add cmd go-ast

Author: xhd2015

code/go-ast/go-ast.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/xhd2015/go-coverage/code"
+)
+
+func main() {
+	args := os.Args
+	if len(args) < 2 {
+		// ioutil.ReadAll(os.Stdin)
+		fmt.Printf("requires file\n")
+		os.Exit(1)
+	}
+	file := args[1]
+
+	_, ast, _, err := code.ParseFile(file)
+	if err != nil {
+		fmt.Printf("parsing: %v", err)
+		os.Exit(1)
+	}
+
+	// get log
+	code.Clean(ast, code.CleanOpts{
+		Log:       true,
+		LogIndent: 4,
+	})
+}