Convert gn docstrings to C++11 raw strings.

tools/gn/command_ls.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "tools/gn/commands.h"
 #include "tools/gn/label_pattern.h"
 #include "tools/gn/setup.h"
 #include "tools/gn/standard_out.h"
 #include "tools/gn/switches.h"
 #include "tools/gn/target.h"
 
 namespace commands {
 
 const char kLs[] = "ls";
 const char kLs_HelpShort[] =
     "ls: List matching targets.";
 const char kLs_Help[] =
-    "gn ls <out_dir> [<label_pattern>] [--all-toolchains] [--as=...]\n"
-    "      [--type=...] [--testonly=...]\n"
-    "\n"
-    "  Lists all targets matching the given pattern for the given build\n"
-    "  directory. By default, only targets in the default toolchain will\n"
-    "  be matched unless a toolchain is explicitly supplied.\n"
-    "\n"
-    "  If the label pattern is unspecified, list all targets. The label\n"
-    "  pattern is not a general regular expression (see\n"
-    "  \"gn help label_pattern\"). If you need more complex expressions,\n"
-    "  pipe the result through grep.\n"
-    "\n"
-    "Options\n"
-    "\n"
+    R"(gn ls <out_dir> [<label_pattern>] [--all-toolchains] [--as=...]
+      [--type=...] [--testonly=...]
+
+  Lists all targets matching the given pattern for the given build directory.
+  By default, only targets in the default toolchain will be matched unless a
+  toolchain is explicitly supplied.
+
+  If the label pattern is unspecified, list all targets. The label pattern is
+  not a general regular expression (see "gn help label_pattern"). If you need
+  more complex expressions, pipe the result through grep.
+
+Options
+
+)"
     TARGET_PRINTING_MODE_COMMAND_LINE_HELP
-    "\n"
+"\n"
     ALL_TOOLCHAINS_SWITCH_HELP
-    "\n"
+"\n"
     TARGET_TESTONLY_FILTER_COMMAND_LINE_HELP
-    "\n"
+"\n"
     TARGET_TYPE_FILTER_COMMAND_LINE_HELP
-    "\n"
-    "Examples\n"
-    "\n"
-    "  gn ls out/Debug\n"
-    "      Lists all targets in the default toolchain.\n"
-    "\n"
-    "  gn ls out/Debug \"//base/*\"\n"
-    "      Lists all targets in the directory base and all subdirectories.\n"
-    "\n"
-    "  gn ls out/Debug \"//base:*\"\n"
-    "      Lists all targets defined in //base/BUILD.gn.\n"
-    "\n"
-    "  gn ls out/Debug //base --as=output\n"
-    "      Lists the build output file for //base:base\n"
-    "\n"
-    "  gn ls out/Debug --type=executable\n"
-    "      Lists all executables produced by the build.\n"
-    "\n"
-    "  gn ls out/Debug \"//base/*\" --as=output | xargs ninja -C out/Debug\n"
-    "      Builds all targets in //base and all subdirectories.\n"
-    "\n"
-    "  gn ls out/Debug //base --all-toolchains\n"
-    "      Lists all variants of the target //base:base (it may be referenced\n"
-    "      in multiple toolchains).\n";
+R"(
+Examples
+
+  gn ls out/Debug
+      Lists all targets in the default toolchain.
+
+  gn ls out/Debug "//base/*"
+      Lists all targets in the directory base and all subdirectories.
+
+  gn ls out/Debug "//base:*"
+      Lists all targets defined in //base/BUILD.gn.
+
+  gn ls out/Debug //base --as=output
+      Lists the build output file for //base:base
+
+  gn ls out/Debug --type=executable
+      Lists all executables produced by the build.
+
+  gn ls out/Debug "//base/*" --as=output | xargs ninja -C out/Debug
+      Builds all targets in //base and all subdirectories.
+
+  gn ls out/Debug //base --all-toolchains
+      Lists all variants of the target //base:base (it may be referenced
+      in multiple toolchains).
+)";
 
 int RunLs(const std::vector<std::string>& args) {
   if (args.size() == 0) {
     Err(Location(), "You're holding it wrong.",
         "Usage: \"gn ls <build dir> [<label_pattern>]*\"").PrintToStdout();
     return 1;
   }
 
   Setup* setup = new Setup;
   setup->build_settings().set_check_for_bad_items(false);
@@ skipping 26 matching lines @@
     for (auto* target : setup->builder().GetAllResolvedTargets()) {
       if (target->settings()->is_default())
         matches.push_back(target);
     }
   }
   FilterAndPrintTargets(false, &matches);
   return 0;
 }
 
 }  // namespace commands