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patch 8.2.2034: Vim9: list unpack in for statement not compiled yet

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Problem:    Vim9: list unpack in for statement not compiled yet.
Solution:   Compile list unpack. (closes #7345)
This commit is contained in:
Bram Moolenaar
2020-11-23 08:31:18 +01:00
parent 6abdcf8285
commit 792f786aad
8 changed files with 269 additions and 35 deletions
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38
src/testdir/test_vim9_script.vim
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@@ -1862,6 +1862,44 @@ def Test_for_loop_fails()
CheckDefFailure(['for i in range(3)', 'echo 3'], 'E170:')
enddef
def Test_for_loop_unpack()
var result = []
for [v1, v2] in [[1, 2], [3, 4]]
result->add(v1)
result->add(v2)
endfor
assert_equal([1, 2, 3, 4], result)
result = []
for [v1, v2; v3] in [[1, 2], [3, 4, 5, 6]]
result->add(v1)
result->add(v2)
result->add(v3)
endfor
assert_equal([1, 2, [], 3, 4, [5, 6]], result)
var lines =<< trim END
for [v1, v2] in [[1, 2, 3], [3, 4]]
echo v1 v2
endfor
END
CheckDefExecFailure(lines, 'E710:', 1)
lines =<< trim END
for [v1, v2] in [[1], [3, 4]]
echo v1 v2
endfor
END
CheckDefExecFailure(lines, 'E711:', 1)
lines =<< trim END
for [v1, v1] in [[1, 2], [3, 4]]
echo v1
endfor
END
CheckDefExecFailure(lines, 'E1017:', 1)
enddef
def Test_while_loop()
var result = ''
var cnt = 0