runtime/syntax/testdir/input/vim_variables.vim

" Vim variable highlighting

" :let

let foo = expr

let foo[0] = expr

let foo[1:2] = expr
let foo[:2] = expr
let foo[1:] = expr
let foo[:] = expr

let foo["key"] = expr
let foo['key'] = expr

let foo += expr
let foo -= expr
let foo *= expr
let foo /= expr
let foo %= expr
let foo .= expr
let foo ..= expr

let b:foo = expr

let b:foo[0] = expr

let b:foo[1:2] = expr
let b:foo[:2] = expr
let b:foo[1:] = expr
let b:foo[:] = expr

let b:foo["key"] = expr
let b:foo['key'] = expr

let b:foo += expr
let b:foo -= expr
let b:foo *= expr
let b:foo /= expr
let b:foo %= expr
let b:foo .= expr
let b:foo ..= expr

let g:foo = expr

let g:foo[0] = expr

let g:foo[1:2] = expr
let g:foo[:2] = expr
let g:foo[1:] = expr
let g:foo[:] = expr

let g:foo["key"] = expr
let g:foo['key'] = expr

let g:foo += expr
let g:foo -= expr
let g:foo *= expr
let g:foo /= expr
let g:foo %= expr
let g:foo .= expr
let g:foo ..= expr

let s:foo = expr

let s:foo[0] = expr

let s:foo[1:2] = expr
let s:foo[:2] = expr
let s:foo[1:] = expr
let s:foo[:] = expr

let s:foo["key"] = expr
let s:foo['key'] = expr

let s:foo += expr
let s:foo -= expr
let s:foo *= expr
let s:foo /= expr
let s:foo %= expr
let s:foo .= expr
let s:foo ..= expr

let t:foo = expr

let t:foo[0] = expr

let t:foo[1:2] = expr
let t:foo[:2] = expr
let t:foo[1:] = expr
let t:foo[:] = expr

let t:foo["key"] = expr
let t:foo['key'] = expr

let t:foo += expr
let t:foo -= expr
let t:foo *= expr
let t:foo /= expr
let t:foo %= expr
let t:foo .= expr
let t:foo ..= expr

let v:true = expr

let v:true[0] = expr

let v:true[1:2] = expr
let v:true[:2] = expr
let v:true[1:] = expr
let v:true[:] = expr

let v:true["key"] = expr
let v:true['key'] = expr

let v:true += expr
let v:true -= expr
let v:true *= expr
let v:true /= expr
let v:true %= expr
let v:true .= expr
let v:true ..= expr

let w:foo = expr

let w:foo[0] = expr

let w:foo[1:2] = expr
let w:foo[:2] = expr
let w:foo[1:] = expr
let w:foo[:] = expr

let w:foo["key"] = expr
let w:foo['key'] = expr

let w:foo += expr
let w:foo -= expr
let w:foo *= expr
let w:foo /= expr
let w:foo %= expr
let w:foo .= expr
let w:foo ..= expr

let $FOO = expr
let $FOO .= expr
let $FOO ..= expr

let @f = expr
let @f .= expr
let @f ..= expr

let &ari = expr

let &t_k1 = "\<Esc>[234;"

let &ari .= expr
let &ari ..= expr
let &ari += expr
let &ari -= expr

let &l:aleph = expr

let &l:aleph .= expr
let &l:aleph ..= expr
let &l:aleph += expr
let &l:aleph -= expr

let &g:aleph = expr

let &g:aleph .= expr
let &g:aleph ..= expr
let &g:aleph += expr
let &g:aleph -= expr

let [foo, bar] = expr
let [foo,
      \ bar] = expr
let [v:true, v:false] = expr
let [v:true,
      \ v:false] = expr
let [&ari, &bkc] = expr
let [&ari,
      \  &bkc] = expr
let [$foo, $bar] = expr
let [$foo,
      \  $bar] = expr
let [@a, @b] = expr
let [@a,
      \  @b] = expr

let [foo, bar] .= expr
let [foo, bar] ..= expr
let [foo, bar] += expr
let [foo, bar] -= expr

let [foo, bar; baz] = expr
let [foo,
      \ bar;
      \ baz] = expr
let [v:true, v:false; v:none] = expr
let [v:true,
      \ v:false;
      \ v:none] = expr
let [$foo, $bar; $baz] = expr
let [$foo,
      \ $bar;
      \ $baz] = expr
let [&ari, &bkc; &cmp] = expr
let [&ari,
      \ &bkc;
      \ &cmp] = expr
let [@a, @b; @c] = expr
let [@a,
      \ @b;
      \ @c] = expr

let foo =<< END
...
END
let foo =<< trim END
...
END
let foo =<< eval END
...
END
let foo =<< trim eval END
...
END
let foo =<< eval trim END
...
END

