author | xdono |
Wed, 02 Jul 2008 12:56:02 -0700 | |
changeset 735 | 372aa565a221 |
parent 727 | cb50c1ae7bab |
child 2512 | 70eb5f17c5f8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javap; |
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import com.sun.tools.classfile.AccessFlags; |
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import com.sun.tools.classfile.Code_attribute; |
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import com.sun.tools.classfile.ConstantPool; |
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import com.sun.tools.classfile.ConstantPoolException; |
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import com.sun.tools.classfile.DescriptorException; |
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import com.sun.tools.classfile.Method; |
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import static com.sun.tools.classfile.OpCodes.*; |
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/* |
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* Write the contents of a Code attribute. |
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* |
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* <p><b>This is NOT part of any API supported by Sun Microsystems. If |
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* you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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class CodeWriter extends BasicWriter { |
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static CodeWriter instance(Context context) { |
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CodeWriter instance = context.get(CodeWriter.class); |
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if (instance == null) |
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instance = new CodeWriter(context); |
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return instance; |
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} |
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protected CodeWriter(Context context) { |
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super(context); |
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context.put(CodeWriter.class, this); |
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attrWriter = AttributeWriter.instance(context); |
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classWriter = ClassWriter.instance(context); |
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constantWriter = ConstantWriter.instance(context); |
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} |
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void write(Code_attribute attr, ConstantPool constant_pool) { |
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println(" Code:"); |
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writeVerboseHeader(attr, constant_pool); |
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writeInstrs(attr); |
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writeExceptionTable(attr); |
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attrWriter.write(attr, attr.attributes, constant_pool); |
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} |
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public void writeVerboseHeader(Code_attribute attr, ConstantPool constant_pool) { |
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Method method = classWriter.getMethod(); |
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String argCount; |
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try { |
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int n = method.descriptor.getParameterCount(constant_pool); |
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if (!method.access_flags.is(AccessFlags.ACC_STATIC)) |
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++n; // for 'this' |
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argCount = Integer.toString(n); |
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} catch (ConstantPoolException e) { |
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argCount = report(e); |
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} catch (DescriptorException e) { |
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argCount = report(e); |
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} |
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println(" Stack=" + attr.max_stack + |
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", Locals=" + attr.max_locals + |
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", Args_size=" + argCount); |
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} |
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public void writeInstrs(Code_attribute attr) { |
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try { |
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for (int pc = 0; pc < attr.code_length;) { |
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print(" " + pc + ":\t"); |
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pc += writeInstr(attr, pc); |
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println(); |
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} |
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} catch (Code_attribute.InvalidIndex e) { |
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println(report(e)); |
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} |
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} |
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public int writeInstr(Code_attribute attr, int pc) |
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throws Code_attribute.InvalidIndex { |
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String lP = ""; |
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int opcode = attr.getUnsignedByte(pc); |
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int opcode2; |
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String mnem; |
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switch (opcode) { |
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case opc_nonpriv: |
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case opc_priv: { |
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opcode2 = attr.getUnsignedByte(pc + 1); |
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mnem = opcName((opcode << 8) + opcode2); |
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if (mnem == null) { |
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mnem = opcName(opcode) + " " + opcode2; |
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} |
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print(mnem); |
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return 2; |
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} |
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case opc_wide: { |
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opcode2 = attr.getUnsignedByte(pc + 1); |
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mnem = opcName((opcode << 8) + opcode2); |
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if (mnem == null) { |
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print("bytecode " + opcode); |
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return 1; |
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} |
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print(mnem + " " + attr.getUnsignedShort(pc + 2)); |
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if (opcode2 == opc_iinc) { |
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print(", " + attr.getShort(pc + 4)); |
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return 6; |
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} |
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return 4; |
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} |
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} |
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mnem = opcName(opcode); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
134 |
if (mnem == null) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
135 |
print("bytecode " + opcode); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
136 |
return 1; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
137 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
138 |
if (opcode > opc_jsr_w) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
139 |
print("bytecode " + opcode); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
140 |
return 1; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
141 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
142 |
