1 /* ----------------------------------------------------------------------- *
3 * Copyright 1996-2009 The NASM Authors - All Rights Reserved
4 * See the file AUTHORS included with the NASM distribution for
5 * the specific copyright holders.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 * ----------------------------------------------------------------------- */
35 * parser.c source line parser for the Netwide Assembler
55 extern int in_abs_seg; /* ABSOLUTE segment flag */
56 extern int32_t abs_seg; /* ABSOLUTE segment */
57 extern int32_t abs_offset; /* ABSOLUTE segment offset */
59 static int is_comma_next(void);
62 static struct tokenval tokval;
64 static struct ofmt *outfmt; /* Structure of addresses of output routines */
65 static struct location *location; /* Pointer to current line's segment,offset */
67 void parser_global_info(struct ofmt *output, struct location * locp)
73 static int prefix_slot(enum prefixes prefix)
103 error(ERR_PANIC, "Invalid value %d passed to prefix_slot()", prefix);
108 static void process_size_override(insn * result, int operand)
110 if (tasm_compatible_mode) {
111 switch ((int)tokval.t_integer) {
112 /* For TASM compatibility a size override inside the
113 * brackets changes the size of the operand, not the
114 * address type of the operand as it does in standard
115 * NASM syntax. Hence:
117 * mov eax,[DWORD val]
119 * is valid syntax in TASM compatibility mode. Note that
120 * you lose the ability to override the default address
121 * type for the instruction, but we never use anything
122 * but 32-bit flat model addressing in our code.
125 result->oprs[operand].type |= BITS8;
128 result->oprs[operand].type |= BITS16;
132 result->oprs[operand].type |= BITS32;
135 result->oprs[operand].type |= BITS64;
138 result->oprs[operand].type |= BITS80;
141 result->oprs[operand].type |= BITS128;
145 "invalid operand size specification");
149 /* Standard NASM compatible syntax */
150 switch ((int)tokval.t_integer) {
152 result->oprs[operand].eaflags |= EAF_TIMESTWO;
155 result->oprs[operand].eaflags |= EAF_REL;
158 result->oprs[operand].eaflags |= EAF_ABS;
161 result->oprs[operand].disp_size = 8;
162 result->oprs[operand].eaflags |= EAF_BYTEOFFS;
167 if (result->prefixes[PPS_ASIZE] &&
168 result->prefixes[PPS_ASIZE] != tokval.t_integer)
170 "conflicting address size specifications");
172 result->prefixes[PPS_ASIZE] = tokval.t_integer;
175 result->oprs[operand].disp_size = 16;
176 result->oprs[operand].eaflags |= EAF_WORDOFFS;
180 result->oprs[operand].disp_size = 32;
181 result->oprs[operand].eaflags |= EAF_WORDOFFS;
184 result->oprs[operand].disp_size = 64;
185 result->oprs[operand].eaflags |= EAF_WORDOFFS;
188 error(ERR_NONFATAL, "invalid size specification in"
189 " effective address");
195 insn *parse_line(int pass, char *buffer, insn * result,
196 efunc errfunc, evalfunc evaluate, ldfunc ldef)
200 struct eval_hints hints;
203 bool insn_is_label = false;
208 result->forw_ref = false;
212 stdscan_bufptr = buffer;
213 i = stdscan(NULL, &tokval);
215 result->label = NULL; /* Assume no label */
216 result->eops = NULL; /* must do this, whatever happens */
217 result->operands = 0; /* must initialize this */
219 if (i == 0) { /* blank line - ignore */
220 result->opcode = -1; /* and no instruction either */
223 if (i != TOKEN_ID && i != TOKEN_INSN && i != TOKEN_PREFIX &&
224 (i != TOKEN_REG || (REG_SREG & ~nasm_reg_flags[tokval.t_integer]))) {
225 error(ERR_NONFATAL, "label or instruction expected"
226 " at start of line");
231 if (i == TOKEN_ID || (insn_is_label && i == TOKEN_INSN)) {
232 /* there's a label here */
234 result->label = tokval.t_charptr;
235 i = stdscan(NULL, &tokval);
236 if (i == ':') { /* skip over the optional colon */
237 i = stdscan(NULL, &tokval);
239 error(ERR_WARNING | ERR_WARN_OL | ERR_PASS1,
240 "label alone on a line without a colon might be in error");
242 if (i != TOKEN_INSN || tokval.t_integer != I_EQU) {
244 * FIXME: location->segment could be NO_SEG, in which case
245 * it is possible we should be passing 'abs_seg'. Look into this.
