From 540884d8476dc1046b449ee68b87bb0a472c7b48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Dreux?= <ldreux@scaleway.com>
Date: Sat, 21 Jan 2023 09:36:36 +0100
Subject: [PATCH] Set get frames public

---
 error.go      | 20 +++++++++++++++++---
 stackframe.go |  6 +++---
 stacktrace.go |  4 ++--
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/error.go b/error.go
index 7cca0b8..7e5cf6c 100644
--- a/error.go
+++ b/error.go
@@ -170,9 +170,9 @@ func (e *Error) Unwrap() error {
 // Format implements the Formatter interface.
 // Supported verbs:
 //
-// 		%s		simple message output
-// 		%v		same as %s
-// 		%+v		full output complete with a stack trace
+//	%s		simple message output
+//	%v		same as %s
+//	%+v		full output complete with a stack trace
 //
 // In is nearly always preferable to use %+v format.
 // If a stack trace is not required, it should be omitted at the moment of creation rather in formatting.
@@ -189,6 +189,20 @@ func (e *Error) Format(s fmt.State, verb rune) {
 	}
 }
 
+// GetFrames export stacktrace as frame slice.
+func (e *Error) GetFrames() []Frame {
+	if e.stackTrace == nil {
+		return nil
+	}
+
+	pc, _ := e.stackTrace.deduplicateFramesWithCause()
+	if len(pc) == 0 {
+		return nil
+	}
+
+	return frameHelperSingleton.GetFrames(pc)
+}
+
 // Error implements the error interface.
 // A result is the same as with %s formatter and does not contain a stack trace.
 func (e *Error) Error() string {
diff --git a/stackframe.go b/stackframe.go
index db95f47..6053856 100644
--- a/stackframe.go
+++ b/stackframe.go
@@ -4,7 +4,7 @@ import (
 	"runtime"
 )
 
-type frame interface {
+type Frame interface {
 	Function() string
 	File() string
 	Line() int
@@ -31,9 +31,9 @@ func (f *defaultFrame) Line() int {
 	return f.frame.Line
 }
 
-func (c *frameHelper) GetFrames(pcs []uintptr) []frame {
+func (c *frameHelper) GetFrames(pcs []uintptr) []Frame {
 	frames := runtime.CallersFrames(pcs[:])
-	result := make([]frame, 0, len(pcs))
+	result := make([]Frame, 0, len(pcs))
 
 	var rawFrame runtime.Frame
 	next := true
diff --git a/stacktrace.go b/stacktrace.go
index 4e8a1d2..5c1d1c3 100644
--- a/stacktrace.go
+++ b/stacktrace.go
@@ -55,8 +55,8 @@ var transformStackTraceLineNoop StackTraceFilePathTransformer = func(line string
 
 const (
 	stackTraceDepth = 128
-	// tuned so that in all control paths of error creation the first frame is useful
-	// that is, the frame where New/Wrap/Decorate etc. are called; see TestStackTraceStart
+	// tuned so that in all control paths of error creation the first Frame is useful
+	// that is, the Frame where New/Wrap/Decorate etc. are called; see TestStackTraceStart
 	skippedFrames = 6
 )