RrotorCodeGenerator.cs

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// -------------------------------------------------------------------------- 
// Project rROTOR                                                             
// -------------------------------------------------------------------------- 
// File: RrotorCodeGenerator.cs                                                     
// Author: Francisco Ortin  -  francisco.ortin@gmail.com                    
// Description:                                                               
//    This class encapsulates the IL CLR code generator IL.   
//    Inheritance: CodeGenerator
//    Implements Factory method  [Abstract Product].       
// -------------------------------------------------------------------------- 
// Create date: 21-08-2007                                                    
// Modification date: 21-08-2007                                              

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

using TypeSystem;

namespace CodeGeneration {
    class RrotorCodeGenerator : ILCodeGenerator {
        #region Constructor
        public RrotorCodeGenerator(TextWriter writer)
            : base(writer) {
        }
        #endregion

        #region UnboxAny
        // Unbox <token>
        // Revert a boxed value type instance from the object form to its value type form. <token> specifies the value type being converted and must be a valid TypeDef or TypeRef token. 
        // This instruction takes an object reference from the stack and puts a managed pointer to the value type instance on the stack.

        public override void UnboxAny(int indent, TypeExpression type) {
            this.ilStamentsCodeGeneration.WriteIndentation(indent);
            this.ilStamentsCodeGeneration.WriteLine("Unbox\t{0}", type.ILType());
            this.ilStamentsCodeGeneration.WriteLine("ldobj\t{0}", type.ILType());
        }
        #endregion

        #region CallVirt <token>
        // CallVirt <token>
        // Call the virtual method specified by <token>. 

        public override void CallVirt(int indent, MethodType memberType, TypeExpression klass, string member, AST.CompoundExpression arguments) {
            this.ilStamentsCodeGeneration.WriteIndentation(indent);
            this.ilStamentsCodeGeneration.Write("CallVirt\t");
            this.WriteCall(memberType, klass, member, arguments);
            this.ilStamentsCodeGeneration.WriteLine();
        }
        #endregion
    }
}