Add "create_bundle" target in order to support bundle with gn.

tools/gn/variables.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 "tools/gn/variables.h"
 
 namespace variables {
 
 // Built-in variables ----------------------------------------------------------
 
@@ skipping 416 matching lines @@
     "\n"
     "  executable(\"doom_melon\") {\n"
     "    deps = [ \"//foo:bar\" ]\n"
     "    ...\n"
     "    assert_no_deps = [\n"
     "      \"//evil/*\",  # Don't link any code from the evil directory.\n"
     "      \"//foo:test_support\",  # This target is also disallowed.\n"
     "    ]\n"
     "  }\n";
 
+const char kBundleRootDir[] = "bundle_root_dir";
+const char kBundleRootDir_HelpShort[] =
+    "bundle_root_dir: Expansion of {{bundle_root_dir}} in create_bundle.";
+const char kBundleRootDir_Help[] =
+    "bundle_root_dir: Expansion of {{bundle_root_dir}} in create_bundle.\n"
+    "\n"
+    "  A string corresponding to a path in root_build_dir.\n"
+    "\n"
+    "  This string is used by the \"create_bundle\" target to expand the\n"
+    "  {{bundle_root_dir}} of the \"bundle_data\" target it depends on.\n"
+    "  This must correspond to a path under root_build_dir.\n"
+    "\n"
+    "Example\n"
+    "\n"
+    "  bundle_data(\"info_plist\") {\n"
+    "    sources = [ \"Info.plist\" ]\n"
+    "    outputs = [ \"{{bundle_root_dir}}/Info.plist\" ]\n"
+    "  }\n"
+    "\n"
+    "  create_bundle(\"doom_melon.app\") {\n"
+    "    deps = [ \":info_plist\" ]\n"
+    "    bundle_root_dir = root_build_dir + \"/doom_melon.app/Contents\"\n"
+    "    bundle_resources_dir = bundle_root_dir + \"/Resources\"\n"
+    "    bundle_executable_dir = bundle_root_dir + \"/MacOS\"\n"
+    "    bundle_plugins_dir = bundle_root_dir + \"/PlugIns\"\n"
+    "  }\n";
+
+const char kBundleResourcesDir[] = "bundle_resources_dir";
+const char kBundleResourcesDir_HelpShort[] =
+    "bundle_resources_dir: "
+        "Expansion of {{bundle_resources_dir}} in create_bundle.";
+const char kBundleResourcesDir_Help[] =
+    "bundle_resources_dir: "
+        "Expansion of {{bundle_resources_dir}} in create_bundle.\n"
+    "\n"
+    "  A string corresponding to a path in $root_build_dir.\n"
+    "\n"
+    "  This string is used by the \"create_bundle\" target to expand the\n"
+    "  {{bundle_resources_dir}} of the \"bundle_data\" target it depends on.\n"
+    "  This must correspond to a path under \"bundle_root_dir\".\n"
+    "\n"
+    "  See \"gn help bundle_root_dir\" for examples.\n";
+
+const char kBundleExecutableDir[] = "bundle_executable_dir";
+const char kBundleExecutableDir_HelpShort[] =
+    "bundle_executable_dir: "
+        "Expansion of {{bundle_executable_dir}} in create_bundle.";
+const char kBundleExecutableDir_Help[] =
+    "bundle_executable_dir: "
+        "Expansion of {{bundle_executable_dir}} in create_bundle.\n"
+    "\n"
+    "  A string corresponding to a path in $root_build_dir.\n"
+    "\n"
+    "  This string is used by the \"create_bundle\" target to expand the\n"
+    "  {{bundle_executable_dir}} of the \"bundle_data\" target it depends on.\n"
+    "  This must correspond to a path under \"bundle_root_dir\".\n"
+    "\n"
+    "  See \"gn help bundle_root_dir\" for examples.\n";
+
+const char kBundlePlugInsDir[] = "bundle_plugins_dir";
+const char kBundlePlugInsDir_HelpShort[] =
+    "bundle_plugins_dir: "
+        "Expansion of {{bundle_plugins_dir}} in create_bundle.";
+const char kBundlePlugInsDir_Help[] =
+    "bundle_plugins_dir: "
+        "Expansion of {{bundle_plugins_dir}} in create_bundle.\n"
+    "\n"
+    "  A string corresponding to a path in $root_build_dir.\n"
+    "\n"
+    "  This string is used by the \"create_bundle\" target to expand the\n"
+    "  {{bundle_plugins_dir}} of the \"bundle_data\" target it depends on.\n"
+    "  This must correspond to a path under \"bundle_root_dir\".\n"
+    "\n"
+    "  See \"gn help bundle_root_dir\" for examples.\n";
+
 const char kCflags[] = "cflags";
 const char kCflags_HelpShort[] =
     "cflags: [string list] Flags passed to all C compiler variants.";
 const char kCommonCflagsHelp[] =
     "cflags*: Flags passed to the C compiler.\n"
     "\n"
     "  A list of strings.\n"
     "\n"
     "  \"cflags\" are passed to all invocations of the C, C++, Objective C,\n"
     "  and Objective C++ compilers.\n"
@@ skipping 1003 matching lines @@
 }
 
 const VariableInfoMap& GetTargetVariables() {
   static VariableInfoMap info_map;
   if (info_map.empty()) {
     INSERT_VARIABLE(AllDependentConfigs)
     INSERT_VARIABLE(AllowCircularIncludesFrom)
     INSERT_VARIABLE(Args)
     INSERT_VARIABLE(Asmflags)
     INSERT_VARIABLE(AssertNoDeps)
+    INSERT_VARIABLE(BundleRootDir)
+    INSERT_VARIABLE(BundleResourcesDir)
+    INSERT_VARIABLE(BundleExecutableDir)
+    INSERT_VARIABLE(BundlePlugInsDir)
     INSERT_VARIABLE(Cflags)
     INSERT_VARIABLE(CflagsC)
     INSERT_VARIABLE(CflagsCC)
     INSERT_VARIABLE(CflagsObjC)
     INSERT_VARIABLE(CflagsObjCC)
     INSERT_VARIABLE(CheckIncludes)
     INSERT_VARIABLE(CompleteStaticLib)
     INSERT_VARIABLE(Configs)
     INSERT_VARIABLE(Console)
     INSERT_VARIABLE(Data)
@@ skipping 19 matching lines @@
     INSERT_VARIABLE(Sources)
     INSERT_VARIABLE(Testonly)
     INSERT_VARIABLE(Visibility)
   }
   return info_map;
 }
 
 #undef INSERT_VARIABLE
 
 }  // namespace variables