mirror/v
1
0
Fork 0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
Code Issues Projects Releases Wiki Activity

checker: fix missed check on the initialization of result struct fields (fix #16152) (#16153)

Browse Source
This commit is contained in:
shove 2022-10-23 01:02:11 +08:00 committed by GitHub
parent 83338e044a
commit 721dbec2e4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 31 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
vlib/v/checker/struct.v
View File

@ -87,7 +87,7 @@ pub fn (mut c Checker) struct_decl(mut node ast.StructDecl) {
if field.has_default_expr {
c.expected_type = field.typ
default_expr_type := c.expr(field.default_expr)
if !field.typ.has_flag(.optional) {
if !field.typ.has_flag(.optional) && !field.typ.has_flag(.result) {
c.check_expr_opt_call(field.default_expr, default_expr_type)
}
struct_sym.info.fields[i].default_expr_typ = default_expr_type
@ -420,7 +420,7 @@ pub fn (mut c Checker) struct_init(mut node ast.StructInit) ast.Type {
if expr_type == ast.void_type {
c.error('`$field.expr` (no value) used as value', field.pos)
}
if !field_info.typ.has_flag(.optional) {
if !field_info.typ.has_flag(.optional) && !field.typ.has_flag(.result) {
expr_type = c.check_expr_opt_call(field.expr, expr_type)
}
expr_type_sym := c.table.sym(expr_type)
@ -465,6 +465,10 @@ pub fn (mut c Checker) struct_init(mut node ast.StructInit) ast.Type {
c.error('field `$field_info.name` is optional, but initialization of optional fields currently unsupported',
field.pos)
}
if field_info.typ.has_flag(.result) {
c.error('field `$field_info.name` is result, but initialization of result fields currently unsupported',
field.pos)
}
if expr_type.is_ptr() && expected_type.is_ptr() {
if mut field.expr is ast.Ident {
if mut field.expr.obj is ast.Var {

14
vlib/v/checker/tests/struct_field_optional_init_err.out Normal file
View File

@ -0,0 +1,14 @@
vlib/v/checker/tests/struct_field_optional_init_err.vv:8:3: error: field `bar` is result, but initialization of result fields currently unsupported
6 | fn main() {
7 | _ := Foo{
8 | bar: 1
| ~~~~~~
9 | baz: 1
10 | }
vlib/v/checker/tests/struct_field_optional_init_err.vv:9:3: error: field `baz` is optional, but initialization of optional fields currently unsupported
7 | _ := Foo{
8 | bar: 1
9 | baz: 1
| ~~~~~~
10 | }
11 | }

11
vlib/v/checker/tests/struct_field_optional_init_err.vv Normal file
View File

@ -0,0 +1,11 @@
struct Foo {
bar !int
baz ?int
}
fn main() {
_ := Foo{
bar: 1
baz: 1
}
}