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CVXBuildSystem.cs
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CVXBuildSystem.cs
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/*
* ClangVSx - Compiler Bridge for CLang in MS Visual Studio
* Harry Denholm, ishani.org 2011-2012
*
* https://github.com/ishani/ClangVSx
* http://www.ishani.org/web/articles/code/clangvsx/
*
* Released under LLVM Release License. See LICENSE.TXT for details.
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Windows.Forms;
using EnvDTE;
using Microsoft.VisualStudio.VCProjectEngine;
using Process = System.Diagnostics.Process;
namespace ClangVSx
{
/// <summary>
/// Collection of build tools
/// </summary>
internal class CVXBuildSystem
{
private readonly String ConsoleDivider = String.Empty;
private readonly bool DoGenerateBatchFiles;
private readonly bool DoShowCommands;
private readonly String LocationClangEXE;
private readonly String LocationLIBExe;
private readonly String LocationLINKExe;
private readonly String LocationLLVM_LINK_EXE;
private readonly String LocationLLVM_LLC_EXE;
private readonly String PathToVSCommonIDE;
private readonly String PathToVSTools;
private StreamWriter BatchFileStream; // if DoGenerateBatchFiles == true, this is set to the output file stream
protected OutputWindowPane OutputPane; // output panel configured by AddIn, passed in to ctor
protected Window VSOutputWindow;
public CVXBuildSystem(Window clangOutputWindow, OutputWindowPane clangOutputPane)
{
VSOutputWindow = clangOutputWindow;
OutputPane = clangOutputPane;
ConsoleDivider = ConsoleDivider.PadLeft(128, '-');
// clear and focus the output window
OutputPane.Clear();
ShowOutputPane();
// write out a version header
{
Assembly assem = Assembly.GetExecutingAssembly();
Version vers = assem.GetName().Version;
DateTime buildDate = new DateTime(2000, 1, 1).AddDays(vers.Build).AddSeconds(vers.Revision * 2);
WriteToOutputPane("ClangVSx " + vers.Major.ToString() + "." + vers.Minor.ToString() +
" | LLVM/Clang C++ Compiler Bridge | www.ishani.org\n\n");
// try to give the message queue time to bring up the output window
Application.DoEvents();
}
// read out current executables' locations
LocationClangEXE = CVXRegistry.PathToClang;
LocationLLVM_LINK_EXE = Path.GetDirectoryName(LocationClangEXE) + @"\llvm-link.exe";
LocationLLVM_LLC_EXE = Path.GetDirectoryName(LocationClangEXE) + @"\llc.exe";
// work out where the MS linker / lib tools are, Clang/LLVM doesn't have a linker presently
// eg "C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools\"
#if CVSX_2012
String pathToVS = Environment.GetEnvironmentVariable("VS110COMNTOOLS");
if (pathToVS == null)
{
throw new Exception(
"Could not find Visual Studio 2012 install directory (via VS110COMNTOOLS environment variable)");
}
#endif
#if CVSX_2010
String pathToVS = Environment.GetEnvironmentVariable("VS100COMNTOOLS");
if (pathToVS == null)
{
throw new Exception(
"Could not find Visual Studio 2010 install directory (via VS100COMNTOOLS environment variable)");
}
#endif
// have to go digging for the location of the MSVC linker/librarian
PathToVSTools = Path.GetFullPath(pathToVS + @"..\..\VC\bin\");
PathToVSCommonIDE = Path.GetFullPath(pathToVS + @"..\IDE\");
LocationLIBExe = PathToVSTools + "lib.exe";
LocationLINKExe = PathToVSTools + "link.exe";
var PathCheck = new[] {
LocationLLVM_LINK_EXE,
LocationLLVM_LLC_EXE,
LocationClangEXE,
LocationLIBExe,
LocationLINKExe
};
foreach (String path in PathCheck)
{
if (!File.Exists(path))
{
throw new Exception(String.Format("Could not find {0}, check ClangVSx Settings - tried:\n\n{1}",
Path.GetFileName(path), path));
}
}
// read more options from the registry
DoShowCommands = CVXRegistry.ShowCommands;
DoGenerateBatchFiles = CVXRegistry.MakeBatchFiles;
}
#region Utils
internal void ShowOutputPane()
{
VSOutputWindow.Activate();
OutputPane.Activate();
Application.DoEvents();
}
internal void WriteToOutputPane(string text)
{
OutputPane.OutputString(text);
}
/// <summary>
/// simple helper that creates a Process instance ready for running the compiler, linker, external tools, etc
/// </summary>
internal Process NewExternalProcess()
{
var result = new Process();
result.StartInfo.UseShellExecute = false;
result.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
result.StartInfo.CreateNoWindow = true;
result.StartInfo.RedirectStandardOutput = true;
result.StartInfo.RedirectStandardError = true;
return result;
}
private VCFileConfiguration GetFileConfiguration(IVCCollection configs, VCConfiguration cfg)
{
try
{
foreach (VCFileConfiguration vcr in configs)
{
if (vcr.ProjectConfiguration.ConfigurationName == cfg.ConfigurationName &&
vcr.ProjectConfiguration.Platform.Name == cfg.Platform.Name)
{
return vcr;
}
}
}
catch (Exception)
{
WriteToOutputPane("Error: failed to resolve configuration for file - " + cfg.ConfigurationName + " | " +
cfg.Platform.Name + "\n");
return null;
}
return null;
}
#endregion
#region Custom Build Steps
/// <summary>
/// I'm probably showing C# inexperience here; I wanted this function to operate on any
/// object that had an Evaluate method, eg. VCConfiguration, VCFileConfiguration, et al.
/// Reflection and generics is what I came up with!
/// </summary>
internal void ExecuteCustomBuildToolCommandLine<T>(String cmdLine, object evaluator, VCProject vcProject)
{
try
{
MethodInfo evalMethod = typeof(T).GetMethod("Evaluate");
String[] cmdsToRun = cmdLine.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (String singleCmd in cmdsToRun)
{
var evaluatedCmd = evalMethod.Invoke(evaluator, new object[] { singleCmd }) as String;
if (DoShowCommands)
{
WriteToOutputPane(" cmd.exe /C " + evaluatedCmd + "\n");
}
if (BatchFileStream != null)
{
BatchFileStream.WriteLine("@REM -- custom build tool --");
BatchFileStream.WriteLine(" cmd.exe /C " + evaluatedCmd);
}
// run the specified tool
Process cbStep = NewExternalProcess();
cbStep.StartInfo.FileName = "cmd.exe";
cbStep.StartInfo.Arguments = "/C " + evaluatedCmd.Replace("/", "\\");
cbStep.StartInfo.WorkingDirectory = vcProject.ProjectDirectory;
cbStep.Start();
String outputStr = cbStep.StandardOutput.ReadToEnd();
WriteToOutputPane(outputStr);
cbStep.WaitForExit();
}
}
catch (Exception e)
{
WriteToOutputPane("Exception During Execution : " + cmdLine + "\n" + e.Message + "\n" + e.Source +
"\n\n");
}
}
/// <summary>
/// bootstrap any custom build steps, run via cmd.exe
/// </summary>
internal void RunCustomBuildStep(VCCustomBuildTool customBuildTool, VCFile vcFile, VCProject vcProject,
VCFileConfiguration vcFC, bool ignoreTimeStamp)
{
// check to see if the supplied outputs are older than the file in question
// I assume this is how MSVS does it...
bool outputFilesNeedBuilding = false;
if (ignoreTimeStamp)
{
outputFilesNeedBuilding = true;
}
else
{
if (customBuildTool.Outputs.Length > 0)
{
var vcFileFI = new FileInfo(vcFile.FullPath);
// cut the output files string into individual items
String[] outputFiles = customBuildTool.Outputs.Split(new[] { ' ', ',', ';' },
StringSplitOptions.RemoveEmptyEntries);
foreach (String outputFileName in outputFiles)
{
// find a full pathname for the file, relative or not
String finalOutput = vcFC.Evaluate(outputFileName);
if (!Path.IsPathRooted(outputFileName))
finalOutput = vcProject.ProjectDirectory + outputFileName;
String finalOutputDir = Path.GetDirectoryName(finalOutput);
if (!Directory.Exists(finalOutputDir))
{
Directory.CreateDirectory(finalOutputDir);
}
// if it doesn't exist, safe to assume we should try and build it
if (!File.Exists(finalOutput))
{
outputFilesNeedBuilding = true;
break;
}
// compare timestamps with source file
var outputFileFI = new FileInfo(finalOutput);
TimeSpan timeDiffCodeToObj = outputFileFI.LastWriteTime.Subtract(vcFileFI.LastWriteTime);
if (timeDiffCodeToObj.Seconds < 0)
{
outputFilesNeedBuilding = true;
break;
}
}
}
}
// nothing to do?
