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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/wasm/wasm-features.h"
#include "src/execution/isolate.h"
#include "src/flags/flags.h"
#include "src/handles/handles-inl.h"
namespace v8 {
namespace internal {
namespace wasm {
// static
WasmFeatures WasmFeatures::FromFlags() {
WasmFeatures features = WasmFeatures::None();
#define FLAG_REF(feat, ...) \
if (FLAG_experimental_wasm_##feat) features.Add(kFeature_##feat);
FOREACH_WASM_FEATURE(FLAG_REF)
#undef FLAG_REF
return features;
}
// static
WasmFeatures WasmFeatures::FromIsolate(Isolate* isolate) {
return FromContext(isolate, handle(isolate->context(), isolate));
}
// static
WasmFeatures WasmFeatures::FromContext(Isolate* isolate,
Handle<Context> context) {
WasmFeatures features = WasmFeatures::FromFlags();
if (isolate->IsWasmSimdEnabled(context)) {
features.Add(kFeature_simd);
}
if (isolate->AreWasmExceptionsEnabled(context)) {
features.Add(kFeature_eh);
}
return features;
}
} // namespace wasm
} // namespace internal
} // namespace v8
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