blob: 3d3c0f3135c842a1b793b5017a0c556c94d1d69d [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 "bin/builtin.h"
namespace dart {
namespace bin {
class Platform {
// Perform platform specific initialization.
static bool Initialize();
// Returns the number of processors on the machine.
static int NumberOfProcessors();
// Returns a string representing the operating system ("linux",
// "macos" or "windows"). The returned string should not be
// deallocated by the caller.
static const char* OperatingSystem();
// Returns a string representing the operating system's shared library
// extension (e.g. 'so', 'dll', ...). The returned string should not be
// deallocated by the caller.
static const char* LibraryExtension();
// Extracts the local hostname.
static bool LocalHostname(char* buffer, intptr_t buffer_length);
// Extracts the environment variables for the current process. The
// array of strings returned must be deallocated using
// FreeEnvironment. The number of elements in the array is returned
// in the count argument.
static char** Environment(intptr_t* count);
static void FreeEnvironment(char** env, intptr_t count);
static char* ResolveExecutablePath();
// Stores the executable name.
static void SetExecutableName(const char* executable_name) {
executable_name_ = executable_name;
static const char* GetExecutableName() {
return executable_name_;
static const char* GetResolvedExecutableName() {
if (resolved_executable_name_ == NULL) {
// Try to resolve the executable path using platform specific APIs.
resolved_executable_name_ = Platform::ResolveExecutablePath();
return resolved_executable_name_;
// Stores and gets the package root.
static void SetPackageRoot(const char* package_root) {
package_root_ = package_root;
static const char* GetPackageRoot() {
return package_root_;
// Stores and gets the flags passed to the executable.
static void SetExecutableArguments(int script_index, char** argv) {
script_index_ = script_index;
argv_ = argv;
static int GetScriptIndex() {
return script_index_;
static char** GetArgv() {
return argv_;
// The path to the executable.
static const char* executable_name_;
// The path to the resolved executable.
static const char* resolved_executable_name_;
static const char* package_root_;
static int script_index_;
static char** argv_; // VM flags are argv_[1 ... script_index_ - 1]
} // namespace bin
} // namespace dart
#endif // BIN_PLATFORM_H_