That's the gccgo frontend; the more usual Go compiler is here: https://github.com/golang/go/tree/master/src/cmd/compile/internal/syntax https://github.com/golan

That's the gccgo frontend; the more usual Go compiler is here: https://github.com/golang/go/tree/master/src/cmd/compile/internal/syntax https://github.com/golang/go/tree/master/src/cmd/compile/int... It's still handwritten though so your point stands.