Scope Class Reference

#include <scopes.h>

Inheritance diagram for Scope:

Collaboration diagram for Scope:

Public Member Functions
	Scope (Scope *outer_scope, ScopeType scope_type, Zone *zone)
void	SetScopeName (Handle< String > scope_name)
void	Initialize ()
Scope *	FinalizeBlockScope ()
Zone *	zone () const
Variable *	LocalLookup (Handle< String > name)
Variable *	LookupFunctionVar (Handle< String > name, AstNodeFactory< AstNullVisitor > *factory)
Variable *	Lookup (Handle< String > name)
void	DeclareFunctionVar (VariableDeclaration *declaration)
void	DeclareParameter (Handle< String > name, VariableMode mode)
Variable *	DeclareLocal (Handle< String > name, VariableMode mode, InitializationFlag init_flag, Interface *interface=Interface::NewValue())
Variable *	DeclareDynamicGlobal (Handle< String > name)
template<class Visitor >
VariableProxy *	NewUnresolved (AstNodeFactory< Visitor > *factory, Handle< String > name, Interface *interface=Interface::NewValue(), int position=RelocInfo::kNoPosition)
void	RemoveUnresolved (VariableProxy *var)
Variable *	NewInternal (Handle< String > name)
Variable *	NewTemporary (Handle< String > name)
void	AddDeclaration (Declaration *declaration)
void	SetIllegalRedeclaration (Expression *expression)
void	VisitIllegalRedeclaration (AstVisitor *visitor)
bool	HasIllegalRedeclaration () const
Declaration *	CheckConflictingVarDeclarations ()
void	RecordWithStatement ()
void	RecordEvalCall ()
void	SetStrictMode (StrictMode strict_mode)
int	start_position () const
void	set_start_position (int statement_pos)
int	end_position () const
void	set_end_position (int statement_pos)
void	ForceContextAllocation ()
bool	has_forced_context_allocation () const
bool	is_eval_scope () const
bool	is_function_scope () const
bool	is_module_scope () const
bool	is_global_scope () const
bool	is_catch_scope () const
bool	is_block_scope () const
bool	is_with_scope () const
bool	is_declaration_scope () const
bool	is_strict_eval_scope () const
bool	calls_eval () const
bool	calls_sloppy_eval ()
bool	outer_scope_calls_sloppy_eval () const
bool	inside_with () const
bool	contains_with () const
ScopeType	scope_type () const
StrictMode	strict_mode () const
Variable *	receiver ()
VariableDeclaration *	function () const
Variable *	parameter (int index) const
int	num_parameters () const
Variable *	arguments () const
ZoneList< Declaration * > *	declarations ()
ZoneList< Scope * > *	inner_scopes ()
Scope *	outer_scope () const
Interface *	interface () const
void	CollectStackAndContextLocals (ZoneList< Variable * > *stack_locals, ZoneList< Variable * > *context_locals)
int	num_var_or_const ()
int	num_stack_slots () const
int	num_heap_slots () const
int	StackLocalCount () const
int	ContextLocalCount () const
int	num_modules () const
Variable *	module_var () const
void	ForceEagerCompilation ()
bool	AllowsLazyCompilation () const
bool	AllowsLazyCompilationWithoutContext () const
bool	HasTrivialOuterContext () const
bool	HasLazyCompilableOuterContext () const
int	ContextChainLength (Scope *scope)
Scope *	GlobalScope ()
Scope *	DeclarationScope ()
Handle< ScopeInfo >	GetScopeInfo ()
void	GetNestedScopeChain (List< Handle< ScopeInfo > > *chain, int statement_position)
bool	IsDeclared (Handle< String > name)
Public Member Functions inherited from ZoneObject
	INLINE (void *operator new(size_t size, Zone *zone))
void	operator delete (void *, size_t)
void	operator delete (void *pointer, Zone *zone)

Static Public Member Functions
static bool	Analyze (CompilationInfo *info)
static Scope *	DeserializeScopeChain (Context *context, Scope *global_scope, Zone *zone)

Protected Types
enum	BindingKind {   BOUND, BOUND_EVAL_SHADOWED, UNBOUND, UNBOUND_EVAL_SHADOWED,   DYNAMIC_LOOKUP }

Protected Member Functions
bool	already_resolved ()
Variable *	NonLocal (Handle< String > name, VariableMode mode)
Variable *	LookupRecursive (Handle< String > name, BindingKind *binding_kind, AstNodeFactory< AstNullVisitor > *factory)
MUST_USE_RESULT bool	ResolveVariable (CompilationInfo *info, VariableProxy *proxy, AstNodeFactory< AstNullVisitor > *factory)
MUST_USE_RESULT bool	ResolveVariablesRecursively (CompilationInfo *info, AstNodeFactory< AstNullVisitor > *factory)
bool	PropagateScopeInfo (bool outer_scope_calls_sloppy_eval)
bool	HasTrivialContext () const
bool	MustAllocate (Variable *var)
bool	MustAllocateInContext (Variable *var)
bool	HasArgumentsParameter ()
void	AllocateStackSlot (Variable *var)
void	AllocateHeapSlot (Variable *var)
void	AllocateParameterLocals ()
void	AllocateNonParameterLocal (Variable *var)
void	AllocateNonParameterLocals ()
void	AllocateVariablesRecursively ()
void	AllocateModulesRecursively (Scope *host_scope)
MUST_USE_RESULT bool	AllocateVariables (CompilationInfo *info, AstNodeFactory< AstNullVisitor > *factory)

Protected Attributes
Isolate *const	isolate_
Scope *	outer_scope_
ZoneList< Scope * >	inner_scopes_
ScopeType	scope_type_
Handle< String >	scope_name_
VariableMap	variables_
ZoneList< Variable * >	internals_
ZoneList< Variable * >	temps_
ZoneList< Variable * >	params_
DynamicScopePart *	dynamics_
ZoneList< VariableProxy * >	unresolved_
ZoneList< Declaration * >	decls_
Variable *	receiver_
VariableDeclaration *	function_
Variable *	arguments_
Interface *	interface_
Expression *	illegal_redecl_
bool	scope_inside_with_
bool	scope_contains_with_
bool	scope_calls_eval_
StrictMode	strict_mode_
int	start_position_
int	end_position_
bool	outer_scope_calls_sloppy_eval_
bool	inner_scope_calls_eval_
bool	force_eager_compilation_
bool	force_context_allocation_
bool	already_resolved_
int	num_var_or_const_
int	num_stack_slots_
int	num_heap_slots_
int	num_modules_
Variable *	module_var_
Handle< ScopeInfo >	scope_info_

Friends
class	ParserFactory

Detailed Description

Definition at line 95 of file scopes.h.

