author | jjg |
Tue, 19 May 2009 13:53:00 -0700 | |
changeset 2980 | f391c41bae7e |
parent 2979 | ea39317acd3d |
child 3536 | dee1b5833af7 |
permissions | -rw-r--r-- |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
1 |
/* |
735 | 2 |
* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved. |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
4 |
* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. Sun designates this |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
8 |
* particular file as subject to the "Classpath" exception as provided |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
9 |
* by Sun in the LICENSE file that accompanied this code. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
10 |
* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
15 |
* accompanied this code). |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
16 |
* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License version |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
20 |
* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
21 |
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
22 |
* CA 95054 USA or visit www.sun.com if you need additional information or |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
23 |
* have any questions. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
24 |
*/ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
25 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
26 |
package com.sun.tools.javap; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
27 |
|
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
28 |
import java.util.ArrayList; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
29 |
import java.util.List; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
30 |
|
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
31 |
import com.sun.tools.classfile.AccessFlags; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
32 |
import com.sun.tools.classfile.Code_attribute; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
33 |
import com.sun.tools.classfile.ConstantPool; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
34 |
import com.sun.tools.classfile.ConstantPoolException; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
35 |
import com.sun.tools.classfile.DescriptorException; |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
36 |
import com.sun.tools.classfile.Instruction; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
37 |
import com.sun.tools.classfile.Instruction.TypeKind; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
38 |
import com.sun.tools.classfile.Method; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
39 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
40 |
/* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
41 |
* Write the contents of a Code attribute. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
42 |
* |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
43 |
* <p><b>This is NOT part of any API supported by Sun Microsystems. If |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
44 |
* you write code that depends on this, you do so at your own risk. |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
45 |
* This code and its internal interfaces are subject to change or |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
46 |
* deletion without notice.</b> |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
47 |
*/ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
48 |
class CodeWriter extends BasicWriter { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
49 |
static CodeWriter instance(Context context) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
50 |
CodeWriter instance = context.get(CodeWriter.class); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
51 |
if (instance == null) |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
52 |
instance = new CodeWriter(context); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
53 |
return instance; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
54 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
55 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
56 |
protected CodeWriter(Context context) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
57 |
super(context); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
58 |
context.put(CodeWriter.class, this); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
59 |
attrWriter = AttributeWriter.instance(context); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
60 |
classWriter = ClassWriter.instance(context); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
61 |
constantWriter = ConstantWriter.instance(context); |
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
62 |
sourceWriter = SourceWriter.instance(context); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
63 |
tryBlockWriter = TryBlockWriter.instance(context); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
64 |
stackMapWriter = StackMapWriter.instance(context); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
65 |
localVariableTableWriter = LocalVariableTableWriter.instance(context); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
66 |
localVariableTypeTableWriter = LocalVariableTypeTableWriter.instance(context); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
67 |
options = Options.instance(context); |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
68 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
69 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
70 |
void write(Code_attribute attr, ConstantPool constant_pool) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
71 |
println(" Code:"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
72 |
writeVerboseHeader(attr, constant_pool); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
73 |
writeInstrs(attr); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
74 |
writeExceptionTable(attr); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
75 |
attrWriter.write(attr, attr.attributes, constant_pool); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
76 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
77 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
78 |
public void writeVerboseHeader(Code_attribute attr, ConstantPool constant_pool) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
79 |
Method method = classWriter.getMethod(); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
80 |
String argCount; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
81 |
try { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
82 |
int n = method.descriptor.getParameterCount(constant_pool); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
83 |
if (!method.access_flags.is(AccessFlags.ACC_STATIC)) |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
84 |
++n; // for 'this' |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
85 |
argCount = Integer.toString(n); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
86 |
} catch (ConstantPoolException e) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
87 |
argCount = report(e); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
88 |
} catch (DescriptorException e) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
89 |
argCount = report(e); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
90 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
91 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
92 |
println(" Stack=" + attr.max_stack + |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
93 |
", Locals=" + attr.max_locals + |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
94 |
", Args_size=" + argCount); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
95 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
96 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
97 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
98 |
public void writeInstrs(Code_attribute attr) { |
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
99 |
List<InstructionDetailWriter> detailWriters = getDetailWriters(attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
100 |
|
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
101 |
for (Instruction instr: attr.getInstructions()) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
102 |
try { |
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
103 |
for (InstructionDetailWriter w: detailWriters) |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
104 |
w.writeDetails(instr); |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
105 |
writeInstr(instr); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
106 |
} catch (ArrayIndexOutOfBoundsException e) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
107 |
println(report("error at or after byte " + instr.getPC())); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
108 |
break; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
109 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
110 |
} |
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
111 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
112 |
for (InstructionDetailWriter w: detailWriters) |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
113 |
w.flush(); |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
114 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
115 |
|
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
116 |
public void writeInstr(Instruction instr) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
117 |
print(" " + instr.getPC() + ":\t"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
118 |
print(instr.getMnemonic()); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
119 |
instr.accept(instructionPrinter, null); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
120 |
println(); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
121 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
122 |
// where |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
123 |
Instruction.KindVisitor<Void,Void> instructionPrinter = |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
124 |
new Instruction.KindVisitor<Void,Void>() { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
125 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
126 |
public Void visitNoOperands(Instruction instr, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
127 |
return null; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
128 |
} |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
129 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
130 |
public Void visitArrayType(Instruction instr, TypeKind kind, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
131 |
print(" " + kind.name); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
132 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
133 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
134 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
135 |
public Void visitBranch(Instruction instr, int offset, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
136 |
print("\t" + (instr.getPC() + offset)); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
137 |
