sys/fuchsia: update "make extract" support code

FIDL fuzzing hasn't been working for a while, and it's further
bit-rotted as upstream FIDL functionality has continued to evolve.
This commit updates enough FIDL functionality to get a minimal FIDL
test case to work again.

1 files changed, 13 insertions, 46 deletions

diff --git a/sys/fuchsia/layout/fidl_mappings.go b/sys/fuchsia/layout/fidl_mappings.go
index 837a97332..44fb308e1 100644
--- a/sys/fuchsia/layout/fidl_mappings.go
+++ b/sys/fuchsia/layout/fidl_mappings.go
@@ -9,50 +9,24 @@ import (
 	"strings"
 )
 
-// layer indicates at which layer a FidlLibrary lives in the Fuchsia build
-// system.
-type layer int
-
-const (
-	_ layer = iota
-	zircon
-	garnet
-)
-
-// FidlLibrary describes a FIDL library. It captures required details such as
-// build location, header generation, etc.
-type FidlLibrary struct {
-	layer layer
-
-	// FqName stores the fully-qualified name of the library in parts, e.g.
-	// the `fuchsia.mem` library is `fuchsia`, `mem`.
-	FqName []string
-}
+// FidlLibrary is the fully-qualified name of a FIDL library.
+type FidlLibrary []string
 
 // AllFidlLibraries lists all FIDL libraries.
 var AllFidlLibraries = []FidlLibrary{
-	{zircon, []string{"fuchsia", "mem"}},
-	{zircon, []string{"fuchsia", "cobalt"}},
-	{zircon, []string{"fuchsia", "ldsvc"}},
-	{zircon, []string{"fuchsia", "process"}},
-	{zircon, []string{"fuchsia", "io"}},
-	{zircon, []string{"fuchsia", "net"}},
-	{zircon, []string{"fuchsia", "hardware", "ethernet"}},
-	{garnet, []string{"fuchsia", "devicesettings"}},
-	{garnet, []string{"fuchsia", "net", "stack"}},
-	{garnet, []string{"fuchsia", "timezone"}},
-	{garnet, []string{"fuchsia", "scpi"}},
+	{"fuchsia", "cobalt"},
+	{"fuchsia", "devicesettings"},
+	{"fuchsia", "hardware", "ethernet"},
+	{"fuchsia", "io"},
+	{"fuchsia", "ldsvc"},
+	{"fuchsia", "mem"},
+	{"fuchsia", "net"},
+	{"fuchsia", "process"},
+	{"fuchsia", "scpi"},
 }
 
 func (fidlLib FidlLibrary) dirName() string {
-	switch fidlLib.layer {
-	case zircon:
-		return strings.Join(fidlLib.FqName, "-")
-	case garnet:
-		return strings.Join(fidlLib.FqName, ".")
-	default:
-		panic(fmt.Sprintf("unknown layer %v", fidlLib.layer))
-	}
+	return strings.Join(fidlLib, ".")
 }
 
 // PathToJSONIr provides the path to the JSON IR, relative to the out/<arch>
@@ -66,12 +40,5 @@ func (fidlLib FidlLibrary) PathToJSONIr() string {
 // PathToCompiledDir provides the path to compiled headers, relative to the
 // out/<arch> directory.
 func (fidlLib FidlLibrary) PathToCompiledDir() string {
-	switch fidlLib.layer {
-	case zircon:
-		return filepath.Join("fidling", "gen", "zircon", "system", "fidl", fidlLib.dirName())
-	case garnet:
-		return filepath.Join("fidling", "gen", "sdk", "fidl", fidlLib.dirName())
-	default:
-		panic(fmt.Sprintf("unknown layer %v", fidlLib.layer))
-	}
+	return filepath.Join("fidling", "gen", "sdk", "fidl", fidlLib.dirName())
 }