Member Enumeration Documentation

enum BindingKind

protected

Enumerator
BOUND
BOUND_EVAL_SHADOWED
UNBOUND
UNBOUND_EVAL_SHADOWED
DYNAMIC_LOOKUP

Definition at line 529 of file scopes.h.

Constructor & Destructor Documentation

Scope	(	Scope *	outer_scope,
		ScopeType	scope_type,
		Zone *	zone
	)

Definition at line 105 of file scopes.cc.

References ASSERT, v8::internal::GLOBAL_SCOPE, Scope::HasIllegalRedeclaration(), and v8::internal::NULL.

Referenced by Scope::DeserializeScopeChain().

Member Function Documentation

void AddDeclaration

(

Declaration *

declaration

)

Definition at line 531 of file scopes.cc.

References Scope::decls_, and Scope::zone().

void AllocateHeapSlot ( Variable *  var )

protected

Definition at line 1230 of file scopes.cc.

References Variable::AllocateTo(), Variable::CONTEXT, and Scope::num_heap_slots_.

Referenced by Scope::AllocateNonParameterLocal(), and Scope::AllocateParameterLocals().

void AllocateModulesRecursively ( Scope *  host_scope )

protected

Definition at line 1374 of file scopes.cc.

References Scope::AllocateModulesRecursively(), Scope::already_resolved(), ASSERT, Isolate::factory(), Scope::inner_scopes_, Scope::interface_, Factory::InternalizeOneByteString(), Scope::is_module_scope(), Interface::IsFrozen(), Scope::isolate_, Scope::module_var_, Scope::NewInternal(), v8::internal::NULL, Scope::num_modules_, and STATIC_ASCII_VECTOR.

Referenced by Scope::AllocateModulesRecursively(), and Scope::AllocateVariables().

void AllocateNonParameterLocal ( Variable *  var )

protected

Definition at line 1291 of file scopes.cc.

References Scope::AllocateHeapSlot(), Scope::AllocateStackSlot(), ASSERT, Isolate::factory(), Scope::isolate_, Variable::IsStackLocal(), Variable::IsUnallocated(), Variable::IsVariable(), Scope::MustAllocate(), Scope::MustAllocateInContext(), and Variable::scope().

Referenced by Scope::AllocateNonParameterLocals().

void AllocateNonParameterLocals ( )

protected

Definition at line 1305 of file scopes.cc.

References Scope::AllocateNonParameterLocal(), VarAndOrder::Compare(), Scope::function_, Scope::internals_, TemplateHashMapImpl< AllocationPolicy >::Next(), v8::internal::NULL, TemplateHashMapImpl< AllocationPolicy >::occupancy(), TemplateHashMapImpl< AllocationPolicy >::Start(), Scope::temps_, Scope::variables_, and Scope::zone().

Referenced by Scope::AllocateVariablesRecursively().

void AllocateParameterLocals ( )

protected

Definition at line 1235 of file scopes.cc.

References Scope::AllocateHeapSlot(), Variable::AllocateTo(), Scope::arguments(), Scope::arguments_, ASSERT, Isolate::factory(), Variable::ForceContextAllocation(), Scope::HasArgumentsParameter(), Scope::is_function_scope(), Variable::IsContextSlot(), Scope::isolate_, Variable::IsParameter(), Variable::IsUnallocated(), Scope::LocalLookup(), Scope::MustAllocate(), Scope::MustAllocateInContext(), v8::internal::NULL, Variable::PARAMETER, Scope::params_, Variable::scope(), v8::internal::SLOPPY, and Scope::strict_mode().

Referenced by Scope::AllocateVariablesRecursively().

void AllocateStackSlot ( Variable *  var )

protected

Definition at line 1225 of file scopes.cc.

References Variable::AllocateTo(), Variable::LOCAL, and Scope::num_stack_slots_.

Referenced by Scope::AllocateNonParameterLocal().

bool AllocateVariables ( CompilationInfo *  info, AstNodeFactory< AstNullVisitor > *  factory  )

protected

Definition at line 642 of file scopes.cc.

References Scope::AllocateModulesRecursively(), Scope::AllocateVariablesRecursively(), ASSERT, Scope::calls_sloppy_eval(), Scope::is_global_scope(), Scope::is_module_scope(), v8::internal::NULL, Scope::num_modules_, Scope::outer_scope_, Scope::outer_scope_calls_sloppy_eval(), Scope::PropagateScopeInfo(), and Scope::ResolveVariablesRecursively().

Referenced by Scope::Analyze().

void AllocateVariablesRecursively ( )

protected

Definition at line 1338 of file scopes.cc.

References Scope::AllocateNonParameterLocals(), Scope::AllocateParameterLocals(), Scope::already_resolved(), ASSERT, Scope::calls_eval(), Scope::inner_scopes_, Scope::is_function_scope(), Scope::is_module_scope(), Scope::is_with_scope(), Context::MIN_CONTEXT_SLOTS, Scope::num_heap_slots_, and Scope::num_stack_slots_.

Referenced by Scope::AllocateVariables().

bool AllowsLazyCompilation

(

)

const

Definition at line 711 of file scopes.cc.

