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awk.lx.c
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awk.lx.c
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# include <stdio.h>
# define U(x) x
# define NLSTATE yyprevious=YYNEWLINE
# define BEGIN yybgin = yysvec + 1 +
# define INITIAL 0
# define YYLERR yysvec
# define YYSTATE (yyestate-yysvec-1)
# define YYOPTIM 1
# define YYLMAX 156 /* 200 CoCo mem fix */
# define output(c) putc(c,yyout)
# define input() (((yytchar=yysptr>yysbuf?U(*--yysptr):getc(yyin))==10?(yylineno++,yytchar):yytchar)==EOF?0:yytchar)
# define unput(c) {yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar;}
# define yymore() (yymorfg=1)
# define ECHO fprintf(yyout, "%s",yytext)
# define REJECT { nstr = yyreject(); goto yyfussy;}
int yyleng; extern char yytext[];
int yymorfg;
extern char *yysptr, yysbuf[];
int yytchar;
FILE *yyin, *yyout;
extern int yylineno;
struct yysvf {
int yystoff;
struct yysvf *yyother;
int *yystops;};
struct yysvf *yyestate;
extern struct yysvf yysvec[], *yybgin;
# define A 2
# define str 4
# define chc 6
# define sc 8
# define reg 10
# define comment 12
#include "awk.h"
#include "awk.def"
#undef input /* defeat lex */
extern int yylval;
extern int mustfld;
int lineno = 1;
#ifdef DEBUG
# define RETURN(x) {if (dbg) ptoken(x); return(x); }
#else
# define RETURN(x) return(x)
#endif
#define CADD cbuf[clen++]=yytext[0]; if(clen>=CBUFLEN-1) {yyerror("string too long", cbuf); BEGIN A;}
#define CBUFLEN 150
char cbuf[CBUFLEN];
int clen, cflag;
# define YYNEWLINE 10
yylex(){
int nstr, tmp; extern int yyprevious;
tmp = yybgin-yysvec-1;
/*fprintf(stderr, "a %x %x %x %x\n", yybgin, yysvec, yysvec + 3, tmp);*/
switch (tmp) { /* witchcraft */
case 0:
BEGIN A;
/* fprintf(stderr, "b %x %x %x\n", yybgin, yysvec, yysvec + 3); */
break;
case sc:
BEGIN A;
/* fprintf(stderr, "c %x %x %x\n", yybgin, yysvec, yysvec + 3); */
RETURN('}');
/* default:
fprintf(stderr, "Impossible!\n"); */
}
yyout = stdout;
while((nstr = yylook()) >= 0)
yyfussy: switch(nstr){
case 0:
if(yywrap()) return(0); break;
case 1:
lineno++;
break;
case 2:
lineno++;
break;
case 3:
;
break;
case 4:
lineno++;
break;
case 5:
RETURN(BOR);
break;
case 6:
RETURN(XBEGIN);
break;
case 7:
RETURN(XEND);
break;
case 8:
RETURN(EOF);
break;
case 9:
RETURN(AND);
break;
case 10:
RETURN(NOT);
break;
case 11:
{ yylval = NE; RETURN(RELOP); }
break;
case 12:
{ yylval = MATCH; RETURN(MATCHOP); }
break;
case 13:
{ yylval = NOTMATCH; RETURN(MATCHOP); }
break;
case 14:
{ yylval = LT; RETURN(RELOP); }
break;
case 15:
{ yylval = LE; RETURN(RELOP); }
break;
case 16:
{ yylval = EQ; RETURN(RELOP); }
break;
case 17:
{ yylval = GE; RETURN(RELOP); }
break;
case 18:
{ yylval = GT; RETURN(RELOP); }
break;
case 19:
{ yylval = APPEND; RETURN(RELOP); }
break;
case 20:
{ yylval = INCR; RETURN(INCR); }
break;
case 21:
{ yylval = DECR; RETURN(DECR); }
break;
case 22:
{ yylval = ADDEQ; RETURN(ASGNOP); }
break;
