[unix-history] / usr / src / old / as.vax / asscan2.c

/*
 *	Copyright (c) 1982 Regents of the University of California
 */
#ifndef lint
static char sccsid[] = "@(#)asscan2.c 4.14 %G%";
#endif not lint

#include "asscanl.h"

static	inttoktype	oval = NL;
#define	ASINBUFSIZ	4096
char	inbufunget[8];
char	inbuffer[ASINBUFSIZ];
char	*Ginbufptr = inbuffer;
int	Ginbufcnt = 0;
int	scannerhadeof;

fillinbuffer()
{
		int	nread;
		int	goal;
		int	got;

	nread = 0;
	if (scannerhadeof == 0){
		goal = sizeof(inbuffer);
		do {
			got = read(stdin->_file, inbuffer + nread, goal);
			if (got == 0)
				scannerhadeof = 1;
			if (got <= 0)
				break;
			nread += got;
			goal -= got;
		} while (goal);
	} else {
		scannerhadeof = 0;
	}
	/*
	 *	getchar assumes that Ginbufcnt and Ginbufptr
	 *	are adjusted as if one character has been removed
	 *	from the input.
	 */
	if (nread == 0){
		inbuffer[0] = EOFCHAR;
		nread = 1;
	}
	Ginbufcnt = nread - 1;
	Ginbufptr = inbuffer + 1;
}

scan_dot_s(bufferbox)
	struct tokbufdesc *bufferbox;
{
	reg	char	*inbufptr;
	reg	int	inbufcnt;
	reg	int	ryylval;	/* local copy of lexical value */
	extern	int	yylval;		/* global copy of lexical value */
	reg	int	val;		/* the value returned */
		int	i;		/* simple counter */
	reg	char	*rcp;	
		int	ch;		/* treated as a character */
		int	ch1;		/* shadow value */
		struct 	symtab	*op;
		ptrall	lgbackpatch;	/* where to stuff a string length */
	reg	ptrall	bufptr;		/* where to stuff tokens */
		ptrall	bufub;		/* where not to stuff tokens */
		long	intval;		/* value of int */
		int	linescrossed;	/* when doing strings and comments */
		struct	Opcode		opstruct;
	reg	int	strlg;		/* the length of a string */

	(bytetoktype *)bufptr = (bytetoktype *) & (bufferbox->toks[0]);	
	(bytetoktype *)bufub = &(bufferbox->toks[AVAILTOKS]);

	MEMTOREGBUF;
	if (newfflag){
		newfflag = 0;
		ryylval = (int)savestr(newfname, strlen(newfname)+1, STR_BOTH);

		ptoken(bufptr, IFILE);
		ptoken(bufptr, STRING);
		pptr(bufptr, ryylval);

		ptoken(bufptr, ILINENO);
		ptoken(bufptr, INT);
		pint(bufptr,  1);
	}

	while (bufptr < bufub){
   loop:
        switch(ryylval = (type+1)[ch = getchar()]) {
	case SCANEOF:
	endoffile: ;
		inbufptr = 0;
		ptoken(bufptr, PARSEEOF);
		goto done;

	case DIV:		/*process C style comments*/
		if ( (ch = getchar()) == '*') {  /*comment prelude*/
			int	incomment;
			linescrossed = 0;
			incomment = 1;
			ch = getchar();	/*skip over the * */
			while(incomment){
				switch(ch){
				case '*':
					ch = getchar();
					incomment = (ch != '/');
					break;
				case '\n':
					scanlineno++;
					linescrossed++;
					ch = getchar();
					break;
				case EOFCHAR:
					goto endoffile;
				default:
					ch = getchar();
					break;
				}
			}
			val = ILINESKIP;
			ryylval = linescrossed;
			goto ret;
		} else {	/*just an ordinary DIV*/
			ungetc(ch);
			val = ryylval = DIV;
			goto ret;
		}
	case SH:
		if (oval == NL){
			/*
			 *	Attempt to recognize a C preprocessor
			 *	style comment '^#[ \t]*[0-9]*[ \t]*".*"
			 */
			ch = getchar();	/*bump the #*/
			while (INCHARSET(ch, SPACE))
				ch = getchar();/*bump white */
			if (INCHARSET(ch, DIGIT)){
				intval = 0;
				while(INCHARSET(ch, DIGIT)){
					intval = intval*10 + ch - '0';
					ch = getchar();
				}
				while (INCHARSET(ch, SPACE))
					ch = getchar();
				if (ch == '"'){
					ptoken(bufptr, ILINENO);
					ptoken(bufptr, INT);
					pint(bufptr, intval - 1);
					ptoken(bufptr, IFILE);
					/*
					 *	The '"' has already been
					 *	munched
					 *	
					 *	eatstr will not eat
					 *	the trailing \n, so
					 *	it is given to the parser
					 *	and counted.
					 */
					goto eatstr;
				}
			}
		}
		/*
		 *	Well, its just an ordinary decadent comment
		 */
		while ((ch != '\n') && (ch != EOFCHAR)) 
			ch = getchar();
		if (ch == EOFCHAR)
			goto endoffile;
		val = ryylval = oval = NL;
		scanlineno++;
		goto ret;

