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 79 of file native_arguments.h.

Member Function Documentation

ArgAt()

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

inline

Definition at line 86 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 162 of file native_arguments.h.

                                    {
    return OFFSET_OF(NativeArguments, argc_tag_);
  }

ArgCount()

int dart::NativeArguments::ArgCount ( ) const

inline

Definition at line 84 of file native_arguments.h.

{ return ArgcBits::decode(argc_tag_); }

argv_offset()

static intptr_t dart::NativeArguments::argv_offset ( )

inlinestatic

Definition at line 165 of file native_arguments.h.

{ return OFFSET_OF(NativeArguments, argv_); }

ComputeArgcTag()

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

inlinestatic

Definition at line 177 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 106 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 111 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 101 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 138 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 126 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 121 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 170 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 153 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 166 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 94 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 148 of file native_arguments.h.

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

thread()

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

inline

Definition at line 81 of file native_arguments.h.

{ return thread_; }

thread_offset()

static intptr_t dart::NativeArguments::thread_offset ( )

inlinestatic

Definition at line 159 of file native_arguments.h.

                                  {
    return OFFSET_OF(NativeArguments, thread_);
  }

Friends And Related Function Documentation

Api

friend class Api

friend

Definition at line 205 of file native_arguments.h.

NativeEntry

friend class NativeEntry

friend

Definition at line 206 of file native_arguments.h.

Simulator

friend class Simulator

friend

Definition at line 207 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