References Scope::force_eager_compilation_, and Scope::HasLazyCompilableOuterContext().

Referenced by CompilationInfo::ShouldSelfOptimize().

bool AllowsLazyCompilationWithoutContext

(

)

const

Definition at line 716 of file scopes.cc.

References Scope::force_eager_compilation_, and Scope::HasTrivialOuterContext().

bool already_resolved ( )

inlineprotected

Definition at line 519 of file scopes.h.

References Scope::already_resolved_.

Referenced by Scope::AllocateModulesRecursively(), Scope::AllocateVariablesRecursively(), Scope::Analyze(), Scope::DeclareLocal(), Scope::DeclareParameter(), Scope::ForceContextAllocation(), Scope::Initialize(), Scope::LookupRecursive(), Scope::NewInternal(), Scope::NewTemporary(), and Scope::NewUnresolved().

bool Analyze ( CompilationInfo *  info )

static

Definition at line 278 of file scopes.cc.

References Scope::AllocateVariables(), Scope::already_resolved(), ASSERT, Isolate::bootstrapper(), CompilationInfo::function(), Scope::interface(), Scope::is_global_scope(), Bootstrapper::IsActive(), CompilationInfo::isolate(), v8::internal::NULL, Scope::outer_scope(), CompilationInfo::PrepareForCompilation(), v8::internal::PrintF(), and CompilationInfo::zone().

Variable* arguments ( ) const

inline

Definition at line 341 of file scopes.h.

References Scope::arguments_.

Referenced by Scope::AllocateParameterLocals(), and HOptimizedGraphBuilder::SetUpScope().

bool calls_eval ( ) const

inline

Definition at line 299 of file scopes.h.

References Scope::scope_calls_eval_.

Referenced by Scope::AllocateVariablesRecursively(), HOptimizedGraphBuilder::BuildGraph(), and ScopeInfo::Create().

bool calls_sloppy_eval ( )

inline

Definition at line 300 of file scopes.h.

References Scope::scope_calls_eval_, v8::internal::SLOPPY, and Scope::strict_mode_.

Referenced by Scope::AllocateVariables(), Scope::LookupRecursive(), and Scope::PropagateScopeInfo().

Declaration * CheckConflictingVarDeclarations

(

)

Definition at line 551 of file scopes.cc.

References Scope::decls_, Scope::is_declaration_scope(), VariableMap::Lookup(), Variable::mode(), Declaration::mode(), v8::internal::name, v8::internal::NULL, Scope::outer_scope_, Declaration::proxy(), Declaration::scope(), v8::internal::VAR, and Scope::variables_.

void CollectStackAndContextLocals	(	ZoneList< Variable * > *	stack_locals,
		ZoneList< Variable * > *	context_locals
	)

Definition at line 590 of file scopes.cc.

References List< T, ZoneAllocationPolicy >::Add(), ASSERT, VarAndOrder::Compare(), Scope::has_forced_context_allocation(), Scope::internals_, Variable::is_used(), Variable::IsContextSlot(), Variable::IsStackLocal(), TemplateHashMapImpl< AllocationPolicy >::Next(), v8::internal::NULL, TemplateHashMapImpl< AllocationPolicy >::occupancy(), TemplateHashMapImpl< AllocationPolicy >::Start(), Scope::temps_, Scope::variables_, and Scope::zone().

Referenced by ScopeInfo::Create().

bool contains_with ( ) const

inline

Definition at line 310 of file scopes.h.

References Scope::scope_contains_with_.

Referenced by Scope::DeserializeScopeChain().

int ContextChainLength

(

Scope *

scope

)

Definition at line 721 of file scopes.cc.

References ASSERT, v8::internal::NULL, and Scope::outer_scope_.

int ContextLocalCount

(

)

const

Definition at line 1398 of file scopes.cc.

References Scope::function_, Context::MIN_CONTEXT_SLOTS, v8::internal::NULL, and Scope::num_heap_slots().

Referenced by ScopeInfo::Create().

ZoneList<Declaration*>* declarations ( )

inline

Definition at line 344 of file scopes.h.

References Scope::decls_.

Referenced by HOptimizedGraphBuilder::BuildGraph(), and AstTyper::Run().

Scope * DeclarationScope

(

)

Definition at line 743 of file scopes.cc.

References Scope::is_declaration_scope(), and Scope::outer_scope().

Referenced by ParserTraits::CheckFunctionLiteralInsideTopLevelObjectLiteral(), ParserTraits::CheckPossibleEvalCall(), and Scope::HasLazyCompilableOuterContext().

Variable * DeclareDynamicGlobal

(

Handle< String >

name

)

Definition at line 482 of file scopes.cc.

References ASSERT, VariableMap::Declare(), v8::internal::DYNAMIC_GLOBAL, Scope::is_global_scope(), v8::internal::kCreatedInitialized, Variable::NORMAL, and Scope::variables_.

Referenced by Scope::ResolveVariable().

void DeclareFunctionVar ( VariableDeclaration *  declaration )

inline

Definition at line 142 of file scopes.h.

References ASSERT, Scope::function_, and Scope::is_function_scope().

Referenced by Scope::LookupFunctionVar().

Variable * DeclareLocal	(	Handle< String >	name,
		VariableMode	mode,
		InitializationFlag	init_flag,
		Interface *	interface = Interface::NewValue()
	)

Definition at line 467 of file scopes.cc.

References Scope::already_resolved(), ASSERT, VariableMap::Declare(), v8::internal::IsDeclaredVariableMode(), Variable::NORMAL, Scope::num_var_or_const_, and Scope::variables_.

void DeclareParameter	(	Handle< String >	name,
		VariableMode	mode
	)

Definition at line 458 of file scopes.cc.

References Scope::already_resolved(), ASSERT, VariableMap::Declare(), Scope::is_function_scope(), v8::internal::kCreatedInitialized, Variable::NORMAL, Scope::params_, Scope::variables_, and Scope::zone().