if (!outputFilesNeedBuilding)
{
WriteToOutputPane("[skipping] " + customBuildTool.Description + "\n");
return;
}
WriteToOutputPane(customBuildTool.Description + "\n");
ExecuteCustomBuildToolCommandLine<VCFileConfiguration>(customBuildTool.CommandLine, vcFC, vcProject);
}
#endregion
#region VCFile Building
/// <summary>
/// internal function that does the work of compiling a C++ file using Clang
/// </summary>
internal bool InternalBuildVCFile(VCFile vcFile, VCProject vcProject, VCConfiguration vcCfg,
String defaultCompilerString, ref StringBuilder compileString,
HashSet<String> CompilationArtifacts, bool dryRun = false)
{
// get access to the per-file VCCL config data (eg stuff that augments / overwrites the global settings)
// we use this to configure the compiler per file, as it should reflect the final config state of the file
VCFileConfiguration vcFC = GetFileConfiguration((IVCCollection)vcFile.FileConfigurations, vcCfg);
if (vcFC == null)
return false;
var perFileVCC = (VCCLCompilerTool)vcFC.Tool;
// begin forming the command line string to send to Clang
compileString.Append('"' + vcFile.FullPath.Replace("/", "\\") + '"');
compileString.Append(defaultCompilerString);
// sort out an output object file name
String objectFileName = vcFC.Evaluate(perFileVCC.ObjectFile).Replace("/", "\\");
objectFileName = Path.GetFullPath(objectFileName);
String prebuild = Path.GetDirectoryName(objectFileName);
if (!Directory.Exists(prebuild))
{
Directory.CreateDirectory(prebuild);
}
String outputFileExtension = ".obj";
if (perFileVCC.WholeProgramOptimization)
{
outputFileExtension = ".bc";
compileString.Append("-flto ");
}
// check to see if we should emit an obj at all
String compileCmds = compileString.ToString();
if (!compileCmds.Contains("-o\""))
{
// if no obj file specified, make a suitable filename (is this a robust check..??)
if (!Path.HasExtension(objectFileName))
{
objectFileName += Path.ChangeExtension(vcFile.Name, outputFileExtension);
}
else
{
// force our extension?
objectFileName = Path.ChangeExtension(objectFileName, outputFileExtension);
}
// record the .obj target in the cmd line and in the list to pass to the linker
compileString.Append("-o\"");
compileString.Append(objectFileName);
compileString.Append("\" ");
CompilationArtifacts.Add(objectFileName);
}
if (dryRun)
return true;
// stick the per-file defines, includes, etc
compileString.Append(GatherIncludesAndDefines<VCFileConfiguration>(perFileVCC, vcFC));
// figure out a suitable mapping for optimization flags
switch (perFileVCC.Optimization)
{
case optimizeOption.optimizeDisabled:
compileString.Append("-O0 ");
break;
case optimizeOption.optimizeMaxSpeed:
compileString.Append("-O2 ");
break;
case optimizeOption.optimizeFull:
compileString.Append("-O3 ");
break;
case optimizeOption.optimizeMinSpace:
compileString.Append("-Oz "); // opting for the 'smallest size at any cost' option
break;
}
if (perFileVCC.OmitFramePointers || perFileVCC.Optimization == optimizeOption.optimizeFull)
{
compileString.Append("-fomit-frame-pointer ");
}
// arbitrarily turning a 5-point dial into a toggle switch :)
if (perFileVCC.WarningLevel == warningLevelOption.warningLevel_0 ||
perFileVCC.WarningLevel == warningLevelOption.warningLevel_1 ||
perFileVCC.WarningLevel == warningLevelOption.warningLevel_2)
{
