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629a34aa4f
Bundle Options.cs from the Mono source tree, and use it to parse the command-line options for gapi-codegen. This gives us clearer code, descriptions for each option, and a nice "--help" output. This does not change the options syntax, except that -I|--include needs to specified for each file to include. Two Makefiles in sample/ are updated for that change.
144 lines
4.4 KiB
C#
144 lines
4.4 KiB
C#
// GtkSharp.Generation.CodeGenerator.cs - The main code generation engine.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// Copyright (c) 2001-2003 Mike Kestner
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// Copyright (c) 2003-2004 Novell Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace GtkSharp.Generation {
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using System;
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using System.Collections.Generic;
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using System.Xml;
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public class CodeGenerator {
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public static int Main (string[] args)
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{
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bool show_help = false;
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string dir = "";
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string assembly_name = "";
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string glue_filename = "";
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string glue_includes = "";
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string gluelib_name = "";
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SymbolTable table = SymbolTable.Table;
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var gens = new List<IGeneratable> ();
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var filenames = new List<string> ();
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var includes = new List<string> ();
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var options = new OptionSet () {
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{ "generate=", "Generate the C# code for this GAPI XML file.",
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(string v) => { filenames.Add (v); } },
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{ "I|include=", "GAPI XML file that contain symbols used in the main GAPI XML file.",
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(string v) => { includes.Add (v); } },
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{ "outdir=", "Directory where the C# files will be generated.",
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(string v) => { dir = v; } },
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{ "assembly-name=", "Name of the assembly for which the code is generated.",
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(string v) => { assembly_name = v; } },
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{ "glue-filename=", "Filename for the generated C glue code.",
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(string v) => { glue_filename = v; } },
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{ "glue-includes=", "Content of #include directive to add in the generated C glue code.",
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(string v) => { glue_includes = v; } },
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{ "gluelib-name=", "Name of the C library into which the C glue code will be compiled. " +
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"Used to generated correct DllImport attributes.",
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(string v) => { gluelib_name = v; } },
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{ "h|help", "Show this message and exit",
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v => show_help = v != null },
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};
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List<string> extra;
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try {
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extra = options.Parse (args);
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}
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catch (OptionException e) {
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Console.Write ("gapi-codegen: ");
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Console.WriteLine (e.Message);
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Console.WriteLine ("Try `gapi-codegen --help' for more information.");
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return 0;
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}
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if (show_help) {
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ShowHelp (options);
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return 1;
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}
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if (filenames.Count == 0) {
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Console.WriteLine ("You need to specify a file to process using the --generate option.");
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Console.WriteLine ("Try `gapi-codegen --help' for more information.");
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return 0;
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}
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if (extra.Exists (v => { return v.StartsWith ("--customdir"); })) {
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Console.WriteLine ("Using .custom files is not supported anymore, use partial classes instead.");
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return 0;
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}
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Parser p = new Parser ();
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foreach (string include in includes) {
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IGeneratable[] curr_gens = p.Parse (include);
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table.AddTypes (curr_gens);
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}
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foreach (string filename in filenames) {
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IGeneratable[] curr_gens = p.Parse (filename);
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table.AddTypes (curr_gens);
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gens.AddRange (curr_gens);
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}
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// Now that everything is loaded, validate all the to-be-
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// generated generatables and then remove the invalid ones.
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var invalids = new List<IGeneratable> ();
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foreach (IGeneratable gen in gens) {
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if (!gen.Validate ())
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invalids.Add (gen);
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}
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foreach (IGeneratable gen in invalids)
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gens.Remove (gen);
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GenerationInfo gen_info = null;
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if (dir != "" || assembly_name != "" || glue_filename != "" || glue_includes != "" || gluelib_name != "")
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gen_info = new GenerationInfo (dir, assembly_name, glue_filename, glue_includes, gluelib_name);
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foreach (IGeneratable gen in gens) {
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if (gen_info == null)
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gen.Generate ();
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else
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gen.Generate (gen_info);
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}
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ObjectGen.GenerateMappers ();
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if (gen_info != null)
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gen_info.CloseGlueWriter ();
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Statistics.Report();
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return 0;
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}
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static void ShowHelp (OptionSet p)
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{
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Console.WriteLine ("Usage: gapi-codegen [OPTIONS]+");
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Console.WriteLine ();
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Console.WriteLine ("Options:");
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p.WriteOptionDescriptions (Console.Out);
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}
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}
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}
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