/// <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 a return value is not expected, generate only the side-effects. /*if (optimizationInfo.SuppressReturnValue == true) * { * this.GenerateSideEffects(generator, optimizationInfo); * return; * }*/ // Emit the condition. var condition = this.GetOperand(0); condition.GenerateCode(generator, optimizationInfo); // Convert the condition to a boolean. EmitConversion.ToBool(generator, condition.ResultType); // Branch if the condition is false. var startOfElse = generator.CreateLabel(); generator.BranchIfFalse(startOfElse); // Calculate the result type. var outputType = this.ResultType; // Emit the second operand and convert it to the result type. var operand2 = this.GetOperand(1); operand2.GenerateCode(generator, optimizationInfo); EmitConversion.Convert(generator, operand2.ResultType, outputType, optimizationInfo); // Branch to the end. var end = generator.CreateLabel(); generator.Branch(end); generator.DefineLabelPosition(startOfElse); // Emit the third operand and convert it to the result type. var operand3 = this.GetOperand(2); operand3.GenerateCode(generator, optimizationInfo); EmitConversion.Convert(generator, operand3.ResultType, outputType, optimizationInfo); // Define the end label. generator.DefineLabelPosition(end); }
public static ILGenerator BranchIfFalse(this ILGenerator generator, string labelName) => generator.BranchIfFalse(generator.GetOrCreateLabel(labelName));