Mercurial > hg > xemacs-beta
annotate src/mule-ccl.h @ 5894:23178aa71f8b
Define ALIGNOF using C11 and C++11 operators.
See <CAHCOHQmG51R61KwGUNY7T5t9tXxzbyg=aGijUKYstbE+wL2-6Q@mail.gmail.com> in
xemacs-patches for more information.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Mon, 20 Apr 2015 15:09:11 -0600 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
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| 428 | 1 /* Header for CCL (Code Conversion Language) interpreter. |
| 444 | 2 Copyright (C) 1995 Electrotechnical Laboratory, JAPAN. |
| 428 | 3 Licensed to the Free Software Foundation. |
| 4 | |
| 5 This file is part of XEmacs. | |
| 6 | |
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7 XEmacs is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
| 428 | 11 |
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
| 428 | 16 |
| 17 You should have received a copy of the GNU General Public License | |
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 440 | 20 #ifndef INCLUDED_mule_ccl_h_ |
| 21 #define INCLUDED_mule_ccl_h_ | |
| 428 | 22 |
| 23 /* Macros for exit status of CCL program. */ | |
| 24 #define CCL_STAT_SUCCESS 0 /* Terminated successfully. */ | |
| 25 #define CCL_STAT_SUSPEND_BY_SRC 1 /* Terminated by empty input. */ | |
| 26 #define CCL_STAT_SUSPEND_BY_DST 2 /* Terminated by output buffer full. */ | |
| 27 #define CCL_STAT_INVALID_CMD 3 /* Terminated because of invalid | |
| 28 command. */ | |
| 29 #define CCL_STAT_QUIT 4 /* Terminated because of quit. */ | |
| 30 | |
| 31 /* Structure to hold information about running CCL code. Read | |
| 32 comments in the file ccl.c for the detail of each field. */ | |
| 33 struct ccl_program { | |
| 34 int size; /* Size of the compiled code. */ | |
| 35 Lisp_Object *prog; /* Pointer into the compiled code. */ | |
| 36 int ic; /* Instruction Counter (index for PROG). */ | |
| 37 int eof_ic; /* Instruction Counter for end-of-file | |
| 38 processing code. */ | |
| 39 int reg[8]; /* CCL registers, reg[7] is used for | |
| 40 condition flag of relational | |
| 41 operations. */ | |
| 42 int private_state; /* CCL instruction may use this | |
| 444 | 43 for private use, mainly for saving |
| 44 internal states on suspending. | |
| 428 | 45 This variable is set to 0 when ccl is |
| 46 set up. */ | |
| 47 int last_block; /* Set to 1 while processing the last | |
| 48 block. */ | |
| 49 int status; /* Exit status of the CCL program. */ | |
| 50 int buf_magnification; /* Output buffer magnification. How | |
| 51 many times bigger the output buffer | |
| 52 should be than the input buffer. */ | |
| 53 int stack_idx; /* How deep the call of CCL_Call is nested. */ | |
| 444 | 54 int eol_type; /* When the CCL program is used for |
| 55 encoding by a coding system, set to | |
| 56 the eol_type of the coding | |
| 57 system. */ | |
| 58 int multibyte; /* 1 if the source text is multibyte. */ | |
| 428 | 59 }; |
| 60 | |
| 61 #define CCL_MODE_ENCODING 0 | |
| 62 #define CCL_MODE_DECODING 1 | |
| 63 | |
| 444 | 64 #define CCL_CODING_EOL_LF 0 /* Line-feed only, same as Emacs' |
| 65 internal format. */ | |
| 66 #define CCL_CODING_EOL_CRLF 1 /* Sequence of carriage-return and | |
| 67 line-feed. */ | |
| 68 #define CCL_CODING_EOL_CR 2 /* Carriage-return only. */ | |
| 428 | 69 |
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70 /* If OBJECT is symbol designating a registered CCL program, return it. |
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71 Else if OBJECT is a vector CCL program with no unresolved symbols, return |
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72 it. |
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73 Else, if OBJECT is a vector CCL program with unresolved symbols, return a |
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74 newly-created vector reflecting the CCL program with all symbols |
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75 resolved, if that is currently possible in this XEmacs. |
| 444 | 76 |
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77 Otherwise, signal `invalid-argument'. */ |
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78 extern Lisp_Object get_ccl_program (Lisp_Object object); |
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79 |
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80 /* Set up fields of the structure pointed by CCL appropriately for the |
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81 execution of ccl program CCL_PROG (a symbol or a vector). |
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82 |
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83 If CCL_PROG is a vector and contains unresolved symbols, this function |
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84 will throw an assertion failure. To avoid this, call get_ccl_program at |
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85 the point that you receive the CCL program from Lisp, and use and store |
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86 its (resolved) result instead. */ |
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87 extern int setup_ccl_program (struct ccl_program *, Lisp_Object ccl_prog); |
| 444 | 88 |
| 89 extern int ccl_driver (struct ccl_program *, const unsigned char *, | |
| 90 unsigned_char_dynarr *, int, int *, int); | |
| 91 | |
| 92 EXFUN (Fregister_ccl_program, 2); | |
| 93 | |
| 428 | 94 extern Lisp_Object Qccl_program; |
| 95 | |
| 444 | 96 /* Vector of CCL program names vs corresponding program data. */ |
| 97 extern Lisp_Object Vccl_program_table; | |
| 98 | |
| 99 /* Symbols of ccl program have this property, a value of the property | |
| 100 is an index for Vccl_program_table. */ | |
| 101 extern Lisp_Object Qccl_program_idx; | |
| 102 | |
| 440 | 103 #endif /* INCLUDED_mule_ccl_h_ */ |