Buildalyzer 4.1.5

.NET Core 3.1
NuGet\Install-Package Buildalyzer -Version 4.1.5
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
dotnet add package Buildalyzer --version 4.1.5
<PackageReference Include="Buildalyzer" Version="4.1.5" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Buildalyzer --version 4.1.5
#r "nuget: Buildalyzer, 4.1.5"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install Buildalyzer as a Cake Addin
#addin nuget:?package=Buildalyzer&version=4.1.5

// Install Buildalyzer as a Cake Tool
#tool nuget:?package=Buildalyzer&version=4.1.5

A utility to perform design-time builds of .NET projects without having to think too hard about it.

Buildalyzer Logo

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If you found this library useful, consider sponsoring more of it on GitHub. I promise to use it on something totally frivolous and unrelated.

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Amazon Web Services (AWS) generously sponsors this project. Go check out what they have to offer for .NET developers (it's probably more than you think).


What Is It?

Buildalyzer lets you run MSBuild from your own code and returns information about the project. By default, it runs a design-time build which is higher performance than a normal build because it doesn't actually try to compile the project. You can use it to perform analysis of MSBuild projects, get project properties, or create a Roslyn Workspace using Buildalyzer.Workspaces. It runs MSBuild out-of-process and therefore should work anywhere, anytime, and on any platform you can build the project yourself manually on the command line.

AnalyzerManager manager = new AnalyzerManager();
IProjectAnalyzer analyzer = manager.GetProject(@"C:\MyCode\MyProject.csproj");
IAnalyzerResults results = analyzer.Build();
string[] sourceFiles = results.First().SourceFiles;

These blog posts might also help explain the motivation behind the project and how it works:

Installation

Buildalyzer is available on NuGet and can be installed via the commands below:

$ Install-Package Buildalyzer

or via the .NET Core CLI:

$ dotnet add package Buildalyzer

Buildalyzer.Workspaces is available on NuGet and can be installed via the commands below:

$ Install-Package Buildalyzer.Workspaces

or via the .NET Core CLI:

$ dotnet add package Buildalyzer.Workspaces

Both packages target .NET Standard 2.0.

Usage

There are two main classes in Buildalyzer: AnalyzerManager and ProjectAnalyzer.

The AnalyzerManager class coordinates loading each individual project and consolidates information from a solution file if provided.

The ProjectAnalyzer class figures out how to configure MSBuild and uses it to load and compile the project in design-time mode. Using a design-time build lets us get information about the project such as resolved references and source files without actually having to call the compiler.

To get a ProjectAnalyzer you first create an AnalyzerManager and then call GetProject():

AnalyzerManager manager = new AnalyzerManager();
IProjectAnalyzer analyzer = manager.GetProject(@"C:\MyCode\MyProject.csproj");

You can add all projects in a solution to the AnalyzerManager by passing the solution path as the first argument of the AnalyzerManager constructor. This will parse the solution file and execute GetProject() for each of the projects that it finds.

Calling GetProject() again for the same project path will return the existing ProjectAnalyzer. You can iterate all the existing project analyzers with the IReadOnlyDictionary<string, ProjectAnalyzer> property AnalyzerManager.Projects.

To build the project, which triggers evaluation of the specified MSBuild tasks and targets but stops short of invoking the compiler by default in Buildalyzer, call Build(). This method has a number of overloads that lets you customize the build process by specifying target frameworks, build targets, and more.

Results

Calling ProjectAnalyzer.Build() (or an overload) will return an AnalyzerResults object, which is a collection of AnalyzerResult objects for each of the target frameworks that were built. It will usually only contain a single AnalyzerResult unless the project is multi-targeted.

AnalyzerResult contains several properties and methods with the results from the build:

AnalyzerResult.TargetFramework - The target framework of this particular result (each result consists of data from a particular target framework build).

AnalyzerResult.SourceFiles - The full path of all resolved source files in the project.

AnalyzerResult.References - The full path of all resolved references in the project.

AnalyzerResult.ProjectReferences - The full path of the project file for all resolved project references in the project.

AnalyzerResult.Properties - A IReadOnlyDictionary<string, string> containing all MSBuild properties from the project.

AnalyzerResult.GetProperty(string) - Gets the value of the specified MSBuild property.

