X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=guile18%2Flibguile%2Fprint.h;fp=guile18%2Flibguile%2Fprint.h;h=7e59ba8b3a0e67d8e7d2e5045e1c19218f8b467a;hb=139c38d9204dd07f6b235f83bae644faedbc63fd;hp=0000000000000000000000000000000000000000;hpb=652ed35a2013489d0a14fede6307cd2595abb2c4;p=lilypond.git diff --git a/guile18/libguile/print.h b/guile18/libguile/print.h new file mode 100644 index 0000000000..7e59ba8b3a --- /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 + */ + + + +#include "libguile/__scm.h" + +#include "libguile/options.h" + +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: +*/