Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javap/CodeWriter.java
src/share/classes/com/sun/tools/javap/CodeWriter.java
- changeset 283
- cd0630109de5
- parent 255
- 07da2ffbb76b
- child 338
- 777a3efad0d5
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| 282:fc634a593812 | 283:cd0630109de5 |
|---|---|
| 22 * CA 95054 USA or visit www.sun.com if you need additional information or | 22 * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 * have any questions. | 23 * have any questions. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 package com.sun.tools.javap; | 26 package com.sun.tools.javap; |
| 27 | |
| 28 import java.util.ArrayList; | |
| 29 import java.util.List; | |
| 27 | 30 |
| 28 import com.sun.tools.classfile.AccessFlags; | 31 import com.sun.tools.classfile.AccessFlags; |
| 29 import com.sun.tools.classfile.Code_attribute; | 32 import com.sun.tools.classfile.Code_attribute; |
| 30 import com.sun.tools.classfile.ConstantPool; | 33 import com.sun.tools.classfile.ConstantPool; |
| 31 import com.sun.tools.classfile.ConstantPoolException; | 34 import com.sun.tools.classfile.ConstantPoolException; |
| 32 import com.sun.tools.classfile.DescriptorException; | 35 import com.sun.tools.classfile.DescriptorException; |
| 33 import com.sun.tools.classfile.Instruction; | 36 import com.sun.tools.classfile.Instruction; |
| 34 import com.sun.tools.classfile.Instruction.TypeKind; | 37 import com.sun.tools.classfile.Instruction.TypeKind; |
| 35 import com.sun.tools.classfile.Method; | 38 import com.sun.tools.classfile.Method; |
| 36 import com.sun.tools.classfile.Opcode; | |
| 37 | |
| 38 //import static com.sun.tools.classfile.OpCodes.*; | |
| 39 | 39 |
| 40 /* | 40 /* |
| 41 * Write the contents of a Code attribute. | 41 * Write the contents of a Code attribute. |
| 42 * | 42 * |
| 43 * <p><b>This is NOT part of any API supported by Sun Microsystems. If | 43 * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
| 57 super(context); | 57 super(context); |
| 58 context.put(CodeWriter.class, this); | 58 context.put(CodeWriter.class, this); |
| 59 attrWriter = AttributeWriter.instance(context); | 59 attrWriter = AttributeWriter.instance(context); |
| 60 classWriter = ClassWriter.instance(context); | 60 classWriter = ClassWriter.instance(context); |
| 61 constantWriter = ConstantWriter.instance(context); | 61 constantWriter = ConstantWriter.instance(context); |
| 62 sourceWriter = SourceWriter.instance(context); | |
| 63 tryBlockWriter = TryBlockWriter.instance(context); | |
| 64 stackMapWriter = StackMapWriter.instance(context); | |
| 65 localVariableTableWriter = LocalVariableTableWriter.instance(context); | |
| 66 localVariableTypeTableWriter = LocalVariableTypeTableWriter.instance(context); | |
| 67 options = Options.instance(context); | |
| 62 } | 68 } |
| 63 | 69 |
| 64 void write(Code_attribute attr, ConstantPool constant_pool) { | 70 void write(Code_attribute attr, ConstantPool constant_pool) { |
| 65 println(" Code:"); | 71 println(" Code:"); |
| 66 writeVerboseHeader(attr, constant_pool); | 72 writeVerboseHeader(attr, constant_pool); |
| 88 ", Args_size=" + argCount); | 94 ", Args_size=" + argCount); |
| 89 | 95 |
| 90 } | 96 } |
| 91 | 97 |
| 92 public void writeInstrs(Code_attribute attr) { | 98 public void writeInstrs(Code_attribute attr) { |