Scope * DeserializeScopeChain ( Context *  context, Scope *  global_scope, Zone *  zone  )

static

Definition at line 214 of file scopes.cc.

References ASSERT, v8::internal::BLOCK_SCOPE, ScopeInfo::cast(), String::cast(), Context::closure(), Scope::contains_with(), Context::extension(), v8::internal::FUNCTION_SCOPE, v8::internal::GLOBAL_SCOPE, Context::IsBlockContext(), Context::IsCatchContext(), Context::IsFunctionContext(), Context::IsGlobalContext(), Context::IsModuleContext(), Context::IsNativeContext(), Context::IsWithContext(), Context::module(), v8::internal::MODULE_SCOPE, v8::internal::name, v8::internal::NULL, Context::previous(), Scope::PropagateScopeInfo(), Scope::RecordWithStatement(), Scope::Scope(), Scope::scope_inside_with_, v8::internal::WITH_SCOPE, and Scope::zone().

int end_position ( ) const

inline

Definition at line 265 of file scopes.h.

References Scope::end_position_.

Referenced by Scope::GetNestedScopeChain().

Scope * FinalizeBlockScope

(

)

Definition at line 362 of file scopes.cc.

References List< T, P >::Add(), ASSERT, Scope::inner_scopes_, Scope::internals_, Scope::is_block_scope(), v8::internal::NULL, Scope::num_var_or_const(), Scope::outer_scope(), Scope::outer_scope_, Scope::params_, Scope::temps_, Scope::unresolved_, and Scope::zone().

void ForceContextAllocation ( )

inline

Definition at line 271 of file scopes.h.

References Scope::already_resolved(), ASSERT, and Scope::force_context_allocation_.

void ForceEagerCompilation ( )

inline

Definition at line 381 of file scopes.h.

References Scope::force_eager_compilation_.

VariableDeclaration* function ( ) const

inline

Definition at line 326 of file scopes.h.

References ASSERT, Scope::function_, and Scope::is_function_scope().

Referenced by HOptimizedGraphBuilder::BuildGraph(), ScopeInfo::Create(), and AstTyper::Run().

void GetNestedScopeChain	(	List< Handle< ScopeInfo > > *	chain,
		int	statement_position
	)

Definition at line 760 of file scopes.cc.

References ASSERT, Scope::end_position(), Scope::GetNestedScopeChain(), Scope::GetScopeInfo(), Scope::inner_scopes_, Scope::is_eval_scope(), and Scope::start_position().

Referenced by Scope::GetNestedScopeChain().

Handle< ScopeInfo > GetScopeInfo

(

)

Definition at line 752 of file scopes.cc.

References ScopeInfo::Create(), Scope::scope_info_, and Scope::zone().

Referenced by Scope::GetNestedScopeChain().

Scope * GlobalScope

(

)

Definition at line 734 of file scopes.cc.

References Scope::is_global_scope(), and Scope::outer_scope().

bool has_forced_context_allocation ( ) const

inline

Definition at line 275 of file scopes.h.

References Scope::force_context_allocation_.

Referenced by Scope::CollectStackAndContextLocals(), and Scope::MustAllocateInContext().

bool HasArgumentsParameter ( )

protected

Definition at line 1214 of file scopes.cc.

References Isolate::factory(), Scope::isolate_, v8::internal::name, and Scope::params_.

Referenced by Scope::AllocateParameterLocals().

bool HasIllegalRedeclaration ( ) const

inline

Definition at line 220 of file scopes.h.

References Scope::illegal_redecl_, and v8::internal::NULL.

Referenced by HOptimizedGraphBuilder::BuildGraph(), Scope::Scope(), Scope::SetIllegalRedeclaration(), and Scope::VisitIllegalRedeclaration().

bool HasLazyCompilableOuterContext

(

)

const

Definition at line 693 of file scopes.cc.

References Scope::DeclarationScope(), v8::internal::NULL, and Scope::outer_scope_.

Referenced by Scope::AllowsLazyCompilation().

bool HasTrivialContext ( ) const

protected

Definition at line 669 of file scopes.cc.

References v8::internal::NULL.

Referenced by Scope::HasTrivialOuterContext().

bool HasTrivialOuterContext

(

)

const

Definition at line 683 of file scopes.cc.

References Scope::HasTrivialContext(), v8::internal::NULL, Scope::outer_scope_, and Scope::scope_inside_with_.

Referenced by Scope::AllowsLazyCompilationWithoutContext(), and CompilationInfo::DisableOptimization().

void Initialize

(

)

Definition at line 314 of file scopes.cc.

References Variable::AllocateTo(), Scope::already_resolved(), Variable::ARGUMENTS, ASSERT, VariableMap::Declare(), Isolate::factory(), Scope::inner_scopes_, Scope::is_declaration_scope(), Scope::is_function_scope(), Scope::is_with_scope(), Scope::isolate_, v8::internal::kCreatedInitialized, v8::internal::NULL, Scope::outer_scope(), Scope::outer_scope_, Variable::PARAMETER, Scope::receiver(), Scope::receiver_, Scope::scope_inside_with_, Variable::THIS, v8::internal::VAR, Scope::variables_, and Scope::zone().

ZoneList<Scope*>* inner_scopes ( )

inline

Definition at line 347 of file scopes.h.

References Scope::inner_scopes_.

Referenced by TEST().

bool inside_with ( ) const

inline

Definition at line 308 of file scopes.h.

References Scope::scope_inside_with_.

Referenced by CompilationInfo::DisableOptimization().

Interface* interface ( ) const

inline

Definition at line 353 of file scopes.h.

References Scope::interface_.

Referenced by Scope::Analyze(), and Scope::NewUnresolved().

bool is_block_scope ( ) const

inline

Definition at line 288 of file scopes.h.

References v8::internal::BLOCK_SCOPE, and Scope::scope_type_.

Referenced by Scope::FinalizeBlockScope(), Scope::MustAllocate(), and Scope::MustAllocateInContext().

bool is_catch_scope ( ) const

inline

Definition at line 287 of file scopes.h.

References v8::internal::CATCH_SCOPE, and Scope::scope_type_.

Referenced by Scope::MustAllocate(), and Scope::MustAllocateInContext().

bool is_declaration_scope ( ) const

inline

Definition at line 290 of file scopes.h.

References Scope::is_eval_scope(), Scope::is_function_scope(), Scope::is_global_scope(), and Scope::is_module_scope().

Referenced by Scope::CheckConflictingVarDeclarations(), Scope::DeclarationScope(), and Scope::Initialize().

bool is_eval_scope ( ) const

inline

Definition at line 283 of file scopes.h.

References v8::internal::EVAL_SCOPE, and Scope::scope_type_.

Referenced by Scope::GetNestedScopeChain(), Scope::is_declaration_scope(), Scope::is_strict_eval_scope(), and Rewriter::Rewrite().

bool is_function_scope ( ) const

inline

Definition at line 284 of file scopes.h.

References v8::internal::FUNCTION_SCOPE, and Scope::scope_type_.

Referenced by Scope::AllocateParameterLocals(), Scope::AllocateVariablesRecursively(), HOptimizedGraphBuilder::BuildGraph(), ScopeInfo::Create(), Scope::DeclareFunctionVar(), Scope::DeclareParameter(), Scope::function(), Scope::Initialize(), Scope::is_declaration_scope(), Scope::LookupRecursive(), Scope::parameter(), and AstTyper::Run().

bool is_global_scope ( ) const

inline

Definition at line 286 of file scopes.h.

References v8::internal::GLOBAL_SCOPE, and Scope::scope_type_.

Referenced by Scope::AllocateVariables(), Scope::Analyze(), ParserTraits::CheckFunctionLiteralInsideTopLevelObjectLiteral(), Scope::DeclareDynamicGlobal(), Scope::GlobalScope(), Scope::is_declaration_scope(), Variable::IsGlobalObjectProperty(), Scope::LookupRecursive(), Scope::MustAllocate(), Scope::MustAllocateInContext(), Scope::RecordEvalCall(), Scope::ResolveVariable(), Scope::ResolveVariablesRecursively(), and Rewriter::Rewrite().

bool is_module_scope ( ) const

inline

Definition at line 285 of file scopes.h.

References v8::internal::MODULE_SCOPE, and Scope::scope_type_.

Referenced by Scope::AllocateModulesRecursively(), Scope::AllocateVariables(), Scope::AllocateVariablesRecursively(), Scope::is_declaration_scope(), Scope::MustAllocate(), and Scope::MustAllocateInContext().

bool is_strict_eval_scope ( ) const

inline

Definition at line 294 of file scopes.h.

References Scope::is_eval_scope(), v8::internal::STRICT, and Scope::strict_mode_.

bool is_with_scope ( ) const

inline

Definition at line 289 of file scopes.h.

References Scope::scope_type_, and v8::internal::WITH_SCOPE.

Referenced by Scope::AllocateVariablesRecursively(), Scope::Initialize(), and Scope::LookupRecursive().

bool IsDeclared ( Handle< String >  name )

inline

Definition at line 416 of file scopes.h.

References VariableMap::Lookup(), v8::internal::NULL, and Scope::variables_.

Variable * LocalLookup

(

Handle< String >

name

)

Definition at line 392 of file scopes.cc.

References Variable::AllocateTo(), ASSERT, Variable::CONTEXT, VariableMap::Declare(), v8::internal::DYNAMIC, v8::internal::kCreatedInitialized, VariableMap::Lookup(), Variable::LOOKUP, v8::internal::mode(), Variable::NORMAL, v8::internal::NULL, and Scope::variables_.

Referenced by Scope::AllocateParameterLocals(), ModuleInfo::Create(), and Scope::LookupRecursive().

Variable * Lookup

(

Handle< String >

name

)

Definition at line 447 of file scopes.cc.

References v8::internal::NULL.

Variable * LookupFunctionVar	(	Handle< String >	name,
		AstNodeFactory< AstNullVisitor > *	factory
	)

Definition at line 423 of file scopes.cc.

References Variable::AllocateTo(), Variable::CONTEXT, Scope::DeclareFunctionVar(), Scope::function_, v8::internal::kCreatedInitialized, v8::internal::mode(), Variable::NORMAL, v8::internal::NULL, and Scope::zone().

Referenced by Scope::LookupRecursive().

Variable * LookupRecursive ( Handle< String >  name, BindingKind *  binding_kind, AstNodeFactory< AstNullVisitor > *  factory  )

protected

Definition at line 964 of file scopes.cc.

References Scope::already_resolved(), ASSERT, Scope::BOUND, Scope::BOUND_EVAL_SHADOWED, Scope::calls_sloppy_eval(), Scope::DYNAMIC_LOOKUP, Variable::ForceContextAllocation(), Scope::is_function_scope(), Scope::is_global_scope(), Scope::is_with_scope(), Scope::LocalLookup(), Scope::LookupFunctionVar(), Scope::LookupRecursive(), v8::internal::NULL, Scope::outer_scope_, Scope::UNBOUND, and Scope::UNBOUND_EVAL_SHADOWED.

Referenced by Scope::LookupRecursive(), and Scope::ResolveVariable().

Variable* module_var ( ) const

inline

Definition at line 378 of file scopes.h.

References Scope::module_var_.

bool MustAllocate ( Variable *  var )

protected

Definition at line 1172 of file scopes.cc.

