From 033fa3d5c65958a89fee155208ce8ac7f9049fcd Mon Sep 17 00:00:00 2001 From: Ron Yorston Date: Thu, 15 Apr 2021 12:02:11 +0100 Subject: vi: code shrink motion by paragraph Use a hand-coded loop to search for paragraph boundaries instead of calling char_search(). We were using a loop anyway to skip consecutive newlines. function old new delta do_cmd 4792 4752 -40 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-40) Total: -40 bytes Signed-off-by: Ron Yorston Signed-off-by: Denys Vlasenko --- editors/vi.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) (limited to 'editors') diff --git a/editors/vi.c b/editors/vi.c index f718972..d37357e 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -3636,21 +3636,24 @@ static void do_cmd(int c) break; case '{': // {- move backward paragraph case '}': // }- move forward paragraph + dir = c == '}' ? FORWARD : BACK; do { - dir = c == '}' ? FORWARD : BACK; - // skip over consecutive empty lines - while ((dir == FORWARD ? dot < end - 1 : dot > text) && - *dot == '\n' && dot[dir] == '\n') { + int skip = TRUE; // initially skip consecutive empty lines + while (dir == FORWARD ? dot < end - 1 : dot > text) { + if (*dot == '\n' && dot[dir] == '\n') { + if (!skip) { + if (dir == FORWARD) + ++dot; // move to next blank line + goto dc2; + } + } + else { + skip = FALSE; + } dot += dir; } - q = char_search(dot, "\n\n", ((unsigned)dir << 1) | FULL); - if (q != NULL) { // found blank line - dot = next_line(q); // move to next blank line - } - else { // blank line not found, move to end of file - dot = dir == FORWARD ? end - 1 : text; - break; - } + goto dc6; // end of file + dc2: continue; } while (--cmdcnt > 0); break; #endif /* FEATURE_VI_SEARCH */ -- cgit v1.1