#include <compilation-cache.h>

Collaboration diagram for v8::internal::CompilationCache:

Public Member Functions
MaybeHandle< SharedFunctionInfo >	LookupScript (Handle< String > source, Handle< Object > name, int line_offset, int column_offset, bool is_shared_cross_origin, Handle< Context > context)

MaybeHandle< SharedFunctionInfo >	LookupEval (Handle< String > source, Handle< Context > context, StrictMode strict_mode, int scope_position)

MaybeHandle< FixedArray >	LookupRegExp (Handle< String > source, JSRegExp::Flags flags)

void	PutScript (Handle< String > source, Handle< Context > context, Handle< SharedFunctionInfo > function_info)

void	PutEval (Handle< String > source, Handle< Context > context, Handle< SharedFunctionInfo > function_info, int scope_position)

void	PutRegExp (Handle< String > source, JSRegExp::Flags flags, Handle< FixedArray > data)

void	Clear ()

void	Remove (Handle< SharedFunctionInfo > function_info)

void	Iterate (ObjectVisitor *v)

void	IterateFunctions (ObjectVisitor *v)

void	MarkCompactPrologue ()

void	Enable ()

void	Disable ()

Private Member Functions
	CompilationCache (Isolate *isolate)

	~CompilationCache ()

HashMap *	EagerOptimizingSet ()

bool	IsEnabled ()

Isolate *	isolate ()

	DISALLOW_COPY_AND_ASSIGN (CompilationCache)

Private Attributes
Isolate *	isolate_

CompilationCacheScript	script_

CompilationCacheEval	eval_global_

CompilationCacheEval	eval_contextual_

CompilationCacheRegExp	reg_exp_

CompilationSubCache *	subcaches_ [kSubCacheCount]

bool	enabled_

Static Private Attributes
static const int	kSubCacheCount = 4

Friends
class	Isolate

Detailed Description

Definition at line 151 of file compilation-cache.h.

Constructor & Destructor Documentation

◆ CompilationCache()

v8::internal::CompilationCache::CompilationCache ( Isolate * isolate )

explicitprivate

Definition at line 27 of file compilation-cache.cc.

     : isolate_(isolate),
       script_(isolate, kScriptGenerations),
       eval_global_(isolate, kEvalGlobalGenerations),
       eval_contextual_(isolate, kEvalContextualGenerations),
       reg_exp_(isolate, kRegExpGenerations),
       enabled_(true) {
   CompilationSubCache* subcaches[kSubCacheCount] =
     {&script_, &eval_global_, &eval_contextual_, &reg_exp_};
   for (int i = 0; i < kSubCacheCount; ++i) {
     subcaches_[i] = subcaches[i];
   }
 }

References eval_contextual_, eval_global_, kSubCacheCount, reg_exp_, script_, and subcaches_.

◆ ~CompilationCache()

v8::internal::CompilationCache::~CompilationCache ( )

private

Definition at line 42 of file compilation-cache.cc.

42 {}

Member Function Documentation

◆ Clear()

void v8::internal::CompilationCache::Clear ( )

Definition at line 391 of file compilation-cache.cc.

                              {
   for (int i = 0; i < kSubCacheCount; i++) {
     subcaches_[i]->Clear();
   }
 }

References v8::internal::CompilationSubCache::Clear(), kSubCacheCount, and subcaches_.

Referenced by v8::internal::Heap::AdvanceIdleIncrementalMarking(), v8::internal::Heap::CollectAllAvailableGarbage(), v8::internal::Heap::CreateInitialObjects(), and Disable().

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◆ Disable()

void v8::internal::CompilationCache::Disable ( )

Definition at line 424 of file compilation-cache.cc.

                                {
   enabled_ = false;
   Clear();
 }

References Clear(), and enabled_.

Referenced by v8::internal::Debug::UpdateState().

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◆ DISALLOW_COPY_AND_ASSIGN()

v8::internal::CompilationCache::DISALLOW_COPY_AND_ASSIGN ( CompilationCache )

private

◆ EagerOptimizingSet()

HashMap* v8::internal::CompilationCache::EagerOptimizingSet ( )

private

◆ Enable()

void v8::internal::CompilationCache::Enable ( )

Definition at line 419 of file compilation-cache.cc.

                               {
   enabled_ = true;
 }

References enabled_.

Referenced by v8::internal::Debug::UpdateState().

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◆ IsEnabled()

bool v8::internal::CompilationCache::IsEnabled ( )

inlineprivate

Definition at line 220 of file compilation-cache.h.

220 { return FLAG_compilation_cache && enabled_; }

References enabled_.

Referenced by LookupEval(), LookupRegExp(), LookupScript(), PutEval(), PutRegExp(), PutScript(), and Remove().

