CompilerInfo Klas

Definitie

Vertegenwoordigt de configuratie-instellingen van een taalprovider. Deze klasse kan niet worden overgenomen.

public ref class CompilerInfo sealed
public sealed class CompilerInfo
type CompilerInfo = class
Public NotInheritable Class CompilerInfo
Overname
CompilerInfo

Voorbeelden

In het volgende codevoorbeeld worden configuratie-instellingen voor taalproviders weergegeven. Opdrachtregelargumenten worden gebruikt om een taal, bestandsnaamextensie of providertype op te geven. Voor de opgegeven invoer bepaalt het voorbeeld de bijbehorende taalprovider en worden de geconfigureerde instellingen voor de taalcompilatie weergegeven.

// Command-line argument examples:
//      - Displays Visual Basic, C#, and JScript compiler settings.
//   <exe_name> Language CSharp
//      - Displays the compiler settings for C#.
//   <exe_name> All
//      - Displays settings for all configured compilers.
//   <exe_name> Config Pascal
//      - Displays settings for configured Pascal language provider,
//        if one exists.
//   <exe_name> Extension .vb
//      - Displays settings for the compiler associated with the .vb
//        file extension.

using System;
using System.Globalization;
using System.CodeDom;
using System.CodeDom.Compiler;
using Microsoft.CSharp;
using Microsoft.VisualBasic;

namespace CodeDomCompilerInfoSample
{
    class CompilerInfoSample
    {
        [STAThread]
        static void Main(string[] args)
        {
            String queryCommand = "";
            String queryArg = "";
            int iNumArguments = args.Length;

            // Get input command-line arguments.
            if (iNumArguments > 0)
            {
                queryCommand = args[0].ToUpper(CultureInfo.InvariantCulture);

                if (iNumArguments > 1)
                {
                    queryArg = args[1];
                }
            }

            // Determine which method to call.

            Console.WriteLine();
            switch(queryCommand)
            {
                case ("LANGUAGE"):
                    // Display compiler information for input language.
                    DisplayCompilerInfoForLanguage(queryArg);
                    break;

                case ("EXTENSION"):
                    // Display compiler information for input file extension.
                    DisplayCompilerInfoUsingExtension(queryArg);
                    break;

                case ("CONFIG"):
                    // Display settings for the configured language provider.
                    DisplayCompilerInfoForConfigLanguage(queryArg);
                    break;

                case ("ALL"):
                    // Display compiler information for all configured
                    // language providers.
                    DisplayAllCompilerInfo();
                    break;

                default:
                    // There was no command-line argument, or the
                    // command-line argument was not recognized.
                    // Display the C#, Visual Basic and JScript
                    // compiler information.

                    DisplayCSharpCompilerInfo();
                    DisplayVBCompilerInfo();
                    DisplayJScriptCompilerInfo();
                    break;
            }
        }

        static void DisplayCSharpCompilerInfo()
        {
            // Get the provider for Microsoft.CSharp
            CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");

            // Display the C# language provider information.
            Console.WriteLine("CSharp provider is {0}",
                provider.ToString());
            Console.WriteLine("  Provider hash code:     {0}",
                provider.GetHashCode().ToString());
            Console.WriteLine("  Default file extension: {0}",
                provider.FileExtension);

            Console.WriteLine();
        }

        static void DisplayVBCompilerInfo()
        {
            // Get the provider for Microsoft.VisualBasic
            CodeDomProvider provider = CodeDomProvider.CreateProvider("VisualBasic");

            // Display the Visual Basic language provider information.
            Console.WriteLine("Visual Basic provider is {0}",
                provider.ToString());
            Console.WriteLine("  Provider hash code:     {0}",
                provider.GetHashCode().ToString());
            Console.WriteLine("  Default file extension: {0}",
                provider.FileExtension);

