Replace libdeno with rusty_v8 (#3556)

1 files changed, 0 insertions, 236 deletions

diff --git a/core/libdeno/exceptions.cc b/core/libdeno/exceptions.cc
deleted file mode 100644
index 7f622da80..000000000
--- a/core/libdeno/exceptions.cc
+++ /dev/null
@@ -1,236 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-#include "exceptions.h"
-#include <string>
-#include "internal.h"
-
-namespace deno {
-
-v8::Local<v8::Object> EncodeMessageAsObject(v8::Local<v8::Context> context,
-                                            v8::Local<v8::Message> message) {
-  auto* isolate = context->GetIsolate();
-  v8::EscapableHandleScope handle_scope(isolate);
-  v8::Context::Scope context_scope(context);
-
-  auto stack_trace = message->GetStackTrace();
-
-  // Encode the exception into a JS object, which we will then turn into JSON.
-  auto json_obj = v8::Object::New(isolate);
-  auto exception_str = message->Get();
-  CHECK(json_obj->Set(context, v8_str("message"), exception_str).FromJust());
-
-  auto maybe_source_line = message->GetSourceLine(context);
-  if (!maybe_source_line.IsEmpty()) {
-    CHECK(json_obj
-              ->Set(context, v8_str("sourceLine"),
-                    maybe_source_line.ToLocalChecked())
-              .FromJust());
-  }
-
-  CHECK(json_obj
-            ->Set(context, v8_str("scriptResourceName"),
-                  message->GetScriptResourceName())
-            .FromJust());
-
-  auto maybe_line_number = message->GetLineNumber(context);
-  if (maybe_line_number.IsJust()) {
-    CHECK(json_obj
-              ->Set(context, v8_str("lineNumber"),
-                    v8::Integer::New(isolate, maybe_line_number.FromJust()))
-              .FromJust());
-  }
-
-  CHECK(json_obj
-            ->Set(context, v8_str("startPosition"),
-                  v8::Integer::New(isolate, message->GetStartPosition()))
-            .FromJust());
-
-  CHECK(json_obj
-            ->Set(context, v8_str("endPosition"),
-                  v8::Integer::New(isolate, message->GetEndPosition()))
-            .FromJust());
-
-  CHECK(json_obj
-            ->Set(context, v8_str("errorLevel"),
-                  v8::Integer::New(isolate, message->ErrorLevel()))
-            .FromJust());
-
-  auto maybe_start_column = message->GetStartColumn(context);
-  if (maybe_start_column.IsJust()) {
-    auto start_column =
-        v8::Integer::New(isolate, maybe_start_column.FromJust());
-    CHECK(
-        json_obj->Set(context, v8_str("startColumn"), start_column).FromJust());
-  }
-
-  auto maybe_end_column = message->GetEndColumn(context);
-  if (maybe_end_column.IsJust()) {
-    auto end_column = v8::Integer::New(isolate, maybe_end_column.FromJust());
-    CHECK(json_obj->Set(context, v8_str("endColumn"), end_column).FromJust());
-  }
-
-  CHECK(json_obj
-            ->Set(context, v8_str("isSharedCrossOrigin"),
-                  v8::Boolean::New(isolate, message->IsSharedCrossOrigin()))
-            .FromJust());
-
-  CHECK(json_obj
-            ->Set(context, v8_str("isOpaque"),
-                  v8::Boolean::New(isolate, message->IsOpaque()))
-            .FromJust());
-
-  v8::Local<v8::Array> frames;
-  if (!stack_trace.IsEmpty()) {
-    uint32_t count = static_cast<uint32_t>(stack_trace->GetFrameCount());
-    frames = v8::Array::New(isolate, count);
-
-    for (uint32_t i = 0; i < count; ++i) {
-      auto frame = stack_trace->GetFrame(isolate, i);
-      auto frame_obj = v8::Object::New(isolate);
-      CHECK(frames->Set(context, i, frame_obj).FromJust());
-      auto line = v8::Integer::New(isolate, frame->GetLineNumber());
-      auto column = v8::Integer::New(isolate, frame->GetColumn());
-      CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
-      CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
-
-      auto function_name = frame->GetFunctionName();
-      if (!function_name.IsEmpty()) {
-        CHECK(frame_obj->Set(context, v8_str("functionName"), function_name)
-                  .FromJust());
-      }
-      // scriptName can be empty in special conditions e.g. eval
-      auto scriptName = frame->GetScriptNameOrSourceURL();
-      if (scriptName.IsEmpty()) {
-        scriptName = v8_str("<unknown>");
-      }
-      CHECK(
-          frame_obj->Set(context, v8_str("scriptName"), scriptName).FromJust());
-      CHECK(frame_obj
-                ->Set(context, v8_str("isEval"),
-                      v8::Boolean::New(isolate, frame->IsEval()))
-                .FromJust());
-      CHECK(frame_obj
-                ->Set(context, v8_str("isConstructor"),
-                      v8::Boolean::New(isolate, frame->IsConstructor()))
-                .FromJust());
-      CHECK(frame_obj
-                ->Set(context, v8_str("isWasm"),
-                      v8::Boolean::New(isolate, frame->IsWasm()))
-                .FromJust());
-    }
-  } else {
-    // No stack trace. We only have one stack frame of info..
