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cgen: fix duplicate auto generation of free methods, add test

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This commit is contained in:
Delyan Angelov 2022-03-19 01:01:08 +02:00
parent ee6b23c2a7
commit 0cc63107ff
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GPG Key ID: 66886C0F12D595ED
2 changed files with 46 additions and 7 deletions
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15
vlib/v/gen/c/auto_free_methods.v
View File

@ -7,15 +7,14 @@ import strings
fn (mut g Gen) get_free_method(typ ast.Type) string {
g.autofree_methods[typ] = true
styp := g.typ(typ).replace('*', '')
mut sym := g.table.sym(g.unwrap_generic(typ))
mut fn_name := styp_to_free_fn_name(styp)
if mut sym.info is ast.Alias {
if sym.info.is_import {
sym = g.table.sym(sym.info.parent_type)
}
}
styp := g.typ(typ).replace('*', '')
fn_name := styp_to_free_fn_name(styp)
if sym.has_method_with_generic_parent('free') {
return fn_name
}
@ -30,21 +29,23 @@ fn (mut g Gen) gen_free_methods() {
fn (mut g Gen) gen_free_method(typ ast.Type) string {
styp := g.typ(typ).replace('*', '')
mut sym := g.table.sym(g.unwrap_generic(typ))
mut fn_name := styp_to_free_fn_name(styp)
if typ in g.generated_free_methods {
deref_typ := typ.set_nr_muls(0)
if deref_typ in g.generated_free_methods {
return fn_name
}
g.generated_free_methods[typ] = true
g.generated_free_methods[deref_typ] = true
mut sym := g.table.sym(g.unwrap_generic(typ))
if mut sym.info is ast.Alias {
if sym.info.is_import {
sym = g.table.sym(sym.info.parent_type)
}
}
if sym.has_method_with_generic_parent('free') {
return fn_name
}
match mut sym.info {
ast.Struct {
g.gen_free_for_struct(sym.info, styp, fn_name)

38
vlib/v/tests/valgrind/struct_of_array_of_same_struct.v Normal file
View File

@ -0,0 +1,38 @@
struct Abc {
mut:
name string
children []Abc
}
[manualfree]
fn main() {
mut a := &Abc{}
a.name = 'aaa'
a.children = [
Abc{
name: 'xyz'
children: [
Abc{
name: 'xx'
},
Abc{
name: 'yy'
},
]
},
Abc{
name: 'def'
children: [
Abc{
name: 'dd'
},
Abc{
name: 'ee'
},
]
},
]
dump(a)
unsafe { a.free() }
unsafe { free(a) }
}