            Console.WriteLine();
        }

        static void DisplayJScriptCompilerInfo()
        {
            // Get the provider for JScript.
            CodeDomProvider provider;

            try
            {
                provider = CodeDomProvider.CreateProvider("js");

                // Display the JScript language provider information.
                Console.WriteLine("JScript language provider is {0}",
                    provider.ToString());
                Console.WriteLine("  Provider hash code:     {0}",
                    provider.GetHashCode().ToString());
                Console.WriteLine("  Default file extension: {0}",
                    provider.FileExtension);
                Console.WriteLine();
            }
            catch (System.Configuration.ConfigurationException)
            {
                // The JScript language provider was not found.
                Console.WriteLine("There is no configured JScript language provider.");
            }
        }

        static void DisplayCompilerInfoUsingExtension(string fileExtension)
        {
            if (fileExtension[0] != '.')
            {
                fileExtension = "." + fileExtension;
            }

            // Get the language associated with the file extension.
            if (CodeDomProvider.IsDefinedExtension(fileExtension))
            {
                CodeDomProvider provider;
                String language = CodeDomProvider.GetLanguageFromExtension(fileExtension);

                Console.WriteLine("The language \"{0}\" is associated with file extension \"{1}\"",
                    language, fileExtension);
                Console.WriteLine();

                // Next, check for a corresponding language provider.

                if (CodeDomProvider.IsDefinedLanguage(language))
                {
                    provider = CodeDomProvider.CreateProvider(language);

                    // Display information about this language provider.

                    Console.WriteLine("Language provider:  {0}",
                        provider.ToString());
                    Console.WriteLine();

                    // Get the compiler settings for this language.

                    CompilerInfo langCompilerInfo = CodeDomProvider.GetCompilerInfo(language);
                    CompilerParameters langCompilerConfig = langCompilerInfo.CreateDefaultCompilerParameters();

                    Console.WriteLine("  Compiler options:        {0}",
                        langCompilerConfig.CompilerOptions);
                    Console.WriteLine("  Compiler warning level:  {0}",
                        langCompilerConfig.WarningLevel);
                }
            }
            else
            {
                // Tell the user that the language provider was not found.
                Console.WriteLine("There is no language provider associated with input file extension \"{0}\".",
                    fileExtension);
            }
        }

        static void DisplayCompilerInfoForLanguage(string language)
        {
            CodeDomProvider provider;

            // Check for a provider corresponding to the input language.
            if (CodeDomProvider.IsDefinedLanguage(language))
            {
                provider = CodeDomProvider.CreateProvider(language);

                // Display information about this language provider.

                Console.WriteLine("Language provider:  {0}",
                    provider.ToString());
                Console.WriteLine();
                Console.WriteLine("  Default file extension:  {0}",
                    provider.FileExtension);
                Console.WriteLine();

                // Get the compiler settings for this language.

                CompilerInfo langCompilerInfo = CodeDomProvider.GetCompilerInfo(language);
                CompilerParameters langCompilerConfig = langCompilerInfo.CreateDefaultCompilerParameters();

                Console.WriteLine("  Compiler options:        {0}",
                    langCompilerConfig.CompilerOptions);
                Console.WriteLine("  Compiler warning level:  {0}",
                    langCompilerConfig.WarningLevel);
            }
            else
            {
                // Tell the user that the language provider was not found.
                Console.WriteLine("There is no provider configured for input language \"{0}\".",
                    language);
            }
        }

        static void DisplayCompilerInfoForConfigLanguage(string configLanguage)
        {
            CompilerInfo info = CodeDomProvider.GetCompilerInfo(configLanguage);

            // Check whether there is a provider configured for this language.
            if (info.IsCodeDomProviderTypeValid)
            {
                // Get a provider instance using the configured type information.
                CodeDomProvider provider;
                provider = (CodeDomProvider)Activator.CreateInstance(info.CodeDomProviderType);

                // Display information about this language provider.
                Console.WriteLine("Language provider:  {0}",
                    provider.ToString());
                Console.WriteLine();
                Console.WriteLine("  Default file extension:  {0}",
                    provider.FileExtension);
                Console.WriteLine();

                // Get the compiler settings for this language.

