dart::kernel::FunctionNodeHelper Class Reference

#include <kernel_translation_helper.h>

Public Types
enum	Field {   kStart , kPosition , kEndPosition , kAsyncMarker ,   kDartAsyncMarker , kTypeParameters , kTotalParameterCount , kRequiredParameterCount ,   kPositionalParameters , kNamedParameters , kReturnType , kEmittedValueType ,   kRedirectingFactoryTarget , kBody , kEnd }
enum	AsyncMarker : intptr_t { kSync = 0 , kSyncStar = 1 , kAsync = 2 , kAsyncStar = 3 }

Public Member Functions
	FunctionNodeHelper (KernelReaderHelper *helper)
void	ReadUntilIncluding (Field field)
void	ReadUntilExcluding (Field field)
void	SetNext (Field field)
void	SetJustRead (Field field)

Public Attributes
TokenPosition	position_ = TokenPosition::kNoSource
TokenPosition	end_position_ = TokenPosition::kNoSource
AsyncMarker	async_marker_
AsyncMarker	dart_async_marker_
intptr_t	total_parameter_count_ = 0
intptr_t	required_parameter_count_ = 0

Detailed Description

Definition at line 283 of file kernel_translation_helper.h.

Member Enumeration Documentation

AsyncMarker

enum dart::kernel::FunctionNodeHelper::AsyncMarker : intptr_t

Enumerator
kSync
kSyncStar
kAsync
kAsyncStar

Definition at line 303 of file kernel_translation_helper.h.

                   : intptr_t {
    kSync = 0,
    kSyncStar = 1,
    kAsync = 2,
    kAsyncStar = 3,
  };

Field

enum dart::kernel::FunctionNodeHelper::Field

Enumerator
kStart
kPosition
kEndPosition
kAsyncMarker
kDartAsyncMarker
kTypeParameters
kTotalParameterCount
kRequiredParameterCount
kPositionalParameters
kNamedParameters
kReturnType
kEmittedValueType
kRedirectingFactoryTarget
kBody
kEnd

Definition at line 285 of file kernel_translation_helper.h.

             {
    kStart,  // tag.
    kPosition,
    kEndPosition,
    kAsyncMarker,
    kDartAsyncMarker,
    kTypeParameters,
    kTotalParameterCount,
    kRequiredParameterCount,
    kPositionalParameters,
    kNamedParameters,
    kReturnType,
    kEmittedValueType,
    kRedirectingFactoryTarget,
    kBody,
    kEnd,
  };

Constructor & Destructor Documentation

FunctionNodeHelper()

dart::kernel::FunctionNodeHelper::FunctionNodeHelper ( KernelReaderHelper *  helper )

inlineexplicit

Definition at line 310 of file kernel_translation_helper.h.

                                                          {
    helper_ = helper;
    next_read_ = kStart;
  }

Member Function Documentation

ReadUntilExcluding()

void dart::kernel::FunctionNodeHelper::ReadUntilExcluding

(

Field

field

)

Definition at line 935 of file kernel_translation_helper.cc.

                                                       {
  if (field <= next_read_) return;
 
  // Ordered with fall-through.
  switch (next_read_) {
    case kStart: {
      Tag tag = helper_->ReadTag();  // read tag.
      ASSERT(tag == kFunctionNode);
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kPosition:
      position_ = helper_->ReadPosition();  // read position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEndPosition:
      end_position_ = helper_->ReadPosition();  // read end position.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kAsyncMarker:
      async_marker_ = static_cast<AsyncMarker>(helper_->ReadByte());
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kDartAsyncMarker:
      dart_async_marker_ = static_cast<AsyncMarker>(
          helper_->ReadByte());  // read dart async marker.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kTypeParameters:
      helper_->SkipTypeParametersList();  // read type parameters.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kTotalParameterCount:
      total_parameter_count_ =
          helper_->ReadUInt();  // read total parameter count.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kRequiredParameterCount:
      required_parameter_count_ =
          helper_->ReadUInt();  // read required parameter count.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kPositionalParameters:
      helper_->SkipListOfVariableDeclarations();  // read positionals.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kNamedParameters:
      helper_->SkipListOfVariableDeclarations();  // read named.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kReturnType:
      helper_->SkipDartType();  // read return type.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEmittedValueType:
      helper_->SkipOptionalDartType();  // read emitted value type.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kRedirectingFactoryTarget: {
      Tag tag = helper_->ReadTag();  // read tag.
      if (tag == kSomething) {
        helper_->ReadCanonicalNameReference();  // read target.
        tag = helper_->ReadTag();
        if (tag == kSomething) {
          helper_->SkipListOfDartTypes();  // read type arguments.
        } else {
          ASSERT(tag == kNothing);
        }
        tag = helper_->ReadTag();
        if (tag == kSomething) {
          helper_->ReadStringReference();  // read error message.
        } else {
          ASSERT(tag == kNothing);
        }
      } else {
        ASSERT(tag == kNothing);
      }
      if (++next_read_ == field) return;
    }
      FALL_THROUGH;
    case kBody:
      if (helper_->ReadTag() == kSomething)
        helper_->SkipStatement();  // read body.
      if (++next_read_ == field) return;
      FALL_THROUGH;
    case kEnd:
      return;
  }
}

ReadUntilIncluding()

void dart::kernel::FunctionNodeHelper::ReadUntilIncluding ( Field  field )

inline

Definition at line 315 of file kernel_translation_helper.h.

                                       {
    ReadUntilExcluding(static_cast<Field>(static_cast<int>(field) + 1));
  }

SetJustRead()

void dart::kernel::FunctionNodeHelper::SetJustRead ( Field  field )

inline

Definition at line 322 of file kernel_translation_helper.h.

{ next_read_ = field + 1; }

SetNext()

void dart::kernel::FunctionNodeHelper::SetNext ( Field  field )

inline

Definition at line 321 of file kernel_translation_helper.h.

{ next_read_ = field; }

Member Data Documentation

async_marker_

AsyncMarker dart::kernel::FunctionNodeHelper::async_marker_

Definition at line 326 of file kernel_translation_helper.h.

dart_async_marker_

AsyncMarker dart::kernel::FunctionNodeHelper::dart_async_marker_

Definition at line 327 of file kernel_translation_helper.h.

end_position_

TokenPosition dart::kernel::FunctionNodeHelper::end_position_ = TokenPosition::kNoSource

Definition at line 325 of file kernel_translation_helper.h.

position_

TokenPosition dart::kernel::FunctionNodeHelper::position_ = TokenPosition::kNoSource

Definition at line 324 of file kernel_translation_helper.h.

required_parameter_count_

intptr_t dart::kernel::FunctionNodeHelper::required_parameter_count_ = 0

Definition at line 329 of file kernel_translation_helper.h.

total_parameter_count_

intptr_t dart::kernel::FunctionNodeHelper::total_parameter_count_ = 0

Definition at line 328 of file kernel_translation_helper.h.

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

• third_party/dart-lang/sdk/runtime/vm/compiler/frontend/kernel_translation_helper.h
• third_party/dart-lang/sdk/runtime/vm/compiler/frontend/kernel_translation_helper.cc