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patch 8.2.2320: Vim9: no error for comparing bool with string

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Problem:    Vim9: no error for comparing bool with string.
Solution:   Check for wrong types when comparing. (closes #7639)
This commit is contained in:
Bram Moolenaar
2021-01-09 16:21:37 +01:00
parent 657137ca48
commit cff40ff986
4 changed files with 40 additions and 0 deletions
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24
src/typval.c
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@@ -834,6 +834,30 @@ typval_compare(
default: break; // avoid gcc warning
}
}
else if (in_vim9script() && (typ1->v_type == VAR_BOOL
|| typ2->v_type == VAR_BOOL))
{
if (typ1->v_type != typ2->v_type)
{
semsg(_(e_cannot_compare_str_with_str),
vartype_name(typ1->v_type), vartype_name(typ2->v_type));
clear_tv(typ1);
return FAIL;
}
n1 = typ1->vval.v_number;
n2 = typ2->vval.v_number;
switch (type)
{
case EXPR_IS:
case EXPR_EQUAL: n1 = (n1 == n2); break;
case EXPR_ISNOT:
case EXPR_NEQUAL: n1 = (n1 != n2); break;
default:
emsg(_(e_invalid_operation_for_bool));
clear_tv(typ1);
return FAIL;
}
}
else
{
s1 = tv_get_string_buf(typ1, buf1);