Exemplo n.º 1
0
 public async Task TestScope()
 {
     using (var scope = new AScope())
     {
         await Test1();
     }
 }
Exemplo n.º 2
0
        public void FunctionDeclaration(CParser.FunctionDeclaration FunctionDeclaration)
        {
            PutDebugLine(FunctionDeclaration);

            var FunctionName      = FunctionDeclaration.CFunctionType.Name;
            var ReturnType        = ConvertCTypeToType(FunctionDeclaration.CFunctionType.Return);
            var ParameterTypes    = FunctionDeclaration.CFunctionType.Parameters.Select(Item => ConvertCTypeToType(Item.CType)).ToArray();
            var ParameterCSymbols = FunctionDeclaration.CFunctionType.Parameters;

            if (ParameterTypes.Length == 1 && ParameterTypes[0] == typeof(void))
            {
                ParameterTypes = new Type[0];
            }
            var FunctionReference = FunctionScope.Find(FunctionName);

            if (FunctionReference == null)
            {
                var CurrentMethodLazy = new Lazy <MethodInfo>(() =>
                {
                    var MethodBuilder = CurrentClass.DefineMethod(
                        FunctionName,
                        MethodAttributes.Static | MethodAttributes.Public, CallingConventions.Standard,
                        ReturnType,
                        ParameterTypes
                        );

                    for (int n = 0; n < ParameterCSymbols.Length; n++)
                    {
                        MethodBuilder.DefineParameter(n, ParameterAttributes.None, ParameterCSymbols[n].Name);
                    }

                    return(MethodBuilder);
                });

                FunctionReference = new FunctionReference(this, FunctionName, CurrentMethodLazy, new SafeMethodTypeInfo()
                {
                    IsStatic   = true,
                    ReturnType = ReturnType,
                    Parameters = ParameterTypes,
                })
                {
                    BodyFinalized = false,
                };

                FunctionScope.Push(FunctionName, FunctionReference);
            }

            // Just declaration
            if (FunctionDeclaration.FunctionBody == null)
            {
            }
            // Has function body.
            else
            {
                var CurrentMethod = (FunctionReference.MethodInfo as MethodBuilder);

                if (FunctionName == "main")
                {
                    //HasEntryPoint = true;

                    var StartupMethod = CurrentClass.DefineMethod(
                        "__startup",
                        MethodAttributes.Static | MethodAttributes.Public, CallingConventions.Standard,
                        typeof(int),
                        new Type[] { typeof(string[]) }
                        );

                    var StartupSafeILGenerator = new SafeILGenerator(StartupMethod.GetILGenerator(), CheckTypes: true, DoDebug: false, DoLog: false);
                    var ArgsArgument           = StartupSafeILGenerator.DeclareArgument(typeof(string[]), 0);

                    StartupSafeILGenerator.Push(CurrentClass);
                    StartupSafeILGenerator.Call((Func <RuntimeTypeHandle, Type>)Type.GetTypeFromHandle);
                    StartupSafeILGenerator.LoadArgument(ArgsArgument);
                    StartupSafeILGenerator.Call((Func <Type, string[], int>)CLibUtils.RunTypeMain);
                    //StartupSafeILGenerator.Call((Func<Type, string[], int>)CLibUtils.RunTypeMain);
                    StartupSafeILGenerator.Return(typeof(int));

                    EntryPoint = StartupMethod;
                    //EntryPoint = CurrentMethod;
                }

                var ILGenerator            = CurrentMethod.GetILGenerator();
                var CurrentSafeILGenerator = new SafeILGenerator(ILGenerator, CheckTypes: false, DoDebug: false, DoLog: true);

                AScope <VariableReference> .NewScope(ref this.VariableScope, () =>
                {
                    Scopable.RefScope(ref this.GotoContext, new LabelsContext(CurrentSafeILGenerator), () =>
                    {
                        Scopable.RefScope(ref this.CurrentMethod, CurrentMethod, () =>
                        {
                            Scopable.RefScope(ref this.SafeILGenerator, CurrentSafeILGenerator, () =>
                            {
                                // Set argument variables
                                ushort ArgumentIndex = 0;
                                foreach (var Parameter in FunctionDeclaration.CFunctionType.Parameters)
                                {
                                    var Argument = SafeILGenerator.DeclareArgument(ConvertCTypeToType(Parameter.CType), ArgumentIndex);
                                    this.VariableScope.Push(Parameter.Name, new VariableReference(Parameter.Name, Parameter.CType, Argument));
                                    ArgumentIndex++;
                                }

                                Traverse(FunctionDeclaration.FunctionBody);


