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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using Process = System.Diagnostics.Process;
namespace QtVsTools.Core
{
using QtVsTools.Common;
using static Common.Utils;
using static SyntaxAnalysis.RegExpr;
public static class QMakeImport
{
private class QMakeProcess : QMake
{
private readonly VersionInformation qtVersion;
public QMakeProcess(VersionInformation versionInfo)
: base(versionInfo.QtDir)
{
qtVersion = versionInfo;
}
protected override void InfoStart(Process qmakeProc)
{
base.InfoStart(qmakeProc);
InfoMsg(qmakeProc, $"Working Directory: {qmakeProc.StartInfo.WorkingDirectory}");
InfoMsg(qmakeProc, qmakeProc.StartInfo.Arguments);
if (!qmakeProc.StartInfo.EnvironmentVariables.ContainsKey("QMAKESPEC"))
return;
var qmakeSpec = qmakeProc.StartInfo.EnvironmentVariables["QMAKESPEC"];
if (qmakeSpec == qtVersion?.QMakeSpecDirectory)
return;
InfoMsg(qmakeProc, "Variable QMAKESPEC overwriting Qt version QMAKESPEC.");
InfoMsg(qmakeProc, $"Qt version QMAKESPEC: {qtVersion?.QMakeSpecDirectory}");
InfoMsg(qmakeProc, $"Environment variable QMAKESPEC: {qmakeSpec}");
}
public override int Run()
{
using var qmakeProc = CreateProcess();
if (qtVersion is null)
OutMsg(qmakeProc, "vcvars: Qt version may not be null");
if (!SetVcVars(qmakeProc.StartInfo))
OutMsg(qmakeProc, "Error setting VC vars");
return Run(qmakeProc);
}
private static LazyFactory StaticLazy { get; } = new();
private static Parser EnvVarParser => StaticLazy.Get(() => EnvVarParser, () =>
{
var tokenName = new Token("name", (~Chars["=\r\n"]).Repeat(atLeast: 1));
var tokenValuePart = new Token("value_part", (~Chars[";\r\n"]).Repeat(atLeast: 1));
var tokenValue = new Token("value", (tokenValuePart | Chars[';']).Repeat())
{
new Rule<List<string>>
{
Capture(_ => new List<string>()),
Update("value_part", (List<string> parts, string part) => parts.Add(part))
}
};
var tokenEnvVar = new Token("env_var", tokenName & "=" & tokenValue & LineBreak)
{
new Rule<KeyValuePair<string, List<string>>>
{
Create("name", (string name)
=> new KeyValuePair<string, List<string>>(name, null)),
Transform("value", (KeyValuePair<string, List<string>> prop, List<string> value)
=> new KeyValuePair<string, List<string>>(prop.Key, value))
}
};
return tokenEnvVar.Render();
});
private bool SetVcVars(ProcessStartInfo startInfo)
{
if (string.IsNullOrEmpty(VcPath))
return false;
// Select vcvars script according to host and target platforms
var osIs64Bit = Environment.Is64BitOperatingSystem;
string vcVarsCmd;
switch (qtVersion?.Platform) {
case Platform.x86:
vcVarsCmd = Path.Combine(VcPath, osIs64Bit
? @"Auxiliary\Build\vcvarsamd64_x86.bat"
: @"Auxiliary\Build\vcvars32.bat");
break;
case Platform.x64:
vcVarsCmd = Path.Combine(VcPath, osIs64Bit
? @"Auxiliary\Build\vcvars64.bat"
: @"Auxiliary\Build\vcvarsx86_amd64.bat");
break;
case Platform.arm64:
vcVarsCmd = Path.Combine(VcPath, osIs64Bit
? @"Auxiliary\Build\vcvarsamd64_arm64.bat"
: @"Auxiliary\Build\vcvarsx86_arm64.bat");
if (!File.Exists(vcVarsCmd)) {
vcVarsCmd = Path.Combine(VcPath, osIs64Bit
? @"Auxiliary\Build\vcvars64.bat"
: @"Auxiliary\Build\vcvarsx86_amd64.bat");
}
break;
default:
Messages.Print(">>> vcvars: Cannot set path");
return false;
}
if (!File.Exists(vcVarsCmd)) {
Messages.Print(">>> vcvars: NOT FOUND");
return false;
}
// Run vcvars and print environment variables
var stdOut = new StringBuilder();
var command = $"/c \"{vcVarsCmd}\" && set";
var comspecPath = Environment.GetEnvironmentVariable("COMSPEC");
var vcVarsStartInfo = new ProcessStartInfo(comspecPath, command)
{
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true
};
var process = Process.Start(vcVarsStartInfo);
if (process == null)
return false;
var vcVarsProcId = process.Id;
Messages.Print($"--- vcvars({vcVarsProcId}): {vcVarsCmd}");
process.OutputDataReceived += (_, e) =>
{
if (string.IsNullOrEmpty(e.Data))
return;
var data = e.Data.TrimEnd('\r', '\n');
if (!string.IsNullOrEmpty(data))
stdOut.Append($"{data}\r\n");
};
process.BeginOutputReadLine();
process.WaitForExit();
var ok = process.ExitCode == 0;
process.Close();
if (!ok)
return false;
// Parse command output: copy environment variables to startInfo
var envVars = EnvVarParser.Parse(stdOut.ToString())
.GetValues<KeyValuePair<string, List<string>>>("env_var")
.ToDictionary(envVar => envVar.Key, envVar => envVar.Value ?? new(), CaseIgnorer);
foreach (var vcVar in envVars)
startInfo.Environment[vcVar.Key] = string.Join(";", vcVar.Value);
// Warn if cl.exe is not in PATH
var clPath = envVars["PATH"]
.Select(path => Path.Combine(path, "cl.exe"))
.FirstOrDefault(File.Exists);
Messages.Print(string.IsNullOrEmpty(clPath)
? $">>> vcvars({vcVarsProcId}): cl path NOT FOUND"
: $"--- vcvars({vcVarsProcId}): cl path: {clPath}");
return true;
}
}
public static string VcPath { get; set; }
public static int Run(VersionInformation versionInfo, string proFilePath,
bool recursiveRun = false, bool disableWarnings = false)
{
versionInfo ??= VersionInformation.GetOrAddByName(QtVersionManager.GetDefaultVersion());
var qmake = new QMakeProcess(versionInfo) {
ProFile = proFilePath,
TemplatePrefix = "vc",
Recursive = recursiveRun,
DisableWarnings = disableWarnings,
OutputFile = recursiveRun ? null : Path.ChangeExtension(proFilePath, ".vcxproj"),
Vars = new Dictionary<string, string> {
{"QMAKE_INCDIR_QT", @"$(QTDIR)\include"},
{"QMAKE_LIBDIR", @"$(QTDIR)\lib"},
{"QMAKE_MOC", @"$(QTDIR)\bin\moc.exe"},
{"QMAKE_QMAKE", @"$(QTDIR)\bin\qmake.exe"}
}
};
return qmake.Run();
}
}
}
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