246 * Work out whether that is *really* what we should be doing.
247 * Generally fix things. I think this is right as it is, but
248 * am still not certain.
250 ldef(result->label, in_abs_seg ? abs_seg : location->segment,
251 location->offset, NULL, true, false, outfmt, errfunc);
256 result->opcode = -1; /* this line contains just a label */
260 for (j = 0; j < MAXPREFIX; j++)
261 result->prefixes[j] = P_none;
264 while (i == TOKEN_PREFIX ||
265 (i == TOKEN_REG && !(REG_SREG & ~nasm_reg_flags[tokval.t_integer])))
270 * Handle special case: the TIMES prefix.
272 if (i == TOKEN_PREFIX && tokval.t_integer == P_TIMES) {
275 i = stdscan(NULL, &tokval);
277 evaluate(stdscan, NULL, &tokval, NULL, pass0, error, NULL);
279 if (!value) { /* but, error in evaluator */
280 result->opcode = -1; /* unrecoverable parse error: */
281 return result; /* ignore this instruction */
283 if (!is_simple(value)) {
285 "non-constant argument supplied to TIMES");
288 result->times = value->value;
289 if (value->value < 0 && pass0 == 2) {
290 error(ERR_NONFATAL, "TIMES value %d is negative",
296 int slot = prefix_slot(tokval.t_integer);
297 if (result->prefixes[slot]) {
298 if (result->prefixes[slot] == tokval.t_integer)
300 "instruction has redundant prefixes");
303 "instruction has conflicting prefixes");
305 result->prefixes[slot] = tokval.t_integer;
306 i = stdscan(NULL, &tokval);
310 if (i != TOKEN_INSN) {
314 for (j = 0; j < MAXPREFIX; j++)
315 if ((pfx = result->prefixes[j]) != P_none)
318 if (i == 0 && pfx != P_none) {
320 * Instruction prefixes are present, but no actual
321 * instruction. This is allowed: at this point we
322 * invent a notional instruction of RESB 0.
324 result->opcode = I_RESB;
325 result->operands = 1;
326 result->oprs[0].type = IMMEDIATE;
327 result->oprs[0].offset = 0L;
328 result->oprs[0].segment = result->oprs[0].wrt = NO_SEG;
331 error(ERR_NONFATAL, "parser: instruction expected");
337 result->opcode = tokval.t_integer;
338 result->condition = tokval.t_inttwo;
341 * INCBIN cannot be satisfied with incorrectly
342 * evaluated operands, since the correct values _must_ be known
343 * on the first pass. Hence, even in pass one, we set the
344 * `critical' flag on calling evaluate(), so that it will bomb
345 * out on undefined symbols.
347 if (result->opcode == I_INCBIN) {
348 critical = (pass0 < 2 ? 1 : 2);
351 critical = (pass == 2 ? 2 : 0);
353 if (result->opcode == I_DB || result->opcode == I_DW ||
354 result->opcode == I_DD || result->opcode == I_DQ ||
355 result->opcode == I_DT || result->opcode == I_DO ||
356 result->opcode == I_DY || result->opcode == I_INCBIN) {
357 extop *eop, **tail = &result->eops, **fixptr;
361 result->eops_float = false;
364 * Begin to read the DB/DW/DD/DQ/DT/DO/INCBIN operands.