                                if (FunctionDeclaration.FunctionBody.Statements.Length == 0 || !(FunctionDeclaration.FunctionBody.Statements.Last() is CParser.ReturnStatement))
                                //if (true)
                                {
                                    if (CurrentMethod.ReturnType != typeof(void))
                                    {
                                        SafeILGenerator.Push((int)0);
                                    }
                                    SafeILGenerator.Return(CurrentMethod.ReturnType);
                                }
                            });
#if SHOW_INSTRUCTIONS
                            Console.WriteLine("Code for '{0}':", FunctionName);
                            foreach (var Instruction in CurrentSafeILGenerator.GetEmittedInstructions())
                            {
                                Console.WriteLine("  {0}", Instruction);
                            }
#endif
                        });
                    });
                });

                FunctionReference.BodyFinalized = true;
            }
        }
Exemplo n.º 3
0
        public void TranslationUnit(CParser.TranslationUnit TranslationUnit)
        {
#if false
            try
            {
#endif
            PutDebugLine(TranslationUnit);

            try { File.Delete(OutFolder + "\\" + OutputName); }
            catch { }
            var ClassName = Path.GetFileNameWithoutExtension(OutputName);
            this.AssemblyBuilder = SafeAssemblyUtils.CreateAssemblyBuilder(ClassName, OutFolder);
            this.ModuleBuilder   = this.AssemblyBuilder.CreateModuleBuilder(OutputName);
            this.RootTypeBuilder = this.ModuleBuilder.DefineType(ClassName, TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.BeforeFieldInit);
            PendingTypesToCreate.Add(this.RootTypeBuilder);
            var InitializerBuilder = this.RootTypeBuilder.DefineTypeInitializer();
            var CurrentStaticInitializerSafeILGenerator = new SafeILGenerator(InitializerBuilder.GetILGenerator(), CheckTypes: false, DoDebug: false, DoLog: false);

            Scopable.RefScope(ref this.StaticInitializerSafeILGenerator, CurrentStaticInitializerSafeILGenerator, () =>
            {
                Scopable.RefScope(ref this.CurrentClass, this.RootTypeBuilder, () =>
                {
                    AScope <VariableReference> .NewScope(ref this.VariableScope, () =>
                    {
                        Traverse(TranslationUnit.Declarations);
                        this.StaticInitializerSafeILGenerator.Return(typeof(void));
                        //RootTypeBuilder.CreateType();

                        foreach (var FunctionReference in FunctionScope.GetAll())
                        {
                            if (!FunctionReference.BodyFinalized && FunctionReference.HasStartedBody)
                            {
                                Console.WriteLine("Function {0} without body", FunctionReference.Name);
                                var FakeSafeILGenerator = new SafeILGenerator((FunctionReference.MethodInfo as MethodBuilder).GetILGenerator(), CheckTypes: true, DoDebug: true, DoLog: false);
                                FakeSafeILGenerator.Push(String.Format("Not implemented '{0}'", FunctionReference.Name));
                                FakeSafeILGenerator.NewObject(typeof(NotImplementedException).GetConstructor(new Type[] { typeof(string) }));
                                FakeSafeILGenerator.Throw();
                            }
                        }

                        foreach (var TypeToCreate in PendingTypesToCreate)
                        {
                            TypeToCreate.CreateType();
                        }

                        if (EntryPoint != null)
                        {
                            this.AssemblyBuilder.SetEntryPoint(EntryPoint);
                        }
                        if (SaveAssembly)
                        {
                            // Copy the runtime.
                            var RuntimePath = typeof(CModuleAttribute).Assembly.Location;
                            try
                            {
                                File.Copy(RuntimePath, OutFolder + "\\" + Path.GetFileName(RuntimePath), overwrite: true);
                            }
                            catch
                            {
                            }

                            /*
                             * if (EntryPoint != null)
                             * {
                             *      OutputName = Path.GetFileNameWithoutExtension(OutputName) + ".exe";
                             * }
                             * else
                             * {
                             *      OutputName = Path.GetFileNameWithoutExtension(OutputName) + ".dll";
                             * }
                             */

#if false
                            Console.WriteLine("Writting to {0}", OutputName);
#endif
                            //this.AssemblyBuilder.Save(OutputName, PortableExecutableKinds.Required32Bit, ImageFileMachine.I386);
                            this.AssemblyBuilder.Save(OutputName, PortableExecutableKinds.ILOnly, ImageFileMachine.I386);
                        }
                    });
                });
            });
#if false
        }

        catch (Exception Exception)
        {
            if (ThrowException)
            {
                throw (Exception);
            }

            while (Exception.InnerException != null)
            {
                Exception = Exception.InnerException;
            }
            Console.Error.WriteLine("");
            Console.Error.WriteLine("LastPosition: {0}", LastPositionInfo);
            Console.Error.WriteLine("{0} : '{1}'", Exception.TargetSite, Exception.Message);
            if (Exception.StackTrace != null)
            {
                Console.Error.WriteLine("{0}", String.Join("\n", Exception.StackTrace.Split('\n').Take(4)));
                Console.Error.WriteLine("   ...");
            }
        }
#endif
        }