p->no = 0;
p->token = GREP_PATTERN_HEAD;
p->field = field;
- *opt->pattern_tail = p;
- opt->pattern_tail = &p->next;
+ *opt->header_tail = p;
+ opt->header_tail = &p->next;
p->next = NULL;
}
void compile_grep_patterns(struct grep_opt *opt)
{
struct grep_pat *p;
-
- if (opt->all_match)
- opt->extended = 1;
+ struct grep_expr *header_expr = NULL;
+
+ if (opt->header_list) {
+ p = opt->header_list;
+ header_expr = compile_pattern_expr(&p);
+ if (p)
+ die("incomplete pattern expression: %s", p->pattern);
+ for (p = opt->header_list; p; p = p->next) {
+ switch (p->token) {
+ case GREP_PATTERN: /* atom */
+ case GREP_PATTERN_HEAD:
+ case GREP_PATTERN_BODY:
+ compile_regexp(p, opt);
+ break;
+ default:
+ opt->extended = 1;
+ break;
+ }
+ }
+ }
for (p = opt->pattern_list; p; p = p->next) {
switch (p->token) {
}
}
- if (!opt->extended)
+ if (opt->all_match || header_expr)
+ opt->extended = 1;
+ else if (!opt->extended)
return;
/* Then bundle them up in an expression.
opt->pattern_expression = compile_pattern_expr(&p);
if (p)
die("incomplete pattern expression: %s", p->pattern);
+
+ if (!header_expr)
+ return;
+
+ if (opt->pattern_expression) {
+ struct grep_expr *z;
+ z = xcalloc(1, sizeof(*z));
+ z->node = GREP_NODE_OR;
+ z->u.binary.left = opt->pattern_expression;
+ z->u.binary.right = header_expr;
+ opt->pattern_expression = z;
+ } else {
+ opt->pattern_expression = header_expr;
+ }
+ opt->all_match = 1;
}
static void free_pattern_expr(struct grep_expr *x)
const char *name, unsigned lno, char sign)
{
int rest = eol - bol;
+ char *line_color = NULL;
if (opt->pre_context || opt->post_context) {
if (opt->last_shown == 0) {
if (opt->show_hunk_mark) {
output_color(opt, "--", 2, opt->color_sep);
opt->output(opt, "\n", 1);
- } else
- opt->show_hunk_mark = 1;
+ }
} else if (lno > opt->last_shown + 1) {
output_color(opt, "--", 2, opt->color_sep);
opt->output(opt, "\n", 1);
int ch = *eol;
int eflags = 0;
+ if (sign == ':')
+ line_color = opt->color_selected;
+ else if (sign == '-')
+ line_color = opt->color_context;
+ else if (sign == '=')
+ line_color = opt->color_function;
*eol = '\0';
while (next_match(opt, bol, eol, ctx, &match, eflags)) {
if (match.rm_so == match.rm_eo)
break;
- opt->output(opt, bol, match.rm_so);
+ output_color(opt, bol, match.rm_so, line_color);
output_color(opt, bol + match.rm_so,
match.rm_eo - match.rm_so,
opt->color_match);
}
*eol = ch;
}
- opt->output(opt, bol, rest);
+ output_color(opt, bol, rest, line_color);
opt->output(opt, "\n", 1);
}
!opt->name_only)
return 0;
- /* If we are showing hunk marks, we should not do it for the
- * first match. The synchronization problem we get for this
- * constraint is not yet solved, so we disable threading in
- * this case.
- */
- if (opt->pre_context || opt->post_context)
- return 0;
-
return 1;
}
enum grep_context ctx = GREP_CONTEXT_HEAD;
xdemitconf_t xecfg;
- opt->last_shown = 0;
-
if (!opt->output)
opt->output = std_output;
+ if (opt->last_shown && (opt->pre_context || opt->post_context) &&
+ opt->output == std_output)
+ opt->show_hunk_mark = 1;
+ opt->last_shown = 0;
+
if (buffer_is_binary(buf, size)) {
switch (opt->binary) {
case GREP_BINARY_DEFAULT: