v8::internal::PredictableCodeSizeScope Class Reference

#include <assembler.h>

Collaboration diagram for v8::internal::PredictableCodeSizeScope:

Public Member Functions
	PredictableCodeSizeScope (AssemblerBase *assembler, int expected_size)
	~PredictableCodeSizeScope ()

Private Attributes
AssemblerBase *	assembler_
int	expected_size_
int	start_offset_
bool	old_value_

Detailed Description

Definition at line 132 of file assembler.h.

Constructor & Destructor Documentation

PredictableCodeSizeScope()

v8::internal::PredictableCodeSizeScope::PredictableCodeSizeScope	(	AssemblerBase *	assembler,
		int	expected_size
	)

Definition at line 156 of file assembler.cc.

    : assembler_(assembler),
      expected_size_(expected_size),
      start_offset_(assembler->pc_offset()),
      old_value_(assembler->predictable_code_size()) {
  assembler_->set_predictable_code_size(true);
}

References assembler_, and v8::internal::AssemblerBase::set_predictable_code_size().

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~PredictableCodeSizeScope()

v8::internal::PredictableCodeSizeScope::~PredictableCodeSizeScope

(

)

Definition at line 166 of file assembler.cc.

                                                    {
  // TODO(svenpanne) Remove the 'if' when everything works.
  if (expected_size_ >= 0) {
    CHECK_EQ(expected_size_, assembler_->pc_offset() - start_offset_);
  }
  assembler_->set_predictable_code_size(old_value_);
}

References assembler_, CHECK_EQ, expected_size_, old_value_, v8::internal::AssemblerBase::pc_offset(), v8::internal::AssemblerBase::set_predictable_code_size(), and start_offset_.

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Member Data Documentation

assembler_

AssemblerBase* v8::internal::PredictableCodeSizeScope::assembler_

private

Definition at line 138 of file assembler.h.

Referenced by PredictableCodeSizeScope(), and ~PredictableCodeSizeScope().

expected_size_

int v8::internal::PredictableCodeSizeScope::expected_size_

private

Definition at line 139 of file assembler.h.

Referenced by ~PredictableCodeSizeScope().

old_value_

bool v8::internal::PredictableCodeSizeScope::old_value_

private

Definition at line 141 of file assembler.h.

Referenced by ~PredictableCodeSizeScope().

start_offset_

int v8::internal::PredictableCodeSizeScope::start_offset_

private

Definition at line 140 of file assembler.h.

Referenced by ~PredictableCodeSizeScope().

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

• /mnt/V8SourceCode/src/assembler.h
• /mnt/V8SourceCode/src/assembler.cc