| 99 List<InstructionDetailWriter> detailWriters = getDetailWriters(attr); | |
| 100 | |
| 93 for (Instruction instr: attr.getInstructions()) { | 101 for (Instruction instr: attr.getInstructions()) { |
| 94 try { | 102 try { |
| 103 for (InstructionDetailWriter w: detailWriters) | |
| 104 w.writeDetails(instr); | |
| 95 writeInstr(instr); | 105 writeInstr(instr); |
| 96 } catch (ArrayIndexOutOfBoundsException e) { | 106 } catch (ArrayIndexOutOfBoundsException e) { |
| 97 println(report("error at or after byte " + instr.getPC())); | 107 println(report("error at or after byte " + instr.getPC())); |
| 98 break; | 108 break; |
| 99 } | 109 } |
| 100 } | 110 } |
| 111 | |
| 112 for (InstructionDetailWriter w: detailWriters) | |
| 113 w.flush(); | |
| 101 } | 114 } |
| 102 | 115 |
| 103 public void writeInstr(Instruction instr) { | 116 public void writeInstr(Instruction instr) { |
| 104 print(" " + instr.getPC() + ":\t"); | 117 print(" " + instr.getPC() + ":\t"); |
| 105 print(instr.getMnemonic()); | 118 print(instr.getMnemonic()); |
| 209 for (int i = s.length(); i < width; i++) | 222 for (int i = s.length(); i < width; i++) |
| 210 print(" "); | 223 print(" "); |
| 211 print(s); | 224 print(s); |
| 212 } | 225 } |
| 213 | 226 |
| 214 private static int align(int n) { | 227 private List<InstructionDetailWriter> getDetailWriters(Code_attribute attr) { |
| 215 return (n + 3) & ~3; | 228 List<InstructionDetailWriter> detailWriters = |
| 229 new ArrayList<InstructionDetailWriter>(); | |
| 230 if (options.details.contains(InstructionDetailWriter.Kind.SOURCE)) { | |
| 231 sourceWriter.reset(classWriter.getClassFile(), attr); | |
| 232 detailWriters.add(sourceWriter); | |
| 233 } | |
| 234 | |
| 235 if (options.details.contains(InstructionDetailWriter.Kind.LOCAL_VARS)) { | |
| 236 localVariableTableWriter.reset(attr); | |
| 237 detailWriters.add(localVariableTableWriter); | |
| 238 } | |
| 239 | |
| 240 if (options.details.contains(InstructionDetailWriter.Kind.LOCAL_VAR_TYPES)) { | |
| 241 localVariableTypeTableWriter.reset(attr); | |
| 242 detailWriters.add(localVariableTypeTableWriter); | |
| 243 } | |
| 244 | |
| 245 if (options.details.contains(InstructionDetailWriter.Kind.STACKMAPS)) { | |
| 246 stackMapWriter.reset(attr); | |
| 247 stackMapWriter.writeInitialDetails(); | |
| 248 detailWriters.add(stackMapWriter); | |
| 249 } | |
| 250 | |
| 251 if (options.details.contains(InstructionDetailWriter.Kind.TRY_BLOCKS)) { | |
| 252 tryBlockWriter.reset(attr); | |
| 253 detailWriters.add(tryBlockWriter); | |
| 254 } | |
| 255 | |
| 256 return detailWriters; | |
| 216 } | 257 } |
| 217 | 258 |
| 218 private AttributeWriter attrWriter; | 259 private AttributeWriter attrWriter; |
| 219 private ClassWriter classWriter; | 260 private ClassWriter classWriter; |
| 220 private ConstantWriter constantWriter; | 261 private ConstantWriter constantWriter; |
| 262 private LocalVariableTableWriter localVariableTableWriter; | |
| 263 private LocalVariableTypeTableWriter localVariableTypeTableWriter; | |
| 264 private SourceWriter sourceWriter; | |
| 265 private StackMapWriter stackMapWriter; | |
| 266 private TryBlockWriter tryBlockWriter; | |
| 267 private Options options; | |
| 221 } | 268 } |
