[vim/vim] Add support for line continuation when executing a register using :@ command (#6272)

[Yegappan Lakshmanan]

When executing register contents using the :@ command, currently line
continuation is not supported. This is very useful for testing VimScript
snippets by yanking the contents to a register and then executing it.

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You can view, comment on, or merge this pull request online at:

  https://github.com/vim/vim/pull/6272

Commit Summary

• Add support for line continuation when executing a register using :@ command

File Changes

• M src/register.c (87)
• M src/testdir/test_registers.vim (69)

Patch Links:

• https://github.com/vim/vim/pull/6272.patch
• https://github.com/vim/vim/pull/6272.diff

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[codecov[bot]]

Codecov Report

Merging #6272 into master will increase coverage by 0.01%.
The diff coverage is 88.57%.

@@            Coverage Diff             @@

##           master    #6272      +/-   ##

==========================================

+ Coverage   87.49%   87.50%   +0.01%     

==========================================

  Files         143      143              

  Lines      158429   158463      +34     

==========================================

+ Hits       138617   138669      +52     

+ Misses      19812    19794      -18     

Impacted Files	Coverage Δ
src/register.c	91.54% <88.57%> (-0.09%)	⬇️
src/if_xcmdsrv.c	88.73% <0.00%> (-0.18%)	⬇️
src/window.c	89.62% <0.00%> (-0.11%)	⬇️
src/sign.c	94.94% <0.00%> (-0.09%)	⬇️
src/message.c	88.59% <0.00%> (-0.05%)	⬇️
src/gui_gtk_x11.c	59.10% <0.00%> (+0.04%)	⬆️
src/gui.c	64.07% <0.00%> (+0.15%)	⬆️
src/os_unix.c	70.90% <0.00%> (+0.22%)	⬆️
src/netbeans.c	76.59% <0.00%> (+0.22%)	⬆️
src/profiler.c	93.03% <0.00%> (+0.55%)	⬆️
... and 1 more

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[Yegappan Lakshmanan]

@yegappan pushed 1 commit.

• e268822 Add a test for large number of lines

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[Bram Moolenaar]

I'm wondering if this is really something we should encourage to be used. In a :def function it's now possible to omit the line continuation, especially for a list and dict. Why not use a :def function instead? It's not fully stable yet, but this pull request is also new.

[Yegappan Lakshmanan]

Hi Bram,

On Tue, Jun 16, 2020 at 10:34 AM Bram Moolenaar <vim-dev...@256bit.org> wrote:

I'm wondering if this is really something we should encourage to be used. In a :def function it's now possible to omit the line continuation, especially for a list and dict. Why not use a :def function instead? It's not fully stable yet, but this pull request is also new.

This will still be needed for executing pre-vim9 scripts from a register.

For example, many times when developing the test scripts, I needed this support

to copy a Vim script fragment and execute it. If the fragment had line continuation,

then I need to copy it to another buffer, remove the line continuation and then

yank it again and execute it.

Regards,

Yegappan

[vim-dev ML]

[Bram Moolenaar]

Hmm, OK. Would be good to add a remark in the help somewhere, with a hint that this is mainly for trying out a part of a Vim script, not for normal use.

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[Yegappan Lakshmanan]

@yegappan pushed 1 commit.

• 7f26927 Update doc.

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[Bram Moolenaar]

Closed #6272 via 856c111.

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