	case NL:
		scanlineno++;
		val = ryylval;
		goto ret;

	case SP:
		oval = SP;	/*invalidate ^# meta comments*/
		goto loop;

	case REGOP:		/* % , could be used as modulo, or register*/
		ch = getchar();
		if (INCHARSET(ch, DIGIT)){
			ryylval = ch-'0';
			if (ch=='1') {
				if (INCHARSET( (ch = getchar()), REGDIGIT))
					ryylval = 10+ch-'0';
				else
					ungetc(ch);
			}
			/*
			 *	God only knows what the original author
			 *	wanted this undocumented feature to
			 *	do.
			 *		%5++ is really  r7
			 */
			while(INCHARSET( (ch = getchar()), SIGN)) {
				if (ch=='+')
					ryylval++;
				else
					ryylval--;
			}
			ungetc(ch);
			val = REG;
		} else {
			ungetc(ch);
			val = REGOP;
		}
		goto ret;

	case ALPH:
		ch1 = ch;
		if (INCHARSET(ch, SZSPECBEGIN)){
			if( (ch = getchar()) == '`' || ch == '^'){
				ch1 |= 0100;	/*convert to lower*/
				switch(ch1){
				case 'b':	ryylval = 1;	break;
				case 'w':	ryylval = 2;	break;
				case 'l':	ryylval = 4;	break;
				default:	ryylval = d124;	break;
				}
				val = SIZESPEC;
				goto ret;
			} else {
				ungetc(ch);
				ch = ch1;	/*restore first character*/
			}
		}
		rcp = yytext;
		do {
			if (rcp < &yytext[NCPName])
				*rcp++ = ch;
		} while (INCHARSET ( (ch = getchar()), ALPHA | DIGIT));
		*rcp = '\0';
		while (INCHARSET(ch, SPACE))
			ch = getchar();
		ungetc(ch);
	
		switch((op = *lookup(1))->s_tag){
		case 0:
		case LABELID:
			/*
			 *	Its a name... (Labels are subsets of name)
			 */
			ryylval = (int)op;
			val = NAME;
			break;
		case INST0:
		case INSTn:
		case IJXXX:
			opstruct.Op_popcode = ( (struct instab *)op)->i_popcode;
			opstruct.Op_eopcode = ( (struct instab *)op)->i_eopcode;
			val = op->s_tag;
			break;
		default:
			ryylval = ( (struct instab *)op)->i_popcode;
			val = op->s_tag;
			break;
		}
		goto ret;

	case DIG:
		/*
		 *	restore local inbufptr and inbufcnt
		 */
		REGTOMEMBUF;
		val = number(ch);
		MEMTOREGBUF;
		/*
		 *	yylval or yybignum has been stuffed as a side
		 *	effect to number(); get the global yylval
		 *	into our fast local copy in case it was an INT.
		 */
		ryylval = yylval;
		goto ret;

	case LSH:
	case RSH:
		/*
		 *	We allow the C style operators
		 *	<< and >>, as well as < and >
		 */
		if ( (ch1 = getchar()) != ch)
			ungetc(ch1);
		val = ryylval;
		goto ret;

	case MINUS:
		if ( (ch = getchar()) =='(')
			ryylval=val=MP;
		else {
			ungetc(ch);
			val=MINUS;
		}
		goto ret;

	case SQ:
		if ((ryylval = getchar()) == '\n')
			scanlineno++;		/*not entirely correct*/
		val = INT;
		goto ret;

