1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/****************************************************************
Copyright (C) AT&T and Lucent Technologies 1996
All Rights Reserved
Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the names of AT&T or Lucent Technologies
or any of their entities not be used in advertising or publicity
pertaining to distribution of the software without specific,
written prior permission.
AT&T AND LUCENT DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS. IN NO EVENT SHALL AT&T OR LUCENT OR ANY OF THEIR
ENTITIES BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
USE OR PERFORMANCE OF THIS SOFTWARE.
****************************************************************/
extern int yywrap(void);
extern void setfname(Cell *);
extern int constnode(Node *);
extern char *strnode(Node *);
extern Node *notnull(Node *);
extern int yyparse(void);
extern int yylex(void);
extern void startreg(void);
extern int input(void);
extern void unput(int);
extern void unputstr(char *);
extern int yylook(void);
extern int yyback(int *, int);
extern int yyinput(void);
extern fa *makedfa(char *, int);
extern fa *mkdfa(char *, int);
extern int makeinit(fa *, int);
extern void penter(Node *);
extern void freetr(Node *);
extern int hexstr(char **);
extern int quoted(char **);
extern char *cclenter(char *);
extern void overflo(char *);
extern void cfoll(fa *, Node *);
extern int first(Node *);
extern void follow(Node *);
extern int member(int, char *);
extern int match(fa *, char *);
extern int pmatch(fa *, char *);
extern int nematch(fa *, char *);
extern Node *reparse(char *);
extern Node *regexp(void);
extern Node *primary(void);
extern Node *concat(Node *);
extern Node *alt(Node *);
extern Node *unary(Node *);
extern int relex(void);
extern int cgoto(fa *, int, int);
extern void freefa(fa *);
extern int pgetc(void);
extern Node *nodealloc(int);
extern Node *exptostat(Node *);
extern Node *node1(int, Node *);
extern Node *node2(int, Node *, Node *);
extern Node *node3(int, Node *, Node *, Node *);
extern Node *node4(int, Node *, Node *, Node *, Node *);
extern Node *stat3(int, Node *, Node *, Node *);
extern Node *op2(int, Node *, Node *);
extern Node *op1(int, Node *);
extern Node *stat1(int, Node *);
extern Node *op3(int, Node *, Node *, Node *);
extern Node *op4(int, Node *, Node *, Node *, Node *);
extern Node *stat2(int, Node *, Node *);
extern Node *stat4(int, Node *, Node *, Node *, Node *);
extern Node *valtonode(Cell *, int);
extern Node *rectonode(void);
extern Node *makearr(Node *);
extern Node *pa2stat(Node *, Node *, Node *);
extern Node *linkum(Node *, Node *);
extern void defn(Cell *, Node *, Node *);
extern int isarg(char *);
extern char *tokname(int);
extern Cell *(*proctab[])(Node **, int);
extern void syminit(void);
extern void arginit(int, char **);
extern void envinit(char **);
extern Array *makesymtab(int);
extern void freesymtab(Cell *);
extern void freeelem(Cell *, char *);
extern Cell *setsymtab(char *, char *, double, unsigned int, Array *);
extern int hash(char *, int);
extern void rehash(Array *);
extern Cell *lookup(char *, Array *);
extern double setfval(Cell *, double);
extern void funnyvar(Cell *, char *);
extern char *setsval(Cell *, char *);
extern double getfval(Cell *);
extern char *getsval(Cell *);
extern char *tostring(char *);
extern char *qstring(char *, int);
extern void recinit(unsigned int);
extern void initgetrec(void);
extern int getrec(char *);
extern void nextfile(void);
extern int readrec(char *buf, int bufsize, FILE *inf);
extern char *getargv(int);
extern void setclvar(char *);
extern void fldbld(void);
extern void cleanfld(int, int);
extern void newfld(int);
extern int refldbld(char *, char *);
extern void recbld(void);
extern Cell *fieldadr(int);
extern void yyerror(char *);
extern void fpecatch(int);
extern void bracecheck(void);
extern void bcheck2(int, int, int);
extern void error(int, char *);
extern void eprint(void);
extern void bclass(int);
extern double errcheck(double, char *);
extern int isclvar(char *);
extern int isnumber(char *);
extern void run(Node *);
extern Cell *execute(Node *);
extern Cell *program(Node **, int);
extern Cell *call(Node **, int);
extern Cell *copycell(Cell *);
extern Cell *arg(Node **, int);
extern Cell *jump(Node **, int);
extern Cell *getline(Node **, int);
extern Cell *getnf(Node **, int);
extern Cell *array(Node **, int);
extern Cell *adelete(Node **, int);
extern Cell *intest(Node **, int);
extern Cell *matchop(Node **, int);
extern Cell *boolop(Node **, int);
extern Cell *relop(Node **, int);
extern void tfree(Cell *);
extern Cell *gettemp(void);
extern Cell *field(Node **, int);
extern Cell *indirect(Node **, int);
extern Cell *substr(Node **, int);
extern Cell *sindex(Node **, int);
extern int format(char *, int, char *, Node *);
extern Cell *awksprintf(Node **, int);
extern Cell *awkprintf(Node **, int);
extern Cell *arith(Node **, int);
extern double ipow(double, int);
extern Cell *incrdecr(Node **, int);
extern Cell *assign(Node **, int);
extern Cell *cat(Node **, int);
extern Cell *pastat(Node **, int);
extern Cell *dopa2(Node **, int);
extern Cell *split(Node **, int);
extern Cell *condexpr(Node **, int);
extern Cell *ifstat(Node **, int);
extern Cell *whilestat(Node **, int);
extern Cell *dostat(Node **, int);
extern Cell *forstat(Node **, int);
extern Cell *instat(Node **, int);
extern Cell *bltin(Node **, int);
extern Cell *printstat(Node **, int);
extern Cell *nullproc(Node **, int);
extern FILE *redirect(int, Node *);
extern FILE *openfile(int, char *);
extern char *filename(FILE *);
extern Cell *closefile(Node **, int);
extern void closeall(void);
extern Cell *sub(Node **, int);
extern Cell *gsub(Node **, int);
extern FILE *popen(const char *, const char *);
extern int pclose(FILE *);
|