367 i = stdscan(NULL, &tokval);
370 else if (first && i == ':') {
371 insn_is_label = true;
376 eop = *tail = nasm_malloc(sizeof(extop));
379 eop->type = EOT_NOTHING;
383 /* is_comma_next() here is to distinguish this from
384 a string used as part of an expression... */
385 if (i == TOKEN_STR && is_comma_next()) {
386 eop->type = EOT_DB_STRING;
387 eop->stringval = tokval.t_charptr;
388 eop->stringlen = tokval.t_inttwo;
389 i = stdscan(NULL, &tokval); /* eat the comma */
390 } else if (i == TOKEN_STRFUNC) {
392 const char *funcname = tokval.t_charptr;
393 enum strfunc func = tokval.t_integer;
394 i = stdscan(NULL, &tokval);
397 i = stdscan(NULL, &tokval);
399 if (i != TOKEN_STR) {
401 "%s must be followed by a string constant",
403 eop->type = EOT_NOTHING;
405 eop->type = EOT_DB_STRING_FREE;
407 string_transform(tokval.t_charptr, tokval.t_inttwo,
408 &eop->stringval, func);
409 if (eop->stringlen == (size_t)-1) {
410 error(ERR_NONFATAL, "invalid string for transform");
411 eop->type = EOT_NOTHING;
414 if (parens && i && i != ')') {
415 i = stdscan(NULL, &tokval);
417 error(ERR_NONFATAL, "unterminated %s function",
422 i = stdscan(NULL, &tokval);
423 } else if (i == '-' || i == '+') {
424 char *save = stdscan_bufptr;
426 sign = (i == '-') ? -1 : 1;
427 i = stdscan(NULL, &tokval);
428 if (i != TOKEN_FLOAT) {
429 stdscan_bufptr = save;
430 i = tokval.t_type = token;
435 } else if (i == TOKEN_FLOAT) {
437 eop->type = EOT_DB_STRING;
438 result->eops_float = true;
439 switch (result->opcode) {
459 error(ERR_NONFATAL, "floating-point constant"
460 " encountered in DY instruction");
464 error(ERR_NONFATAL, "floating-point constant"
465 " encountered in unknown instruction");
467 * fix suggested by Pedro Gimeno... original line
469 * eop->type = EOT_NOTHING;
474 eop = nasm_realloc(eop, sizeof(extop) + eop->stringlen);
477 eop->stringval = (char *)eop + sizeof(extop);
478 if (!eop->stringlen ||
479 !float_const(tokval.t_charptr, sign,
480 (uint8_t *)eop->stringval,
481 eop->stringlen, error))
482 eop->type = EOT_NOTHING;
483 i = stdscan(NULL, &tokval); /* eat the comma */
485 /* anything else, assume it is an expression */
489 value = evaluate(stdscan, NULL, &tokval, NULL,
490 critical, error, NULL);
492 if (!value) { /* error in evaluator */
493 result->opcode = -1; /* unrecoverable parse error: */
494 return result; /* ignore this instruction */
496 if (is_unknown(value)) {
497 eop->type = EOT_DB_NUMBER;
498 eop->offset = 0; /* doesn't matter what we put */
499 eop->segment = eop->wrt = NO_SEG; /* likewise */
500 } else if (is_reloc(value)) {
501 eop->type = EOT_DB_NUMBER;
502 eop->offset = reloc_value(value);
503 eop->segment = reloc_seg(value);
504 eop->wrt = reloc_wrt(value);
507 "operand %d: expression is not simple"
508 " or relocatable", oper_num);
513 * We're about to call stdscan(), which will eat the
514 * comma that we're currently sitting on between
515 * arguments. However, we'd better check first that it
518 if (i == 0) /* also could be EOL */
521 error(ERR_NONFATAL, "comma expected after operand %d",
523 result->opcode = -1; /* unrecoverable parse error: */
524 return result; /* ignore this instruction */
528 if (result->opcode == I_INCBIN) {
530 * Correct syntax for INCBIN is that there should be
531 * one string operand, followed by one or two numeric
534 if (!result->eops || result->eops->type != EOT_DB_STRING)
535 error(ERR_NONFATAL, "`incbin' expects a file name");
536 else if (result->eops->next &&
537 result->eops->next->type != EOT_DB_NUMBER)
538 error(ERR_NONFATAL, "`incbin': second parameter is",
540 else if (result->eops->next && result->eops->next->next &&
541 result->eops->next->next->type != EOT_DB_NUMBER)
542 error(ERR_NONFATAL, "`incbin': third parameter is",
544 else if (result->eops->next && result->eops->next->next &&
545 result->eops->next->next->next)
547 "`incbin': more than three parameters");
551 * If we reach here, one of the above errors happened.
