From 8e91c09327a4feaf2eab2ae3e6d3efccbf6f785b Mon Sep 17 00:00:00 2001
From: mallvielfrass <masterharoldsaxon4@gmail.com>
Date: Sat, 10 Jul 2021 09:21:12 +0300
Subject: [PATCH] add prototype Caller

---
 caller.go | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 cmd/ex.go |  1 +
 2 files changed, 82 insertions(+)
 create mode 100644 caller.go

diff --git a/caller.go b/caller.go
new file mode 100644
index 0000000..cd81c01
--- /dev/null
+++ b/caller.go
@@ -0,0 +1,81 @@
+package fmc
+
+import (
+	"runtime"
+	"strings"
+)
+
+//Caller log run function
+func Caller() {
+	pc := make([]uintptr, 40)
+	n := runtime.Callers(0, pc)
+
+	// Printfln("#rbtn= #gbt%d", n)
+	pc = pc[0:n] // pass only valid pcs to runtime.CallersFrames
+	frames := runtime.CallersFrames(pc)
+	i := 0
+	for {
+
+		frame, more := frames.Next()
+
+		name, line, file := frame.Func, frame.Line, frame.File
+		//	fmt.Println(name)
+		nm := ""
+		if name == nil {
+			//	fmt.Println("name==nil")
+			f := runtime.FuncForPC(frame.PC)
+			//file, line := f.FileLine(frame.PC)
+			//fmt.Printf("%s:%d %s\n", file, line, f.Name())
+			nm = f.Name()
+			//Printfln("#gbt%s#wbt:#gbt%d #ybt%s", file, line, f.Name())
+		} else {
+			nm = name.Name()
+
+		}
+
+		if strings.Contains(nm, "fmc.Caller") || strings.Contains(nm, "runtime.Callers") || strings.Contains(nm, "runtime.goexit") || strings.Contains(nm, "runtime.main") {
+
+		} else {
+			if i == 0 {
+				Printf("#wbtRun> ")
+				i++
+			} else {
+				Printf("\t#rbtFrom> ")
+				i++
+			}
+			Printfln("#gbt%s#wbt:#gbt%d #ybt%s", file, line, nm)
+		}
+
+		//	}
+
+		if !more {
+			break
+		}
+	}
+}
+
+//WhoCallerIs calling func name
+func WhoCallerIs() string {
+	pc := make([]uintptr, 40)
+	n := runtime.Callers(0, pc)
+
+	// Printfln("#rbtn= #gbt%d", n)
+	pc = pc[2 : n-2] // pass only valid pcs to runtime.CallersFrames
+	frames := runtime.CallersFrames(pc)
+
+	frame, _ := frames.Next()
+
+	//name, line, file := frame.Func, frame.Line, frame.File
+	//	fmt.Println(name)
+	if frame.Func == nil {
+		//	fmt.Println("name==nil")
+		f := runtime.FuncForPC(frame.PC)
+		//file, line := f.FileLine(frame.PC)
+		//fmt.Printf("%s:%d %s\n", file, line, f.Name())
+		//	Printfln("#gbt%s#wbt:#gbt%d #ybt%s", file, line, f.Name())
+		return f.Name()
+	}
+	//	Printfln("#gbt%s#wbt:#gbt%d #ybt%s", file, line, name.Name())
+	return frame.Func.Name()
+
+}
diff --git a/cmd/ex.go b/cmd/ex.go
index dfbd198..eb836a1 100644
--- a/cmd/ex.go
+++ b/cmd/ex.go
@@ -69,4 +69,5 @@ func main() {
 		panic(err)
 	}
 	fmc.PrintStruct(config)
+
 }