Revision: 54879
http://brlcad.svn.sourceforge.net/brlcad/?rev=54879&view=rev
Author: brlcad
Date: 2013-03-26 15:15:17 +0000 (Tue, 26 Mar 2013)
Log Message:
-----------
looks like a stack size of 0 means grow dynamically on the heap instead of
static allocation. array is going to be faster, but it's more critical to not
hit a compile-time limit. by default, grow the dynamic allocation from 256 in
powers of two.
Modified Paths:
--------------
brlcad/trunk/src/other/step/src/express/expparse.y
brlcad/trunk/src/other/step/src/express/generated/expparse.c
Modified: brlcad/trunk/src/other/step/src/express/expparse.y
===================================================================
--- brlcad/trunk/src/other/step/src/express/expparse.y 2013-03-26 15:01:46 UTC
(rev 54878)
+++ brlcad/trunk/src/other/step/src/express/expparse.y 2013-03-26 15:15:17 UTC
(rev 54879)
@@ -2466,7 +2466,7 @@
fprintf(stderr, "Last token (type %d) had value %x\n", yymajor,
yyminor.yy0.val);
}
-%stack_size 200
+%stack_size 0
%stack_overflow {
fprintf(stderr, "Express parser experienced stack overflow.\n");
Modified: brlcad/trunk/src/other/step/src/express/generated/expparse.c
===================================================================
--- brlcad/trunk/src/other/step/src/express/generated/expparse.c
2013-03-26 15:01:46 UTC (rev 54878)
+++ brlcad/trunk/src/other/step/src/express/generated/expparse.c
2013-03-26 15:15:17 UTC (rev 54879)
@@ -291,7 +291,7 @@
Statement yy522;
} YYMINORTYPE;
#ifndef YYSTACKDEPTH
-#define YYSTACKDEPTH 200
+#define YYSTACKDEPTH 0
#endif
#define ParseARG_SDECL parse_data_t parseData ;
#define ParseARG_PDECL , parse_data_t parseData
@@ -1582,7 +1582,7 @@
int newSize;
yyStackEntry *pNew;
- newSize = p->yystksz*2 + 100;
+ newSize = p->yystksz*2 + 256;
pNew = realloc(p->yystack, newSize*sizeof(pNew[0]));
if( pNew ){
p->yystack = pNew;
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