	case DQ:
	   eatstr:
		linescrossed = 0;
		for (strlg = 0; /*VOID*/; strlg++){
		    switch(ch = getchar()){
		    case '"':
			goto tailDQ;
		    default:
		    stuff:
			putc(ch, strfile);
			break;
		    case '\n':
			yywarning("New line in a string constant");
			scanlineno++;
			linescrossed++;
			ch = getchar();
			switch(ch){
			case EOFCHAR:
				putc('\n', strfile);
				ungetc(EOFCHAR);
				goto tailDQ;
			default:
				ungetc(ch);
				ch = '\n';
				goto stuff;
			}
			break;

		    case '\\':
			ch = getchar();		/*skip the '\\'*/
			if ( INCHARSET(ch, BSESCAPE)){
				switch (ch){
				  case 'b':  ch = '\b'; goto stuff;
				  case 'f':  ch = '\f'; goto stuff;
				  case 'n':  ch = '\n'; goto stuff;
				  case 'r':  ch = '\r'; goto stuff;
				  case 't':  ch = '\t'; goto stuff;
				}
			}
			if ( !(INCHARSET(ch, OCTDIGIT)) ) 
				goto stuff;
			i = 0;
			intval = 0;
			while ( (i < 3) && (INCHARSET(ch, OCTDIGIT))){
				i++;
				intval <<= 3;
				intval += ch - '0';
				ch = getchar();
			}
			ungetc(ch);
			ch = (char)intval;
			goto stuff;
		    }
		}
	tailDQ: ;
		/*
		 *	account for any lines that were crossed
		 */
		if (linescrossed){
			ptoken(bufptr, ILINESKIP);
			pint(bufptr, linescrossed);
		}
		/*
		 *	Cheat: append a trailing null to the string
		 *	and then adjust the string length to ignore
		 *	the trailing null.  If any STRING client requires
		 *	the trailing null, the client can just change STRLEN
		 */
		putc(0, strfile);
		ryylval = (int)savestr((char *)0, strlg + 1, STR_FILE);
		val = STRING;
		((struct strdesc *)ryylval)->sd_strlen -= 1;
		goto ret;

	case BADCHAR:
		linescrossed = lineno;
		lineno = scanlineno;
		yyerror("Illegal character mapped: %d, char read:(octal) %o",
			ryylval, ch);
		lineno = linescrossed;
		val = BADCHAR;
		goto ret;