print(opcName(opcode)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
143 |
switch (opcode) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
144 |
case opc_aload: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
145 |
case opc_astore: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
146 |
case opc_fload: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
147 |
case opc_fstore: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
148 |
case opc_iload: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
149 |
case opc_istore: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
150 |
case opc_lload: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
151 |
case opc_lstore: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
152 |
case opc_dload: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
153 |
case opc_dstore: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
154 |
case opc_ret: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
155 |
print("\t" + attr.getUnsignedByte(pc + 1)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
156 |
return 2; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
157 |
case opc_iinc: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
158 |
print("\t" + attr.getUnsignedByte(pc + 1) + ", " + attr.getByte(pc + 2)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
159 |
return 3; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
160 |
case opc_tableswitch: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
161 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
162 |
int tb = align(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
163 |
int default_skip = attr.getInt(tb); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
164 |
int low = attr.getInt(tb + 4); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
165 |
int high = attr.getInt(tb + 8); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
166 |
int count = high - low; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
167 |
print("{ //" + low + " to " + high); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
168 |
for (int i = 0; i <= count; i++) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
169 |
print("\n\t\t" + (i + low) + ": " + lP + (pc + attr.getInt(tb + 12 + 4 * i)) + ";"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
170 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
171 |
print("\n\t\tdefault: " + lP + (default_skip + pc) + " }"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
172 |
return tb - pc + 16 + count * 4; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
173 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
174 |
case opc_lookupswitch: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
175 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
176 |
int tb = align(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
177 |
int default_skip = attr.getInt(tb); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
178 |
int npairs = attr.getInt(tb + 4); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
179 |
print("{ //" + npairs); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
180 |
for (int i = 1; i <= npairs; i++) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
181 |
print("\n\t\t" + attr.getInt(tb + i * 8) + ": " + lP + (pc + attr.getInt(tb + 4 + i * 8)) + ";"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
182 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
183 |
print("\n\t\tdefault: " + lP + (default_skip + pc) + " }"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
184 |
return tb - pc + (npairs + 1) * 8; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
185 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
186 |
case opc_newarray: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
187 |
int type = attr.getUnsignedByte(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
188 |
switch (type) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
189 |
case T_BOOLEAN: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
190 |
print(" boolean"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
191 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
192 |
case T_BYTE: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
193 |
print(" byte"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
194 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
195 |
case T_CHAR: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
196 |
print(" char"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
197 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
198 |
case T_SHORT: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
199 |
print(" short"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
200 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
201 |
case T_INT: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
202 |
print(" int"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
203 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
204 |
case T_LONG: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
205 |
print(" long"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
206 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
207 |
case T_FLOAT: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
208 |
print(" float"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
209 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
210 |
case T_DOUBLE: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
211 |
print(" double"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
212 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
213 |
case T_CLASS: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
214 |
print(" class"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
215 |
break; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
216 |
default: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
217 |
print(" BOGUS TYPE:" + type); |
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 |
return 2; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
220 |
case opc_anewarray: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
221 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
222 |
int index = attr.getUnsignedShort(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
223 |
print("\t#" + index + "; //"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
224 |
printConstant(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
225 |
return 3; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
226 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
227 |
case opc_sipush: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
228 |
print("\t" + attr.getShort(pc + 1)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
229 |
return 3; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
230 |
case opc_bipush: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
231 |
print("\t" + attr.getByte(pc + 1)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
232 |
return 2; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
233 |
case opc_ldc: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
234 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
235 |
int index = attr.getUnsignedByte(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
236 |
print("\t#" + index + "; //"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
237 |
printConstant(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
238 |
return 2; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
239 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
240 |
case opc_ldc_w: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
241 |
case opc_ldc2_w: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
242 |
case opc_instanceof: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
243 |
case opc_checkcast: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
244 |
case opc_new: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
245 |
case opc_putstatic: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
246 |
case opc_getstatic: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
247 |
case opc_putfield: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
248 |
case opc_getfield: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
249 |
case opc_invokevirtual: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
250 |
case opc_invokespecial: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
251 |
case opc_invokestatic: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
252 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
253 |
int index = attr.getUnsignedShort(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
254 |
print("\t#" + index + "; //"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
255 |
