ApplicationBuildProvider.cs source code in C# .NET

Source code for the .NET framework in C#



/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Compilation / ApplicationBuildProvider.cs / 1 / ApplicationBuildProvider.cs

//     Copyright (c) Microsoft Corporation.  All rights reserved.

namespace System.Web.Compilation {
using System;
using System.IO;
using System.Collections;
using System.CodeDom.Compiler; 
using System.Web.Hosting;
using System.Web.Util; 
using System.Web.UI; 

internal class ApplicationBuildProvider: BaseTemplateBuildProvider { 

    internal static BuildResultCompiledGlobalAsaxType GetGlobalAsaxBuildResult(bool isPrecompiledApp) {

        string cacheKey = BuildManager.GlobalAsaxAssemblyName; 

        // Try the cache first, and if it's not there, compile it 
        BuildResultCompiledGlobalAsaxType result = BuildManager.GetBuildResultFromCache(cacheKey) as 
        if (result != null) 
            return result;

        // If this is a precompiled app don't attempt to compile it
        if (isPrecompiledApp) 
            return null;
        VirtualPath virtualPath = BuildManager.GlobalAsaxVirtualPath; 

        // If global.asax doesn't exist, just ignore it 
        if (!virtualPath.FileExists())
            return null;

        // Compile global.asax 
        ApplicationBuildProvider buildProvider = new ApplicationBuildProvider();
        DateTime utcStart = DateTime.UtcNow;
        BuildProvidersCompiler bpc = new BuildProvidersCompiler(virtualPath /*configPath*/,

        // Set the BuildProvider using a single item collection 
        bpc.SetBuildProviders(new SingleObjectCollection(buildProvider));
        CompilerResults results = bpc.PerformBuild(); 

        result = (BuildResultCompiledGlobalAsaxType) buildProvider.GetBuildResult(results); 

        // Top level assembliy should not be cached to memory.
        result.CacheToMemory = false;
        // Cache it for next time
        BuildManager.CacheBuildResult(cacheKey, result, utcStart); 
        // Return the compiled type
        return result; 

    protected override TemplateParser CreateParser() {
        return new ApplicationFileParser(); 
    internal override BaseCodeDomTreeGenerator CreateCodeDomTreeGenerator(TemplateParser parser) { 
        return new ApplicationFileCodeDomTreeGenerator((ApplicationFileParser)parser);

    internal override BuildResultCompiledType CreateBuildResult(Type t) {
        BuildResultCompiledGlobalAsaxType result = new BuildResultCompiledGlobalAsaxType(t);
        // If global.asax contains  tags, set a flag to avoid doing useless work
        // later on in HttpApplicationFactory (VSWhidbey 453101) 
        if (Parser.ApplicationObjects != null || Parser.SessionObjects != null) 
            result.HasAppOrSessionObjects = true;
        return result;



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