dart::NullErrorSlowPath Class Reference

#include <flow_graph_compiler.h>

Inheritance diagram for dart::NullErrorSlowPath:

Public Member Functions
	NullErrorSlowPath (CheckNullInstr *instruction)
CheckNullInstr::ExceptionType	exception_type () const
const char *	name () override
void	EmitSharedStubCall (FlowGraphCompiler *compiler, bool save_fpu_registers) override
void	AddMetadataForRuntimeCall (FlowGraphCompiler *compiler) override
Public Member Functions inherited from dart::ThrowErrorSlowPathCode
	ThrowErrorSlowPathCode (Instruction *instruction, const RuntimeEntry &runtime_entry)
virtual void	EmitCodeAtSlowPathEntry (FlowGraphCompiler *compiler)
virtual void	PushArgumentsForRuntimeCall (FlowGraphCompiler *compiler)
virtual intptr_t	GetNumberOfArgumentsForRuntimeCall ()
virtual void	EmitNativeCode (FlowGraphCompiler *compiler)
Public Member Functions inherited from dart::TemplateSlowPathCode< Instruction >
	TemplateSlowPathCode (Instruction *instruction)
Instruction *	instruction () const
Public Member Functions inherited from dart::SlowPathCode
	SlowPathCode (Instruction *instruction)
virtual	~SlowPathCode ()
Instruction *	instruction () const
compiler::Label *	entry_label ()
compiler::Label *	exit_label ()
void	GenerateCode (FlowGraphCompiler *compiler)
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

Static Public Member Functions
static CodePtr	GetStub (FlowGraphCompiler *compiler, CheckNullInstr::ExceptionType exception_type, bool save_fpu_registers)

Detailed Description

Definition at line 243 of file flow_graph_compiler.h.

Constructor & Destructor Documentation

NullErrorSlowPath()

dart::NullErrorSlowPath::NullErrorSlowPath ( CheckNullInstr *  instruction )

inlineexplicit

Definition at line 245 of file flow_graph_compiler.h.

      : ThrowErrorSlowPathCode(instruction,
                               GetRuntimeEntry(instruction->exception_type())) {
  }

Member Function Documentation

AddMetadataForRuntimeCall()

void dart::NullErrorSlowPath::AddMetadataForRuntimeCall ( FlowGraphCompiler *  compiler )

inlineoverridevirtual

Reimplemented from dart::ThrowErrorSlowPathCode.

Definition at line 259 of file flow_graph_compiler.h.

                                                                       {
    CheckNullInstr::AddMetadataForRuntimeCall(instruction()->AsCheckNull(),
                                              compiler);
  }

EmitSharedStubCall()

void dart::NullErrorSlowPath::EmitSharedStubCall ( FlowGraphCompiler *  compiler, bool  save_fpu_registers  )

overridevirtual

Reimplemented from dart::ThrowErrorSlowPathCode.

Definition at line 3191 of file flow_graph_compiler.cc.

                                                                    {
#if defined(TARGET_ARCH_IA32)
  UNREACHABLE();
#else
  const auto& stub =
      Code::ZoneHandle(compiler->zone(),
                       GetStub(compiler, exception_type(), save_fpu_registers));
  compiler->EmitCallToStub(stub);
#endif
}

exception_type()

CheckNullInstr::ExceptionType dart::NullErrorSlowPath::exception_type ( ) const

inline

Definition at line 250 of file flow_graph_compiler.h.

                                                     {
    return instruction()->AsCheckNull()->exception_type();
  }

GetStub()

CodePtr dart::NullErrorSlowPath::GetStub ( FlowGraphCompiler *  compiler, CheckNullInstr::ExceptionType  exception_type, bool  save_fpu_registers  )

static

Definition at line 3170 of file flow_graph_compiler.cc.

                                                            {
  auto object_store = compiler->isolate_group()->object_store();
  switch (exception_type) {
    case CheckNullInstr::kNoSuchMethod:
      return save_fpu_registers
                 ? object_store->null_error_stub_with_fpu_regs_stub()
                 : object_store->null_error_stub_without_fpu_regs_stub();
    case CheckNullInstr::kArgumentError:
      return save_fpu_registers
                 ? object_store->null_arg_error_stub_with_fpu_regs_stub()
                 : object_store->null_arg_error_stub_without_fpu_regs_stub();
    case CheckNullInstr::kCastError:
      return save_fpu_registers
                 ? object_store->null_cast_error_stub_with_fpu_regs_stub()
                 : object_store->null_cast_error_stub_without_fpu_regs_stub();
  }
  UNREACHABLE();
}

name()

const char * dart::NullErrorSlowPath::name ( )

overridevirtual

Implements dart::ThrowErrorSlowPathCode.

Definition at line 3145 of file flow_graph_compiler.cc.

                                    {
  switch (exception_type()) {
    case CheckNullInstr::kNoSuchMethod:
      return "check null (nsm)";
    case CheckNullInstr::kArgumentError:
      return "check null (arg)";
    case CheckNullInstr::kCastError:
      return "check null (cast)";
  }
  UNREACHABLE();
}

---

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

• third_party/dart-lang/sdk/runtime/vm/compiler/backend/flow_graph_compiler.h
• third_party/dart-lang/sdk/runtime/vm/compiler/backend/flow_graph_compiler.cc