diff options
Diffstat (limited to 'extmod/re1.5/compilecode.c')
| -rw-r--r-- | extmod/re1.5/compilecode.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/extmod/re1.5/compilecode.c b/extmod/re1.5/compilecode.c index 5b5d28c2a0..a7942b1216 100644 --- a/extmod/re1.5/compilecode.c +++ b/extmod/re1.5/compilecode.c @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -#include "regexp.h" +#include "re1.5.h" static void insert_code(char *code, int at, int num, int *pc) { @@ -45,6 +45,18 @@ int re1_5_sizecode(const char *re) break; case ')': break; + case '[': { + pc += 2; + re++; + while (*re != ']') { + if (!*re) return -1; + if (re[1] == '-') { + re += 2; + } + pc += 2; + re++; + } + } } } @@ -76,6 +88,24 @@ const char *_compilecode(const char *re, ByteProg *prog) EMIT(pc++, Any); prog->len++; break; + case '[': { + int cnt; + term = pc; + EMIT(pc++, Class); + pc++; // Skip # of pair byte + prog->len++; + re++; + for (cnt = 0; *re != ']'; re++, cnt++) { + if (!*re) return NULL; + EMIT(pc++, *re); + if (re[1] == '-') { + re += 2; + } + EMIT(pc++, *re); + } + EMIT(term + 1, cnt); + break; + } case '(': term = pc; |