Version 3.0.10...

src/objects.h

 // Copyright 2010 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 437 matching lines @@
 // heap.cc and mark-compact.cc.
 const uint32_t kShortcutTypeMask =
     kIsNotStringMask |
     kIsSymbolMask |
     kStringRepresentationMask;
 const uint32_t kShortcutTypeTag = kConsStringTag;
 
 
 enum InstanceType {
   // String types.
+  // FIRST_STRING_TYPE
   SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kSeqStringTag,
   ASCII_SYMBOL_TYPE = kAsciiStringTag | kSymbolTag | kSeqStringTag,
   CONS_SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kConsStringTag,
   CONS_ASCII_SYMBOL_TYPE = kAsciiStringTag | kSymbolTag | kConsStringTag,
   EXTERNAL_SYMBOL_TYPE = kTwoByteStringTag | kSymbolTag | kExternalStringTag,
   EXTERNAL_SYMBOL_WITH_ASCII_DATA_TYPE =
       kTwoByteStringTag | kSymbolTag | kExternalStringTag | kAsciiDataHintTag,
   EXTERNAL_ASCII_SYMBOL_TYPE =
       kAsciiStringTag | kSymbolTag | kExternalStringTag,
   STRING_TYPE = kTwoByteStringTag | kSeqStringTag,
   ASCII_STRING_TYPE = kAsciiStringTag | kSeqStringTag,
   CONS_STRING_TYPE = kTwoByteStringTag | kConsStringTag,
   CONS_ASCII_STRING_TYPE = kAsciiStringTag | kConsStringTag,
   EXTERNAL_STRING_TYPE = kTwoByteStringTag | kExternalStringTag,
   EXTERNAL_STRING_WITH_ASCII_DATA_TYPE =
       kTwoByteStringTag | kExternalStringTag | kAsciiDataHintTag,
+  // LAST_STRING_TYPE
   EXTERNAL_ASCII_STRING_TYPE = kAsciiStringTag | kExternalStringTag,
   PRIVATE_EXTERNAL_ASCII_STRING_TYPE = EXTERNAL_ASCII_STRING_TYPE,
 
   // Objects allocated in their own spaces (never in new space).
   MAP_TYPE = kNotStringTag,  // FIRST_NONSTRING_TYPE
   CODE_TYPE,
   ODDBALL_TYPE,
   JS_GLOBAL_PROPERTY_CELL_TYPE,
 
   // "Data", objects that cannot contain non-map-word pointers to heap
@@ skipping 32 matching lines @@
   FIXED_ARRAY_TYPE,
   SHARED_FUNCTION_INFO_TYPE,
 
   JS_VALUE_TYPE,  // FIRST_JS_OBJECT_TYPE
   JS_OBJECT_TYPE,
   JS_CONTEXT_EXTENSION_OBJECT_TYPE,
   JS_GLOBAL_OBJECT_TYPE,
   JS_BUILTINS_OBJECT_TYPE,
   JS_GLOBAL_PROXY_TYPE,
   JS_ARRAY_TYPE,
-  JS_REGEXP_TYPE,  // LAST_JS_OBJECT_TYPE
+
+  JS_REGEXP_TYPE,  // LAST_JS_OBJECT_TYPE, FIRST_FUNCTION_CLASS_TYPE
 
   JS_FUNCTION_TYPE,
 
   // Pseudo-types
   FIRST_TYPE = 0x0,
   LAST_TYPE = JS_FUNCTION_TYPE,
   INVALID_TYPE = FIRST_TYPE - 1,
   FIRST_NONSTRING_TYPE = MAP_TYPE,
+  FIRST_STRING_TYPE = FIRST_TYPE,
+  LAST_STRING_TYPE = FIRST_NONSTRING_TYPE - 1,
   // Boundaries for testing for an external array.
   FIRST_EXTERNAL_ARRAY_TYPE = EXTERNAL_BYTE_ARRAY_TYPE,
   LAST_EXTERNAL_ARRAY_TYPE = EXTERNAL_FLOAT_ARRAY_TYPE,
   // Boundary for promotion to old data space/old pointer space.
   LAST_DATA_TYPE = FILLER_TYPE,
   // Boundaries for testing the type is a JavaScript "object".  Note that
   // function objects are not counted as objects, even though they are
   // implemented as such; only values whose typeof is "object" are included.
   FIRST_JS_OBJECT_TYPE = JS_VALUE_TYPE,
-  LAST_JS_OBJECT_TYPE = JS_REGEXP_TYPE
+  LAST_JS_OBJECT_TYPE = JS_REGEXP_TYPE,
+  // RegExp objects have [[Class]] "function" because they are callable.
+  // All types from this type and above are objects with [[Class]] "function".
+  FIRST_FUNCTION_CLASS_TYPE = JS_REGEXP_TYPE
 };
 
 
 STATIC_CHECK(JS_OBJECT_TYPE == Internals::kJSObjectType);
 STATIC_CHECK(FIRST_NONSTRING_TYPE == Internals::kFirstNonstringType);
 STATIC_CHECK(PROXY_TYPE == Internals::kProxyType);
 
 
 enum CompareResult {
   LESS      = -1,
@@ skipping 3504 matching lines @@
   // Currently it either has FunctionTemplateInfo to make benefit the API
   // or Smi identifying a builtin function.
   // In the long run we don't want all functions to have this field but
   // we can fix that when we have a better model for storing hidden data
   // on objects.
   DECL_ACCESSORS(function_data, Object)
 
   inline bool IsApiFunction();
   inline FunctionTemplateInfo* get_api_func_data();
   inline bool HasBuiltinFunctionId();
-  inline bool IsBuiltinMathFunction();
   inline BuiltinFunctionId builtin_function_id();
 
   // [script info]: Script from which the function originates.
   DECL_ACCESSORS(script, Object)
 
   // [num_literals]: Number of literals used by this function.
   inline int num_literals();
   inline void set_num_literals(int value);
 
   // [start_position_and_type]: Field used to store both the source code
@@ skipping 2337 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_