[wasm] simplify dependencies between graph builder and function decoder

src/compiler/wasm-compiler.h

 // Copyright 2015 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.
 
 #ifndef V8_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 91 matching lines @@
                                     const wasm::WasmModule* module,
                                     Handle<Code> wasm_code, uint32_t index);
 
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
 class WasmTrapHelper;
 typedef ZoneVector<Node*> NodeVector;
 class WasmGraphBuilder {
  public:
   WasmGraphBuilder(
-      Zone* z, JSGraph* g, wasm::FunctionSig* sig,
+      wasm::ModuleEnv* module_env, Zone* z, JSGraph* g, wasm::FunctionSig* sig,
       compiler::SourcePositionTable* source_position_table = nullptr);
 
   Node** Buffer(size_t count) {
     if (count > cur_bufsize_) {
       size_t new_size = count + cur_bufsize_ + 5;
       cur_buffer_ =
           reinterpret_cast<Node**>(zone_->New(new_size * sizeof(Node*)));
       cur_bufsize_ = new_size;
     }
     return cur_buffer_;
@@ skipping 76 matching lines @@
                 wasm::WasmCodePosition position);
   Node* StoreMem(MachineType type, Node* index, uint32_t offset,
                  uint32_t alignment, Node* val,
                  wasm::WasmCodePosition position);
 
   static void PrintDebugName(Node* node);
 
   Node* Control() { return *control_; }
   Node* Effect() { return *effect_; }
 
-  void set_module(wasm::ModuleEnv* module) { this->module_ = module; }
-
   void set_control_ptr(Node** control) { this->control_ = control; }
 
   void set_effect_ptr(Node** effect) { this->effect_ = effect; }
 
   wasm::FunctionSig* GetFunctionSignature() { return sig_; }
 
   void Int64LoweringForTesting();
 
   void SimdScalarLoweringForTesting();
 
   void SetSourcePosition(Node* node, wasm::WasmCodePosition position);
 
   Node* CreateS128Value(int32_t value);
 
   Node* SimdOp(wasm::WasmOpcode opcode, const NodeVector& inputs);
 
   Node* SimdLaneOp(wasm::WasmOpcode opcode, uint8_t lane,
                    const NodeVector& inputs);
 
   bool has_simd() const { return has_simd_; }
 
+  wasm::ModuleEnv* module_env() const { return module_; }
+
  private:
   static const int kDefaultBufferSize = 16;
   friend class WasmTrapHelper;
 
   Zone* zone_;
   JSGraph* jsgraph_;
   wasm::ModuleEnv* module_ = nullptr;
   Node* mem_buffer_ = nullptr;
   Node* mem_size_ = nullptr;
   NodeVector function_tables_;
@@ skipping 129 matching lines @@
   }
 
   int AddParameterNodes(Node** args, int pos, int param_count,
                         wasm::FunctionSig* sig);
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_