C#高级应用之CodeDomProvider类

https://msdn.microsoft.com/en-us/library/microsoft.csharp.csharpcodeprovider.aspx

using System;using System.IO;using System.Globalization;using System.CodeDom.Compiler;using System.Text;using Microsoft.CSharp;using Microsoft.VisualBasic;namespace CodeProviders{class CompileSample{        [STAThread]        static void Main(string[] args)        {            if (args.Length > 0)            {                //  First parameter is the source file name.                if (File.Exists(args[0]))                {                    CompileExecutable(args[0]);                }                else                 {                    Console.WriteLine("Input source file not found - {0}",                        args[0]);                }            }            else             {                Console.WriteLine("Input source file not specified on command line!");            }        }        public static bool CompileExecutable(String sourceName)        {            FileInfo sourceFile = new FileInfo(sourceName);            CodeDomProvider provider = null;            bool compileOk = false;            // Select the code provider based on the input file extension.            if (sourceFile.Extension.ToUpper(CultureInfo.InvariantCulture) == ".CS")            {                provider = CodeDomProvider.CreateProvider("CSharp");            }            else if (sourceFile.Extension.ToUpper(CultureInfo.InvariantCulture) == ".VB")            {                provider = CodeDomProvider.CreateProvider("VisualBasic");            }            else             {                Console.WriteLine("Source file must have a .cs or .vb extension");            }            if (provider != null)            {                // Format the executable file name.                // Build the output assembly path using the current directory                // and <source>_cs.exe or <source>_vb.exe.                String exeName = String.Format(@"{0}\{1}.exe",                     System.Environment.CurrentDirectory,                     sourceFile.Name.Replace(".", "_"));                CompilerParameters cp = new CompilerParameters();                // Generate an executable instead of                 // a class library.                cp.GenerateExecutable = true;                // Specify the assembly file name to generate.                cp.OutputAssembly = exeName;                // Save the assembly as a physical file.                cp.GenerateInMemory = false;                // Set whether to treat all warnings as errors.                cp.TreatWarningsAsErrors = false;                // Invoke compilation of the source file.                CompilerResults cr = provider.CompileAssemblyFromFile(cp,                     sourceName);                if(cr.Errors.Count > 0)                {                    // Display compilation errors.                    Console.WriteLine("Errors building {0} into {1}",                          sourceName, cr.PathToAssembly);                    foreach(CompilerError ce in cr.Errors)                    {                        Console.WriteLine("  {0}", ce.ToString());                        Console.WriteLine();                    }                }                else                {                    // Display a successful compilation message.                    Console.WriteLine("Source {0} built into {1} successfully.",                        sourceName, cr.PathToAssembly);                }                // Return the results of the compilation.                if (cr.Errors.Count > 0)                {                    compileOk = false;                }                else                 {                    compileOk = true;                }            }            return compileOk;        }}}