Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Browse files

revert to asm-2.2.3 / kilim-krab

  • Loading branch information...
commit 65890202a0112f5b208d3e641ba7e55a2f0347cf 1 parent 2c66f04
@krestenkrab krestenkrab authored
Showing with 2 additions and 28,153 deletions.
  1. +2 −2 .classpath
  2. BIN  lib/asm-all-2.2.3.jar
  3. BIN  lib/junit.jar
  4. BIN  lib/kilim-0.6-KRAB.jar
  5. +0 −97 src/asm/java/org/objectweb/asm/AnnotationVisitor.java
  6. +0 −316 src/asm/java/org/objectweb/asm/AnnotationWriter.java
  7. +0 −254 src/asm/java/org/objectweb/asm/Attribute.java
  8. +0 −293 src/asm/java/org/objectweb/asm/ByteVector.java
  9. +0 −121 src/asm/java/org/objectweb/asm/ClassAdapter.java
  10. +0 −2,020 src/asm/java/org/objectweb/asm/ClassReader.java
  11. +0 −196 src/asm/java/org/objectweb/asm/ClassVisitor.java
  12. +0 −1,357 src/asm/java/org/objectweb/asm/ClassWriter.java
  13. +0 −75 src/asm/java/org/objectweb/asm/Edge.java
  14. +0 −64 src/asm/java/org/objectweb/asm/FieldVisitor.java
  15. +0 −269 src/asm/java/org/objectweb/asm/FieldWriter.java
  16. +0 −1,429 src/asm/java/org/objectweb/asm/Frame.java
  17. +0 −80 src/asm/java/org/objectweb/asm/Handler.java
  18. +0 −254 src/asm/java/org/objectweb/asm/Item.java
  19. +0 −544 src/asm/java/org/objectweb/asm/Label.java
  20. +0 −195 src/asm/java/org/objectweb/asm/MethodAdapter.java
  21. +0 −396 src/asm/java/org/objectweb/asm/MethodVisitor.java
  22. +0 −2,575 src/asm/java/org/objectweb/asm/MethodWriter.java
  23. +0 −347 src/asm/java/org/objectweb/asm/Opcodes.java
  24. +0 −832 src/asm/java/org/objectweb/asm/Type.java
  25. +0 −48 src/asm/java/org/objectweb/asm/attrs/package.html
  26. +0 −613 src/asm/java/org/objectweb/asm/commons/AdviceAdapter.java
  27. +0 −853 src/asm/java/org/objectweb/asm/commons/AnalyzerAdapter.java
  28. +0 −206 src/asm/java/org/objectweb/asm/commons/CodeSizeEvaluator.java
  29. +0 −238 src/asm/java/org/objectweb/asm/commons/EmptyVisitor.java
  30. +0 −1,506 src/asm/java/org/objectweb/asm/commons/GeneratorAdapter.java
  31. +0 −1,079 src/asm/java/org/objectweb/asm/commons/InstructionAdapter.java
  32. +0 −728 src/asm/java/org/objectweb/asm/commons/JSRInlinerAdapter.java
  33. +0 −320 src/asm/java/org/objectweb/asm/commons/LocalVariablesSorter.java
  34. +0 −275 src/asm/java/org/objectweb/asm/commons/Method.java
  35. +0 −187 src/asm/java/org/objectweb/asm/commons/Remapper.java
  36. +0 −76 src/asm/java/org/objectweb/asm/commons/RemappingAnnotationAdapter.java
  37. +0 −145 src/asm/java/org/objectweb/asm/commons/RemappingClassAdapter.java
  38. +0 −65 src/asm/java/org/objectweb/asm/commons/RemappingFieldAdapter.java
  39. +0 −168 src/asm/java/org/objectweb/asm/commons/RemappingMethodAdapter.java
  40. +0 −126 src/asm/java/org/objectweb/asm/commons/RemappingSignatureAdapter.java
  41. +0 −508 src/asm/java/org/objectweb/asm/commons/SerialVersionUIDAdder.java
  42. +0 −62 src/asm/java/org/objectweb/asm/commons/SimpleRemapper.java
  43. +0 −99 src/asm/java/org/objectweb/asm/commons/StaticInitMerger.java
  44. +0 −55 src/asm/java/org/objectweb/asm/commons/TableSwitchGenerator.java
  45. +0 −48 src/asm/java/org/objectweb/asm/commons/package.html
  46. +0 −87 src/asm/java/org/objectweb/asm/package.html
  47. +0 −229 src/asm/java/org/objectweb/asm/signature/SignatureReader.java
  48. +0 −185 src/asm/java/org/objectweb/asm/signature/SignatureVisitor.java
  49. +0 −207 src/asm/java/org/objectweb/asm/signature/SignatureWriter.java
  50. +0 −36 src/asm/java/org/objectweb/asm/signature/package.html
  51. +0 −233 src/asm/java/org/objectweb/asm/tree/AbstractInsnNode.java
  52. +0 −191 src/asm/java/org/objectweb/asm/tree/AnnotationNode.java
  53. +0 −280 src/asm/java/org/objectweb/asm/tree/ClassNode.java
  54. +0 −103 src/asm/java/org/objectweb/asm/tree/FieldInsnNode.java
  55. +0 −127 src/asm/java/org/objectweb/asm/tree/FieldNode.java
  56. +0 −208 src/asm/java/org/objectweb/asm/tree/FrameNode.java
  57. +0 −77 src/asm/java/org/objectweb/asm/tree/IincInsnNode.java
  58. +0 −101 src/asm/java/org/objectweb/asm/tree/InnerClassNode.java
  59. +0 −640 src/asm/java/org/objectweb/asm/tree/InsnList.java
  60. +0 −81 src/asm/java/org/objectweb/asm/tree/InsnNode.java
  61. +0 −81 src/asm/java/org/objectweb/asm/tree/IntInsnNode.java
  62. +0 −89 src/asm/java/org/objectweb/asm/tree/JumpInsnNode.java
  63. +0 −75 src/asm/java/org/objectweb/asm/tree/LabelNode.java
  64. +0 −74 src/asm/java/org/objectweb/asm/tree/LdcInsnNode.java
  65. +0 −79 src/asm/java/org/objectweb/asm/tree/LineNumberNode.java
  66. +0 −115 src/asm/java/org/objectweb/asm/tree/LocalVariableNode.java
  67. +0 −113 src/asm/java/org/objectweb/asm/tree/LookupSwitchInsnNode.java
  68. +0 −120 src/asm/java/org/objectweb/asm/tree/MemberNode.java
  69. +0 −105 src/asm/java/org/objectweb/asm/tree/MethodInsnNode.java
  70. +0 −491 src/asm/java/org/objectweb/asm/tree/MethodNode.java
  71. +0 −78 src/asm/java/org/objectweb/asm/tree/MultiANewArrayInsnNode.java
  72. +0 −112 src/asm/java/org/objectweb/asm/tree/TableSwitchInsnNode.java
  73. +0 −94 src/asm/java/org/objectweb/asm/tree/TryCatchBlockNode.java
  74. +0 −84 src/asm/java/org/objectweb/asm/tree/TypeInsnNode.java
  75. +0 −87 src/asm/java/org/objectweb/asm/tree/VarInsnNode.java
  76. +0 −508 src/asm/java/org/objectweb/asm/tree/analysis/Analyzer.java
  77. +0 −56 src/asm/java/org/objectweb/asm/tree/analysis/AnalyzerException.java
  78. +0 −330 src/asm/java/org/objectweb/asm/tree/analysis/BasicInterpreter.java
  79. +0 −105 src/asm/java/org/objectweb/asm/tree/analysis/BasicValue.java
  80. +0 −435 src/asm/java/org/objectweb/asm/tree/analysis/BasicVerifier.java
  81. +0 −693 src/asm/java/org/objectweb/asm/tree/analysis/Frame.java
  82. +0 −192 src/asm/java/org/objectweb/asm/tree/analysis/Interpreter.java
  83. +0 −302 src/asm/java/org/objectweb/asm/tree/analysis/SimpleVerifier.java
  84. +0 −126 src/asm/java/org/objectweb/asm/tree/analysis/SmallSet.java
  85. +0 −184 src/asm/java/org/objectweb/asm/tree/analysis/SourceInterpreter.java
  86. +0 −95 src/asm/java/org/objectweb/asm/tree/analysis/SourceValue.java
  87. +0 −93 src/asm/java/org/objectweb/asm/tree/analysis/Subroutine.java
  88. +0 −45 src/asm/java/org/objectweb/asm/tree/analysis/Value.java
  89. +0 −67 src/asm/java/org/objectweb/asm/tree/analysis/package.html
  90. +0 −192 src/asm/java/org/objectweb/asm/tree/package.html
  91. +0 −53 src/asm/java/org/objectweb/asm/util/ASMifiable.java
  92. +0 −222 src/asm/java/org/objectweb/asm/util/ASMifierAbstractVisitor.java
  93. +0 −127 src/asm/java/org/objectweb/asm/util/ASMifierAnnotationVisitor.java
  94. +0 −575 src/asm/java/org/objectweb/asm/util/ASMifierClassVisitor.java
  95. +0 −50 src/asm/java/org/objectweb/asm/util/ASMifierFieldVisitor.java
Sorry, we could not display the entire diff because it was too big.
