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patch 9.1.0520: Vim9: incorrect type checking for modifying lists

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Problem:  Vim9: incorrect type checking for modifying lists
Solution: Correctly assign the member declared types and generate
          typechecks, add disassembly test (LemonBoy)

fixes: #15090
closes: #15094

Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
LemonBoy
2024-07-04 13:43:12 +02:00
committed by Christian Brabandt
parent 9d85d4dcf9
commit f4af331d08
5 changed files with 68 additions and 1 deletions
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33
src/testdir/test_vim9_class.vim
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@@ -10776,4 +10776,37 @@ def Test_class_object_index()
v9.CheckScriptFailure(lines, 'E689: Index not allowed after a object: a[10] = 1', 5)
enddef
def Test_class_member_init_typecheck()
# Ensure the class member is assigned its declared type.
var lines =<< trim END
vim9script
class S
static var l: list<string> = []
endclass
S.l->add(123)
END
v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got number', 5)
# Ensure the initializer value and the declared type match.
lines =<< trim END
vim9script
class S
var l: list<string> = [1, 2, 3]
endclass
var o = S.new()
END
v9.CheckScriptFailure(lines, 'E1382: Variable "l": type mismatch, expected list<string> but got list<number>')
# Ensure the class member is assigned its declared type.
lines =<< trim END
vim9script
class S
var l: list<string> = []
endclass
var o = S.new()
o.l->add(123)
END
v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got number', 6)
enddef
" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker