diff options
Diffstat (limited to 'shared/readline/readline.c')
| -rw-r--r-- | shared/readline/readline.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/shared/readline/readline.c b/shared/readline/readline.c index cad85b4e6..915bcda84 100644 --- a/shared/readline/readline.c +++ b/shared/readline/readline.c @@ -222,7 +222,22 @@ int readline_process_char(int c) { } else if (c == 9) { // tab magic const char *compl_str; - size_t compl_len = mp_repl_autocomplete(rl.line->buf + rl.orig_line_len, rl.cursor_pos - rl.orig_line_len, &mp_plat_print, &compl_str); + size_t compl_len; + if (vstr_len(rl.line) != 0 && unichar_isspace(vstr_str(rl.line)[rl.cursor_pos - 1])) { + // expand tab to 4 spaces if it follows whitespace: + // - includes the case of additional indenting + // - includes the case of indenting the start of a line that's not the first line, + // because a newline will be the previous character + // - doesn't include the case when at the start of the first line, because we still + // want to use auto-complete there + compl_str = " "; + compl_len = 4; + } else { + // try to auto-complete a word + const char *cur_line_buf = vstr_str(rl.line) + rl.orig_line_len; + size_t cur_line_len = rl.cursor_pos - rl.orig_line_len; + compl_len = mp_repl_autocomplete(cur_line_buf, cur_line_len, &mp_plat_print, &compl_str); + } if (compl_len == 0) { // no match } else if (compl_len == (size_t)(-1)) { |