/// <summary>
/// Create the class object (and sets the value of the binding).
/// </summary>
/// <param name="installer">Context within which the class is to be created.</param>
/// <returns>Returns true if successful, otherwise false.</returns>
protected internal override bool CreateGlobalObject(IDefinitionInstallerContext installer)
{
if (installer == null)
{
throw new ArgumentNullException();
}
// 1. Get the binding to the global
Symbol name = installer.Runtime.GetSymbol(this.Name.Value);
ClassBinding binding = installer.GetLocalClassBinding(name);
// 2. Check consistency that we didn't mess up in the implementation.
if (binding == null)
{
throw new InvalidOperationException("Should have found a binding, because CreateGlobalBinding() created it!");
}
if (binding.Value != null)
{
throw new InvalidOperationException("Should be an empty binding, because CreateGlobalBinding() complained if one already existed!");
}
// 3. Prepare stuff ....
SmalltalkClass.InstanceStateEnum instanceState = this.InstanceState.Value;
ClassBinding superclass;
if (this.SuperclassName.Value.Length == 0)
{
superclass = null; // Object has no superclass
}
else
{
superclass = installer.GetClassBinding(this.SuperclassName.Value);
if (superclass == null)
{
return(installer.ReportError(this.SuperclassName, InstallerErrors.ClassInvalidSuperclass));
}
}
// Create the collection of class, class-instance, instance variables and imported pools
BindingDictionary <InstanceVariableBinding> instVars = new BindingDictionary <InstanceVariableBinding>(installer.Runtime);
DiscreteBindingDictionary <ClassVariableBinding> classVars = new DiscreteBindingDictionary <ClassVariableBinding>(installer.Runtime, this.ClassVariableNames.Count());
BindingDictionary <ClassInstanceVariableBinding> classInstVars = new BindingDictionary <ClassInstanceVariableBinding>(installer.Runtime);
DiscreteBindingDictionary <PoolBinding> pools = new DiscreteBindingDictionary <PoolBinding>(installer.Runtime);
// Validate class variable names ...
foreach (SourceReference <string> identifier in this.ClassVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
{
return(installer.ReportError(identifier, InstallerErrors.ClassClassVariableNotIdentifier));
}
if (classVars.Any <ClassVariableBinding>(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassClassVariableNotUnique));
}
classVars.Add(new ClassVariableBinding(varName));
}
// Validate instance variable names ...
foreach (SourceReference <string> identifier in this.InstanceVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
{
return(installer.ReportError(identifier, InstallerErrors.ClassInstanceVariableNotIdentifier));
}
if (((IEnumerable <InstanceVariableBinding>)instVars).Any(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassInstanceVariableNotUnique));
}
if (classVars.Any <ClassVariableBinding>(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassInstanceOrClassVariableNotUnique));
}
instVars.Add(new InstanceVariableBinding(varName));
}
// Validate class instance variable names ...
foreach (SourceReference <string> identifier in this.ClassInstanceVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
{
return(installer.ReportError(identifier, InstallerErrors.ClassClassInstanceVariableNotIdentifier));
}
if (classInstVars.Any <ClassInstanceVariableBinding>(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassClassInstanceVariableNotUnique));
}
if (classVars.Any <ClassVariableBinding>(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassClassInstanceOrClassVariableNotUnique));
}
classInstVars.Add(new ClassInstanceVariableBinding(varName));
}
// Validate imported pool names ...
foreach (SourceReference <string> identifier in this.ImportedPoolNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
{
return(installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotIdentifier));
}
if (pools.Any <PoolBinding>(varBinding => varBinding.Name == varName))
{
return(installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotUnique));
}
PoolBinding pool = installer.GetPoolBinding(varName);
if (pool == null)
{
return(installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotDefined));
}
pools.Add(pool);
}
// 4. Finally, create the behavior object
binding.SetValue(new SmalltalkClass(
installer.Runtime, binding.Name, superclass, instanceState, instVars, classVars, classInstVars, pools));
return(true);
}
/// <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];
}
/// <summary>
/// Create the class object (and sets the value of the binding).
