X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/369314dc63fa395283a103cbeb1c66ed10baf1bd..596d02bc1b2078ed61c83cf1c1db0ddabd179755:/src/ccl.h?ds=sidebyside diff --git a/src/ccl.h b/src/ccl.h index 6400ffb465..ed89bf5e6d 100644 --- a/src/ccl.h +++ b/src/ccl.h @@ -1,6 +1,6 @@ /* Header for CCL (Code Conversion Language) interpreter. - Copyright (C) 1995 Free Software Foundation, Inc. Copyright (C) 1995 Electrotechnical Laboratory, JAPAN. + Licensed to the Free Software Foundation. This file is part of GNU Emacs. @@ -19,8 +19,16 @@ 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 _CCL_H -#define _CCL_H +#ifndef EMACS_CCL_H +#define EMACS_CCL_H + +/* Macros for exit status of CCL program. */ +#define CCL_STAT_SUCCESS 0 /* Terminated successfully. */ +#define CCL_STAT_SUSPEND_BY_SRC 1 /* Terminated by empty input. */ +#define CCL_STAT_SUSPEND_BY_DST 2 /* Terminated by output buffer full. */ +#define CCL_STAT_INVALID_CMD 3 /* Terminated because of invalid + command. */ +#define CCL_STAT_QUIT 4 /* Terminated because of quit. */ /* Structure to hold information about running CCL code. Read comments in the file ccl.c for the detail of each field. */ @@ -33,12 +41,32 @@ struct ccl_program { int reg[8]; /* CCL registers, reg[7] is used for condition flag of relational operations. */ + int private_state; /* CCL instruction may use this + for private use, mainly for saving + internal states on suspending. + This variable is set to 0 when ccl is + set up. */ int last_block; /* Set to 1 while processing the last block. */ int status; /* Exit status of the CCL program. */ int buf_magnification; /* Output buffer magnification. How many times bigger the output buffer should be than the input buffer. */ + int stack_idx; /* How deep the call of CCL_Call is nested. */ + int eol_type; /* When the CCL program is used for + encoding by a coding system, set to + the eol_type of the coding system. + In other cases, always + CODING_EOL_LF. */ + int multibyte; /* 1 if the source text is multibyte. */ + int cr_consumed; /* Flag for encoding DOS-like EOL + format when the CCL program is used + for encoding by a coding + system. */ + int suppress_error; /* If nonzero, don't insert error + message in the output. */ + int eight_bit_control; /* Set to nonzero if CCL_WRITE_CHAR + writes eight-bit-control char. */ }; /* This data type is used for the spec field of the structure @@ -47,9 +75,26 @@ struct ccl_program { struct ccl_spec { struct ccl_program decoder; struct ccl_program encoder; + unsigned char valid_codes[256]; + int cr_carryover; /* CR carryover flag. */ + unsigned char eight_bit_carryover[MAX_MULTIBYTE_LENGTH]; }; /* Alist of fontname patterns vs corresponding CCL program. */ extern Lisp_Object Vfont_ccl_encoder_alist; -#endif /* _CCL_H */ +/* Setup fields of the structure pointed by CCL appropriately for the + execution of ccl program CCL_PROG (symbol or vector). */ +extern int setup_ccl_program P_ ((struct ccl_program *, Lisp_Object)); + +extern int ccl_driver P_ ((struct ccl_program *, unsigned char *, + unsigned char *, int, int, int *)); + +/* Vector of CCL program names vs corresponding program data. */ +extern Lisp_Object Vccl_program_table; + +/* Symbols of ccl program have this property, a value of the property + is an index for Vccl_protram_table. */ +extern Lisp_Object Qccl_program_idx; + +#endif /* EMACS_CCL_H */