                CompilerParameters langCompilerConfig = info.CreateDefaultCompilerParameters();

                Console.WriteLine("  Compiler options:        {0}",
                    langCompilerConfig.CompilerOptions);
                Console.WriteLine("  Compiler warning level:  {0}",
                    langCompilerConfig.WarningLevel);
            }
            else
            {
                // Tell the user that the language provider was not found.
                Console.WriteLine("There is no provider configured for input language \"{0}\".",
                    configLanguage);
            }
        }

        static void DisplayAllCompilerInfo()
        {
            CompilerInfo [] allCompilerInfo = CodeDomProvider.GetAllCompilerInfo();
            foreach (CompilerInfo info in allCompilerInfo)
            {
                String defaultLanguage;
                String defaultExtension;

                CodeDomProvider provider = info.CreateProvider();

                // Display information about this configured provider.

                Console.WriteLine("Language provider:  {0}",
                    provider.ToString());
                Console.WriteLine();

                Console.WriteLine("  Supported file extension(s):");
                foreach(String extension in info.GetExtensions())
                {
                    Console.WriteLine("    {0}", extension);
                }

                defaultExtension = provider.FileExtension;
                if (defaultExtension[0] != '.')
                {
                    defaultExtension = "." + defaultExtension;
                }
                Console.WriteLine("  Default file extension:  {0}",
                    defaultExtension);
                Console.WriteLine();

                Console.WriteLine("  Supported language(s):");
                foreach(String language in info.GetLanguages())
                {
                    Console.WriteLine("    {0}", language);
                }

                defaultLanguage = CodeDomProvider.GetLanguageFromExtension(defaultExtension);
                Console.WriteLine("  Default language:        {0}",
                    defaultLanguage);
                Console.WriteLine();

                // Get the compiler settings for this provider.
                CompilerParameters langCompilerConfig = info.CreateDefaultCompilerParameters();

                Console.WriteLine("  Compiler options:        {0}",
                    langCompilerConfig.CompilerOptions);
                Console.WriteLine("  Compiler warning level:  {0}",
                    langCompilerConfig.WarningLevel);
                Console.WriteLine();
            }
        }
    }
}
' Command-line argument examples:
'      - Displays Visual Basic, C#, and JScript compiler settings.
'   <exe_name> Language CSharp
'      - Displays the compiler settings for C#.
'   <exe_name> All
'      - Displays settings for all configured compilers.
'   <exe_name> Config Pascal
'      - Displays settings for configured Pascal language provider,
'        if one exists.
'   <exe_name> Extension .vb
'      - Displays settings for the compiler associated with the .vb
'        file extension.

Imports System.IO
Imports System.Globalization
Imports System.CodeDom
Imports System.CodeDom.Compiler
Imports Microsoft.CSharp
Imports System.ComponentModel

Namespace CodeDomCompilerInfoSample

   Class CompilerInfoSample

      <STAThread()>  _
      Public Shared Sub Main(ByVal args() As String)

        Dim queryCommand As String = ""
        Dim queryArg As String = ""
        Dim iNumArguments As Integer = args.Length
        
        ' Get input command-line arguments.
        If iNumArguments > 0 Then
            queryCommand = args(0).ToUpper(CultureInfo.InvariantCulture)
            
            If iNumArguments > 1 Then
                queryArg = args(1)
            End If
        End If
        