View
4 .classpath
@@ -2,12 +2,12 @@
<classpath>
<classpathentry kind="src" path="src/main/java"/>
<classpathentry kind="src" path="src/test/java"/>
- <classpathentry kind="src" path="src/asm/java"/>
- <classpathentry kind="src" path="src/kilim/java"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="lib" path="lib/OtpErlang.jar"/>
<classpathentry kind="lib" path="lib/antlr-3.2.jar"/>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3"/>
<classpathentry kind="lib" path="target/gen"/>
+ <classpathentry kind="lib" path="lib/asm-all-2.2.3.jar"/>
+ <classpathentry kind="lib" path="lib/kilim-0.6-KRAB.jar"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>
View
BIN  lib/asm-all-2.2.3.jar
Binary file not shown
View
BIN  lib/junit.jar
Binary file not shown
View
BIN  lib/kilim-0.6-KRAB.jar
Binary file not shown
View
97 src/asm/java/org/objectweb/asm/AnnotationVisitor.java
@@ -1,97 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-/**
- * A visitor to visit a Java annotation. The methods of this interface must be
- * called in the following order: (<tt>visit<tt> | <tt>visitEnum<tt> |
- * <tt>visitAnnotation<tt> | <tt>visitArray<tt>)* <tt>visitEnd<tt>.
- *
- * @author Eric Bruneton
- * @author Eugene Kuleshov
- */
-public interface AnnotationVisitor {
-
- /**
- * Visits a primitive value of the annotation.
- *
- * @param name the value name.
- * @param value the actual value, whose type must be {@link Byte},
- * {@link Boolean}, {@link Character}, {@link Short},
- * {@link Integer}, {@link Long}, {@link Float}, {@link Double},
- * {@link String} or {@link Type}. This value can also be an array
- * of byte, boolean, short, char, int, long, float or double values
- * (this is equivalent to using {@link #visitArray visitArray} and
- * visiting each array element in turn, but is more convenient).
- */
- void visit(String name, Object value);
-
- /**
- * Visits an enumeration value of the annotation.
- *
- * @param name the value name.
- * @param desc the class descriptor of the enumeration class.
- * @param value the actual enumeration value.
- */
- void visitEnum(String name, String desc, String value);
-
- /**
- * Visits a nested annotation value of the annotation.
- *
- * @param name the value name.
- * @param desc the class descriptor of the nested annotation class.
- * @return a visitor to visit the actual nested annotation value, or
- * <tt>null</tt> if this visitor is not interested in visiting
- * this nested annotation. <i>The nested annotation value must be
- * fully visited before calling other methods on this annotation
- * visitor</i>.
- */
- AnnotationVisitor visitAnnotation(String name, String desc);
-
- /**
- * Visits an array value of the annotation. Note that arrays of primitive
- * types (such as byte, boolean, short, char, int, long, float or double)
- * can be passed as value to {@link #visit visit}. This is what
- * {@link ClassReader} does.
- *
- * @param name the value name.
- * @return a visitor to visit the actual array value elements, or
- * <tt>null</tt> if this visitor is not interested in visiting
- * these values. The 'name' parameters passed to the methods of this
- * visitor are ignored. <i>All the array values must be visited
- * before calling other methods on this annotation visitor</i>.
- */
- AnnotationVisitor visitArray(String name);
-
- /**
- * Visits the end of the annotation.
- */
- void visitEnd();
-}
View
316 src/asm/java/org/objectweb/asm/AnnotationWriter.java
@@ -1,316 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-/**
- * An {@link AnnotationVisitor} that generates annotations in bytecode form.
- *
- * @author Eric Bruneton
- * @author Eugene Kuleshov
- */
-final class AnnotationWriter implements AnnotationVisitor {
-
- /**
- * The class writer to which this annotation must be added.
- */
- private final ClassWriter cw;
-
- /**
- * The number of values in this annotation.
- */
- private int size;
-
- /**
- * <tt>true<tt> if values are named, <tt>false</tt> otherwise. Annotation
- * writers used for annotation default and annotation arrays use unnamed
- * values.
- */
- private final boolean named;
-
- /**
- * The annotation values in bytecode form. This byte vector only contains
- * the values themselves, i.e. the number of values must be stored as a
- * unsigned short just before these bytes.
- */
- private final ByteVector bv;
-
- /**
- * The byte vector to be used to store the number of values of this
- * annotation. See {@link #bv}.
- */
- private final ByteVector parent;
-
- /**
- * Where the number of values of this annotation must be stored in
- * {@link #parent}.
- */
- private final int offset;
-
- /**
- * Next annotation writer. This field is used to store annotation lists.
- */
- AnnotationWriter next;
-
- /**
- * Previous annotation writer. This field is used to store annotation lists.
- */
- AnnotationWriter prev;
-
- // ------------------------------------------------------------------------
- // Constructor
- // ------------------------------------------------------------------------
-
- /**
- * Constructs a new {@link AnnotationWriter}.
- *
- * @param cw the class writer to which this annotation must be added.
- * @param named <tt>true<tt> if values are named, <tt>false</tt> otherwise.
- * @param bv where the annotation values must be stored.
- * @param parent where the number of annotation values must be stored.
- * @param offset where in <tt>parent</tt> the number of annotation values must
- * be stored.
- */
- AnnotationWriter(
- final ClassWriter cw,
- final boolean named,
- final ByteVector bv,
- final ByteVector parent,
- final int offset)
- {
- this.cw = cw;
- this.named = named;
- this.bv = bv;
- this.parent = parent;
- this.offset = offset;
- }
-
- // ------------------------------------------------------------------------
- // Implementation of the AnnotationVisitor interface
- // ------------------------------------------------------------------------
-
- public void visit(final String name, final Object value) {
- ++size;
- if (named) {
- bv.putShort(cw.newUTF8(name));
- }
- if (value instanceof String) {
- bv.put12('s', cw.newUTF8((String) value));
- } else if (value instanceof Byte) {
- bv.put12('B', cw.newInteger(((Byte) value).byteValue()).index);
- } else if (value instanceof Boolean) {
- int v = ((Boolean) value).booleanValue() ? 1 : 0;
- bv.put12('Z', cw.newInteger(v).index);
- } else if (value instanceof Character) {
- bv.put12('C', cw.newInteger(((Character) value).charValue()).index);
- } else if (value instanceof Short) {
- bv.put12('S', cw.newInteger(((Short) value).shortValue()).index);
- } else if (value instanceof Type) {
- bv.put12('c', cw.newUTF8(((Type) value).getDescriptor()));
- } else if (value instanceof byte[]) {
- byte[] v = (byte[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('B', cw.newInteger(v[i]).index);
- }
- } else if (value instanceof boolean[]) {
- boolean[] v = (boolean[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('Z', cw.newInteger(v[i] ? 1 : 0).index);
- }
- } else if (value instanceof short[]) {
- short[] v = (short[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('S', cw.newInteger(v[i]).index);
- }
- } else if (value instanceof char[]) {
- char[] v = (char[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('C', cw.newInteger(v[i]).index);
- }
- } else if (value instanceof int[]) {
- int[] v = (int[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('I', cw.newInteger(v[i]).index);
- }
- } else if (value instanceof long[]) {
- long[] v = (long[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('J', cw.newLong(v[i]).index);
- }
- } else if (value instanceof float[]) {
- float[] v = (float[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('F', cw.newFloat(v[i]).index);
- }
- } else if (value instanceof double[]) {
- double[] v = (double[]) value;
- bv.put12('[', v.length);
- for (int i = 0; i < v.length; i++) {
- bv.put12('D', cw.newDouble(v[i]).index);
- }
- } else {
- Item i = cw.newConstItem(value);
- bv.put12(".s.IFJDCS".charAt(i.type), i.index);
- }
- }
-
- public void visitEnum(
- final String name,
- final String desc,
- final String value)
- {
- ++size;
- if (named) {
- bv.putShort(cw.newUTF8(name));
- }
- bv.put12('e', cw.newUTF8(desc)).putShort(cw.newUTF8(value));
- }
-
- public AnnotationVisitor visitAnnotation(
- final String name,
- final String desc)
- {
- ++size;
- if (named) {
- bv.putShort(cw.newUTF8(name));
- }
- // write tag and type, and reserve space for values count
- bv.put12('@', cw.newUTF8(desc)).putShort(0);
- return new AnnotationWriter(cw, true, bv, bv, bv.length - 2);
- }
-
- public AnnotationVisitor visitArray(final String name) {
- ++size;
- if (named) {
- bv.putShort(cw.newUTF8(name));
- }
- // write tag, and reserve space for array size
- bv.put12('[', 0);
- return new AnnotationWriter(cw, false, bv, bv, bv.length - 2);
- }
-
- public void visitEnd() {
- if (parent != null) {
- byte[] data = parent.data;
- data[offset] = (byte) (size >>> 8);
- data[offset + 1] = (byte) size;
- }
- }
-
- // ------------------------------------------------------------------------
- // Utility methods
- // ------------------------------------------------------------------------
-
- /**
- * Returns the size of this annotation writer list.