	default:
		val = ryylval;
		goto ret;
	}	/*end of the switch*/
	/*
	 *	here with one token, so stuff it
	 */
   ret:	
	oval = val;
	ptoken(bufptr, val);
	switch(val){
		case	ILINESKIP:
				pint(bufptr, ryylval);
				break;
		case	SIZESPEC:
				pchar(bufptr, ryylval);
				break;
		case	BFINT:	plong(bufptr, ryylval);
				break;
		case	INT:	plong(bufptr, ryylval);
				break;
		case 	BIGNUM:	pnumber(bufptr, yybignum);
				break;
		case	STRING:	pptr(bufptr, (int)(char *)ryylval);
				break;
		case	NAME:	pptr(bufptr, (int)(struct symtab *)ryylval);
				break;
		case	REG:	pchar(bufptr, ryylval);
				break;	
		case	INST0:
		case	INSTn:
				popcode(bufptr, opstruct);
				break;
		case 	IJXXX:
				popcode(bufptr, opstruct);
				pptr(bufptr, (int)(struct symtab *)symalloc());
				break;
		case	ISTAB:
		case	ISTABSTR:
		case	ISTABNONE:
		case	ISTABDOT:
		case	IALIGN:
				pptr(bufptr, (int)(struct symtab *)symalloc());
				break;
	/*
	 *	default:
	 */
	 }
	 builtval: ;
   }			/*end of the while to stuff the buffer*/
   done:
	bufferbox->tok_count = (bytetoktype *)bufptr - &(bufferbox->toks[0]);
	/*
	 *	This is a real kludge:
	 *
	 *	We put the last token in the buffer to be  a MINUS
	 *	symbol.  This last token will never be picked up
	 *	in the normal way, but can be looked at during
	 *	a peekahead look that the short circuit expression
	 *	evaluator uses to see if an expression is complicated.
	 *
	 *	Consider the following situation:
	 *
	 *	.word	45		+	47
	 *        buffer 1      |  buffer 0
	 *	the peekahead would want to look across the buffer,
	 *	but will look in the buffer end zone, see the minus, and
	 *	fail.
	 */
	ptoken(bufptr, MINUS);
	REGTOMEMBUF;
}
Commit	Line	Data
3bd55f52 RH	1	/*
	2	* Copyright (c) 1982 Regents of the University of California
	3	*/
	4	#ifndef lint
55520623	5	static char sccsid[] = "@(#)asscan2.c 4.14 %G%";
3bd55f52 RH	6	#endif not lint
	7
	8	#include "asscanl.h"
12044a7d	9
3bd55f52	10	static inttoktype oval = NL;
c86c4907	11	#define ASINBUFSIZ 4096
12044a7d RH	12	char inbufunget[8];
	13	char inbuffer[ASINBUFSIZ];
	14	char *Ginbufptr = inbuffer;
	15	int Ginbufcnt = 0;
55520623	16	int scannerhadeof;
12044a7d RH	17
	18	fillinbuffer()
	19	{
	20	int nread;
12044a7d RH	21	int goal;
	22	int got;
	23
	24	nread = 0;
55520623	25	if (scannerhadeof == 0){
12044a7d RH	26	goal = sizeof(inbuffer);
	27	do {
	28	got = read(stdin->_file, inbuffer + nread, goal);
	29	if (got == 0)
55520623	30	scannerhadeof = 1;
12044a7d RH	31	if (got <= 0)
	32	break;
	33	nread += got;
	34	goal -= got;
	35	} while (goal);
55520623 RH	36	} else {
55520623 RH	37	scannerhadeof = 0;
12044a7d	38	}
3bd55f52	39	/*
12044a7d RH	40	* getchar assumes that Ginbufcnt and Ginbufptr
	41	* are adjusted as if one character has been removed
	42	* from the input.
3bd55f52	43	*/
12044a7d RH	44	if (nread == 0){
	45	inbuffer[0] = EOFCHAR;
	46	nread = 1;
	47	}
	48	Ginbufcnt = nread - 1;
	49	Ginbufptr = inbuffer + 1;
	50	}
3bd55f52	51
3bd55f52 RH	52	scan_dot_s(bufferbox)
	53	struct tokbufdesc *bufferbox;
	54	{
12044a7d RH	55	reg char *inbufptr;
12044a7d RH	56	reg int inbufcnt;
3bd55f52 RH	57	reg int ryylval; /* local copy of lexical value */
	58	extern int yylval; /* global copy of lexical value */
	59	reg int val; /* the value returned */
	60	int i; /* simple counter */
	61	reg char *rcp;
12044a7d	62	int ch; /* treated as a character */
