add prototype Caller

mallvielfrass · Jul 10, 2021 · 8e91c09 · 8e91c09
1 parent 983a6ab
commit 8e91c09
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Showing 2 changed files with 82 additions and 0 deletions.
diff --git a/caller.go 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
@@ -69,4 +69,5 @@ func main() {
 		panic(err)
 	}
 	fmc.PrintStruct(config)
+
 }
-Original file line number
+Diff line change
@@ Expand Up / @@ -69,4 +69,5 @@ func main() { @@
     		panic(err)
     	}
     	fmc.PrintStruct(config)
     }