Changeset 39252 in webkit for trunk/JavaScriptCore/bytecode/CodeBlock.h

Timestamp:

Dec 12, 2008, 1:31:33 PM (16 years ago)

Author:

[email protected]

Message:

2008-12-12 Sam Weinig <​[email protected]>

Reviewed by Geoffrey Garen.

Change exception information accessors to take offsets into the bytecode
instruction buffer instead of pointers so that they can work even even
if the bytecode buffer is purged.

• bytecode/CodeBlock.cpp: (JSC::instructionOffsetForNth): (JSC::CodeBlock::handlerForBytecodeOffset): (JSC::CodeBlock::lineNumberForBytecodeOffset): (JSC::CodeBlock::expressionRangeForBytecodeOffset):
• bytecode/CodeBlock.h:
• bytecode/SamplingTool.cpp: (JSC::SamplingTool::dump):
• interpreter/Interpreter.cpp: (JSC::Interpreter::throwException): (JSC::Interpreter::privateExecute): (JSC::Interpreter::retrieveLastCaller):
• jit/JIT.cpp: (JSC::JIT::privateCompileMainPass):
• runtime/ExceptionHelpers.cpp: (JSC::createUndefinedVariableError): (JSC::createInvalidParamError): (JSC::createNotAConstructorError): (JSC::createNotAFunctionError): (JSC::createNotAnObjectError):

File:

• trunk/JavaScriptCore/bytecode/CodeBlock.h (modified) (1 diff)

trunk/JavaScriptCore/bytecode/CodeBlock.h

@@ -225 +225 @@
         }
 
-        int expressionRangeForVPC(const Instruction*, int& divot, int& startOffset, int& endOffset);
-        int lineNumberForVPC(const Instruction* vPC);
-        HandlerInfo* handlerForVPC(const Instruction* vPC);
+        HandlerInfo* handlerForBytecodeOffset(unsigned bytecodeOffset);
+        int lineNumberForBytecodeOffset(unsigned bytecodeOffset);
+        int expressionRangeForBytecodeOffset(unsigned bytecodeOffset, int& divot, int& startOffset, int& endOffset);
 
 #if ENABLE(JIT)