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138 lines (102 loc) · 3.34 KB
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/********************************************
mawk.h
copyright 1991-94,2014-2016 Michael D. Brennan
This is a source file for mawk, an implementation of
the AWK programming language.
Mawk is distributed without warranty under the terms of
the GNU General Public License, version 3, 2007.
If you import elements of this code into another product,
you agree to not name that product mawk.
********************************************/
/* mawk.h */
#ifndef MAWK_H
#define MAWK_H
typedef void* PTR ;
typedef int Bool ;
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "types.h"
#ifdef DEBUG
#define YYDEBUG 1
extern int yydebug ; /* print parse if on */
extern int dump_RE ;
#endif
extern int posix_space_flag , interactive_flag ;
extern int posix_repl_scan_flag ;
/*----------------
* GLOBAL VARIABLES
*----------------*/
/* a well known string */
extern STRING null_str ;
extern STRING* const the_empty_str ;
/* a useful scratch area */
extern char* string_buff ;
extern char* string_buff_end ;
char* enlarge_string_buff(char*) ;
/* help with casts */
extern int mpow2[] ;
/* these are used by the parser, scanner and error messages
from the compile */
extern const char *pfile_name ; /* program input file */
extern int current_token ;
extern unsigned token_lineno ; /* lineno of current token */
extern unsigned compile_error_count ;
extern int paren_cnt, brace_cnt ;
extern int print_flag, getline_flag ;
extern int mawk_state ;
#define EXECUTION 1 /* other state is 0 compiling */
extern const char *progname ; /* for error messages */
extern unsigned rt_nr , rt_fnr ; /* ditto */
/* macro to test the type of two adjacent cells */
#define TEST2(cp) (mpow2[(cp)->type]+mpow2[((cp)+1)->type])
/* macro to get at the string part of a CELL */
#define string(cp) ((STRING *)(cp)->ptr)
#ifdef DEBUG
#define cell_destroy(cp) DB_cell_destroy(cp)
#else
#define cell_destroy(cp) \
do { \
if ((cp)->type >= C_STRING && (cp)->type <= C_MBSTRN) {\
free_STRING(string(cp)) ;\
}\
} while(0)
#endif
/* prototypes */
void cast1_to_s(CELL *) ;
void cast1_to_d(CELL *) ;
void cast_to_RE(CELL *) ;
void cast_for_split(CELL *) ;
void check_strnum(CELL *) ;
void cast_to_REPL(CELL *) ;
int d_to_I(double) ;
#define cast2_to_s(p) do{cast1_to_s(p);cast1_to_s(p+1);} while(0)
#define cast2_to_d(p) do{cast1_to_d(p);cast1_to_d(p+1);} while(0)
int test(CELL *) ; /* test for null non-null */
CELL * cellcpy(CELL *, CELL *) ;
CELL * repl_cpy(CELL *, CELL *) ;
void DB_cell_destroy(CELL *) ;
void overflow(const char *, unsigned) ;
void rt_overflow(const char *, unsigned) ;
void rt_error(const char*, ...) ;
void mawk_exit(int) ;
void da(INST *, FILE *) ;
char * str_str(const char*, size_t , const char*, size_t) ;
size_t rm_escape(char *) ;
char * re_pos_match(const char *, size_t ,PTR, size_t*, Bool) ;
int binmode(void) ;
void parse(void) ;
int yylex(void) ;
int yyparse(void) ;
void yyerror(const char *) ;
void scan_cleanup(void) ;
void bozo(const char*) ;
void errmsg(int, const char*, ...) ;
void compile_error(const char*, ...) ;
void call_error(unsigned, const char*, ...) ;
void compile_or_rt_error(const char*, ...) ;
void execute(INST *, CELL *, CELL *) ;
const char* find_kw_str(int) ;
#endif /* MAWK_H */