cmd/cue/cmd: support uintptr in get go

Fixes #1305

Signed-off-by: Marcel van Lohuizen <mpvl@golang.org>
Change-Id: Ib78066542f0f54bb13f507be48a9bd0ce6285741
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/536712
Unity-Result: CUEcueckoo <cueckoo@cuelang.org>
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Marcel van Lohuizen <mpvl@gmail.com>

Author: mpvl

cmd/cue/cmd/get_go.go

@@ -1020,7 +1020,6 @@ func (e *extractor) makeType(expr types.Type) (result cueast.Expr) {
 		}
 		// Check for builtin packages.
 		// TODO: replace these literal types with a reference to the fixed
-		// builtin type.
 		switch obj.Type().String() {
 		case "time.Time":
 			ref := e.ident(e.pkgNames[obj.Pkg().Path()].name, false)
@@ -1130,7 +1129,12 @@ func (e *extractor) makeType(expr types.Type) (result cueast.Expr) {
 		}
 
 	case *types.Basic:
-		return e.ident(x.String(), false)
+		switch t := x.String(); t {
+		case "uintptr":
+			return e.ident("uint64", false)
+		default:
+			return e.ident(t, false)
+		}
 
 	case *types.Interface:
 		return e.ident("_", false)

cmd/cue/cmd/testdata/script/get_go_types.txt

@@ -63,6 +63,8 @@ type Foozer struct {
 
 	exclude int
 
+	Ptr uintptr
+
 	// Time is mapped to CUE's internal type.
 	Time time.Time
 
@@ -394,6 +396,7 @@ import (
 	AnyJSON:     _                  @go(,json.Marshaler)
 	AnyText:     string             @go(,encoding.TextMarshaler)
 	bar?:        int & >10          @go(Bar)
+	Ptr:         uint64             @go(,uintptr)
 
 	// Time is mapped to CUE's internal type.
 	Time:    time.Time