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https://github.com/neovim/neovim.git
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e6be6c307a
Problem: All builtin functions are global.
Solution: Add the method call operator ->. Implemented for a limited number
of functions.
ac92e25a33
- Note that to *exactly* port hunk @@ -7376,18 +7444,19 from
handle_subscript(), we need the :scriptversion patches (I have an open
PR for those, but this patch works fine without them anyway).
- Port call_internal_func() from v7.4.2058.
- Adjust some error messages in tests, as they rely on the Blob patches.
- Add a modeline to test_method.vim.
Ignore the global_functions and base_method tables and prefer the
current GPerf implementation. Instead, add an extra base_arg field to
VimLFuncDef that holds the number of the argument to use as the base
(1-indexed, so that 0 may be used to refer to functions that cannot be
used as methods).
This also means we support using any argument as a base from the get-go,
rather than just the first (Vim includes this ability in future patches,
however).
To mark a function as usable as a method, use the "base" key as
described in eval.lua.
69 lines
2.8 KiB
VimL
69 lines
2.8 KiB
VimL
" Tests for ->method()
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func Test_list()
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let l = [1, 2, 3]
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call assert_equal([1, 2, 3, 4], [1, 2, 3]->add(4))
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call assert_equal(l, l->copy())
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call assert_equal(1, l->count(2))
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call assert_false(l->empty())
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call assert_true([]->empty())
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call assert_equal([1, 2, 3, 4, 5], [1, 2, 3]->extend([4, 5]))
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call assert_equal([1, 3], [1, 2, 3]->filter('v:val != 2'))
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call assert_equal(2, l->get(1))
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call assert_equal(1, l->index(2))
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call assert_equal([0, 1, 2, 3], [1, 2, 3]->insert(0))
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call assert_fails('let x = l->items()', 'E715:')
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call assert_equal('1 2 3', l->join())
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call assert_fails('let x = l->keys()', 'E715:')
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call assert_equal(3, l->len())
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call assert_equal([2, 3, 4], [1, 2, 3]->map('v:val + 1'))
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call assert_equal(3, l->max())
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call assert_equal(1, l->min())
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call assert_equal(2, [1, 2, 3]->remove(1))
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call assert_equal([1, 2, 3, 1, 2, 3], l->repeat(2))
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call assert_equal([3, 2, 1], [1, 2, 3]->reverse())
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call assert_equal([1, 2, 3, 4], [4, 2, 3, 1]->sort())
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call assert_equal('[1, 2, 3]', l->string())
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call assert_equal(v:t_list, l->type())
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call assert_equal([1, 2, 3], [1, 1, 2, 3, 3]->uniq())
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call assert_fails('let x = l->values()', 'E715:')
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endfunc
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func Test_dict()
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let d = #{one: 1, two: 2, three: 3}
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call assert_equal(d, d->copy())
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call assert_equal(1, d->count(2))
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call assert_false(d->empty())
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call assert_true({}->empty())
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call assert_equal(#{one: 1, two: 2, three: 3, four: 4}, d->extend(#{four: 4}))
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call assert_equal(#{one: 1, two: 2, three: 3}, d->filter('v:val != 4'))
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call assert_equal(2, d->get('two'))
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" Nvim doesn't support Blobs yet; expect a different emsg
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" call assert_fails("let x = d->index(2)", 'E897:')
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" call assert_fails("let x = d->insert(0)", 'E899:')
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call assert_fails("let x = d->index(2)", 'E714:')
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call assert_fails("let x = d->insert(0)", 'E686:')
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call assert_equal([['one', 1], ['two', 2], ['three', 3]], d->items())
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call assert_fails("let x = d->join()", 'E714:')
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call assert_equal(['one', 'two', 'three'], d->keys())
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call assert_equal(3, d->len())
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call assert_equal(#{one: 2, two: 3, three: 4}, d->map('v:val + 1'))
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call assert_equal(#{one: 1, two: 2, three: 3}, d->map('v:val - 1'))
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call assert_equal(3, d->max())
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call assert_equal(1, d->min())
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call assert_equal(2, d->remove("two"))
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let d.two = 2
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call assert_fails('let x = d->repeat(2)', 'E731:')
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" Nvim doesn't support Blobs yet; expect a different emsg
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" call assert_fails('let x = d->reverse()', 'E899:')
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call assert_fails('let x = d->reverse()', 'E686:')
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call assert_fails('let x = d->sort()', 'E686:')
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call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string())
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call assert_equal(v:t_dict, d->type())
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call assert_fails('let x = d->uniq()', 'E686:')
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call assert_equal([1, 2, 3], d->values())
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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