diff options
Diffstat (limited to 'grep.c')
| -rw-r--r-- | grep.c | 22 |
1 files changed, 19 insertions, 3 deletions
@@ -699,6 +699,14 @@ static struct grep_expr *compile_pattern_expr(struct grep_pat **list) return compile_pattern_or(list); } +static struct grep_expr *grep_not_expr(struct grep_expr *expr) +{ + struct grep_expr *z = xcalloc(1, sizeof(*z)); + z->node = GREP_NODE_NOT; + z->u.unary = expr; + return z; +} + static struct grep_expr *grep_true_expr(void) { struct grep_expr *z = xcalloc(1, sizeof(*z)); @@ -797,7 +805,7 @@ void compile_grep_patterns(struct grep_opt *opt) } } - if (opt->all_match || header_expr) + if (opt->all_match || opt->no_body_match || header_expr) opt->extended = 1; else if (!opt->extended) return; @@ -808,6 +816,9 @@ void compile_grep_patterns(struct grep_opt *opt) if (p) die("incomplete pattern expression: %s", p->pattern); + if (opt->no_body_match && opt->pattern_expression) + opt->pattern_expression = grep_not_expr(opt->pattern_expression); + if (!header_expr) return; @@ -1057,6 +1068,8 @@ static int match_expr_eval(struct grep_opt *opt, struct grep_expr *x, if (h && (*col < 0 || tmp.rm_so < *col)) *col = tmp.rm_so; } + if (x->u.atom->token == GREP_PATTERN_BODY) + opt->body_hit |= h; break; case GREP_NODE_NOT: /* @@ -1825,16 +1838,19 @@ int grep_source(struct grep_opt *opt, struct grep_source *gs) * we do not have to do the two-pass grep when we do not check * buffer-wide "all-match". */ - if (!opt->all_match) + if (!opt->all_match && !opt->no_body_match) return grep_source_1(opt, gs, 0); /* Otherwise the toplevel "or" terms hit a bit differently. * We first clear hit markers from them. */ clr_hit_marker(opt->pattern_expression); + opt->body_hit = 0; grep_source_1(opt, gs, 1); - if (!chk_hit_marker(opt->pattern_expression)) + if (opt->all_match && !chk_hit_marker(opt->pattern_expression)) + return 0; + if (opt->no_body_match && opt->body_hit) return 0; return grep_source_1(opt, gs, 0); |