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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 | |
b908768a LC |
6 | /* Copyright (C) 1995, 1996, 1998, 2000, 2001, 2003, 2004, 2006, 2008, |
7 | * 2010, 2012 Free Software Foundation, Inc. | |
0527e687 | 8 | * |
73be1d9e | 9 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
10 | * modify it under the terms of the GNU Lesser General Public License |
11 | * as published by the Free Software Foundation; either version 3 of | |
12 | * the License, or (at your option) any later version. | |
0527e687 | 13 | * |
53befeb7 NJ |
14 | * This library is distributed in the hope that it will be useful, but |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | * Lesser General Public License for more details. | |
0527e687 | 18 | * |
73be1d9e MV |
19 | * You should have received a copy of the GNU Lesser General Public |
20 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | * 02110-1301 USA | |
73be1d9e | 23 | */ |
d3a6bc94 | 24 | |
0f2d19dd JB |
25 | \f |
26 | ||
b4309c3c | 27 | #include "libguile/__scm.h" |
0f2d19dd | 28 | |
889975e5 | 29 | #include "libguile/chars.h" |
e56ea0ba | 30 | #include "libguile/options.h" |
0f2d19dd | 31 | \f |
444b1d4d | 32 | |
8ab4a274 MD |
33 | /* State information passed around during printing. |
34 | */ | |
4bfdf158 | 35 | #define SCM_PRINT_STATE_P(obj) (SCM_STRUCTP(obj) \ |
bc36d050 MV |
36 | && (scm_is_eq (SCM_STRUCT_VTABLE(obj), \ |
37 | scm_print_state_vtable))) | |
6cb66921 MD |
38 | #define SCM_PRINT_STATE(obj) ((scm_print_state *) SCM_STRUCT_DATA (obj)) |
39 | ||
8ab4a274 | 40 | #define RESET_PRINT_STATE(pstate) \ |
d3a6bc94 | 41 | do { \ |
8ab4a274 MD |
42 | pstate->list_offset = 0; \ |
43 | pstate->top = 0; \ | |
d3a6bc94 | 44 | } while (0) |
8ab4a274 MD |
45 | |
46 | #define SCM_WRITINGP(pstate) ((pstate)->writingp) | |
47 | #define SCM_SET_WRITINGP(pstate, x) { (pstate)->writingp = (x); } | |
48 | ||
e841c3e0 | 49 | #define SCM_PORT_WITH_PS_P(p) SCM_TYP16_PREDICATE (scm_tc16_port_with_ps, p) |
09cb9e73 DH |
50 | #define SCM_PORT_WITH_PS_PORT(p) SCM_CAR (SCM_CELL_OBJECT_1 (p)) |
51 | #define SCM_PORT_WITH_PS_PS(p) SCM_CDR (SCM_CELL_OBJECT_1 (p)) | |
edf20492 | 52 | |
09cb9e73 DH |
53 | #define SCM_COERCE_OUTPORT(p) \ |
54 | (SCM_PORT_WITH_PS_P (p) ? SCM_PORT_WITH_PS_PORT (p) : p) | |
bb35f315 | 55 | |
509759dd | 56 | #define SCM_PRINT_STATE_LAYOUT "sruwuwuwuwuwpwuwuwurprpw" |
8ab4a274 MD |
57 | typedef struct scm_print_state { |
58 | SCM handle; /* Struct handle */ | |
bb35f315 | 59 | int revealed; /* Has the state escaped to Scheme? */ |
8ab4a274 MD |
60 | unsigned long writingp; /* Writing? */ |
61 | unsigned long fancyp; /* Fancy printing? */ | |
62 | unsigned long level; /* Max level */ | |
63 | unsigned long length; /* Max number of objects per level */ | |
64 | SCM hot_ref; /* Hot reference */ | |
65 | unsigned long list_offset; | |
66 | unsigned long top; /* Top of reference stack */ | |
67 | unsigned long ceiling; /* Max size of reference stack */ | |
509759dd MV |
68 | SCM ref_vect; /* Stack of references used during |
69 | circular reference detection; | |
70 | a simple vector. */ | |
d232520a | 71 | SCM highlight_objects; /* List of objects to be highlighted */ |
8ab4a274 MD |
72 | } scm_print_state; |
73 | ||
33b001fd MV |
74 | SCM_API SCM scm_print_state_vtable; |
75 | ||
76 | SCM_API scm_t_bits scm_tc16_port_with_ps; | |
77 | ||
78 | SCM_API SCM scm_print_options (SCM setting); | |
79 | SCM_API SCM scm_make_print_state (void); | |
80 | SCM_API void scm_free_print_state (SCM print_state); | |
102dbb6f | 81 | SCM_INTERNAL SCM scm_i_port_with_print_state (SCM port, SCM print_state); |
b908768a LC |
82 | SCM_INTERNAL void scm_i_display_substring (SCM str, size_t start, size_t end, |
83 | SCM port); | |
a406c9e9 MV |
84 | SCM_API void scm_intprint (scm_t_intmax n, int radix, SCM port); |
85 | SCM_API void scm_uintprint (scm_t_uintmax n, int radix, SCM port); | |
33b001fd MV |
86 | SCM_API void scm_ipruk (char *hdr, SCM ptr, SCM port); |
87 | SCM_API void scm_iprlist (char *hdr, SCM exp, int tlr, SCM port, scm_print_state *pstate); | |
88 | SCM_API void scm_print_symbol_name (const char *str, size_t len, SCM port); | |
89 | SCM_API void scm_prin1 (SCM exp, SCM port, int writingp); | |
90 | SCM_API void scm_iprin1 (SCM exp, SCM port, scm_print_state *pstate); | |
91 | SCM_API SCM scm_write (SCM obj, SCM port); | |
92 | SCM_API SCM scm_display (SCM obj, SCM port); | |
93 | SCM_API SCM scm_simple_format (SCM port, SCM message, SCM args); | |
94 | SCM_API SCM scm_newline (SCM port); | |
95 | SCM_API SCM scm_write_char (SCM chr, SCM port); | |
96 | SCM_API SCM scm_printer_apply (SCM proc, SCM exp, SCM port, scm_print_state *); | |
97 | SCM_API SCM scm_port_with_print_state (SCM port, SCM pstate); | |
98 | SCM_API SCM scm_get_print_state (SCM port); | |
99 | SCM_API int scm_valid_oport_value_p (SCM val); | |
102dbb6f | 100 | SCM_INTERNAL void scm_init_print (void); |
0f2d19dd | 101 | |
f3667f52 | 102 | #ifdef GUILE_DEBUG |
33b001fd | 103 | SCM_API SCM scm_current_pstate (void); |
f3667f52 | 104 | #endif |
0527e687 | 105 | |
09cb9e73 | 106 | #endif /* SCM_PRINT_H */ |
89e00824 ML |
107 | |
108 | /* | |
109 | Local Variables: | |
110 | c-file-style: "gnu" | |
111 | End: | |
112 | */ |