cmScanDepFormat: add reader and writer for the format from P1689R2

This format is currently subject to change, but is not too far from the
end goal.

Some bits are currently unimplemented (see TODO comments).

1 files changed, 30 insertions, 0 deletions

diff --git a/Source/cmScanDepFormat.h b/Source/cmScanDepFormat.h
new file mode 100644
index 0000000000..1ad0ecf73e
--- /dev/null
+++ b/Source/cmScanDepFormat.h
@@ -0,0 +1,30 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#pragma once
+
+#include <string>
+#include <vector>
+
+struct cmSourceReqInfo
+{
+  std::string LogicalName;
+  std::string CompiledModulePath;
+};
+
+struct cmSourceInfo
+{
+  std::string PrimaryOutput;
+
+  // Set of provided and required modules.
+  std::vector<cmSourceReqInfo> Provides;
+  std::vector<cmSourceReqInfo> Requires;
+
+  // Set of files included in the translation unit.
+  std::vector<std::string> Includes;
+};
+
+bool cmScanDepFormat_P1689_Parse(std::string const& arg_pp,
+                                 cmSourceInfo* info);
+bool cmScanDepFormat_P1689_Write(std::string const& path,
+                                 std::string const& input,
+                                 cmSourceInfo const& info);