Hide WasmModule.origin field behind readable accessors.

src/wasm/function-body-decoder.cc

 // 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.
 
 #include "src/signature.h"
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/bit-vector.h"
 #include "src/flags.h"
 #include "src/handles.h"
@@ skipping 17 matching lines @@
 
 #if DEBUG
 #define TRACE(...)                                    \
   do {                                                \
     if (FLAG_trace_wasm_decoder) PrintF(__VA_ARGS__); \
   } while (false)
 #else
 #define TRACE(...)
 #endif
 
-#define CHECK_PROTOTYPE_OPCODE(flag)                           \
-  if (module_ != nullptr && module_->origin == kAsmJsOrigin) { \
-    error("Opcode not supported for asmjs modules");           \
-  }                                                            \
-  if (!FLAG_##flag) {                                          \
-    error("Invalid opcode (enable with --" #flag ")");         \
-    break;                                                     \
+#define CHECK_PROTOTYPE_OPCODE(flag)                   \
+  if (module_ != nullptr && module_->is_asm_js()) {    \
+    error("Opcode not supported for asmjs modules");   \
+  }                                                    \
+  if (!FLAG_##flag) {                                  \
+    error("Invalid opcode (enable with --" #flag ")"); \
+    break;                                             \
   }
 
 // An SsaEnv environment carries the current local variable renaming
 // as well as the current effect and control dependency in the TF graph.
 // It maintains a control state that tracks whether the environment
 // is reachable, has reached a control end, or has been merged.
 struct SsaEnv {
   enum State { kControlEnd, kUnreachable, kReached, kMerged };
 
   State state;
@@ skipping 1132 matching lines @@
           case kExprF64StoreMem:
             len = DecodeStoreMem(kWasmF64, MachineType::Float64());
             break;
           case kExprS128StoreMem:
             len = DecodeStoreMem(kWasmS128, MachineType::Simd128());
             break;
           case kExprGrowMemory: {
             if (!CheckHasMemory()) break;
             MemoryIndexOperand operand(this, pc_);
             DCHECK_NOT_NULL(module_);
-            if (module_->origin != kAsmJsOrigin) {
+            if (module_->is_wasm()) {
               Value val = Pop(0, kWasmI32);
               Push(kWasmI32, BUILD(GrowMemory, val.node));
             } else {
               error("grow_memory is not supported for asmjs modules");
             }
             len = 1 + operand.length;
             break;
           }
           case kExprMemorySize: {
             if (!CheckHasMemory()) break;
@@ skipping 30 matching lines @@
             CHECK_PROTOTYPE_OPCODE(wasm_simd_prototype);
             len++;
             byte simd_index = checked_read_u8(pc_, 1, "simd index");
             opcode = static_cast<WasmOpcode>(opcode << 8 | simd_index);
             TRACE("  @%-4d #%-20s|", startrel(pc_),
                   WasmOpcodes::OpcodeName(opcode));
             len += DecodeSimdOpcode(opcode);
             break;
           }
           case kAtomicPrefix: {
-            if (module_ == nullptr || module_->origin != kAsmJsOrigin) {
+            if (module_ == nullptr || !module_->is_asm_js()) {
               error("Atomics are allowed only in AsmJs modules");
               break;
             }
             if (!FLAG_wasm_atomics_prototype) {
               error("Invalid opcode (enable with --wasm_atomics_prototype)");
               break;
             }
             len = 2;
             byte atomic_opcode = checked_read_u8(pc_, 1, "atomic index");
             opcode = static_cast<WasmOpcode>(opcode << 8 | atomic_opcode);
             sig = WasmOpcodes::AtomicSignature(opcode);
             if (sig) {
               BuildAtomicOperator(opcode);
             }
             break;
           }
           default: {
             // Deal with special asmjs opcodes.
-            if (module_ != nullptr && module_->origin == kAsmJsOrigin) {
+            if (module_ != nullptr && module_->is_asm_js()) {
               sig = WasmOpcodes::AsmjsSignature(opcode);
               if (sig) {
                 BuildSimpleOperator(opcode, sig);
               }
             } else {
               error("Invalid opcode");
               return;
             }
           }
         }
@@ skipping 889 matching lines @@
 BitVector* AnalyzeLoopAssignmentForTesting(Zone* zone, size_t num_locals,
                                            const byte* start, const byte* end) {
   Decoder decoder(start, end);
   return WasmDecoder::AnalyzeLoopAssignment(&decoder, start,
                                             static_cast<int>(num_locals), zone);
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8