updated ebiten version from 2.7.9 to 2.9.9

vendor/github.com/hajimehoshi/ebiten/v2/internal/debug/caller.go

@@ -0,0 +1,83 @@
+// Copyright 2024 The Ebitengine Authors
+//
+// 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 debug
+
+import (
+	"go/build"
+	"path"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"sync"
+)
+
+var (
+	ebitengineFileDir     string
+	ebitengineFileDirOnce sync.Once
+)
+
+type CallerType int
+
+const (
+	CallerTypeNone CallerType = iota
+	CallerTypeRegular
+	CallerTypeInternal
+)
+
+// FirstCaller returns the file and line number of the first caller outside of Ebitengine.
+func FirstCaller() (file string, line int, callerType CallerType) {
+	ebitengineFileDirOnce.Do(func() {
+		pkg, err := build.Default.Import("github.com/hajimehoshi/ebiten/v2", "", build.FindOnly)
+		if err != nil {
+			return
+		}
+		ebitengineFileDir = filepath.ToSlash(pkg.Dir)
+	})
+
+	if ebitengineFileDir == "" {
+		return "", 0, CallerTypeNone
+	}
+
+	// Relying on a caller stacktrace is very fragile, but this is fine as this is only for debugging.
+	var ebitenPackageReached bool
+	for i := 0; ; i++ {
+		_, file, line, ok := runtime.Caller(i)
+		if !ok {
+			break
+		}
+		// The file should be with a slash, but just in case, convert it.
+		file = filepath.ToSlash(file)
+
+		if !ebitenPackageReached {
+			if path.Dir(file) == ebitengineFileDir {
+				ebitenPackageReached = true
+			}
+			continue
+		}
+
+		if path.Dir(file) == ebitengineFileDir {
+			continue
+		}
+		if strings.HasPrefix(path.Dir(file), ebitengineFileDir+"/") && !strings.HasPrefix(path.Dir(file), ebitengineFileDir+"/examples/") {
+			if strings.HasPrefix(path.Dir(file), ebitengineFileDir+"/internal/") {
+				return file, line, CallerTypeInternal
+			}
+			continue
+		}
+		return file, line, CallerTypeRegular
+	}
+
+	return "", 0, CallerTypeNone
+}