vim/runtime/syntax/testdir/input/vim_function_variables.vim

" Vim function variable highlighting

function Foo()
  " :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 bfoo["key"] = expr
  let bfoo['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:foo = expr

  let v:foo[0] = expr

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

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

  let v:foo += expr
  let v:foo -= expr
  let v:foo *= expr
  let v:foo /= expr
  let v:foo %= expr
  let v:foo .= expr
  let v:foo ..= 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 &foo = expr

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

  let &foo .= expr
  let &foo ..= expr
  let &foo += expr
  let &foo -= expr

  let &l:foo = expr

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

  let &g:foo = expr

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

  let [foo, bar] = expr
  let [foo,
	\ bar] = expr
  let [v:foo, v:bar] = expr
  let [v:foo,
	\ v:bar] = expr
  let [&foo, &bar] = expr
  let [&foo,
	\  &bar] = 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:foo, v:bar; v:baz] = expr
  let [v:foo,
	\ v:bar;
	\ v:baz] = expr
  let [$foo, $bar; $baz] = expr
  let [$foo,
	\ $bar;
	\ $baz] = expr
  let [&foo, &bar; &baz] = expr
  let [&foo,
	\ &bar;
	\ &baz] = 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"
endfunction