Mercurial > vim
changeset 34076:21fc3f1676be v9.1.0007
patch 9.1.0007: can select empty inner text blocks
Commit: https://github.com/vim/vim/commit/ad4d7f446dc6754bde212234d46f4849b520b6e0
Author: Christian Brabandt <cb@256bit.org>
Date: Thu Jan 4 21:43:36 2024 +0100
patch 9.1.0007: can select empty inner text blocks
Problem: can select empty inner text blocks
(laurentalacoque)
Solution: make selecting empty inner text blocks an error
textobjects: Make selecting inner empty blocks an error
fixes: #13514
closes: #13523
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Thu, 04 Jan 2024 22:15:02 +0100 |
parents | 2cad408693c4 |
children | 314961fb5918 |
files | runtime/doc/motion.txt src/testdir/test_textobjects.vim src/textobject.c src/version.c |
diffstat | 4 files changed, 127 insertions(+), 8 deletions(-) [+] |
line wrap: on
line diff
--- a/runtime/doc/motion.txt +++ b/runtime/doc/motion.txt @@ -600,7 +600,8 @@ i] *v_i]* *v_i[* *i]* *i[* i[ "inner [] block", select [count] '[' ']' blocks. This goes backwards to the [count] unclosed '[', and finds the matching ']'. The enclosed text is selected, - excluding the '[' and ']'. The |cpo-M| option flag + excluding the '[' and ']'. It's an error to select an + empty inner block like "[]". The |cpo-M| option flag is used to handle escaped brackets. When used in Visual mode it is made characterwise. @@ -618,7 +619,8 @@ i( *vib* *v_ib* *v_i(* *ib* ib "inner block", select [count] blocks, from "[count] [(" to the matching ')', excluding the '(' and ')' (see |[(|). If the cursor is not inside a () block, then - find the next "(". The |cpo-M| option flag + find the next "(". It's an error to select an empty + inner block like "()". The |cpo-M| option flag is used to handle escaped parenthesis. When used in Visual mode it is made characterwise. @@ -632,8 +634,9 @@ a< "a <> block", select [count] <> blo i> *v_i>* *v_i<* *i>* *i<* i< "inner <> block", select [count] <> blocks, from the [count]'th unmatched '<' backwards to the matching - '>', excluding the '<' and '>'. The |cpo-M| option flag - is used to handle escaped '<' and '>'. + '>', excluding the '<' and '>'. It's an error to + select an empty inner block like "<>". The |cpo-M| + option flag is used to handle escaped '<' and '>'. When used in Visual mode it is made characterwise. *v_at* *at* @@ -663,7 +666,8 @@ i} *v_i}* *i}* *i{* i{ *v_iB* *v_i{* *iB* iB "inner Block", select [count] Blocks, from "[count] [{" to the matching '}', excluding the '{' and '}' (see - |[{|). The |cpo-M| option flag is used to handle + |[{|). It's an error to select an empty inner block + like "{}". The |cpo-M| option flag is used to handle escaped braces. When used in Visual mode it is made characterwise.
--- a/src/testdir/test_textobjects.vim +++ b/src/testdir/test_textobjects.vim @@ -400,7 +400,7 @@ func Test_paragraph() call assert_beeps("normal Vipip") exe "normal \<C-C>" - close! + bw! endfunc " Tests for text object aw @@ -606,7 +606,7 @@ func Test_textobj_quote() normal $hhyi" call assert_equal('bar', @") - close! + bw! endfunc " Test for i(, i<, etc. when cursor is in front of a block @@ -638,7 +638,115 @@ func Test_textobj_find_paren_forward() normal 0di) call assert_equal('foo ()', getline(1)) - close! + bw! +endfunc + +func Test_inner_block_empty_paren() + new + call setline(1, ["(text)()", "", "(text)(", ")", "", "()()"]) + + " Example 1 + call cursor(1, 1) + let @" = '' + call assert_beeps(':call feedkeys("0f(viby","xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('(', @") + + " Example 2 + call cursor(3, 1) + let @" = '' + call assert_beeps('call feedkeys("0f(viby", "xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('(', @") + + " Example 3 + call cursor(6, 1) + let @" = '' + call assert_beeps('call feedkeys("0f(viby", "xt")') + call assert_equal(3, getpos('.')[2]) + call assert_equal('(', @") + bwipe! +endfunc + +func Test_inner_block_empty_bracket() + new + call setline(1, ["[text][]", "", "[text][", "]", "", "[][]"]) + + " Example 1 + call cursor(1, 1) + let @" = '' + call assert_beeps(':call feedkeys("0f[viby","xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('[', @") + + " Example 2 + call cursor(3, 1) + let @" = '' + call assert_beeps('call feedkeys("0f[viby", "xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('[', @") + + " Example 3 + call cursor(6, 1) + let @" = '' + call assert_beeps('call feedkeys("0f[viby", "xt")') + call assert_equal(3, getpos('.')[2]) + call assert_equal('[', @") + bwipe! +endfunc + +func Test_inner_block_empty_brace() + new + call setline(1, ["{text}{}", "", "{text}{", "}", "", "{}{}"]) + + " Example 1 + call cursor(1, 1) + let @" = '' + call assert_beeps(':call feedkeys("0f{viby","xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('{', @") + + " Example 2 + call cursor(3, 1) + let @" = '' + call assert_beeps('call feedkeys("0f{viby", "xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('{', @") + + " Example 3 + call cursor(6, 1) + let @" = '' + call assert_beeps('call feedkeys("0f{viby", "xt")') + call assert_equal(3, getpos('.')[2]) + call assert_equal('{', @") + bwipe! +endfunc + +func Test_inner_block_empty_lessthan() + new + call setline(1, ["<text><>", "", "<text><", ">", "", "<><>"]) + + " Example 1 + call cursor(1, 1) + let @" = '' + call assert_beeps(':call feedkeys("0f<viby","xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('<', @") + + " Example 2 + call cursor(3, 1) + let @" = '' + call assert_beeps('call feedkeys("0f<viby", "xt")') + call assert_equal(7, getpos('.')[2]) + call assert_equal('<', @") + + " Example 3 + call cursor(6, 1) + let @" = '' + call assert_beeps('call feedkeys("0f<viby", "xt")') + call assert_equal(3, getpos('.')[2]) + call assert_equal('<', @") + bwipe! endfunc " vim: shiftwidth=2 sts=2 expandtab
--- a/src/textobject.c +++ b/src/textobject.c @@ -1131,6 +1131,11 @@ current_block( break; } + if (EQUAL_POS(start_pos, *end_pos)) + // empty block like this: () + // there is no inner block to select, abort + return FAIL; + /* * In Visual mode, when the resulting area is not bigger than what we * started with, extend it to the next block, and then exclude again.