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[Emacs-diffs] Changes to emacs/src/coding.h [emacs-unicode-2]
|
From: |
Kenichi Handa |
|
Subject: |
[Emacs-diffs] Changes to emacs/src/coding.h [emacs-unicode-2] |
|
Date: |
Mon, 08 Sep 2003 08:48:40 -0400 |
Index: emacs/src/coding.h
diff -c /dev/null emacs/src/coding.h:1.67.2.1
*** /dev/null Mon Sep 8 08:48:39 2003
--- emacs/src/coding.h Mon Sep 8 08:48:10 2003
***************
*** 0 ****
--- 1,684 ----
+ /* Header for coding system handler.
+ Copyright (C) 1995, 1997 Electrotechnical Laboratory, JAPAN.
+ Licensed to the Free Software Foundation.
+ Copyright (C) 2003
+ National Institute of Advanced Industrial Science and Technology (AIST)
+ Registration Number H13PRO009
+
+ This file is part of GNU Emacs.
+
+ GNU Emacs is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU Emacs is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Emacs; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ #ifndef EMACS_CODING_H
+ #define EMACS_CODING_H
+
+ /* Index to arguments of Fdefine_coding_system_internal. */
+
+ enum define_coding_system_arg_index
+ {
+ coding_arg_name,
+ coding_arg_mnemonic,
+ coding_arg_coding_type,
+ coding_arg_charset_list,
+ coding_arg_ascii_compatible_p,
+ coding_arg_decode_translation_table,
+ coding_arg_encode_translation_table,
+ coding_arg_post_read_conversion,
+ coding_arg_pre_write_conversion,
+ coding_arg_default_char,
+ coding_arg_for_unibyte,
+ coding_arg_plist,
+ coding_arg_eol_type,
+ coding_arg_max
+ };
+
+ enum define_coding_iso2022_arg_index
+ {
+ coding_arg_iso2022_initial = coding_arg_max,
+ coding_arg_iso2022_reg_usage,
+ coding_arg_iso2022_request,
+ coding_arg_iso2022_flags,
+ coding_arg_iso2022_max
+ };
+
+ enum define_coding_utf16_arg_index
+ {
+ coding_arg_utf16_bom = coding_arg_max,
+ coding_arg_utf16_endian,
+ coding_arg_utf16_max
+ };
+
+ enum define_coding_ccl_arg_index
+ {
+ coding_arg_ccl_decoder = coding_arg_max,
+ coding_arg_ccl_encoder,
+ coding_arg_ccl_valids,
+ coding_arg_ccl_max
+ };
+
+ extern Lisp_Object Vcoding_system_hash_table;
+
+ /* Enumeration of coding system type. */
+
+ enum coding_system_type
+ {
+ coding_type_charset,
+ coding_type_utf_8,
+ coding_type_utf_16,
+ coding_type_iso_2022,
+ coding_type_emacs_mule,
+ coding_type_sjis,
+ coding_type_ccl,
+ coding_type_raw_text,
+ coding_type_undecided,
+ coding_type_max
+ };
+
+
+ /* Enumeration of end-of-line format type. */
+
+ enum end_of_line_type
+ {
+ eol_lf, /* Line-feed only, same as Emacs' internal
+ format. */
+ eol_crlf, /* Sequence of carriage-return and
+ line-feed. */
+ eol_cr, /* Carriage-return only. */
+ eol_any, /* Accept any of above. Produce line-feed
+ only. */
+ eol_undecided, /* This value is used to denote that the
+ eol-type is not yet undecided. */
+ eol_type_max
+ };
+
+ /* Enumeration of index to an attribute vector of a coding system. */
+
+ enum coding_attr_index
+ {
+ coding_attr_base_name,
+ coding_attr_docstring,
+ coding_attr_mnemonic,
+ coding_attr_type,
+ coding_attr_charset_list,
+ coding_attr_ascii_compat,
+ coding_attr_decode_tbl,
+ coding_attr_encode_tbl,
+ coding_attr_post_read,
+ coding_attr_pre_write,
+ coding_attr_default_char,
