diff options
Diffstat (limited to 'src/proguard/classfile/editor/CodeAttributeComposer.java')
| -rw-r--r-- | src/proguard/classfile/editor/CodeAttributeComposer.java | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/src/proguard/classfile/editor/CodeAttributeComposer.java b/src/proguard/classfile/editor/CodeAttributeComposer.java index a645f57..e783203 100644 --- a/src/proguard/classfile/editor/CodeAttributeComposer.java +++ b/src/proguard/classfile/editor/CodeAttributeComposer.java @@ -2,7 +2,7 @@ * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * - * Copyright (c) 2002-2011 Eric Lafortune (eric@graphics.cornell.edu) + * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -29,8 +29,6 @@ import proguard.classfile.instruction.*; import proguard.classfile.instruction.visitor.InstructionVisitor; import proguard.classfile.util.SimplifiedVisitor; -import java.util.Arrays; - /** * This AttributeVisitor accumulates instructions and exceptions, and then * copies them into code attributes that it visits. @@ -51,7 +49,7 @@ implements AttributeVisitor, //* private static final boolean DEBUG = false; /*/ - public static boolean DEBUG = false; + public static boolean DEBUG = true; //*/ @@ -315,7 +313,7 @@ implements AttributeVisitor, int handlerPC = -exceptionInfo.u2handlerPC; if (handlerPC > 0) { - if (remappableExceptionHandler(handlerPC)) + if (remappableInstructionOffset(handlerPC)) { exceptionInfo.u2handlerPC = remapInstructionOffset(handlerPC); } @@ -492,7 +490,7 @@ implements AttributeVisitor, int handlerPC = exceptionInfo.u2handlerPC; exceptionInfo.u2handlerPC = !allowExternalExceptionHandlers || - remappableExceptionHandler(handlerPC) ? + remappableInstructionOffset(handlerPC) ? remapInstructionOffset(handlerPC) : -handlerPC; } @@ -676,21 +674,13 @@ implements AttributeVisitor, /** - * Returns whether the given old exception handler can be remapped in the - * current code fragment. + * Returns whether the given old instruction offset can be remapped at the */ - private boolean remappableExceptionHandler(int oldInstructionOffset) + private boolean remappableInstructionOffset(int oldInstructionOffset) { - if (oldInstructionOffset > codeFragmentLengths[level]) - { - return false; - } - - int newInstructionOffset = - instructionOffsetMap[level][oldInstructionOffset]; - - return newInstructionOffset > INVALID && - newInstructionOffset < codeLength; + return + oldInstructionOffset <= codeFragmentLengths[level] && + instructionOffsetMap[level][oldInstructionOffset] > INVALID; } @@ -713,7 +703,10 @@ implements AttributeVisitor, } // Clear the unused array entries. - Arrays.fill(exceptionInfos, newIndex, exceptionInfoCount, null); + for (int index = newIndex; index < exceptionInfoCount; index++) + { + exceptionInfos[index] = null; + } return newIndex; } @@ -741,7 +734,10 @@ implements AttributeVisitor, } // Clear the unused array entries. - Arrays.fill(lineNumberInfos, newIndex, lineNumberInfoCount, null); + for (int index = newIndex; index < lineNumberInfoCount; index++) + { + lineNumberInfos[index] = null; + } return newIndex; } @@ -768,7 +764,10 @@ implements AttributeVisitor, } // Clear the unused array entries. - Arrays.fill(localVariableInfos, newIndex, localVariableInfoCount, null); + for (int index = newIndex; index < localVariableInfoCount; index++) + { + localVariableInfos[index] = null; + } return newIndex; } @@ -795,7 +794,10 @@ implements AttributeVisitor, } // Clear the unused array entries. - Arrays.fill(localVariableTypeInfos, newIndex, localVariableTypeInfoCount, null); + for (int index = newIndex; index < localVariableTypeInfoCount; index++) + { + localVariableTypeInfos[index] = null; + } return newIndex; } |