552 * Throw the instruction away.
556 } else /* DB ... */ if (oper_num == 0)
557 error(ERR_WARNING | ERR_PASS1,
558 "no operand for data declaration");
560 result->operands = oper_num;
565 /* right. Now we begin to parse the operands. There may be up to four
566 * of these, separated by commas, and terminated by a zero token. */
568 for (operand = 0; operand < MAX_OPERANDS; operand++) {
569 expr *value; /* used most of the time */
570 int mref; /* is this going to be a memory ref? */
571 int bracket; /* is it a [] mref, or a & mref? */
574 result->oprs[operand].disp_size = 0; /* have to zero this whatever */
575 result->oprs[operand].eaflags = 0; /* and this */
576 result->oprs[operand].opflags = 0;
578 i = stdscan(NULL, &tokval);
580 break; /* end of operands: get out of here */
581 else if (first && i == ':') {
582 insn_is_label = true;
586 result->oprs[operand].type = 0; /* so far, no override */
587 while (i == TOKEN_SPECIAL) { /* size specifiers */
588 switch ((int)tokval.t_integer) {
590 if (!setsize) /* we want to use only the first */
591 result->oprs[operand].type |= BITS8;
596 result->oprs[operand].type |= BITS16;
602 result->oprs[operand].type |= BITS32;
607 result->oprs[operand].type |= BITS64;
612 result->oprs[operand].type |= BITS80;
617 result->oprs[operand].type |= BITS128;
622 result->oprs[operand].type |= BITS256;
626 result->oprs[operand].type |= TO;
629 result->oprs[operand].type |= STRICT;
632 result->oprs[operand].type |= FAR;
635 result->oprs[operand].type |= NEAR;
638 result->oprs[operand].type |= SHORT;
641 error(ERR_NONFATAL, "invalid operand size specification");
643 i = stdscan(NULL, &tokval);
646 if (i == '[' || i == '&') { /* memory reference */
648 bracket = (i == '[');
649 i = stdscan(NULL, &tokval); /* then skip the colon */
650 while (i == TOKEN_SPECIAL || i == TOKEN_PREFIX) {
651 process_size_override(result, operand);
652 i = stdscan(NULL, &tokval);
654 } else { /* immediate operand, or register */
656 bracket = false; /* placate optimisers */
659 if ((result->oprs[operand].type & FAR) && !mref &&
660 result->opcode != I_JMP && result->opcode != I_CALL) {
661 error(ERR_NONFATAL, "invalid use of FAR operand specifier");
664 value = evaluate(stdscan, NULL, &tokval,
665 &result->oprs[operand].opflags,
666 critical, error, &hints);
668 if (result->oprs[operand].opflags & OPFLAG_FORWARD) {
669 result->forw_ref = true;
671 if (!value) { /* error in evaluator */
672 result->opcode = -1; /* unrecoverable parse error: */
673 return result; /* ignore this instruction */
675 if (i == ':' && mref) { /* it was seg:offset */
677 * Process the segment override.
