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https://github.com/golang/go
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882ac63885
- change test_scanner to scan using both methods - add -pscan flag to Go front-end to choose between conventional synchronous or parallel asynchronous scanning R=r OCL=13937 CL=13937
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
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 Build "build"
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import Globals "globals"
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import Compilation "compilation"
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// For now we are not using the flags package to minimize
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// external dependencies, and because the requirements are
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// very minimal at this point.
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func PrintHelp() {
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print "go in go (", Build.time, ")\n";
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print "usage:\n";
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print " go { flag | file }\n";
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print " -d print debug information\n";
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print " -p print export\n";
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print " -s enable semantic checks\n";
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print " -v verbose mode\n";
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print " -vv very verbose mode\n";
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print " -6g 6g compatibility mode\n";
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print " -pscan scan and parse in parallel (use token channel)\n";
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}
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func main() {
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if sys.argc() <= 1 {
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PrintHelp();
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sys.exit(1);
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}
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// collect flags and files
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flags := new(Globals.Flags);
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files := Globals.NewList();
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for i := 1; i < sys.argc(); i++ {
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switch arg := sys.argv(i); arg {
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case "-d": flags.debug = true;
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case "-p": flags.print_export = true;
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case "-s": flags.semantic_checks = true;
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case "-v": flags.verbose = 1;
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case "-vv": flags.verbose = 2;
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case "-6g": flags.sixg = true;
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case "-pscan": flags.pscan = true;
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default: files.AddStr(arg);
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}
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}
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// compile files
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for p := files.first; p != nil; p = p.next {
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comp := Globals.NewCompilation(flags);
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Compilation.Compile(comp, p.str);
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}
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}
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