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generator: Improve handling of command-line parameters
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.
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@ -30,12 +30,7 @@ namespace GtkSharp.Generation {
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public static int Main (string[] args)
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{
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if (args.Length < 2) {
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Console.WriteLine ("Usage: codegen --generate <filename1...>");
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return 0;
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}
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bool generate = false;
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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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@ -44,48 +39,67 @@ namespace GtkSharp.Generation {
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SymbolTable table = SymbolTable.Table;
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var gens = new List<IGeneratable> ();
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foreach (string arg in args) {
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if (arg.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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string filename = arg;
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if (arg == "--generate") {
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generate = true;
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continue;
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} else if (arg == "--include") {
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generate = false;
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continue;
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} else if (arg.StartsWith ("-I:")) {
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generate = false;
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filename = filename.Substring (3);
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} else if (arg.StartsWith ("--outdir=")) {
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generate = false;
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dir = arg.Substring (9);
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continue;
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} else if (arg.StartsWith ("--assembly-name=")) {
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generate = false;
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assembly_name = arg.Substring (16);
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continue;
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} else if (arg.StartsWith ("--glue-filename=")) {
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generate = false;
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glue_filename = arg.Substring (16);
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continue;
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} else if (arg.StartsWith ("--glue-includes=")) {
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generate = false;
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glue_includes = arg.Substring (16);
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continue;
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} else if (arg.StartsWith ("--gluelib-name=")) {
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generate = false;
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gluelib_name = arg.Substring (15);
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continue;
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}
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Parser p = new Parser ();
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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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if (generate)
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gens.AddRange (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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@ -117,5 +131,13 @@ namespace GtkSharp.Generation {
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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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@ -46,6 +46,7 @@ sources = \
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ObjectBase.cs \
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ObjectGen.cs \
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OpaqueGen.cs \
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Options.cs \
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OwnableGen.cs \
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Parameter.cs \
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Parameters.cs \
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1347
generator/Options.cs
Normal file
1347
generator/Options.cs
Normal file
File diff suppressed because it is too large
Load Diff
@ -90,6 +90,7 @@
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<Compile Include="XmlElementExtensions.cs" />
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<Compile Include="Parameter.cs" />
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<Compile Include="ArrayParameter.cs" />
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<Compile Include="Options.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="DESIGN" />
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@ -18,7 +18,7 @@ libopaque_la_LIBADD = $(GTK_LIBS)
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INCLUDES = $(GTK_CFLAGS)
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generated/*.cs: opaque-api.xml
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$(RUNTIME) ../../generator/gapi_codegen.exe --generate $(srcdir)/opaque-api.xml --include ../../gtk/gtk-api.xml ../../gdk/gdk-api.xml --outdir=generated --assembly-name=opaque-sharp
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$(RUNTIME) ../../generator/gapi_codegen.exe --generate $(srcdir)/opaque-api.xml --include=../../gtk/gtk-api.xml --include=../../gdk/gdk-api.xml --outdir=generated --assembly-name=opaque-sharp
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api:
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PATH=../../parser:$(PATH) $(RUNTIME) ../../parser/gapi-parser.exe opaque-sources.xml
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@ -18,7 +18,7 @@ libvalobj_la_LIBADD = $(GTK_LIBS)
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INCLUDES = $(GTK_CFLAGS)
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Valobj.cs: valobj-api.xml
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$(RUNTIME) ../../generator/gapi_codegen.exe --generate $(srcdir)/valobj-api.xml --include ../../gtk/gtk-api.xml ../../gdk/gdk-api.xml --outdir=. --assembly-name=valobj-sharp
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$(RUNTIME) ../../generator/gapi_codegen.exe --generate $(srcdir)/valobj-api.xml --include=../../gtk/gtk-api.xml --include=../../gdk/gdk-api.xml --outdir=. --assembly-name=valobj-sharp
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api:
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PATH=../../parser:$(PATH) $(RUNTIME) ../../parser/gapi-parser.exe valobj-sources.xml
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