compileString.Append("-w "); // no warnings
}
else if (perFileVCC.WarningLevel == warningLevelOption.warningLevel_4)
{
compileString.Append("-Wall --pedantic "); // all warnings
}
if (perFileVCC.WarnAsError)
{
compileString.Append("-Werror ");
}
// stack overflow checking
if (perFileVCC.BufferSecurityCheck)
{
// HDD TODO incompatible with MSVC atm
// compileString.Append("-fstack-protector-all ");
}
else
{
compileString.Append("-fno-stack-protector ");
}
// debug info generation
if (perFileVCC.DebugInformationFormat != debugOption.debugDisabled)
{
// HDD TODO - clang currently can't embed debug info when targeting windows
// compileString.Append("-g ");
}
// no inline function expansion
if (perFileVCC.InlineFunctionExpansion == inlineExpansionOption.expandDisable)
{
// bafflingly, should the option be set to 'Default', we get told it's 'inlineExpansionOption.expandDisable', even
// if it will be set by virtue of the optimisation configuration...
// we have to guess that this choice is only valid when the user hasn't chosen optimisation mode max/size/full
if (perFileVCC.Optimization == optimizeOption.optimizeDisabled ||
perFileVCC.Optimization == optimizeOption.optimizeCustom)
{
compileString.Append("-fno-inline ");
}
}
// asm listing or preprocessor output both turn on the same flag, as the flag produces them both
if (perFileVCC.AssemblerOutput != asmListingOption.asmListingNone ||
perFileVCC.GeneratePreprocessedFile != preprocessOption.preprocessNo)
{
// -S ensures we just preprocess
// -CC leaves comments in the output
compileString.Append("-save-temps -S -Xpreprocessor -CC ");
}
if (perFileVCC.CompileAs == CompileAsOptions.compileAsCPlusPlus)
{
compileString.Append("-x c++ ");
// RTTI disable?
if (!perFileVCC.RuntimeTypeInfo)
{
compileString.Append("-fno-rtti ");
}
else
{
compileString.Append("-frtti ");
}
// EH
try
{
// this explodes if it's set to 'off', MSBuild conversion layer problems :|
if (perFileVCC.ExceptionHandling != cppExceptionHandling.cppExceptionHandlingNo)
{
compileString.Append("-fexceptions -fcxx-exceptions ");
}
}
catch
{
compileString.Append("-fno-exceptions ");
}
}
// add the 'additional options' verbatim
if (perFileVCC.AdditionalOptions != null)
{
// add the 'additional options' verbatim
// only pull across opts that begin with "-", ignoring VS "/" ones
string[] opts = vcFC.Evaluate(perFileVCC.AdditionalOptions).Split(' ');
foreach (string opt in opts)
{
if (opt.StartsWith("-"))
compileString.Append(opt + " ");
}
}
// ask for warnings/errors in MSVC format
compileString.Append("-fdiagnostics-format=msvc ");
String fullObjectPath = objectFileName;
if (!Path.IsPathRooted(fullObjectPath))
fullObjectPath = vcProject.ProjectDirectory + objectFileName;
WriteToOutputPane(" - " + vcFile.UnexpandedRelativePath);
if (DoShowCommands)
WriteToOutputPane("\n " + compileString + "\n");
// crank the message pump; means our Output Window stuff should update properly
Application.DoEvents();
// execute the compiler
Process compileProcess = NewExternalProcess();
compileProcess.StartInfo.FileName = LocationClangEXE;
compileProcess.StartInfo.Arguments = compileString.ToString();
compileProcess.StartInfo.WorkingDirectory = vcProject.ProjectDirectory;
compileProcess.Start();
// read any output from the compiler, indicative of some problem...
