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patch 9.0.1780: Vim9 type not defined during object creation

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Problem:  Vim9 type not defined during object creation
Solution: Define type during object creation and not during class
          definition, parse mulit-line member initializers, fix lock
          initialization

If type is not specified for a member, set it during object creation
instead of during class definition.  Add a runtime type check for the
object member initialization expression

Also, while at it, when copying an object or class, make sure the lock
is correctly initialized.

And finally, parse multi-line member initializers correctly.

closes: #11957
closes: #12868
closes: #12869
closes: #12881

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Co-authored-by: LemonBoy <thatlemon@gmail.com>
This commit is contained in:
Yegappan Lakshmanan
2023-08-22 21:29:28 +02:00
committed by Christian Brabandt
parent 8dabccd295
commit 618e47d1cd
5 changed files with 147 additions and 47 deletions
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6
runtime/doc/vim9class.txt
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@ -423,6 +423,12 @@ Each member and function name can be used only once. It is not possible to
define a function with the same name and different type of arguments.
Member Initialization ~
If the type of a member is not explicitly specified in a class, then it is set
to "any" during class definition. When an object is instantiated from the
class, then the type of the member is set.
Extending a class ~
*extends*
A class can extend one other class. *E1352* *E1353* *E1354*