deps/v8/src/runtime/runtime-proxy.cc

   1 // Copyright 2014 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "src/v8.h"
   6
   7 #include "src/arguments.h"
   8 #include "src/runtime/runtime-utils.h"
   9
  10 namespace v8 {
  11 namespace internal {
  12
  13 RUNTIME_FUNCTION(Runtime_CreateJSProxy) {
  14   HandleScope scope(isolate);
  15   DCHECK(args.length() == 2);
  16   CONVERT_ARG_HANDLE_CHECKED(JSReceiver, handler, 0);
  17   CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 1);
  18   if (!prototype->IsJSReceiver()) prototype = isolate->factory()->null_value();
  19   return *isolate->factory()->NewJSProxy(handler, prototype);
  20 }
  21
  22
  23 RUNTIME_FUNCTION(Runtime_CreateJSFunctionProxy) {
  24   HandleScope scope(isolate);
  25   DCHECK(args.length() == 4);
  26   CONVERT_ARG_HANDLE_CHECKED(JSReceiver, handler, 0);
  27   CONVERT_ARG_HANDLE_CHECKED(Object, call_trap, 1);
  28   RUNTIME_ASSERT(call_trap->IsJSFunction() || call_trap->IsJSFunctionProxy());
  29   CONVERT_ARG_HANDLE_CHECKED(JSFunction, construct_trap, 2);
  30   CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 3);
  31   if (!prototype->IsJSReceiver()) prototype = isolate->factory()->null_value();
  32   return *isolate->factory()->NewJSFunctionProxy(handler, call_trap,
  33                                                  construct_trap, prototype);
  34 }
  35
  36
  37 RUNTIME_FUNCTION(RuntimeReference_IsJSProxy) {
  38   SealHandleScope shs(isolate);
  39   DCHECK(args.length() == 1);
  40   CONVERT_ARG_CHECKED(Object, obj, 0);
  41   return isolate->heap()->ToBoolean(obj->IsJSProxy());
  42 }
  43
  44
  45 RUNTIME_FUNCTION(Runtime_IsJSFunctionProxy) {
  46   SealHandleScope shs(isolate);
  47   DCHECK(args.length() == 1);
  48   CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
  49   return isolate->heap()->ToBoolean(obj->IsJSFunctionProxy());
  50 }
  51
  52
  53 RUNTIME_FUNCTION(Runtime_GetHandler) {
  54   SealHandleScope shs(isolate);
  55   DCHECK(args.length() == 1);
  56   CONVERT_ARG_CHECKED(JSProxy, proxy, 0);
  57   return proxy->handler();
  58 }
  59
  60
  61 RUNTIME_FUNCTION(Runtime_GetCallTrap) {
  62   SealHandleScope shs(isolate);
  63   DCHECK(args.length() == 1);
  64   CONVERT_ARG_CHECKED(JSFunctionProxy, proxy, 0);
  65   return proxy->call_trap();
  66 }
  67
  68
  69 RUNTIME_FUNCTION(Runtime_GetConstructTrap) {
  70   SealHandleScope shs(isolate);
  71   DCHECK(args.length() == 1);
  72   CONVERT_ARG_CHECKED(JSFunctionProxy, proxy, 0);
  73   return proxy->construct_trap();
  74 }
  75
  76
  77 RUNTIME_FUNCTION(Runtime_Fix) {
  78   HandleScope scope(isolate);
  79   DCHECK(args.length() == 1);
  80   CONVERT_ARG_HANDLE_CHECKED(JSProxy, proxy, 0);
  81   JSProxy::Fix(proxy);
  82   return isolate->heap()->undefined_value();
  83 }
  84 }
  85 }  // namespace v8::internal