String outputStr = compileProcess.StandardError.ReadToEnd();
compileProcess.WaitForExit();
if (outputStr.Length > 0)
{
WriteToOutputPane("\n" + outputStr);
WriteToOutputPane(ConsoleDivider + "\n\n");
if (outputStr.Contains("error:"))
return false;
}
else
{
if (!DoShowCommands)
{
if (vcFile.UnexpandedRelativePath.Length < 80)
{
String tabPad = "";
tabPad = tabPad.PadLeft(80 - vcFile.UnexpandedRelativePath.Length, ' ');
WriteToOutputPane(tabPad);
}
WriteToOutputPane(" [ok]\n");
}
}
return true;
}
#endregion
#region Data Gathering
/// <summary>
///
/// </summary>
internal string GatherIncludesAndDefines<T>(VCCLCompilerTool vcCTool, object evaluator)
{
MethodInfo evalMethod = typeof(T).GetMethod("Evaluate");
var result = new StringBuilder();
// push additional includes into the default compiler string
if (vcCTool.AdditionalIncludeDirectories != null)
{
String cIncDir = vcCTool.AdditionalIncludeDirectories.Replace(",", ";");
String[] cIncDirs = cIncDir.Split(';');
foreach (string inc in cIncDirs)
{
if (inc.Length > 0)
{
var parsedInc = (evalMethod.Invoke(evaluator, new object[] { inc }) as String);
if (parsedInc != null && parsedInc.Length > 0)
{
result.Append("-I");
String incCheck = parsedInc.Replace("\\", "/");
// Clang doesn't like the trailing / on these
if (incCheck == "./") incCheck = ".";
if (incCheck == "../") incCheck = "..";
// resolve any relative paths
incCheck = Path.GetFullPath(incCheck);
result.Append("\"");
result.Append(incCheck);
result.Append("\" ");
}
}
}
}
// same for force-includes, route to -include
if (vcCTool.ForcedIncludeFiles != null)
{
String cForceInc = vcCTool.ForcedIncludeFiles.Replace(",", ";");
String[] cForceIncs = cForceInc.Split(';');
foreach (string inc in cForceIncs)
{
if (inc.Length > 0)
{
var parsedInc = (evalMethod.Invoke(evaluator, new object[] { inc }) as String);
if (parsedInc != null && parsedInc.Length > 0)
{
String incCheck = parsedInc.Replace("\\", "/");
// resolve any relative paths
incCheck = Path.GetFullPath(incCheck);
result.Append("-include \"");
result.Append(incCheck);
result.Append("\" ");
}
}
}
}
// get default preprocessor directives
if (vcCTool.PreprocessorDefinitions != null)
{
String cPDefine = vcCTool.PreprocessorDefinitions.Replace(",", ";");
String[] cPDefines = cPDefine.Split(';');
foreach (string pd in cPDefines)
{
if (pd.Length > 0)
{
var parsedPd = (evalMethod.Invoke(evaluator, new object[] { pd }) as String);
if (parsedPd != null && parsedPd.Length > 0)
{
result.Append("-D");
result.Append(parsedPd);
result.Append(" ");
}
}
}
}
return result.ToString();
}
/// <summary>
/// common code to generate compiler settings for non-file-specific stuff
/// </summary>
internal String GenerateDefaultCompilerString(VCProject vcProject, VCConfiguration vcCfg)
{
// per cpp-file compiler setting default:
//
// -c for individual compilation without auto-linking
//
// -nostdinc to stop the compiler adding VS include directories itself; we want to control that
//
// define '__CLANG_VSX__'
//
var defaultCompilerString = new StringBuilder(" -c -nostdinc -D__CLANG_VSX__ ");
String targetCmdOpt = CVXRegistry.TOptOldSyntax ? "ccc-host-triple" : "target";
if (vcCfg.Platform.Name == "Win32")
defaultCompilerString.AppendFormat("-{0} {1} ", targetCmdOpt, CVXRegistry.TripleWin32.Value);
else if (vcCfg.Platform.Name == "x64")
defaultCompilerString.AppendFormat("-{0} {1} ", targetCmdOpt, CVXRegistry.TripleX64.Value);
else if (vcCfg.Platform.Name == "ARM")
defaultCompilerString.AppendFormat("-{0} {1} ", targetCmdOpt, CVXRegistry.TripleARM.Value);
if (CVXRegistry.EchoInternal)
{
defaultCompilerString.Append("-ccc-echo ");
}
if (CVXRegistry.ShowPhases)
{
defaultCompilerString.Append("-ccc-print-phases ");
}
// compiler options from the settings page
if (CVXRegistry.COptCPP11)
{
defaultCompilerString.Append("-std=c++11 ");
}
if (CVXRegistry.COptMSABI)
{
defaultCompilerString.Append("-Xclang -cxx-abi -Xclang microsoft ");
}
// add the UNICODE defines?
