abstract private GenerateScopeCreation ( |
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generator | The generator to output the CIL to. | |
optimizationInfo | Information about any optimizations that should be performed. | |
리턴 | void |
/// <summary> /// Generates CIL for the statement. /// </summary> /// <param name="generator"> The generator to output the CIL to. </param> /// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param> public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo) { // Generate code for the start of the statement. var statementLocals = new StatementLocals() { NonDefaultSourceSpanBehavior = true }; GenerateStartOfStatement(generator, optimizationInfo, statementLocals); // Generate scope creation. Scope.GenerateScopeCreation(generator, optimizationInfo); Scope.GenerateHoistedDeclarations(generator, optimizationInfo); foreach (var statement in this.Statements) { // Generate code for the statement. statement.GenerateCode(generator, optimizationInfo); } // Generate code for the end of the statement. GenerateEndOfStatement(generator, optimizationInfo, statementLocals); }
/// <summary> /// Generates CIL for the expression. /// </summary> /// <param name="generator"> The generator to output the CIL to. </param> /// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param> public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo) { // If the class was named, then we need to create a new scope to hold the name. if (Name != null) { Scope.GenerateScopeCreation(generator, optimizationInfo); } // engine EmitHelpers.LoadScriptEngine(generator); // name generator.LoadStringOrNull(this.Name); // extends if (Extends == null) { generator.LoadNull(); } else { Extends.GenerateCode(generator, optimizationInfo); EmitConversion.ToAny(generator, Extends.ResultType); } // constructor if (Constructor == null) { generator.LoadNull(); } else { Constructor.GenerateCode(generator, optimizationInfo); } // ConstructClass(ScriptEngine engine, string name, object extends, FunctionInstance constructor) generator.CallStatic(ReflectionHelpers.ReflectionHelpers_ConstructClass); // Create a variable to hold the container instance value. var containerVariable = generator.CreateTemporaryVariable(typeof(ObjectInstance)); foreach (var member in this.Members) { // class.InstancePrototype generator.Duplicate(); if (!member.Name.IsStatic) { generator.Call(ReflectionHelpers.FunctionInstance_InstancePrototype); } // Store this in a variable so that FunctionExpression.GenerateCode can retrieve it. generator.Duplicate(); generator.StoreVariable(containerVariable); // The key can be a property name or an expression that evaluates to a name. if (member.Name.HasStaticName) { generator.LoadString(member.Name.StaticName); } else { member.Name.ComputedName.GenerateCode(generator, optimizationInfo); EmitConversion.ToPropertyKey(generator, member.Name.ComputedName.ResultType); } // Emit the function value. member.ContainerVariable = containerVariable; member.GenerateCode(generator, optimizationInfo); member.ContainerVariable = null; if (member.Name.IsGetter) { // Add a getter to the object. generator.Call(ReflectionHelpers.ReflectionHelpers_SetClassGetter); } else if (member.Name.IsSetter) { // Add a setter to the object. generator.Call(ReflectionHelpers.ReflectionHelpers_SetClassSetter); } else { // Add a new property to the object. generator.Call(ReflectionHelpers.ReflectionHelpers_SetClassValue); } } // Release the variable that we created above. generator.ReleaseTemporaryVariable(containerVariable); // Store the class name in the scope. if (Name != null) { generator.Duplicate(); new NameExpression(Scope, Name).GenerateSet(generator, optimizationInfo, PrimitiveType.Object); } }