- *
- * @return the size of this annotation writer list.
- */
- int getSize() {
- int size = 0;
- AnnotationWriter aw = this;
- while (aw != null) {
- size += aw.bv.length;
- aw = aw.next;
- }
- return size;
- }
-
- /**
- * Puts the annotations of this annotation writer list into the given byte
- * vector.
- *
- * @param out where the annotations must be put.
- */
- void put(final ByteVector out) {
- int n = 0;
- int size = 2;
- AnnotationWriter aw = this;
- AnnotationWriter last = null;
- while (aw != null) {
- ++n;
- size += aw.bv.length;
- aw.visitEnd(); // in case user forgot to call visitEnd
- aw.prev = last;
- last = aw;
- aw = aw.next;
- }
- out.putInt(size);
- out.putShort(n);
- aw = last;
- while (aw != null) {
- out.putByteArray(aw.bv.data, 0, aw.bv.length);
- aw = aw.prev;
- }
- }
-
- /**
- * Puts the given annotation lists into the given byte vector.
- *
- * @param panns an array of annotation writer lists.
- * @param off index of the first annotation to be written.
- * @param out where the annotations must be put.
- */
- static void put(
- final AnnotationWriter[] panns,
- final int off,
- final ByteVector out)
- {
- int size = 1 + 2 * (panns.length - off);
- for (int i = off; i < panns.length; ++i) {
- size += panns[i] == null ? 0 : panns[i].getSize();
- }
- out.putInt(size).putByte(panns.length - off);
- for (int i = off; i < panns.length; ++i) {
- AnnotationWriter aw = panns[i];
- AnnotationWriter last = null;
- int n = 0;
- while (aw != null) {
- ++n;
- aw.visitEnd(); // in case user forgot to call visitEnd
- aw.prev = last;
- last = aw;
- aw = aw.next;
- }
- out.putShort(n);
- aw = last;
- while (aw != null) {
- out.putByteArray(aw.bv.data, 0, aw.bv.length);
- aw = aw.prev;
- }
- }
- }
-}
View
254 src/asm/java/org/objectweb/asm/Attribute.java
@@ -1,254 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-/**
- * A non standard class, field, method or code attribute.
- *
- * @author Eric Bruneton
- * @author Eugene Kuleshov
- */
-public class Attribute {
-
- /**
- * The type of this attribute.
- */
- public final String type;
-
- /**
- * The raw value of this attribute, used only for unknown attributes.
- */
- byte[] value;
-
- /**
- * The next attribute in this attribute list. May be <tt>null</tt>.
- */
- Attribute next;
-
- /**
- * Constructs a new empty attribute.
- *
- * @param type the type of the attribute.
- */
- protected Attribute(final String type) {
- this.type = type;
- }
-
- /**
- * Returns <tt>true</tt> if this type of attribute is unknown. The default
- * implementation of this method always returns <tt>true</tt>.
- *
- * @return <tt>true</tt> if this type of attribute is unknown.
- */
- public boolean isUnknown() {
- return true;
- }
-
- /**
- * Returns <tt>true</tt> if this type of attribute is a code attribute.
- *
- * @return <tt>true</tt> if this type of attribute is a code attribute.
- */
- public boolean isCodeAttribute() {
- return false;
- }
-
- /**
- * Returns the labels corresponding to this attribute.
- *
- * @return the labels corresponding to this attribute, or <tt>null</tt> if
- * this attribute is not a code attribute that contains labels.
- */
- protected Label[] getLabels() {
- return null;
- }
-
- /**
- * Reads a {@link #type type} attribute. This method must return a <i>new</i>
- * {@link Attribute} object, of type {@link #type type}, corresponding to
- * the <tt>len</tt> bytes starting at the given offset, in the given class
- * reader.
- *
- * @param cr the class that contains the attribute to be read.
- * @param off index of the first byte of the attribute's content in {@link
- * ClassReader#b cr.b}. The 6 attribute header bytes, containing the
- * type and the length of the attribute, are not taken into account
- * here.
- * @param len the length of the attribute's content.
- * @param buf buffer to be used to call
- * {@link ClassReader#readUTF8 readUTF8},
- * {@link ClassReader#readClass(int,char[]) readClass} or
- * {@link ClassReader#readConst readConst}.
- * @param codeOff index of the first byte of code's attribute content in
- * {@link ClassReader#b cr.b}, or -1 if the attribute to be read is
- * not a code attribute. The 6 attribute header bytes, containing the
- * type and the length of the attribute, are not taken into account
- * here.
- * @param labels the labels of the method's code, or <tt>null</tt> if the
- * attribute to be read is not a code attribute.
- * @return a <i>new</i> {@link Attribute} object corresponding to the given
- * bytes.
- */
- protected Attribute read(
- final ClassReader cr,
- final int off,
- final int len,
- final char[] buf,
- final int codeOff,
- final Label[] labels)
- {
- Attribute attr = new Attribute(type);
- attr.value = new byte[len];
- System.arraycopy(cr.b, off, attr.value, 0, len);
- return attr;
- }
-
- /**
- * Returns the byte array form of this attribute.
- *
- * @param cw the class to which this attribute must be added. This parameter
- * can be used to add to the constant pool of this class the items
- * that corresponds to this attribute.
- * @param code the bytecode of the method corresponding to this code
- * attribute, or <tt>null</tt> if this attribute is not a code
- * attributes.
- * @param len the length of the bytecode of the method corresponding to this
- * code attribute, or <tt>null</tt> if this attribute is not a code
- * attribute.
- * @param maxStack the maximum stack size of the method corresponding to
- * this code attribute, or -1 if this attribute is not a code
- * attribute.
- * @param maxLocals the maximum number of local variables of the method
- * corresponding to this code attribute, or -1 if this attribute is
- * not a code attribute.
- * @return the byte array form of this attribute.
- */
- protected ByteVector write(
- final ClassWriter cw,
- final byte[] code,
- final int len,
- final int maxStack,
- final int maxLocals)
- {
- ByteVector v = new ByteVector();
- v.data = value;
- v.length = value.length;
- return v;
- }
-
- /**
- * Returns the length of the attribute list that begins with this attribute.
- *
- * @return the length of the attribute list that begins with this attribute.
- */
- final int getCount() {
- int count = 0;
- Attribute attr = this;
- while (attr != null) {
- count += 1;
- attr = attr.next;
- }
- return count;
- }
-
- /**
- * Returns the size of all the attributes in this attribute list.
- *
- * @param cw the class writer to be used to convert the attributes into byte
- * arrays, with the {@link #write write} method.
- * @param code the bytecode of the method corresponding to these code
- * attributes, or <tt>null</tt> if these attributes are not code
- * attributes.
- * @param len the length of the bytecode of the method corresponding to
- * these code attributes, or <tt>null</tt> if these attributes are
- * not code attributes.
- * @param maxStack the maximum stack size of the method corresponding to
- * these code attributes, or -1 if these attributes are not code
- * attributes.
- * @param maxLocals the maximum number of local variables of the method
- * corresponding to these code attributes, or -1 if these attributes
- * are not code attributes.
- * @return the size of all the attributes in this attribute list. This size
- * includes the size of the attribute headers.
- */
- final int getSize(
- final ClassWriter cw,
- final byte[] code,
- final int len,
- final int maxStack,
- final int maxLocals)
- {
- Attribute attr = this;
- int size = 0;
- while (attr != null) {
- cw.newUTF8(attr.type);
- size += attr.write(cw, code, len, maxStack, maxLocals).length + 6;
- attr = attr.next;
- }
- return size;
- }
-
- /**
- * Writes all the attributes of this attribute list in the given byte
- * vector.
- *
- * @param cw the class writer to be used to convert the attributes into byte
- * arrays, with the {@link #write write} method.
- * @param code the bytecode of the method corresponding to these code
- * attributes, or <tt>null</tt> if these attributes are not code
- * attributes.
