces[i])) {
ifaces.addElement(iface);
continue iface_loop;
}
for (int i=0; i<t2.ifaces.length; i++) {
if (idef.implementedBy(env, t2.ifaces[i])) {
ifaces.addElement(iface);
continue iface_loop;
}
}
/* This interface is not implemented by any of the other
* ifaces. Try its parent interfaces now.
*/
ClassDeclaration clazzIfaces[] = idef.getInterfaces();
for (int i=0; i<clazzIfaces.length; i++)
allIfaces.push(clazzIfaces[i]);
}
} catch (ClassNotFound ex) {
return tError;
/* This interface is not implemented by any of the other
* ifaces. Try its parent interfaces now.
*/
Class clazzIfaces[] = iface.getInterfaces();
for (int i=0; i<clazzIfaces.length; i++)
allIfaces.push(clazzIfaces[i]);
}
ClassDeclaration[] ifaceArray = new ClassDeclaration[ifaces.size()];
Class[] ifaceArray = new Class[ifaces.size()];
ifaces.copyInto(ifaceArray);
return new ClassInterfacesType(clazz, ifaceArray);
}
@ -329,12 +327,11 @@ public class ClassInterfacesType extends MyType {
return sb.append("}").append(string).toString();
} else {
if (clazz != null)
return clazz.getType().typeString(string, flag1, flag2);
return clazz.toString() + string;
else if (ifaces.length > 0)
return ifaces[0].getType().typeString(string, flag1, flag2);
return ifaces[0].toString() + string;
else
return tError.typeString(string,flag1,flag2);
return tError.toString() + string;
}
}
}

Write Preview
Loading…
Cancel
Save