/// </summary>
/// <param name="installer">Context within which the class is to be created.</param>
/// <returns>Returns true if successful, otherwise false.</returns>
protected internal override bool CreateGlobalObject(IInstallerContext installer)
{
if (installer == null)
throw new ArgumentNullException();
// 1. Get the binding to the global
Symbol name = installer.Runtime.GetSymbol(this.Name.Value);
ClassBinding binding = installer.GetLocalClassBinding(name);
// 2. Check consistency that we didn't mess up in the implementation.
if (binding == null)
throw new InvalidOperationException("Should have found a binding, because CreateGlobalBinding() created it!");
if (binding.Value != null)
throw new InvalidOperationException("Should be an empty binding, because CreateGlobalBinding() complained if one already existed!");
// 3. Prepare stuff ....
SmalltalkClass.InstanceStateEnum instanceState = this.InstanceState.Value;
ClassBinding superclass;
if (this.SuperclassName.Value.Length == 0)
{
superclass = null; // Object has no superclass
}
else
{
superclass = installer.GetClassBinding(this.SuperclassName.Value);
if (superclass == null)
return installer.ReportError(this.SuperclassName, InstallerErrors.ClassInvalidSuperclass);
}
// Create the collection of class, class-instance, instance variables and imported pools
BindingDictionary<InstanceVariableBinding> instVars = new BindingDictionary<InstanceVariableBinding>(installer.Runtime);
DiscreteBindingDictionary<ClassVariableBinding> classVars = new DiscreteBindingDictionary<ClassVariableBinding>(installer.Runtime, this.ClassVariableNames.Count());
BindingDictionary<ClassInstanceVariableBinding> classInstVars = new BindingDictionary<ClassInstanceVariableBinding>(installer.Runtime);
DiscreteBindingDictionary<PoolBinding> pools = new DiscreteBindingDictionary<PoolBinding>(installer.Runtime);
// Validate class variable names ...
foreach (SourceReference<string> identifier in this.ClassVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
return installer.ReportError(identifier, InstallerErrors.ClassClassVariableNotIdentifier);
if (classVars.Any<ClassVariableBinding>(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassClassVariableNotUnique);
classVars.Add(new ClassVariableBinding(varName));
}
// Validate instance variable names ...
foreach (SourceReference<string> identifier in this.InstanceVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
return installer.ReportError(identifier, InstallerErrors.ClassInstanceVariableNotIdentifier);
if (((IEnumerable<InstanceVariableBinding>) instVars).Any(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassInstanceVariableNotUnique);
if (classVars.Any<ClassVariableBinding>(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassInstanceOrClassVariableNotUnique);
instVars.Add(new InstanceVariableBinding(varName));
}
// Validate class instance variable names ...
foreach (SourceReference<string> identifier in this.ClassInstanceVariableNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
return installer.ReportError(identifier, InstallerErrors.ClassClassInstanceVariableNotIdentifier);
if (classInstVars.Any<ClassInstanceVariableBinding>(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassClassInstanceVariableNotUnique);
if (classVars.Any<ClassVariableBinding>(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassClassInstanceOrClassVariableNotUnique);
classInstVars.Add(new ClassInstanceVariableBinding(varName));
}
// Validate imported pool names ...
foreach (SourceReference<string> identifier in this.ImportedPoolNames)
{
Symbol varName = installer.Runtime.GetSymbol(identifier.Value);
if (!IronSmalltalk.Common.Utilities.ValidateIdentifier(identifier.Value))
return installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotIdentifier);
if (pools.Any<PoolBinding>(varBinding => varBinding.Name == varName))
return installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotUnique);
PoolBinding pool = installer.GetPoolBinding(varName);
if (pool == null)
return installer.ReportError(identifier, InstallerErrors.ClassImportedPoolNotDefined);
pools.Add(pool);
}
// 4. Finally, create the behavior object
binding.SetValue(new SmalltalkClass(
installer.Runtime, binding.Name, superclass, instanceState, instVars, classVars, classInstVars, pools));
return true;
}
/// <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>
public SmalltalkClass(SmalltalkRuntime runtime, Symbol name, ClassBinding superclass, InstanceStateEnum instanceState,
BindingDictionary <InstanceVariableBinding> instanceVariables, DiscreteBindingDictionary <ClassVariableBinding> classVariables,
BindingDictionary <ClassInstanceVariableBinding> classInstanceVariables, DiscreteBindingDictionary <PoolBinding> importedPools)
: this(runtime, name, superclass, instanceState, instanceVariables, classVariables, classInstanceVariables, importedPools, null, null)
{
}
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);
}