return null; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
138 |
} |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
139 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
140 |
public Void visitConstantPoolRef(Instruction instr, int index, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
141 |
print("\t#" + index + "; //"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
142 |
printConstant(index); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
143 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
144 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
145 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
146 |
public Void visitConstantPoolRefAndValue(Instruction instr, int index, int value, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
147 |
print("\t#" + index + ", " + value + "; //"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
148 |
printConstant(index); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
149 |
return null; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
150 |
} |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
151 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
152 |
public Void visitLocal(Instruction instr, int index, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
153 |
print("\t" + index); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
154 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
155 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
156 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
157 |
public Void visitLocalAndValue(Instruction instr, int index, int value, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
158 |
print("\t" + index + ", " + value); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
159 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
160 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
161 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
162 |
public Void visitLookupSwitch(Instruction instr, int default_, int npairs, int[] matches, int[] offsets) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
163 |
int pc = instr.getPC(); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
164 |
print("{ //" + npairs); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
165 |
for (int i = 0; i < npairs; i++) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
166 |
print("\n\t\t" + matches[i] + ": " + (pc + offsets[i]) + ";"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
167 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
168 |
print("\n\t\tdefault: " + (pc + default_) + " }"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
169 |
return null; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
170 |
} |
2512
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
171 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
172 |
public Void visitTableSwitch(Instruction instr, int default_, int low, int high, int[] offsets) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
173 |
int pc = instr.getPC(); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
174 |
print("{ //" + low + " to " + high); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
175 |
for (int i = 0; i < offsets.length; i++) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
176 |
print("\n\t\t" + (low + i) + ": " + (pc + offsets[i]) + ";"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
177 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
178 |
print("\n\t\tdefault: " + (pc + default_) + " }"); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
179 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
180 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
181 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
182 |
public Void visitValue(Instruction instr, int value, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
183 |
print("\t" + value); |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
184 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
185 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
186 |
|
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
187 |
public Void visitUnknown(Instruction instr, Void p) { |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
188 |
return null; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
189 |
} |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
190 |
}; |
70eb5f17c5f8
6819246: improve support for decoding instructions in classfile library
jjg
parents:
735
diff
changeset
|
191 |
|
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
192 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
193 |
public void writeExceptionTable(Code_attribute attr) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
194 |
if (attr.exception_table_langth > 0) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
195 |
println(" Exception table:"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
196 |
println(" from to target type"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
197 |
for (int i = 0; i < attr.exception_table.length; i++) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
198 |
Code_attribute.Exception_data handler = attr.exception_table[i]; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
199 |
printFixedWidthInt(handler.start_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
200 |
printFixedWidthInt(handler.end_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
201 |
printFixedWidthInt(handler.handler_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
202 |
print(" "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
203 |
int catch_type = handler.catch_type; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
204 |
if (catch_type == 0) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
205 |
println("any"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
206 |
} else { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
207 |
print("Class "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
208 |
println(constantWriter.stringValue(catch_type)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
209 |
println(""); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
210 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
211 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
212 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
213 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
214 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
215 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
216 |
private void printConstant(int index) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
217 |
constantWriter.write(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
218 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
219 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
220 |
private void printFixedWidthInt(int n, int width) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
221 |
String s = String.valueOf(n); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
222 |
for (int i = s.length(); i < width; i++) |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
223 |
print(" "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
224 |
print(s); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
225 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
226 |
|
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
227 |
private List<InstructionDetailWriter> getDetailWriters(Code_attribute attr) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
228 |
List<InstructionDetailWriter> detailWriters = |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
229 |
new ArrayList<InstructionDetailWriter>(); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
230 |
if (options.details.contains(InstructionDetailWriter.Kind.SOURCE)) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
231 |
sourceWriter.reset(classWriter.getClassFile(), attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
232 |
detailWriters.add(sourceWriter); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
233 |
} |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
234 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
235 |
if (options.details.contains(InstructionDetailWriter.Kind.LOCAL_VARS)) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
236 |
localVariableTableWriter.reset(attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
237 |
detailWriters.add(localVariableTableWriter); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
238 |
} |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
239 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
240 |
if (options.details.contains(InstructionDetailWriter.Kind.LOCAL_VAR_TYPES)) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
241 |
localVariableTypeTableWriter.reset(attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
242 |
detailWriters.add(localVariableTypeTableWriter); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
243 |
} |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
244 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
245 |
if (options.details.contains(InstructionDetailWriter.Kind.STACKMAPS)) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
246 |
stackMapWriter.reset(attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
247 |
stackMapWriter.writeInitialDetails(); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
248 |
detailWriters.add(stackMapWriter); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
249 |
} |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
250 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
251 |
if (options.details.contains(InstructionDetailWriter.Kind.TRY_BLOCKS)) { |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
252 |
tryBlockWriter.reset(attr); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
253 |
detailWriters.add(tryBlockWriter); |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
254 |
} |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
255 |
|
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
256 |
return detailWriters; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
257 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
258 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
259 |
private AttributeWriter attrWriter; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
260 |
private ClassWriter classWriter; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
261 |
private ConstantWriter constantWriter; |
2979
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
262 |
private LocalVariableTableWriter localVariableTableWriter; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
263 |
private LocalVariableTypeTableWriter localVariableTypeTableWriter; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
264 |
private SourceWriter sourceWriter; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
265 |
private StackMapWriter stackMapWriter; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
266 |
private TryBlockWriter tryBlockWriter; |
ea39317acd3d
6824493: experimental support for additional info for instructions
jjg
parents:
2512
diff
changeset
|
267 |
private Options options; |
727
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
268 |
} |