Show 88 quoted lines
> +{
> + char *eon;
> +
> + p->u.lno = strtoul(p->pattern, &eon, 10);
> + if (*eon || p->u.lno == 0)
> + die("'%s': Invalid number for line match", p->pattern);
> +}
> +
> static struct grep_expr *compile_pattern_or(struct grep_pat **);
> static struct grep_expr *compile_pattern_atom(struct grep_pat **list)
> {
> @@ -100,6 +109,7 @@ static struct grep_expr *compile_pattern_atom(struct grep_pat **list)
> case GREP_PATTERN: /* atom */
> case GREP_PATTERN_HEAD:
> case GREP_PATTERN_BODY:
> + case GREP_LNO:
> x = xcalloc(1, sizeof (struct grep_expr));
> x->node = GREP_NODE_ATOM;
> x->u.atom = p;
> @@ -264,6 +274,9 @@ void compile_grep_patterns(struct grep_opt *opt)
> case GREP_PATTERN_BODY:
> compile_regexp(p, opt);
> break;
> + case GREP_LNO:
> + parse_lno(p, opt);
> + break;
> default:
> opt->extended = 1;
> break;
> @@ -297,6 +310,7 @@ static void free_pattern_expr(struct grep_expr *x)
> switch (x->node) {
> case GREP_NODE_TRUE:
> case GREP_NODE_ATOM:
> + case GREP_NODE_LNO:
> break;
> case GREP_NODE_NOT:
> free_pattern_expr(x->u.unary);
> @@ -436,6 +450,21 @@ static struct {
> { "committer ", 10 },
> };
>
> +static int match_lno(struct grep_pat *p, char *bol, char *eol, unsigned lno,
> + regmatch_t *pmatch)
> +{
> + if (p->u.lno == lno) {
> + /*
> + * because coloring will stop at so == eo, match at the end
> + * of line, so that the whole line can be colored
> + */
> + pmatch->rm_so = eol - bol;
> + pmatch->rm_eo = eol - bol;
> + return 1;
> + }
> + return 0;
> +}
> +
> static int match_one_pattern(struct grep_pat *p, char *bol, char *eol,
> unsigned lno, enum grep_context ctx,
> regmatch_t *pmatch, int eflags)
> @@ -444,6 +473,9 @@ static int match_one_pattern(struct grep_pat *p, char *bol, char *eol,
> int saved_ch = 0;
> const char *start = bol;
>
> + if (p->token == GREP_LNO)
> + return match_lno(p, bol, eol, lno, pmatch);
> +
> if ((p->token != GREP_PATTERN) &&
> ((p->token == GREP_PATTERN_HEAD) != (ctx == GREP_CONTEXT_HEAD)))
> return 0;
> @@ -614,6 +646,7 @@ static int next_match(struct grep_opt *opt, char *bol, char *eol, unsigned lno,
> case GREP_PATTERN: /* atom */
> case GREP_PATTERN_HEAD:
> case GREP_PATTERN_BODY:
> + case GREP_LNO:
> hit |= match_next_pattern(p, bol, eol, lno, ctx,
> pmatch, eflags);
> break;
> diff --git a/grep.h b/grep.h
> index 9912c11..41821f3 100644
> --- a/grep.h
> +++ b/grep.h
> @@ -10,7 +10,8 @@ enum grep_pat_token {
> GREP_OPEN_PAREN,
> GREP_CLOSE_PAREN,
> GREP_NOT,
> - GREP_OR
> + GREP_OR,
> + GREP_LNOShow 29 quoted lines
> };
>
> enum grep_context {
> @@ -34,6 +35,7 @@ struct grep_pat {
> enum grep_header_field field;
> union {
> regex_t regexp;
> + unsigned lno;
> } u;
> unsigned fixed:1;
> unsigned ignore_case:1;
> @@ -45,7 +47,8 @@ enum grep_expr_node {
> GREP_NODE_NOT,
> GREP_NODE_AND,
> GREP_NODE_TRUE,
> - GREP_NODE_OR
> + GREP_NODE_OR,
> + GREP_NODE_LNO
> };
>
> struct grep_expr {
> --
> 1.7.5.349.gfeb1a
>
> --
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