PanicInfo.CallerFrames

context.go

@@ -217,14 +217,39 @@ func (ctx *Context) SetPanic(fn func(*PanicInfo)) {
 	ctx.panicFunc = fn
 }
 
+type PanicInfo struct {
+	funcInstr
+	fset  *token.FileSet
+	fr    *frame
+	Error error // PanicError
+}
+
+func (i *PanicInfo) Position() token.Position {
+	return i.fset.Position(i.Pos())
+}
+
+func (i *PanicInfo) CallerFrames() (frames []runtime.Frame) {
+	rpc := make([]uintptr, 64)
+	n := runtimeCallers(i.fr, 1, rpc)
+	fs := runtime.CallersFrames(rpc[:n])
+	for {
+		f, more := runtimeFramesNext(i.fr, fs)
+		frames = append(frames, f)
+		if !more {
+			break
+		}
+	}
+	return
+}
+
 type funcInstr interface {
 	Parent() *ssa.Function
 	Pos() token.Pos
 	String() string
 }
 
 func (ctx *Context) handlePanic(fr *frame, fn funcInstr, err error) error {
-	info := &PanicInfo{funcInstr: fn, fset: ctx.FileSet, Error: err}
+	info := &PanicInfo{funcInstr: fn, fset: ctx.FileSet, fr: fr, Error: err}
 	ctx.panicFunc(info)
 	if info.Error != nil {
 		return info.Error

interp.go

@@ -594,16 +594,6 @@ func (i *DebugInfo) AsFunc() (*types.Func, bool) {
 	return v, ok
 }
 
-type PanicInfo struct {
-	funcInstr
-	fset  *token.FileSet
-	Error error // PanicError
-}
-
-func (i *PanicInfo) Position() token.Position {
-	return i.fset.Position(i.Pos())
-}
-
 // prepareCall determines the function value and argument values for a
 // function call in a Call, Go or Defer instruction, performing
 // interface method lookup if needed.