case 23:
{ yylval = SUBEQ; RETURN(ASGNOP); }
break;
case 24:
{ yylval = MULTEQ; RETURN(ASGNOP); }
break;
case 25:
{ yylval = DIVEQ; RETURN(ASGNOP); }
break;
case 26:
{ yylval = MODEQ; RETURN(ASGNOP); }
break;
case 27:
{ yylval = ASSIGN; RETURN(ASGNOP); }
break;
case 28:
{ if (atoi(yytext+1)==0) {
yylval = lookup("$record", symtab);
RETURN(STRING);
} else {
yylval = fieldadr(atoi(yytext+1));
RETURN(FIELD);
}
}
break;
case 29:
{ RETURN(INDIRECT); }
break;
case 30:
{ mustfld=1; yylval = stsymtab(yytext, NULL, 0.0, NUM, symtab); RETURN(VAR); }
break;
case 31:
{
yylval = stsymtab(yytext, NULL, atof(yytext), CON|NUM, symtab); RETURN(NUMBER); }
break;
case 32:
{ BEGIN sc; lineno++; RETURN(';'); }
break;
case 33:
{ BEGIN sc; RETURN(';'); }
break;
case 34:
{ lineno++; RETURN(';'); }
break;
case 35:
{ lineno++; RETURN(NL); }
break;
case 36:
RETURN(WHILE);
break;
case 37:
RETURN(FOR);
break;
case 38:
RETURN(IF);
break;
case 39:
RETURN(ELSE);
break;
case 40:
RETURN(NEXT);
break;
case 41:
RETURN(EXIT);
break;
case 42:
RETURN(BREAK);
break;
case 43:
RETURN(CONTINUE);
break;
case 44:
{ yylval = PRINT; RETURN(PRINT); }
break;
case 45:
{ yylval = PRINTF; RETURN(PRINTF); }
break;
case 46:
{ yylval = SPRINTF; RETURN(SPRINTF); }
break;
case 47:
{ yylval = SPLIT; RETURN(SPLIT); }
break;
case 48:
RETURN(SUBSTR);
break;
case 49:
RETURN(INDEX);
break;
case 50:
RETURN(IN);
break;
case 51:
{ yylval = FLENGTH; RETURN(FNCN); }
break;
case 52:
{ yylval = FLOG; RETURN(FNCN); }
break;
case 53:
{ yylval = FINT; RETURN(FNCN); }
break;
case 54:
{ yylval = FEXP; RETURN(FNCN); }
break;
case 55:
{ yylval = FSQRT; RETURN(FNCN); }
break;
case 56:
{ yylval = stsymtab(yytext, tostring(""), 0.0, STR, symtab); RETURN(VAR); }
break;
case 57:
{ BEGIN str; clen=0; }
break;
case 58:
{ BEGIN comment; }
break;
case 59:
{ BEGIN A; lineno++; RETURN(NL); }
break;
case 60:
;
break;
case 61:
{ yylval = yytext[0]; RETURN(yytext[0]); }
break;
case 62:
{ BEGIN chc; clen=0; cflag=0; }
break;
case 63:
{ BEGIN chc; clen=0; cflag=1; }
break;
case 64:
RETURN(QUEST);
break;
case 65:
RETURN(PLUS);
break;
case 66:
RETURN(STAR);
break;
case 67:
RETURN(OR);
break;
case 68:
RETURN(DOT);
break;
case 69:
RETURN('(');
break;
case 70:
RETURN(')');
break;
case 71:
RETURN('^');
break;
case 72:
RETURN('$');
break;
case 73:
{ if (yytext[1]=='n') yylval = '\n';
else if (yytext[1] == 't') yylval = '\t';
else yylval = yytext[1];
RETURN(CHAR);
}
break;
case 74:
{ BEGIN A; unput('/'); }
break;
case 75:
{ yyerror("newline in regular expression"); lineno++; BEGIN A; }
break;
case 76:
{ yylval = yytext[0]; RETURN(CHAR); }
break;
case 77:
{ BEGIN A; cbuf[clen]=0; yylval = stsymtab(cbuf, tostring(cbuf), 0.0, CON|STR, symtab); RETURN(STRING); }
break;
case 78:
{ yyerror("newline in string"); lineno++; BEGIN A; }
break;
case 79:
{ cbuf[clen++]='"'; }
break;
case 80:
{ cbuf[clen++]='\n'; }
break;
case 81:
{ cbuf[clen++]='\t'; }
break;
case 82:
{ cbuf[clen++]='\\'; }