679 if (value[1].type != 0 || value->value != 1 ||
680 REG_SREG & ~nasm_reg_flags[value->type])
681 error(ERR_NONFATAL, "invalid segment override");
682 else if (result->prefixes[PPS_SEG])
684 "instruction has conflicting segment overrides");
686 result->prefixes[PPS_SEG] = value->type;
687 if (!(REG_FSGS & ~nasm_reg_flags[value->type]))
688 result->oprs[operand].eaflags |= EAF_FSGS;
691 i = stdscan(NULL, &tokval); /* then skip the colon */
692 while (i == TOKEN_SPECIAL || i == TOKEN_PREFIX) {
693 process_size_override(result, operand);
694 i = stdscan(NULL, &tokval);
696 value = evaluate(stdscan, NULL, &tokval,
697 &result->oprs[operand].opflags,
698 critical, error, &hints);
700 if (result->oprs[operand].opflags & OPFLAG_FORWARD) {
701 result->forw_ref = true;
703 /* and get the offset */
704 if (!value) { /* but, error in evaluator */
705 result->opcode = -1; /* unrecoverable parse error: */
706 return result; /* ignore this instruction */
711 if (mref && bracket) { /* find ] at the end */
713 error(ERR_NONFATAL, "parser: expecting ]");
715 } else { /* we got the required ] */
716 i = stdscan(NULL, &tokval);
717 if (i != 0 && i != ',') {
718 error(ERR_NONFATAL, "comma or end of line expected");
722 } else { /* immediate operand */
723 if (i != 0 && i != ',' && i != ':') {
724 error(ERR_NONFATAL, "comma, colon or end of line expected");
726 } else if (i == ':') {
727 result->oprs[operand].type |= COLON;
731 do { /* error recovery */
732 i = stdscan(NULL, &tokval);
733 } while (i != 0 && i != ',');
736 /* now convert the exprs returned from evaluate() into operand
739 if (mref) { /* it's a memory reference */
741 int b, i, s; /* basereg, indexreg, scale */
742 int64_t o; /* offset */
744 b = i = -1, o = s = 0;
745 result->oprs[operand].hintbase = hints.base;
746 result->oprs[operand].hinttype = hints.type;
748 if (e->type && e->type <= EXPR_REG_END) { /* this bit's a register */
749 if (e->value == 1) /* in fact it can be basereg */
751 else /* no, it has to be indexreg */
752 i = e->type, s = e->value;
755 if (e->type && e->type <= EXPR_REG_END) { /* it's a 2nd register */
756 if (b != -1) /* If the first was the base, ... */
757 i = e->type, s = e->value; /* second has to be indexreg */
759 else if (e->value != 1) { /* If both want to be index */
761 "beroset-p-592-invalid effective address");
768 if (e->type != 0) { /* is there an offset? */
769 if (e->type <= EXPR_REG_END) { /* in fact, is there an error? */
771 "beroset-p-603-invalid effective address");
775 if (e->type == EXPR_UNKNOWN) {
776 result->oprs[operand].opflags |= OPFLAG_UNKNOWN;
777 o = 0; /* doesn't matter what */
778 result->oprs[operand].wrt = NO_SEG; /* nor this */
779 result->oprs[operand].segment = NO_SEG; /* or this */
781 e++; /* go to the end of the line */
783 if (e->type == EXPR_SIMPLE) {
787 if (e->type == EXPR_WRT) {
788 result->oprs[operand].wrt = e->value;
791 result->oprs[operand].wrt = NO_SEG;
793 * Look for a segment base type.
