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4ed46869 | 1 | /* Header for CCL (Code Conversion Language) interpreter. |
7976eda0 | 2 | Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
8cabe764 | 3 | 2005, 2006, 2007, 2008 |
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4 | National Institute of Advanced Industrial Science and Technology (AIST) |
5 | Registration Number H14PRO021 | |
8f924df7 | 6 | Copyright (C) 2003 |
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7 | National Institute of Advanced Industrial Science and Technology (AIST) |
8 | Registration Number H13PRO009 | |
4ed46869 | 9 | |
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10 | This file is part of GNU Emacs. |
11 | ||
12 | GNU Emacs is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
1427aa65 | 14 | the Free Software Foundation; either version 3, or (at your option) |
369314dc | 15 | any later version. |
4ed46869 | 16 | |
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17 | GNU Emacs is distributed in the hope that it will be useful, |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
4ed46869 | 21 | |
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22 | You should have received a copy of the GNU General Public License |
23 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
24 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
25 | Boston, MA 02110-1301, USA. */ | |
4ed46869 | 26 | |
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27 | #ifndef EMACS_CCL_H |
28 | #define EMACS_CCL_H | |
4ed46869 | 29 | |
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30 | /* Macros for exit status of CCL program. */ |
31 | #define CCL_STAT_SUCCESS 0 /* Terminated successfully. */ | |
32 | #define CCL_STAT_SUSPEND_BY_SRC 1 /* Terminated by empty input. */ | |
33 | #define CCL_STAT_SUSPEND_BY_DST 2 /* Terminated by output buffer full. */ | |
34 | #define CCL_STAT_INVALID_CMD 3 /* Terminated because of invalid | |
35 | command. */ | |
36 | #define CCL_STAT_QUIT 4 /* Terminated because of quit. */ | |
37 | ||
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38 | /* Structure to hold information about running CCL code. Read |
39 | comments in the file ccl.c for the detail of each field. */ | |
40 | struct ccl_program { | |
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41 | int idx; /* Index number of the CCL program. |
42 | -1 means that the program was given | |
43 | by a vector, not by a program | |
44 | name. */ | |
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45 | int size; /* Size of the compiled code. */ |
46 | Lisp_Object *prog; /* Pointer into the compiled code. */ | |
47 | int ic; /* Instruction Counter (index for PROG). */ | |
48 | int eof_ic; /* Instruction Counter for end-of-file | |
49 | processing code. */ | |
50 | int reg[8]; /* CCL registers, reg[7] is used for | |
51 | condition flag of relational | |
52 | operations. */ | |
eacba247 | 53 | int private_state; /* CCL instruction may use this |
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54 | for private use, mainly for saving |
55 | internal states on suspending. | |
177c0ea7 | 56 | This variable is set to 0 when ccl is |
eacba247 | 57 | set up. */ |
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58 | int last_block; /* Set to 1 while processing the last |
59 | block. */ | |
60 | int status; /* Exit status of the CCL program. */ | |
61 | int buf_magnification; /* Output buffer magnification. How | |
62 | many times bigger the output buffer | |
63 | should be than the input buffer. */ | |
e05645ee | 64 | int stack_idx; /* How deep the call of CCL_Call is nested. */ |
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65 | int src_multibyte; /* 1 if the input buffer is multibyte. */ |
66 | int dst_multibyte; /* 1 if the output buffer is multibyte. */ | |
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67 | int cr_consumed; /* Flag for encoding DOS-like EOL |
68 | format when the CCL program is used | |
69 | for encoding by a coding | |
70 | system. */ | |
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71 | int consumed; |
72 | int produced; | |
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73 | int suppress_error; /* If nonzero, don't insert error |
74 | message in the output. */ | |
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75 | int eight_bit_control; /* If nonzero, ccl_driver counts all |
76 | eight-bit-control bytes written by | |
77 | CCL_WRITE_CHAR. After execution, | |
78 | if no such byte is written, set | |
79 | this value to zero. */ | |
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80 | }; |
81 | ||
82 | /* This data type is used for the spec field of the structure | |
83 | coding_system. */ | |
84 | ||
85 | struct ccl_spec { | |
d2bc5a70 | 86 | struct ccl_program ccl; |
8538ed9a | 87 | int cr_carryover; /* CR carryover flag. */ |
898f3312 | 88 | unsigned char eight_bit_carryover[MAX_MULTIBYTE_LENGTH]; |
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89 | }; |
90 | ||
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91 | #define CODING_SPEC_CCL_PROGRAM(coding) ((coding)->spec.ccl.ccl) |
92 | ||
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93 | /* Alist of fontname patterns vs corresponding CCL program. */ |
94 | extern Lisp_Object Vfont_ccl_encoder_alist; | |
95 | ||
58068210 | 96 | /* Setup fields of the structure pointed by CCL appropriately for the |
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97 | execution of ccl program CCL_PROG (symbol or vector). */ |
98 | extern int setup_ccl_program P_ ((struct ccl_program *, Lisp_Object)); | |
58068210 | 99 | |
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100 | /* Check if CCL is updated or not. If not, re-setup members of CCL. */ |
101 | extern int check_ccl_update P_ ((struct ccl_program *)); | |
102 | ||
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103 | extern void ccl_driver P_ ((struct ccl_program *, int *, int *, int, int, |
104 | Lisp_Object)); | |
58068210 | 105 | |
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106 | /* Vector of CCL program names vs corresponding program data. */ |
107 | extern Lisp_Object Vccl_program_table; | |
108 | ||
109 | /* Symbols of ccl program have this property, a value of the property | |
110 | is an index for Vccl_protram_table. */ | |
111 | extern Lisp_Object Qccl_program_idx; | |
112 | ||
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113 | extern Lisp_Object Qccl, Qcclp; |
114 | ||
115 | EXFUN (Fccl_program_p, 1); | |
116 | ||
117 | #define CHECK_CCL_PROGRAM(x) \ | |
118 | do { \ | |
119 | if (NILP (Fccl_program_p (x))) \ | |
120 | x = wrong_type_argument (Qcclp, (x)); \ | |
121 | } while (0); | |
122 | ||
265702b7 | 123 | #endif /* EMACS_CCL_H */ |
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124 | |
125 | /* arch-tag: 14681df7-876d-43de-bc71-6b78e23a4e3c | |
126 | (do not change this comment) */ |