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src: move process object creation into node_process_object.cc
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Changes `SetupProcessObject` to `CreateProessObject` which creates
the process object from scratch and return it to `Environment::Start`
to be stored in the Environment object.

PR-URL: #25397
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
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@joyeecheung @BridgeAR
joyeecheung authored and BridgeAR committed Jan 17, 2019
1 parent 299aefd commit 49ac968
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Showing 6 changed files with 265 additions and 240 deletions.
3 changes: 2 additions & 1 deletion node.gyp
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Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,8 @@
'src/node_perf.cc',
'src/node_platform.cc',
'src/node_postmortem_metadata.cc',
'src/node_process.cc',
'src/node_process_methods.cc',
'src/node_process_object.cc',
'src/node_serdes.cc',
'src/node_stat_watcher.cc',
'src/node_symbols.cc',
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11 changes: 1 addition & 10 deletions src/env.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,6 @@ using v8::Context;
using v8::EmbedderGraph;
using v8::External;
using v8::Function;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Integer;
using v8::Isolate;
Expand Down Expand Up @@ -339,17 +338,9 @@ void Environment::Start(const std::vector<std::string>& args,
StartProfilerIdleNotifier();
}

auto process_template = FunctionTemplate::New(isolate());
process_template->SetClassName(FIXED_ONE_BYTE_STRING(isolate(), "process"));

auto process_object = process_template->GetFunction(context())
.ToLocalChecked()
->NewInstance(context())
.ToLocalChecked();
Local<Object> process_object = CreateProcessObject(this, args, exec_args);
set_process_object(process_object);

SetupProcessObject(this, args, exec_args);

static uv_once_t init_once = UV_ONCE_INIT;
uv_once(&init_once, InitThreadLocalOnce);
uv_key_set(&thread_local_env, this);
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226 changes: 0 additions & 226 deletions src/node.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -124,14 +124,12 @@ using v8::MaybeLocal;
using v8::Message;
using v8::MicrotasksPolicy;
using v8::NewStringType;
using v8::None;
using v8::Nothing;
using v8::Object;
using v8::ObjectTemplate;
using v8::Script;
using v8::ScriptOrigin;
using v8::SealHandleScope;
using v8::SideEffectType;
using v8::String;
using v8::TracingController;
using v8::Undefined;
Expand Down Expand Up @@ -690,230 +688,6 @@ static void OnMessage(Local<Message> message, Local<Value> error) {
}
}

void SetupProcessObject(Environment* env,
const std::vector<std::string>& args,
const std::vector<std::string>& exec_args) {
Isolate* isolate = env->isolate();
HandleScope scope(isolate);
Local<Context> context = env->context();

Local<Object> process = env->process_object();

auto title_string = FIXED_ONE_BYTE_STRING(env->isolate(), "title");
CHECK(process->SetAccessor(
env->context(),
title_string,
ProcessTitleGetter,
env->is_main_thread() ? ProcessTitleSetter : nullptr,
env->as_external(),
DEFAULT,
None,
SideEffectType::kHasNoSideEffect).FromJust());

// process.version
READONLY_PROPERTY(process,
"version",
FIXED_ONE_BYTE_STRING(env->isolate(), NODE_VERSION));

// process.versions
Local<Object> versions = Object::New(env->isolate());
READONLY_PROPERTY(process, "versions", versions);

#define V(key) \
if (!per_process::metadata.versions.key.empty()) { \
READONLY_STRING_PROPERTY( \
versions, #key, per_process::metadata.versions.key); \
}
NODE_VERSIONS_KEYS(V)
#undef V

// process.arch
READONLY_STRING_PROPERTY(process, "arch", per_process::metadata.arch);

// process.platform
READONLY_STRING_PROPERTY(process, "platform", per_process::metadata.platform);

// process.release
Local<Object> release = Object::New(env->isolate());
READONLY_PROPERTY(process, "release", release);
READONLY_STRING_PROPERTY(release, "name", per_process::metadata.release.name);
#if NODE_VERSION_IS_LTS
READONLY_STRING_PROPERTY(release, "lts", per_process::metadata.release.lts);
#endif // NODE_VERSION_IS_LTS

#ifdef NODE_HAS_RELEASE_URLS
READONLY_STRING_PROPERTY(
release, "sourceUrl", per_process::metadata.release.source_url);
READONLY_STRING_PROPERTY(
release, "headersUrl", per_process::metadata.release.headers_url);
#ifdef _WIN32
READONLY_STRING_PROPERTY(
release, "libUrl", per_process::metadata.release.lib_url);
#endif // _WIN32
#endif // NODE_HAS_RELEASE_URLS

// process.argv
process->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "argv"),
ToV8Value(env->context(), args).ToLocalChecked()).FromJust();

// process.execArgv
process->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "execArgv"),
ToV8Value(env->context(), exec_args)
.ToLocalChecked()).FromJust();

// create process.env
process
->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "env"),
CreateEnvVarProxy(context, isolate, env->as_external()))
.FromJust();

READONLY_PROPERTY(process, "pid",
Integer::New(env->isolate(), uv_os_getpid()));

CHECK(process->SetAccessor(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "ppid"),
GetParentProcessId).FromJust());

