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Diffstat (limited to 'deno2/deno.cc')
| -rw-r--r-- | deno2/deno.cc | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/deno2/deno.cc b/deno2/deno.cc deleted file mode 100644 index 0ebdf380c..000000000 --- a/deno2/deno.cc +++ /dev/null @@ -1,312 +0,0 @@ -/* -Copyright 2018 Ryan Dahl <ry@tinyclouds.org>. All rights reserved. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to -deal in the Software without restriction, including without limitation the -rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -sell copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -IN THE SOFTWARE. -*/ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <string> - -#include "v8/include/libplatform/libplatform.h" -#include "v8/include/v8.h" -#include "v8/src/base/logging.h" - -#include "./deno_internal.h" -#include "include/deno.h" - -namespace deno { - -// Extracts a C string from a v8::V8 Utf8Value. -const char* ToCString(const v8::String::Utf8Value& value) { - return *value ? *value : "<string conversion failed>"; -} - -static inline v8::Local<v8::String> v8_str(const char* x) { - return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), x, - v8::NewStringType::kNormal) - .ToLocalChecked(); -} - -void HandleException(v8::Local<v8::Context> context, - v8::Local<v8::Value> exception) { - auto* isolate = context->GetIsolate(); - v8::HandleScope handle_scope(isolate); - v8::Context::Scope context_scope(context); - - auto message = v8::Exception::CreateMessage(isolate, exception); - auto onerrorStr = v8::String::NewFromUtf8(isolate, "onerror"); - auto onerror = context->Global()->Get(onerrorStr); - - if (onerror->IsFunction()) { - auto func = v8::Local<v8::Function>::Cast(onerror); - v8::Local<v8::Value> args[5]; - auto origin = message->GetScriptOrigin(); - args[0] = exception->ToString(); - args[1] = message->GetScriptResourceName(); - args[2] = origin.ResourceLineOffset(); - args[3] = origin.ResourceColumnOffset(); - args[4] = exception; - func->Call(context->Global(), 5, args); - /* message, source, lineno, colno, error */ - } else { - v8::String::Utf8Value exceptionStr(isolate, exception); - printf("Unhandled Exception %s\n", ToCString(exceptionStr)); - message->PrintCurrentStackTrace(isolate, stdout); - } -} - -/* -bool AbortOnUncaughtExceptionCallback(v8::Isolate* isolate) { - return true; -} - -void MessageCallback2(Local<Message> message, v8::Local<v8::Value> data) { - printf("MessageCallback2\n\n"); -} - -void FatalErrorCallback2(const char* location, const char* message) { - printf("FatalErrorCallback2\n"); -} -*/ - -void ExitOnPromiseRejectCallback( - v8::PromiseRejectMessage promise_reject_message) { - auto* isolate = v8::Isolate::GetCurrent(); - Deno* d = static_cast<Deno*>(isolate->GetData(0)); - DCHECK_EQ(d->isolate, isolate); - v8::HandleScope handle_scope(d->isolate); - auto exception = promise_reject_message.GetValue(); - auto context = d->context.Get(d->isolate); - HandleException(context, exception); -} - -void Print(const v8::FunctionCallbackInfo<v8::Value>& args) { - CHECK_EQ(args.Length(), 1); - auto* isolate = args.GetIsolate(); - v8::HandleScope handle_scope(isolate); - v8::String::Utf8Value str(isolate, args[0]); - const char* cstr = ToCString(str); - printf("%s\n", cstr); - fflush(stdout); -} - -// Sets the sub callback. -void Sub(const v8::FunctionCallbackInfo<v8::Value>& args) { - v8::Isolate* isolate = args.GetIsolate(); - Deno* d = reinterpret_cast<Deno*>(isolate->GetData(0)); - DCHECK_EQ(d->isolate, isolate); - - v8::HandleScope handle_scope(isolate); - - if (!d->sub.IsEmpty()) { - isolate->ThrowException(v8_str("denoSub already called.")); - return; - } - - v8::Local<v8::Value> v = args[0]; - CHECK(v->IsFunction()); - v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(v); - - d->sub.Reset(isolate, func); -} - -void Pub(const v8::FunctionCallbackInfo<v8::Value>& args) { - v8::Isolate* isolate = args.GetIsolate(); - Deno* d = static_cast<Deno*>(isolate->GetData(0)); - DCHECK_EQ(d->isolate, isolate); - - v8::Locker locker(d->isolate); - v8::EscapableHandleScope handle_scope(isolate); - - CHECK_EQ(args.Length(), 2); - v8::Local<v8::Value> channel_v = args[0]; - CHECK(channel_v->IsString()); - v8::String::Utf8Value channel_vstr(isolate, channel_v); - const char* channel = *channel_vstr; - - v8::Local<v8::Value> ab_v = args[1]; - CHECK(ab_v->IsArrayBuffer()); - - auto ab = v8::Local<v8::ArrayBuffer>::Cast(ab_v); - auto contents = ab->GetContents(); - - // data is only a valid pointer until the end of this call. - const char* data = - const_cast<const char*>(reinterpret_cast<char*>(contents.Data())); - deno_buf buf{data, contents.ByteLength()}; - - DCHECK_EQ(d->currentArgs, nullptr); - d->currentArgs = &args; - - d->cb(d, channel, buf); - - d->currentArgs = nullptr; -} - -bool Execute(v8::Local<v8::Context> context, const char* js_filename, - const char* js_source) { - auto* isolate = context->GetIsolate(); - v8::Isolate::Scope isolate_scope(isolate); - v8::HandleScope handle_scope(isolate); - - v8::Context::Scope context_scope(context); - - v8::TryCatch try_catch(isolate); - - auto name = v8_str(js_filename); - auto source = v8_str(js_source); - - v8::ScriptOrigin origin(name); - - auto script = v8::Script::Compile(context, source, &origin); - - if (script.IsEmpty()) { - DCHECK(try_catch.HasCaught()); - HandleException(context, try_catch.Exception()); - return false; - } - - auto result = script.ToLocalChecked()->Run(context); - - if (result.IsEmpty()) { - DCHECK(try_catch.HasCaught()); - HandleException(context, try_catch.Exception()); - return false; - } - - return true; -} - -void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context, - const char* js_filename, const char* js_source) { - v8::HandleScope handle_scope(isolate); - v8::Context::Scope context_scope(context); - - auto global = context->Global(); - - auto deno_val = v8::Object::New(isolate); - CHECK(global->Set(context, deno::v8_str("deno"), deno_val).FromJust()); - - auto print_tmpl = v8::FunctionTemplate::New(isolate, Print); - auto print_val = print_tmpl->GetFunction(context).ToLocalChecked(); - CHECK(deno_val->Set(context, deno::v8_str("print"), print_val).FromJust()); - - auto sub_tmpl = v8::FunctionTemplate::New(isolate, Sub); - auto sub_val = sub_tmpl->GetFunction(context).ToLocalChecked(); - CHECK(deno_val->Set(context, deno::v8_str("sub"), sub_val).FromJust()); - - auto pub_tmpl = v8::FunctionTemplate::New(isolate, Pub); - auto pub_val = pub_tmpl->GetFunction(context).ToLocalChecked(); - CHECK(deno_val->Set(context, deno::v8_str("pub"), pub_val).FromJust()); - - bool r = Execute(context, js_filename, js_source); - CHECK(r); -} - -void AddIsolate(Deno* d, v8::Isolate* isolate) { - d->isolate = isolate; - // Leaving this code here because it will probably be useful later on, but - // disabling it now as I haven't got tests for the desired behavior. - // d->isolate->SetCaptureStackTraceForUncaughtExceptions(true); - // d->isolate->SetAbortOnUncaughtExceptionCallback(AbortOnUncaughtExceptionCallback); - // d->isolate->AddMessageListener(MessageCallback2); - // d->isolate->SetFatalErrorHandler(FatalErrorCallback2); - d->isolate->SetPromiseRejectCallback(deno::ExitOnPromiseRejectCallback); - d->isolate->SetData(0, d); -} - -} // namespace deno - -extern "C" { - -void deno_init() { - // v8::V8::InitializeICUDefaultLocation(argv[0]); - // v8::V8::InitializeExternalStartupData(argv[0]); - auto* p = v8::platform::CreateDefaultPlatform(); - v8::V8::InitializePlatform(p); - v8::V8::Initialize(); -} - -const char* deno_v8_version() { return v8::V8::GetVersion(); } - -void deno_set_flags(int* argc, char** argv) { - v8::V8::SetFlagsFromCommandLine(argc, argv, true); -} - -const char* deno_last_exception(Deno* d) { return d->last_exception.c_str(); } - -int deno_execute(Deno* d, const char* js_filename, const char* js_source) { - auto* isolate = d->isolate; - v8::Locker locker(isolate); - v8::Isolate::Scope isolate_scope(isolate); - v8::HandleScope handle_scope(isolate); - auto context = d->context.Get(d->isolate); - return deno::Execute(context, js_filename, js_source) ? 1 : 0; -} - -int deno_pub(Deno* d, const char* channel, deno_buf buf) { - v8::Locker locker(d->isolate); - v8::Isolate::Scope isolate_scope(d->isolate); - v8::HandleScope handle_scope(d->isolate); - - auto context = d->context.Get(d->isolate); - v8::Context::Scope context_scope(context); - - v8::TryCatch try_catch(d->isolate); - - auto sub = d->sub.Get(d->isolate); - if (sub.IsEmpty()) { - d->last_exception = "deno_sub has not been called."; - return 0; - } - - // TODO(ry) support zero-copy. - auto ab = v8::ArrayBuffer::New(d->isolate, buf.len); - memcpy(ab->GetContents().Data(), buf.data, buf.len); - - v8::Local<v8::Value> args[2]; - args[0] = deno::v8_str(channel); - args[1] = ab; - - sub->Call(context->Global(), 1, args); - - if (try_catch.HasCaught()) { - deno::HandleException(context, try_catch.Exception()); - return 0; - } - - return 1; -} - -void deno_set_response(Deno* d, deno_buf buf) { - // TODO(ry) Support zero-copy. - auto ab = v8::ArrayBuffer::New(d->isolate, buf.len); - memcpy(ab->GetContents().Data(), buf.data, buf.len); - d->currentArgs->GetReturnValue().Set(ab); -} - -void deno_delete(Deno* d) { - d->isolate->Dispose(); - delete d; -} - -void deno_terminate_execution(Deno* d) { d->isolate->TerminateExecution(); } - -} // extern "C" |