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

find_field: use optional

Browse Source
This commit is contained in:
Alexander Medvednikov
2019-09-18 14:28:11 +03:00
parent d1500511e6
commit d180324413
2 changed files with 22 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
compiler/table.v
View File

@ -400,36 +400,43 @@ fn (table mut Table) add_field(type_name, field_name, field_type string, is_mut
}
fn (t &Type) has_field(name string) bool {
field := t.find_field(name)
return (field.name != '')
_ := t.find_field(name) or { return false }
return true
}
fn (t &Type) has_enum_val(name string) bool {
return name in t.enum_vals
}
fn (t &Type) find_field(name string) Var {
fn (t &Type) find_field(name string) ?Var {
for field in t.fields {
if field.name == name {
return field
}
}
//println('ret Var{}')
return Var{}
return none
}
fn (table &Table) type_has_field(typ &Type, name string) bool {
field := table.find_field(typ, name)
return (field.name != '')
_ := table.find_field(typ, name) or { return false }
return true
}
fn (table &Table) find_field(typ &Type, name string) Var {
field := typ.find_field(name)
if field.name.len == 0 && typ.parent.len > 0 {
parent := table.find_type(typ.parent)
return parent.find_field(name)
fn (table &Table) find_field(typ &Type, name string) ?Var {
for field in typ.fields {
if field.name == name {
return field
}
}
return field
if typ.parent != '' {
parent := table.find_type(typ.parent)
for field in parent.fields {
if field.name == name {
return field
}
}
}
return none
}
fn (table mut Table) add_method(type_name string, f Fn) {