1 cananian 1.1.4.1 // HMethodProxy.java, created Tue Jan 11 08:34:57 2000 by cananian
2 cananian 1.1.4.2 // Copyright (C) 2000 C. Scott Ananian <cananian@alumni.princeton.edu>
3 cananian 1.1.4.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 cananian 1.1.4.1 package harpoon.ClassFile;
5 cananian 1.1.4.1
6 cananian 1.1.4.1 /**
7 cananian 1.1.4.1 * An <code>HMethodProxy</code> is a relinkable proxy for an
8 cananian 1.1.4.1 * <code>HMethod</code>.
9 cananian 1.1.4.1 *
10 cananian 1.1.4.1 * @author C. Scott Ananian <cananian@alumni.princeton.edu>
11 cananian 1.3 * @version $Id: HMethodProxy.java,v 1.3 2003/03/18 02:27:02 cananian Exp $
12 cananian 1.1.4.1 * @see HMethod
13 cananian 1.1.4.1 */
14 cananian 1.1.4.3 class HMethodProxy extends HMemberProxy
15 cananian 1.1.4.3 implements HMethod, HMethodMutator, java.io.Serializable {
16 cananian 1.1.4.1 HMethod proxy;
17 cananian 1.1.4.1 HMethodMutator proxyMutator;
18 cananian 1.1.4.1
19 cananian 1.1.4.1 /** Creates a <code>HMethodProxy</code>. */
20 cananian 1.1.4.1 HMethodProxy(Relinker relinker, HMethod proxy) {
21 cananian 1.1.4.5 super(relinker, proxy, proxy.hashCode());
22 cananian 1.1.4.1 relink(proxy);
23 cananian 1.1.4.1 }
24 cananian 1.1.4.1 void relink(HMethod proxy) {
25 cananian 1.1.4.1 super.relink(proxy);
26 cananian 1.1.4.1 this.proxy = proxy;
27 cananian 1.1.4.1 this.proxyMutator = (proxy==null) ? null : proxy.getMutator();
28 cananian 1.1.4.1 }
29 cananian 1.1.4.1
30 cananian 1.1.4.1 public HMethodMutator getMutator() {
31 cananian 1.1.4.1 if (proxyMutator==null)
32 cananian 1.1.4.1 ((HClassProxy)getDeclaringClass()).getMutator();
33 cananian 1.1.4.1 return (proxyMutator==null) ? null : this;
34 cananian 1.1.4.1 }
35 cananian 1.1.4.1 // HMethod interface
36 cananian 1.1.4.1 public HClass getReturnType() { return wrap(proxy.getReturnType()); }
37 cananian 1.1.4.1 public HClass[] getParameterTypes() {
38 cananian 1.1.4.1 return wrap(proxy.getParameterTypes());
39 cananian 1.1.4.1 }
40 cananian 1.1.4.1 public String[] getParameterNames() { return proxy.getParameterNames(); }
41 cananian 1.1.4.1 public HClass[] getExceptionTypes() {
42 cananian 1.1.4.1 return wrap(proxy.getExceptionTypes());
43 cananian 1.1.4.1 }
44 cananian 1.1.4.1 public boolean isInterfaceMethod() { return proxy.isInterfaceMethod(); }
45 cananian 1.1.4.1 public boolean isStatic() { return proxy.isStatic(); }
46 cananian 1.1.4.4 public String toString() { return HMethodImpl.toString(this); }
47 cananian 1.1.4.4 public boolean equals(Object obj) { return HMethodImpl.equals(this, obj); }
48 cananian 1.3 /* ------- JSR-14 extensions. ----------- */
49 cananian 1.3 public HType[] getGenericParameterTypes() {
50 cananian 1.3 // xxx need to be able to wrap HTypes.
51 cananian 1.3 throw new RuntimeException("Unimplemented.");
52 cananian 1.3 }
53 cananian 1.3 public HType getGenericReturnType() {
54 cananian 1.3 // xxx need to be able to wrap HTypes.
55 cananian 1.3 throw new RuntimeException("Unimplemented.");
56 cananian 1.3 }
57 cananian 1.3 public HMethodTypeVariable[] getTypeParameters() {
58 cananian 1.3 throw new RuntimeException("Unimplemented.");
59 cananian 1.3 }
60 cananian 1.1.4.1 // HMethodMutator interface
61 cananian 1.1.4.6 // BE CAREFUL TO KEEP TRACK OF PROXY'S HASHCODE CHANGES.
62 cananian 1.1.4.6 // flushMemberMap() and updateMemberMap() need to be called whenever the
63 cananian 1.1.4.6 // underlying proxy's hashcode changes. Things that may cause a
64 cananian 1.1.4.6 // change: changing declaring class, name, or descriptor.
65 cananian 1.1.4.1 public void addModifiers(int m) { proxyMutator.addModifiers(m); }
66 cananian 1.1.4.1 public void setModifiers(int m) { proxyMutator.setModifiers(m); }
67 cananian 1.1.4.1 public void removeModifiers(int m) { proxyMutator.removeModifiers(m); }
68 cananian 1.1.4.1 public void setReturnType(HClass type) {
69 cananian 1.1.4.1 flushMemberMap();
70 cananian 1.1.4.6 try { proxyMutator.setReturnType(unwrap(type)); }
71 cananian 1.1.4.6 finally { updateMemberMap(); }
72 cananian 1.1.4.1 }
73 cananian 1.1.4.1 public void setParameterTypes(HClass[] parameterTypes) {
74 cananian 1.1.4.1 flushMemberMap();
75 cananian 1.1.4.6 try { proxyMutator.setParameterTypes(unwrap(parameterTypes)); }
76 cananian 1.1.4.6 finally { updateMemberMap(); }
77 cananian 1.1.4.1 }
78 cananian 1.1.4.1 public void setParameterType(int which, HClass type) {
79 cananian 1.1.4.1 flushMemberMap();
80 cananian 1.1.4.6 try { proxyMutator.setParameterType(which, unwrap(type)); }
81 cananian 1.1.4.6 finally { updateMemberMap(); }
82 cananian 1.1.4.1 }
83 cananian 1.1.4.1 public void setParameterNames(String[] parameterNames) {
84 cananian 1.1.4.1 proxyMutator.setParameterNames(parameterNames);
85 cananian 1.1.4.1 }
86 cananian 1.1.4.1 public void setParameterName(int which, String name) {
87 cananian 1.1.4.1 proxyMutator.setParameterName(which, name);
88 cananian 1.1.4.1 }
89 cananian 1.1.4.1 public void addExceptionType(HClass exceptionType) {
90 cananian 1.1.4.1 proxyMutator.addExceptionType(unwrap(exceptionType));
91 cananian 1.1.4.1 }
92 cananian 1.1.4.1 public void setExceptionTypes(HClass[] exceptionTypes) {
93 cananian 1.1.4.1 proxyMutator.setExceptionTypes(unwrap(exceptionTypes));
94 cananian 1.1.4.1 }
95 cananian 1.1.4.1 public void removeExceptionType(HClass exceptionType) {
96 cananian 1.1.4.1 proxyMutator.removeExceptionType(unwrap(exceptionType));
97 cananian 1.1.4.1 }
98 cananian 1.1.4.1 public void setSynthetic(boolean isSynthetic) {
99 cananian 1.1.4.1 proxyMutator.setSynthetic(isSynthetic);
100 cananian 1.1.4.1 }
101 cananian 1.1.4.3 /** Serializable interface. */
102 cananian 1.1.4.3 public Object writeReplace() { return new HMethodImpl.HMethodStub(this); }
103 cananian 1.2 }