- * @param len the length of the bytecode of the method corresponding to
- * these code attributes, or <tt>null</tt> if these attributes are
- * not code attributes.
- * @param maxStack the maximum stack size of the method corresponding to
- * these code attributes, or -1 if these attributes are not code
- * attributes.
- * @param maxLocals the maximum number of local variables of the method
- * corresponding to these code attributes, or -1 if these attributes
- * are not code attributes.
- * @param out where the attributes must be written.
- */
- final void put(
- final ClassWriter cw,
- final byte[] code,
- final int len,
- final int maxStack,
- final int maxLocals,
- final ByteVector out)
- {
- Attribute attr = this;
- while (attr != null) {
- ByteVector b = attr.write(cw, code, len, maxStack, maxLocals);
- out.putShort(cw.newUTF8(attr.type)).putInt(b.length);
- out.putByteArray(b.data, 0, b.length);
- attr = attr.next;
- }
- }
-}
View
293 src/asm/java/org/objectweb/asm/ByteVector.java
@@ -1,293 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-/**
- * A dynamically extensible vector of bytes. This class is roughly equivalent to
- * a DataOutputStream on top of a ByteArrayOutputStream, but is more efficient.
- *
- * @author Eric Bruneton
- */
-public class ByteVector {
-
- /**
- * The content of this vector.
- */
- byte[] data;
-
- /**
- * Actual number of bytes in this vector.
- */
- int length;
-
- /**
- * Constructs a new {@link ByteVector ByteVector} with a default initial
- * size.
- */
- public ByteVector() {
- data = new byte[64];
- }
-
- /**
- * Constructs a new {@link ByteVector ByteVector} with the given initial
- * size.
- *
- * @param initialSize the initial size of the byte vector to be constructed.
- */
- public ByteVector(final int initialSize) {
- data = new byte[initialSize];
- }
-
- /**
- * Puts a byte into this byte vector. The byte vector is automatically
- * enlarged if necessary.
- *
- * @param b a byte.
- * @return this byte vector.
- */
- public ByteVector putByte(final int b) {
- int length = this.length;
- if (length + 1 > data.length) {
- enlarge(1);
- }
- data[length++] = (byte) b;
- this.length = length;
- return this;
- }
-
- /**
- * Puts two bytes into this byte vector. The byte vector is automatically
- * enlarged if necessary.
- *
- * @param b1 a byte.
- * @param b2 another byte.
- * @return this byte vector.
- */
- ByteVector put11(final int b1, final int b2) {
- int length = this.length;
- if (length + 2 > data.length) {
- enlarge(2);
- }
- byte[] data = this.data;
- data[length++] = (byte) b1;
- data[length++] = (byte) b2;
- this.length = length;
- return this;
- }
-
- /**
- * Puts a short into this byte vector. The byte vector is automatically
- * enlarged if necessary.
- *
- * @param s a short.
- * @return this byte vector.
- */
- public ByteVector putShort(final int s) {
- int length = this.length;
- if (length + 2 > data.length) {
- enlarge(2);
- }
- byte[] data = this.data;
- data[length++] = (byte) (s >>> 8);
- data[length++] = (byte) s;
- this.length = length;
- return this;
- }
-
- /**
- * Puts a byte and a short into this byte vector. The byte vector is
- * automatically enlarged if necessary.
- *
- * @param b a byte.
- * @param s a short.
- * @return this byte vector.
- */
- ByteVector put12(final int b, final int s) {
- int length = this.length;
- if (length + 3 > data.length) {
- enlarge(3);
- }
- byte[] data = this.data;
- data[length++] = (byte) b;
- data[length++] = (byte) (s >>> 8);
- data[length++] = (byte) s;
- this.length = length;
- return this;
- }
-
- /**
- * Puts an int into this byte vector. The byte vector is automatically
- * enlarged if necessary.
- *
- * @param i an int.
- * @return this byte vector.
- */
- public ByteVector putInt(final int i) {
- int length = this.length;
- if (length + 4 > data.length) {
- enlarge(4);
- }
- byte[] data = this.data;
- data[length++] = (byte) (i >>> 24);
- data[length++] = (byte) (i >>> 16);
- data[length++] = (byte) (i >>> 8);
- data[length++] = (byte) i;
- this.length = length;
- return this;
- }
-
- /**
- * Puts a long into this byte vector. The byte vector is automatically
- * enlarged if necessary.
- *
- * @param l a long.
- * @return this byte vector.
- */
- public ByteVector putLong(final long l) {
- int length = this.length;
- if (length + 8 > data.length) {
- enlarge(8);
- }
- byte[] data = this.data;
- int i = (int) (l >>> 32);
- data[length++] = (byte) (i >>> 24);
- data[length++] = (byte) (i >>> 16);
- data[length++] = (byte) (i >>> 8);
- data[length++] = (byte) i;
- i = (int) l;
- data[length++] = (byte) (i >>> 24);
- data[length++] = (byte) (i >>> 16);
- data[length++] = (byte) (i >>> 8);
- data[length++] = (byte) i;
- this.length = length;
- return this;
- }
-
- /**
- * Puts an UTF8 string into this byte vector. The byte vector is
- * automatically enlarged if necessary.
- *
- * @param s a String.
- * @return this byte vector.
- */
- public ByteVector putUTF8(final String s) {
- int charLength = s.length();
- int len = length;
- if (len + 2 + charLength > data.length) {
- enlarge(2 + charLength);
- }
- byte[] data = this.data;
- // optimistic algorithm: instead of computing the byte length and then
- // serializing the string (which requires two loops), we assume the byte
- // length is equal to char length (which is the most frequent case), and
- // we start serializing the string right away. During the serialization,
- // if we find that this assumption is wrong, we continue with the
- // general method.
- data[len++] = (byte) (charLength >>> 8);
- data[len++] = (byte) charLength;
- for (int i = 0; i < charLength; ++i) {
- char c = s.charAt(i);
- if (c >= '\001' && c <= '\177') {
- data[len++] = (byte) c;
- } else {
- int byteLength = i;
- for (int j = i; j < charLength; ++j) {
- c = s.charAt(j);
- if (c >= '\001' && c <= '\177') {
- byteLength++;
- } else if (c > '\u07FF') {
- byteLength += 3;
- } else {
- byteLength += 2;
- }
- }
- data[length] = (byte) (byteLength >>> 8);
- data[length + 1] = (byte) byteLength;
- if (length + 2 + byteLength > data.length) {
- length = len;
- enlarge(2 + byteLength);
- data = this.data;
- }
- for (int j = i; j < charLength; ++j) {
- c = s.charAt(j);
- if (c >= '\001' && c <= '\177') {
- data[len++] = (byte) c;
- } else if (c > '\u07FF') {
- data[len++] = (byte) (0xE0 | c >> 12 & 0xF);
- data[len++] = (byte) (0x80 | c >> 6 & 0x3F);
- data[len++] = (byte) (0x80 | c & 0x3F);
- } else {
- data[len++] = (byte) (0xC0 | c >> 6 & 0x1F);
- data[len++] = (byte) (0x80 | c & 0x3F);
- }
- }
- break;
- }
- }
- length = len;
- return this;
- }
-
- /**
- * Puts an array of bytes into this byte vector. The byte vector is
- * automatically enlarged if necessary.
- *
- * @param b an array of bytes. May be <tt>null</tt> to put <tt>len</tt>
- * null bytes into this byte vector.
- * @param off index of the fist byte of b that must be copied.
- * @param len number of bytes of b that must be copied.
- * @return this byte vector.
- */
- public ByteVector putByteArray(final byte[] b, final int off, final int len)
- {
- if (length + len > data.length) {
- enlarge(len);
- }
- if (b != null) {
- System.arraycopy(b, off, data, length, len);
- }
- length += len;
- return this;
- }
-
- /**
- * Enlarge this byte vector so that it can receive n more bytes.
- *
- * @param size number of additional bytes that this byte vector should be
- * able to receive.
- */
- private void enlarge(final int size) {
- int length1 = 2 * data.length;
- int length2 = length + size;
- byte[] newData = new byte[length1 > length2 ? length1 : length2];
- System.arraycopy(data, 0, newData, 0, length);
- data = newData;
- }
-}
View
121 src/asm/java/org/objectweb/asm/ClassAdapter.java
@@ -1,121 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-/**
- * An empty {@link ClassVisitor} that delegates to another {@link ClassVisitor}.
- * This class can be used as a super class to quickly implement usefull class
- * adapter classes, just by overriding the necessary methods.
- *
- * @author Eric Bruneton
- */
-public class ClassAdapter implements ClassVisitor {
-
- /**
- * The {@link ClassVisitor} to which this adapter delegates calls.
- */
- protected ClassVisitor cv;
-
- /**
- * Constructs a new {@link ClassAdapter} object.