+ coding_attr_for_unibyte,
+ coding_attr_plist,
+
+ coding_attr_category,
+ coding_attr_safe_charsets,
+
+ /* The followings are extra attributes for each type. */
+ coding_attr_charset_valids,
+
+ coding_attr_ccl_decoder,
+ coding_attr_ccl_encoder,
+ coding_attr_ccl_valids,
+
+ coding_attr_iso_initial,
+ coding_attr_iso_usage,
+ coding_attr_iso_request,
+ coding_attr_iso_flags,
+
+ coding_attr_utf_16_bom,
+ coding_attr_utf_16_endian,
+
+ coding_attr_emacs_mule_full,
+
+ coding_attr_last_index
+ };
+
+
+ #define CODING_ATTR_BASE_NAME(attrs) AREF (attrs, coding_attr_base_name)
+ #define CODING_ATTR_TYPE(attrs) AREF (attrs, coding_attr_type)
+ #define CODING_ATTR_CHARSET_LIST(attrs) AREF (attrs,
coding_attr_charset_list)
+ #define CODING_ATTR_MNEMONIC(attrs) AREF (attrs, coding_attr_mnemonic)
+ #define CODING_ATTR_DOCSTRING(attrs) AREF (attrs, coding_attr_docstring)
+ #define CODING_ATTR_ASCII_COMPAT(attrs) AREF (attrs,
coding_attr_ascii_compat)
+ #define CODING_ATTR_DECODE_TBL(attrs) AREF (attrs, coding_attr_decode_tbl)
+ #define CODING_ATTR_ENCODE_TBL(attrs) AREF (attrs, coding_attr_encode_tbl)
+ #define CODING_ATTR_POST_READ(attrs) AREF (attrs, coding_attr_post_read)
+ #define CODING_ATTR_PRE_WRITE(attrs) AREF (attrs, coding_attr_pre_write)
+ #define CODING_ATTR_DEFAULT_CHAR(attrs) AREF (attrs,
coding_attr_default_char)
+ #define CODING_ATTR_FOR_UNIBYTE(attrs) AREF (attrs,
coding_attr_for_unibyte)
+ #define CODING_ATTR_FLUSHING(attrs) AREF (attrs, coding_attr_flushing)
+ #define CODING_ATTR_PLIST(attrs) AREF (attrs, coding_attr_plist)
+ #define CODING_ATTR_CATEGORY(attrs) AREF (attrs, coding_attr_category)
+ #define CODING_ATTR_SAFE_CHARSETS(attrs)AREF (attrs,
coding_attr_safe_charsets)
+
+
+ #define CODING_ID_ATTRS(id) \
+ (AREF (HASH_VALUE (XHASH_TABLE (Vcoding_system_hash_table), id), 0))
+
+ #define CODING_ID_ALIASES(id) \
+ (AREF (HASH_VALUE (XHASH_TABLE (Vcoding_system_hash_table), id), 1))
+
+ #define CODING_ID_EOL_TYPE(id) \
+ (AREF (HASH_VALUE (XHASH_TABLE (Vcoding_system_hash_table), id), 2))
+
+ #define CODING_ID_NAME(id) \
+ (HASH_KEY (XHASH_TABLE (Vcoding_system_hash_table), id))
+
+ #define CODING_SYSTEM_SPEC(coding_system_symbol) \
+ (Fgethash (coding_system_symbol, Vcoding_system_hash_table, Qnil))
+
+ #define CODING_SYSTEM_ID(coding_system_symbol) \
+ hash_lookup (XHASH_TABLE (Vcoding_system_hash_table), \
+ coding_system_symbol, NULL)
+
+ #define CODING_SYSTEM_P(coding_system_symbol) \
+ (! NILP (CODING_SYSTEM_SPEC (coding_system_symbol)))
+
+ #define CHECK_CODING_SYSTEM(x) \
+ do { \
+ if (!CODING_SYSTEM_P (x)) \
+ wrong_type_argument (Qcoding_system_p, (x)); \
+ } while (0)
+
+
+ #define CHECK_CODING_SYSTEM_GET_SPEC(x, spec) \
+ do { \
+ spec = CODING_SYSTEM_SPEC (x); \
+ if (NILP (spec)) \
+ x = wrong_type_argument (Qcoding_system_p, (x)); \
+ } while (0)
+
+
+ #define CHECK_CODING_SYSTEM_GET_ID(x, id) \
+ do \
+ { \
+ id = CODING_SYSTEM_ID (x); \
+ if (id < 0) \
+ x = wrong_type_argument (Qcoding_system_p, (x)); \
+ } while (0)
+
+
+ /*** GENERAL section ***/
+
+ /* Enumeration of result code of code conversion. */
+ enum coding_result_code
+ {
+ CODING_RESULT_SUCCESS,
+ CODING_RESULT_INSUFFICIENT_SRC,
