[GN]: Add asmflags

tools/gn/command_desc.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <set>
 #include <sstream>
 
 #include "base/command_line.h"
 #include "tools/gn/commands.h"
@@ skipping 664 matching lines @@
       PrintDeps(target, false);
     } else if (what == variables::kLibDirs) {
       PrintLibDirs(target, false);
     } else if (what == variables::kLibs) {
       PrintLibs(target, false);
     } else if (what == "runtime_deps") {
       PrintRuntimeDeps(target);
 
     CONFIG_VALUE_HANDLER(defines, std::string)
     CONFIG_VALUE_HANDLER(include_dirs, SourceDir)
+    CONFIG_VALUE_HANDLER(asmflags, std::string)
     CONFIG_VALUE_HANDLER(cflags, std::string)
     CONFIG_VALUE_HANDLER(cflags_c, std::string)
     CONFIG_VALUE_HANDLER(cflags_cc, std::string)
     CONFIG_VALUE_HANDLER(cflags_objc, std::string)
     CONFIG_VALUE_HANDLER(cflags_objcc, std::string)
     CONFIG_VALUE_HANDLER(ldflags, std::string)
 
     } else {
       OutputString("Don't know how to display \"" + what + "\".\n");
       return 1;
@@ skipping 40 matching lines @@
 
   PrintPublicConfigs(target, true);
   PrintAllDependentConfigs(target, true);
   PrintForwardDependentConfigsFrom(target, true);
 
   PrintInputs(target, true);
 
   if (is_binary_output) {
     OUTPUT_CONFIG_VALUE(defines, std::string)
     OUTPUT_CONFIG_VALUE(include_dirs, SourceDir)
+    OUTPUT_CONFIG_VALUE(asmflags, std::string)
     OUTPUT_CONFIG_VALUE(cflags, std::string)
     OUTPUT_CONFIG_VALUE(cflags_c, std::string)
     OUTPUT_CONFIG_VALUE(cflags_cc, std::string)
     OUTPUT_CONFIG_VALUE(cflags_objc, std::string)
     OUTPUT_CONFIG_VALUE(cflags_objcc, std::string)
     OUTPUT_CONFIG_VALUE(ldflags, std::string)
   }
 
   if (target->output_type() == Target::ACTION ||
       target->output_type() == Target::ACTION_FOREACH) {
@@ skipping 12 matching lines @@
   // so always display them, even for groups and such.
   PrintLibs(target, true);
   PrintLibDirs(target, true);
 
   PrintDeps(target, true);
 
   return 0;
 }
 
 }  // namespace commands