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patch 8.2.2219: Vim9: method call with expression not supported

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Problem:    Vim9: method call with expression not supported.
Solution:   Implement expr->(expr)().
This commit is contained in:
Bram Moolenaar
2020-12-25 21:56:57 +01:00
parent fc0e8f5c3e
commit 7e3682068b
3 changed files with 120 additions and 61 deletions
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60
src/testdir/test_vim9_expr.vim
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@@ -2560,6 +2560,39 @@ def Test_expr7_call()
delete('Xruntime', 'rf')
enddef
def Test_expr7_method_call()
new
setline(1, ['first', 'last'])
'second'->append(1)
"third"->append(2)
assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
bwipe!
var bufnr = bufnr()
var loclist = [{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
loclist->setloclist(0)
assert_equal([{bufnr: bufnr,
lnum: 42,
col: 17,
text: 'wrong',
pattern: '',
valid: 1,
vcol: 0,
nr: 0,
type: '',
module: ''}
], getloclist(0))
var result: bool = get({n: 0}, 'n', 0)
assert_equal(false, result)
assert_equal('+string+', 'string'->((s) => '+' .. s .. '+')())
assert_equal('-text-', 'text'->((s, c) => c .. s .. c)('-'))
var Join = (l) => join(l, 'x')
assert_equal('axb', ['a', 'b']->(Join)())
enddef
def Test_expr7_not()
var lines =<< trim END
@@ -2852,33 +2885,6 @@ def Test_expr7_subscript_linebreak()
one)
enddef
def Test_expr7_method_call()
new
setline(1, ['first', 'last'])
'second'->append(1)
"third"->append(2)
assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
bwipe!
var bufnr = bufnr()
var loclist = [{bufnr: bufnr, lnum: 42, col: 17, text: 'wrong'}]
loclist->setloclist(0)
assert_equal([{bufnr: bufnr,
lnum: 42,
col: 17,
text: 'wrong',
pattern: '',
valid: 1,
vcol: 0,
nr: 0,
type: '',
module: ''}
], getloclist(0))
var result: bool = get({n: 0}, 'n', 0)
assert_equal(false, result)
enddef
func Test_expr7_trailing_fails()
call CheckDefFailure(['var l = [2]', 'l->{l -> add(l, 8)}'], 'E107:', 2)
call CheckDefFailure(['var l = [2]', 'l->{l -> add(l, 8)} ()'], 'E274:', 2)