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Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / etc / config|
Return to lex.yy.c CVS log | Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / etc / config |
Power 6/32 Unix version 1.2b
# 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 200
# 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 ={stdin}, *yyout ={stdout};
extern int yylineno;
struct yysvf {
struct yywork *yystoff;
struct yysvf *yyother;
int *yystops;};
struct yysvf *yyestate;
extern struct yysvf yysvec[], *yybgin;
/* config.l 1.14 83/05/18 */
#include <ctype.h>
#include "y.tab.h"
#include "config.h"
#define tprintf if (do_trace) printf
/*
* Key word table
*/
struct kt {
char *kt_name;
int kt_val;
} key_words[] = {
{ "and", AND },
{ "args", ARGS },
{ "at", AT },
{ "config", CONFIG },
{ "controller", CONTROLLER },
{ "cpu", CPU },
{ "csr", CSR },
{ "device", DEVICE },
{ "disk", DISK },
{ "drive", DRIVE },
{ "dst", DST },
{ "dumps", DUMPS },
{ "flags", FLAGS },
{ "hz", HZ },
{ "ident", IDENT },
{ "machine", MACHINE },
{ "major", MAJOR },
{ "master", MASTER },
{ "maxusers", MAXUSERS },
{ "mba", MBA },
{ "minor", MINOR },
{ "nexus", NEXUS },
{ "on", ON },
{ "options", OPTIONS },
{ "priority", PRIORITY },
{ "pseudo-device",PSEUDO_DEVICE },
{ "root", ROOT },
{ "size", SIZE },
{ "slave", SLAVE },
{ "swap", SWAP },
{ "tape", DEVICE },
{ "timezone", TIMEZONE },
{ "trace", TRACE },
{ "uba", UBA },
{ "vba", VBA },
{ "vector", VECTOR },
{ 0, 0 },
};
# define YYNEWLINE 10
yylex(){
int nstr; extern int yyprevious;
while((nstr = yylook()) >= 0)
yyfussy: switch(nstr){
case 0:
if(yywrap()) return(0); break;
case 1:
{
int i;
if ((i = kw_lookup(yytext)) == -1)
{
yylval.str = yytext;
tprintf("id(%s) ", yytext);
return ID;
}
tprintf("(%s) ", yytext);
return i;
}
break;
case 2:
{
yytext[strlen(yytext)-1] = '\0';
yylval.str = yytext + 1;
return ID;
}
break;
case 3:
{
yylval.val = octal(yytext);
tprintf("#O:%o ", yylval.val);
return NUMBER;
}
break;
case 4:
{
yylval.val = hex(yytext);
tprintf("#X:%x ", yylval.val);
return NUMBER;
}
break;
case 5:
{
yylval.val = atoi(yytext);
tprintf("#D:%d ", yylval.val);
return NUMBER;
}
break;
case 6:
{
double atof();
yylval.val = (int) (60 * atof(yytext) + 0.5);
return FPNUMBER;
}
break;
case 7:
{
return MINUS;
}
break;
case 8:
{
yylval.val = -1;
tprintf("? ");
return NUMBER;
}
break;
case 9:
{
yyline++;
tprintf("\n... ");
}
break;
case 10:
{
yyline++;
tprintf("\n");
return SEMICOLON;
}
break;
case 11:
{ /* Ignored (comment) */; }
break;
case 12:
{ /* Ignored (white space) */; }
break;
case 13:
{ return SEMICOLON; }
break;
case 14:
{ return COMMA; }
break;
case 15:
{ return EQUALS; }
break;
case 16:
{ return AT; }
break;
case 17:
{ return yytext[0]; }
break;
case -1:
break;
default:
fprintf(yyout,"bad switch yylook %d",nstr);
} return(0); }
/* end of yylex */
/*
* kw_lookup
* Look up a string in the keyword table. Returns a -1 if the
* string is not a keyword otherwise it returns the keyword number
*/
kw_lookup(word)
register char *word;
{
register struct kt *kp;
for (kp = key_words; kp->kt_name != 0; kp++)
if (eq(word, kp->kt_name))
return kp->kt_val;
return -1;
}
/*
* Number conversion routines
*/
octal(str)
char *str;
{
int num;
(void) sscanf(str, "%o", &num);
return num;
}
hex(str)
char *str;
{
int num;
(void) sscanf(str+2, "%x", &num);
return num;
}
int yyvstop[] ={
0,
12,
0,
12,
0,
17,
0,
12,
17,
0,
10,
-9,
0,
17,
0,
11,
17,
0,
14,
17,
0,
7,
17,
0,
3,
17,
0,
5,
17,
0,
13,
17,
0,
15,
17,
0,
8,
17,
0,
16,
17,
0,
1,
17,
0,
12,
0,
9,
0,
11,
0,
6,
0,
3,
0,
5,
0,
1,
0,
2,
0,
4,
0,
0};
# define YYTYPE char
struct yywork { YYTYPE verify, advance; } yycrank[] ={
0,0, 0,0, 1,3, 1,3,
6,19, 6,19, 0,0, 0,0,
19,19, 20,20, 1,4, 1,5,
6,19, 6,19, 2,3, 4,17,
5,18, 20,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 1,6,
1,7, 6,0, 4,17, 5,18,
19,26, 0,0, 0,0, 0,0,
0,0, 1,8, 1,9, 2,7,
6,19, 1,10, 1,11, 6,19,
6,19, 0,0, 0,0, 0,0,
2,8, 1,11, 0,0, 6,19,
1,12, 0,0, 1,13, 0,0,
1,14, 1,15, 1,16, 0,0,
6,19, 7,20, 7,20, 2,12,
1,16, 2,13, 6,19, 2,14,
2,15, 7,20, 7,0, 10,21,
0,0, 10,22, 10,22, 10,22,
10,22, 10,22, 10,22, 10,22,
10,22, 11,21, 0,0, 11,24,
11,24, 11,24, 11,24, 11,24,
11,24, 11,24, 11,24, 11,24,
11,24, 0,0, 7,20, 21,21,
21,21, 21,21, 21,21, 21,21,
21,21, 21,21, 21,21, 21,21,
21,21, 7,20, 0,0, 0,0,
7,20, 7,20, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
7,20, 22,22, 22,22, 22,22,
22,22, 22,22, 22,22, 22,22,
22,22, 7,20, 16,25, 0,0,
0,0, 0,0, 0,0, 7,20,
24,24, 24,24, 24,24, 24,24,
24,24, 24,24, 24,24, 24,24,
24,24, 24,24, 0,0, 0,0,
0,0, 10,23, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
0,0, 0,0, 0,0, 0,0,
16,25, 0,0, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
16,25, 16,25, 16,25, 16,25,
23,27, 23,27, 23,27, 23,27,
23,27, 23,27, 23,27, 23,27,
23,27, 23,27, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 23,27, 23,27, 23,27,
23,27, 23,27, 23,27, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 0,0, 0,0, 0,0,
0,0, 23,27, 23,27, 23,27,
23,27, 23,27, 23,27, 0,0,
0,0};
struct yysvf yysvec[] ={
0, 0, 0,
yycrank+-1, 0, yyvstop+1,
yycrank+-12, yysvec+1, yyvstop+3,
yycrank+0, 0, yyvstop+5,
yycrank+6, 0, yyvstop+7,
yycrank+7, 0, yyvstop+10,
yycrank+-3, 0, yyvstop+13,
yycrank+-68, 0, yyvstop+15,
yycrank+0, 0, yyvstop+18,
yycrank+0, 0, yyvstop+21,
yycrank+33, 0, yyvstop+24,
yycrank+43, 0, yyvstop+27,
yycrank+0, 0, yyvstop+30,
yycrank+0, 0, yyvstop+33,
yycrank+0, 0, yyvstop+36,
yycrank+0, 0, yyvstop+39,
yycrank+89, 0, yyvstop+42,
yycrank+0, yysvec+4, yyvstop+45,
yycrank+0, 0, yyvstop+47,
yycrank+-6, yysvec+6, 0,
yycrank+-7, yysvec+7, yyvstop+49,
yycrank+55, 0, yyvstop+51,
yycrank+77, 0, yyvstop+53,
yycrank+164, 0, 0,
yycrank+92, 0, yyvstop+55,
yycrank+0, yysvec+16, yyvstop+57,
yycrank+0, 0, yyvstop+59,
yycrank+0, yysvec+23, yyvstop+61,
0, 0, 0};
struct yywork *yytop = yycrank+266;
struct yysvf *yybgin = yysvec+1;
char yymatch[] ={
00 ,01 ,00 ,01 ,01 ,01 ,01 ,01 ,
01 ,011 ,012 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,01 ,01 ,01 ,
011 ,01 ,'"' ,01 ,01 ,01 ,01 ,01 ,
01 ,01 ,01 ,01 ,01 ,'-' ,01 ,01 ,
'0' ,'1' ,'1' ,'1' ,'1' ,'1' ,'1' ,'1' ,
'8' ,'8' ,01 ,01 ,01 ,01 ,01 ,01 ,
01 ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'G' ,
'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,
'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,
'G' ,'G' ,'G' ,01 ,01 ,01 ,01 ,'G' ,
01 ,'A' ,'A' ,'A' ,'A' ,'A' ,'A' ,'G' ,
'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,
'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,'G' ,
'G' ,'G' ,'G' ,01 ,01 ,01 ,01 ,01 ,
0};
char yyextra[] ={
0,0,0,0,0,0,0,0,
0,1,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0};
int yylineno =1;
# define YYU(x) x
# define NLSTATE yyprevious=YYNEWLINE
char yytext[YYLMAX];
struct yysvf *yylstate [YYLMAX], **yylsp, **yyolsp;
char yysbuf[YYLMAX];