795 if (e->type && e->type < EXPR_SEGBASE) {
797 "beroset-p-630-invalid effective address");
801 while (e->type && e->value == 0)
803 if (e->type && e->value != 1) {
805 "beroset-p-637-invalid effective address");
810 result->oprs[operand].segment =
811 e->type - EXPR_SEGBASE;
814 result->oprs[operand].segment = NO_SEG;
815 while (e->type && e->value == 0)
819 "beroset-p-650-invalid effective address");
827 result->oprs[operand].wrt = NO_SEG;
828 result->oprs[operand].segment = NO_SEG;
831 if (e->type != 0) { /* there'd better be nothing left! */
833 "beroset-p-663-invalid effective address");
838 /* It is memory, but it can match any r/m operand */
839 result->oprs[operand].type |= MEMORY_ANY;
841 if (b == -1 && (i == -1 || s == 0)) {
842 int is_rel = globalbits == 64 &&
843 !(result->oprs[operand].eaflags & EAF_ABS) &&
845 !(result->oprs[operand].eaflags & EAF_FSGS)) ||
846 (result->oprs[operand].eaflags & EAF_REL));
848 result->oprs[operand].type |= is_rel ? IP_REL : MEM_OFFS;
850 result->oprs[operand].basereg = b;
851 result->oprs[operand].indexreg = i;
852 result->oprs[operand].scale = s;
853 result->oprs[operand].offset = o;
854 } else { /* it's not a memory reference */
855 if (is_just_unknown(value)) { /* it's immediate but unknown */
856 result->oprs[operand].type |= IMMEDIATE;
857 result->oprs[operand].opflags |= OPFLAG_UNKNOWN;
858 result->oprs[operand].offset = 0; /* don't care */
859 result->oprs[operand].segment = NO_SEG; /* don't care again */
860 result->oprs[operand].wrt = NO_SEG; /* still don't care */
862 if(optimizing >= 0 && !(result->oprs[operand].type & STRICT))
865 result->oprs[operand].type |= SBYTE16 | SBYTE32 | SBYTE64;
867 } else if (is_reloc(value)) { /* it's immediate */
868 result->oprs[operand].type |= IMMEDIATE;
869 result->oprs[operand].offset = reloc_value(value);
870 result->oprs[operand].segment = reloc_seg(value);
871 result->oprs[operand].wrt = reloc_wrt(value);
872 if (is_simple(value)) {
873 if (reloc_value(value) == 1)
874 result->oprs[operand].type |= UNITY;
875 if (optimizing >= 0 &&
876 !(result->oprs[operand].type & STRICT)) {
877 int64_t v64 = reloc_value(value);
878 int32_t v32 = (int32_t)v64;
879 int16_t v16 = (int16_t)v32;
881 if (v64 >= -128 && v64 <= 127)
882 result->oprs[operand].type |= SBYTE64;
883 if (v32 >= -128 && v32 <= 127)
884 result->oprs[operand].type |= SBYTE32;
885 if (v16 >= -128 && v16 <= 127)
886 result->oprs[operand].type |= SBYTE16;
889 } else { /* it's a register */
892 if (value->type >= EXPR_SIMPLE || value->value != 1) {
893 error(ERR_NONFATAL, "invalid operand type");
899 * check that its only 1 register, not an expression...
901 for (i = 1; value[i].type; i++)
902 if (value[i].value) {
903 error(ERR_NONFATAL, "invalid operand type");
908 /* clear overrides, except TO which applies to FPU regs */
909 if (result->oprs[operand].type & ~TO) {
911 * we want to produce a warning iff the specified size
912 * is different from the register size
914 rs = result->oprs[operand].type & SIZE_MASK;
918 result->oprs[operand].type &= TO;
919 result->oprs[operand].type |= REGISTER;
920 result->oprs[operand].type |= nasm_reg_flags[value->type];
921 result->oprs[operand].basereg = value->type;
923 if (rs && (result->oprs[operand].type & SIZE_MASK) != rs)
924 error(ERR_WARNING | ERR_PASS1,
925 "register size specification ignored");
930 result->operands = operand; /* set operand count */
932 /* clear remaining operands */
933 while (operand < MAX_OPERANDS)
934 result->oprs[operand++].type = 0;
937 * Transform RESW, RESD, RESQ, REST, RESO, RESY into RESB.
939 switch (result->opcode) {
941 result->opcode = I_RESB;
942 result->oprs[0].offset *= 2;
945 result->opcode = I_RESB;
946 result->oprs[0].offset *= 4;
949 result->opcode = I_RESB;
950 result->oprs[0].offset *= 8;
953 result->opcode = I_RESB;
954 result->oprs[0].offset *= 10;
957 result->opcode = I_RESB;
958 result->oprs[0].offset *= 16;
961 result->opcode = I_RESB;
962 result->oprs[0].offset *= 32;
971 static int is_comma_next(void)
978 i = stdscan(NULL, &tv);
980 return (i == ',' || i == ';' || !i);
983 void cleanup_insn(insn * i)
987 while ((e = i->eops)) {
989 if (e->type == EOT_DB_STRING_FREE)
990 nasm_free(e->stringval);