cmd/cue/cmd: allow inlined embedding of pointer types

Fixes #554

Change-Id: I8c64db86ce83cd4a6cd2c24c0701fead545e8e7b
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/7381
Reviewed-by: CUE cueckoo <[email protected]>
Reviewed-by: Marcel van Lohuizen <[email protected]>

Author: mpvl

cmd/cue/cmd/get_go.go

@@ -1069,6 +1069,13 @@ func (e *extractor) addFields(x *types.Struct, st *cueast.StructLit) {
 		}
 		if f.Anonymous() && e.isInline(x.Tag(i)) {
 			typ := f.Type()
+			for {
+				p, ok := typ.(*types.Pointer)
+				if !ok {
+					break
+				}
+				typ = p.Elem()
+			}
 			if _, ok := typ.(*types.Named); ok {
 				embed := &cueast.EmbedDecl{Expr: e.makeType(typ)}
 				if i > 0 {

cmd/cue/cmd/testdata/code/go/pkg2/pkg2.go

@@ -35,10 +35,14 @@ type Barzer struct {
 	XY bool `json:"x-y"`
 
 	Err error
+
+	*Inline `json:",inline"`
 }
 
 const Perm = 0755
 
 const Few = 3
 
 const Couple int = 2
+
+type Inline struct{ A int }

cmd/cue/cmd/testdata/pkg/cuelang.org/go/cmd/cue/cmd/testdata/code/go/pkg2/pkg2_go_gen.cue

@@ -18,10 +18,14 @@ import t "time"
 	S:     string
 	"x-y": bool @go(XY)
 	Err:   _    @go(,error)
+
+	#Inline
 }
 
 #Perm: 0o755
 
 #Few: 3
 
 #Couple: int & 2
+
+#Inline: A: int