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-rw-r--r--libbuild2/types.hxx27
1 files changed, 24 insertions, 3 deletions
diff --git a/libbuild2/types.hxx b/libbuild2/types.hxx
index bedcf1a..8566c50 100644
--- a/libbuild2/types.hxx
+++ b/libbuild2/types.hxx
@@ -311,12 +311,12 @@ namespace build2
// Diagnostics location.
//
+ // Note that location maintains a shallow reference to path. Zero lines or
+ // columns are not printed.
+ //
class location
{
public:
- // Note that location maintains a shallow reference to path. Zero lines
- // or columns are not printed.
- //
explicit
location (const path* f = nullptr, uint64_t l = 0, uint64_t c = 0)
: file (f), line (l), column (c) {}
@@ -333,6 +333,27 @@ namespace build2
uint64_t column;
};
+ // Similar (and implicit-convertible) to the above but stores a copy of the
+ // path.
+ //
+ class location_value: public location
+ {
+ public:
+ location_value () = default;
+
+ explicit
+ location_value (const location& l)
+ : location (path_name (file_value, l.file.name), l.line, l.column),
+ file_value (l.file.path != nullptr ? *l.file.path : path ()) {}
+
+ explicit
+ location_value (location&& l)
+ : location (path_name (file_value, move (l.file.name)), l.line, l.column),
+ file_value (l.file.path != nullptr ? *l.file.path : path ()) {}
+
+ path file_value;
+ };
+
// See context.
//
enum class run_phase {load, match, execute};