+ CODING_RESULT_INSUFFICIENT_DST,
+ CODING_RESULT_INCONSISTENT_EOL,
+ CODING_RESULT_INSUFFICIENT_CMP,
+ CODING_RESULT_INTERRUPT,
+ CODING_RESULT_INSUFFICIENT_MEM
+ };
+
+
+ /* Macros used for the member `mode' of the struct coding_system. */
+
+ /* If set, recover the original CR or LF of the already decoded text
+ when the decoding routine encounters an inconsistent eol format. */
+ #define CODING_MODE_INHIBIT_INCONSISTENT_EOL 0x01
+
+ /* If set, the decoding/encoding routines treat the current data as
+ the last block of the whole text to be converted, and do the
+ appropriate finishing job. */
+ #define CODING_MODE_LAST_BLOCK 0x02
+
+ /* If set, it means that the current source text is in a buffer which
+ enables selective display. */
+ #define CODING_MODE_SELECTIVE_DISPLAY 0x04
+
+ /* This flag is used by the decoding/encoding routines on the fly. If
+ set, it means that right-to-left text is being processed. */
+ #define CODING_MODE_DIRECTION 0x08
+
+ #define CODING_MODE_FIXED_DESTINATION 0x10
+
+ #define CODING_MODE_SAFE_ENCODING 0x20
+
+ /* Structure of the field `spec.iso_2022' in the structure
+ `coding_system'. */
+ struct iso_2022_spec
+ {
+ /* Bit-wise-or of CODING_ISO_FLAG_XXX. */
+ unsigned flags;
+
+ /* The current graphic register invoked to each graphic plane. */
+ int current_invocation[2];
+
+ /* The current charset designated to each graphic register. The
+ value -1 means that not charset is designated, -2 means that
+ there was an invalid designation previously. */
+ int current_designation[4];
+
+ /* Set to 1 temporarily only when graphic register 2 or 3 is invoked
+ by single-shift while encoding. */
+ int single_shifting;
+
+ /* Set to 1 temporarily only when processing at beginning of line. */
+ int bol;
+ };
+
+ struct ccl_spec;
+
+ enum utf_16_bom_type
+ {
+ utf_16_detect_bom,
+ utf_16_without_bom,
+ utf_16_with_bom
+ };
+
+ enum utf_16_endian_type
+ {
+ utf_16_big_endian,
+ utf_16_little_endian
+ };
+
+ struct utf_16_spec
+ {
+ enum utf_16_bom_type bom;
+ enum utf_16_endian_type endian;
+ int surrogate;
+ };
+
+ struct coding_detection_info
+ {
+ /* Values of these members are bitwise-OR of CATEGORY_MASK_XXXs. */
+ /* Which categories are already checked. */
+ int checked;
+ /* Which categories are strongly found. */
+ int found;
+ /* Which categories are rejected. */
+ int rejected;
+ };
+
+
+ struct coding_system
+ {
+ /* ID number of the coding system. This is an index to
+ Vcoding_system_hash_table. This value is set by
+ setup_coding_system. At the early stage of building time, this
+ value is -1 in the array coding_categories to indicate that no
+ coding-system of that category is yet defined. */
+ int id;
+
+ /* Flag bits of the coding system. The meaning of each bit is common
+ to all types of coding systems. */
+ int common_flags;
+
+ /* Mode bits of the coding system. See the comments of the macros
+ CODING_MODE_XXX. */
+ unsigned int mode;
+
+ /* Detailed information specific to each type of coding system. */
+ union
+ {
+ struct iso_2022_spec iso_2022;
+ struct ccl_spec *ccl; /* Defined in ccl.h. */
+ struct utf_16_spec utf_16;
+ int emacs_mule_full_support;
+ } spec;
+