3bd55f52	63	int ch1; /* shadow value */
3bd55f52	64	struct symtab *op;
3bd55f52	65	ptrall lgbackpatch; /* where to stuff a string length */
12044a7d	66	reg ptrall bufptr; /* where to stuff tokens */
3bd55f52	67	ptrall bufub; /* where not to stuff tokens */
3bd55f52 RH	68	long intval; /* value of int */
	69	int linescrossed; /* when doing strings and comments */
	70	struct Opcode opstruct;
ffe89e04	71	reg int strlg; /* the length of a string */
3bd55f52 RH	72
	73	(bytetoktype )bufptr = (bytetoktype ) & (bufferbox->toks[0]);
	74	(bytetoktype *)bufub = &(bufferbox->toks[AVAILTOKS]);
	75
12044a7d	76	MEMTOREGBUF;
3bd55f52	77	if (newfflag){
ad67d5e5	78	newfflag = 0;
ffe89e04	79	ryylval = (int)savestr(newfname, strlen(newfname)+1, STR_BOTH);
ad67d5e5	80
3bd55f52 RH	81	ptoken(bufptr, IFILE);
3bd55f52 RH	82	ptoken(bufptr, STRING);
ad67d5e5	83	pptr(bufptr, ryylval);
3bd55f52 RH	84
	85	ptoken(bufptr, ILINENO);
	86	ptoken(bufptr, INT);
	87	pint(bufptr, 1);
3bd55f52 RH	88	}
	89
	90	while (bufptr < bufub){
	91	loop:
12044a7d	92	switch(ryylval = (type+1)[ch = getchar()]) {
3bd55f52	93	case SCANEOF:
12044a7d	94	endoffile: ;
3bd55f52	95	inbufptr = 0;
12044a7d RH	96	ptoken(bufptr, PARSEEOF);
12044a7d RH	97	goto done;
3bd55f52 RH	98
	99	case DIV: /process C style comments/
	100	if ( (ch = getchar()) == '') { /comment prelude*/
	101	int incomment;
	102	linescrossed = 0;
	103	incomment = 1;
	104	ch = getchar(); /skip over the */
	105	while(incomment){
	106	switch(ch){
	107	case '*':
	108	ch = getchar();
	109	incomment = (ch != '/');
	110	break;
	111	case '\n':
	112	scanlineno++;
	113	linescrossed++;
	114	ch = getchar();
	115	break;
	116	case EOFCHAR:
	117	goto endoffile;
3bd55f52 RH	118	default:
	119	ch = getchar();
	120	break;
	121	}
	122	}
	123	val = ILINESKIP;
	124	ryylval = linescrossed;
	125	goto ret;
	126	} else { /just an ordinary DIV/
	127	ungetc(ch);
	128	val = ryylval = DIV;
	129	goto ret;
	130	}
	131	case SH:
	132	if (oval == NL){
	133	/*
	134	* Attempt to recognize a C preprocessor
	135	* style comment '^#[ \t][0-9][ \t]"."
	136	*/
	137	ch = getchar(); /bump the #/
	138	while (INCHARSET(ch, SPACE))
	139	ch = getchar();/bump white /
	140	if (INCHARSET(ch, DIGIT)){
	141	intval = 0;
	142	while(INCHARSET(ch, DIGIT)){
	143	intval = intval*10 + ch - '0';
	144	ch = getchar();
	145	}
	146	while (INCHARSET(ch, SPACE))
	147	ch = getchar();
	148	if (ch == '"'){
	149	ptoken(bufptr, ILINENO);
	150	ptoken(bufptr, INT);
	151	pint(bufptr, intval - 1);
	152	ptoken(bufptr, IFILE);
	153	/*
	154	* The '"' has already been
	155	* munched
	156	*
	157	* eatstr will not eat
	158	* the trailing \n, so
	159	* it is given to the parser
	160	* and counted.
	161	*/
	162	goto eatstr;
	163	}
	164	}
	165	}
	166	/*
	167	* Well, its just an ordinary decadent comment
	168	*/
	169	while ((ch != '\n') && (ch != EOFCHAR))
	170	ch = getchar();
	171	if (ch == EOFCHAR)
	172	goto endoffile;
	173	val = ryylval = oval = NL;
	174	scanlineno++;
	175	goto ret;
	176
	177	case NL:
	178	scanlineno++;
	179	val = ryylval;
	180	goto ret;
	181
182	case SP:
183	oval = SP; /invalidate ^# meta comments/
184	goto loop;
185
186	case REGOP: /* % , could be used as modulo, or register*/
187	ch = getchar();
188	if (INCHARSET(ch, DIGIT)){
189	ryylval = ch-'0';
190	if (ch=='1') {
191	if (INCHARSET( (ch = getchar()), REGDIGIT))
192	ryylval = 10+ch-'0';
