Line data    Source code

       1             : // Copyright 2018 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/wasm/wasm-features.h"
       6             : #include "src/flags.h"
       7             : #include "src/handles-inl.h"
       8             : #include "src/isolate.h"
       9             : 
      10             : namespace v8 {
      11             : namespace internal {
      12             : namespace wasm {
      13             : 
      14             : #define COMMA ,
      15             : #define SPACE
      16             : #define DO_UNION(feat, desc, val) dst->feat |= src.feat;
      17             : #define FLAG_REF(feat, desc, val) FLAG_experimental_wasm_##feat
      18             : 
      19      469500 : void UnionFeaturesInto(WasmFeatures* dst, const WasmFeatures& src) {
      20      469500 :   FOREACH_WASM_FEATURE(DO_UNION, SPACE);
      21      469500 : }
      22             : 
      23     1630350 : WasmFeatures WasmFeaturesFromFlags() {
      24     3260700 :   return WasmFeatures{FOREACH_WASM_FEATURE(FLAG_REF, COMMA)};
      25             : }
      26             : 
      27     1540208 : WasmFeatures WasmFeaturesFromIsolate(Isolate* isolate) {
      28     1540208 :   WasmFeatures features = WasmFeaturesFromFlags();
      29             :   features.threads |=
      30     1540210 :       isolate->AreWasmThreadsEnabled(handle(isolate->context(), isolate));
      31     1540208 :   return features;
      32             : }
      33             : 
      34             : #undef DO_UNION
      35             : #undef FLAG_REF
      36             : #undef SPACE
      37             : #undef COMMA
      38             : }  // namespace wasm
      39             : }  // namespace internal
      40      122004 : }  // namespace v8