Problem: Vim9: can use type a func arg/return value
Solution: Check if using type as function argument or return value
closes: #13675
Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: [security]: use-after-free in check_argument_type
Solution: Reset function type pointer when freeing the function type
list
function pointer fp->uf_func_type may point to the same memory, that was
allocated for fp->uf_type_list. However, when cleaning up a function
definition (e.g. because it was invalid), fp->uf_type_list will be
freed, but fp->uf_func_type may still point to the same (now) invalid
memory address.
So when freeing the fp->uf_type_list, check if fp->func_type points to
any of those types and if it does, reset the fp->uf_func_type pointer to
the t_func_any (default) type pointer
closes: #13652
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Vim9: incorrectly parses :def func definitions
Solution: check for more context when parsing function args
Signed-off-by: Christian Brabandt <cb@256bit.org>
Incorrectly parses def function definitions
Vim currently allows to define the following vim9 function:
def Func(f=
)
enddef
It currently thinks a Lambda is following the `=` but it doesn't check,
that there is actually an expression following. So when such a think is
encountered, remember that an expression should be following.
If no expression is coming in the next few lines, fail parsing the
function arguments, which will Vim no longer accept such a function.
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: recursive callback may cause issues on some archs
Solution: Decrease the limit drastically to 20
Recursive callback limit causes problems on some architectures
Since commit 47510f3d65 we have a test
that causes a recursive popup callback function to be executed. However
it seems the current limit of 'maxfuncdepth' option value is still too
recursive for some 32bit architectures (e.g. 32bit ARM).
So instead of allowing a default limit of 100 (default value for
'maxfuncdepth'), let's reduce this limit to 20. I don't think there is a
use case where one would need such a high recursive callback limit and a
limit of 20 seems reasonable (although it is currently hard-coded).
closes: #13495closes: #13502
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Vim9: crash with deferred function call and exception
Solution: Save and restore exception state
Crash when a deferred function is called after an exception and another
exception is thrown
closes: #13376closes: #13377
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Problem: no max callback recursion limit
Solution: bail out, if max call recursion for callback functions
has been reached.
This checks the 'maxfuncdepth' setting and throws E169 when a callback
function recursively calls itself.
closes: #13337closes: #13339
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Vim9: no support for partials using call()
Solution: Add support
closes: #13341
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Problem: Vim9: object variable "this." should only be used in
constructor
Solution: Disallow to this in normal object methods (other than
constructors)
closes: #13152closes: #13212
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: h-east <h.east.727@gmail.com>
Problem: Vim9: no support for abstract methods
Solution: Add support for defining abstract methods in an abstract class
closes: #13044closes: #13046
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Problem: Vim9: parsing commands with newlines wrong
Solution: Accept a '\n' for parsing lists and command arguments
closes: #13015closes: #13020
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Vim9: no support for private object methods
Solution: Add support for private object/class methods
closes: #12920
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Problem: Crash when calling method on super in child constructor. (Israel
Chauca Fuentes)
Solution: Clear the type list. (Ernie Rael, closes#12489, closes#12471)
Problem: RedrawingDisabled not used consistently.
Solution: Avoid RedrawingDisabled going negative. Set RedrawingDisabled in
win_split_ins(). (closes#11961)
Problem: Function argument types not always checked and using v:none may
cause an error.
Solution: Check argument types once the function type is known. Do not give
an error for using v:none as an argument. (closes#12200)
Problem: Deferred functions invoked in unexpected order when using :qa and
autocommands.
Solution: Call deferred functions for the current funccal before using the
stack. (closes#12278)
Problem: "clear" macros are not always used.
Solution: Use ALLOC_ONE, VIM_CLEAR, CLEAR_POINTER and CLEAR_FIELD in more
places. (Yegappan Lakshmanan, closes#12104)
Problem: FOR_ALL_ macros are defined in an unexpected file.
Solution: Move FOR_ALL_ macros to macros.h. Add FOR_ALL_HASHTAB_ITEMS.
(Yegappan Lakshmanan, closes#12109)
Problem: Checking the type of a null object causes a crash.
Solution: Don't try to get the class of a null object. (closes#12005)
Handle error from calling a user function better.
Problem: Crash and/or memory leak when redefining function after error.
Solution: Clear pointer after making a copy. Clear arrays on failure.
(closes#11774)
