+++ /dev/null
-//
-// MakeMap.cs: Builds a C map of constants defined on C# land
-//
-// Authors:
-// Miguel de Icaza (miguel@novell.com)
-// Jonathan Pryor (jonpryor@vt.edu)
-//
-// (C) 2003 Novell, Inc.
-// (C) 2004 Jonathan Pryor
-//
-
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-using System;
-using System.Collections;
-using System.IO;
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-delegate void CreateFileHandler (string assembly_name, string file_prefix);
-delegate void AssemblyAttributesHandler (Assembly assembly);
-delegate void TypeHandler (Type t, string ns, string fn);
-delegate void CloseFileHandler (string file_prefix);
-
-class MakeMap {
-
- public static int Main (string [] args)
- {
- FileGenerator[] generators = new FileGenerator[]{
- new HeaderFileGenerator (),
- new SourceFileGenerator (),
- new ConvertFileGenerator (),
- new MphPrototypeFileGenerator (),
- };
-
- MakeMap composite = new MakeMap ();
- foreach (FileGenerator g in generators) {
- composite.FileCreators += new CreateFileHandler (g.CreateFile);
- composite.AssemblyAttributesHandler +=
- new AssemblyAttributesHandler (g.WriteAssemblyAttributes);
- composite.TypeHandler += new TypeHandler (g.WriteType);
- composite.FileClosers += new CloseFileHandler (g.CloseFile);
- }
-
- return composite.Run (args);
- }
-
- event CreateFileHandler FileCreators;
- event AssemblyAttributesHandler AssemblyAttributesHandler;
- event TypeHandler TypeHandler;
- event CloseFileHandler FileClosers;
-
- int Run (string[] args)
- {
- if (args.Length != 2){
- Console.WriteLine ("Usage is: make-map assembly output");
- return 1;
- }
-
- string assembly_name = args[0];
- string output = args[1];
-
- FileCreators (assembly_name, output);
-
- Assembly assembly = Assembly.LoadFrom (assembly_name);
- AssemblyAttributesHandler (assembly);
-
- Type [] exported_types = assembly.GetTypes ();
-
- foreach (Type t in exported_types) {
- string ns = t.Namespace;
- if (ns == null || !ns.StartsWith ("Mono"))
- continue;
- string fn = GetNativeName (t.FullName);
- ns = GetNativeName (ns);
-
- TypeHandler (t, ns, fn);
- }
- FileClosers (output);
-
- return 0;
- }
-
- internal static string GetNativeName (string fn)
- {
- return fn.Replace (".", "_").Replace ("Mono_Unix", "Mono_Posix");
- }
-}
-
-abstract class FileGenerator {
- public abstract void CreateFile (string assembly_name, string file_prefix);
-
- public virtual void WriteAssemblyAttributes (Assembly assembly)
- {
- }
-
- public abstract void WriteType (Type t, string ns, string fn);
- public abstract void CloseFile (string file_prefix);
-
- protected static void WriteHeader (StreamWriter s, string assembly)
- {
- s.WriteLine (
- "/*\n" +
- " * This file was automatically generated by make-map from {0}.\n" +
- " *\n" +
- " * DO NOT MODIFY.\n" +
- " */\n" +
- "#include <config.h>\n",
- assembly);
- }
-
- protected static bool CanMapType (Type t, out bool bits)
- {
- object [] attributes = t.GetCustomAttributes (false);
- bool map = false;
- bits = false;
-
- foreach (object attr in attributes) {
- if (attr.GetType ().Name == "MapAttribute")
- map = true;
- if (attr.GetType ().Name == "FlagsAttribute")
- bits = true;
- }
- return map;
- }
-
- protected static string GetNativeType (Type t)
- {
- string ut = t.Name;
- if (t.IsEnum)
