| // Copyright 2015 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // +build ignore |
| |
| package scanner_test |
| |
| import ( |
| "fmt" |
| "strings" |
| "text/scanner" |
| ) |
| |
| func Example() { |
| const src = ` |
| // This is scanned code. |
| if a > 10 { |
| someParsable = text |
| }` |
| var s scanner.Scanner |
| s.Filename = "example" |
| s.Init(strings.NewReader(src)) |
| var tok rune |
| for tok != scanner.EOF { |
| tok = s.Scan() |
| fmt.Println("At position", s.Pos(), ":", s.TokenText()) |
| } |
| |
| // Output: |
| // At position example:3:4 : if |
| // At position example:3:6 : a |
| // At position example:3:8 : > |
| // At position example:3:11 : 10 |
| // At position example:3:13 : { |
| // At position example:4:15 : someParsable |
| // At position example:4:17 : = |
| // At position example:4:22 : text |
| // At position example:5:3 : } |
| // At position example:5:3 : |
| } |