Import guile-1.8 as multiple upstream tarball component

[lilypond.git] / guile18 / libguile / print.h

diff --git a/guile18/libguile/print.h b/guile18/libguile/print.h
new file mode 100644 (file)
index 0000000..7e59ba8
--- /dev/null
+++ b/guile18/libguile/print.h
@@ -0,0 +1,116 @@
+/* classes: h_files */
+
+#ifndef SCM_PRINT_H
+#define SCM_PRINT_H
+
+/* Copyright (C) 1995,1996,1998,2000,2001, 2003, 2004, 2006 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 2.1 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
+SCM_API scm_t_option scm_print_opts[];
+
+#define SCM_PRINT_CLOSURE          (SCM_PACK (scm_print_opts[0].val))
+#define SCM_PRINT_SOURCE_P         ((int) scm_print_opts[1].val)
+#define SCM_PRINT_HIGHLIGHT_PREFIX  (SCM_PACK (scm_print_opts[2].val))
+#define SCM_PRINT_HIGHLIGHT_SUFFIX  (SCM_PACK (scm_print_opts[3].val))
+#define SCM_PRINT_KEYWORD_STYLE_I   4
+#define SCM_PRINT_KEYWORD_STYLE     (SCM_PACK (scm_print_opts[4].val))
+#define SCM_N_PRINT_OPTIONS 5
+
+/* 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 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_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:
+*/