193	else
194	ungetc(ch);
195	}
196	/*
197	* God only knows what the original author
198	* wanted this undocumented feature to
199	* do.
200	* %5++ is really r7
201	*/
202	while(INCHARSET( (ch = getchar()), SIGN)) {
203	if (ch=='+')
204	ryylval++;
205	else
206	ryylval--;
207	}
208	ungetc(ch);
209	val = REG;
210	} else {
211	ungetc(ch);
212	val = REGOP;
213	}
214	goto ret;
215
216	case ALPH:
217	ch1 = ch;
218	if (INCHARSET(ch, SZSPECBEGIN)){
219	if( (ch = getchar()) == '`' \|\| ch == '^'){
220	ch1 \|= 0100; /convert to lower/
221	switch(ch1){
222	case 'b': ryylval = 1; break;
223	case 'w': ryylval = 2; break;
224	case 'l': ryylval = 4; break;
225	default: ryylval = d124; break;
226	}
227	val = SIZESPEC;
228	goto ret;
229	} else {
230	ungetc(ch);
231	ch = ch1; /restore first character/
232	}
233	}
234	rcp = yytext;
235	do {
abcba8d5	236	if (rcp < &yytext[NCPName])
3bd55f52 RH	237	*rcp++ = ch;
	238	} while (INCHARSET ( (ch = getchar()), ALPHA \| DIGIT));
	239	*rcp = '\0';
	240	while (INCHARSET(ch, SPACE))
	241	ch = getchar();
	242	ungetc(ch);
	243
	244	switch((op = *lookup(1))->s_tag){
	245	case 0:
	246	case LABELID:
	247	/*
ec43bca4	248	* Its a name... (Labels are subsets of name)
3bd55f52 RH	249	*/
	250	ryylval = (int)op;
	251	val = NAME;
	252	break;
	253	case INST0:
	254	case INSTn:
	255	case IJXXX:
	256	opstruct.Op_popcode = ( (struct instab *)op)->i_popcode;
	257	opstruct.Op_eopcode = ( (struct instab *)op)->i_eopcode;
	258	val = op->s_tag;
	259	break;
	260	default:
	261	ryylval = ( (struct instab *)op)->i_popcode;
	262	val = op->s_tag;
	263	break;
	264	}
	265	goto ret;
	266
	267	case DIG:
	268	/*
12044a7d	269	* restore local inbufptr and inbufcnt
3bd55f52	270	*/
12044a7d RH	271	REGTOMEMBUF;
	272	val = number(ch);
	273	MEMTOREGBUF;
3bd55f52 RH	274	/*
	275	* yylval or yybignum has been stuffed as a side
	276	* effect to number(); get the global yylval
	277	* into our fast local copy in case it was an INT.
	278	*/
	279	ryylval = yylval;
3bd55f52 RH	280	goto ret;
	281
	282	case LSH:
	283	case RSH:
	284	/*
	285	* We allow the C style operators
	286	* << and >>, as well as < and >
	287	*/
	288	if ( (ch1 = getchar()) != ch)
	289	ungetc(ch1);
	290	val = ryylval;
	291	goto ret;
	292
	293	case MINUS:
	294	if ( (ch = getchar()) =='(')
	295	ryylval=val=MP;
	296	else {
	297	ungetc(ch);
	298	val=MINUS;
	299	}
	300	goto ret;
	301
	302	case SQ:
	303	if ((ryylval = getchar()) == '\n')
	304	scanlineno++; /not entirely correct/
	305	val = INT;
	306	goto ret;
	307
	308	case DQ:
	309	eatstr:
	310	linescrossed = 0;
ffe89e04	311	for (strlg = 0; /VOID/; strlg++){
ad67d5e5 RH	312	switch(ch = getchar()){
	313	case '"':
	314	goto tailDQ;
	315	default:
	316	stuff:
ec43bca4	317	putc(ch, strfile);
ad67d5e5 RH	318	break;
	319	case '\n':
	320	yywarning("New line in a string constant");
3bd55f52 RH	321	scanlineno++;
	322	linescrossed++;
	323	ch = getchar();
ad67d5e5	324	switch(ch){
ad67d5e5	325	case EOFCHAR:
ec43bca4	326	putc('\n', strfile);
3bd55f52	327	ungetc(EOFCHAR);
ad67d5e5 RH	328	goto tailDQ;
ad67d5e5 RH	329	default:
3bd55f52 RH	330	ungetc(ch);
	331	ch = '\n';
	332	goto stuff;
	333	}
ad67d5e5 RH	334	break;
	335
	336	case '\\':
3bd55f52 RH	337	ch = getchar(); /skip the '\\'/
	338	if ( INCHARSET(ch, BSESCAPE)){
	339	switch (ch){
	340	case 'b': ch = '\b'; goto stuff;
	341	case 'f': ch = '\f'; goto stuff;
