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checker: fix generic struct field init recursively (related #19014) (#19025)

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yuyi 2023-08-01 12:20:33 +08:00 committed by GitHub
parent 5061aeee64
commit a1aca4c578
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2 changed files with 9 additions and 4 deletions
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12
vlib/v/checker/struct.v
View File

@ -318,6 +318,9 @@ fn (mut c Checker) struct_init(mut node ast.StructInit, is_field_zero_struct_ini
}
}
struct_sym := c.table.sym(node.typ)
mut old_inside_generic_struct_init := false
mut old_cur_struct_generic_types := []ast.Type{}
mut old_cur_struct_concrete_types := []ast.Type{}
if struct_sym.info is ast.Struct {
// check if the generic param types have been defined
for ct in struct_sym.info.concrete_types {
@ -357,13 +360,16 @@ fn (mut c Checker) struct_init(mut node ast.StructInit, is_field_zero_struct_ini
}
if struct_sym.info.generic_types.len > 0
&& struct_sym.info.generic_types.len == struct_sym.info.concrete_types.len {
old_inside_generic_struct_init = c.inside_generic_struct_init
old_cur_struct_generic_types = c.cur_struct_generic_types.clone()
old_cur_struct_concrete_types = c.cur_struct_concrete_types.clone()
c.inside_generic_struct_init = true
c.cur_struct_generic_types = struct_sym.info.generic_types.clone()
c.cur_struct_concrete_types = struct_sym.info.concrete_types.clone()
defer {
c.inside_generic_struct_init = false
c.cur_struct_generic_types = []
c.cur_struct_concrete_types = []
c.inside_generic_struct_init = old_inside_generic_struct_init
c.cur_struct_generic_types = old_cur_struct_generic_types
c.cur_struct_concrete_types = old_cur_struct_concrete_types
}
}
} else if struct_sym.info is ast.Alias {

1
vlib/v/tests/generics_struct_field_with_default_fn_type_test.v
View File

@ -7,7 +7,6 @@ struct BloomFilter1[T] {
[heap]
struct BloomFilter2[T] {
// TODO V bug
hash_func fn (T) u32 = default_cb[T] // hash function, input [T] , output u32
table_size int // every entry is one-bit, packed into `table`
num_functions int // 1~16