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cgen: skip interface outside methods, while generating _interface_methods struct

pull/4716/head
Delyan Angelov 2020-05-04 22:40:33 +03:00
parent 32a7bd3a48
commit b5fda6e410
1 changed files with 6 additions and 0 deletions
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6
vlib/v/gen/cgen.v
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@ -3393,6 +3393,7 @@ fn (g &Gen) interface_table() string {
mut methods_typ_def := strings.new_builder(100)
mut methods_struct_def := strings.new_builder(100)
methods_struct_def.writeln('$methods_struct_name {')
mut imethods := map[string]string{} // a map from speak -> _Speaker_speak_fn
for method in ityp.methods {
typ_name := '_${interface_name}_${method.name}_fn'
ret_styp := g.typ(method.return_type)
@ -3405,6 +3406,7 @@ fn (g &Gen) interface_table() string {
// TODO g.fn_args(method.args[1..], method.is_variadic)
methods_typ_def.writeln(');')
methods_struct_def.writeln('\t$typ_name ${c_name(method.name)};')
imethods[method.name] = typ_name
}
methods_struct_def.writeln('};')
// generate an array of the interface methods for the structs using the interface
@ -3431,6 +3433,10 @@ _Interface I_${cctype}_to_Interface(${cctype}* x) {
methods_struct.writeln('\t{')
st_sym := g.table.get_type_symbol(st)
for method in st_sym.methods {
if method.name !in imethods {
// a method that is not part of the interface should be just skipped
continue
}
// .speak = Cat_speak
mut method_call := '${cctype}_${method.name}'
if !method.args[0].typ.is_ptr() {