1 files changed, 24 insertions, 0 deletions
diff --git a/file.cpp b/file.cpp
new file mode 100644
index 0000000..823d723
--- /dev/null
+++ b/file.cpp
@@ -0,0 +1,24 @@
+#include "file.h"
+
+#include <unordered_set>
+
+namespace fs = std::filesystem;
+
+const fs::path YMakefile{"YMakefile"};
+
+// type of file can be built from dependencies
+bool is_buildable_by_extension(const fs::path& p) {
+ fs::path ext{p.extension()};
+ return ext.empty() || ext == ".o";
+}
+
+namespace {
+ std::unordered_set<fs::path> compile_unit_source_types{".cpp", ".c"};
+}
+
+// type of file is source of compile unit (no included types like headers)
+bool is_compile_unit_source_by_extension(const fs::path& p) {
+ fs::path ext{p.extension()};
+ return compile_unit_source_types.find(ext) != compile_unit_source_types.end();
+}
+