From aaabc853e84a03f72208c0e80634bd986c3ca4e2 Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Sun, 19 Aug 2018 16:44:10 +0900
Subject: chore: move libdeno files to //libdeno/

---
 libdeno/from_filesystem.cc | 56 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 libdeno/from_filesystem.cc

(limited to 'libdeno/from_filesystem.cc')

diff --git a/libdeno/from_filesystem.cc b/libdeno/from_filesystem.cc
new file mode 100644
index 000000000..fa50c0515
--- /dev/null
+++ b/libdeno/from_filesystem.cc
@@ -0,0 +1,56 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+// This file is used to load the bundle at start for deno_ns.
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+
+#include "third_party/v8/include/v8.h"
+#include "third_party/v8/src/base/logging.h"
+
+#include "deno.h"
+#include "file_util.h"
+#include "internal.h"
+
+namespace deno {
+
+Deno* NewFromFileSystem(void* data, deno_recv_cb cb) {
+  std::string js_source;
+  CHECK(deno::ReadFileToString(BUNDLE_LOCATION, &js_source));
+
+  std::string js_source_map;
+  CHECK(deno::ReadFileToString(BUNDLE_MAP_LOCATION, &js_source_map));
+
+  Deno* d = new Deno;
+  d->currentArgs = nullptr;
+  d->cb = cb;
+  d->data = data;
+  v8::Isolate::CreateParams params;
+  params.array_buffer_allocator =
+      v8::ArrayBuffer::Allocator::NewDefaultAllocator();
+  v8::Isolate* isolate = v8::Isolate::New(params);
+  AddIsolate(d, isolate);
+
+  v8::Locker locker(isolate);
+  v8::Isolate::Scope isolate_scope(isolate);
+  {
+    v8::HandleScope handle_scope(isolate);
+    auto context = v8::Context::New(isolate);
+    // BUNDLE_LOCATION is absolute so deno_ns can load the bundle independently
+    // of the cwd. However for source maps to work, the bundle location relative
+    // to the build path must be supplied: BUNDLE_REL_LOCATION.
+    InitializeContext(isolate, context, BUNDLE_REL_LOCATION, js_source,
+                      &js_source_map);
+    d->context.Reset(d->isolate, context);
+  }
+
+  return d;
+}
+
+}  // namespace deno
+
+extern "C" {
+Deno* deno_new(void* data, deno_recv_cb cb) {
+  return deno::NewFromFileSystem(data, cb);
+}
+}
-- 
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