| 1 | /* macro.h -- declarations for macro.c. | 
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| 2 | $Id: macro.h,v 1.2 2004/04/11 17:56:47 karl Exp $ | 
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| 3 |  | 
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| 4 | Copyright (C) 1998, 99 Free Software Foundation, Inc. | 
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| 5 |  | 
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| 6 | This program is free software; you can redistribute it and/or modify | 
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| 7 | it under the terms of the GNU General Public License as published by | 
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| 8 | the Free Software Foundation; either version 2, or (at your option) | 
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| 9 | any later version. | 
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| 10 |  | 
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| 11 | This program is distributed in the hope that it will be useful, | 
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 14 | GNU General Public License for more details. | 
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| 15 |  | 
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| 16 | You should have received a copy of the GNU General Public License | 
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| 17 | along with this program; if not, write to the Free Software | 
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| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | 
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| 19 | */ | 
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| 20 |  | 
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| 21 | #ifndef MACRO_H | 
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| 22 | #define MACRO_H | 
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| 23 |  | 
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| 24 | extern FILE *macro_expansion_output_stream; | 
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| 25 | extern char *macro_expansion_filename; | 
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| 26 | extern int me_executing_string; | 
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| 27 | extern int only_macro_expansion; | 
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| 28 |  | 
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| 29 | /* Here is a structure used to remember input text strings and offsets | 
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| 30 | within them. */ | 
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| 31 | typedef struct { | 
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| 32 | char *pointer;                /* Pointer to the input text. */ | 
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| 33 | int offset;                   /* Offset of the last character output. */ | 
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| 34 | } ITEXT; | 
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| 35 |  | 
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| 36 | /* Macro definitions for user-defined commands. */ | 
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| 37 | typedef struct { | 
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| 38 | char *name;                   /* Name of the macro. */ | 
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| 39 | char **arglist;               /* Args to replace when executing. */ | 
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| 40 | char *body;                   /* Macro body. */ | 
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| 41 | char *source_file;            /* File where this macro is defined. */ | 
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| 42 | int source_lineno;            /* Line number within FILENAME. */ | 
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| 43 | int inhibited;                /* Nonzero means make find_macro () fail. */ | 
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| 44 | int flags;                    /* ME_RECURSE, ME_QUOTE_ARG, etc. */ | 
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| 45 | } MACRO_DEF; | 
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| 46 |  | 
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| 47 | /* flags for MACRO_DEF */ | 
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| 48 | #define ME_RECURSE      0x01 | 
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| 49 | #define ME_QUOTE_ARG    0x02 | 
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| 50 |  | 
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| 51 | extern void execute_macro (MACRO_DEF *def); | 
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| 52 | extern MACRO_DEF *find_macro (char *name); | 
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| 53 | extern char *expand_macro (MACRO_DEF *def); | 
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| 54 |  | 
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| 55 | extern ITEXT *remember_itext (char *pointer, int offset); | 
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| 56 | extern void forget_itext (char *pointer); | 
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| 57 | extern void maybe_write_itext (char *pointer, int offset); | 
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| 58 | extern void write_region_to_macro_output (char *string, int start, int end); | 
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| 59 | extern void append_to_expansion_output (int offset); | 
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| 60 | extern void me_append_before_this_command (void); | 
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| 61 | extern void me_execute_string (char *execution_string); | 
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| 62 | extern void me_execute_string_keep_state (char *execution_string, | 
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| 63 | char *append_string); | 
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| 64 |  | 
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| 65 | extern char *alias_expand (char *tok); | 
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| 66 | extern int enclosure_command (char *tok); | 
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| 67 | extern void enclosure_expand (int arg, int start, int end); | 
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| 68 |  | 
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| 69 | /* The @commands.  */ | 
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| 70 | extern void cm_macro (void), cm_rmacro (void), cm_unmacro (void); | 
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| 71 | extern void cm_alias (void), cm_definfoenclose (void); | 
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| 72 |  | 
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| 73 | extern int array_len (char **array); | 
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| 74 | extern void free_array (char **array); | 
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| 75 | extern char **get_brace_args (int quote_single); | 
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| 76 |  | 
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| 77 | #endif /* not MACRO_H */ | 
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