mirror of
https://github.com/golang/go
synced 2024-11-26 16:46:58 -07:00
36 lines
707 B
Go
36 lines
707 B
Go
// Copyright 2009 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.
|
|
|
|
package main
|
|
|
|
import Scanner "scanner"
|
|
|
|
|
|
func Scan(filename, src string) {
|
|
S := new(Scanner.Scanner);
|
|
S.Open(filename, src);
|
|
for {
|
|
tok, beg, end := S.Scan();
|
|
print Scanner.TokenName(tok), "\t ", src[beg : end], "\n";
|
|
if tok == Scanner.EOF {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
func main() {
|
|
for i := 1; i < sys.argc(); i++ {
|
|
var src string;
|
|
var ok bool;
|
|
src, ok = sys.readfile(sys.argv(i));
|
|
if ok {
|
|
print "scanning " + sys.argv(i) + "\n";
|
|
Scan(sys.argv(i), src);
|
|
} else {
|
|
print "error: cannot read " + sys.argv(i) + "\n";
|
|
}
|
|
}
|
|
}
|