+ int max_charset_id;
+ char *safe_charsets;
+
+ /* The following two members specify how binary 8-bit code 128..255
+ are represented in source and destination text respectively. 1
+ means they are represented by 2-byte sequence, 0 means they are
+ represented by 1-byte as is (see the comment in character.h). */
+ unsigned src_multibyte : 1;
+ unsigned dst_multibyte : 1;
+
+ /* How may heading bytes we can skip for decoding. This is set to
+ -1 in setup_coding_system, and updated by detect_coding. So,
+ when this is equal to the byte length of the text being
+ converted, we can skip the actual conversion process. */
+ int head_ascii;
+
+ /* The following members are set by encoding/decoding routine. */
+ EMACS_INT produced, produced_char, consumed, consumed_char;
+
+ /* Number of error source data found in a decoding routine. */
+ int errors;
+
+ /* Store the positions of error source data. */
+ EMACS_INT *error_positions;
+
+ /* Finish status of code conversion. */
+ enum coding_result_code result;
+
+ /* The following members are all Lisp symbols. We don't have to
+ protect them from GC because the current garbage collection
+ doesn't relocate Lisp symbols. But, when it is changed, we must
+ find a way to protect them. */
+
+ EMACS_INT src_pos, src_pos_byte, src_chars, src_bytes;
+ Lisp_Object src_object;
+ const unsigned char *source;
+
+ EMACS_INT dst_pos, dst_pos_byte, dst_bytes;
+ Lisp_Object dst_object;
+ unsigned char *destination;
+
+ int chars_at_source;
+
+ /* If an element is non-negative, it is a character code.
+
+ If it is in the range -128..-1, it is a 8-bit character code
+ minus 256.
+
+ If it is less than -128, it specifies the start of an annotation
+ chunk. The length of the chunk is -128 minus the value of the
+ element. The following elements are OFFSET, ANNOTATION-TYPE, and
+ a sequence of actual data for the annotation. OFFSET is a
+ character position offset from dst_pos or src_pos,
+ ANNOTATION-TYPE specfies the meaning of the annotation and how to
+ handle the following data.. */
+ int *charbuf;
+ int charbuf_size, charbuf_used;
+
+ /* Set to 1 if charbuf contains an annotation. */
+ int annotated;
+
+ unsigned char carryover[64];
+ int carryover_bytes;
+
+ int default_char;
+
+ int (*detector) P_ ((struct coding_system *,
+ struct coding_detection_info *));
+ void (*decoder) P_ ((struct coding_system *));
+ int (*encoder) P_ ((struct coding_system *));
+ };
+
+ /* Meanings of bits in the member `common_flags' of the structure
+ coding_system. The lowest 8 bits are reserved for various kind of
+ annotations (currently two of them are used). */
+ #define CODING_ANNOTATION_MASK 0x00FF
+ #define CODING_ANNOTATE_COMPOSITION_MASK 0x0001
+ #define CODING_ANNOTATE_DIRECTION_MASK 0x0002
+ #define CODING_ANNOTATE_CHARSET_MASK 0x0003
+ #define CODING_FOR_UNIBYTE_MASK 0x0100
+ #define CODING_REQUIRE_FLUSHING_MASK 0x0200
+ #define CODING_REQUIRE_DECODING_MASK 0x0400
+ #define CODING_REQUIRE_ENCODING_MASK 0x0800
+ #define CODING_REQUIRE_DETECTION_MASK 0x1000
+ #define CODING_RESET_AT_BOL_MASK 0x2000
+
+ /* Return 1 if the coding context CODING requires annotaion
+ handling. */
+ #define CODING_REQUIRE_ANNOTATION(coding) \