- ut = Enum.GetUnderlyingType (t).Name;
- Type et = t.GetElementType ();
- if (et != null && et.IsEnum)
- ut = Enum.GetUnderlyingType (et).Name;
-
- string type = null;
-
- switch (ut) {
- case "Boolean": type = "int"; break;
- case "Byte": type = "unsigned char"; break;
- case "SByte": type = "signed char"; break;
- case "Int16": type = "short"; break;
- case "UInt16": type = "unsigned short"; break;
- case "Int32": type = "int"; break;
- case "UInt32": type = "unsigned int"; break;
- case "UInt32[]": type = "unsigned int*"; break;
- case "Int64": type = "gint64"; break;
- case "UInt64": type = "guint64"; break;
- case "IntPtr": type = "void*"; break;
- case "Byte[]": type = "void*"; break;
- case "String": type = "const char*"; break;
- case "StringBuilder": type = "char*"; break;
- case "Void": type = "void"; break;
- case "HandleRef": type = "void*"; break;
- }
- if (type != null)
- return string.Format ("{0}{1}", type,
- t.IsByRef ? "*" : "");
- return GetTypeName (t);
- }
-
- private static string GetTypeName (Type t)
- {
- if (t.Namespace.StartsWith ("System"))
- return "int /* warning: unknown mapping for type: " + t.Name + " */";
- string ts = "struct " +
- MakeMap.GetNativeName (t.FullName).Replace ("+", "_").Replace ("&", "*");
- return ts;
- }
-}
-
-class HeaderFileGenerator : FileGenerator {
- StreamWriter sh;
-
- public override void CreateFile (string assembly_name, string file_prefix)
- {
- sh = File.CreateText (file_prefix + ".h");
- WriteHeader (sh, assembly_name);
- sh.WriteLine ("#ifndef INC_Mono_Posix_" + file_prefix + "_H");
- sh.WriteLine ("#define INC_Mono_Posix_" + file_prefix + "_H\n");
- sh.WriteLine ("#include <glib/gtypes.h>\n");
- sh.WriteLine ("G_BEGIN_DECLS\n");
- }
-
- public override void WriteType (Type t, string ns, string fn)
- {
- bool bits;
- if (!CanMapType (t, out bits))
- return;
- string etype = GetNativeType (t);
-
- WriteLiteralValues (sh, t, fn);
- sh.WriteLine ("int {1}_From{2} ({0} x, {0} *r);", etype, ns, t.Name);
- sh.WriteLine ("int {1}_To{2} ({0} x, {0} *r);", etype, ns, t.Name);
- sh.WriteLine ();
- }
-
- static void WriteLiteralValues (StreamWriter sh, Type t, string n)
- {
- object inst = Activator.CreateInstance (t);
- foreach (FieldInfo fi in t.GetFields ()){
- if (!fi.IsLiteral)
- continue;
- sh.WriteLine ("#define {0}_{1} 0x{2:x}", n, fi.Name, fi.GetValue (inst));
- }
- }
-
- public override void CloseFile (string file_prefix)
- {
- sh.WriteLine ("G_END_DECLS\n");
- sh.WriteLine ("#endif /* ndef INC_Mono_Posix_" + file_prefix + "_H */\n");
- sh.Close ();
- }
-}
-
-class SourceFileGenerator : FileGenerator {
- StreamWriter sc;
-
- public override void CreateFile (string assembly_name, string file_prefix)
- {
- sc = File.CreateText (file_prefix + ".c");
- WriteHeader (sc, assembly_name);
-
- if (file_prefix.IndexOf ("/") != -1)
- file_prefix = file_prefix.Substring (file_prefix.IndexOf ("/") + 1);
- sc.WriteLine ("#include \"{0}.h\"", file_prefix);
- sc.WriteLine ();
- }
-
- public override void WriteAssemblyAttributes (Assembly assembly)
- {
- object [] x = assembly.GetCustomAttributes (false);
- Console.WriteLine ("Got: " + x.Length);
- foreach (object aattr in assembly.GetCustomAttributes (false)) {
- Console.WriteLine ("Got: " + aattr.GetType ().Name);
