Use "define" instead of "const" for natives macros

tools/js2c.py

 #!/usr/bin/env python
 #
 # 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
@@ skipping 140 matching lines @@
 class PythonMacro:
   def __init__(self, args, fun):
     self.args = args
     self.fun = fun
   def expand(self, mapping):
     args = []
     for arg in self.args:
       args.append(mapping[arg])
     return str(self.fun(*args))
 
-CONST_PATTERN = re.compile(r'^const\s+([a-zA-Z0-9_]+)\s*=\s*([^;]*);$')
+CONST_PATTERN = re.compile(r'^define\s+([a-zA-Z0-9_]+)\s*=\s*([^;]*);$')
 MACRO_PATTERN = re.compile(r'^macro\s+([a-zA-Z0-9_]+)\s*\(([^)]*)\)\s*=\s*([^;]*);$')
 PYTHON_MACRO_PATTERN = re.compile(r'^python\s+macro\s+([a-zA-Z0-9_]+)\s*\(([^)]*)\)\s*=\s*([^;]*);$')
 
 
 def ReadMacros(lines):
   constants = []
   macros = []
   for line in lines.split('\n'):
     hash = line.find('#')
     if hash != -1: line = line[:hash]
@@ skipping 61 matching lines @@
     macro = TextMacro(args, body)
 
     # advance position to where the macro defintion was
     pos = macro_match.start()
 
     def non_expander(s):
       return s
     lines = ExpandMacroDefinition(lines, pos, name_pattern, macro, non_expander)
 
 
-INLINE_CONSTANT_PATTERN = re.compile(r'const\s+([a-zA-Z0-9_]+)\s*=\s*([^;\n]+)[;\n]')
+INLINE_CONSTANT_PATTERN = re.compile(r'define\s+([a-zA-Z0-9_]+)\s*=\s*([^;\n]+)[;\n]')
 
 def ExpandInlineConstants(lines):
   pos = 0
   while True:
     const_match = INLINE_CONSTANT_PATTERN.search(lines, pos)
     if const_match is None:
       # no more constants
       return lines
     name = const_match.group(1)
     replacement = const_match.group(2)
@@ skipping 307 matching lines @@
       out.cc: C code to be generated.
       type: type parameter for NativesCollection template.
       sources.js: JS internal sources or macros.py.""")
   (options, args) = parser.parse_args()
 
   JS2C(args[2:], args[0], args[1], options.raw, options.startup_blob)
 
 
 if __name__ == "__main__":
   main()