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49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
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// 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 Flag "flag"
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import Platform "platform"
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import Scanner "scanner"
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import AST "ast" // should not be needed
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import Parser "parser"
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import Printer "printer"
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var (
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verbose = Flag.Bool("v", false, nil, "verbose mode");
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sixg = Flag.Bool("6g", false, nil, "6g compatibility mode");
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tokenchan = Flag.Bool("token_chan", false, nil, "use token channel for scanner-parser connection");
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)
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func main() {
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Flag.Parse();
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// process files
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for i := 0; i < Flag.NArg(); i++ {
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src_file := Flag.Arg(i);
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src, ok := Platform.ReadSourceFile(src_file);
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if !ok {
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print("cannot open ", src_file, "\n");
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return;
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}
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scanner := new(Scanner.Scanner);
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scanner.Open(src_file, src);
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var tstream *<-chan *Scanner.Token;
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if tokenchan.BVal() {
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tstream = scanner.TokenStream();
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}
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parser := new(Parser.Parser);
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parser.Open(verbose.BVal(), scanner, tstream);
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parser.ParseProgram();
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}
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}
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