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1
30 package com.tc.asm.optimizer;
31
32 import com.tc.asm.AnnotationVisitor;
33 import com.tc.asm.Attribute;
34 import com.tc.asm.ClassAdapter;
35 import com.tc.asm.ClassVisitor;
36 import com.tc.asm.FieldVisitor;
37 import com.tc.asm.MethodVisitor;
38 import com.tc.asm.Opcodes;
39
40
46 public class ClassOptimizer extends ClassAdapter {
47
48 private NameMapping mapping;
49
50 private String  className;
51
52 private String pkgName;
53
54 public ClassOptimizer(final ClassVisitor cv, final NameMapping mapping) {
55 super(cv);
56 this.mapping = mapping;
57 }
58
59 public String getClassName() {
60 return className;
61 }
62
63
67 public void visit(
68 final int version,
69 final int access,
70 final String name,
71 final String signature,
72 final String superName,
73 final String [] interfaces)
74 {
75 className = name;
76 pkgName = name.substring(0, name.lastIndexOf('/'));
77 cv.visit(version,
78 access,
79 mapping.map(name),
80 null,
81 mapping.map(superName),
82 interfaces);
83 }
84
85 public void visitSource(final String source, final String debug) {
86 }
88
89 public void visitOuterClass(
90 final String owner,
91 final String name,
92 final String desc)
93 {
94 }
96
97 public AnnotationVisitor visitAnnotation(
98 final String desc,
99 final boolean visible)
100 {
101 throw new UnsupportedOperationException ();
102 }
103
104 public void visitAttribute(final Attribute attr) {
105 }
107
108 public void visitInnerClass(
109 final String name,
110 final String outerName,
111 final String innerName,
112 final int access)
113 {
114 }
116
117 public FieldVisitor visitField(
118 final int access,
119 final String name,
120 final String desc,
121 final String signature,
122 final Object value)
123 {
124 String s = className + "." + name;
125 if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
126 if ((access & Opcodes.ACC_FINAL) != 0
127 && (access & Opcodes.ACC_STATIC) != 0 && desc.equals("I"))
128 {
129 return null;
130 }
131 if (pkgName.equals("org/objectweb/asm")
132 && mapping.map(s).equals(name))
133 {
134 System.out.println("INFO: " + s + " could be renamed");
135 }
136 cv.visitField(access,
137 mapping.map(s),
138 mapping.fix(desc),
139 null,
140 value);
141 } else {
142 if (!mapping.map(s).equals(name)) {
143 throw new RuntimeException ("The public or protected field " + s
144 + " must not be renamed.");
145 }
146 cv.visitField(access, name, desc, null, value);
147 }
148 return null; }
150
151 public MethodVisitor visitMethod(
152 final int access,
153 final String name,
154 final String desc,
155 final String signature,
156 final String [] exceptions)
157 {
158 String s = className + "." + name + desc;
159 if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
160 if (pkgName.equals("org/objectweb/asm") && !name.startsWith("<")
161 && mapping.map(s).equals(name))
162 {
163 System.out.println("INFO: " + s + " could be renamed");
164 }
165 return new MethodOptimizer(cv.visitMethod(access,
166 mapping.map(s),
167 mapping.fix(desc),
168 null,
169 exceptions), mapping);
170 } else {
171 if (!mapping.map(s).equals(name)) {
172 throw new RuntimeException ("The public or protected method "
173 + s + " must not be renamed.");
174 }
175 return new MethodOptimizer(cv.visitMethod(access,
176 name,
177 desc,
178 null,
179 exceptions), mapping);
180 }
181 }
182 }
183 |
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