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vim-patch:8.0.1090: cannot get the text under the cursor like v:beval_text

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Problem:    cannot get the text under the cursor like v:beval_text
Solution:   Add <cexpr>.
65f084749b
This commit is contained in:
Jan Edmund Lazo 2018-08-17 17:14:25 -04:00
parent f53c95e7a8
commit 3d71366af1
3 changed files with 42 additions and 17 deletions
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5
runtime/doc/cmdline.txt
View File

@ -788,6 +788,11 @@ Also see |`=|.
Note: these are typed literally, they are not special keys!
<cword> is replaced with the word under the cursor (like |star|)
<cWORD> is replaced with the WORD under the cursor (see |WORD|)
<cexpr> is replaced with the word under the cursor, including more
to form a C expression. E.g., when the cursor is on "arg"
of "ptr->arg" then the result is "ptr->arg"; when the
cursor is on "]" of "list[idx]" then the result is
"list[idx]". This is used for |v:beval_text|.
<cfile> is replaced with the path name under the cursor (like what
|gf| uses)
<afile> When executing autocommands, is replaced with the file name

34
src/nvim/ex_docmd.c
View File

@ -8392,23 +8392,25 @@ ssize_t find_cmdline_var(const char_u *src, size_t *usedlen)
"%",
#define SPEC_PERC 0
"#",
#define SPEC_HASH 1
#define SPEC_HASH (SPEC_PERC + 1)
"<cword>", /* cursor word */
#define SPEC_CWORD 2
#define SPEC_CWORD (SPEC_HASH + 1)
"<cWORD>", /* cursor WORD */
#define SPEC_CCWORD 3
#define SPEC_CCWORD (SPEC_CWORD + 1)
"<cexpr>", // expr under cursor
#define SPEC_CEXPR (SPEC_CCWORD + 1)
"<cfile>", /* cursor path name */
#define SPEC_CFILE 4
#define SPEC_CFILE (SPEC_CEXPR + 1)
"<sfile>", /* ":so" file name */
#define SPEC_SFILE 5
#define SPEC_SFILE (SPEC_CFILE + 1)
"<slnum>", /* ":so" file line number */
#define SPEC_SLNUM 6
#define SPEC_SLNUM (SPEC_SFILE + 1)
"<afile>", /* autocommand file name */
# define SPEC_AFILE 7
#define SPEC_AFILE (SPEC_SLNUM + 1)
"<abuf>", /* autocommand buffer number */
# define SPEC_ABUF 8
#define SPEC_ABUF (SPEC_AFILE + 1)
"<amatch>", /* autocommand match name */
# define SPEC_AMATCH 9
#define SPEC_AMATCH (SPEC_ABUF + 1)
};
for (size_t i = 0; i < ARRAY_SIZE(spec_str); ++i) {
@ -8489,10 +8491,16 @@ eval_vars (
/*
* word or WORD under cursor
*/
if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD) {
resultlen = find_ident_under_cursor(&result, (spec_idx == SPEC_CWORD
? (FIND_IDENT|FIND_STRING)
: FIND_STRING));
if (spec_idx == SPEC_CWORD
|| spec_idx == SPEC_CCWORD
|| spec_idx == SPEC_CEXPR) {
resultlen = find_ident_under_cursor(
&result,
spec_idx == SPEC_CWORD
? (FIND_IDENT | FIND_STRING)
: (spec_idx == SPEC_CEXPR
? (FIND_IDENT | FIND_STRING | FIND_EVAL)
: FIND_STRING));
if (resultlen == 0) {
*errormsg = (char_u *)"";
return NULL;

20
src/nvim/testdir/test_normal.vim
View File

@ -392,10 +392,22 @@ func! Test_normal10_expand()
call setline(1, ['1', 'ifooar,,cbar'])
2
norm! $
let a=expand('<cword>')
let b=expand('<cWORD>')
call assert_equal('cbar', a)
call assert_equal('ifooar,,cbar', b)
call assert_equal('cbar', expand('<cword>'))
call assert_equal('ifooar,,cbar', expand('<cWORD>'))
call setline(1, ['prx = list[idx];'])
1
let expected = ['', 'prx', 'prx', 'prx',
\ 'list', 'list', 'list', 'list', 'list', 'list', 'list',
\ 'idx', 'idx', 'idx', 'idx',
\ 'list[idx]',
\ '];',
\ ]
for i in range(1, 16)
exe 'norm ' . i . '|'
call assert_equal(expected[i], expand('<cexpr>'), 'i == ' . i)
endfor
" clean up
bw!
endfunc