References Variable::has_forced_context_allocation(), Scope::inner_scope_calls_eval_, Scope::is_block_scope(), Scope::is_catch_scope(), Scope::is_global_scope(), Scope::is_module_scope(), Variable::is_this(), Variable::is_used(), Variable::IsGlobalObjectProperty(), Variable::name(), Scope::scope_calls_eval_, Scope::scope_contains_with_, and Variable::set_is_used().

Referenced by Scope::AllocateNonParameterLocal(), and Scope::AllocateParameterLocals().

bool MustAllocateInContext ( Variable *  var )

protected

Definition at line 1192 of file scopes.cc.

References Variable::has_forced_context_allocation(), Scope::has_forced_context_allocation(), Scope::inner_scope_calls_eval_, v8::internal::INTERNAL, Scope::is_block_scope(), Scope::is_catch_scope(), Scope::is_global_scope(), Scope::is_module_scope(), v8::internal::IsLexicalVariableMode(), Variable::mode(), Scope::scope_calls_eval_, Scope::scope_contains_with_, and v8::internal::TEMPORARY.

Referenced by Scope::AllocateNonParameterLocal(), and Scope::AllocateParameterLocals().

Variable * NewInternal

(

Handle< String >

name

)

Definition at line 505 of file scopes.cc.

References Scope::already_resolved(), ASSERT, v8::internal::INTERNAL, Scope::internals_, v8::internal::kCreatedInitialized, Variable::NORMAL, and Scope::zone().

Referenced by Scope::AllocateModulesRecursively().

Variable * NewTemporary

(

Handle< String >

name

)

Definition at line 518 of file scopes.cc.

References Scope::already_resolved(), ASSERT, v8::internal::kCreatedInitialized, Variable::NORMAL, v8::internal::TEMPORARY, Scope::temps_, and Scope::zone().

Referenced by Rewriter::Rewrite().

VariableProxy* NewUnresolved ( AstNodeFactory< Visitor > *  factory, Handle< String >  name, Interface *  interface = Interface::NewValue(), int  position = RelocInfo::kNoPosition  )

inline

Definition at line 167 of file scopes.h.

References List< T, P >::Add(), Scope::already_resolved(), ASSERT, Scope::interface(), and Scope::unresolved_.

Referenced by ParserTraits::ExpressionFromIdentifier().

Variable * NonLocal ( Handle< String >  name, VariableMode  mode  )

protected

Definition at line 943 of file scopes.cc.

References Variable::AllocateTo(), VariableMap::Declare(), Scope::dynamics_, DynamicScopePart::GetMap(), v8::internal::kCreatedInitialized, v8::internal::kNeedsInitialization, VariableMap::Lookup(), Variable::LOOKUP, Variable::NORMAL, v8::internal::NULL, v8::internal::VAR, and Scope::zone().

Referenced by Scope::ResolveVariable().

int num_heap_slots ( ) const

inline

Definition at line 369 of file scopes.h.

References Scope::num_heap_slots_.

Referenced by Scope::ContextLocalCount(), ScopeInfo::Create(), and CompilationInfo::num_heap_slots().

int num_modules ( ) const

inline

Definition at line 375 of file scopes.h.

References Scope::num_modules_.

int num_parameters ( ) const

inline

Definition at line 338 of file scopes.h.

References Scope::params_.

Referenced by ScopeInfo::Create(), OptimizedCompileJob::CreateGraph(), CompilationInfo::num_parameters(), and HOptimizedGraphBuilder::SetUpScope().

int num_stack_slots ( ) const

inline

Definition at line 368 of file scopes.h.

References Scope::num_stack_slots_.

Referenced by ScopeInfo::Create(), OptimizedCompileJob::CreateGraph(), and Scope::StackLocalCount().

int num_var_or_const ( )

inline

Definition at line 365 of file scopes.h.

References Scope::num_var_or_const_.

Referenced by Scope::FinalizeBlockScope().

Scope* outer_scope ( ) const

inline

Definition at line 350 of file scopes.h.

References Scope::outer_scope_.

Referenced by Scope::Analyze(), Scope::DeclarationScope(), Scope::FinalizeBlockScope(), Scope::GlobalScope(), and Scope::Initialize().

bool outer_scope_calls_sloppy_eval ( ) const

inline

Definition at line 303 of file scopes.h.

References Scope::outer_scope_calls_sloppy_eval_.

Referenced by Scope::AllocateVariables(), and CompilationInfo::DisableOptimization().

Variable* parameter ( int  index ) const

inline

Definition at line 333 of file scopes.h.

References ASSERT, Scope::is_function_scope(), and Scope::params_.

Referenced by ScopeInfo::Create().

bool PropagateScopeInfo ( bool  outer_scope_calls_sloppy_eval )

protected

Definition at line 1151 of file scopes.cc.

References Scope::calls_sloppy_eval(), Scope::force_eager_compilation_, Scope::inner_scope_calls_eval_, Scope::inner_scopes_, Scope::outer_scope_calls_sloppy_eval_, Scope::PropagateScopeInfo(), and Scope::scope_calls_eval_.

Referenced by Scope::AllocateVariables(), Scope::DeserializeScopeChain(), and Scope::PropagateScopeInfo().

Variable* receiver ( )

inline

Definition at line 322 of file scopes.h.

References Scope::receiver_.

Referenced by Scope::Initialize(), and ParserTraits::ThisExpression().

void RecordEvalCall ( )

inline

Definition at line 234 of file scopes.h.

References Scope::is_global_scope(), and Scope::scope_calls_eval_.

Referenced by ParserTraits::CheckPossibleEvalCall().

void RecordWithStatement ( )

inline

Definition at line 231 of file scopes.h.

References Scope::scope_contains_with_.

Referenced by Scope::DeserializeScopeChain().

void RemoveUnresolved

(

VariableProxy *

var

)

Definition at line 493 of file scopes.cc.

References List< T, P >::Remove(), and Scope::unresolved_.

bool ResolveVariable ( CompilationInfo *  info, VariableProxy *  proxy, AstNodeFactory< AstNullVisitor > *  factory  )

protected

Definition at line 1027 of file scopes.cc.

