My spidey sense would guess that you set the breakpoint in the Browser
process, when V8 and WebKit run in the Renderer process.

Good luck
-- dean

2009/5/29 Lucius Fox <[email protected]>:
>
> Thank you.
>
> I tried your suggestion on XCode on MacOS. But it still does not break for me.
>
> I set a break point at:
>
> Local<Script> Script::Compile(v8::Handle<String> source,
>                              v8::ScriptOrigin* origin,
>                              v8::ScriptData* script_data) {
>  ON_BAILOUT("v8::Script::Compile()", return Local<Script>());
>  LOG_API("Script::Compile");
>  ENTER_V8;
>  i::Handle<i::String> str = Utils::OpenHandle(*source);
>  i::Handle<i::Object> name_obj;
>  int line_offset = 0;
>  int column_offset = 0;
> /* Set my break point in the line below */
>  if (origin != NULL) {
>
> Here is how I set my breakpoint:
> 1. I open the build/all.xcodeproj
> 2. click open the test_shell.xcodeproj
> 3. click open the v8.xcodeproject
> 4. open api.cc
> 5. set breakpoint in the location I mentioned above
> 6. go to test_shell.xcodeproj and click 'Build and Go(Debug)'
> 7. load an url, (e.g. www.yahoo.com)
>
> The site gets loaded, but the break point never breaks.
>
> I appreciate if anyone can help me with this.
>
> Thank you.
>
>
> 2009/5/27 Søren Gjesse <[email protected]>:
>> Hi,
>>
>> There must be something wrong with your setting of break points. There is
>> only on way of getting JavaScript code into V8 from a client application,
>> and that is through the static method v8::Script::Compile in the public API.
>> This method is defined in api.cc where it in turn calls
>> v8::internal:Compiler::Complie defined in compiler.cc. All the adding of
>> code to V8 from Chromium is handled in v8_proxy.cpp.
>>
>> Code added from within JavaScript through the use of eval will be handled by
>> v8::internal:Compiler::ComplieEval.
>>
>> Note that if you are using Chromium for this you need to take the
>> multiprocess architecture into account either by using the --single-process
>> switch to turn it off or by attaching to the process you will actually like
>> to debug.
>>
>> Regards,
>> Søren
>>
>> On Thu, May 28, 2009 at 07:52, Lucius Fox <[email protected]> wrote:
>>>
>>> Hi,
>>>
>>> i am trying to understand how chromium passes JS script node/JS file
>>> to v8 engine for execution.
>>> So i setup breakpoints in Xcode with test)shell xcode project opened:
>>> Compiler::Compile
>>> Compiler::CompileEval
>>> Compiler::CompileLazy
>>>
>>> And then I 'build and go (debug)' to get a TestShell. It did start up
>>> the TestShell, and it did break in the initial breakpoint I setup in
>>> test_shell_main.cc. But when I load a page with Javascript for sure,
>>> e.g. www.cnn.con, it never breaks in the Compiler functions that I
>>> mentioned above.
>>>
>>> Can you please tell me how does chromium passes JS script node/JS file
>>> to v8 engine for execution
>>>
>>> >>
>>
>>
>
> >
>

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