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patch 8.2.2290: Vim9: unlet of global variable cannot be compiled

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Problem:    Vim9: unlet of global variable cannot be compiled.
Solution:   Skip over variables that might be defined later. Give an error if
            a subscript is found. (closes #7585)
This commit is contained in:
Bram Moolenaar
2021-01-03 20:55:26 +01:00
parent e5a2dc87fd
commit 2ef951dd31
5 changed files with 26 additions and 3 deletions
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src/vim.h
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@@ -2544,12 +2544,14 @@ typedef enum {
#define TFN_NO_DEREF 0x08 // do not dereference a Funcref
#define TFN_READ_ONLY 0x10 // will not change the var
#define TFN_NO_DECL 0x20 // only used for GLV_NO_DECL
#define TFN_COMPILING 0x40 // only used for GLV_COMPILING
// Values for get_lval() flags argument:
#define GLV_QUIET TFN_QUIET // no error messages
#define GLV_NO_AUTOLOAD TFN_NO_AUTOLOAD // do not use script autoloading
#define GLV_READ_ONLY TFN_READ_ONLY // will not change the var
#define GLV_NO_DECL TFN_NO_DECL // assignment without :var or :let
#define GLV_COMPILING TFN_COMPILING // variable may be defined later
#define DO_NOT_FREE_CNT 99999 // refcount for dict or list that should not
// be freed.