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vim-patch:8.2.0924: cannot save and restore a register properly

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Problem:    Cannot save and restore a register properly.
Solution:   Add getreginfo() and make setreg() accept a dictionary. (Andy
            Massimino, closes vim/vim#3370)
bb861e293e

Cherry-pick eval.txt changes for getreginfo() from:
6aa57295cf
207f009326
This commit is contained in:
Sean Dewar
2021-05-18 22:53:53 +01:00
parent 74ddd14241
commit f9779facca
9 changed files with 226 additions and 18 deletions
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39
runtime/doc/eval.txt
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@@ -2436,8 +2436,9 @@ getpos({expr}) List position of cursor, mark, etc.
getqflist() List list of quickfix items
getqflist({what}) Dict get specific quickfix list properties
getreg([{regname} [, 1 [, {list}]]])
String or List contents of register
getregtype([{regname}]) String type of register
String or List contents of a register
getreginfo([{regname}]) Dict information about a register
getregtype([{regname}]) String type of a register
gettabinfo([{expr}]) List list of tab pages
gettabvar({nr}, {varname} [, {def}])
any variable {varname} in tab {nr} or {def}
@@ -5247,6 +5248,32 @@ getreg([{regname} [, 1 [, {list}]]]) *getreg()*
If {regname} is not specified, |v:register| is used.
getreginfo([{regname}]) *getreginfo()*
Returns detailed information about register {regname} as a
Dictionary with the following entries:
regcontents List of lines contained in register
{regname}, like
|getreg|({regname}, 1, 1).
regtype the type of register {regname}, as in
|getregtype()|.
isunnamed Boolean flag, v:true if this register
is currently pointed to by the unnamed
register.
points_to for the unnamed register, gives the
single letter name of the register
currently pointed to (see |quotequote|).
For example, after deleting a line
with `dd`, this field will be "1",
which is the register that got the
deleted text.
The {regname} argument is a string. If {regname} is invalid
or not set, an empty Dictionary will be returned.
If {regname} is not specified, |v:register| is used.
The returned Dictionary can be passed to |setreg()|.
Can also be used as a |method|: >
GetRegname()->getreginfo()
getregtype([{regname}]) *getregtype()*
The result is a String, which is type of register {regname}.
@@ -8435,8 +8462,8 @@ setreg({regname}, {value} [, {options}])
Set the register {regname} to {value}.
The {regname} argument is a string.
{value} may be any value returned by |getreg()|, including
a |List|.
{value} may be any value returned by |getreg()| or
|getreginfo()|, including a |List| or |Dict|.
If {options} contains "a" or {regname} is upper case,
then the value is appended.
@@ -8466,9 +8493,13 @@ setreg({regname}, {value} [, {options}])
:call setreg(v:register, @*)
:call setreg('*', @%, 'ac')
:call setreg('a', "1\n2\n3", 'b5')
:call setreg('"', { 'points_to': 'a'})
< This example shows using the functions to save and restore a
register: >
:let var_a = getreginfo()
:call setreg('a', var_a)
< or: >
:let var_a = getreg('a', 1, 1)
:let var_amode = getregtype('a')
....