*** empty log message ***

[bpt/emacs.git] / src / ccl.h

diff --git a/src/ccl.h b/src/ccl.h
index 6400ffb..ed89bf5 100644 (file)
--- 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 */