本文整理汇总了C++中JSScript::ensureRanAnalysis方法的典型用法代码示例。如果您正苦于以下问题：C++ JSScript::ensureRanAnalysis方法的具体用法？C++ JSScript::ensureRanAnalysis怎么用？C++ JSScript::ensureRanAnalysis使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JSScript的用法示例。
在下文中一共展示了JSScript::ensureRanAnalysis方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: enter
//.........这里部分代码省略.........
case JSTRAP_RETURN:
cx->clearPendingException();
cx->fp()->setReturnValue(rval);
return cx->jaegerRuntime().forceReturnFromExternC();
case JSTRAP_THROW:
cx->setPendingException(rval);
break;
default:
JS_NOT_REACHED("bad onExceptionUnwind status");
}
}
}
pc = FindExceptionHandler(cx);
if (pc)
break;
// The JIT guarantees that ScriptDebugEpilogue() and ScriptEpilogue()
// have always been run upon exiting to its caller. This is important
// for consistency, where execution modes make similar guarantees about
// prologues and epilogues. Interpret(), and Invoke() all rely on this
// property.
JS_ASSERT(!f.fp()->finishedInInterpreter());
UnwindScope(cx, 0);
f.regs.setToEndOfScript();
if (cx->compartment->debugMode()) {
// This can turn a throw or error into a healthy return. Note that
// we will run ScriptDebugEpilogue again (from AnyFrameEpilogue);
// ScriptDebugEpilogue is prepared for this eventuality.
if (js::ScriptDebugEpilogue(cx, f.fp(), false))
return cx->jaegerRuntime().forceReturnFromExternC();
}
ScriptEpilogue(f.cx, f.fp(), false);
// Don't remove the last frame, this is the responsibility of
// JaegerShot()'s caller. We only guarantee that ScriptEpilogue()
// has been run.
if (f.entryfp == f.fp())
break;
JS_ASSERT(&cx->regs() == &f.regs);
InlineReturn(f);
}
JS_ASSERT(&cx->regs() == &f.regs);
if (!pc)
return NULL;
StackFrame *fp = cx->fp();
JSScript *script = fp->script();
/*
* Fall back to EnterMethodJIT and finish the frame in the interpreter.
* With type inference enabled, we may wipe out all JIT code on the
* stack without patching ncode values to jump to the interpreter, and
* thus can only enter JIT code via EnterMethodJIT (which overwrites
* its entry frame's ncode). See ClearAllFrames.
*/
cx->jaegerRuntime().setLastUnfinished(Jaeger_Unfinished);
if (!script->ensureRanAnalysis(cx, NULL)) {
js_ReportOutOfMemory(cx);
return NULL;
}
analyze::AutoEnterAnalysis enter(cx);
/*
* Interpret the ENTERBLOCK and EXCEPTION opcodes, so that we don't go
* back into the interpreter with a pending exception. This will cause
* it to immediately rethrow.
*/
if (cx->isExceptionPending()) {
JS_ASSERT(JSOp(*pc) == JSOP_ENTERBLOCK);
StaticBlockObject &blockObj = script->getObject(GET_UINT32_INDEX(pc))->asStaticBlock();
if (!cx->regs().fp()->pushBlock(cx, blockObj))
return NULL;
Value *vp = cx->regs().sp + blockObj.slotCount();
SetValueRangeToUndefined(cx->regs().sp, vp);
cx->regs().sp = vp;
JS_ASSERT(JSOp(pc[JSOP_ENTERBLOCK_LENGTH]) == JSOP_EXCEPTION);
cx->regs().sp[0] = cx->getPendingException();
cx->clearPendingException();
cx->regs().sp++;
cx->regs().pc = pc + JSOP_ENTERBLOCK_LENGTH + JSOP_EXCEPTION_LENGTH;
}
*f.oldregs = f.regs;
return NULL;
}