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checker: fix missing check for option value on non-optional struct field assignment (#17785)

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Heptalon 2023-03-27 04:11:56 +02:00 committed by GitHub
parent f08b88223d
commit 6b4fb0fc3e
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2 changed files with 14 additions and 3 deletions
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4
vlib/v/checker/struct.v
View File

@ -490,6 +490,10 @@ fn (mut c Checker) struct_init(mut node ast.StructInit, is_field_zero_struct_ini
}
if !field_info.typ.has_flag(.option) && !field.typ.has_flag(.result) {
expr_type = c.check_expr_opt_call(field.expr, expr_type)
if expr_type.has_flag(.option) {
c.error('cannot assign an Option value to a non-option struct field',
field.pos)
}
}
expr_type_sym := c.table.sym(expr_type)
if field_type_sym.kind == .voidptr && expr_type_sym.kind == .struct_

7
vlib/v/checker/tests/option_fn_err.out
View File

@ -5,6 +5,13 @@ vlib/v/checker/tests/option_fn_err.vv:40:9: error: assert can be used only with
| ~~~~~~~~~
41 |
42 | // struct
vlib/v/checker/tests/option_fn_err.vv:45:3: error: cannot assign an Option value to a non-option struct field
43 | mut v := Data{
44 | f: fn (_ int) {}
45 | value: bar(0)
| ~~~~~~~~~~~~~
46 | opt: bar(0)
47 | }
vlib/v/checker/tests/option_fn_err.vv:60:13: error: cannot use Option or Result as index (array type `[]int`)
58 | _ := [1]int{init: bar(0)}
59 | // index