        ' Determine which method to call.
        Console.WriteLine()
        Select Case queryCommand
            Case "LANGUAGE"
                ' Display compiler information for input language.
                DisplayCompilerInfoForLanguage(queryArg)
            Case "EXTENSION"
                ' Display compiler information for input file extension.
                DisplayCompilerInfoUsingExtension(queryArg)
            Case "CONFIG"
                ' Display settings for the configured language provider.
                DisplayCompilerInfoForConfigLanguage(queryArg)
            Case "ALL"
                ' Display compiler information for all configured 
                ' language providers.
                DisplayAllCompilerInfo()
            Case Else
                ' There was no command-line argument, or the 
                ' command-line argument was not recognized.
                ' Display the C#, Visual Basic and JScript 
                ' compiler information.
                DisplayCSharpCompilerInfo()
                DisplayVBCompilerInfo()
                DisplayJScriptCompilerInfo()
        End Select

      End Sub
      
      
      Shared Sub DisplayCSharpCompilerInfo()
         
         ' Get the provider for Microsoft.CSharp
            Dim provider = CodeDomProvider.CreateProvider("CSharp")
         
         ' Display the C# language provider information.
         Console.WriteLine("CSharp provider is {0}", _
            provider.ToString())
         Console.WriteLine("  Provider hash code:     {0}", _
            provider.GetHashCode().ToString())
         Console.WriteLine("  Default file extension: {0}", _
            provider.FileExtension)
         
         Console.WriteLine()
      End Sub
      
      
      Shared Sub DisplayVBCompilerInfo()
         ' Get the provider for Microsoft.VisualBasic
            Dim provider = CodeDomProvider.CreateProvider("VisualBasic")
         
         ' Display the Visual Basic language provider information.
         Console.WriteLine("Visual Basic provider is {0}", _
            provider.ToString())
         Console.WriteLine("  Provider hash code:     {0}", _
            provider.GetHashCode().ToString())
         Console.WriteLine("  Default file extension: {0}", _
            provider.FileExtension)
         
         Console.WriteLine()
      End Sub
      
      
      Shared Sub DisplayJScriptCompilerInfo()
         ' Get the provider for JScript.
         Dim provider As CodeDomProvider
         
         Try
            provider = CodeDomProvider.CreateProvider("js")
            
            ' Display the JScript language provider information.
            Console.WriteLine("JScript language provider is {0}", _
                provider.ToString())
            Console.WriteLine("  Provider hash code:     {0}", _
                provider.GetHashCode().ToString())
            Console.WriteLine("  Default file extension: {0}", _
                provider.FileExtension)
            Console.WriteLine()
         Catch e As System.Configuration.ConfigurationException
            ' The JScript language provider was not found.
            Console.WriteLine("There is no configured JScript language provider.")
         End Try

      End Sub
      
      Shared Sub DisplayCompilerInfoUsingExtension(fileExtension As String)
         If Not fileExtension.StartsWith(".") Then
            fileExtension = "." + fileExtension
         End If

         ' Get the language associated with the file extension.
         If CodeDomProvider.IsDefinedExtension(fileExtension) Then
            Dim provider As CodeDomProvider
            Dim language As String = CodeDomProvider.GetLanguageFromExtension(fileExtension)
            
            Console.WriteLine("The language ""{0}"" is associated with file extension ""{1}""", _
                language, fileExtension)
            Console.WriteLine()
            
            ' Check for a corresponding language provider.
            If CodeDomProvider.IsDefinedLanguage(language) Then
               provider = CodeDomProvider.CreateProvider(language)
               
               ' Display information about this language provider.
               Console.WriteLine("Language provider:  {0}", _
                  provider.ToString())
               Console.WriteLine()
               
               ' Get the compiler settings for this language.
               Dim langCompilerInfo As CompilerInfo = CodeDomProvider.GetCompilerInfo(language)
               Dim langCompilerConfig As CompilerParameters = langCompilerInfo.CreateDefaultCompilerParameters()
               
               Console.WriteLine("  Compiler options:        {0}", _
                   langCompilerConfig.CompilerOptions)
               Console.WriteLine("  Compiler warning level:  {0}", _
                   langCompilerConfig.WarningLevel)
            End If
         Else
            ' Tell the user that the language provider was not found.
            Console.WriteLine("There is no language provider associated with input file extension ""{0}"".", fileExtension)
         End If
      End Sub
     