References ASSERT, Scope::BOUND, Scope::BOUND_EVAL_SHADOWED, Scope::DeclareDynamicGlobal(), v8::internal::DYNAMIC, v8::internal::DYNAMIC_GLOBAL, v8::internal::DYNAMIC_LOCAL, Scope::DYNAMIC_LOOKUP, CompilationInfo::global_scope(), Variable::interface(), Variable::is_const_mode(), Variable::is_dynamic(), Scope::is_global_scope(), Variable::IsGlobalObjectProperty(), CompilationInfo::isolate(), Scope::LookupRecursive(), Variable::name(), Factory::NewJSArray(), Factory::NewSyntaxError(), NONE, Scope::NonLocal(), v8::internal::NULL, v8::internal::PrintF(), CompilationInfo::script(), Variable::set_local_if_not_shadowed(), JSObject::SetElement(), v8::internal::STRICT, Scope::strict_mode(), Scope::UNBOUND, Scope::UNBOUND_EVAL_SHADOWED, v8::internal::USE(), and Scope::zone().

Referenced by Scope::ResolveVariablesRecursively().

bool ResolveVariablesRecursively ( CompilationInfo *  info, AstNodeFactory< AstNullVisitor > *  factory  )

protected

Definition at line 1131 of file scopes.cc.

References ASSERT, CompilationInfo::global_scope(), Scope::inner_scopes_, Scope::is_global_scope(), Scope::ResolveVariable(), and Scope::unresolved_.

Referenced by Scope::AllocateVariables().

ScopeType scope_type ( ) const

inline

Definition at line 316 of file scopes.h.

References Scope::scope_type_.

Referenced by ScopeInfo::Create().

void set_end_position ( int  statement_pos )

inline

Definition at line 266 of file scopes.h.

References Scope::end_position_.

void set_start_position ( int  statement_pos )

inline

Definition at line 262 of file scopes.h.

References Scope::start_position_.

void SetIllegalRedeclaration

(

Expression *

expression

)

Definition at line 536 of file scopes.cc.

References ASSERT, Scope::HasIllegalRedeclaration(), and Scope::illegal_redecl_.

void SetScopeName ( Handle< String >  scope_name )

inline

Definition at line 111 of file scopes.h.

References Scope::scope_name_.

void SetStrictMode ( StrictMode  strict_mode )

inline

Definition at line 237 of file scopes.h.

References Scope::strict_mode(), and Scope::strict_mode_.

int StackLocalCount

(

)

const

Definition at line 1392 of file scopes.cc.

References Scope::function_, v8::internal::NULL, and Scope::num_stack_slots().

Referenced by ScopeInfo::Create().

int start_position ( ) const

inline

Definition at line 261 of file scopes.h.

References Scope::start_position_.

Referenced by Scope::GetNestedScopeChain().

StrictMode strict_mode ( ) const

inline

Definition at line 319 of file scopes.h.

References Scope::strict_mode_.

Referenced by Scope::AllocateParameterLocals(), ScopeInfo::Create(), Scope::ResolveVariable(), and Scope::SetStrictMode().

void VisitIllegalRedeclaration

(

AstVisitor *

visitor

)

Definition at line 545 of file scopes.cc.

References AstNode::Accept(), ASSERT, Scope::HasIllegalRedeclaration(), and Scope::illegal_redecl_.

Zone* zone ( ) const

inline

Definition at line 120 of file scopes.h.

Referenced by Scope::AddDeclaration(), Scope::AllocateNonParameterLocals(), Scope::CollectStackAndContextLocals(), Scope::DeclareParameter(), Scope::DeserializeScopeChain(), Scope::FinalizeBlockScope(), Scope::GetScopeInfo(), Scope::Initialize(), Scope::LookupFunctionVar(), Scope::NewInternal(), Scope::NewTemporary(), Scope::NonLocal(), and Scope::ResolveVariable().

Friends And Related Function Documentation

friend class ParserFactory

friend

Definition at line 435 of file scopes.h.

Field Documentation

bool already_resolved_

protected

Definition at line 502 of file scopes.h.

Referenced by Scope::already_resolved().

Variable* arguments_

protected

Definition at line 472 of file scopes.h.

Referenced by Scope::AllocateParameterLocals(), and Scope::arguments().

ZoneList<Declaration*> decls_

protected

Definition at line 466 of file scopes.h.

Referenced by Scope::AddDeclaration(), Scope::CheckConflictingVarDeclarations(), and Scope::declarations().

DynamicScopePart* dynamics_

protected

Definition at line 462 of file scopes.h.

Referenced by Scope::NonLocal().

int end_position_

protected

Definition at line 492 of file scopes.h.

Referenced by Scope::end_position(), and Scope::set_end_position().

bool force_context_allocation_

protected

Definition at line 498 of file scopes.h.

Referenced by Scope::ForceContextAllocation(), and Scope::has_forced_context_allocation().

bool force_eager_compilation_

protected

Definition at line 497 of file scopes.h.

Referenced by Scope::AllowsLazyCompilation(), Scope::AllowsLazyCompilationWithoutContext(), Scope::ForceEagerCompilation(), and Scope::PropagateScopeInfo().

VariableDeclaration* function_

protected

Definition at line 470 of file scopes.h.

Referenced by Scope::AllocateNonParameterLocals(), Scope::ContextLocalCount(), Scope::DeclareFunctionVar(), Scope::function(), Scope::LookupFunctionVar(), and Scope::StackLocalCount().

Expression* illegal_redecl_

protected

Definition at line 477 of file scopes.h.

Referenced by Scope::HasIllegalRedeclaration(), Scope::SetIllegalRedeclaration(), and Scope::VisitIllegalRedeclaration().

bool inner_scope_calls_eval_

protected

Definition at line 496 of file scopes.h.

