native_functions.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "include/dart_api.h"

Go to the source code of this file.

Macros
#define	ENSURE(X)
#define	ENSURE_VALID(X)   ENSURE(!Dart_IsError(X))

Functions
void	Function1Uint8 (Dart_NativeArguments args)
void	Function20Int64 (Dart_NativeArguments args)
void	Function1Double (Dart_NativeArguments args)
void	Function20Double (Dart_NativeArguments args)
void	Function1Handle (Dart_NativeArguments args)
void	Function20Handle (Dart_NativeArguments args)
DART_EXPORT Dart_Handle	GetRootLibraryUrl ()
Dart_NativeFunction	NativeEntryResolver (Dart_Handle name, int num_of_arguments, bool *auto_setup_scope)
DART_EXPORT void	SetNativeResolverForTest (Dart_Handle url)

Macro Definition Documentation

ENSURE

#define ENSURE

(

X

)

Value:

  if (!(X)) {                                                                  \
    fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, "Check failed: " #X);   \
    exit(1);                                                                   \
  }

Definition at line 14 of file native_functions.c.

            {                                                                  \
    fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, "Check failed: " #X);   \
    exit(1);                                                                   \
  }

ENSURE_VALID

#define ENSURE_VALID

(

X

)

ENSURE(!Dart_IsError(X))

Definition at line 20 of file native_functions.c.

Function Documentation

Function1Double()

void Function1Double

(

Dart_NativeArguments

args

)

Definition at line 42 of file native_functions.c.

                                                {
  double arg = 0.0;
  Dart_GetNativeDoubleArgument(args, /*index=*/0, &arg);
  Dart_SetDoubleReturnValue(args, arg + 42.0);
}

Function1Handle()

void Function1Handle

(

Dart_NativeArguments

args

)

Definition at line 58 of file native_functions.c.

                                                {
  Dart_Handle arg = Dart_GetNativeArgument(args, /*index=*/0);
  Dart_SetReturnValue(args, arg);
}

Function1Uint8()

void Function1Uint8

(

Dart_NativeArguments

args

)

Definition at line 26 of file native_functions.c.

                                               {
  int64_t arg = 0;
  Dart_GetNativeIntegerArgument(args, /*index=*/0, &arg);
  Dart_SetIntegerReturnValue(args, arg + 42);
}

Function20Double()

void Function20Double

(

Dart_NativeArguments

args

)

Definition at line 48 of file native_functions.c.

                                                 {
  double arg = 0;
  double result = 0;
  for (int i = 0; i < 20; i++) {
    Dart_GetNativeDoubleArgument(args, /*index=*/i, &arg);
    result += arg;
  }
  Dart_SetDoubleReturnValue(args, result);
}

Function20Handle()

void Function20Handle

(

Dart_NativeArguments

args

)

Definition at line 63 of file native_functions.c.

                                                 {
  Dart_Handle arg = Dart_GetNativeArgument(args, /*index=*/0);
  Dart_SetReturnValue(args, arg);
}

Function20Int64()

void Function20Int64

(

Dart_NativeArguments

args

)

Definition at line 32 of file native_functions.c.

                                                {
  int64_t arg = 0;
  int64_t result = 0;
  for (int i = 0; i < 20; i++) {
    Dart_GetNativeIntegerArgument(args, /*index=*/i, &arg);
    result += arg;
  }
  Dart_SetIntegerReturnValue(args, result);
}

GetRootLibraryUrl()

DART_EXPORT Dart_Handle GetRootLibraryUrl

(

)

Definition at line 72 of file native_functions.c.

                                            {
  Dart_Handle root_lib = Dart_RootLibrary();
  Dart_Handle lib_url = Dart_LibraryUrl(root_lib);
  ENSURE_VALID(lib_url);
  return lib_url;
}

NativeEntryResolver()

Dart_NativeFunction NativeEntryResolver	(	Dart_Handle	name,
		int	num_of_arguments,
		bool *	auto_setup_scope
	)

Definition at line 79 of file native_functions.c.

                                                                {
  ENSURE(Dart_IsString(name));
 
  ENSURE(auto_setup_scope != NULL);
  *auto_setup_scope = true;
 
  const char* name_str = NULL;
  ENSURE_VALID(Dart_StringToCString(name, &name_str));
 
  if (strcmp(name_str, "Function1Uint8") == 0 && num_of_arguments == 1) {
    return &Function1Uint8;
  } else if (strcmp(name_str, "Function20Int64") == 0 &&
             num_of_arguments == 20) {
    return &Function20Int64;
  } else if (strcmp(name_str, "Function1Double") == 0 &&
             num_of_arguments == 1) {
    return &Function1Double;
  } else if (strcmp(name_str, "Function20Double") == 0 &&
             num_of_arguments == 20) {
    return &Function20Double;
  } else if (strcmp(name_str, "Function1Handle") == 0 &&
             num_of_arguments == 1) {
    return &Function1Handle;
  } else if (strcmp(name_str, "Function20Handle") == 0 &&
             num_of_arguments == 20) {
    return &Function20Handle;
  }
 
  // Unreachable in benchmark.
  ENSURE(false);
}

SetNativeResolverForTest()

DART_EXPORT void SetNativeResolverForTest

(

Dart_Handle

url

)

Definition at line 113 of file native_functions.c.

                                                           {
  Dart_Handle library = Dart_LookupLibrary(url);
  ENSURE_VALID(library);
  Dart_Handle result =
      Dart_SetNativeResolver(library, &NativeEntryResolver, NULL);
  ENSURE_VALID(result);
}