      
      Shared Sub DisplayCompilerInfoForLanguage(language As String)
         Dim provider As CodeDomProvider
         
         ' Check for a provider corresponding to the input language.  
         If CodeDomProvider.IsDefinedLanguage(language) Then
            provider = CodeDomProvider.CreateProvider(language)
            
            ' Display information about this language provider.
            Console.WriteLine("Language provider:  {0}", _
                provider.ToString())
            Console.WriteLine()
            Console.WriteLine("  Default file extension:  {0}", _
                provider.FileExtension)
            Console.WriteLine()
            
            ' Get the compiler settings for this language.
            Dim langCompilerInfo As CompilerInfo = CodeDomProvider.GetCompilerInfo(language)
            Dim langCompilerConfig As CompilerParameters = langCompilerInfo.CreateDefaultCompilerParameters()
            
            Console.WriteLine("  Compiler options:        {0}", _
                langCompilerConfig.CompilerOptions)
            Console.WriteLine("  Compiler warning level:  {0}", _
                langCompilerConfig.WarningLevel)
         Else
            ' Tell the user that the language provider was not found.
            Console.WriteLine("There is no provider configured for input language ""{0}"".", _
                language)
         End If

      End Sub
      
      Shared Sub DisplayCompilerInfoForConfigLanguage(configLanguage As String)
         Dim info As CompilerInfo = CodeDomProvider.GetCompilerInfo(configLanguage)
         
         ' Check whether there is a provider configured for this language.
         If info.IsCodeDomProviderTypeValid Then
            ' Get a provider instance using the configured type information.
            Dim provider As CodeDomProvider
            provider = CType(Activator.CreateInstance(info.CodeDomProviderType), CodeDomProvider)
            
            ' Display information about this language provider.
            Console.WriteLine("Language provider:  {0}", _
                provider.ToString())
            Console.WriteLine()
            Console.WriteLine("  Default file extension:  {0}", _
                provider.FileExtension)
            Console.WriteLine()
            
            ' Get the compiler settings for this language.
            Dim langCompilerConfig As CompilerParameters = info.CreateDefaultCompilerParameters()
            
            Console.WriteLine("  Compiler options:        {0}", _
                langCompilerConfig.CompilerOptions)
            Console.WriteLine("  Compiler warning level:  {0}", _
                langCompilerConfig.WarningLevel)
         Else
            ' Tell the user that the language provider was not found.
            Console.WriteLine("There is no provider configured for input language ""{0}"".", configLanguage)
         End If
      End Sub
      
      
      Shared Sub DisplayAllCompilerInfo()
         Dim allCompilerInfo As CompilerInfo() = CodeDomProvider.GetAllCompilerInfo()
         Dim info As CompilerInfo
         For Each info In  allCompilerInfo

            Dim defaultLanguage As String
            Dim defaultExtension As String

            Dim provider As CodeDomProvider = info.CreateProvider()
            
            ' Display information about this configured provider.
            Console.WriteLine("Language provider:  {0}", _
                provider.ToString())
            Console.WriteLine()
            
            Console.WriteLine("  Supported file extension(s):")
            Dim extension As String
            For Each extension In info.GetExtensions()
               Console.WriteLine("    {0}", extension)
            Next extension
            
            defaultExtension = provider.FileExtension
            If Not defaultExtension.StartsWith(".") Then
               defaultExtension = "." + defaultExtension
            End If
 
            Console.WriteLine("  Default file extension:  {0}", _
              defaultExtension)
            Console.WriteLine()
            
            Console.WriteLine("  Supported language(s):")
            Dim language As String
            For Each language In  info.GetLanguages()
               Console.WriteLine("    {0}", language)
            Next language
            defaultLanguage = CodeDomProvider.GetLanguageFromExtension(defaultExtension)
            Console.WriteLine("  Default language:        {0}", _
               defaultLanguage)
            Console.WriteLine()
            