- if (aattr.GetType ().Name == "IncludeAttribute"){
- WriteDefines (sc, aattr);
- WriteIncludes (sc, aattr);
- }
- }
- }
-
- static void WriteDefines (TextWriter writer, object o)
- {
- PropertyInfo prop = o.GetType ().GetProperty ("Defines");
- if (prop == null)
- throw new Exception ("Cannot find 'Defines' property");
-
- MethodInfo method = prop.GetGetMethod ();
- string [] defines = (string []) method.Invoke (o, null);
- foreach (string def in defines) {
- writer.WriteLine ("#ifndef {0}", def);
- writer.WriteLine ("#define {0}", def);
- writer.WriteLine ("#endif /* ndef {0} */", def);
- }
- }
-
- static void WriteIncludes (TextWriter writer, object o)
- {
- PropertyInfo prop = o.GetType ().GetProperty ("Includes");
- if (prop == null)
- throw new Exception ("Cannot find 'Includes' property");
-
- MethodInfo method = prop.GetGetMethod ();
- string [] includes = (string []) method.Invoke (o, null);
- foreach (string inc in includes){
- if (inc.Length > 3 &&
- string.CompareOrdinal (inc, 0, "ah:", 0, 3) == 0) {
- string i = inc.Substring (3);
- writer.WriteLine ("#ifdef HAVE_" + (i.ToUpper ().Replace ("/", "_").Replace (".", "_")));
- writer.WriteLine ("#include <{0}>", i);
- writer.WriteLine ("#endif");
- } else
- writer.WriteLine ("#include <{0}>", inc);
- }
- writer.WriteLine ();
- }
-
- public override void WriteType (Type t, string ns, string fn)
- {
- bool bits;
- if (!CanMapType (t, out bits))
- return;
- string etype = GetNativeType (t);
-
- WriteFromManagedType (t, ns, fn, etype, bits);
- WriteToManagedType (t, ns, fn, etype, bits);
- }
-
- private void WriteFromManagedType (Type t, string ns, string fn, string etype, bool bits)
- {
- sc.WriteLine ("int {1}_From{2} ({0} x, {0} *r)", etype, ns, t.Name);
- sc.WriteLine ("{");
- sc.WriteLine ("\t*r = 0;");
- // For many values, 0 is a valid value, but doesn't have it's own symbol.
- // Examples: Error (0 means "no error"), WaitOptions (0 means "no options").
- // Make 0 valid for all conversions.
- sc.WriteLine ("\tif (x == 0)\n\t\treturn 0;");
- foreach (FieldInfo fi in t.GetFields ()) {
- if (!fi.IsLiteral)
- continue;
- if (Attribute.GetCustomAttribute (fi,
- typeof(ObsoleteAttribute), false) != null) {
- sc.WriteLine ("\t/* {0}_{1} is obsolete; ignoring */", fn, fi.Name);
- continue;
- }
- if (bits)
- // properly handle case where [Flags] enumeration has helper
- // synonyms. e.g. DEFFILEMODE and ACCESSPERMS for mode_t.
- sc.WriteLine ("\tif ((x & {0}_{1}) == {0}_{1})", fn, fi.Name);
- else
- sc.WriteLine ("\tif (x == {0}_{1})", fn, fi.Name);
- sc.WriteLine ("#ifdef {0}", fi.Name);
- if (bits)
- sc.WriteLine ("\t\t*r |= {1};", fn, fi.Name);
- else
- sc.WriteLine ("\t\t{{*r = {1}; return 0;}}", fn, fi.Name);
- sc.WriteLine ("#else /* def {0} */\n\t\t{{errno = EINVAL; return -1;}}", fi.Name);
- sc.WriteLine ("#endif /* ndef {0} */", fi.Name);
- }
- if (bits)
- sc.WriteLine ("\treturn 0;");
- else
- sc.WriteLine ("\terrno = EINVAL; return -1;"); // return error if not matched
- sc.WriteLine ("}\n");
- }
-
- private void WriteToManagedType (Type t, string ns, string fn, string etype, bool bits)
- {
- sc.WriteLine ("int {1}_To{2} ({0} x, {0} *r)", etype, ns, t.Name);
- sc.WriteLine ("{");
- sc.WriteLine ("\t*r = 0;", etype);
- // For many values, 0 is a valid value, but doesn't have it's own symbol.