Referenced by Scope::MustAllocate(), Scope::MustAllocateInContext(), and Scope::PropagateScopeInfo().

ZoneList<Scope*> inner_scopes_

protected

Definition at line 441 of file scopes.h.

Referenced by Scope::AllocateModulesRecursively(), Scope::AllocateVariablesRecursively(), Scope::FinalizeBlockScope(), Scope::GetNestedScopeChain(), Scope::Initialize(), Scope::inner_scopes(), Scope::PropagateScopeInfo(), and Scope::ResolveVariablesRecursively().

Interface* interface_

protected

Definition at line 474 of file scopes.h.

Referenced by Scope::AllocateModulesRecursively(), and Scope::interface().

ZoneList<Variable*> internals_

protected

Definition at line 456 of file scopes.h.

Referenced by Scope::AllocateNonParameterLocals(), Scope::CollectStackAndContextLocals(), Scope::FinalizeBlockScope(), and Scope::NewInternal().

Isolate* const isolate_

protected

Definition at line 437 of file scopes.h.

Referenced by Scope::AllocateModulesRecursively(), Scope::AllocateNonParameterLocal(), Scope::AllocateParameterLocals(), Scope::HasArgumentsParameter(), and Scope::Initialize().

Variable* module_var_

protected

Definition at line 515 of file scopes.h.

Referenced by Scope::AllocateModulesRecursively(), and Scope::module_var().

int num_heap_slots_

protected

Definition at line 509 of file scopes.h.

Referenced by Scope::AllocateHeapSlot(), Scope::AllocateVariablesRecursively(), and Scope::num_heap_slots().

int num_modules_

protected

Definition at line 512 of file scopes.h.

Referenced by Scope::AllocateModulesRecursively(), Scope::AllocateVariables(), and Scope::num_modules().

int num_stack_slots_

protected

Definition at line 508 of file scopes.h.

Referenced by Scope::AllocateStackSlot(), Scope::AllocateVariablesRecursively(), and Scope::num_stack_slots().

int num_var_or_const_

protected

Definition at line 505 of file scopes.h.

Referenced by Scope::DeclareLocal(), and Scope::num_var_or_const().

Scope* outer_scope_

protected

Definition at line 440 of file scopes.h.

Referenced by Scope::AllocateVariables(), Scope::CheckConflictingVarDeclarations(), Scope::ContextChainLength(), Scope::FinalizeBlockScope(), Scope::HasLazyCompilableOuterContext(), Scope::HasTrivialOuterContext(), Scope::Initialize(), Scope::LookupRecursive(), and Scope::outer_scope().

bool outer_scope_calls_sloppy_eval_

protected

Definition at line 495 of file scopes.h.

Referenced by Scope::outer_scope_calls_sloppy_eval(), and Scope::PropagateScopeInfo().

ZoneList<Variable*> params_

protected

Definition at line 460 of file scopes.h.

Referenced by Scope::AllocateParameterLocals(), Scope::DeclareParameter(), Scope::FinalizeBlockScope(), Scope::HasArgumentsParameter(), Scope::num_parameters(), and Scope::parameter().

Variable* receiver_

protected

Definition at line 468 of file scopes.h.

Referenced by Scope::Initialize(), and Scope::receiver().

bool scope_calls_eval_

protected

Definition at line 487 of file scopes.h.

Referenced by Scope::calls_eval(), Scope::calls_sloppy_eval(), Scope::MustAllocate(), Scope::MustAllocateInContext(), Scope::PropagateScopeInfo(), and Scope::RecordEvalCall().

bool scope_contains_with_

protected

Definition at line 484 of file scopes.h.

Referenced by Scope::contains_with(), Scope::MustAllocate(), Scope::MustAllocateInContext(), and Scope::RecordWithStatement().

Handle<ScopeInfo> scope_info_

protected

Definition at line 518 of file scopes.h.

Referenced by Scope::GetScopeInfo().

bool scope_inside_with_

protected

Definition at line 482 of file scopes.h.

Referenced by Scope::DeserializeScopeChain(), Scope::HasTrivialOuterContext(), Scope::Initialize(), and Scope::inside_with().

Handle<String> scope_name_

protected

Definition at line 447 of file scopes.h.

Referenced by Scope::SetScopeName().

ScopeType scope_type_

protected

Definition at line 444 of file scopes.h.

Referenced by Scope::is_block_scope(), Scope::is_catch_scope(), Scope::is_eval_scope(), Scope::is_function_scope(), Scope::is_global_scope(), Scope::is_module_scope(), Scope::is_with_scope(), and Scope::scope_type().

int start_position_

protected

Definition at line 491 of file scopes.h.

Referenced by Scope::set_start_position(), and Scope::start_position().

StrictMode strict_mode_

protected

Definition at line 489 of file scopes.h.

Referenced by Scope::calls_sloppy_eval(), Scope::is_strict_eval_scope(), Scope::SetStrictMode(), and Scope::strict_mode().

ZoneList<Variable*> temps_

protected

Definition at line 458 of file scopes.h.

Referenced by Scope::AllocateNonParameterLocals(), Scope::CollectStackAndContextLocals(), Scope::FinalizeBlockScope(), and Scope::NewTemporary().

ZoneList<VariableProxy*> unresolved_

protected

Definition at line 464 of file scopes.h.

Referenced by Scope::FinalizeBlockScope(), Scope::NewUnresolved(), Scope::RemoveUnresolved(), and Scope::ResolveVariablesRecursively().

VariableMap variables_

protected

Definition at line 454 of file scopes.h.

Referenced by Scope::AllocateNonParameterLocals(), Scope::CheckConflictingVarDeclarations(), Scope::CollectStackAndContextLocals(), Scope::DeclareDynamicGlobal(), Scope::DeclareLocal(), Scope::DeclareParameter(), Scope::Initialize(), Scope::IsDeclared(), and Scope::LocalLookup().

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

• src/scopes.h
• src/scopes.cc