if (vcCfg.CharacterSet == charSet.charSetUnicode)
{
defaultCompilerString.Append("-DUNICODE -D_UNICODE ");
}
else if (vcCfg.CharacterSet == charSet.charSetMBCS)
{
defaultCompilerString.Append("-D_MBCS ");
}
// get the various VC tools to read out setup
var fTools = (IVCCollection)vcCfg.Tools;
var vcCTool = (VCCLCompilerTool)fTools.Item("VCCLCompilerTool");
var vcLinkerTool = (VCLinkerTool)fTools.Item("VCLinkerTool");
var vcLibTool = (VCLibrarianTool)fTools.Item("VCLibrarianTool");
// convert the project-wide includes, prepro defines, force includes
defaultCompilerString.Append(GatherIncludesAndDefines<VCConfiguration>(vcCTool, vcCfg));
String plt = vcCfg.Platform.Name;
// sort out prolog/epilog settings based on cfg/subsystem
if (vcCfg.ConfigurationType == ConfigurationTypes.typeApplication)
{
}
else if (vcCfg.ConfigurationType ==
ConfigurationTypes.typeDynamicLibrary)
{
defaultCompilerString.Append("-D_WINDLL ");
}
// sort out defines for the runtime library choice
{
// Static MultiThread /MT LIBCMT _MT
// Debug Static MultiThread /MTd LIBCMTD _DEBUG and _MT
//
// Dynamic Link (DLL) /MD MSVCRT _MT and _DLL
// Debug Dynamic Link (DLL) /MDd MSVCRTD _DEBUG, _MT, and _DLL
//
switch (vcCTool.RuntimeLibrary)
{
case runtimeLibraryOption.rtMultiThreaded:
defaultCompilerString.Append("-D_MT ");
break;
case runtimeLibraryOption.rtMultiThreadedDebug:
defaultCompilerString.Append("-D_MT -D_DEBUG ");
break;
case runtimeLibraryOption.rtMultiThreadedDLL:
defaultCompilerString.Append("-D_MT -D_DLL ");
break;
case runtimeLibraryOption.rtMultiThreadedDebugDLL:
defaultCompilerString.Append("-D_MT -D_DLL -D_DEBUG ");
break;
}
}
// allow Clang args to be stuck in the 'additional options' textbox in C/C++ properties page
if (vcCTool.AdditionalOptions != null)
{
// only pull across opts that begin with "-", ignoring VS "/" ones
string[] opts = vcCfg.Evaluate(vcCTool.AdditionalOptions).Split(' ');
foreach (string opt in opts)
{
if (opt.StartsWith("-"))
defaultCompilerString.Append(opt + " ");
}
}
// bolt on any arguments from the settings dialog
defaultCompilerString.Append(" ");
defaultCompilerString.Append(CVXRegistry.CommonArgs);
defaultCompilerString.Append(" ");
// gather up default include paths (eg Windows SDK)
if (vcCTool.FullIncludePath != null)
{
String cIncDir = vcCTool.FullIncludePath.Replace(",", ";");
String[] cIncDirs = cIncDir.Split(';');
// add the fully resolved directories into a string set, to weed out any duplicates
var uniqueDirs = new HashSet<String>();
foreach (string inc in cIncDirs)
{
if (inc.Length > 0)
{
uniqueDirs.Add(Path.GetFullPath(inc.Replace("\\", "/")));
}
}
foreach (String inc in uniqueDirs)
{
defaultCompilerString.Append("-isystem \"");
defaultCompilerString.Append(inc);
defaultCompilerString.Replace("\\", "", defaultCompilerString.Length - 1, 1);
defaultCompilerString.Append("\" ");
}
}
defaultCompilerString.Append(" -fms-compatibility ");
defaultCompilerString.Append(" -fms-extensions ");
defaultCompilerString.Append(" -fmsc-version=1600 ");
return defaultCompilerString.ToString();
}
#endregion
public bool CompileSingleFile(VCFile vcFile, VCProject vcProject, VCConfiguration vcCfg,
String additionalCmds = "")
{
