[es6] implement spread calls

src/flag-definitions.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.
 
 // This file defines all of the flags.  It is separated into different section,
 // for Debug, Release, Logging and Profiling, etc.  To add a new flag, find the
 // correct section, and use one of the DEFINE_ macros, without a trailing ';'.
 //
 // This include does not have a guard, because it is a template-style include,
 // which can be included multiple times in different modes.  It expects to have
@@ skipping 163 matching lines @@
 
 DEFINE_BOOL(strong_mode, false, "experimental strong language mode")
 DEFINE_IMPLICATION(use_strong, strong_mode)
 
 DEFINE_BOOL(es_staging, false, "enable all completed harmony features")
 DEFINE_BOOL(harmony, false, "enable all completed harmony features")
 DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony fetaures")
 DEFINE_IMPLICATION(harmony, es_staging)
 DEFINE_IMPLICATION(es_staging, harmony)
 
+
 // Features that are still work in progress (behind individual flags).
 #define HARMONY_INPROGRESS(V)                                           \
   V(harmony_modules, "harmony modules (implies block scoping)")         \
   V(harmony_arrays, "harmony array methods")                            \
   V(harmony_array_includes, "harmony Array.prototype.includes")         \
   V(harmony_regexps, "harmony regular expression extensions")           \
   V(harmony_arrow_functions, "harmony arrow functions")                 \
   V(harmony_proxies, "harmony proxies")                                 \
   V(harmony_sloppy, "harmony features in sloppy mode")                  \
   V(harmony_unicode, "harmony unicode escapes")                         \
   V(harmony_unicode_regexps, "harmony unicode regexps")                 \
   V(harmony_computed_property_names, "harmony computed property names") \
   V(harmony_rest_parameters, "harmony rest parameters")                 \
+  V(harmony_spread, "harmony spread operator")                          \
+  V(harmony_spreadcalls, "harmony spread-calls")

[rossberg, 2015/02/25 14:28:18]

Nit: spread_calls

 
 // Features that are complete (but still behind --harmony/es-staging flag).
 #define HARMONY_STAGED(V)                                                 \
   V(harmony_tostring, "harmony toString")                                 \
 
 // Features that are shipping (turned on by default, but internal flag remains).
 #define HARMONY_SHIPPING(V)                                               \
   V(harmony_numeric_literals, "harmony numeric literals")                 \
   V(harmony_strings, "harmony string methods")                            \
   V(harmony_scoping, "harmony block scoping")                             \
@@ skipping 24 matching lines @@
   DEFINE_NEG_NEG_IMPLICATION(harmony_shipping, id)
 HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES)
 #undef FLAG_SHIPPING_FEATURES
 
 
 // Feature dependencies.
 DEFINE_IMPLICATION(harmony_modules, harmony_scoping)
 DEFINE_IMPLICATION(harmony_classes, harmony_scoping)
 DEFINE_IMPLICATION(harmony_classes, harmony_object_literals)
 DEFINE_IMPLICATION(harmony_unicode_regexps, harmony_unicode)
-
+DEFINE_IMPLICATION(harmony_spreadcalls, harmony_spread)
+DEFINE_IMPLICATION(harmony_spread, harmony_spreadcalls)
 
 // Flags for experimental implementation features.
 DEFINE_BOOL(compiled_keyed_generic_loads, false,
             "use optimizing compiler to generate keyed generic load stubs")
 // TODO(hpayer): We will remove this flag as soon as we have pretenuring
 // support for specific allocation sites.
 DEFINE_BOOL(pretenuring_call_new, false, "pretenure call new")
 DEFINE_BOOL(allocation_site_pretenuring, true,
             "pretenure with allocation sites")
 DEFINE_BOOL(trace_pretenuring, false,
@@ skipping 767 matching lines @@
 #undef DEFINE_ALIAS_FLOAT
 #undef DEFINE_ALIAS_ARGS
 
 #undef FLAG_MODE_DECLARE
 #undef FLAG_MODE_DEFINE
 #undef FLAG_MODE_DEFINE_DEFAULTS
 #undef FLAG_MODE_META
 #undef FLAG_MODE_DEFINE_IMPLICATIONS
 
 #undef COMMA