/* 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.
+
+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.
- This program 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.
- This program 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., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+#ifndef EMACS_CCL_H
+#define EMACS_CCL_H
-#ifndef _CCL_H
-#define _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. */
struct ccl_program {
+ int idx; /* Index number of the CCL program.
+ -1 means that the program was given
+ by a vector, not by a program
+ name. */
int size; /* Size of the compiled code. */
Lisp_Object *prog; /* Pointer into the compiled code. */
int ic; /* Instruction Counter (index for PROG). */
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; /* If nonzero, ccl_driver counts all
+ eight-bit-control bytes written by
+ CCL_WRITE_CHAR. After execution,
+ if no such byte is written, set
+ this value to zero. */
};
/* This data type is used for the spec field of the structure
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));
+
+/* Check if CCL is updated or not. If not, re-setup members of CCL. */
+extern int check_ccl_update P_ ((struct ccl_program *));
+
+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 */
+
+/* arch-tag: 14681df7-876d-43de-bc71-6b78e23a4e3c
+ (do not change this comment) */