	342	case 'n': ch = '\n'; goto stuff;
	343	case 'r': ch = '\r'; goto stuff;
	344	case 't': ch = '\t'; goto stuff;
	345	}
	346	}
ad67d5e5 RH	347	if ( !(INCHARSET(ch, OCTDIGIT)) )
ad67d5e5 RH	348	goto stuff;
3bd55f52 RH	349	i = 0;
	350	intval = 0;
	351	while ( (i < 3) && (INCHARSET(ch, OCTDIGIT))){
ad67d5e5 RH	352	i++;
	353	intval <<= 3;
	354	intval += ch - '0';
3bd55f52 RH	355	ch = getchar();
	356	}
	357	ungetc(ch);
8a7e35d9	358	ch = (char)intval;
3bd55f52	359	goto stuff;
ad67d5e5	360	}
3bd55f52	361	}
ad67d5e5	362	tailDQ: ;
3bd55f52	363	/*
ad67d5e5	364	* account for any lines that were crossed
3bd55f52	365	*/
3bd55f52	366	if (linescrossed){
ad67d5e5 RH	367	ptoken(bufptr, ILINESKIP);
	368	pint(bufptr, linescrossed);
	369	}
	370	/*
ad67d5e5 RH	371	* Cheat: append a trailing null to the string
	372	* and then adjust the string length to ignore
	373	* the trailing null. If any STRING client requires
	374	* the trailing null, the client can just change STRLEN
	375	*/
ec43bca4	376	putc(0, strfile);
ffe89e04 RH	377	ryylval = (int)savestr((char *)0, strlg + 1, STR_FILE);
ffe89e04 RH	378	val = STRING;
ec43bca4	379	((struct strdesc *)ryylval)->sd_strlen -= 1;
ad67d5e5	380	goto ret;
3bd55f52 RH	381
	382	case BADCHAR:
	383	linescrossed = lineno;
	384	lineno = scanlineno;
	385	yyerror("Illegal character mapped: %d, char read:(octal) %o",
	386	ryylval, ch);
	387	lineno = linescrossed;
	388	val = BADCHAR;
	389	goto ret;
	390
	391	default:
	392	val = ryylval;
	393	goto ret;
	394	} /end of the switch/
	395	/*
	396	* here with one token, so stuff it
	397	*/
	398	ret:
	399	oval = val;
	400	ptoken(bufptr, val);
	401	switch(val){
	402	case ILINESKIP:
	403	pint(bufptr, ryylval);
	404	break;
	405	case SIZESPEC:
	406	pchar(bufptr, ryylval);
	407	break;
	408	case BFINT: plong(bufptr, ryylval);
	409	break;
	410	case INT: plong(bufptr, ryylval);
	411	break;
	412	case BIGNUM: pnumber(bufptr, yybignum);
	413	break;
ad67d5e5 RH	414	case STRING: pptr(bufptr, (int)(char *)ryylval);
ad67d5e5 RH	415	break;
3bd55f52 RH	416	case NAME: pptr(bufptr, (int)(struct symtab *)ryylval);
	417	break;
	418	case REG: pchar(bufptr, ryylval);
	419	break;
	420	case INST0:
	421	case INSTn:
	422	popcode(bufptr, opstruct);
	423	break;
	424	case IJXXX:
	425	popcode(bufptr, opstruct);
	426	pptr(bufptr, (int)(struct symtab *)symalloc());
	427	break;
	428	case ISTAB:
	429	case ISTABSTR:
	430	case ISTABNONE:
	431	case ISTABDOT:
	432	case IALIGN:
	433	pptr(bufptr, (int)(struct symtab *)symalloc());
	434	break;
	435	/*
	436	* default:
	437	*/
	438	}
	439	builtval: ;
	440	} /end of the while to stuff the buffer/
	441	done:
	442	bufferbox->tok_count = (bytetoktype *)bufptr - &(bufferbox->toks[0]);
3bd55f52 RH	443	/*
	444	* This is a real kludge:
	445	*
	446	* We put the last token in the buffer to be a MINUS
	447	* symbol. This last token will never be picked up
	448	* in the normal way, but can be looked at during
	449	* a peekahead look that the short circuit expression
	450	* evaluator uses to see if an expression is complicated.
	451	*
	452	* Consider the following situation:
	453	*
	454	* .word 45 + 47
	455	* buffer 1 \| buffer 0
	456	* the peekahead would want to look across the buffer,
	457	* but will look in the buffer end zone, see the minus, and
	458	* fail.
	459	*/
	460	ptoken(bufptr, MINUS);
12044a7d	461	REGTOMEMBUF;
3bd55f52	462	}