printConstant(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
256 |
return 3; |
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 |
case opc_invokeinterface: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
259 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
260 |
int index = attr.getUnsignedShort(pc + 1); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
261 |
int nargs = attr.getUnsignedByte(pc + 3); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
262 |
print("\t#" + index + ", " + nargs + "; //"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
263 |
printConstant(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
264 |
return 5; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
265 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
266 |
case opc_multianewarray: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
267 |
{ |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
268 |
int index = attr.getUnsignedShort(pc + 1); |
cb50c1ae7bab
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269 |
int dimensions = attr.getUnsignedByte(pc + 3); |
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270 |
print("\t#" + index + ", " + dimensions + "; //"); |
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271 |
printConstant(index); |
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272 |
return 4; |
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273 |
} |
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274 |
case opc_jsr: |
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|
275 |
case opc_goto: |
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|
276 |
case opc_ifeq: |
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|
277 |
case opc_ifge: |
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|
278 |
case opc_ifgt: |
cb50c1ae7bab
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|
279 |
case opc_ifle: |
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diff
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|
280 |
case opc_iflt: |
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4075303: Use javap to enquire aboput a specific inner class
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parents:
diff
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|
281 |
case opc_ifne: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
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parents:
diff
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|
282 |
case opc_if_icmpeq: |
cb50c1ae7bab
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parents:
diff
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|
283 |
case opc_if_icmpne: |
cb50c1ae7bab
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parents:
diff
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|
284 |
case opc_if_icmpge: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
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|
285 |
case opc_if_icmpgt: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
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|
286 |
case opc_if_icmple: |
cb50c1ae7bab
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jjg
parents:
diff
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|
287 |
case opc_if_icmplt: |
cb50c1ae7bab
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jjg
parents:
diff
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|
288 |
case opc_if_acmpeq: |
cb50c1ae7bab
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jjg
parents:
diff
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|
289 |
case opc_if_acmpne: |
cb50c1ae7bab
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jjg
parents:
diff
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|
290 |
case opc_ifnull: |
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jjg
parents:
diff
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|
291 |
case opc_ifnonnull: |
cb50c1ae7bab
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parents:
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|
292 |
print("\t" + lP + (pc + attr.getShort(pc + 1))); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
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|
293 |
return 3; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
294 |
case opc_jsr_w: |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
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|
295 |
case opc_goto_w: |
cb50c1ae7bab
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jjg
parents:
diff
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|
296 |
print("\t" + lP + (pc + attr.getInt(pc + 1))); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
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changeset
|
297 |
return 5; |
cb50c1ae7bab
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jjg
parents:
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|
298 |
default: |
cb50c1ae7bab
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jjg
parents:
diff
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|
299 |
return 1; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
300 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
301 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
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|
302 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
303 |
public void writeExceptionTable(Code_attribute attr) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
304 |
if (attr.exception_table_langth > 0) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
305 |
println(" Exception table:"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
306 |
println(" from to target type"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
307 |
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
|
308 |
Code_attribute.Exception_data handler = attr.exception_table[i]; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
309 |
printFixedWidthInt(handler.start_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
310 |
printFixedWidthInt(handler.end_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
311 |
printFixedWidthInt(handler.handler_pc, 6); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
312 |
print(" "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
313 |
int catch_type = handler.catch_type; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
314 |
if (catch_type == 0) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
315 |
println("any"); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
316 |
} else { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
317 |
print("Class "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
318 |
println(constantWriter.stringValue(catch_type)); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
319 |
println(""); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
320 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
321 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
322 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
323 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
324 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
325 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
326 |
private void printConstant(int index) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
327 |
constantWriter.write(index); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
328 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
329 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
330 |
private void printFixedWidthInt(int n, int width) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
331 |
String s = String.valueOf(n); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
332 |
for (int i = s.length(); i < width; i++) |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
333 |
print(" "); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
334 |
print(s); |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
335 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
336 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
337 |
private static int align(int n) { |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
338 |
return (n + 3) & ~3; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
339 |
} |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
340 |
|
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
341 |
private AttributeWriter attrWriter; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
342 |
private ClassWriter classWriter; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
343 |
private ConstantWriter constantWriter; |
cb50c1ae7bab
4075303: Use javap to enquire aboput a specific inner class
jjg
parents:
diff
changeset
|
344 |
} |