- *
- * @param cv the class visitor to which this adapter must delegate calls.
- */
- public ClassAdapter(final ClassVisitor cv) {
- this.cv = cv;
- }
-
- public void visit(
- final int version,
- final int access,
- final String name,
- final String signature,
- final String superName,
- final String[] interfaces)
- {
- cv.visit(version, access, name, signature, superName, interfaces);
- }
-
- public void visitSource(final String source, final String debug) {
- cv.visitSource(source, debug);
- }
-
- public void visitOuterClass(
- final String owner,
- final String name,
- final String desc)
- {
- cv.visitOuterClass(owner, name, desc);
- }
-
- public AnnotationVisitor visitAnnotation(
- final String desc,
- final boolean visible)
- {
- return cv.visitAnnotation(desc, visible);
- }
-
- public void visitAttribute(final Attribute attr) {
- cv.visitAttribute(attr);
- }
-
- public void visitInnerClass(
- final String name,
- final String outerName,
- final String innerName,
- final int access)
- {
- cv.visitInnerClass(name, outerName, innerName, access);
- }
-
- public FieldVisitor visitField(
- final int access,
- final String name,
- final String desc,
- final String signature,
- final Object value)
- {
- return cv.visitField(access, name, desc, signature, value);
- }
-
- public MethodVisitor visitMethod(
- final int access,
- final String name,
- final String desc,
- final String signature,
- final String[] exceptions)
- {
- return cv.visitMethod(access, name, desc, signature, exceptions);
- }
-
- public void visitEnd() {
- cv.visitEnd();
- }
-}
View
2,020 src/asm/java/org/objectweb/asm/ClassReader.java
@@ -1,2020 +0,0 @@
-/***
- * ASM: a very small and fast Java bytecode manipulation framework
- * Copyright (c) 2000-2007 INRIA, France Telecom
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.objectweb.asm;
-
-import java.io.InputStream;
-import java.io.IOException;
-
-/**
- * A Java class parser to make a {@link ClassVisitor} visit an existing class.
- * This class parses a byte array conforming to the Java class file format and
- * calls the appropriate visit methods of a given class visitor for each field,
- * method and bytecode instruction encountered.
- *
- * @author Eric Bruneton
- * @author Eugene Kuleshov
- */
-public class ClassReader {
-
- /**
- * True to enable signatures support.
- */
- static final boolean SIGNATURES = true;
-
- /**
- * True to enable annotations support.
- */
- static final boolean ANNOTATIONS = true;
-
- /**
- * True to enable stack map frames support.
- */
- static final boolean FRAMES = true;
-
- /**
- * True to enable bytecode writing support.
- */
- static final boolean WRITER = true;
-
- /**
- * True to enable JSR_W and GOTO_W support.
- */
- static final boolean RESIZE = true;
-
- /**
- * Flag to skip method code. If this class is set <code>CODE</code>
- * attribute won't be visited. This can be used, for example, to retrieve
- * annotations for methods and method parameters.
- */
- public static final int SKIP_CODE = 1;
-
- /**
- * Flag to skip the debug information in the class. If this flag is set the
- * debug information of the class is not visited, i.e. the
- * {@link MethodVisitor#visitLocalVariable visitLocalVariable} and
- * {@link MethodVisitor#visitLineNumber visitLineNumber} methods will not be
- * called.
- */
- public static final int SKIP_DEBUG = 2;
-
- /**
- * Flag to skip the stack map frames in the class. If this flag is set the
- * stack map frames of the class is not visited, i.e. the
- * {@link MethodVisitor#visitFrame visitFrame} method will not be called.
- * This flag is useful when the {@link ClassWriter#COMPUTE_FRAMES} option is
- * used: it avoids visiting frames that will be ignored and recomputed from
- * scratch in the class writer.
- */
- public static final int SKIP_FRAMES = 4;
-
- /**
- * Flag to expand the stack map frames. By default stack map frames are
- * visited in their original format (i.e. "expanded" for classes whose
- * version is less than V1_6, and "compressed" for the other classes). If
- * this flag is set, stack map frames are always visited in expanded format
- * (this option adds a decompression/recompression step in ClassReader and
- * ClassWriter which degrades performances quite a lot).
- */
- public static final int EXPAND_FRAMES = 8;
-
- /**
- * The class to be parsed. <i>The content of this array must not be
- * modified. This field is intended for {@link Attribute} sub classes, and
- * is normally not needed by class generators or adapters.</i>
- */
- public final byte[] b;
-
- /**
- * The start index of each constant pool item in {@link #b b}, plus one.
- * The one byte offset skips the constant pool item tag that indicates its
- * type.
- */
- private final int[] items;
-
- /**
- * The String objects corresponding to the CONSTANT_Utf8 items. This cache
- * avoids multiple parsing of a given CONSTANT_Utf8 constant pool item,
- * which GREATLY improves performances (by a factor 2 to 3). This caching
- * strategy could be extended to all constant pool items, but its benefit
- * would not be so great for these items (because they are much less
- * expensive to parse than CONSTANT_Utf8 items).
- */
- private final String[] strings;
-
- /**
- * Maximum length of the strings contained in the constant pool of the
- * class.
- */
- private final int maxStringLength;
-
- /**
- * Start index of the class header information (access, name...) in
- * {@link #b b}.
- */
- public final int header;
-
- // ------------------------------------------------------------------------
- // Constructors
- // ------------------------------------------------------------------------
-
- /**
- * Constructs a new {@link ClassReader} object.
- *
- * @param b the bytecode of the class to be read.
- */
- public ClassReader(final byte[] b) {
- this(b, 0, b.length);
- }
-
- /**
- * Constructs a new {@link ClassReader} object.
- *
- * @param b the bytecode of the class to be read.
- * @param off the start offset of the class data.
- * @param len the length of the class data.
- */
- public ClassReader(final byte[] b, final int off, final int len) {
- this.b = b;
- // parses the constant pool
- items = new int[readUnsignedShort(off + 8)];
- int n = items.length;
- strings = new String[n];
- int max = 0;
- int index = off + 10;
- for (int i = 1; i < n; ++i) {
- items[i] = index + 1;
- int size;
- switch (b[index]) {
- case ClassWriter.FIELD:
- case ClassWriter.METH:
- case ClassWriter.IMETH:
- case ClassWriter.INT:
- case ClassWriter.FLOAT:
- case ClassWriter.NAME_TYPE:
- size = 5;
- break;
- case ClassWriter.LONG:
- case ClassWriter.DOUBLE:
- size = 9;
- ++i;
- break;
- case ClassWriter.UTF8:
- size = 3 + readUnsignedShort(index + 1);
- if (size > max) {
- max = size;
- }
- break;
- // case ClassWriter.CLASS:
- // case ClassWriter.STR:
- default:
- size = 3;
- break;
- }
- index += size;
- }
- maxStringLength = max;
- // the class header information starts just after the constant pool
- header = index;
- }
-
- /**
- * Returns the class's access flags (see {@link Opcodes}). This value may
- * not reflect Deprecated and Synthetic flags when bytecode is before 1.5
- * and those flags are represented by attributes.
- *
- * @return the class access flags
- *
- * @see ClassVisitor#visit(int, int, String, String, String, String[])
- */
- public int getAccess() {
- return readUnsignedShort(header);
- }
-
- /**
- * Returns the internal name of the class (see
- * {@link Type#getInternalName() getInternalName}).
- *
- * @return the internal class name
- *
- * @see ClassVisitor#visit(int, int, String, String, String, String[])
- */
- public String getClassName() {
- return readClass(header + 2, new char[maxStringLength]);
- }
-
- /**
- * Returns the internal of name of the super class (see
- * {@link Type#getInternalName() getInternalName}). For interfaces, the
- * super class is {@link Object}.
- *
- * @return the internal name of super class, or <tt>null</tt> for
- * {@link Object} class.
- *
- * @see ClassVisitor#visit(int, int, String, String, String, String[])
- */
- public String getSuperName() {
- int n = items[readUnsignedShort(header + 4)];
- return n == 0 ? null : readUTF8(n, new char[maxStringLength]);
- }
-
- /**
- * Returns the internal names of the class's interfaces (see
- * {@link Type#getInternalName() getInternalName}).
- *
- * @return the array of internal names for all implemented interfaces or
- * <tt>null</tt>.
- *
- * @see ClassVisitor#visit(int, int, String, String, String, String[])
- */
- public String[] getInterfaces() {
- int index = header + 6;
- int n = readUnsignedShort(index);
- String[] interfaces = new String[n];
- if (n > 0) {
- char[] buf = new char[maxStringLength];
- for (int i = 0; i < n; ++i) {
- index += 2;
- interfaces[i] = readClass(index, buf);
- }
- }
- return interfaces;
- }
-
- /**
- * Copies the constant pool data into the given {@link ClassWriter}. Should
- * be called before the {@link #accept(ClassVisitor,int)} method.