var defaultCompilerString = new StringBuilder(GenerateDefaultCompilerString(vcProject, vcCfg));
defaultCompilerString.Append(" ");
defaultCompilerString.Append(additionalCmds);
defaultCompilerString.Append(" ");
var compileString = new StringBuilder(1024);
var Artifacts = new HashSet<String>();
if (InternalBuildVCFile(vcFile, vcProject, vcCfg, defaultCompilerString.ToString(), ref compileString,
Artifacts))
{
WriteToOutputPane("\nCompile Successful\n");
return true;
}
return false;
}
/// <summary>
/// main worker function to build a project, swapping in our own tools as desired
/// </summary>
public bool BuildProject(VCProject vcProject, VCConfiguration vcCfg, bool justLink)
{
String defaultCompilerString = GenerateDefaultCompilerString(vcProject, vcCfg);
// get the various VC tools to read out setup
var fTools = (IVCCollection)vcCfg.Tools;
var vcLinkerTool = (VCLinkerTool)fTools.Item("VCLinkerTool");
var vcLibTool = (VCLibrarianTool)fTools.Item("VCLibrarianTool");
if (vcLinkerTool != null)
{
if (vcLinkerTool.SubSystem != subSystemOption.subSystemWindows &&
vcLinkerTool.SubSystem != subSystemOption.subSystemConsole)
{
WriteToOutputPane("Unsupported subsystem type - " + vcLinkerTool.SubSystem.ToString() +
" - (Windows/Console only)\n");
return false;
}
}
// work out the path to the final linking result, report it
String outLink = "";
switch (vcCfg.ConfigurationType)
{
case ConfigurationTypes.typeApplication:
outLink = vcCfg.Evaluate(vcLinkerTool.OutputFile);
break;
case ConfigurationTypes.typeDynamicLibrary:
outLink = vcCfg.Evaluate(vcLinkerTool.OutputFile);
break;
case ConfigurationTypes.typeStaticLibrary:
outLink = vcCfg.Evaluate(vcLibTool.OutputFile);
break;
}
outLink.Replace("/", "\\");
// resolve path to be local to the location of the project file, if required
outLink = Path.GetFullPath(outLink);
WriteToOutputPane("Linker Output : " + outLink + "\n");
String outLinkDirectory = Path.GetDirectoryName(outLink);
if (!Directory.Exists(outLinkDirectory))
{
Directory.CreateDirectory(outLinkDirectory);
}
// ------------------ log out a batch file of build commands ------------------
if (DoGenerateBatchFiles)
{
String batchFileName = "clang_build_" + vcProject.Name.Replace(" ", "_") + "_" +
vcCfg.Name.Replace("|", "-").Replace(" ", "_") + ".bat";
String buildCommandFileName = Path.GetFullPath(vcProject.ProjectDirectory + "\\" + batchFileName);
BatchFileStream = new StreamWriter(buildCommandFileName);
WriteToOutputPane("Emitting Batch : " + batchFileName + "\n");
}
// ---------------------------- build prep ------------------------------------
// go and look up all the files that will be taking part in this build in some way
var ProjectFiles = new List<ProjectFile>(32);
var vcFileCollection = (IVCCollection)vcProject.Files;
foreach (VCFile vcFile in vcFileCollection)
{
VCFileConfiguration vcFC = GetFileConfiguration((IVCCollection)vcFile.FileConfigurations, vcCfg);
if (vcFC == null)
return false;
try
{
if (vcFC.ExcludedFromBuild)
continue;
ProjectFiles.Add(new ProjectFile(vcFile, vcFC));
}
catch (Exception)
{
// in 2012 RC we get the .filters file in here which throws an exception when ExcludedFromBuild is accessed
// not sure yet how best else to check for this...
