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patch 8.2.2897: Vim9: can use reserved words at the script level

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Problem:    Vim9: can use reserved words at the script level.
Solution:   Check variable names for reserved words. (closes #8253)
This commit is contained in:
Bram Moolenaar
2021-05-28 21:06:08 +02:00
parent dc3275a1ac
commit d0edaf9dc2
6 changed files with 39 additions and 19 deletions
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19
src/vim9compile.c
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@@ -5594,14 +5594,6 @@ assignment_len(char_u *p, int *heredoc)
return 0;
}
// words that cannot be used as a variable
static char *reserved[] = {
"true",
"false",
"null",
NULL
};
/*
* Generate the load instruction for "name".
*/
@@ -5995,16 +5987,9 @@ compile_lhs(
}
else
{
int idx;
// No specific kind of variable recognized, just a name.
for (idx = 0; reserved[idx] != NULL; ++idx)
if (STRCMP(reserved[idx], lhs->lhs_name) == 0)
{
semsg(_(e_cannot_use_reserved_name), lhs->lhs_name);
return FAIL;
}
if (check_reserved_name(lhs->lhs_name) == FAIL)
return FAIL;
if (lookup_local(var_start, lhs->lhs_varlen,
&lhs->lhs_local_lvar, cctx) == OK)