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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
09cb9e73 DH |
3 | #ifndef SCM_PRINT_H |
4 | #define SCM_PRINT_H | |
0527e687 | 5 | |
102dbb6f | 6 | /* Copyright (C) 1995,1996,1998,2000,2001, 2003, 2004, 2006, 2008 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e MV |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
0527e687 | 12 | * |
73be1d9e | 13 | * This library is distributed in the hope that it will be useful, |
0f2d19dd | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
0527e687 | 17 | * |
73be1d9e MV |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
92205699 | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 21 | */ |
d3a6bc94 | 22 | |
0f2d19dd JB |
23 | \f |
24 | ||
b4309c3c | 25 | #include "libguile/__scm.h" |
0f2d19dd | 26 | |
e56ea0ba | 27 | #include "libguile/options.h" |
0f2d19dd | 28 | \f |
444b1d4d | 29 | |
8ab4a274 MD |
30 | /* State information passed around during printing. |
31 | */ | |
4bfdf158 | 32 | #define SCM_PRINT_STATE_P(obj) (SCM_STRUCTP(obj) \ |
bc36d050 MV |
33 | && (scm_is_eq (SCM_STRUCT_VTABLE(obj), \ |
34 | scm_print_state_vtable))) | |
6cb66921 MD |
35 | #define SCM_PRINT_STATE(obj) ((scm_print_state *) SCM_STRUCT_DATA (obj)) |
36 | ||
8ab4a274 | 37 | #define RESET_PRINT_STATE(pstate) \ |
d3a6bc94 | 38 | do { \ |
8ab4a274 MD |
39 | pstate->list_offset = 0; \ |
40 | pstate->top = 0; \ | |
d3a6bc94 | 41 | } while (0) |
8ab4a274 MD |
42 | |
43 | #define SCM_WRITINGP(pstate) ((pstate)->writingp) | |
44 | #define SCM_SET_WRITINGP(pstate, x) { (pstate)->writingp = (x); } | |
45 | ||
e841c3e0 | 46 | #define SCM_PORT_WITH_PS_P(p) SCM_TYP16_PREDICATE (scm_tc16_port_with_ps, p) |
09cb9e73 DH |
47 | #define SCM_PORT_WITH_PS_PORT(p) SCM_CAR (SCM_CELL_OBJECT_1 (p)) |
48 | #define SCM_PORT_WITH_PS_PS(p) SCM_CDR (SCM_CELL_OBJECT_1 (p)) | |
edf20492 | 49 | |
09cb9e73 DH |
50 | #define SCM_COERCE_OUTPORT(p) \ |
51 | (SCM_PORT_WITH_PS_P (p) ? SCM_PORT_WITH_PS_PORT (p) : p) | |
bb35f315 | 52 | |
509759dd | 53 | #define SCM_PRINT_STATE_LAYOUT "sruwuwuwuwuwpwuwuwurprpw" |
8ab4a274 MD |
54 | typedef struct scm_print_state { |
55 | SCM handle; /* Struct handle */ | |
bb35f315 | 56 | int revealed; /* Has the state escaped to Scheme? */ |
8ab4a274 MD |
57 | unsigned long writingp; /* Writing? */ |
58 | unsigned long fancyp; /* Fancy printing? */ | |
59 | unsigned long level; /* Max level */ | |
60 | unsigned long length; /* Max number of objects per level */ | |
61 | SCM hot_ref; /* Hot reference */ | |
62 | unsigned long list_offset; | |
63 | unsigned long top; /* Top of reference stack */ | |
64 | unsigned long ceiling; /* Max size of reference stack */ | |
509759dd MV |
65 | SCM ref_vect; /* Stack of references used during |
66 | circular reference detection; | |
67 | a simple vector. */ | |
d232520a | 68 | SCM highlight_objects; /* List of objects to be highlighted */ |
8ab4a274 MD |
69 | } scm_print_state; |
70 | ||
33b001fd MV |
71 | SCM_API SCM scm_print_state_vtable; |
72 | ||
73 | SCM_API scm_t_bits scm_tc16_port_with_ps; | |
74 | ||
75 | SCM_API SCM scm_print_options (SCM setting); | |
76 | SCM_API SCM scm_make_print_state (void); | |
77 | SCM_API void scm_free_print_state (SCM print_state); | |
102dbb6f | 78 | SCM_INTERNAL SCM scm_i_port_with_print_state (SCM port, SCM print_state); |
a406c9e9 MV |
79 | SCM_API void scm_intprint (scm_t_intmax n, int radix, SCM port); |
80 | SCM_API void scm_uintprint (scm_t_uintmax n, int radix, SCM port); | |
33b001fd MV |
81 | SCM_API void scm_ipruk (char *hdr, SCM ptr, SCM port); |
82 | SCM_API void scm_iprlist (char *hdr, SCM exp, int tlr, SCM port, scm_print_state *pstate); | |
83 | SCM_API void scm_print_symbol_name (const char *str, size_t len, SCM port); | |
84 | SCM_API void scm_prin1 (SCM exp, SCM port, int writingp); | |
85 | SCM_API void scm_iprin1 (SCM exp, SCM port, scm_print_state *pstate); | |
86 | SCM_API SCM scm_write (SCM obj, SCM port); | |
87 | SCM_API SCM scm_display (SCM obj, SCM port); | |
88 | SCM_API SCM scm_simple_format (SCM port, SCM message, SCM args); | |
89 | SCM_API SCM scm_newline (SCM port); | |
90 | SCM_API SCM scm_write_char (SCM chr, SCM port); | |
91 | SCM_API SCM scm_printer_apply (SCM proc, SCM exp, SCM port, scm_print_state *); | |
92 | SCM_API SCM scm_port_with_print_state (SCM port, SCM pstate); | |
93 | SCM_API SCM scm_get_print_state (SCM port); | |
94 | SCM_API int scm_valid_oport_value_p (SCM val); | |
102dbb6f | 95 | SCM_INTERNAL void scm_init_print (void); |
0f2d19dd | 96 | |
f3667f52 | 97 | #ifdef GUILE_DEBUG |
33b001fd | 98 | SCM_API SCM scm_current_pstate (void); |
f3667f52 | 99 | #endif |
0527e687 | 100 | |
09cb9e73 | 101 | #endif /* SCM_PRINT_H */ |
89e00824 ML |
102 | |
103 | /* | |
104 | Local Variables: | |
105 | c-file-style: "gnu" | |
106 | End: | |
107 | */ |