break;
case 83:
{ CADD; }
break;
case 84:
{ cbuf[clen++]=']'; }
break;
case 85:
{ BEGIN reg; cbuf[clen]=0; yylval = tostring(cbuf);
if (cflag==0) { RETURN(CCL); }
else { RETURN(NCCL); } }
break;
case 86:
{ yyerror("newline in character class"); lineno++; BEGIN A; }
break;
case 87:
{ CADD; }
break;
case -1:
break;
default:
fprintf(yyout,"bad switch yylook %d",nstr);
} return(0); }
/* end of yylex */
input()
{
register c;
extern char *lexprog;
/* fprintf(stderr, ">%s<\n", lexprog); */
if (yysptr > yysbuf)
c = U(*--yysptr);
else if (yyin == NULL)
c = *lexprog++;
else
c = getc(yyin);
if (c == '\n')
{
yylineno++;
c = YYNEWLINE; /* WDZ This needs to be what YY is expecting a newline to be */
}
else if (c == EOF)
c = 0;
/* fprintf(stderr, ".%c", c); */
return(c);
}
startreg()
{
BEGIN reg;
}
int yyvstop[] = {
0,
61,
0,
3,
61,
0,
35,
0,
10,
61,
0,
57,
61,
0,
58,
61,
0,
29,
61,
0,
61,
0,
61,
0,
61,
0,
61,
0,
61,
0,
61,
0,
61,
0,
31,
61,
0,
61,
0,
14,
61,
0,
27,
61,
0,
18,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
56,
61,
0,
61,
0,
33,
61,
0,
12,
61,
0,
3,
61,
0,
1,
35,
0,
58,
61,
0,
83,
0,
78,
0,
77,
83,
0,
83,
0,
87,
0,
86,
0,
87,
0,
85,
87,
0,
76,
0,
75,
0,
72,
76,
0,
69,
76,
0,
70,
76,
0,
66,
76,
0,
65,
76,
0,
68,
76,
0,
74,
76,
0,
64,
76,
0,
62,
76,
0,
76,
0,
71,
76,
0,
67,
76,
0,
60,
0,
59,
0,
11,
0,
13,
0,
29,
0,
28,
0,
26,
0,
9,
0,
24,
0,
20,
0,
22,
0,
21,
0,
23,
0,
31,
0,
25,
0,
31,
0,
31,
0,
34,
0,
15,
0,
16,
0,
17,
0,
19,
0,
56,
0,
56,
0,
56,
0,
30,
56,
0,
56,
0,
4,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
38,
56,
0,
50,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
5,
0,
32,
0,
2,
0,
79,
0,
82,
0,
80,
0,
81,
0,
84,
0,
63,
0,
73,
0,
31,
0,
56,
0,
7,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
54,
56,
0,
37,
56,
0,
56,
0,
53,
56,
0,
56,
0,
52,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
56,
0,
39,
56,
0,
41,
56,
0,
56,
0,
56,
0,
40,
56,
0,
56,
0,
56,
0,
56,
0,
55,
56,
0,
56,
0,
56,
0,
6,
56,
0,
56,
0,
42,
56,
0,
56,
0,
49,
56,
0,
56,
0,
44,
56,
0,
47,
56,
0,
56,
0,
56,
0,
36,
56,
0,
56,
0,
56,
0,
51,
56,
0,
45,
56,
0,
56,
0,
48,
56,
0,
8,
56,
0,
56,
0,
46,
56,
0,
43,
56,
0,
0};
# define YYTYPE int
struct yywork { YYTYPE verify, advance; } yycrank[] = {
0,0, 0,0, 3,15, 0,0,
0,0, 0,0, 0,0, 0,0,
13,78, 0,0, 3,16, 3,17,
0,0, 0,0, 0,0, 0,0,
13,78, 13,79, 30,96, 39,106,
0,0, 5,56, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 5,56, 5,57, 0,0,
0,0, 0,0, 3,18, 3,19,
3,20, 3,21, 3,22, 3,23,
0,0, 0,0, 0,0, 3,24,
3,25, 0,0, 3,26, 3,27,
3,28, 3,29, 6,58, 23,85,
0,0, 0,0, 5,58, 13,78,
25,87, 0,0, 0,0, 0,0,
3,30, 3,31, 3,32, 3,33,
26,89, 0,0, 3,34, 3,35,
5,56, 18,80, 3,36, 22,84,
13,78, 24,86, 25,88, 7,60,
28,92, 31,97, 32,98, 3,37,
26,90, 3,38, 35,102, 7,60,
7,61, 5,56, 33,99, 33,100,
36,103, 37,104, 38,105, 0,0,
59,128, 3,39, 0,0, 0,0,
0,0, 0,0, 0,0, 3,40,
3,41, 0,0, 3,42, 3,43,
4,53, 4,54, 3,44, 102,137,
6,59, 3,45, 44,112, 3,46,