Implement Error.stack

Implement Error.stack
https://bugs.webkit.org/show_bug.cgi?id=66994

Patch by Juan Carlos Montemayor Elosua <j.mont@me.com> on 2011-09-27
Reviewed by Oliver Hunt.

Source/JavaScriptCore:

This patch utilizes topCallFrame to create a stack trace when
an error is thrown. Users will also be able to use the stack()
command in jsc to get arrays with stack trace information.

* JavaScriptCore.exp:
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.def:
* interpreter/Interpreter.cpp:
(JSC::getCallerLine):
(JSC::getSourceURLFromCallFrame):
(JSC::getStackFrameCodeType):
(JSC::Interpreter::getStackTrace):
(JSC::Interpreter::throwException):
* interpreter/Interpreter.h:
(JSC::StackFrame::toString):
* jsc.cpp:
(GlobalObject::finishCreation):
(functionJSCStack):
* parser/Parser.h:
(JSC::Parser::parse):
* runtime/CommonIdentifiers.h:
* runtime/Error.cpp:
(JSC::addErrorInfo):
* runtime/Error.h:

LayoutTests:

Unit tests that contain both normal and special cases for stack trace
generation.

* fast/js/exception-properties-expected.txt:
* fast/js/script-tests/exception-properties.js:
* fast/js/script-tests/stack-trace.js: Added.
(printStack):
(hostThrower):
(callbacker):
(outer):
(inner):
(evaler):
(normalOuter):
(normalInner):
(scripterInner):
(scripterOuter):
* fast/js/stack-trace-expected.txt: Added.
* fast/js/stack-trace.html: Added.
* platform/chromium/test_expectations.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@96131 268f45cc-cd09-0410-ab3c-d52691b4dbfc