Commit | Line | Data |
---|---|---|
4ed46869 | 1 | /* Header for CCL (Code Conversion Language) interpreter. |
7976eda0 | 2 | Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
7cdc02a6 | 3 | 2005, 2006, 2007 |
ce03bf76 KH |
4 | National Institute of Advanced Industrial Science and Technology (AIST) |
5 | Registration Number H14PRO021 | |
4ed46869 | 6 | |
369314dc KH |
7 | This file is part of GNU Emacs. |
8 | ||
9 | GNU Emacs is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
1427aa65 | 11 | the Free Software Foundation; either version 3, or (at your option) |
369314dc | 12 | any later version. |
4ed46869 | 13 | |
369314dc KH |
14 | GNU Emacs is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
4ed46869 | 18 | |
369314dc KH |
19 | You should have received a copy of the GNU General Public License |
20 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
21 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | Boston, MA 02110-1301, USA. */ | |
4ed46869 | 23 | |
265702b7 KH |
24 | #ifndef EMACS_CCL_H |
25 | #define EMACS_CCL_H | |
4ed46869 | 26 | |
eacba247 KH |
27 | /* Macros for exit status of CCL program. */ |
28 | #define CCL_STAT_SUCCESS 0 /* Terminated successfully. */ | |
29 | #define CCL_STAT_SUSPEND_BY_SRC 1 /* Terminated by empty input. */ | |
30 | #define CCL_STAT_SUSPEND_BY_DST 2 /* Terminated by output buffer full. */ | |
31 | #define CCL_STAT_INVALID_CMD 3 /* Terminated because of invalid | |
32 | command. */ | |
33 | #define CCL_STAT_QUIT 4 /* Terminated because of quit. */ | |
34 | ||
4ed46869 KH |
35 | /* Structure to hold information about running CCL code. Read |
36 | comments in the file ccl.c for the detail of each field. */ | |
37 | struct ccl_program { | |
7cf49add KH |
38 | int idx; /* Index number of the CCL program. |
39 | -1 means that the program was given | |
40 | by a vector, not by a program | |
41 | name. */ | |
4ed46869 KH |
42 | int size; /* Size of the compiled code. */ |
43 | Lisp_Object *prog; /* Pointer into the compiled code. */ | |
44 | int ic; /* Instruction Counter (index for PROG). */ | |
45 | int eof_ic; /* Instruction Counter for end-of-file | |
46 | processing code. */ | |
47 | int reg[8]; /* CCL registers, reg[7] is used for | |
48 | condition flag of relational | |
49 | operations. */ | |
eacba247 | 50 | int private_state; /* CCL instruction may use this |
975ddbf5 KH |
51 | for private use, mainly for saving |
52 | internal states on suspending. | |
177c0ea7 | 53 | This variable is set to 0 when ccl is |
eacba247 | 54 | set up. */ |
4ed46869 KH |
55 | int last_block; /* Set to 1 while processing the last |
56 | block. */ | |
57 | int status; /* Exit status of the CCL program. */ | |
58 | int buf_magnification; /* Output buffer magnification. How | |
59 | many times bigger the output buffer | |
60 | should be than the input buffer. */ | |
e05645ee | 61 | int stack_idx; /* How deep the call of CCL_Call is nested. */ |
8538ed9a KH |
62 | int eol_type; /* When the CCL program is used for |
63 | encoding by a coding system, set to | |
f455f068 KH |
64 | the eol_type of the coding system. |
65 | In other cases, always | |
66 | CODING_EOL_LF. */ | |
975ddbf5 | 67 | int multibyte; /* 1 if the source text is multibyte. */ |
f455f068 KH |
68 | int cr_consumed; /* Flag for encoding DOS-like EOL |
69 | format when the CCL program is used | |
70 | for encoding by a coding | |
71 | system. */ | |
64068fbf KH |
72 | int suppress_error; /* If nonzero, don't insert error |
73 | message in the output. */ | |
034060e4 KH |
74 | int eight_bit_control; /* If nonzero, ccl_driver counts all |
75 | eight-bit-control bytes written by | |
76 | CCL_WRITE_CHAR. After execution, | |
77 | if no such byte is written, set | |
78 | this value to zero. */ | |
4ed46869 KH |
79 | }; |
80 | ||
81 | /* This data type is used for the spec field of the structure | |
82 | coding_system. */ | |
83 | ||
84 | struct ccl_spec { | |
85 | struct ccl_program decoder; | |
86 | struct ccl_program encoder; | |
a35fd731 | 87 | unsigned char valid_codes[256]; |
8538ed9a | 88 | int cr_carryover; /* CR carryover flag. */ |
898f3312 | 89 | unsigned char eight_bit_carryover[MAX_MULTIBYTE_LENGTH]; |
4ed46869 KH |
90 | }; |
91 | ||
92 | /* Alist of fontname patterns vs corresponding CCL program. */ | |
93 | extern Lisp_Object Vfont_ccl_encoder_alist; | |
94 | ||
58068210 | 95 | /* Setup fields of the structure pointed by CCL appropriately for the |
e5e6d6fb KH |
96 | execution of ccl program CCL_PROG (symbol or vector). */ |
97 | extern int setup_ccl_program P_ ((struct ccl_program *, Lisp_Object)); | |
58068210 | 98 | |
7cf49add KH |
99 | /* Check if CCL is updated or not. If not, re-setup members of CCL. */ |
100 | extern int check_ccl_update P_ ((struct ccl_program *)); | |
101 | ||
58068210 AS |
102 | extern int ccl_driver P_ ((struct ccl_program *, unsigned char *, |
103 | unsigned char *, int, int, int *)); | |
104 | ||
1cfae2bf KH |
105 | /* Vector of CCL program names vs corresponding program data. */ |
106 | extern Lisp_Object Vccl_program_table; | |
107 | ||
108 | /* Symbols of ccl program have this property, a value of the property | |
109 | is an index for Vccl_protram_table. */ | |
110 | extern Lisp_Object Qccl_program_idx; | |
111 | ||
265702b7 | 112 | #endif /* EMACS_CCL_H */ |
ab5796a9 MB |
113 | |
114 | /* arch-tag: 14681df7-876d-43de-bc71-6b78e23a4e3c | |
115 | (do not change this comment) */ |