dart::BootstrapNatives Class Reference

#include <bootstrap_natives.h>

Inheritance diagram for dart::BootstrapNatives:

Static Public Member Functions
static Dart_NativeFunction	Lookup (Dart_Handle name, int argument_count, bool *auto_setup_scope)
static void *	LookupFfiNative (const char *name, uintptr_t argument_count)
static const uint8_t *	Symbol (Dart_NativeFunction nf)

Detailed Description

Definition at line 373 of file bootstrap_natives.h.

Member Function Documentation

Lookup()

Dart_NativeFunction dart::BootstrapNatives::Lookup ( Dart_Handle  name, int  argument_count, bool *  auto_setup_scope  )

static

Definition at line 43 of file bootstrap_natives.cc.

                                                                     {
  Thread* thread = Thread::Current();
  TransitionNativeToVM transition(thread);
  const Object& obj = Object::Handle(thread->zone(), Api::UnwrapHandle(name));
  if (!obj.IsString()) {
    return nullptr;
  }
  ASSERT(auto_setup_scope);
  *auto_setup_scope = false;
  const char* function_name = obj.ToCString();
  ASSERT(function_name != nullptr);
  int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries);
  for (int i = 0; i < num_entries; i++) {
    const struct NativeEntries* entry = &(BootStrapEntries[i]);
    if ((strcmp(function_name, entry->name_) == 0) &&
        (entry->argument_count_ == argument_count)) {
      return reinterpret_cast<Dart_NativeFunction>(entry->function_);
    }
  }
  return nullptr;
}

LookupFfiNative()

void * dart::BootstrapNatives::LookupFfiNative ( const char *  name, uintptr_t  argument_count  )

static

Definition at line 67 of file bootstrap_natives.cc.

                                                                  {
  int num_entries =
      sizeof(BootStrapFfiEntries) / sizeof(struct FfiNativeEntries);
  for (int i = 0; i < num_entries; i++) {
    const struct FfiNativeEntries* entry = &(BootStrapFfiEntries[i]);
    if (strcmp(name, entry->name_) == 0) {
      return entry->function_;
    }
  }
  return nullptr;
}

Symbol()

const uint8_t * dart::BootstrapNatives::Symbol ( Dart_NativeFunction  nf )

static

Definition at line 80 of file bootstrap_natives.cc.

                                                              {
  int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries);
  for (int i = 0; i < num_entries; i++) {
    const struct NativeEntries* entry = &(BootStrapEntries[i]);
    if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
      return reinterpret_cast<const uint8_t*>(entry->name_);
    }
  }
  return nullptr;
}

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

• third_party/dart-lang/sdk/runtime/vm/bootstrap_natives.h
• third_party/dart-lang/sdk/runtime/vm/bootstrap_natives.cc