diff options
Diffstat (limited to 'libbuild2/config/module.hxx')
| -rw-r--r-- | libbuild2/config/module.hxx | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/libbuild2/config/module.hxx b/libbuild2/config/module.hxx index 8d3ff67..77109ce 100644 --- a/libbuild2/config/module.hxx +++ b/libbuild2/config/module.hxx @@ -22,20 +22,12 @@ namespace build2 namespace config { // An ordered list of build system modules each with an ordered list of - // config.* variables and their "save flags" (see save_variable()) that - // are used (as opposed to just being specified) in this configuration. - // Populated by the config utility functions (required(), optional()) and - // saved in the order populated. If flags are absent, then this variable - // was marked as "unsaved" (always transient). + // config.* variables and their save flags/function (see save_variable()) + // that are used (as opposed to just being specified) in this + // configuration. Populated by the config utility functions (required(), + // optional()) and saved in the order populated. If flags are absent, then + // this variable was marked as "unsaved" (always transient). // - // The optional save function can be used to implement custom variable - // saving, for example, as a difference appended to the base value. The - // second half of the result is the assignment operator to use. - // - using save_variable_function = - pair<names_view, const char*> (const value&, - const value* base, - names& storage); struct saved_variable { reference_wrapper<const variable> var; @@ -151,7 +143,10 @@ namespace build2 save_variable_function* = nullptr); static void - save_variable (scope&, const variable&, optional<uint64_t>); + save_variable (scope&, + const variable&, + optional<uint64_t>, + save_variable_function*); bool save_module (const char* name, int prio = 0); |