snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/pkg/errors/stack.go

@@ -0,0 +1,85 @@
+package errors
+
+import (
+	"runtime"
+	"strconv"
+	"strings"
+)
+
+type (
+	frame struct {
+		Func string `json:"func"`
+		File string `json:"file"`
+		Line int    `json:"line"`
+	}
+)
+
+const (
+	stackBuf = 128
+)
+
+func collectStack(skip int) []*frame {
+	var (
+		stack     = make([]*frame, 0, stackBuf)
+		cc        = make([]uintptr, stackBuf)
+		collected = runtime.Callers(skip, cc)
+		frames    = runtime.CallersFrames(cc[:collected])
+	)
+
+	for {
+		f, n := frames.Next()
+		if !n {
+			break
+		}
+
+		aux := &frame{
+			Func: f.Function,
+			File: f.File,
+			Line: f.Line,
+		}
+
+		if li := strings.LastIndex(f.Function, "/"); li > 0 {
+			// remove prefix
+			aux.Func = aux.Func[li+1:]
+		}
+
+		stack = append(stack, aux)
+	}
+
+	return stack
+}
+
+// Converts node stack trace (from Error().stack) to internal structure
+//
+// Node stack traces are received with errors from Corredor (node.js) automation server
+func convertNodeStack(nf []string) []*frame {
+	conv := make([]*frame, len(nf))
+	for i := range nf {
+		var (
+			f         = &frame{}
+			file, lno string
+		)
+
+		if p := strings.Index(nf[i], " ("); p > 0 {
+			f.Func = nf[i][:p]
+
+			file = nf[i][p+2 : len(nf[i])-1]
+		} else {
+			file = nf[i]
+		}
+
+		parts := strings.Split(file, ":")
+		f.File = parts[0]
+
+		if len(parts) >= 2 {
+			lno = parts[1]
+		}
+
+		if lno != "" {
+			f.Line, _ = strconv.Atoi(lno)
+		}
+
+		conv[i] = f
+	}
+	return conv
+}