diff options
Diffstat (limited to 'libguile/srcprop.c')
-rw-r--r-- | libguile/srcprop.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libguile/srcprop.c b/libguile/srcprop.c index c43acdf95..c632bb0c5 100644 --- a/libguile/srcprop.c +++ b/libguile/srcprop.c @@ -94,6 +94,14 @@ static SCM scm_srcprops_to_alist (SCM obj); scm_t_bits scm_tc16_srcprops; + +static int +supports_source_props (SCM obj) +{ + return SCM_NIMP (obj) && !scm_is_symbol (obj) && !scm_is_keyword (obj); +} + + static int srcprops_print (SCM obj, SCM port, scm_print_state *pstate) { @@ -160,6 +168,16 @@ scm_srcprops_to_alist (SCM obj) return alist; } +SCM_DEFINE (scm_supports_source_properties_p, "supports-source-properties?", 1, 0, 0, + (SCM obj), + "Return #t if @var{obj} supports adding source properties,\n" + "otherwise return #f.") +#define FUNC_NAME s_scm_supports_source_properties_p +{ + return scm_from_bool (supports_source_props (obj)); +} +#undef FUNC_NAME + SCM_DEFINE (scm_source_properties, "source-properties", 1, 0, 0, (SCM obj), "Return the source property association list of @var{obj}.") |