Move sloppy block function hoisting logic from Parser to Scope.

src/ast/scopes.h

 // Copyright 2012 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_AST_SCOPES_H_
 #define V8_AST_SCOPES_H_
 
 #include "src/ast/ast.h"
 #include "src/base/hashmap.h"
 #include "src/globals.h"
@@ skipping 725 matching lines @@
     // Temporaries are only placed in ClosureScopes.
     DCHECK_EQ(GetClosureScope(), this);
     locals_.Add(var, zone());
   }
 
   void DeclareSloppyBlockFunction(const AstRawString* name,
                                   SloppyBlockFunctionStatement* statement) {
     sloppy_block_function_map_.Declare(zone(), name, statement);
   }
 
+  // Go through sloppy_block_function_map_ and hoist those (into this scope)
+  // which should be hoisted.
+  void HoistSloppyBlockFunctions(AstNodeFactory* factory, bool* ok);
+
   SloppyBlockFunctionMap* sloppy_block_function_map() {
     return &sloppy_block_function_map_;
   }
 
   // Compute top scope and allocate variables. For lazy compilation the top
   // scope only contains the single lazily compiled function, so this
   // doesn't re-allocate variables repeatedly.
   static void Analyze(ParseInfo* info, AnalyzeMode mode);
 
   // To be called during parsing. Do just enough scope analysis that we can
@@ skipping 96 matching lines @@
   void AllocateModuleVariables();
 
  private:
   ModuleDescriptor* module_descriptor_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_SCOPES_H_