mirror of
https://github.com/golang/go
synced 2024-11-12 07:00:21 -07:00
af065a0c77
(this code doesn't match the existing language at this point, but it's a large code base which compiles - will eventually go away) - enable compilation of it again in run.bash R=r DELTA=1147 (534 added, 311 deleted, 302 changed) OCL=22176 CL=22176
92 lines
2.0 KiB
Go
92 lines
2.0 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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func PrintHelp() {
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print(
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"go (" + Build.time + ")\n" +
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"usage:\n" +
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" go { flag } { file }\n" +
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" -d debug mode, additional self tests and prints\n" +
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" -o file explicit object file\n" +
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" -r recursively update imported packages in current directory\n" +
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" -p print package interface\n" +
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" -v [0 .. 3] verbosity level\n" +
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" -6g 6g compatibility mode\n" +
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" -token_chan use token channel to scan and parse in parallel\n"
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);
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}
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var argno int = 1;
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func Next() string {
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arg := "";
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if argno < sys.argc() {
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arg = sys.argv(argno);
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argno++;
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}
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return arg;
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}
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func main() {
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arg := Next();
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if arg == "" {
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PrintHelp();
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return;
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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 arg != "" {
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switch arg {
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case "-d": flags.debug = true;
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case "-o": flags.object_file = Next();
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print("note: -o flag ignored at the moment\n");
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case "-r": flags.update_packages = true;
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case "-p": flags.print_interface = true;
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case "-v":
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arg = Next();
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switch arg {
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case "0", "1", "2", "3":
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flags.verbosity = uint(arg[0] - '0');
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default:
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// anything else is considered the next argument
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flags.verbosity = 1;
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continue;
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}
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case "-6g": flags.sixg = true;
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case "-token_chan": flags.token_chan = true;
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default: files.AddStr(arg);
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}
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arg = Next();
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}
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// setup environment
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env := new(Globals.Environment);
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env.Error = &Compilation.Error;
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env.Import = &Compilation.Import;
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env.Export = &Compilation.Export;
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env.Compile = &Compilation.Compile;
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// compile files
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for p := files.first; p != nil; p = p.next {
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// setup compilation
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comp := new(Globals.Compilation);
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comp.flags = flags;
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comp.env = env;
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// compile
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Compilation.Compile(comp, p.str);
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}
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}
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