GYP generator for GN

tools/gn/source_file.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/source_file.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "tools/gn/filesystem_utils.h"
 #include "tools/gn/source_dir.h"
@@ skipping 28 matching lines @@
   DCHECK(value_.find('/') != std::string::npos);
   size_t last_slash = value_.rfind('/');
   return SourceDir(base::StringPiece(&value_[0], last_slash + 1));
 }
 
 base::FilePath SourceFile::Resolve(const base::FilePath& source_root) const {
   if (is_null())
     return base::FilePath();
 
   std::string converted;
-#if defined(OS_WIN)
   if (is_system_absolute()) {
-    converted.assign(&value_[1], value_.size() - 1);
-    DCHECK(converted.size() > 2 && converted[1] == ':')
-        << "Expecting Windows absolute file path with a drive letter: "
-        << value_;
+    if (value_.size() > 2 && value_[2] == ':') {
+      // Windows path, strip the leading slash.
+      converted.assign(&value_[1], value_.size() - 1);
+    } else {
+      converted.assign(value_);
+    }
+    ConvertPathToSystem(&converted);
     return base::FilePath(UTF8ToFilePath(converted));
   }
 
   converted.assign(&value_[2], value_.size() - 2);
   ConvertPathToSystem(&converted);
   return source_root.Append(UTF8ToFilePath(converted));
-#else
-  if (is_system_absolute())
-    return base::FilePath(value_);
-  converted.assign(&value_[2], value_.size() - 2);
-  return source_root.Append(converted);
-#endif
 }