- // Examples: Error (0 means "no error"), WaitOptions (0 means "no options").
- // Make 0 valid for all conversions.
- sc.WriteLine ("\tif (x == 0)\n\t\treturn 0;");
- foreach (FieldInfo fi in t.GetFields ()) {
- if (!fi.IsLiteral)
- continue;
- sc.WriteLine ("#ifdef {0}", fi.Name);
- if (bits)
- // properly handle case where [Flags] enumeration has helper
- // synonyms. e.g. DEFFILEMODE and ACCESSPERMS for mode_t.
- sc.WriteLine ("\tif ((x & {1}) == {1})\n\t\t*r |= {0}_{1};", fn, fi.Name);
- else
- sc.WriteLine ("\tif (x == {1})\n\t\t{{*r = {0}_{1}; return 0;}}", fn, fi.Name);
- sc.WriteLine ("#endif /* ndef {0} */", fi.Name);
- }
- if (bits)
- sc.WriteLine ("\treturn 0;");
- else
- sc.WriteLine ("\terrno = EINVAL; return -1;");
- sc.WriteLine ("}\n");
- }
-
- public override void CloseFile (string file_prefix)
- {
- sc.Close ();
- }
-}
-
-class ConvertFileGenerator : FileGenerator {
- StreamWriter scs;
-
- public override void CreateFile (string assembly_name, string file_prefix)
- {
- scs = File.CreateText (file_prefix + ".cs");
- WriteHeader (scs, assembly_name);
- scs.WriteLine ("using System;");
- scs.WriteLine ("using System.Runtime.InteropServices;");
- scs.WriteLine ("using Mono.Unix;\n");
- scs.WriteLine ("namespace Mono.Unix {\n");
- scs.WriteLine ("\tpublic sealed /* static */ class UnixConvert");
- scs.WriteLine ("\t{");
- scs.WriteLine ("\t\tprivate UnixConvert () {}\n");
- scs.WriteLine ("\t\tprivate const string LIB = \"MonoPosixHelper\";\n");
- scs.WriteLine ("\t\tprivate static void ThrowArgumentException (object value)");
- scs.WriteLine ("\t\t{");
- scs.WriteLine ("\t\t\tthrow new ArgumentOutOfRangeException (\"value\", value,");
- scs.WriteLine ("\t\t\t\tLocale.GetText (\"Current platform doesn't support this value.\"));");
- scs.WriteLine ("\t\t}\n");
- }
-
- public override void WriteType (Type t, string ns, string fn)
- {
- bool bits;
- if (!CanMapType (t, out bits))
- return;
-
- string mtype = Enum.GetUnderlyingType(t).Name;
- ObsoleteAttribute oa = (ObsoleteAttribute) Attribute.GetCustomAttribute (t,
- typeof(ObsoleteAttribute), false);
- string obsolete = "";
- if (oa != null) {
- obsolete = "[Obsolete (\"" + oa.Message + "\")]\n\t\t";
- }
- scs.WriteLine ("\t\t[DllImport (LIB, " +
- "EntryPoint=\"{0}_From{1}\")]\n" +
- "\t\tprivate static extern int From{1} ({1} value, out {2} rval);\n",
- ns, t.Name, mtype);
- scs.WriteLine ("\t\t{3}public static bool TryFrom{1} ({1} value, out {2} rval)\n" +
- "\t\t{{\n" +
- "\t\t\treturn From{1} (value, out rval) == 0;\n" +
- "\t\t}}\n", ns, t.Name, mtype, obsolete);
- scs.WriteLine ("\t\t{2}public static {0} From{1} ({1} value)", mtype, t.Name, obsolete);
- scs.WriteLine ("\t\t{");
- scs.WriteLine ("\t\t\t{0} rval;", mtype);