-    frames = v8::Array::New(isolate, 1);
-
-    auto frame_obj = v8::Object::New(isolate);
-    CHECK(frames->Set(context, 0, frame_obj).FromJust());
-
-    auto line =
-        v8::Integer::New(isolate, message->GetLineNumber(context).FromJust());
-    auto column =
-        v8::Integer::New(isolate, message->GetStartColumn(context).FromJust());
-
-    CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
-    CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
-    CHECK(frame_obj
-              ->Set(context, v8_str("scriptName"),
-                    message->GetScriptResourceName())
-              .FromJust());
-  }
-
-  CHECK(json_obj->Set(context, v8_str("frames"), frames).FromJust());
-  json_obj = handle_scope.Escape(json_obj);
-  return json_obj;
-}
-
-std::string EncodeMessageAsJSON(v8::Local<v8::Context> context,
-                                v8::Local<v8::Message> message) {
-  auto* isolate = context->GetIsolate();
-  v8::HandleScope handle_scope(isolate);
-  v8::Context::Scope context_scope(context);
-  auto json_obj = EncodeMessageAsObject(context, message);
-  auto json_string = v8::JSON::Stringify(context, json_obj).ToLocalChecked();
-  v8::String::Utf8Value json_string_(isolate, json_string);
-  return std::string(ToCString(json_string_));
-}
-
-v8::Local<v8::Object> EncodeExceptionAsObject(v8::Local<v8::Context> context,
-                                              v8::Local<v8::Value> exception) {
-  auto* isolate = context->GetIsolate();
-  v8::EscapableHandleScope handle_scope(isolate);
-  v8::Context::Scope context_scope(context);
-
-  auto message = v8::Exception::CreateMessage(isolate, exception);
-  auto json_obj = EncodeMessageAsObject(context, message);
-  json_obj = handle_scope.Escape(json_obj);
-  return json_obj;
-}
-
-std::string EncodeExceptionAsJSON(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);
-  return EncodeMessageAsJSON(context, message);
-}
-
-void HandleException(v8::Local<v8::Context> context,
-                     v8::Local<v8::Value> exception) {
-  v8::Isolate* isolate = context->GetIsolate();
-
-  // TerminateExecution was called
-  if (isolate->IsExecutionTerminating()) {
-    // cancel exception termination so that the exception can be created
-    isolate->CancelTerminateExecution();
-
-    // maybe make a new exception object
-    if (exception->IsNullOrUndefined()) {
-      exception = v8::Exception::Error(v8_str("execution terminated"));
-    }
-
-    // handle the exception as if it is a regular exception
-    HandleException(context, exception);
-
-    // re-enable exception termination
-    isolate->TerminateExecution();
-    return;
-  }
-
-  DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
-  std::string json_str = EncodeExceptionAsJSON(context, exception);
-  CHECK_NOT_NULL(d);
-  d->last_exception_ = json_str;
-  d->last_exception_handle_.Reset(isolate, exception);
-}
-
-void HandleExceptionMessage(v8::Local<v8::Context> context,
-                            v8::Local<v8::Message> message) {
-  v8::Isolate* isolate = context->GetIsolate();
-
-  // TerminateExecution was called
-  if (isolate->IsExecutionTerminating()) {
-    HandleException(context, v8::Undefined(isolate));
-    return;
-  }
-
-  DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
-  std::string json_str = EncodeMessageAsJSON(context, message);
-  CHECK_NOT_NULL(d);
-  d->last_exception_ = json_str;
-}
-
-void ClearException(v8::Local<v8::Context> context) {
-  v8::Isolate* isolate = context->GetIsolate();
-  DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
-  CHECK_NOT_NULL(d);
-
-  d->last_exception_.clear();
-  d->last_exception_handle_.Reset();
-}
-
-void ThrowInvalidArgument(v8::Isolate* isolate) {
-  isolate->ThrowException(v8::Exception::TypeError(v8_str("Invalid Argument")));
-}
-
-}  // namespace deno