/// <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) { // Special-case the delete operator. if (this.OperatorType == OperatorType.Delete) { GenerateDelete(generator, optimizationInfo); return; } // If a return value is not expected, generate only the side-effects. /*if (optimizationInfo.SuppressReturnValue == true) { this.GenerateSideEffects(generator, optimizationInfo); return; }*/ // Special-case the typeof operator. if (this.OperatorType == OperatorType.Typeof) { GenerateTypeof(generator, optimizationInfo); return; } // Load the operand onto the stack. this.Operand.GenerateCode(generator, optimizationInfo); // Convert the operand to the correct type. switch (this.OperatorType) { case OperatorType.Plus: case OperatorType.Minus: EmitConversion.ToNumber(generator, this.Operand.ResultType); break; case OperatorType.BitwiseNot: EmitConversion.ToInt32(generator, this.Operand.ResultType); break; case OperatorType.LogicalNot: EmitConversion.ToBool(generator, this.Operand.ResultType); break; } // Apply the operator. switch (this.OperatorType) { case OperatorType.Plus: break; case OperatorType.Minus: generator.Negate(); break; case OperatorType.BitwiseNot: generator.BitwiseNot(); break; case OperatorType.LogicalNot: generator.LoadBoolean(false); generator.CompareEqual(); break; case OperatorType.Void: generator.Pop(); EmitHelpers.EmitUndefined(generator); break; default: throw new NotImplementedException(string.Format("Unsupported operator {0}", this.OperatorType)); } }
/// <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) { // Special-case the delete operator. if (this.OperatorType == OperatorType.Delete) { GenerateDelete(generator, optimizationInfo); return; } // If a return value is not expected, generate only the side-effects. /*if (optimizationInfo.SuppressReturnValue == true) * { * this.GenerateSideEffects(generator, optimizationInfo); * return; * }*/ // Special-case the typeof operator. if (this.OperatorType == OperatorType.Typeof) { GenerateTypeof(generator, optimizationInfo); return; } // Load the operand onto the stack. this.Operand.GenerateCode(generator, optimizationInfo); // Convert the operand to the correct type. switch (this.OperatorType) { case OperatorType.Plus: case OperatorType.Minus: EmitConversion.ToNumber(generator, this.Operand.ResultType); break; case OperatorType.BitwiseNot: EmitConversion.ToInt32(generator, this.Operand.ResultType); break; case OperatorType.LogicalNot: EmitConversion.ToBool(generator, this.Operand.ResultType); break; } // Apply the operator. switch (this.OperatorType) { case OperatorType.Plus: break; case OperatorType.Minus: generator.Negate(); break; case OperatorType.BitwiseNot: generator.BitwiseNot(); break; case OperatorType.LogicalNot: generator.LoadBoolean(false); generator.CompareEqual(); break; case OperatorType.Void: generator.Pop(); EmitHelpers.EmitUndefined(generator); break; default: throw new NotImplementedException(string.Format("Unsupported operator {0}", this.OperatorType)); } }