- scs.WriteLine ("\t\t\tif (From{0} (value, out rval) == -1)\n" +
- "\t\t\t\tThrowArgumentException (value);", t.Name);
- scs.WriteLine ("\t\t\treturn rval;");
- scs.WriteLine ("\t\t}\n");
- scs.WriteLine ("\t\t[DllImport (LIB, " +
- "EntryPoint=\"{0}_To{1}\")]\n" +
- "\t\tprivate static extern int To{1} ({2} value, out {1} rval);\n",
- ns, t.Name, mtype);
- scs.WriteLine ("\t\t{2}public static bool TryTo{1} ({0} value, out {1} rval)\n" +
- "\t\t{{\n" +
- "\t\t\treturn To{1} (value, out rval) == 0;\n" +
- "\t\t}}\n", mtype, t.Name, obsolete);
- scs.WriteLine ("\t\t{2}public static {1} To{1} ({0} value)", mtype, t.Name, obsolete);
- scs.WriteLine ("\t\t{");
- scs.WriteLine ("\t\t\t{0} rval;", t.Name);
- scs.WriteLine ("\t\t\tif (To{0} (value, out rval) == -1)\n" +
- "\t\t\t\tThrowArgumentException (value);", t.Name);
- scs.WriteLine ("\t\t\treturn rval;");
- scs.WriteLine ("\t\t}\n");
- }
-
- public override void CloseFile (string file_prefix)
- {
- scs.WriteLine ("\t}");
- scs.WriteLine ("}\n");
- scs.Close ();
- }
-}
-
-class MphPrototypeFileGenerator : FileGenerator {
- StreamWriter icall;
- Hashtable methods = new Hashtable ();
- Hashtable structs = new Hashtable ();
-
- public override void CreateFile (string assembly_name, string file_prefix)
- {
- icall = File.CreateText (file_prefix + "-icalls.h");
- WriteHeader (icall, assembly_name);
- icall.WriteLine ("#ifndef INC_Mono_Posix_" + file_prefix + "_ICALLS_H");
- icall.WriteLine ("#define INC_Mono_Posix_" + file_prefix + "_ICALLS_H\n");
- icall.WriteLine ("#include <glib/gtypes.h>\n");
- icall.WriteLine ("G_BEGIN_DECLS\n");
-
- // Kill warning about unused method
- DumpTypeInfo (null);
- }
-
- public override void WriteType (Type t, string ns, string fn)
- {
- BindingFlags bf = BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
- foreach (MethodInfo m in t.GetMethods (bf)) {
- if ((m.Attributes & MethodAttributes.PinvokeImpl) == 0)
- continue;
- DllImportAttribute dia = GetDllImportInfo (m);
- if (dia == null) {
- Console.WriteLine ("Unable to emit native prototype for P/Invoke " +
- "method: {0}", m);
- continue;
- }
- // we shouldn't declare prototypes for POSIX, etc. functions.
- if (dia.Value != "MonoPosixHelper" || IsOnExcludeList (dia.EntryPoint))
- continue;
- methods [dia.EntryPoint] = m;
- RecordStructs (m);
- }
- }
-
- private static DllImportAttribute GetDllImportInfo (MethodInfo method)
- {
- // .NET 2.0 synthesizes pseudo-attributes such as DllImport
- DllImportAttribute dia = (DllImportAttribute) Attribute.GetCustomAttribute (method,
- typeof(DllImportAttribute), false);
- if (dia != null)
- return dia;
-
- // We're not on .NET 2.0; assume we're on Mono and use some internal
- // methods...