+ ((coding)->common_flags & CODING_ANNOTATION_MASK)
+
+ /* Return 1 if the coding context CODING prefers decoding into unibyte. */
+ #define CODING_FOR_UNIBYTE(coding) \
+ ((coding)->common_flags & CODING_FOR_UNIBYTE_MASK)
+
+ /* Return 1 if the coding context CODING requires specific code to be
+ attached at the tail of converted text. */
+ #define CODING_REQUIRE_FLUSHING(coding) \
+ ((coding)->common_flags & CODING_REQUIRE_FLUSHING_MASK)
+
+ /* Return 1 if the coding context CODING requires code conversion on
+ decoding. */
+ #define CODING_REQUIRE_DECODING(coding) \
+ ((coding)->dst_multibyte \
+ || (coding)->common_flags & CODING_REQUIRE_DECODING_MASK)
+
+
+ /* Return 1 if the coding context CODING requires code conversion on
+ encoding. */
+ #define CODING_REQUIRE_ENCODING(coding) \
+ ((coding)->src_multibyte \
+ || (coding)->common_flags & CODING_REQUIRE_ENCODING_MASK \
+ || (coding)->mode & CODING_MODE_SELECTIVE_DISPLAY)
+
+
+ /* Return 1 if the coding context CODING requires some kind of code
+ detection. */
+ #define CODING_REQUIRE_DETECTION(coding) \
+ ((coding)->common_flags & CODING_REQUIRE_DETECTION_MASK)
+
+ /* Return 1 if the coding context CODING requires code conversion on
+ decoding or some kind of code detection. */
+ #define CODING_MAY_REQUIRE_DECODING(coding) \
+ (CODING_REQUIRE_DECODING (coding) \
+ || CODING_REQUIRE_DETECTION (coding))
+
+ /* Macros to decode or encode a character of JISX0208 in SJIS. S1 and
+ S2 are the 1st and 2nd position-codes of JISX0208 in SJIS coding
+ system. C1 and C2 are the 1st and 2nd position codes of Emacs'
+ internal format. */
+
+ #define SJIS_TO_JIS(code) \
+ do { \
+ int s1, s2, j1, j2; \
+ \
+ s1 = (code) >> 8, s2 = (code) & 0xFF; \
+ \
+ if (s2 >= 0x9F) \
+ (j1 = s1 * 2 - (s1 >= 0xE0 ? 0x160 : 0xE0), \
+ j2 = s2 - 0x7E); \
+ else \
+ (j1 = s1 * 2 - ((s1 >= 0xE0) ? 0x161 : 0xE1), \
+ j2 = s2 - ((s2 >= 0x7F) ? 0x20 : 0x1F)); \
+ (code) = (j1 << 8) | j2; \
+ } while (0)
+
+
+ #define JIS_TO_SJIS(code) \
+ do { \
+ int s1, s2, j1, j2; \
+ \
+ j1 = (code) >> 8, j2 = (code) & 0xFF; \
+ if (j1 & 1) \
+ (s1 = j1 / 2 + ((j1 < 0x5F) ? 0x71 : 0xB1), \
+ s2 = j2 + ((j2 >= 0x60) ? 0x20 : 0x1F)); \
+ else \
+ (s1 = j1 / 2 + ((j1 < 0x5F) ? 0x70 : 0xB0), \
+ s2 = j2 + 0x7E); \
+ (code) = (s1 << 8) | s2; \
+ } while (0)
+
+
+ /* Encode the file name NAME using the specified coding system
+ for file names, if any. */
+ #define ENCODE_FILE(name) \
+ (! NILP (Vfile_name_coding_system) \
+ && XFASTINT (Vfile_name_coding_system) != 0
\
+ ? code_convert_string_norecord (name, Vfile_name_coding_system, 1) \
+ : (! NILP (Vdefault_file_name_coding_system)
\
+ && XFASTINT (Vdefault_file_name_coding_system) != 0 \
+ ? code_convert_string_norecord (name, Vdefault_file_name_coding_system,
1) \
+ : name))
+
+
+ /* Decode the file name NAME using the specified coding system
+ for file names, if any. */
+ #define DECODE_FILE(name) \
+ (! NILP (Vfile_name_coding_system) \
+ && XFASTINT (Vfile_name_coding_system) != 0
\
+ ? code_convert_string_norecord (name, Vfile_name_coding_system, 0) \
+ : (! NILP (Vdefault_file_name_coding_system)
\
+ && XFASTINT (Vdefault_file_name_coding_system) != 0 \
+ ? code_convert_string_norecord (name, Vdefault_file_name_coding_system,
0) \
+ : name))
+
+
+ #ifdef WINDOWSNT
+ /* Encode the string STR using the specified coding system
+ for w32 system functions, if any. */
+ #define ENCODE_SYSTEM(str) \
+ (! NILP (Vlocale_coding_system) \
+ && XFASTINT (Vlocale_coding_system) != 0 \
+ ? code_convert_string_norecord (str, Vlocale_coding_system, 1) \
+ : str)
+
+ /* Decode the string STR using the specified coding system
+ for w32 system functions, if any. */
+ #define DECODE_SYSTEM(name) \
+ (! NILP (Vlocale_coding_system) \
+ && XFASTINT (Vlocale_coding_system) != 0 \
+ ? code_convert_string_norecord (str, Vlocale_coding_system, 0) \
+ : str)
+
+ #else /* WINDOWSNT */
+
+ #define ENCODE_SYSTEM(str) string_make_unibyte(str)
+ #define DECODE_SYSTEM(name) name
+
+ #endif /* !WINDOWSNT */
+
+ /* Extern declarations. */
+ extern Lisp_Object make_conversion_work_buffer P_ ((int, int));
+ extern int decoding_buffer_size P_ ((struct coding_system *, int));
+ extern int encoding_buffer_size P_ ((struct coding_system *, int));
+ extern void setup_coding_system P_ ((Lisp_Object, struct coding_system *));
+ extern void detect_coding P_ ((struct coding_system *));
+ extern Lisp_Object code_convert_region P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, int));
+ extern Lisp_Object code_convert_string P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, int, int, int));
+ extern Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object,
+ int));
+ extern Lisp_Object raw_text_coding_system P_ ((Lisp_Object));
+ extern Lisp_Object coding_inherit_eol_type P_ ((Lisp_Object, Lisp_Object));
+
+ extern int decode_coding_gap P_ ((struct coding_system *,
+ EMACS_INT, EMACS_INT));
+ extern int encode_coding_gap P_ ((struct coding_system *,
+ EMACS_INT, EMACS_INT));
+ extern void decode_coding_object P_ ((struct coding_system *,
+ Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, Lisp_Object));
+ extern void encode_coding_object P_ ((struct coding_system *,
+ Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, Lisp_Object));
+
+ #define decode_coding_region(coding, from, to) \
+ decode_coding_object (coding, Fcurrent_buffer (), \
+ from, CHAR_TO_BYTE (from), \
+ to, CHAR_TO_BYTE (to), Fcurrent_buffer ())
+
+
+ #define encode_coding_region(coding, from, to) \
+ encode_coding_object (coding, Fcurrent_buffer (), \
+ from, CHAR_TO_BYTE (from), \
+ to, CHAR_TO_BYTE (to), Fcurrent_buffer ())
+
+
+ #define decode_coding_string(coding, string, nocopy) \
+ decode_coding_object (coding, string, 0, 0, XSTRING (string)->size, \
+ STRING_BYTES (XSTRING (string)), Qt)
+
+ #define encode_coding_string(coding, string, nocopy) \
+ (encode_coding_object (coding, string, 0, 0, XSTRING (string)->size,
\
+ STRING_BYTES (XSTRING (string)), Qt), \
+ (coding)->dst_object)
+
+
+ #define decode_coding_c_string(coding, src, bytes, dst_object)
\
+ do {
\
+ (coding)->source = (src); \
+ (coding)->src_chars = (coding)->src_bytes = (bytes); \
+ decode_coding_object ((coding), Qnil, 0, 0, (bytes), (bytes), \
+ (dst_object)); \
+ } while (0)
+
+
+ extern Lisp_Object preferred_coding_system P_ (());
+
+
+ extern Lisp_Object Qutf_8, Qutf_8_emacs;
