Пример #1
0
 /// <summary>
 /// Internal! This is used by the Installer to create new classes.
 /// </summary>
 /// <param name="runtime">Smalltalk runtime this class is part of.</param>
 /// <param name="name">Name of the class.</param>
 /// <param name="superclass">Optional binding to the class' superclass.</param>
 /// <param name="instanceState">State of the class' instances (named, object-indexable, byte-indexable).</param>
 /// <param name="instanceVariables">Instance variables bindings. Those are initially not initialized.</param>
 /// <param name="classVariables">Class variable binding.</param>
 /// <param name="classInstanceVariables">Class-instance variables bindings. Those are initially not initialized.</param>
 /// <param name="importedPools">Collection of pools that are imported by the class.</param>
 /// <param name="instanceMethods">Collection with the methods defining the instance behaviors.</param>
 /// <param name="classMethods">Collection with the methods defining the class behaviors.</param>
 public SmalltalkClass(SmalltalkRuntime runtime, Symbol name, ClassBinding superclass, InstanceStateEnum instanceState,
                       BindingDictionary <InstanceVariableBinding> instanceVariables, DiscreteBindingDictionary <ClassVariableBinding> classVariables,
                       BindingDictionary <ClassInstanceVariableBinding> classInstanceVariables, DiscreteBindingDictionary <PoolBinding> importedPools,
                       InstanceMethodDictionary instanceMethods, ClassMethodDictionary classMethods)
 {
     if (runtime == null)
     {
         throw new ArgumentNullException("runtime");
     }
     if ((name == null) || (name.Value.Length == 0))
     {
         throw new ArgumentNullException("name");
     }
     if (!SmalltalkClass.ValidateIdentifiers <InstanceVariableBinding>(instanceVariables))
     {
         throw new ArgumentException("Invalid or duplicate instance variable name found", "instanceVariables");
     }
     if (!SmalltalkClass.ValidateIdentifiers <ClassVariableBinding>(classVariables))
     {
         throw new ArgumentException("Invalid or duplicate class variable name found", "classVariables");
     }
     if (!SmalltalkClass.ValidateIdentifiers <ClassInstanceVariableBinding>(classInstanceVariables))
     {
         throw new ArgumentException("Invalid or duplicate class instance variable name found", "classInstanceVariables");
     }
     if (!SmalltalkClass.ValidateIdentifiers <PoolBinding>(importedPools))
     {
         throw new ArgumentException("Invalid or duplicate imported pool name found", "importedPools");
     }
     if (!SmalltalkClass.CheckDuplicates <InstanceVariableBinding, ClassVariableBinding>(instanceVariables, classVariables))
     {
         throw new ArgumentException("Duplicate instance or class variable name. Instance and class variable names must be unique.");
     }
     if (!SmalltalkClass.CheckDuplicates <ClassInstanceVariableBinding, ClassVariableBinding>(classInstanceVariables, classVariables))
     {
         throw new ArgumentException("Duplicate class-instance or class variable name. Class-instance and class variable names must be unique.");
     }
     this.Runtime = runtime;
     this.ClassInstanceVariableBindings = classInstanceVariables ?? new BindingDictionary <ClassInstanceVariableBinding>(this.Runtime, 1);
     this.ClassBehavior            = classMethods ?? new ClassMethodDictionary(this.Runtime);
     this.ClassVariableBindings    = classVariables ?? new DiscreteBindingDictionary <ClassVariableBinding>(this.Runtime, 1);
     this.ImportedPoolBindings     = importedPools ?? new DiscreteBindingDictionary <PoolBinding>(this.Runtime, 1);
     this.InstanceBehavior         = instanceMethods ?? new InstanceMethodDictionary(this.Runtime);
     this.InstanceState            = instanceState;
     this.InstanceVariableBindings = instanceVariables ?? new BindingDictionary <InstanceVariableBinding>(this.Runtime, 1);
     this.Name = name;
     this.SuperclassBinding      = superclass; // Null is OK .... Object has null
     this.InstanceSize           = 0;
     this.ClassInstanceSize      = 0;
     this.ClassInstanceVariables = new object[0];
 }
Пример #2
0
        public static void CreateClass(SmalltalkRuntime runtime, SmalltalkNameScope scope, ClassBinding binding, string superclassName,
                                       SmalltalkClass.InstanceStateEnum instanceState, string[] classVarNames, string[] instVarNames, string[] classInstVarNames, string[] importedPools,
                                       Func <SmalltalkClass, Dictionary <Symbol, CompiledMethod> > classMethodDicInitializer, Func <SmalltalkClass, Dictionary <Symbol, CompiledMethod> > instanceMethodDicInitializer)
        {
            if (runtime == null)
            {
                throw new ArgumentNullException("runtime");
            }
            if (scope == null)
            {
                throw new ArgumentNullException("scope");
            }
            if (binding == null)
            {
                throw new ArgumentNullException("binding");
            }
            if (classMethodDicInitializer == null)
            {
                throw new ArgumentNullException("classMethodDicInitializer");
            }
            if (instanceMethodDicInitializer == null)
            {
                throw new ArgumentNullException("instanceMethodDicInitializer");
            }
            // 3. Prepare stuff ....
            ClassBinding superclass;

