[wasm] Rename ast-decoder.* to function-body-decoder.*

src/wasm/wasm-text.cc

 // Copyright 2016 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-text.h"
 
 #include "src/debug/interface-types.h"
 #include "src/ostreams.h"
 #include "src/vector.h"
-#include "src/wasm/ast-decoder.h"
+#include "src/wasm/function-body-decoder.h"
 #include "src/wasm/wasm-module.h"
 #include "src/wasm/wasm-opcodes.h"
 #include "src/zone/zone.h"
 
 using namespace v8;
 using namespace v8::internal;
 using namespace v8::internal::wasm;
 
 namespace {
 const char *GetOpName(WasmOpcode opcode) {
@@ skipping 140 matching lines @@
   if (return_count) {
     os << " (result";
     for (size_t i = 0; i < return_count; ++i)
       os << ' ' << WasmOpcodes::TypeName(fun->sig->GetReturn(i));
     os << ')';
   }
   os << "\n";
   ++line_nr;
 
   // Print the local declarations.
-  AstLocalDecls decls(&zone);
+  BodyLocalDecls decls(&zone);
   Vector<const byte> func_bytes = wire_bytes.module_bytes.SubVector(
       fun->code_start_offset, fun->code_end_offset);
   BytecodeIterator i(func_bytes.begin(), func_bytes.end(), &decls);
   DCHECK_LT(func_bytes.begin(), i.pc());
   if (!decls.local_types.empty()) {
     os << "(local";
     for (auto p : decls.local_types) {
       for (unsigned i = 0; i < p.second; ++i)
         os << ' ' << WasmOpcodes::TypeName(p.first);
     }
@@ skipping 123 matching lines @@
       default:
         UNREACHABLE();
         break;
     }
     os << '\n';
     ++line_nr;
   }
   DCHECK_EQ(0, control_depth);
   DCHECK(i.ok());
 }