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◆ isolate()

Isolate* v8::internal::CompilationCache::isolate ( )

inlineprivate

Definition at line 222 of file compilation-cache.h.

222 { return isolate_; }

References isolate_.

Referenced by PutEval().

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◆ Iterate()

void v8::internal::CompilationCache::Iterate ( ObjectVisitor * v )

Definition at line 398 of file compilation-cache.cc.

                                                {
   for (int i = 0; i < kSubCacheCount; i++) {
     subcaches_[i]->Iterate(v);
   }
 }

References v8::internal::CompilationSubCache::Iterate(), kSubCacheCount, and subcaches_.

Referenced by v8::internal::Heap::IterateStrongRoots().

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◆ IterateFunctions()

void v8::internal::CompilationCache::IterateFunctions ( ObjectVisitor * v )

Definition at line 405 of file compilation-cache.cc.

                                                         {
   for (int i = 0; i < kSubCacheCount; i++) {
     subcaches_[i]->IterateFunctions(v);
   }
 }

References v8::internal::CompilationSubCache::IterateFunctions(), kSubCacheCount, and subcaches_.

Referenced by v8::internal::MarkCompactCollector::PrepareForCodeFlushing().

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◆ LookupEval()

MaybeHandle< SharedFunctionInfo > v8::internal::CompilationCache::LookupEval	(	Handle< String >	source,
		Handle< Context >	context,
		StrictMode	strict_mode,
		int	scope_position
	)

Definition at line 326 of file compilation-cache.cc.

                         {
   if (!IsEnabled()) return MaybeHandle<SharedFunctionInfo>();
  
   MaybeHandle<SharedFunctionInfo> result;
   if (context->IsNativeContext()) {
     result = eval_global_.Lookup(
         source, context, strict_mode, scope_position);
   } else {
     DCHECK(scope_position != RelocInfo::kNoPosition);
     result = eval_contextual_.Lookup(
         source, context, strict_mode, scope_position);
   }
   return result;
 }

References DCHECK, eval_contextual_, eval_global_, IsEnabled(), v8::internal::RelocInfo::kNoPosition, and v8::internal::CompilationCacheEval::Lookup().

Referenced by v8::internal::Compiler::GetFunctionFromEval().

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◆ LookupRegExp()

MaybeHandle< FixedArray > v8::internal::CompilationCache::LookupRegExp	(	Handle< String >	source,
		JSRegExp::Flags	flags
	)

Definition at line 346 of file compilation-cache.cc.

                                                                             {
   if (!IsEnabled()) return MaybeHandle<FixedArray>();
  
   return reg_exp_.Lookup(source, flags);
 }

References v8::internal::anonymous_namespace{flags.cc}::flags, IsEnabled(), v8::internal::CompilationCacheRegExp::Lookup(), and reg_exp_.

Referenced by v8::internal::RegExpImpl::Compile().

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◆ LookupScript()

MaybeHandle< SharedFunctionInfo > v8::internal::CompilationCache::LookupScript	(	Handle< String >	source,
		Handle< Object >	name,
		int	line_offset,
		int	column_offset,
		bool	is_shared_cross_origin,
		Handle< Context >	context
	)

Definition at line 312 of file compilation-cache.cc.

                              {
   if (!IsEnabled()) return MaybeHandle<SharedFunctionInfo>();
  
   return script_.Lookup(source, name, line_offset, column_offset,
                         is_shared_cross_origin, context);
 }

References IsEnabled(), v8::internal::CompilationCacheScript::Lookup(), name, and script_.

Referenced by v8::internal::Compiler::CompileScript().

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◆ MarkCompactPrologue()

void v8::internal::CompilationCache::MarkCompactPrologue ( )

Definition at line 412 of file compilation-cache.cc.

                                            {
   for (int i = 0; i < kSubCacheCount; i++) {
     subcaches_[i]->Age();
   }
 }

References v8::internal::CompilationSubCache::Age(), kSubCacheCount, and subcaches_.

Referenced by v8::internal::Heap::MarkCompactPrologue(), and v8::internal::IncrementalMarking::StartMarking().

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◆ PutEval()

void v8::internal::CompilationCache::PutEval	(	Handle< String >	source,
		Handle< Context >	context,
		Handle< SharedFunctionInfo >	function_info,
		int	scope_position
	)

Definition at line 363 of file compilation-cache.cc.

                                                    {
   if (!IsEnabled()) return;
  
   HandleScope scope(isolate());
   if (context->IsNativeContext()) {
     eval_global_.Put(source, context, function_info, scope_position);
   } else {
     DCHECK(scope_position != RelocInfo::kNoPosition);
     eval_contextual_.Put(source, context, function_info, scope_position);
   }
 }

References DCHECK, eval_contextual_, eval_global_, IsEnabled(), isolate(), v8::internal::RelocInfo::kNoPosition, and v8::internal::CompilationCacheEval::Put().