+
+ extern Lisp_Object Qcoding_system, Qeol_type, Qcoding_category_index;
+ extern Lisp_Object Qcoding_system_p;
+ extern Lisp_Object Qraw_text, Qemacs_mule, Qno_conversion, Qundecided;
+ extern Lisp_Object Qiso_2022;
+ extern Lisp_Object Qbuffer_file_coding_system;
+
+ extern Lisp_Object Qunix, Qdos, Qmac;
+
+ extern Lisp_Object Qtranslation_table;
+ extern Lisp_Object Qtranslation_table_id;
+
+ /* Mnemonic strings to indicate each type of end-of-line. */
+ extern Lisp_Object eol_mnemonic_unix, eol_mnemonic_dos, eol_mnemonic_mac;
+ /* Mnemonic string to indicate type of end-of-line is not yet decided. */
+ extern Lisp_Object eol_mnemonic_undecided;
+
+ #ifdef emacs
+ extern Lisp_Object Qfile_coding_system;
+ extern Lisp_Object Qcall_process, Qcall_process_region, Qprocess_argument;
+ extern Lisp_Object Qstart_process, Qopen_network_stream;
+ extern Lisp_Object Qwrite_region;
+
+ extern char *emacs_strerror P_ ((int));
+
+ /* Coding-system for reading files and receiving data from process. */
+ extern Lisp_Object Vcoding_system_for_read;
+ /* Coding-system for writing files and sending data to process. */
+ extern Lisp_Object Vcoding_system_for_write;
+ /* Coding-system actually used in the latest I/O. */
+ extern Lisp_Object Vlast_coding_system_used;
+ /* Coding-system to use with system messages (e.g. strerror). */
+ extern Lisp_Object Vlocale_coding_system;
+
+ /* If non-zero, process buffer inherits the coding system used to decode
+ the subprocess output. */
+ extern int inherit_process_coding_system;
+
+ /* Coding-system to be used for encoding terminal output. This
+ structure contains information of a coding-system specified by the
+ function `set-terminal-coding-system'. */
+ extern struct coding_system terminal_coding;
+
+ /* Coding system to be used to encode text for terminal display when
+ terminal coding system is nil. */
+ extern struct coding_system safe_terminal_coding;
+
+ /* Coding-system of what is sent from terminal keyboard. This
+ structure contains information of a coding-system specified by the
+ function `set-keyboard-coding-system'. */
+ extern struct coding_system keyboard_coding;
+
+ /* Default coding systems used for process I/O. */
+ extern Lisp_Object Vdefault_process_coding_system;
+
+ /* Function to call to force a user to force select a propert coding
+ system. */
+ extern Lisp_Object Vselect_safe_coding_system_function;
+
+ /* If nonzero, on writing a file, Vselect_safe_coding_system_function
+ is called even if Vcoding_system_for_write is non-nil. */
+ extern int coding_system_require_warning;
+
+ /* Coding system for file names, or nil if none. */
+ extern Lisp_Object Vfile_name_coding_system;
+
+ /* Coding system for file names used only when
+ Vfile_name_coding_system is nil. */
+ extern Lisp_Object Vdefault_file_name_coding_system;
+
+ #endif
+
+ /* Error signaled when there's a problem with detecting coding system */
+ extern Lisp_Object Qcoding_system_error;
+
+ extern char emacs_mule_bytes[256];
+ extern int emacs_mule_string_char P_ ((unsigned char *));
+
+ #endif /* EMACS_CODING_H */
- [Emacs-diffs] Changes to emacs/src/coding.h [emacs-unicode-2],
Kenichi Handa <=