diff options
Diffstat (limited to 'generic/regguts.h')
| -rw-r--r-- | generic/regguts.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/generic/regguts.h b/generic/regguts.h index 7ed8ec1..72bdcb3 100644 --- a/generic/regguts.h +++ b/generic/regguts.h @@ -307,9 +307,6 @@ struct nfa { struct colormap *cm; /* the color map */ color bos[2]; /* colors, if any, assigned to BOS and BOL */ color eos[2]; /* colors, if any, assigned to EOS and EOL */ - size_t size; /* Current NFA size; differs from nstates as - * it also counts the number of states created - * by children of this state. */ struct vars *v; /* simplifies compile error reporting */ struct nfa *parent; /* parent NFA, if any */ }; @@ -339,11 +336,16 @@ struct cnfa { #define NULLCNFA(cnfa) ((cnfa).nstates == 0) /* - * Used to limit the maximum NFA size to something sane. [Bug 1810264] + * This symbol limits the transient heap space used by the regex compiler, + * and thereby also the maximum complexity of NFAs that we'll deal with. + * Currently we only count NFA states and arcs against this; the other + * transient data is generally not large enough to notice compared to those. + * Note that we do not charge anything for the final output data structures + * (the compacted NFA and the colormap). */ - -#ifndef REG_MAX_STATES -# define REG_MAX_STATES 100000 +#ifndef REG_MAX_COMPILE_SPACE +#define REG_MAX_COMPILE_SPACE \ + (100000 * sizeof(struct state) + 100000 * sizeof(struct arcbatch)) #endif /* |