- *
- * @param classWriter the {@link ClassWriter} to copy constant pool into.
- */
- void copyPool(final ClassWriter classWriter) {
- char[] buf = new char[maxStringLength];
- int ll = items.length;
- Item[] items2 = new Item[ll];
- for (int i = 1; i < ll; i++) {
- int index = items[i];
- int tag = b[index - 1];
- Item item = new Item(i);
- int nameType;
- switch (tag) {
- case ClassWriter.FIELD:
- case ClassWriter.METH:
- case ClassWriter.IMETH:
- nameType = items[readUnsignedShort(index + 2)];
- item.set(tag,
- readClass(index, buf),
- readUTF8(nameType, buf),
- readUTF8(nameType + 2, buf));
- break;
-
- case ClassWriter.INT:
- item.set(readInt(index));
- break;
-
- case ClassWriter.FLOAT:
- item.set(Float.intBitsToFloat(readInt(index)));
- break;
-
- case ClassWriter.NAME_TYPE:
- item.set(tag,
- readUTF8(index, buf),
- readUTF8(index + 2, buf),
- null);
- break;
-
- case ClassWriter.LONG:
- item.set(readLong(index));
- ++i;
- break;
-
- case ClassWriter.DOUBLE:
- item.set(Double.longBitsToDouble(readLong(index)));
- ++i;
- break;
-
- case ClassWriter.UTF8: {
- String s = strings[i];
- if (s == null) {
- index = items[i];
- s = strings[i] = readUTF(index + 2,
- readUnsignedShort(index),
- buf);
- }
- item.set(tag, s, null, null);
- }
- break;
-
- // case ClassWriter.STR:
- // case ClassWriter.CLASS:
- default:
- item.set(tag, readUTF8(index, buf), null, null);
- break;
- }
-
- int index2 = item.hashCode % items2.length;
- item.next = items2[index2];
- items2[index2] = item;
- }
-
- int off = items[1] - 1;
- classWriter.pool.putByteArray(b, off, header - off);
- classWriter.items = items2;
- classWriter.threshold = (int) (0.75d * ll);
- classWriter.index = ll;
- }
-
- /**
- * Constructs a new {@link ClassReader} object.
- *
- * @param is an input stream from which to read the class.
- * @throws IOException if a problem occurs during reading.
- */
- public ClassReader(final InputStream is) throws IOException {
- this(readClass(is));
- }
-
- /**
- * Constructs a new {@link ClassReader} object.
- *
- * @param name the fully qualified name of the class to be read.
- * @throws IOException if an exception occurs during reading.
- */
- public ClassReader(final String name) throws IOException {
- this(ClassLoader.getSystemResourceAsStream(name.replace('.', '/')
- + ".class"));
- }
-
- /**
- * Reads the bytecode of a class.
- *
- * @param is an input stream from which to read the class.
- * @return the bytecode read from the given input stream.
- * @throws IOException if a problem occurs during reading.
- */
- private static byte[] readClass(final InputStream is) throws IOException {
- if (is == null) {
- throw new IOException("Class not found");
- }
- byte[] b = new byte[is.available()];
- int len = 0;
- while (true) {
- int n = is.read(b, len, b.length - len);
- if (n == -1) {
- if (len < b.length) {
- byte[] c = new byte[len];
- System.arraycopy(b, 0, c, 0, len);
- b = c;
- }
- return b;
- }
- len += n;
- if (len == b.length) {
- int last = is.read();
- if (last < 0) {
- return b;
- }
- byte[] c = new byte[b.length + 1000];
- System.arraycopy(b, 0, c, 0, len);
- c[len++] = (byte) last;
- b = c;
- }
- }
- }
-
- // ------------------------------------------------------------------------
- // Public methods
- // ------------------------------------------------------------------------
-
- /**
- * Makes the given visitor visit the Java class of this {@link ClassReader}.
- * This class is the one specified in the constructor (see
- * {@link #ClassReader(byte[]) ClassReader}).
- *
- * @param classVisitor the visitor that must visit this class.
- * @param flags option flags that can be used to modify the default behavior
- * of this class. See {@link #SKIP_DEBUG}, {@link #EXPAND_FRAMES},
- * {@link #SKIP_FRAMES}, {@link #SKIP_CODE}.
- */
- public void accept(final ClassVisitor classVisitor, final int flags) {
- accept(classVisitor, new Attribute[0], flags);
- }
-
- /**
- * Makes the given visitor visit the Java class of this {@link ClassReader}.
- * This class is the one specified in the constructor (see
- * {@link #ClassReader(byte[]) ClassReader}).
- *
- * @param classVisitor the visitor that must visit this class.
- * @param attrs prototypes of the attributes that must be parsed during the
- * visit of the class. Any attribute whose type is not equal to the
- * type of one the prototypes will not be parsed: its byte array
- * value will be passed unchanged to the ClassWriter. <i>This may
- * corrupt it if this value contains references to the constant pool,
- * or has syntactic or semantic links with a class element that has
- * been transformed by a class adapter between the reader and the
- * writer</i>.
- * @param flags option flags that can be used to modify the default behavior
- * of this class. See {@link #SKIP_DEBUG}, {@link #EXPAND_FRAMES},
- * {@link #SKIP_FRAMES}, {@link #SKIP_CODE}.
- */
- public void accept(
- final ClassVisitor classVisitor,
- final Attribute[] attrs,
- final int flags)
- {
- byte[] b = this.b; // the bytecode array
- char[] c = new char[maxStringLength]; // buffer used to read strings
- int i, j, k; // loop variables
- int u, v, w; // indexes in b
- Attribute attr;
-
- int access;
- String name;
- String desc;
- String attrName;
- String signature;
- int anns = 0;
- int ianns = 0;
- Attribute cattrs = null;
-
- // visits the header
- u = header;
- access = readUnsignedShort(u);
- name = readClass(u + 2, c);
- v = items[readUnsignedShort(u + 4)];
- String superClassName = v == 0 ? null : readUTF8(v, c);
- String[] implementedItfs = new String[readUnsignedShort(u + 6)];
- w = 0;
- u += 8;
- for (i = 0; i < implementedItfs.length; ++i) {
- implementedItfs[i] = readClass(u, c);
- u += 2;
- }
-
- boolean skipCode = (flags & SKIP_CODE) != 0;
- boolean skipDebug = (flags & SKIP_DEBUG) != 0;
- boolean unzip = (flags & EXPAND_FRAMES) != 0;
-
- // skips fields and methods
- v = u;
- i = readUnsignedShort(v);
- v += 2;
- for (; i > 0; --i) {
- j = readUnsignedShort(v + 6);
- v += 8;
- for (; j > 0; --j) {
- v += 6 + readInt(v + 2);
- }
- }
- i = readUnsignedShort(v);
- v += 2;
- for (; i > 0; --i) {
- j = readUnsignedShort(v + 6);
- v += 8;
- for (; j > 0; --j) {
- v += 6 + readInt(v + 2);
- }
- }
- // reads the class's attributes
- signature = null;
- String sourceFile = null;
- String sourceDebug = null;
- String enclosingOwner = null;
- String enclosingName = null;
- String enclosingDesc = null;
-
- i = readUnsignedShort(v);
- v += 2;
- for (; i > 0; --i) {
- attrName = readUTF8(v, c);
- // tests are sorted in decreasing frequency order
- // (based on frequencies observed on typical classes)
- if ("SourceFile".equals(attrName)) {
- sourceFile = readUTF8(v + 6, c);
- } else if ("InnerClasses".equals(attrName)) {
- w = v + 6;
- } else if ("EnclosingMethod".equals(attrName)) {
- enclosingOwner = readClass(v + 6, c);
- int item = readUnsignedShort(v + 8);
- if (item != 0) {
- enclosingName = readUTF8(items[item], c);
- enclosingDesc = readUTF8(items[item] + 2, c);
- }
- } else if (SIGNATURES && "Signature".equals(attrName)) {
- signature = readUTF8(v + 6, c);
- } else if (ANNOTATIONS && "RuntimeVisibleAnnotations".equals(attrName)) {
