Add Encoder

BUILD.gn

@@ -4314,6 +4314,7 @@ v8_source_set("v8_base_without_compiler") {
     "src/builtins/builtins-internal.cc",
     "src/builtins/builtins-intl.cc",
     "src/builtins/builtins-json.cc",
+    "src/builtins/builtins-encoder.cc",
     "src/builtins/builtins-number.cc",
     "src/builtins/builtins-object.cc",
     "src/builtins/builtins-reflect.cc",

src/builtins/builtins-definitions.h

@@ -620,6 +620,9 @@ namespace internal {
   CPP(JsonParse)                                                               \
   CPP(JsonStringify)                                                           \
                                                                                \
+  /* ENCODER */                                                                \
+  CPP(Encode)                                                                  \
+                                                                               \
   /* Web snapshots */                                                          \
   CPP(WebSnapshotSerialize)                                                    \
   CPP(WebSnapshotDeserialize)                                                  \

src/builtins/builtins-encoder.cc

+
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "src/builtins/builtins.h"
+#include "src/builtins/builtins-utils-inl.h"
+#include "src/objects/string.h"
+#include "src/strings/string-builder-inl.h"
+
+
+
+namespace v8 {
+namespace internal {
+
+BUILTIN(Encode) {
+    HandleScope scope(isolate);
+
+    IncrementalStringBuilder builder(isolate);
+
+    /* Encoding */
+    builder.AppendCString("Encoding...");
+
+    open("/home/linshizhi/file", O_RDWR | O_CREAT);
+
+
+    RETURN_RESULT_OR_FAILURE(isolate, builder.Finish());
+}
+
+
+} // namespace internal
+} // namespace v8

src/init/bootstrapper.cc

@@ -2786,6 +2786,14 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
     InstallToStringTag(isolate_, json_object, "JSON");
   }
 
+  { // -- E N C O D E R
+    Handle<JSObject> encoder_object =
+        factory->NewJSObject(isolate_->object_function(), AllocationType::kOld);
+    JSObject::AddProperty(isolate_, global, "ENCODER", encoder_object, DONT_ENUM);
+    SimpleInstallFunction(isolate_, encoder_object, "encode", Builtin::kEncode, 0, true);
+    InstallToStringTag(isolate_, encoder_object, "ENCODER");
+  }
+
   {  // -- M a t h
     Handle<JSObject> math =
         factory->NewJSObject(isolate_->object_function(), AllocationType::kOld);