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FIX #202

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allow interface method with empty (void) return type

-> only look for type declaration if no new line has been
   while skipping whitespace
This commit is contained in:
marco 2019-07-03 21:53:25 +02:00 • committed by Alexander Medvednikov
parent 7fdd94fcbb
commit 155e1fa961
3 changed files with 68 additions and 13 deletions
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32
compiler/parser.v
View file

@ -393,6 +393,25 @@ fn (p mut Parser) type_decl() {
p.table.register_type_with_parent(name, parent)
}
fn (p mut Parser) interface_method(field_name, receiver string) &Fn {
mut method := &Fn {
name: field_name
is_interface: true
is_method: true
receiver_typ: receiver
}
p.log('is interface. field=$field_name run=$p.run')
p.fn_args(mut method)
if p.scanner.has_gone_over_line_end() {
method.typ = 'void'
} else {
method.typ = p.get_type()// method return type
p.fspace()
p.fgenln('')
}
return method
}
// also unions and interfaces
fn (p mut Parser) struct_decl() {
// Attribute before type?
@ -525,18 +544,7 @@ fn (p mut Parser) struct_decl() {
// We are in an interface?
// `run() string` => run is a method, not a struct field
if is_interface {
mut interface_method := &Fn {
name: field_name
is_interface: true
is_method: true
receiver_typ: name
}
println('is interface. field=$field_name run=$p.run')
p.fn_args(mut interface_method)
p.fspace()
interface_method.typ = p.get_type()// method return type
typ.add_method(interface_method)
p.fgenln('')
typ.add_method(p.interface_method(field_name, name))
continue
}
// `pub` access mod