mirror of
https://github.com/golang/go
synced 2024-11-12 08:40:21 -07:00
39 lines
770 B
Go
39 lines
770 B
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import Scanner "scanner"
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func Scan(src string) {
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S := new(Scanner.Scanner);
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S.Open(src);
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for {
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var t Scanner.Token;
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var tok, beg, end int;
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tok, beg, end = S.Scan(&t);
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//t.Print(); // TODO this doesn't compile?
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print Scanner.TokenName(tok), "\t ", src[beg : end], "\n";
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if tok == Scanner.EOF {
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return;
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}
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}
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}
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func main() {
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for i := 1; i < sys.argc(); i++ {
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var src string;
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var ok bool;
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src, ok = sys.readfile(sys.argv(i));
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if ok {
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print "scanning " + sys.argv(i) + "\n";
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Scan(src);
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} else {
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print "error: cannot read " + sys.argv(i) + "\n";
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}
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}
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}
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