diff options
Diffstat (limited to 'libguile/variable.h')
-rw-r--r-- | libguile/variable.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/libguile/variable.h b/libguile/variable.h index f5fc686ed..f899658a4 100644 --- a/libguile/variable.h +++ b/libguile/variable.h @@ -47,6 +47,7 @@ gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ #include "libguile/__scm.h" +#include "libguile/smob.h" @@ -55,20 +56,35 @@ */ extern scm_bits_t scm_tc16_variable; -#define SCM_VARVCELL(V) SCM_CELL_OBJECT_1 (V) -#define SCM_VARIABLEP(X) (!SCM_IMP (X) && SCM_CELL_TYPE (X) == scm_tc16_variable) -#define SCM_UDVARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) -#define SCM_DEFVARIABLEP(X) (SCM_VARIABLEP(X) && !SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) +#define SCM_VARIABLEP(X) SCM_SMOB_PREDICATE (scm_tc16_variable, X) + +#if !SCM_ENABLE_VCELLS +#define SCM_VARIABLE_REF(V) SCM_CELL_OBJECT_1(V) +#define SCM_VARIABLE_SET(V,X) SCM_SET_CELL_OBJECT_1 (V, X) +#define SCM_VARIABLE_LOC(V) ((SCM *) SCM_CELL_WORD_LOC ((V), 1)) +#else +#define SCM_VARVCELL(V) SCM_CELL_OBJECT_1(V) +#define SCM_UDVARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) +#define SCM_DEFVARIABLEP(X) (SCM_VARIABLEP(X) && !SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) + +#define SCM_VARIABLE_REF(V) SCM_CDR(SCM_VARVCELL(V)) +#define SCM_VARIABLE_SET(V,X) SCM_SETCDR(SCM_VARVCELL(V),X) +#define SCM_VARIABLE_LOC(V) SCM_CDRLOC(SCM_VARVCELL(V)) +#endif -extern SCM scm_make_variable (SCM init, SCM name_hint); -extern SCM scm_make_undefined_variable (SCM name_hint); +extern SCM scm_make_variable (SCM init); +extern SCM scm_make_undefined_variable (void); extern SCM scm_variable_p (SCM obj); extern SCM scm_variable_ref (SCM var); extern SCM scm_variable_set_x (SCM var, SCM val); -extern SCM scm_builtin_variable (SCM name); extern SCM scm_variable_bound_p (SCM var); +extern SCM scm_variable_set_name_hint (SCM var, SCM hint); +#if SCM_ENABLE_VCELLS +extern SCM scm_builtin_variable (SCM name); +#endif + extern void scm_init_variable (void); #endif /* SCM_VARIABLE_H */ |