From b93fc3f02840143c9c8c06e42b27b1f685391826 Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Fri, 21 Jun 2024 11:02:28 +0800
Subject: [PATCH] patch internal/reflectlite; demo: sort.Ints

---
 README.md                                     |  1 +
 _demo/sortdemo/sort.go                        | 11 ++++++++
 cl/import.go                                  |  5 ++--
 internal/build/build.go                       | 25 ++++++++++---------
 .../lib/internal/reflectlite/reflectlite.go   | 22 ++++++++++++++++
 internal/lib/reflect/makefunc.go              | 16 ++++++++++++
 internal/lib/reflect/value.go                 |  4 +++
 7 files changed, 70 insertions(+), 14 deletions(-)
 create mode 100644 _demo/sortdemo/sort.go
 create mode 100644 internal/lib/internal/reflectlite/reflectlite.go

diff --git a/README.md b/README.md
index 918d1cce9..d28db1103 100644
--- a/README.md
+++ b/README.md
@@ -208,6 +208,7 @@ Here are the Go packages that can be imported correctly:
 * [math](https://pkg.go.dev/math)
 * [math/bits](https://pkg.go.dev/math/bits)
 * [math/cmplx](https://pkg.go.dev/math/cmplx)
+* [sort](https://pkg.go.dev/sort)
 * [strconv](https://pkg.go.dev/strconv)
 * [sync/atomic](https://pkg.go.dev/sync/atomic)
 * [sync](https://pkg.go.dev/sync) (partially)
diff --git a/_demo/sortdemo/sort.go b/_demo/sortdemo/sort.go
new file mode 100644
index 000000000..c138cec93
--- /dev/null
+++ b/_demo/sortdemo/sort.go
@@ -0,0 +1,11 @@
+package main
+
+import "sort"
+
+func main() {
+	vals := []int{32, 58, 25, 92, 45, 78}
+	sort.Ints(vals)
+	for _, v := range vals {
+		println(v)
+	}
+}
diff --git a/cl/import.go b/cl/import.go
index bb8f03f07..f5f6f5c76 100644
--- a/cl/import.go
+++ b/cl/import.go
@@ -518,14 +518,15 @@ func ignoreName(name string) bool {
 		return true
 	}
 	*/
-	return (strings.HasPrefix(name, "internal/") && !supportedInternal(name)) ||
+	const internal = "internal/"
+	return (strings.HasPrefix(name, internal) && !supportedInternal(name[len(internal):])) ||
 		strings.HasPrefix(name, "crypto/") || strings.HasPrefix(name, "runtime/") ||
 		strings.HasPrefix(name, "arena.") || strings.HasPrefix(name, "maps.") ||
 		strings.HasPrefix(name, "time.") || strings.HasPrefix(name, "plugin.")
 }
 
 func supportedInternal(name string) bool {
-	return strings.HasPrefix(name, "internal/bytealg.")
+	return strings.HasPrefix(name, "bytealg.") || strings.HasPrefix(name, "reflectlite.")
 }
 
 // -----------------------------------------------------------------------------
diff --git a/internal/build/build.go b/internal/build/build.go
index 07257c8c3..18bf05139 100644
--- a/internal/build/build.go
+++ b/internal/build/build.go
@@ -739,18 +739,19 @@ func canSkipToBuild(pkgPath string) bool {
 type none struct{}
 
 var hasAltPkg = map[string]none{
-	"errors":           {},
-	"internal/bytealg": {},
-	"io":               {},
-	"io/fs":            {},
-	"math":             {},
-	"math/cmplx":       {},
-	"reflect":          {},
-	"sync":             {},
-	"sync/atomic":      {},
-	"syscall":          {},
-	"os":               {},
-	"runtime":          {},
+	"errors":               {},
+	"internal/bytealg":     {},
+	"internal/reflectlite": {},
+	"io":                   {},
+	"io/fs":                {},
+	"math":                 {},
+	"math/cmplx":           {},
+	"reflect":              {},
+	"sync":                 {},
+	"sync/atomic":          {},
+	"syscall":              {},
+	"os":                   {},
+	"runtime":              {},
 }
 
 func check(err error) {
diff --git a/internal/lib/internal/reflectlite/reflectlite.go b/internal/lib/internal/reflectlite/reflectlite.go
new file mode 100644
index 000000000..354ac4da6
--- /dev/null
+++ b/internal/lib/internal/reflectlite/reflectlite.go
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package reflectlite
+
+// llgo:skipall
+import (
+	_ "unsafe"
+)
diff --git a/internal/lib/reflect/makefunc.go b/internal/lib/reflect/makefunc.go
index 06b0ae92d..2a0e62080 100644
--- a/internal/lib/reflect/makefunc.go
+++ b/internal/lib/reflect/makefunc.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Copyright 2012 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
diff --git a/internal/lib/reflect/value.go b/internal/lib/reflect/value.go
index 1306ee20b..9636ae1b5 100644
--- a/internal/lib/reflect/value.go
+++ b/internal/lib/reflect/value.go
@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package reflect
 
 import (