Handlify CompilationCache.

src/compilation-cache.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 88 matching lines @@
                                     Handle<Object> name,
                                     int line_offset,
                                     int column_offset,
                                     bool is_shared_cross_origin,
                                     Handle<Context> context);
   void Put(Handle<String> source,
            Handle<Context> context,
            Handle<SharedFunctionInfo> function_info);
 
  private:
-  MUST_USE_RESULT MaybeObject* TryTablePut(
-      Handle<String> source,
-      Handle<Context> context,
-      Handle<SharedFunctionInfo> function_info);
-
-  // Note: Returns a new hash table if operation results in expansion.
-  Handle<CompilationCacheTable> TablePut(
-      Handle<String> source,
-      Handle<Context> context,
-      Handle<SharedFunctionInfo> function_info);
-
   bool HasOrigin(Handle<SharedFunctionInfo> function_info,
                  Handle<Object> name,
                  int line_offset,
                  int column_offset,
                  bool is_shared_cross_origin);
 
   void* script_histogram_;
   bool script_histogram_initialized_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript);
@@ skipping 10 matching lines @@
 //    Note: Currently there are clients of CompileEval that always compile
 //    sloppy code even if the calling function is a strict mode function.
 //    More specifically these are the CompileString, DebugEvaluate and
 //    DebugEvaluateGlobal runtime functions.
 // 4. The start position of the calling scope.
 class CompilationCacheEval: public CompilationSubCache {
  public:
   CompilationCacheEval(Isolate* isolate, int generations)
       : CompilationSubCache(isolate, generations) { }
 
-  Handle<SharedFunctionInfo> Lookup(Handle<String> source,
-                                    Handle<Context> context,
-                                    StrictMode strict_mode,
-                                    int scope_position);
+  MaybeHandle<SharedFunctionInfo> Lookup(Handle<String> source,
+                                         Handle<Context> context,
+                                         StrictMode strict_mode,
+                                         int scope_position);
 
   void Put(Handle<String> source,
            Handle<Context> context,
            Handle<SharedFunctionInfo> function_info,
            int scope_position);
 
  private:
-  MUST_USE_RESULT MaybeObject* TryTablePut(
-      Handle<String> source,
-      Handle<Context> context,
-      Handle<SharedFunctionInfo> function_info,
-      int scope_position);
-
-  // Note: Returns a new hash table if operation results in expansion.
-  Handle<CompilationCacheTable> TablePut(
-      Handle<String> source,
-      Handle<Context> context,
-      Handle<SharedFunctionInfo> function_info,
-      int scope_position);
-
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheEval);
 };
 
 
 // Sub-cache for regular expressions.
 class CompilationCacheRegExp: public CompilationSubCache {
  public:
   CompilationCacheRegExp(Isolate* isolate, int generations)
       : CompilationSubCache(isolate, generations) { }
 
-  Handle<FixedArray> Lookup(Handle<String> source, JSRegExp::Flags flags);
+  MaybeHandle<FixedArray> Lookup(Handle<String> source, JSRegExp::Flags flags);
 
   void Put(Handle<String> source,
            JSRegExp::Flags flags,
            Handle<FixedArray> data);
  private:
-  MUST_USE_RESULT MaybeObject* TryTablePut(Handle<String> source,
-                                      JSRegExp::Flags flags,
-                                      Handle<FixedArray> data);
-
-  // Note: Returns a new hash table if operation results in expansion.
-  Handle<CompilationCacheTable> TablePut(Handle<String> source,
-                                         JSRegExp::Flags flags,
-                                         Handle<FixedArray> data);
-
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheRegExp);
 };
 
 
 // The compilation cache keeps shared function infos for compiled
 // scripts and evals. The shared function infos are looked up using
 // the source string as the key. For regular expressions the
 // compilation data is cached.
 class CompilationCache {
  public:
   // Finds the script shared function info for a source
   // string. Returns an empty handle if the cache doesn't contain a
   // script for the given source string with the right origin.
-  Handle<SharedFunctionInfo> LookupScript(Handle<String> source,
-                                          Handle<Object> name,
-                                          int line_offset,
-                                          int column_offset,
-                                          bool is_shared_cross_origin,
-                                          Handle<Context> context);
+  MaybeHandle<SharedFunctionInfo> LookupScript(
+      Handle<String> source, Handle<Object> name, int line_offset,
+      int column_offset, bool is_shared_cross_origin, Handle<Context> context);
 
   // Finds the shared function info for a source string for eval in a
   // given context.  Returns an empty handle if the cache doesn't
   // contain a script for the given source string.
-  Handle<SharedFunctionInfo> LookupEval(Handle<String> source,
-                                        Handle<Context> context,
-                                        StrictMode strict_mode,
-                                        int scope_position);
+  MaybeHandle<SharedFunctionInfo> LookupEval(
+      Handle<String> source, Handle<Context> context, StrictMode strict_mode,
+      int scope_position);
 
   // Returns the regexp data associated with the given regexp if it
   // is in cache, otherwise an empty handle.
-  Handle<FixedArray> LookupRegExp(Handle<String> source,
-                                  JSRegExp::Flags flags);
+  MaybeHandle<FixedArray> LookupRegExp(
+      Handle<String> source, JSRegExp::Flags flags);
 
   // Associate the (source, kind) pair to the shared function
   // info. This may overwrite an existing mapping.
   void PutScript(Handle<String> source,
                  Handle<Context> context,
                  Handle<SharedFunctionInfo> function_info);
 
   // Associate the (source, context->closure()->shared(), kind) triple
   // with the shared function info. This may overwrite an existing mapping.
   void PutEval(Handle<String> source,
@@ skipping 53 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationCache);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILATION_CACHE_H_