- anns = v + 6;
- } else if ("Deprecated".equals(attrName)) {
- access |= Opcodes.ACC_DEPRECATED;
- } else if ("Synthetic".equals(attrName)) {
- access |= Opcodes.ACC_SYNTHETIC;
- } else if ("SourceDebugExtension".equals(attrName)) {
- int len = readInt(v + 2);
- sourceDebug = readUTF(v + 6, len, new char[len]);
- } else if (ANNOTATIONS && "RuntimeInvisibleAnnotations".equals(attrName)) {
- ianns = v + 6;
- } else {
- attr = readAttribute(attrs,
- attrName,
- v + 6,
- readInt(v + 2),
- c,
- -1,
- null);
- if (attr != null) {
- attr.next = cattrs;
- cattrs = attr;
- }
- }
- v += 6 + readInt(v + 2);
- }
- // calls the visit method
- classVisitor.visit(readInt(4),
- access,
- name,
- signature,
- superClassName,
- implementedItfs);
-
- // calls the visitSource method
- if (!skipDebug && (sourceFile != null || sourceDebug != null)) {
- classVisitor.visitSource(sourceFile, sourceDebug);
- }
-
- // calls the visitOuterClass method
- if (enclosingOwner != null) {
- classVisitor.visitOuterClass(enclosingOwner,
- enclosingName,
- enclosingDesc);
- }
-
- // visits the class annotations
- if (ANNOTATIONS) {
- for (i = 1; i >= 0; --i) {
- v = i == 0 ? ianns : anns;
- if (v != 0) {
- j = readUnsignedShort(v);
- v += 2;
- for (; j > 0; --j) {
- v = readAnnotationValues(v + 2,
- c,
- true,
- classVisitor.visitAnnotation(readUTF8(v, c), i != 0));
- }
- }
- }
- }
-
- // visits the class attributes
- while (cattrs != null) {
- attr = cattrs.next;
- cattrs.next = null;
- classVisitor.visitAttribute(cattrs);
- cattrs = attr;
- }
-
- // calls the visitInnerClass method
- if (w != 0) {
- i = readUnsignedShort(w);
- w += 2;
- for (; i > 0; --i) {
- classVisitor.visitInnerClass(readUnsignedShort(w) == 0
- ? null
- : readClass(w, c), readUnsignedShort(w + 2) == 0
- ? null
- : readClass(w + 2, c), readUnsignedShort(w + 4) == 0
- ? null
- : readUTF8(w + 4, c), readUnsignedShort(w + 6));
- w += 8;
- }
- }
-
- // visits the fields
- i = readUnsignedShort(u);
- u += 2;
- for (; i > 0; --i) {
- access = readUnsignedShort(u);
- name = readUTF8(u + 2, c);
- desc = readUTF8(u + 4, c);
- // visits the field's attributes and looks for a ConstantValue
- // attribute
- int fieldValueItem = 0;
- signature = null;
- anns = 0;
- ianns = 0;
- cattrs = null;
-
- j = readUnsignedShort(u + 6);
- u += 8;
- for (; j > 0; --j) {
- attrName = readUTF8(u, c);
- // tests are sorted in decreasing frequency order
- // (based on frequencies observed on typical classes)
- if ("ConstantValue".equals(attrName)) {
- fieldValueItem = readUnsignedShort(u + 6);
- } else if (SIGNATURES && "Signature".equals(attrName)) {
- signature = readUTF8(u + 6, c);
- } else if ("Deprecated".equals(attrName)) {
- access |= Opcodes.ACC_DEPRECATED;
- } else if ("Synthetic".equals(attrName)) {
- access |= Opcodes.ACC_SYNTHETIC;
- } else if (ANNOTATIONS && "RuntimeVisibleAnnotations".equals(attrName)) {
- anns = u + 6;
- } else if (ANNOTATIONS && "RuntimeInvisibleAnnotations".equals(attrName)) {
- ianns = u + 6;
- } else {
- attr = readAttribute(attrs,
- attrName,
- u + 6,
- readInt(u + 2),
- c,
- -1,
- null);
- if (attr != null) {
- attr.next = cattrs;
- cattrs = attr;
- }
- }
- u += 6 + readInt(u + 2);
- }
- // visits the field
- FieldVisitor fv = classVisitor.visitField(access,
- name,
- desc,
- signature,
- fieldValueItem == 0 ? null : readConst(fieldValueItem, c));
- // visits the field annotations and attributes
- if (fv != null) {
- if (ANNOTATIONS) {
- for (j = 1; j >= 0; --j) {
- v = j == 0 ? ianns : anns;
- if (v != 0) {
- k = readUnsignedShort(v);
- v += 2;
- for (; k > 0; --k) {
- v = readAnnotationValues(v + 2,
- c,
- true,
- fv.visitAnnotation(readUTF8(v, c), j != 0));
- }
- }
- }
- }
- while (cattrs != null) {
- attr = cattrs.next;
- cattrs.next = null;
- fv.visitAttribute(cattrs);
- cattrs = attr;
- }
- fv.visitEnd();
- }
- }
-
- // visits the methods
- i = readUnsignedShort(u);
- u += 2;
- for (; i > 0; --i) {
- int u0 = u + 6;
- access = readUnsignedShort(u);
- name = readUTF8(u + 2, c);
- desc = readUTF8(u + 4, c);
- signature = null;
- anns = 0;
- ianns = 0;
- int dann = 0;
- int mpanns = 0;
- int impanns = 0;
- cattrs = null;
- v = 0;
- w = 0;
-
- // looks for Code and Exceptions attributes
- j = readUnsignedShort(u + 6);
- u += 8;
- for (; j > 0; --j) {
- attrName = readUTF8(u, c);
- int attrSize = readInt(u + 2);
- u += 6;
- // tests are sorted in decreasing frequency order
- // (based on frequencies observed on typical classes)
- if ("Code".equals(attrName)) {
- if (!skipCode) {
- v = u;
- }
- } else if ("Exceptions".equals(attrName)) {
- w = u;
- } else if (SIGNATURES && "Signature".equals(attrName)) {
- signature = readUTF8(u, c);
- } else if ("Deprecated".equals(attrName)) {
- access |= Opcodes.ACC_DEPRECATED;
- } else if (ANNOTATIONS && "RuntimeVisibleAnnotations".equals(attrName)) {
- anns = u;
- } else if (ANNOTATIONS && "AnnotationDefault".equals(attrName)) {
- dann = u;
- } else if ("Synthetic".equals(attrName)) {
- access |= Opcodes.ACC_SYNTHETIC;
- } else if (ANNOTATIONS && "RuntimeInvisibleAnnotations".equals(attrName)) {
- ianns = u;
- } else if (ANNOTATIONS && "RuntimeVisibleParameterAnnotations".equals(attrName))
- {
- mpanns = u;
- } else if (ANNOTATIONS && "RuntimeInvisibleParameterAnnotations".equals(attrName))
- {
- impanns = u;
- } else {
- attr = readAttribute(attrs,
- attrName,
- u,
- attrSize,
- c,
- -1,
- null);
- if (attr != null) {
- attr.next = cattrs;
- cattrs = attr;
- }
- }
- u += attrSize;
- }
- // reads declared exceptions
- String[] exceptions;
- if (w == 0) {
- exceptions = null;
- } else {
- exceptions = new String[readUnsignedShort(w)];
- w += 2;
- for (j = 0; j < exceptions.length; ++j) {
- exceptions[j] = readClass(w, c);
- w += 2;
- }
- }
-
- // visits the method's code, if any
- MethodVisitor mv = classVisitor.visitMethod(access,
- name,
- desc,
- signature,
- exceptions);
-
- if (mv != null) {
- /*
- * if the returned MethodVisitor is in fact a MethodWriter, it
- * means there is no method adapter between the reader and the
- * writer. If, in addition, the writer's constant pool was
- * copied from this reader (mw.cw.cr == this), and the signature
- * and exceptions of the method have not been changed, then it
- * is possible to skip all visit events and just copy the
- * original code of the method to the writer (the access, name
- * and descriptor can have been changed, this is not important
- * since they are not copied as is from the reader).
- */
- if (WRITER && mv instanceof MethodWriter) {
- MethodWriter mw = (MethodWriter) mv;
- if (mw.cw.cr == this) {
- if (signature == mw.signature) {
- boolean sameExceptions = false;
- if (exceptions == null) {
- sameExceptions = mw.exceptionCount == 0;
- } else {
- if (exceptions.length == mw.exceptionCount) {
- sameExceptions = true;
- for (j = exceptions.length - 1; j >= 0; --j)
- {
- w -= 2;
- if (mw.exceptions[j] != readUnsignedShort(w))
- {
- sameExceptions = false;
- break;
- }
- }
- }
- }
- if (sameExceptions) {
- /*
- * we do not copy directly the code into
- * MethodWriter to save a byte array copy
- * operation. The real copy will be done in
- * ClassWriter.toByteArray().