            if (String.IsNullOrWhiteSpace(superclassName))
            {
                superclass = null; // Object has no superclass
            }
            else
            {
                superclass = scope.GetClassBinding(superclassName);
                if (superclass == null)
                {
                    throw new InvalidOperationException("Should have found a binding for the superclass");
                }
            }

            // Create the collection of class, class-instance, instance variables and imported pools
            BindingDictionary <InstanceVariableBinding>      instVars      = new BindingDictionary <InstanceVariableBinding>(runtime);
            DiscreteBindingDictionary <ClassVariableBinding> classVars     = new DiscreteBindingDictionary <ClassVariableBinding>(runtime, ((classVarNames == null) ? 0 : classVarNames.Length));
            BindingDictionary <ClassInstanceVariableBinding> classInstVars = new BindingDictionary <ClassInstanceVariableBinding>(runtime);
            DiscreteBindingDictionary <PoolBinding>          pools         = new DiscreteBindingDictionary <PoolBinding>(runtime);

            // Add class variable names ...
            if (classVarNames != null)
            {
                foreach (string identifier in classVarNames)
                {
                    Symbol varName = runtime.GetSymbol(identifier);
                    classVars.Add(new ClassVariableBinding(varName));
                }
            }
            // Add instance variable names ...
            if (instVarNames != null)
            {
                foreach (string identifier in instVarNames)
                {
                    Symbol varName = runtime.GetSymbol(identifier);
                    instVars.Add(new InstanceVariableBinding(varName));
                }
            }
            // Add class instance variable names ...
            if (classInstVarNames != null)
            {
                foreach (string identifier in classInstVarNames)
                {
                    Symbol varName = runtime.GetSymbol(identifier);
                    classInstVars.Add(new ClassInstanceVariableBinding(varName));
                }
            }
            // Add imported pool names ...
            if (importedPools != null)
            {
                foreach (string identifier in importedPools)
                {
                    Symbol      varName = runtime.GetSymbol(identifier);
                    PoolBinding pool    = scope.GetPoolBinding(varName);
                    if (pool == null)
                    {
                        throw new InvalidOperationException(String.Format("Should have found a binding for pool {0}", identifier));
                    }
                    pools.Add(pool);
                }
            }
            // Create method dictionaries
            MethodDictionaryInitializer clsMthInitializer  = new MethodDictionaryInitializer(classMethodDicInitializer);
            MethodDictionaryInitializer instMthInitializer = new MethodDictionaryInitializer(instanceMethodDicInitializer);
            ClassMethodDictionary       classMethods       = new ClassMethodDictionary(runtime, clsMthInitializer.Initialize);
            InstanceMethodDictionary    instanceMethods    = new InstanceMethodDictionary(runtime, instMthInitializer.Initialize);

            // 4. Finally, create the behavior object
            SmalltalkClass cls = new SmalltalkClass(runtime, binding.Name, superclass, instanceState, instVars, classVars, classInstVars, pools, instanceMethods, classMethods);

            clsMthInitializer.Class  = cls;
            instMthInitializer.Class = cls;
            binding.SetValue(cls);
        }