WriteToOutputPane("Skipping : " + vcFile.ItemName + "\n");
}
}
var CompilationArtifacts = new HashSet<String>();
// ----------------------------------------------------------------------------
// the MSVC build order we will be attempting to emulate:
// ----------------------------------------------------------------------------
// Pre-Build event
// Custom build tools on individual files
// MIDL
// Resource compiler
// The C/C++ compiler
// Pre-Link event
// Linker or Librarian (as appropriate)
// Manifest Tool TBD
// BSCMake TBD
// Custom build step on the project TBD
// Post-Build event
// ----------------------------------------------------------------------------
if (justLink)
{
// dry-run the phases that generate lists of build artifacts
return (
doResourceCompiler(vcProject, vcCfg, ProjectFiles, CompilationArtifacts, true) &&
doCompileCPP(vcProject, vcCfg, ProjectFiles, CompilationArtifacts, true) &&
doPreLink(vcProject, vcCfg) &&
doLink(vcProject, vcCfg, outLink, CompilationArtifacts)
);
}
else
{
return (
doPreBuildEvents(vcProject, vcCfg) &&
doCustomBuildStepPerFile(vcProject, vcCfg, ProjectFiles) &&
doMIDL(vcProject, vcCfg, ProjectFiles) &&
doResourceCompiler(vcProject, vcCfg, ProjectFiles, CompilationArtifacts) &&
doCompileCPP(vcProject, vcCfg, ProjectFiles, CompilationArtifacts) &&
doPreLink(vcProject, vcCfg) &&
doLink(vcProject, vcCfg, outLink, CompilationArtifacts) &&
doPostBuild(vcProject, vcCfg)
);
}
}
#region Build Steps
internal bool doPreBuildEvents(VCProject vcProject, VCConfiguration vcCfg)
{
var fTools = (IVCCollection)vcCfg.Tools;
var preBuildTool = (VCPreBuildEventTool)fTools.Item("VCPreBuildEventTool");
if (!preBuildTool.ExcludedFromBuild &&
preBuildTool.CommandLine != null &&
preBuildTool.CommandLine.Length > 0)
{
WriteToOutputPane("\nPre-Build Step : " + preBuildTool.Description + "\n");
ExecuteCustomBuildToolCommandLine<VCConfiguration>(preBuildTool.CommandLine, vcCfg, vcProject);
}
return true;
}
internal bool doCustomBuildStepPerFile(VCProject vcProject, VCConfiguration vcCfg,
List<ProjectFile> ProjectFiles)
{
WriteToOutputPane("\nCustom Build Steps...\n");
// go looking for any relevant custom build steps
foreach (ProjectFile pf in ProjectFiles)
{
if ((pf.Config.Tool as VCCustomBuildTool) != null)
{
var customBuildTool = pf.Config.Tool as VCCustomBuildTool;
try
{
// a valid way to consider the custom tool to be 'active?
if (customBuildTool.CommandLine.Length > 0)
{
RunCustomBuildStep(customBuildTool, pf.File, vcProject, pf.Config, false);
}
}
catch
{
// every non-standard file (.txt, .ico, etc) will have a CustomBuildTool as its Tool, it seems;
// but that instance doesn't support any actual interrogation, so when we access CommandLine above
// it just barfs. This try/catch is here to make sure we find the real custom tools
}
}
}
return true;
}
internal bool doMIDL(VCProject vcProject, VCConfiguration vcCfg, List<ProjectFile> ProjectFiles)
{
foreach (ProjectFile pf in ProjectFiles)
{
if ((pf.Config.Tool as VCMidlTool) != null)
{
WriteToOutputPane("MIDL Compile : " + pf.File.Name);
try
{
pf.Config.Compile(false, true);
if (BatchFileStream != null)
BatchFileStream.WriteLine(
String.Format("REM -- warning - missing MIDL step in batch file for\nREM {0}",
pf.File.Name));
}
catch (Exception ex)
{
WriteToOutputPane("\nException during MIDL compilation :\n" + ex.Message + "\n");
return false;
}
}
}
return true;