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Refactored all of the desugaring code to no longer depend on memory being initialized to 0. Everything is about 12% faster now.

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This commit is contained in:
Dan Hirsch 2013-05-25 03:35:42 +02:00
parent d71215d494
commit ec404ca8fe
36 changed files with 411 additions and 417 deletions
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14
src/desugar.c
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@ -1,10 +1,20 @@
#include "hammer.h"
#include "internal.h"
#include "backends/contextfree.h"
HCFChoice *h_desugar(HAllocator *mm__, const HParser *parser) {
HCFChoice *h_desugar(HAllocator *mm__, HCFStack *stk__, const HParser *parser) {
HCFStack *nstk__ = stk__;
if(parser->desugared == NULL) {
if (nstk__ == NULL) {
nstk__ = h_cfstack_new(mm__);
}
// we're going to do something naughty and cast away the const to memoize
((HParser *)parser)->desugared = parser->vtable->desugar(mm__, parser->env);
parser->vtable->desugar(mm__, nstk__, parser->env);
((HParser *)parser)->desugared = nstk__->last_completed;
if (stk__ == NULL)
h_cfstack_free(mm__, nstk__);
} else if (stk__ != NULL) {
HCFS_APPEND(parser->desugared);
}
return parser->desugared;