            ' Get the compiler settings for this provider.
            Dim langCompilerConfig As CompilerParameters = info.CreateDefaultCompilerParameters()
            
            Console.WriteLine("  Compiler options:        {0}", _
                langCompilerConfig.CompilerOptions)
            Console.WriteLine("  Compiler warning level:  {0}", _
                langCompilerConfig.WarningLevel)
            Console.WriteLine()
         Next info
      End Sub

   End Class
End Namespace 'CodeDomCompilerInfoSample

Opmerkingen

Gebruik de CompilerInfo klasse om te bepalen of een CodeDomProvider implementatie is geconfigureerd op de computer of om de configuratie- en compilerinstellingen voor een specifieke taalprovider te onderzoeken.

Het <element system.codedom> in het configuratiebestand van de machine bevat de taalprovider en de configuratie-instellingen van de compiler. Elke geconfigureerde taalprovider heeft een bijbehorend compilerconfiguratie-element. Elk element definieert het CodeDomProvider implementatietype, ondersteunde taalnamen, ondersteunde bestandsnaamextensies en compilerparameters.

.NET Framework definieert de eerste compilerinstellingen in het configuratiebestand van de machine. Ontwikkelaars en compilerleveranciers kunnen configuratie-instellingen toevoegen voor een nieuwe CodeDomProvider implementatie.

De CompilerInfo klasse biedt alleen-lezentoegang tot deze instellingen in het configuratiebestand van de computer. Gebruik de GetLanguages, GetExtensionsen CodeDomProviderType leden om de bijbehorende configuratiekenmerken voor een taalprovider te onderzoeken. Gebruik de CreateDefaultCompilerParameters methode om de compileropties en kenmerkwaarden op waarschuwingsniveau voor een taalprovider te verkrijgen.

Zie het schema compiler- en taalproviderinstellingen voor meer informatie over instellingen voor taalproviders in het configuratiebestand.

Notitie

Deze klasse bevat een koppelingsvraag op klasseniveau die van toepassing is op alle leden. Er SecurityException wordt een gegenereerd wanneer de directe beller geen machtiging voor volledig vertrouwen heeft. Zie Koppelingsvereisten voor meer informatie over koppelingsvereisten.

Eigenschappen

Name Description
CodeDomProviderType

Hiermee haalt u het type van de geconfigureerde CodeDomProvider implementatie op.

IsCodeDomProviderTypeValid

Retourneert een waarde die aangeeft of de implementatie van de taalprovider is geconfigureerd op de computer.

Methoden

Name Description
CreateDefaultCompilerParameters()

Hiermee haalt u de geconfigureerde compilerinstellingen op voor de implementatie van de taalprovider.

CreateProvider()

Retourneert een CodeDomProvider exemplaar voor de huidige taalproviderinstellingen.

CreateProvider(IDictionary<String,String>)

Retourneert een CodeDomProvider exemplaar voor de huidige taalproviderinstellingen en opgegeven opties.

Equals(Object)

Bepaalt of het opgegeven object dezelfde taalprovider- en compilerinstellingen vertegenwoordigt als de huidige CompilerInfo.

GetExtensions()

Retourneert de bestandsnaamextensies die worden ondersteund door de taalprovider.

GetHashCode()

Retourneert de hash-code voor het huidige exemplaar.

GetLanguages()

Hiermee haalt u de taalnamen op die worden ondersteund door de taalprovider.

GetType()

Hiermee haalt u de Type huidige instantie op.

(Overgenomen van Object)
MemberwiseClone()

Hiermee maakt u een ondiepe kopie van de huidige Object.

(Overgenomen van Object)
ToString()

Retourneert een tekenreeks die het huidige object vertegenwoordigt.

(Overgenomen van Object)

Van toepassing op

Zie ook