// -e, --eval
// TODO(addaleax): Remove this.
if (env->options()->has_eval_string) {
READONLY_PROPERTY(process,
"_eval",
String::NewFromUtf8(
env->isolate(),
env->options()->eval_string.c_str(),
NewStringType::kNormal).ToLocalChecked());
}

// -p, --print
// TODO(addaleax): Remove this.
if (env->options()->print_eval) {
READONLY_PROPERTY(process, "_print_eval", True(env->isolate()));
}

// -c, --check
// TODO(addaleax): Remove this.
if (env->options()->syntax_check_only) {
READONLY_PROPERTY(process, "_syntax_check_only", True(env->isolate()));
}

// -i, --interactive
// TODO(addaleax): Remove this.
if (env->options()->force_repl) {
READONLY_PROPERTY(process, "_forceRepl", True(env->isolate()));
}

// -r, --require
// TODO(addaleax): Remove this.
const std::vector<std::string>& preload_modules =
env->options()->preload_modules;
if (!preload_modules.empty()) {
READONLY_PROPERTY(process,
"_preload_modules",
ToV8Value(env->context(), preload_modules)
.ToLocalChecked());
}

// --no-deprecation
if (env->options()->no_deprecation) {
READONLY_PROPERTY(process, "noDeprecation", True(env->isolate()));
}

// --no-warnings
if (env->options()->no_warnings) {
READONLY_PROPERTY(process, "noProcessWarnings", True(env->isolate()));
}

// --trace-warnings
if (env->options()->trace_warnings) {
READONLY_PROPERTY(process, "traceProcessWarnings", True(env->isolate()));
}

// --throw-deprecation
if (env->options()->throw_deprecation) {
READONLY_PROPERTY(process, "throwDeprecation", True(env->isolate()));
}

#ifdef NODE_NO_BROWSER_GLOBALS
// configure --no-browser-globals
READONLY_PROPERTY(process, "_noBrowserGlobals", True(env->isolate()));
#endif // NODE_NO_BROWSER_GLOBALS

// --prof-process
// TODO(addaleax): Remove this.
if (env->options()->prof_process) {
READONLY_PROPERTY(process, "profProcess", True(env->isolate()));
}

// --trace-deprecation
if (env->options()->trace_deprecation) {
READONLY_PROPERTY(process, "traceDeprecation", True(env->isolate()));
}

// TODO(refack): move the following 4 to `node_config`
// --inspect-brk
if (env->options()->debug_options().wait_for_connect()) {
READONLY_DONT_ENUM_PROPERTY(process,
"_breakFirstLine", True(env->isolate()));
}

if (env->options()->debug_options().break_node_first_line) {
READONLY_DONT_ENUM_PROPERTY(process,
"_breakNodeFirstLine", True(env->isolate()));
}

// --inspect --debug-brk
if (env->options()->debug_options().deprecated_invocation()) {
READONLY_DONT_ENUM_PROPERTY(process,
"_deprecatedDebugBrk", True(env->isolate()));
}

// --debug or, --debug-brk without --inspect
if (env->options()->debug_options().invalid_invocation()) {
READONLY_DONT_ENUM_PROPERTY(process,
"_invalidDebug", True(env->isolate()));
}

// --security-revert flags
#define V(code, _, __) \
do { \
if (IsReverted(SECURITY_REVERT_ ## code)) { \
READONLY_PROPERTY(process, "REVERT_" #code, True(env->isolate())); \
} \
} while (0);
SECURITY_REVERSIONS(V)
#undef V

{
size_t exec_path_len = 2 * PATH_MAX;
std::vector<char> exec_path(exec_path_len);
Local<String> exec_path_value;
if (uv_exepath(exec_path.data(), &exec_path_len) == 0) {
exec_path_value = String::NewFromUtf8(env->isolate(),
exec_path.data(),
NewStringType::kInternalized,
exec_path_len).ToLocalChecked();
} else {
exec_path_value = String::NewFromUtf8(env->isolate(), args[0].c_str(),
NewStringType::kInternalized).ToLocalChecked();
}
process->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "execPath"),
exec_path_value).FromJust();
}

auto debug_port_string = FIXED_ONE_BYTE_STRING(env->isolate(), "debugPort");
CHECK(process->SetAccessor(env->context(),
debug_port_string,
DebugPortGetter,
env->is_main_thread() ? DebugPortSetter : nullptr,
env->as_external()).FromJust());
}


void SignalExit(int signo) {
uv_tty_reset_mode();
#ifdef __FreeBSD__
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7 changes: 4 additions & 3 deletions src/node_internals.h
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Original file line number Diff line number Diff line change
Expand Up @@ -185,9 +185,10 @@ v8::Maybe<bool> ProcessEmitDeprecationWarning(Environment* env,
const char* warning,
const char* deprecation_code);

void SetupProcessObject(Environment* env,
const std::vector<std::string>& args,
const std::vector<std::string>& exec_args);
v8::Local<v8::Object> CreateProcessObject(
Environment* env,
const std::vector<std::string>& args,
const std::vector<std::string>& exec_args);

enum Endianness {
kLittleEndian, // _Not_ LITTLE_ENDIAN, clashes with endian.h.
Expand Down
0 src/node_process.cc → src/node_process_methods.cc
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