dart::NativeArguments Class Reference

#include <native_arguments.h>

Public Member Functions
Thread *	thread () const
int	ArgCount () const
ObjectPtr	ArgAt (int index) const
void	SetArgAt (int index, const Object &value) const
int	NativeArgCount () const
ObjectPtr	NativeArg0 () const
ObjectPtr	NativeArgAt (int index) const
TypeArgumentsPtr	NativeTypeArgs () const
int	NativeTypeArgCount () const
AbstractTypePtr	NativeTypeArgAt (int index) const
void	SetReturn (const Object &value) const
ObjectPtr	ReturnValue () const

Static Public Member Functions
static intptr_t	thread_offset ()
static intptr_t	argc_tag_offset ()
static intptr_t	argv_offset ()
static intptr_t	retval_offset ()
static intptr_t	ParameterCountForResolution (const Function &function)
static int	ComputeArgcTag (const Function &function)

Friends
class	Api
class	NativeEntry
class	Simulator

Detailed Description

Definition at line 76 of file native_arguments.h.

Member Function Documentation

ArgAt()

ObjectPtr dart::NativeArguments::ArgAt ( int  index ) const

inline

Definition at line 83 of file native_arguments.h.

                                   {
    ASSERT((index >= 0) && (index < ArgCount()));
    ObjectPtr* arg_ptr = &(argv_[-index]);
    // Tell MemorySanitizer the ObjectPtr was initialized (by generated code).
    MSAN_UNPOISON(arg_ptr, kWordSize);
    return *arg_ptr;
  }

argc_tag_offset()

static intptr_t dart::NativeArguments::argc_tag_offset ( )

inlinestatic

Definition at line 159 of file native_arguments.h.

                                    {
    return OFFSET_OF(NativeArguments, argc_tag_);
  }

ArgCount()

int dart::NativeArguments::ArgCount ( ) const

inline

Definition at line 81 of file native_arguments.h.

{ return ArgcBits::decode(argc_tag_); }

argv_offset()

static intptr_t dart::NativeArguments::argv_offset ( )

inlinestatic

Definition at line 162 of file native_arguments.h.

{ return OFFSET_OF(NativeArguments, argv_); }

ComputeArgcTag()

static int dart::NativeArguments::ComputeArgcTag ( const Function &  function )

inlinestatic

Definition at line 174 of file native_arguments.h.

                                                      {
    ASSERT(function.is_old_native());
    ASSERT(!function.IsGenerativeConstructor());  // Not supported.
    ASSERT(!function.IsClosureFunction());        // Not supported.
    int argc = function.NumParameters();
    int function_bits = 0;
    if (function.IsGeneric()) {
      function_bits |= kGenericFunctionBit;
      argc++;
    }
    int tag = ArgcBits::encode(argc);
    tag = FunctionBits::update(function_bits, tag);
    return tag;
  }

NativeArg0()

ObjectPtr dart::NativeArguments::NativeArg0 ( ) const

inline

Definition at line 103 of file native_arguments.h.

                               {
    int function_bits = FunctionBits::decode(argc_tag_);
    return ArgAt(NumHiddenArgs(function_bits));
  }

NativeArgAt()

ObjectPtr dart::NativeArguments::NativeArgAt ( int  index ) const

inline

Definition at line 108 of file native_arguments.h.

                                         {
    ASSERT((index >= 0) && (index < NativeArgCount()));
    if (index == 0) {
      return NativeArg0();
    }
    int function_bits = FunctionBits::decode(argc_tag_);
    const int actual_index = index + NumHiddenArgs(function_bits);
    return ArgAt(actual_index);
  }

NativeArgCount()

int dart::NativeArguments::NativeArgCount ( ) const

inline

Definition at line 98 of file native_arguments.h.

                             {
    int function_bits = FunctionBits::decode(argc_tag_);
    return ArgCount() - NumHiddenArgs(function_bits);
  }

NativeTypeArgAt()

AbstractTypePtr dart::NativeArguments::NativeTypeArgAt ( int  index ) const

inline

Definition at line 135 of file native_arguments.h.

                                                   {
    ASSERT((index >= 0) && (index < NativeTypeArgCount()));
    TypeArguments& type_args = TypeArguments::Handle(NativeTypeArgs());
    if (type_args.IsNull()) {
      // null vector represents infinite list of dynamics
      return Type::dynamic_type().ptr();
    }
    return type_args.TypeAt(index);
  }

NativeTypeArgCount()

int dart::NativeArguments::NativeTypeArgCount ( ) const

inline

Definition at line 123 of file native_arguments.h.

                                 {
    if (ToGenericFunction()) {
      TypeArguments& type_args = TypeArguments::Handle(NativeTypeArgs());
      if (type_args.IsNull()) {
        // null vector represents infinite list of dynamics
        return INT_MAX;
      }
      return type_args.Length();
    }
    return 0;
  }

NativeTypeArgs()

TypeArgumentsPtr dart::NativeArguments::NativeTypeArgs ( ) const

inline

Definition at line 118 of file native_arguments.h.

                                          {
    ASSERT(ToGenericFunction());
    return TypeArguments::RawCast(ArgAt(0));
  }

ParameterCountForResolution()

static intptr_t dart::NativeArguments::ParameterCountForResolution ( const Function &  function )

inlinestatic

Definition at line 167 of file native_arguments.h.

                                                                        {
    ASSERT(function.is_old_native());
    ASSERT(!function.IsGenerativeConstructor());  // Not supported.
    ASSERT(!function.IsClosureFunction());        // Not supported.
    return function.NumParameters();
  }

ReturnValue()

ObjectPtr dart::NativeArguments::ReturnValue ( ) const

inline

Definition at line 150 of file native_arguments.h.

                                {
    // Tell MemorySanitizer the retval_ was initialized (by generated code).
    MSAN_UNPOISON(retval_, kWordSize);
    return *retval_;
  }

retval_offset()

static intptr_t dart::NativeArguments::retval_offset ( )

inlinestatic

Definition at line 163 of file native_arguments.h.

                                  {
    return OFFSET_OF(NativeArguments, retval_);
  }

SetArgAt()

void dart::NativeArguments::SetArgAt ( int  index, const Object &  value  ) const

inline

Definition at line 91 of file native_arguments.h.

                                                      {
    ASSERT(thread_->execution_state() == Thread::kThreadInVM);
    ASSERT((index >= 0) && (index < ArgCount()));
    argv_[-index] = value.ptr();
  }

SetReturn()

void dart::NativeArguments::SetReturn ( const Object &  value ) const

inline

Definition at line 145 of file native_arguments.h.

                                            {
    ASSERT(thread_->execution_state() == Thread::kThreadInVM);
    *retval_ = value.ptr();
  }

thread()

Thread * dart::NativeArguments::thread ( ) const

inline

Definition at line 78 of file native_arguments.h.

{ return thread_; }

thread_offset()

static intptr_t dart::NativeArguments::thread_offset ( )

inlinestatic

Definition at line 156 of file native_arguments.h.

                                  {
    return OFFSET_OF(NativeArguments, thread_);
  }

Friends And Related Symbol Documentation

Api

friend class Api

friend

Definition at line 202 of file native_arguments.h.

NativeEntry

friend class NativeEntry

friend

Definition at line 203 of file native_arguments.h.

Simulator

friend class Simulator

friend

Definition at line 204 of file native_arguments.h.

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

• third_party/dart-lang/sdk/runtime/vm/native_arguments.h