-/* classes: h_files */
-
-#ifndef PRINTH
-#define PRINTH
-/* Copyright (C) 1995,1996 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, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * 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.
- */
-\f
-
-#include "libguile/__scm.h"
-
-#include "libguile/options.h"
-\f
-extern scm_option scm_print_opts[];
-
-#define SCM_PRINT_CLOSURE ((SCM) 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(obj) ((scm_print_state *) SCM_STRUCT_DATA (obj))
-
-#define RESET_PRINT_STATE(pstate) \
-{ \
- pstate->list_offset = 0; \
- pstate->top = 0; \
-}
-
-#define SCM_WRITINGP(pstate) ((pstate)->writingp)
-#define SCM_SET_WRITINGP(pstate, x) { (pstate)->writingp = (x); }
-
-#define SCM_PRINT_STATE_LAYOUT "sruwuwuwuwpwuwuwuruopr"
-typedef struct scm_print_state {
- SCM handle; /* Struct handle */
- unsigned long writingp; /* Writing? */
- unsigned long fancyp; /* Fancy printing? */
- unsigned long level; /* Max level */
- unsigned long length; /* Max number of objects per level */
- SCM hot_ref; /* Hot reference */
- unsigned long list_offset;
- unsigned long top; /* Top of reference stack */
- unsigned long ceiling; /* Max size of reference stack */
- SCM *ref_stack; /* Stack of references used during
- circular reference detection */
- SCM ref_vect;
-} scm_print_state;
-
-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, char 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 void scm_init_print SCM_P ((void));
-
-#endif /* PRINTH */
+/* classes: h_files */
+
+#ifndef SCM_PRINT_H
+#define SCM_PRINT_H
+
+/* Copyright (C) 1995,1996,1998,2000,2001, 2003, 2004, 2006, 2008 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+\f
+
+#include "libguile/__scm.h"
+
+#include "libguile/options.h"
+\f
+
+/* State information passed around during printing.
+ */
+#define SCM_PRINT_STATE_P(obj) (SCM_STRUCTP(obj) \
+ && (scm_is_eq (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_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 "sruwuwuwuwuwpwuwuwurprpw"
+typedef struct scm_print_state {
+ SCM handle; /* Struct handle */
+ int revealed; /* Has the state escaped to Scheme? */
+ unsigned long writingp; /* Writing? */
+ unsigned long fancyp; /* Fancy printing? */
+ unsigned long level; /* Max level */
+ unsigned long length; /* Max number of objects per level */
+ SCM hot_ref; /* Hot reference */
+ unsigned long list_offset;
+ unsigned long top; /* Top of reference stack */
+ unsigned long ceiling; /* Max size of reference stack */
+ SCM ref_vect; /* Stack of references used during
+ circular reference detection;
+ a simple vector. */
+ SCM highlight_objects; /* List of objects to be highlighted */
+} scm_print_state;
+
+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_INTERNAL SCM scm_i_port_with_print_state (SCM port, SCM print_state);
+SCM_API void scm_intprint (scm_t_intmax n, int radix, SCM port);
+SCM_API void scm_uintprint (scm_t_uintmax 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_INTERNAL 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:
+*/
HCoop / bpt / guile.git / blobdiff