- */
- mw.classReaderOffset = u0;
- mw.classReaderLength = u - u0;
- continue;
- }
- }
- }
- }
-
- if (ANNOTATIONS && dann != 0) {
- AnnotationVisitor dv = mv.visitAnnotationDefault();
- readAnnotationValue(dann, c, null, dv);
- if (dv != null) {
- dv.visitEnd();
- }
- }
- if (ANNOTATIONS) {
- for (j = 1; j >= 0; --j) {
- w = j == 0 ? ianns : anns;
- if (w != 0) {
- k = readUnsignedShort(w);
- w += 2;
- for (; k > 0; --k) {
- w = readAnnotationValues(w + 2,
- c,
- true,
- mv.visitAnnotation(readUTF8(w, c), j != 0));
- }
- }
- }
- }
- if (ANNOTATIONS && mpanns != 0) {
- readParameterAnnotations(mpanns, desc, c, true, mv);
- }
- if (ANNOTATIONS && impanns != 0) {
- readParameterAnnotations(impanns, desc, c, false, mv);
- }
- while (cattrs != null) {
- attr = cattrs.next;
- cattrs.next = null;
- mv.visitAttribute(cattrs);
- cattrs = attr;
- }
- }
-
- if (mv != null && v != 0) {
- int maxStack = readUnsignedShort(v);
- int maxLocals = readUnsignedShort(v + 2);
- int codeLength = readInt(v + 4);
- v += 8;
-
- int codeStart = v;
- int codeEnd = v + codeLength;
-
- mv.visitCode();
-
- // 1st phase: finds the labels
- int label;
- Label[] labels = new Label[codeLength + 2];
- readLabel(codeLength + 1, labels);
- while (v < codeEnd) {
- w = v - codeStart;
- int opcode = b[v] & 0xFF;
- switch (ClassWriter.TYPE[opcode]) {
- case ClassWriter.NOARG_INSN:
- case ClassWriter.IMPLVAR_INSN:
- v += 1;
- break;
- case ClassWriter.LABEL_INSN:
- readLabel(w + readShort(v + 1), labels);
- v += 3;
- break;
- case ClassWriter.LABELW_INSN:
- readLabel(w + readInt(v + 1), labels);
- v += 5;
- break;
- case ClassWriter.WIDE_INSN:
- opcode = b[v + 1] & 0xFF;
- if (opcode == Opcodes.IINC) {
- v += 6;
- } else {
- v += 4;
- }
- break;
- case ClassWriter.TABL_INSN:
- // skips 0 to 3 padding bytes*
- v = v + 4 - (w & 3);
- // reads instruction
- readLabel(w + readInt(v), labels);
- j = readInt(v + 8) - readInt(v + 4) + 1;
- v += 12;
- for (; j > 0; --j) {
- readLabel(w + readInt(v), labels);
- v += 4;
- }
- break;
- case ClassWriter.LOOK_INSN:
- // skips 0 to 3 padding bytes*
- v = v + 4 - (w & 3);
- // reads instruction
- readLabel(w + readInt(v), labels);
- j = readInt(v + 4);
- v += 8;
- for (; j > 0; --j) {
- readLabel(w + readInt(v + 4), labels);
- v += 8;
- }
- break;
- case ClassWriter.VAR_INSN:
- case ClassWriter.SBYTE_INSN:
- case ClassWriter.LDC_INSN:
- v += 2;
- break;
- case ClassWriter.SHORT_INSN:
- case ClassWriter.LDCW_INSN:
- case ClassWriter.FIELDORMETH_INSN:
- case ClassWriter.TYPE_INSN:
- case ClassWriter.IINC_INSN:
- v += 3;
- break;
- case ClassWriter.ITFDYNMETH_INSN:
- v += 5;
- break;
- // case MANA_INSN:
- default:
- v += 4;
- break;
- }
- }
- // parses the try catch entries
- j = readUnsignedShort(v);
- v += 2;
- for (; j > 0; --j) {
- Label start = readLabel(readUnsignedShort(v), labels);
- Label end = readLabel(readUnsignedShort(v + 2), labels);
- Label handler = readLabel(readUnsignedShort(v + 4), labels);
- int type = readUnsignedShort(v + 6);
- if (type == 0) {
- mv.visitTryCatchBlock(start, end, handler, null);
- } else {
- mv.visitTryCatchBlock(start,
- end,
- handler,
- readUTF8(items[type], c));
- }
- v += 8;
- }
- // parses the local variable, line number tables, and code
- // attributes
- int varTable = 0;
- int varTypeTable = 0;
- int stackMap = 0;
- int frameCount = 0;
- int frameMode = 0;
- int frameOffset = 0;
- int frameLocalCount = 0;
- int frameLocalDiff = 0;
- int frameStackCount = 0;
- Object[] frameLocal = null;
- Object[] frameStack = null;
- boolean zip = true;
- cattrs = null;
- j = readUnsignedShort(v);
- v += 2;
- for (; j > 0; --j) {
- attrName = readUTF8(v, c);
- if ("LocalVariableTable".equals(attrName)) {
- if (!skipDebug) {
- varTable = v + 6;
- k = readUnsignedShort(v + 6);
- w = v + 8;
- for (; k > 0; --k) {
- label = readUnsignedShort(w);
- if (labels[label] == null) {
- readLabel(label, labels).status |= Label.DEBUG;
- }
- label += readUnsignedShort(w + 2);
- if (labels[label] == null) {
- readLabel(label, labels).status |= Label.DEBUG;
- }
- w += 10;
- }
- }
- } else if ("LocalVariableTypeTable".equals(attrName)) {
- varTypeTable = v + 6;
- } else if ("LineNumberTable".equals(attrName)) {
- if (!skipDebug) {
- k = readUnsignedShort(v + 6);
- w = v + 8;
- for (; k > 0; --k) {
- label = readUnsignedShort(w);
- if (labels[label] == null) {
- readLabel(label, labels).status |= Label.DEBUG;
- }
- labels[label].line = readUnsignedShort(w + 2);
- w += 4;
- }
- }
- } else if (FRAMES && "StackMapTable".equals(attrName)) {
- if ((flags & SKIP_FRAMES) == 0) {
- stackMap = v + 8;
- frameCount = readUnsignedShort(v + 6);
- }
- /*
- * here we do not extract the labels corresponding to
- * the attribute content. This would require a full
- * parsing of the attribute, which would need to be
- * repeated in the second phase (see below). Instead the
- * content of the attribute is read one frame at a time
- * (i.e. after a frame has been visited, the next frame
- * is read), and the labels it contains are also
- * extracted one frame at a time. Thanks to the ordering
- * of frames, having only a "one frame lookahead" is not
- * a problem, i.e. it is not possible to see an offset
- * smaller than the offset of the current insn and for
- * which no Label exist.
- */
- // TODO true for frame offsets,
- // but for UNINITIALIZED type offsets?
- } else if (FRAMES && "StackMap".equals(attrName)) {
- if ((flags & SKIP_FRAMES) == 0) {
- stackMap = v + 8;
- frameCount = readUnsignedShort(v + 6);
- zip = false;
- }
- /*
- * IMPORTANT! here we assume that the frames are
- * ordered, as in the StackMapTable attribute, although
- * this is not guaranteed by the attribute format.
- */
- } else {
- for (k = 0; k < attrs.length; ++k) {
- if (attrs[k].type.equals(attrName)) {
- attr = attrs[k].read(this,
- v + 6,
- readInt(v + 2),
- c,
- codeStart - 8,
- labels);
- if (attr != null) {
- attr.next = cattrs;
- cattrs = attr;
- }
- }
- }
- }
- v += 6 + readInt(v + 2);
- }
-
- // 2nd phase: visits each instruction
- if (FRAMES && stackMap != 0) {
- // creates the very first (implicit) frame from the method
- // descriptor
- frameLocal = new Object[maxLocals];
- frameStack = new Object[maxStack];
- if (unzip) {
- int local = 0;
- if ((access & Opcodes.ACC_STATIC) == 0) {
- if ("<init>".equals(name)) {
- frameLocal[local++] = Opcodes.UNINITIALIZED_THIS;
- } else {
- frameLocal[local++] = readClass(header + 2, c);
- }
- }
- j = 1;
- loop: while (true) {
- k = j;
- switch (desc.charAt(j++)) {
- case 'Z':
- case 'C':
- case 'B':
- case 'S':
- case 'I':
- frameLocal[local++] = Opcodes.INTEGER;
- break;
- case 'F':
- frameLocal[local++] = Opcodes.FLOAT;
- break;
- case 'J':
- frameLocal[local++] = Opcodes.LONG;
- break;
- case 'D':
- frameLocal[local++] = Opcodes.DOUBLE;
- break;
- case '[':
- while (desc.charAt(j) == '[') {
- ++j;
- }
- if (desc.charAt(j) == 'L') {
- ++j;
- while (desc.charAt(j) != ';') {
- ++j;
- }
- }
- frameLocal[local++] = desc.substring(k, ++j);
- break;
- case 'L':
- while (desc.charAt(j) != ';') {
- ++j;
- }