fix

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
almost finished...

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
finished?

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
debug

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
factor out expandFuncCall

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
fix

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>