1 /**************************************************************** 2 Copyright (C) Lucent Technologies 1997 3 All Rights Reserved 4 5 Permission to use, copy, modify, and distribute this software and 6 its documentation for any purpose and without fee is hereby 7 granted, provided that the above copyright notice appear in all 8 copies and that both that the copyright notice and this 9 permission notice and warranty disclaimer appear in supporting 10 documentation, and that the name Lucent Technologies or any of 11 its entities not be used in advertising or publicity pertaining 12 to distribution of the software without specific, written prior 13 permission. 14 15 LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 16 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. 17 IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY 18 SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 20 IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 21 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF 22 THIS SOFTWARE. 23 ****************************************************************/ 24 25 extern int yywrap(void); 26 extern void setfname(Cell *); 27 extern int constnode(Node *); 28 extern char *strnode(Node *); 29 extern Node *notnull(Node *); 30 extern int yyparse(void); 31 32 extern int yylex(void); 33 extern void startreg(void); 34 extern int input(void); 35 extern void unput(int); 36 extern void unputstr(const char *); 37 extern int yylook(void); 38 extern int yyback(int *, int); 39 extern int yyinput(void); 40 41 extern fa *makedfa(const char *, bool); 42 extern fa *mkdfa(const char *, bool); 43 extern int makeinit(fa *, bool); 44 extern void penter(Node *); 45 extern void freetr(Node *); 46 extern int hexstr(const uschar **); 47 extern int quoted(const uschar **); 48 extern char *cclenter(const char *); 49 extern noreturn void overflo(const char *); 50 extern void cfoll(fa *, Node *); 51 extern int first(Node *); 52 extern void follow(Node *); 53 extern int member(int, const char *); 54 extern int match(fa *, const char *); 55 extern int pmatch(fa *, const char *); 56 extern int nematch(fa *, const char *); 57 extern bool fnematch(fa *, FILE *, char **, int *, int); 58 extern Node *reparse(const char *); 59 extern Node *regexp(void); 60 extern Node *primary(void); 61 extern Node *concat(Node *); 62 extern Node *alt(Node *); 63 extern Node *unary(Node *); 64 extern int relex(void); 65 extern int cgoto(fa *, int, int); 66 extern void freefa(fa *); 67 68 extern int pgetc(void); 69 extern char *cursource(void); 70 71 extern Node *nodealloc(int); 72 extern Node *exptostat(Node *); 73 extern Node *node1(int, Node *); 74 extern Node *node2(int, Node *, Node *); 75 extern Node *node3(int, Node *, Node *, Node *); 76 extern Node *node4(int, Node *, Node *, Node *, Node *); 77 extern Node *stat3(int, Node *, Node *, Node *); 78 extern Node *op2(int, Node *, Node *); 79 extern Node *op1(int, Node *); 80 extern Node *stat1(int, Node *); 81 extern Node *op3(int, Node *, Node *, Node *); 82 extern Node *op4(int, Node *, Node *, Node *, Node *); 83 extern Node *stat2(int, Node *, Node *); 84 extern Node *stat4(int, Node *, Node *, Node *, Node *); 85 extern Node *celltonode(Cell *, int); 86 extern Node *rectonode(void); 87 extern Node *makearr(Node *); 88 extern Node *pa2stat(Node *, Node *, Node *); 89 extern Node *linkum(Node *, Node *); 90 extern void defn(Cell *, Node *, Node *); 91 extern int isarg(const char *); 92 extern const char *tokname(int); 93 extern Cell *(*proctab[])(Node **, int); 94 extern int ptoi(void *); 95 extern Node *itonp(int); 96 97 extern void syminit(void); 98 extern void arginit(int, char **); 99 extern void envinit(char **); 100 extern Array *makesymtab(int); 101 extern void freesymtab(Cell *); 102 extern void freeelem(Cell *, const char *); 103 extern Cell *setsymtab(const char *, const char *, double, unsigned int, Array *); 104 extern int hash(const char *, int); 105 extern void rehash(Array *); 106 extern Cell *lookup(const char *, Array *); 107 extern double setfval(Cell *, double); 108 extern void funnyvar(Cell *, const char *); 109 extern char *setsval(Cell *, const char *); 110 extern double getfval(Cell *); 111 extern char *getsval(Cell *); 112 extern char *getpssval(Cell *); /* for print */ 113 extern char *tostring(const char *); 114 extern char *tostringN(const char *, size_t); 115 extern char *qstring(const char *, int); 116 extern Cell *catstr(Cell *, Cell *); 117 118 extern void recinit(unsigned int); 119 extern void initgetrec(void); 120 extern void makefields(int, int); 121 extern void growfldtab(int n); 122 extern void savefs(void); 123 extern int getrec(char **, int *, bool); 124 extern void nextfile(void); 125 extern int readrec(char **buf, int *bufsize, FILE *inf, bool isnew); 126 extern char *getargv(int); 127 extern void setclvar(char *); 128 extern void fldbld(void); 129 extern void cleanfld(int, int); 130 extern void newfld(int); 131 extern void setlastfld(int); 132 extern int refldbld(const char *, const char *); 133 extern void recbld(void); 134 extern Cell *fieldadr(int); 135 extern void yyerror(const char *); 136 extern void bracecheck(void); 137 extern void bcheck2(int, int, int); 138 extern void SYNTAX(const char *, ...) 139 __attribute__((__format__(__printf__, 1, 2))); 140 extern noreturn void FATAL(const char *, ...) 141 __attribute__((__format__(__printf__, 1, 2))); 142 extern void WARNING(const char *, ...) 143 __attribute__((__format__(__printf__, 1, 2))); 144 extern void error(void); 145 extern void eprint(void); 146 extern void bclass(int); 147 extern double errcheck(double, const char *); 148 extern int isclvar(const char *); 149 extern bool is_valid_number(const char *s, bool trailing_stuff_ok, 150 bool *no_trailing, double *result); 151 #define is_number(s, val) is_valid_number(s, false, NULL, val) 152 153 extern int adjbuf(char **pb, int *sz, int min, int q, char **pbp, const char *what); 154 extern void run(Node *); 155 extern Cell *execute(Node *); 156 extern Cell *program(Node **, int); 157 extern Cell *call(Node **, int); 158 extern Cell *copycell(Cell *); 159 extern Cell *arg(Node **, int); 160 extern Cell *jump(Node **, int); 161 extern Cell *awkgetline(Node **, int); 162 extern Cell *getnf(Node **, int); 163 extern Cell *array(Node **, int); 164 extern Cell *awkdelete(Node **, int); 165 extern Cell *intest(Node **, int); 166 extern Cell *matchop(Node **, int); 167 extern Cell *boolop(Node **, int); 168 extern Cell *relop(Node **, int); 169 extern void tfree(Cell *); 170 extern Cell *gettemp(void); 171 extern Cell *field(Node **, int); 172 extern Cell *indirect(Node **, int); 173 extern Cell *substr(Node **, int); 174 extern Cell *sindex(Node **, int); 175 extern int format(char **, int *, const char *, Node *); 176 extern Cell *awksprintf(Node **, int); 177 extern Cell *awkprintf(Node **, int); 178 extern Cell *arith(Node **, int); 179 extern double ipow(double, int); 180 extern Cell *incrdecr(Node **, int); 181 extern Cell *assign(Node **, int); 182 extern Cell *cat(Node **, int); 183 extern Cell *pastat(Node **, int); 184 extern Cell *dopa2(Node **, int); 185 extern Cell *split(Node **, int); 186 extern Cell *condexpr(Node **, int); 187 extern Cell *ifstat(Node **, int); 188 extern Cell *whilestat(Node **, int); 189 extern Cell *dostat(Node **, int); 190 extern Cell *forstat(Node **, int); 191 extern Cell *instat(Node **, int); 192 extern Cell *bltin(Node **, int); 193 extern Cell *printstat(Node **, int); 194 extern Cell *nullproc(Node **, int); 195 extern FILE *redirect(int, Node *); 196 extern FILE *openfile(int, const char *, bool *); 197 extern const char *filename(FILE *); 198 extern Cell *closefile(Node **, int); 199 extern void closeall(void); 200 extern Cell *sub(Node **, int); 201 extern Cell *gsub(Node **, int); 202 203 extern FILE *popen(const char *, const char *); 204 extern int pclose(FILE *); 205 206 extern const char *flags2str(int flags); 207