112 lines
2.3 KiB
C
112 lines
2.3 KiB
C
/************************************************************
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yympush.c
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This file can be freely modified for the generation of
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custom code.
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Copyright (c) 1999 Bumble-Bee Software Ltd.
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************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include "myacc.h"
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#ifdef YYPROTOTYPE
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int YYCDECL yympush(yymparse_t YYFAR *yy, yystack_t state)
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#else
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int YYCDECL yympush(yy, state)
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yymparse_t YYFAR *yy;
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yystack_t state;
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#endif
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{
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yyassert(yy != NULL);
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yy->yymtop++; /* increment first */
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if (yy->yymtop == yy->yymstack_size) {
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do {
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if (yy->yymstackgrow) {
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if (yy->yymstack_size != 0) {
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int size = yy->yymstack_size * 2;
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if (size / 2 == yy->yymstack_size) { /* overflow check */
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if (yymsetstacksize(yy, size)) {
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break;
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}
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}
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}
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else {
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if (yymsetstacksize(yy, 100)) {
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break;
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}
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}
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}
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yy->yymtop--;
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/* debugging */
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#ifdef YYDEBUG
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if (yydebug || yy->yymdebug) {
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char string[128];
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sprintf(string, "%p: stack overflow\n", (void *) yy);
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yymparsedebugoutput(yy, string);
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}
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#endif
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(*yy->yymstackoverflow)(yy);
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return 0;
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}
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while (0);
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}
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yy->yymstackptr[yy->yymtop] = state;
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/* debugging */
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#ifdef YYDEBUG
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if (yydebug || yy->yymdebug) {
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char string[128];
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sprintf(string, "%p: push state %d", (void *) yy, (int) state);
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yymparsedebugoutput(yy, string);
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if (yy->yymtop > 0) {
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sprintf(string, " covering state %d",
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(int) yy->yymstackptr[yy->yymtop - 1]);
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yymparsedebugoutput(yy, string);
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}
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yymparsedebugoutput(yy, "\n");
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/* output stack contents */
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if (yydebugstack || yy->yymdebugstack) {
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int rows;
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int i;
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int n;
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yymparsedebugoutput(yy, "\nstack");
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n = sprintf(string, "\n +");
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for (i = 0; i < 10; i++) {
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n += sprintf(&string[n], " %5d", (int) i);
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}
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yymparsedebugoutput(yy, string);
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rows = 1;
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if (yy->yymtop >= 0) {
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rows += yy->yymtop / 10;
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}
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for (i = 0; i < rows; i++) {
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int j;
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n = sprintf(string, "\n %5d", (int) (10 * i));
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for (j = 0; j < 10; j++) {
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int index = 10 * i + j;
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if (index <= yy->yymtop) {
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n += sprintf(&string[n], " %5d", (int) yy->yymstackptr[index]);
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}
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else {
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n += sprintf(&string[n], " -");
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}
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}
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yymparsedebugoutput(yy, string);
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}
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yymparsedebugoutput(yy, "\n\n");
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}
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}
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#endif
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return 1;
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}
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