Fix infinite loop in expander

[bpt/guile.git] / libguile / foreign-object.h

diff --git a/libguile/foreign-object.h b/libguile/foreign-object.h
index 3b7784e..806b7ed 100644 (file)
--- a/libguile/foreign-object.h
+++ b/libguile/foreign-object.h
@@ -32,16 +32,29 @@ SCM_API SCM scm_make_foreign_object_type (SCM name, SCM slot_names,
 
 SCM_API void scm_assert_foreign_object_type (SCM type, SCM val);
 
+/* All objects of a given foreign object type have the same number of
+   fields.  When constructing a foreign object, you don't have to pass
+   initializers for all of the fields; it is always OK to call
+   scm_make_foreign_object_0 and initialize the fields by hand with
+   scm_foreign_object_set_x or other setters.  The initial value of
+   fields that haven't been explicitly given a value is 0.  */
 SCM_API SCM scm_make_foreign_object_0 (SCM type);
-SCM_API SCM scm_make_foreign_object_1 (SCM type, scm_t_bits val0);
-SCM_API SCM scm_make_foreign_object_2 (SCM type, scm_t_bits val0,
-                                        scm_t_bits val1);
-SCM_API SCM scm_make_foreign_object_3 (SCM type, scm_t_bits val0,
-                                        scm_t_bits val1, scm_t_bits val2);
-SCM_API SCM scm_make_foreign_object_n (SCM type, size_t n, scm_t_bits vals[]);
-
-SCM_API scm_t_bits scm_foreign_object_ref (SCM obj, size_t n);
-SCM_API void scm_foreign_object_set_x (SCM obj, size_t n, scm_t_bits val);
+SCM_API SCM scm_make_foreign_object_1 (SCM type, void *val0);
+SCM_API SCM scm_make_foreign_object_2 (SCM type, void *val0, void *val1);
+SCM_API SCM scm_make_foreign_object_3 (SCM type, void *val0, void *val1,
+                                       void *val2);
+SCM_API SCM scm_make_foreign_object_n (SCM type, size_t n, void *vals[]);
+
+SCM_API void* scm_foreign_object_ref (SCM obj, size_t n);
+SCM_API void scm_foreign_object_set_x (SCM obj, size_t n, void *val);
+
+SCM_API scm_t_bits scm_foreign_object_unsigned_ref (SCM obj, size_t n);
+SCM_API void scm_foreign_object_unsigned_set_x (SCM obj, size_t n,
+                                                scm_t_bits val);
+
+SCM_API scm_t_signed_bits scm_foreign_object_signed_ref (SCM obj, size_t n);
+SCM_API void scm_foreign_object_signed_set_x (SCM obj, size_t n,
+                                              scm_t_signed_bits val);
 
 SCM_INTERNAL void scm_register_foreign_object (void);