Referenced by v8::internal::Compiler::GetFunctionFromEval().

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◆ PutRegExp()

void v8::internal::CompilationCache::PutRegExp	(	Handle< String >	source,
		JSRegExp::Flags	flags,
		Handle< FixedArray >	data
	)

Definition at line 380 of file compilation-cache.cc.

                                                           {
   if (!IsEnabled()) {
     return;
   }
  
   reg_exp_.Put(source, flags, data);
 }

References v8::internal::anonymous_namespace{flags.cc}::flags, IsEnabled(), v8::internal::CompilationCacheRegExp::Put(), and reg_exp_.

Referenced by v8::internal::RegExpImpl::Compile().

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◆ PutScript()

void v8::internal::CompilationCache::PutScript	(	Handle< String >	source,
		Handle< Context >	context,
		Handle< SharedFunctionInfo >	function_info
	)

Definition at line 354 of file compilation-cache.cc.

                                                                            {
   if (!IsEnabled()) return;
  
   script_.Put(source, context, function_info);
 }

References IsEnabled(), v8::internal::CompilationCacheScript::Put(), and script_.

Referenced by v8::internal::Compiler::CompileScript().

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◆ Remove()

void v8::internal::CompilationCache::Remove ( Handle< SharedFunctionInfo > function_info )

Definition at line 303 of file compilation-cache.cc.

                                                                       {
   if (!IsEnabled()) return;
  
   eval_global_.Remove(function_info);
   eval_contextual_.Remove(function_info);
   script_.Remove(function_info);
 }

References eval_contextual_, eval_global_, IsEnabled(), v8::internal::CompilationSubCache::Remove(), and script_.

Referenced by v8::internal::LiveEdit::ReplaceFunctionCode().

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Friends And Related Function Documentation

◆ Isolate

friend class Isolate

friend

Definition at line 235 of file compilation-cache.h.

Member Data Documentation

◆ enabled_

bool v8::internal::CompilationCache::enabled_

private

Definition at line 233 of file compilation-cache.h.

Referenced by Disable(), Enable(), and IsEnabled().

◆ eval_contextual_

CompilationCacheEval v8::internal::CompilationCache::eval_contextual_

private

Definition at line 228 of file compilation-cache.h.

Referenced by CompilationCache(), LookupEval(), PutEval(), and Remove().

◆ eval_global_

CompilationCacheEval v8::internal::CompilationCache::eval_global_

private

Definition at line 227 of file compilation-cache.h.

Referenced by CompilationCache(), LookupEval(), PutEval(), and Remove().

◆ isolate_

Isolate* v8::internal::CompilationCache::isolate_

private

Definition at line 224 of file compilation-cache.h.

Referenced by isolate().

◆ kSubCacheCount

const int v8::internal::CompilationCache::kSubCacheCount = 4

staticprivate

Definition at line 218 of file compilation-cache.h.

Referenced by Clear(), CompilationCache(), Iterate(), IterateFunctions(), and MarkCompactPrologue().

◆ reg_exp_

CompilationCacheRegExp v8::internal::CompilationCache::reg_exp_

private

Definition at line 229 of file compilation-cache.h.

Referenced by CompilationCache(), LookupRegExp(), and PutRegExp().

◆ script_

CompilationCacheScript v8::internal::CompilationCache::script_

private

Definition at line 226 of file compilation-cache.h.

Referenced by CompilationCache(), LookupScript(), PutScript(), and Remove().

◆ subcaches_

CompilationSubCache* v8::internal::CompilationCache::subcaches_[kSubCacheCount]

private

Definition at line 230 of file compilation-cache.h.

Referenced by Clear(), CompilationCache(), Iterate(), IterateFunctions(), and MarkCompactPrologue().

The documentation for this class was generated from the following files:

/mnt/V8SourceCode/src/compilation-cache.h
/mnt/V8SourceCode/src/compilation-cache.cc

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ CompilationCache()

◆ ~CompilationCache()

Member Function Documentation

◆ Clear()

◆ Disable()

◆ DISALLOW_COPY_AND_ASSIGN()

◆ EagerOptimizingSet()

◆ Enable()

◆ IsEnabled()

◆ isolate()

◆ Iterate()

◆ IterateFunctions()

◆ LookupEval()

◆ LookupRegExp()

◆ LookupScript()

◆ MarkCompactPrologue()

◆ PutEval()

◆ PutRegExp()

◆ PutScript()

◆ Remove()

Friends And Related Function Documentation

◆ Isolate

Member Data Documentation

◆ enabled_

◆ eval_contextual_

◆ eval_global_

◆ isolate_

◆ kSubCacheCount

◆ reg_exp_

◆ script_

◆ subcaches_