[ABANDONED] Implement Promises.

Source/core/core_derived_sources.gyp

 #
 # Copyright (C) 2013 Google Inc. 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 610 matching lines @@
             'css/makegrammar.pl',
             '--outputDir',
             '<(SHARED_INTERMEDIATE_DIR)/webkit/',
             '--extraDefines',
             '<(feature_defines)',
             '--preprocessOnly',
             '<@(preprocessor)',
             '<@(_inputs)',
           ],
         },
+        {
+          'action_name': 'generatePromiseCustomScript',

[abarth-chromium, 2013/06/14 05:07:08]

Can we do this with a rule rather than having a separate named action for every
JS file?  We might need to invent a new file extension like ".blinkjs" to
trigger the rule.

+          'inputs': [
+            'dom/Promise.js',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/PromiseCustomScript.h',
+          ],
+          'msvs_cygwin_shell': 0,
+          'action': [
+            '<(perl_exe)',
+            'inspector/xxd.pl',
+            'Promise_js',
+            '<@(_inputs)',
+            '<@(_outputs)'
+          ],
+          'message': 'Generating PromiseCustomScript.h from Promise.js',
+        },
+        {
+          'action_name': 'generatePromiseResolverCustomScript',
+          'inputs': [
+            'dom/PromiseResolver.js',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/PromiseResolverCustomScript.h',
+          ],
+          'msvs_cygwin_shell': 0,
+          'action': [
+            '<(perl_exe)',
+            'inspector/xxd.pl',
+            'PromiseResolver_js',
+            '<@(_inputs)',
+            '<@(_outputs)'
+          ],
+          'message': 'Generating PromiseResolverCustomScript.h from PromiseResolver.js',
+        },
       ],
       'rules': [
         {
           'rule_name': 'bison',
           'extension': 'y',
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).cpp',
             '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).h'
           ],
           'action': [
@@ skipping 20 matching lines @@
             'scripts/make-hash-tools.pl',
             '<(SHARED_INTERMEDIATE_DIR)/webkit',
             '<(RULE_INPUT_PATH)',
             '<(gperf_exe)',
           ],
         },
       ],
     },
   ],
 }