Debug: first version of errorf

gee-m · May 16, 2017 · 006f8e1 · 006f8e1
1 parent 0a6d4f7
commit 006f8e1
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/gdebug/print.go b/gdebug/print.go
@@ -16,6 +16,14 @@ func Debugf(f string, vals ...interface{}) {
 	fmt.Printf(fmt.Sprintf("%s: ", line)+f, vals...)
 }
 
+// Errorf creates the error, but prepends the filename:line_nb of the creation
+func Errorf(f string, vals ...interface{}) error {
+	stack := strings.Split(string(debug.Stack()), "\n")
+	line := stack[6]
+	line = line[strings.LastIndex(line, "/")+1:]
+	return fmt.Errorf(fmt.Sprintf("%s: ", line)+f, vals...)
+}
+
 // CountPrintf prints the debug message along with a prefix number to identify it
 func CountPrintf(f string, vals ...interface{}) {
 	count++