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| author | Arnold D. Robbins <arnold@skeeve.com> | 2017-05-22 06:20:04 +0300 |
|---|---|---|
| committer | Arnold D. Robbins <arnold@skeeve.com> | 2017-05-22 06:20:04 +0300 |
| commit | 394c705100366ecea5518ce9cfa0330d495f41b3 (patch) | |
| tree | 29b216ff6c9d83cfd45e17dae8e6075f5d75a6f2 /support/dfa.c | |
| parent | 0f9d4355a03d000938d87d71ba62f0ac2717334a (diff) | |
| download | egawk-394c705100366ecea5518ce9cfa0330d495f41b3.tar.gz egawk-394c705100366ecea5518ce9cfa0330d495f41b3.tar.bz2 egawk-394c705100366ecea5518ce9cfa0330d495f41b3.zip | |
Update some support files from GNULIB.
Diffstat (limited to 'support/dfa.c')
| -rw-r--r-- | support/dfa.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/support/dfa.c b/support/dfa.c index 2003ac55..18c17a5d 100644 --- a/support/dfa.c +++ b/support/dfa.c @@ -72,6 +72,14 @@ isasciidigit (char c) #include "xalloc.h" #include "localeinfo.h" +#ifndef FALLTHROUGH +# if __GNUC__ < 7 +# define FALLTHROUGH ((void) 0) +# else +# define FALLTHROUGH __attribute__ ((__fallthrough__)) +# endif +#endif + #ifndef MIN # define MIN(a,b) ((a) < (b) ? (a) : (b)) #endif @@ -1661,10 +1669,10 @@ addtok_mb (struct dfa *dfa, token t, char mbprop) case BACKREF: dfa->fast = false; - /* fallthrough */ + FALLTHROUGH; default: dfa->nleaves++; - /* fallthrough */ + FALLTHROUGH; case EMPTY: dfa->parse.depth++; break; @@ -2461,8 +2469,7 @@ dfaanalyze (struct dfa *d, bool searchflag) copy (&merged, &d->follows[pos[j].index]); } } - /* fallthrough */ - + FALLTHROUGH; case QMARK: /* A QMARK or STAR node is automatically nullable. */ if (d->tokens[i] != PLUS) @@ -2752,13 +2759,13 @@ build_state (state_num s, struct dfa *d, unsigned char uc) else if (d->tokens[pos.index] >= CSET) { matches = d->charclasses[d->tokens[pos.index] - CSET]; - if (tstbit (uc, &d->charclasses[d->tokens[pos.index] - CSET])) + if (tstbit (uc, &matches)) matched = true; } else if (d->tokens[pos.index] == ANYCHAR) { matches = d->charclasses[d->canychar]; - if (tstbit (uc, &d->charclasses[d->canychar])) + if (tstbit (uc, &matches)) matched = true; /* ANYCHAR must match with a single character, so we must put @@ -3378,8 +3385,7 @@ dfa_supported (struct dfa const *d) case NOTLIMWORD: if (!d->localeinfo.multibyte) continue; - /* fallthrough */ - + FALLTHROUGH; case BACKREF: case MBCSET: return false; @@ -3488,7 +3494,7 @@ dfassbuild (struct dfa *d) sup->tokens[j++] = EMPTY; break; } - /* fallthrough */ + FALLTHROUGH; default: sup->tokens[j++] = d->tokens[i]; if ((0 <= d->tokens[i] && d->tokens[i] < NOTCHAR) |