X-Git-Url: https://git.hcoop.net/bpt/guile.git/blobdiff_plain/0ef4ae82e69e610b326263fe753849f7edbeabec..1798b73dc45fb18e57f54b349375520c4de18340:/libguile/print.h

diff --git a/libguile/print.h b/libguile/print.h
index b686ed8bd..9ac0916bb 100644
--- a/libguile/print.h
+++ b/libguile/print.h
@@ -1,19 +1,20 @@
 /* classes: h_files */
 
-#ifndef PRINTH
-#define PRINTH
-/*	Copyright (C) 1995,1996 Free Software Foundation, Inc.
- * 
+#ifndef SCM_PRINT_H
+#define SCM_PRINT_H
+
+/* Copyright (C) 1995,1996,1998,2000,2001 Free Software Foundation, Inc.
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this software; see the file COPYING.  If not, write to
  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
@@ -42,37 +43,41 @@
  * If you write modifications of your own for GUILE, it is your choice
  * whether to permit this exception to apply to your modifications.
  * If you do not wish that, delete this exception notice.  */
+
 
 
 #include "libguile/__scm.h"
 
 #include "libguile/options.h"
 
-extern scm_option scm_print_opts[];
+SCM_API scm_t_option scm_print_opts[];
 
-#define SCM_PRINT_CLOSURE	((SCM) scm_print_opts[0].val)
+#define SCM_PRINT_CLOSURE	(SCM_PACK (scm_print_opts[0].val))
 #define SCM_PRINT_SOURCE_P	((int) scm_print_opts[1].val)
 #define SCM_N_PRINT_OPTIONS 2
 
 /* State information passed around during printing.
  */
 #define SCM_PRINT_STATE_P(obj) (SCM_STRUCTP(obj) \
-				&& (SCM_STRUCT_VTABLE(obj) \
-				    == scm_print_state_vtable))
+				&& (SCM_EQ_P (SCM_STRUCT_VTABLE(obj), \
+				              scm_print_state_vtable)))
 #define SCM_PRINT_STATE(obj) ((scm_print_state *) SCM_STRUCT_DATA (obj))
 
 #define RESET_PRINT_STATE(pstate) \
-{ \
+do { \
   pstate->list_offset = 0; \
   pstate->top = 0; \
-}
+} while (0)
 
 #define SCM_WRITINGP(pstate) ((pstate)->writingp)
 #define SCM_SET_WRITINGP(pstate, x) { (pstate)->writingp = (x); }
 
-#define SCM_COERCE_OUTPORT(p) ((SCM_NIMP (p) && SCM_PRINT_STATE_P (SCM_CDR (p))) \
-			       ? SCM_CAR (p) \
-			       : p)
+#define SCM_PORT_WITH_PS_P(p)    SCM_TYP16_PREDICATE (scm_tc16_port_with_ps, p)
+#define SCM_PORT_WITH_PS_PORT(p) SCM_CAR (SCM_CELL_OBJECT_1 (p))
+#define SCM_PORT_WITH_PS_PS(p)   SCM_CDR (SCM_CELL_OBJECT_1 (p))
+
+#define SCM_COERCE_OUTPORT(p) \
+  (SCM_PORT_WITH_PS_P (p) ? SCM_PORT_WITH_PS_PORT (p) : p)
 
 #define SCM_PRINT_STATE_LAYOUT "sruwuwuwuwuwpwuwuwuruopr"
 typedef struct scm_print_state {
@@ -91,23 +96,38 @@ typedef struct scm_print_state {
   SCM ref_vect;
 } scm_print_state;
 
-extern SCM scm_print_state_vtable;
-
-extern SCM scm_print_options SCM_P ((SCM setting));
-SCM scm_make_print_state SCM_P ((void));
-void scm_free_print_state SCM_P ((SCM print_state));
-extern void scm_intprint SCM_P ((long n, int radix, SCM port));
-extern void scm_ipruk SCM_P ((char *hdr, SCM ptr, SCM port));
-extern void scm_iprlist SCM_P ((char *hdr, SCM exp, int tlr, SCM port, scm_print_state *pstate));
-extern void scm_prin1 SCM_P ((SCM exp, SCM port, int writingp));
-extern void scm_iprin1 SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
-extern SCM scm_write SCM_P ((SCM obj, SCM port));
-extern SCM scm_display SCM_P ((SCM obj, SCM port));
-extern SCM scm_newline SCM_P ((SCM port));
-extern SCM scm_write_char SCM_P ((SCM chr, SCM port));
-extern SCM scm_printer_apply SCM_P ((SCM proc, SCM exp, SCM port,
-				     scm_print_state *));
-extern int scm_valid_oport_value_p SCM_P ((SCM val));
-extern void scm_init_print SCM_P ((void));
-
-#endif  /* PRINTH */
+SCM_API SCM scm_print_state_vtable;
+
+SCM_API scm_t_bits scm_tc16_port_with_ps;
+
+SCM_API SCM scm_print_options (SCM setting);
+SCM_API SCM scm_make_print_state (void);
+SCM_API void scm_free_print_state (SCM print_state);
+SCM_API void scm_intprint (long n, int radix, SCM port);
+SCM_API void scm_ipruk (char *hdr, SCM ptr, SCM port);
+SCM_API void scm_iprlist (char *hdr, SCM exp, int tlr, SCM port, scm_print_state *pstate);
+SCM_API void scm_print_symbol_name (const char *str, size_t len, SCM port);
+SCM_API void scm_prin1 (SCM exp, SCM port, int writingp);
+SCM_API void scm_iprin1 (SCM exp, SCM port, scm_print_state *pstate);
+SCM_API SCM scm_write (SCM obj, SCM port);
+SCM_API SCM scm_display (SCM obj, SCM port);
+SCM_API SCM scm_simple_format (SCM port, SCM message, SCM args);
+SCM_API SCM scm_newline (SCM port);
+SCM_API SCM scm_write_char (SCM chr, SCM port);
+SCM_API SCM scm_printer_apply (SCM proc, SCM exp, SCM port, scm_print_state *);
+SCM_API SCM scm_port_with_print_state (SCM port, SCM pstate);
+SCM_API SCM scm_get_print_state (SCM port);
+SCM_API int scm_valid_oport_value_p (SCM val);
+SCM_API void scm_init_print (void);
+
+#ifdef GUILE_DEBUG
+SCM_API SCM scm_current_pstate (void);
+#endif 
+
+#endif  /* SCM_PRINT_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/