- Type MonoMethod = Type.GetType ("System.Reflection.MonoMethod", false);
- if (MonoMethod == null) {
- Console.WriteLine ("cannot find MonoMethod");
- return null;
- }
- MethodInfo GetDllImportAttribute =
- MonoMethod.GetMethod ("GetDllImportAttribute",
- BindingFlags.Static | BindingFlags.NonPublic);
- if (GetDllImportAttribute == null) {
- Console.WriteLine ("cannot find GetDllImportAttribute");
- return null;
- }
- IntPtr mhandle = method.MethodHandle.Value;
- return (DllImportAttribute) GetDllImportAttribute.Invoke (null,
- new object[]{mhandle});
- }
-
- private static string[] ExcludeList = new string[]{
- "Mono_Posix_Stdlib_snprintf",
- };
-
- private bool IsOnExcludeList (string method)
- {
- int idx = Array.BinarySearch (ExcludeList, method);
- return (idx >= 0 && idx < ExcludeList.Length) ? true : false;
- }
-
- private void RecordStructs (MethodInfo method)
- {
- ParameterInfo[] parameters = method.GetParameters ();
- foreach (ParameterInfo pi in parameters) {
- string s = GetNativeType (pi.ParameterType);
- if (s.StartsWith ("struct"))
- structs [s] = s;
- }
- }
-
- public override void CloseFile (string file_prefix)
- {
- icall.WriteLine ("/*\n * Structure Declarations\n */");
- foreach (string s in Sort (structs.Keys))
- icall.WriteLine ("{0};", s.Replace ("*", ""));
-
- icall.WriteLine ();
-
- icall.WriteLine ("/*\n * Function Declarations\n */");
- foreach (string method in Sort (methods.Keys)) {
- WriteMethodDeclaration ((MethodInfo) methods [method], method);
- }
-
- icall.WriteLine ("\nG_END_DECLS\n");
- icall.WriteLine ("#endif /* ndef INC_Mono_Posix_" + file_prefix + "_ICALLS_H */\n");
- icall.Close ();
- }
-
- private static IEnumerable Sort (ICollection c)
- {
- ArrayList al = new ArrayList (c);
- al.Sort ();
- return al;
- }
-
- private void WriteMethodDeclaration (MethodInfo method, string entryPoint)
- {
- icall.Write ("{0} ", GetNativeType (method.ReturnType));
- icall.Write ("{0} ", entryPoint);
- ParameterInfo[] parameters = method.GetParameters();
- if (parameters.Length == 0) {
- icall.WriteLine ("(void);");
- return;
- }
- if (parameters.Length > 0) {
- icall.Write ("(");
- WriteParameterDeclaration (parameters [0]);
- }
- for (int i = 1; i < parameters.Length; ++i) {
- icall.Write (", ");
- WriteParameterDeclaration (parameters [i]);
- }
- icall.WriteLine (");");
- }
-
- private void DumpTypeInfo (Type t)
- {
- if (t == null)
- return;
-
- icall.WriteLine ("\t\t/* Type Info for " + t.FullName + ":");
- foreach (MemberInfo mi in typeof(Type).GetMembers()) {
- icall.WriteLine ("\t\t\t{0}={1}", mi.Name, GetMemberValue (mi, t));
- }
- icall.WriteLine ("\t\t */");
- }
-
- private static string GetMemberValue (MemberInfo mi, Type t)
- {
- try {
- switch (mi.MemberType) {
- case MemberTypes.Constructor:
- case MemberTypes.Method: {
- MethodBase b = (MethodBase) mi;
- if (b.GetParameters().Length == 0)
- return b.Invoke (t, new object[]{}).ToString();
- return "<<cannot invoke>>";
- }
- case MemberTypes.Field:
- return ((FieldInfo) mi).GetValue (t).ToString ();
- case MemberTypes.Property: {
- PropertyInfo pi = (PropertyInfo) mi;
- if (!pi.CanRead)
- return "<<cannot read>>";
- return pi.GetValue (t, null).ToString ();
- }
- default:
- return "<<unknown value>>";
- }
- }
- catch (Exception e) {
- return "<<exception reading member: " + e.Message + ">>";
- }
- }
-
- private void WriteParameterDeclaration (ParameterInfo pi)
- {
- // DumpTypeInfo (pi.ParameterType);
- icall.Write ("{0} {1}", GetNativeType (pi.ParameterType), pi.Name);
- }
-}
-
-// vim: noexpandtab
projects / mono.git / blobdiff