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// 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.
#ifndef BIN_UTILS_H_
#define BIN_UTILS_H_
#include <stdlib.h>
#include <string.h>
#include "include/dart_api.h"
#include "platform/globals.h"
namespace dart {
namespace bin {
class OSError {
enum SubSystem {
kUnknown = -1
OSError(int code, const char* message, SubSystem sub_system) {
sub_system_ = sub_system;
code_ = code;
message_ = NULL; // SetMessage will free existing message.
virtual ~OSError() { free(message_); }
SubSystem sub_system() { return sub_system_; }
int code() { return code_; }
char* message() { return message_; }
void SetCodeAndMessage(SubSystem sub_system, int code);
void set_sub_system(SubSystem sub_system) { sub_system_ = sub_system; }
void set_code(int code) { code_ = code; }
void SetMessage(const char* message) {
if (message == NULL) {
message_ = NULL;
} else {
message_ = strdup(message);
SubSystem sub_system_;
int code_;
char* message_;
class StringUtils {
// The following methods convert the argument if needed. The
// conversions are only needed on Windows. If the methods returns a
// pointer that is different from the input pointer, the returned
// pointer is allocated with malloc and should be freed using free.
// If the len argument is passed then that number of characters are
// converted. If len is -1, conversion will stop at the first NUL
// character. If result_len is not NUL, it is used to set the number
// of characters in the result.
// These conversion functions are only implemented on Windows as the
// Dart code only hit this path on Windows.
static const char* ConsoleStringToUtf8(const char* str,
intptr_t len = -1,
intptr_t* result_len = NULL);
static char* ConsoleStringToUtf8(char* str,
intptr_t len = -1,
intptr_t* result_len = NULL);
static const char* Utf8ToConsoleString(const char* utf8,
intptr_t len = -1,
intptr_t* result_len = NULL);
static char* Utf8ToConsoleString(char* utf8,
intptr_t len = -1,
intptr_t* result_len = NULL);
class ShellUtils {
// Convert all the arguments to UTF8. On Windows, the arguments are
// encoded in the current code page and not UTF8.
// Returns true if the arguments are converted. In that case
// each of the arguments need to be deallocated using free.
static bool GetUtf8Argv(int argc, char** argv);
class TimerUtils {
static int64_t GetCurrentTimeMicros();
static int64_t GetCurrentTimeMilliseconds();
static void Sleep(int64_t millis);
} // namespace bin
} // namespace dart
#endif // BIN_UTILS_H_