blob: d4828a6baeface32b76415ef688503ba327f90f4 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "include/dart_api.h"
#include "bin/builtin.h"
#include "bin/io_natives.h"
namespace dart {
namespace bin {
// Lists the native function implementing basic logging facility.
#define BUILTIN_NATIVE_LIST(V) V(Builtin_PrintString, 1)
BUILTIN_NATIVE_LIST(DECLARE_FUNCTION);
static struct NativeEntries {
const char* name_;
Dart_NativeFunction function_;
int argument_count_;
} BuiltinEntries[] = {BUILTIN_NATIVE_LIST(REGISTER_FUNCTION)};
Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name,
int argument_count,
bool* auto_setup_scope) {
const char* function_name = NULL;
Dart_Handle result = Dart_StringToCString(name, &function_name);
if (Dart_IsError(result)) {
Dart_PropagateError(result);
}
ASSERT(function_name != NULL);
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
for (int i = 0; i < num_entries; i++) {
struct NativeEntries* entry = &(BuiltinEntries[i]);
if ((strcmp(function_name, entry->name_) == 0) &&
(entry->argument_count_ == argument_count)) {
return reinterpret_cast<Dart_NativeFunction>(entry->function_);
}
}
return IONativeLookup(name, argument_count, auto_setup_scope);
}
const uint8_t* Builtin::NativeSymbol(Dart_NativeFunction nf) {
int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
for (int i = 0; i < num_entries; i++) {
struct NativeEntries* entry = &(BuiltinEntries[i]);
if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
return reinterpret_cast<const uint8_t*>(entry->name_);
}
}
return IONativeSymbol(nf);
}
// Implementation of native functions which are used for some
// test/debug functionality in standalone dart mode.
void FUNCTION_NAME(Builtin_PrintString)(Dart_NativeArguments args) {
Dart_EnterScope();
intptr_t length = 0;
uint8_t* chars = NULL;
Dart_Handle str = Dart_GetNativeArgument(args, 0);
Dart_Handle result = Dart_StringToUTF8(str, &chars, &length);
if (Dart_IsError(result)) {
// TODO(turnidge): Consider propagating some errors here. What if
// an isolate gets interrupted by the embedder in the middle of
// Dart_StringToUTF8? We need to make sure not to swallow the
// interrupt.
fputs(Dart_GetError(result), stdout);
} else {
fwrite(chars, sizeof(*chars), length, stdout);
}
fputc('\n', stdout);
fflush(stdout);
Dart_ExitScope();
}
} // namespace bin
} // namespace dart