emileclarkb/hammer
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

out-of-memory handling in LL(k), LR, and GLR backends

Browse source
This commit is contained in:
Sven M. Hallberg 2015-11-30 18:07:33 +01:00
parent 5996477a5e
commit d5f3e13309
3 changed files with 31 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/backends/glr.c
View file

@ -198,6 +198,16 @@ HParseResult *h_glr_parse(HAllocator* mm__, const HParser* parser, HInputStream*
HArena *arena = h_new_arena(mm__, 0); // will hold the results
HArena *tarena = h_new_arena(mm__, 0); // tmp, deleted after parse
// out-of-memory handling
jmp_buf except;
h_arena_set_except(arena, &except);
h_arena_set_except(tarena, &except);
if(setjmp(except)) {
h_delete_arena(arena);
h_delete_arena(tarena);
return NULL;
}
// allocate engine lists (will hold one engine per state)
// these are swapped each iteration
HSlist *engines = h_slist_new(tarena);