char *yysptr = yysbuf;
int *yyfnd;
extern struct yysvf *yyestate;
int yyprevious = YYNEWLINE;
yylook(){
register struct yysvf *yystate, **lsp;
register struct yywork *yyt;
struct yysvf *yyz;
int yych;
struct yywork *yyr;
# ifdef LEXDEBUG
int debug;
# endif
char *yylastch;
/* start off machines */
# ifdef LEXDEBUG
debug = 0;
# endif
if (!yymorfg)
yylastch = yytext;
else {
yymorfg=0;
yylastch = yytext+yyleng;
}
for(;;){
lsp = yylstate;
yyestate = yystate = yybgin;
if (yyprevious==YYNEWLINE) yystate++;
for (;;){
# ifdef LEXDEBUG
if(debug)fprintf(yyout,"state %d\n",yystate-yysvec-1);
# endif
yyt = yystate->yystoff;
if(yyt == yycrank){ /* may not be any transitions */
yyz = yystate->yyother;
if(yyz == 0)break;
if(yyz->yystoff == yycrank)break;
}
*yylastch++ = yych = input();
tryagain:
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"char ");
allprint(yych);
putchar('\n');
}
# endif
yyr = yyt;
if ( (int)yyt > (int)yycrank){
yyt = yyr + yych;
if (yyt <= yytop && yyt->verify+yysvec == yystate){
if(yyt->advance+yysvec == YYLERR) /* error transitions */
{unput(*--yylastch);break;}
*lsp++ = yystate = yyt->advance+yysvec;
goto contin;
}
}
# ifdef YYOPTIM
else if((int)yyt < (int)yycrank) { /* r < yycrank */
yyt = yyr = yycrank+(yycrank-yyt);
# ifdef LEXDEBUG
if(debug)fprintf(yyout,"compressed state\n");
# endif
yyt = yyt + yych;
if(yyt <= yytop && yyt->verify+yysvec == yystate){
if(yyt->advance+yysvec == YYLERR) /* error transitions */
{unput(*--yylastch);break;}
*lsp++ = yystate = yyt->advance+yysvec;
goto contin;
}
yyt = yyr + YYU(yymatch[yych]);
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"try fall back character ");
allprint(YYU(yymatch[yych]));
putchar('\n');
}
# endif
if(yyt <= yytop && yyt->verify+yysvec == yystate){
if(yyt->advance+yysvec == YYLERR) /* error transition */
{unput(*--yylastch);break;}
*lsp++ = yystate = yyt->advance+yysvec;
goto contin;
}
}
if ((yystate = yystate->yyother) && (yyt= yystate->yystoff) != yycrank){
# ifdef LEXDEBUG
if(debug)fprintf(yyout,"fall back to state %d\n",yystate-yysvec-1);
# endif
goto tryagain;
}
# endif
else
{unput(*--yylastch);break;}
contin:
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"state %d char ",yystate-yysvec-1);
allprint(yych);
putchar('\n');
}
# endif
;
}
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"stopped at %d with ",*(lsp-1)-yysvec-1);
allprint(yych);
putchar('\n');
}
# endif
while (lsp-- > yylstate){
*yylastch-- = 0;
if (*lsp != 0 && (yyfnd= (*lsp)->yystops) && *yyfnd > 0){
yyolsp = lsp;
if(yyextra[*yyfnd]){ /* must backup */
while(yyback((*lsp)->yystops,-*yyfnd) != 1 && lsp > yylstate){
lsp--;
unput(*yylastch--);
}
}
yyprevious = YYU(*yylastch);
yylsp = lsp;
yyleng = yylastch-yytext+1;
yytext[yyleng] = 0;
# ifdef LEXDEBUG
if(debug){
fprintf(yyout,"\nmatch ");
sprint(yytext);
fprintf(yyout," action %d\n",*yyfnd);
}
# endif
return(*yyfnd++);
}
unput(*yylastch);
}
if (yytext[0] == 0 /* && feof(yyin) */)
{
yysptr=yysbuf;
return(0);
}
yyprevious = yytext[0] = input();
if (yyprevious>0)
output(yyprevious);
yylastch=yytext;
# ifdef LEXDEBUG
if(debug)putchar('\n');
# endif
}
}
yyback(p, m)
int *p;
{
if (p==0) return(0);
while (*p)
{
if (*p++ == m)
return(1);
}
return(0);
}
/* the following are only used in the lex library */
yyinput(){
return(input());
}
yyoutput(c)
int c; {
output(c);
}
yyunput(c)
int c; {
unput(c);
}
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