// Copyright 2021 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-init-expr.h" #include "src/wasm/wasm-features.h" #include "src/wasm/wasm-module.h" namespace v8 { namespace internal { namespace wasm { ValueType WasmInitExpr::type(const WasmModule* module, const WasmFeatures& enabled_features) const { switch (kind()) { case kNone: return kWasmBottom; case kGlobalGet: return immediate().index < module->globals.size() ? module->globals[immediate().index].type : kWasmBottom; case kI32Const: return kWasmI32; case kI64Const: return kWasmI64; case kF32Const: return kWasmF32; case kF64Const: return kWasmF64; case kS128Const: return kWasmS128; case kRefFuncConst: { uint32_t heap_type = enabled_features.has_typed_funcref() ? module->functions[immediate().index].sig_index : HeapType::kFunc; return ValueType::Ref(heap_type, kNonNullable); } case kRefNullConst: return ValueType::Ref(immediate().heap_type, kNullable); case kStructNewWithRtt: case kStructNew: case kStructNewDefaultWithRtt: case kStructNewDefault: case kArrayInit: case kArrayInitStatic: return ValueType::Ref(immediate().index, kNonNullable); case kRttCanon: return ValueType::Rtt(immediate().heap_type); } } } // namespace wasm } // namespace internal } // namespace v8