" :let list values

let foo
let foo bar
let foo
      "\ comment
      \ bar

let foo " comment
let foo "\ comment
let foo | echo "Foo"
let foo bar " comment
let foo bar | echo "Foo"
let foo bar "\ comment

" :unlet

unlet foo
unlet foo bar
unlet foo
      "\ comment
      \ bar

unlet! foo
unlet! foo bar
unlet! foo
      "\ comment
      \ bar

unlet $FOO
unlet! $FOO

unlet list[3]
unlet list[3:]
unlet dict['two']
unlet dict.two

unlet foo " comment
unlet foo "\ comment
unlet foo | echo "Foo"
unlet foo bar " comment
unlet foo bar "\ comment
unlet foo bar | echo "Foo"

" :const

const foo = expr

const [foo, bar] = expr

const [foo, bar; baz] = expr

const foo =<< END
...
END
const foo =<< trim END
...
END
const foo =<< eval END
...
END
const foo =<< trim eval END
...
END
const foo =<< eval trim END
...
END

const foo
const foo bar

" :for

for foo in expr
endfor

for [foo, bar] in expr
endfor

" :lockvar

lockvar foo
lockvar foo bar
lockvar foo
      "\ comment
      \ bar

lockvar foo " comment
lockvar foo | echo "Foo"
lockvar foo bar " comment
lockvar foo bar | echo "Foo"

lockvar! foo
lockvar! foo bar
lockvar! foo
      "\ comment
      \ bar

lockvar! foo " comment
lockvar! foo | echo "Foo"
lockvar! foo bar " comment
lockvar! foo bar | echo "Foo"

lockvar 2 foo
lockvar 2 foo bar
lockvar 2 foo
      "\ comment
      \ bar

lockvar 2 foo " comment
lockvar 2 foo | echo "Foo"
lockvar 2 foo bar " comment
lockvar 2 foo bar | echo "Foo"

" :unlockvar

unlockvar foo
unlockvar foo bar
unlockvar foo
      "\ comment
      \ bar

unlockvar foo " comment
unlockvar foo | echo "Foo"
unlockvar foo bar " comment
unlockvar foo bar | echo "Foo"

unlockvar! foo
unlockvar! foo bar
unlockvar! foo
      "\ comment
      \ bar

unlockvar! foo " comment
unlockvar! foo | echo "Foo"
unlockvar! foo bar " comment
unlockvar! foo bar | echo "Foo"

unlockvar 2 foo
unlockvar 2 foo bar
unlockvar 2 foo
      "\ comment
      \ bar

unlockvar 2 foo " comment
unlockvar 2 foo | echo "Foo"
unlockvar 2 foo bar " comment
unlockvar 2 foo bar | echo "Foo"

" Scope dictionaries

echo get(b:, 'foo', 42)
echo get(w:, 'foo', 42)
echo get(t:, 'foo', 42)
echo get(g:, 'foo', 42)
echo get(l:, 'foo', 42)
echo get(s:, 'foo', 42)
echo get(a:, 'foo', 42)
echo get(v:, 'foo', 42)

for k in keys(b:) | echo b:[k] | endfor
for k in keys(w:) | echo w:[k] | endfor
for k in keys(t:) | echo t:[k] | endfor
for k in keys(g:) | echo g:[k] | endfor
for k in keys(l:) | echo l:[k] | endfor
for k in keys(s:) | echo s:[k] | endfor
for k in keys(a:) | echo a:[k] | endfor
for k in keys(v:) | echo v:[k] | endfor

" Neovim-specific variables (not highlighted by default)

echo v:lua v:msgpack_types v:relnum v:stderr v:termrequest v:virtnum

echo &channel &inccommand &mousescroll &pumblend &redrawdebug &scrollback
echo &shada &shadafile &statuscolumn &termpastefilter &termsync &winbar
echo &winblend &winhighlight