AnalyzerResult.Items - A IReadOnlyDictionary<string, ProjectItem[]> containing all MSBuild items from the project (the ProjectItem class contains the item name/specification as ProjectItem.ItemSpec and all it's metadata in a IReadOnlyDictionary<string, string> as ProjectItem.Metadata).

Adjusting MSBuild Properties

Buildalyzer sets some MSBuild properties to make loading and compilation work the way it needs to (for example, to trigger a design-time build). You can view these properties with the IReadOnlyDictionary<string, string> property ProjectAnalyzer.GlobalProperties.

If you want to change the configured properties before loading or compiling the project, there are two options:

  • AnalyzerManager.SetGlobalProperty(string key, string value) and AnalyzerManager.RemoveGlobalProperty(string key). This will set the global properties for all projects loaded by this AnalyzerManager.

  • ProjectAnalyzer.SetGlobalProperty(string key, string value) and ProjectAnalyzer.RemoveGlobalProperty(string key). This will set the global properties for just this project.

Be careful though, you may break the ability to load, compile, or interpret the project if you change the MSBuild properties.

Binary Log Files

Buildalyzer can also read MSBuild binary log files:

AnalyzerManager manager = new AnalyzerManager();
IAnalyzerResults results = manager.Analyze(@"C:\MyCode\MyProject.binlog");
string[] sourceFiles = results.First().SourceFiles;

This is useful if you already have a binary log file and want to analyze it with Buildalyzer the same way you would build results.

Logging

Buildalyzer uses the Microsoft.Extensions.Logging framework for logging MSBuild output. When you create an AnayzerManager you can specify an ILoggerFactory that Buildalyzer should use to create loggers. By default, the ProjectAnalyzer will log MSBuild output to the provided logger.

You can also log to a StringWriter using AnalyzerManagerOptions:

StringWriter log = new StringWriter();
AnalyzerManagerOptions options = new AnalyzerManagerOptions
{
    LogWriter = log
};
AnalyzerManager manager = new AnalyzerManager(path, options);
// ...
// check log.ToString() after build for any error messages

Roslyn Workspaces

The extension library Buildalyzer.Workspaces adds extension methods to the Buildalyzer ProjectAnalyzer that make it easier to take Buildalyzer output and create a Roslyn AdhocWorkspace from it:

using Buildalyzer.Workspaces;
using Microsoft.CodeAnalysis;
// ...

AnalyzerManager manager = new AnalyzerManager();
IProjectAnalyzer analyzer = manager.GetProject(@"C:\MyCode\MyProject.csproj");
AdhocWorkspace workspace = analyzer.GetWorkspace();

You can also create your own workspace and add Buildalyzer projects to it:

using Buildalyzer.Workspaces;
using Microsoft.CodeAnalysis;
// ...

AnalyzerManager manager = new AnalyzerManager();
IProjectAnalyzer analyzer = manager.GetProject(@"C:\MyCode\MyProject.csproj");
AdhocWorkspace workspace = new AdhocWorkspace();
Project roslynProject = analyzer.AddToWorkspace(workspace);

In both cases, Buildalyzer will attempt to resolve project references within the Roslyn workspace so the Roslyn projects will correctly reference each other.

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows
.NET Core netcoreapp3.1
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (10)

Showing the top 5 NuGet packages that depend on Buildalyzer:

Package Downloads
Buildalyzer.Workspaces

A little utility to perform design-time builds of .NET projects without having to think too hard about it. This extension library adds support for creating a Roslyn workspace from Buildalyzer.

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Package Description

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Library for executing a Synthesis run

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All stryker mutation test logic is contained in this library. This package does not include a runner. Use this package if you want to extend stryker with your own runner.

NScan.Adapter.ReadingCSharpSolution

Package Description

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Showing the top 5 popular GitHub repositories that depend on Buildalyzer:

Repository Stars
GitTools/GitVersion
From git log to SemVer in no time
dotnet/interactive
.NET Interactive combines the power of .NET with many other languages to create notebooks, REPLs, and embedded coding experiences. Share code, explore data, write, and learn across your apps in ways you couldn't before.
stryker-mutator/stryker-net
Mutation testing for .NET core and .NET framework!
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