whesse@google.com
7f60b90a48
BUG=dart:4730 Review URL: https://codereview.chromium.org//11748017 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16636 260f80e4-7a28-3924-810f-c04153c831b5
107 lines
4.8 KiB
C++
107 lines
4.8 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/builtin.h"
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#include <stdlib.h>
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#include <string.h>
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#include "bin/dartutils.h"
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#include "include/dart_api.h"
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#include "platform/assert.h"
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// Lists the native functions implementing basic functionality in
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// standalone dart, such as printing, file I/O, and platform information.
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// Advanced I/O classes like sockets and process management are implemented
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// using functions listed in io_natives.cc.
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#define BUILTIN_NATIVE_LIST(V) \
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V(Directory_Exists, 1) \
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V(Directory_Create, 1) \
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V(Directory_Current, 0) \
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V(Directory_CreateTemp, 1) \
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V(Directory_Delete, 2) \
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V(Directory_Rename, 2) \
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V(Directory_List, 2) \
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V(Directory_NewServicePort, 0) \
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V(File_Open, 2) \
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V(File_Exists, 1) \
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V(File_Close, 1) \
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V(File_ReadByte, 1) \
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V(File_WriteByte, 2) \
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V(File_Read, 2) \
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V(File_ReadList, 4) \
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V(File_WriteList, 4) \
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V(File_Position, 1) \
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V(File_SetPosition, 2) \
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V(File_Truncate, 2) \
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V(File_Length, 1) \
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V(File_LengthFromName, 1) \
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V(File_LastModified, 1) \
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V(File_Flush, 1) \
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V(File_Create, 1) \
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V(File_Delete, 1) \
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V(File_Directory, 1) \
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V(File_FullPath, 1) \
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V(File_OpenStdio, 1) \
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V(File_GetStdioHandleType, 1) \
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V(File_NewServicePort, 0) \
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V(Logger_PrintString, 1)
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BUILTIN_NATIVE_LIST(DECLARE_FUNCTION);
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static struct NativeEntries {
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const char* name_;
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Dart_NativeFunction function_;
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int argument_count_;
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} BuiltinEntries[] = {
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BUILTIN_NATIVE_LIST(REGISTER_FUNCTION)
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};
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Dart_NativeFunction Builtin::BuiltinNativeLookup(Dart_Handle name,
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int argument_count) {
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const char* function_name = NULL;
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Dart_Handle result = Dart_StringToCString(name, &function_name);
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DART_CHECK_VALID(result);
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ASSERT(function_name != NULL);
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int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BuiltinEntries[i]);
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if (!strcmp(function_name, entry->name_) &&
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(entry->argument_count_ == argument_count)) {
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return reinterpret_cast<Dart_NativeFunction>(entry->function_);
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}
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}
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return NULL;
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}
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// Implementation of native functions which are used for some
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// test/debug functionality in standalone dart mode.
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void Builtin::PrintString(FILE* out, Dart_Handle str) {
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intptr_t length = 0;
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uint8_t* chars = NULL;
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Dart_Handle result = Dart_StringToUTF8(str, &chars, &length);
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if (Dart_IsError(result)) {
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// TODO(turnidge): Consider propagating some errors here. What if
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// an isolate gets interrupted by the embedder in the middle of
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// Dart_StringToUTF8? We need to make sure not to swallow the
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// interrupt.
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fputs(Dart_GetError(result), out);
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} else {
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fwrite(chars, sizeof(*chars), length, out);
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}
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fputc('\n', out);
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fflush(out);
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}
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void FUNCTION_NAME(Logger_PrintString)(Dart_NativeArguments args) {
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Dart_EnterScope();
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Builtin::PrintString(stdout, Dart_GetNativeArgument(args, 0));
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Dart_ExitScope();
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}
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