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// Copyright (c) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "haskellproject.h"
#include "haskellconstants.h"
#include <projectexplorer/buildsystem.h>
#include <projectexplorer/buildtargetinfo.h>
#include <projectexplorer/project.h>
#include <projectexplorer/projectmanager.h>
#include <projectexplorer/projectnodes.h>
#include <projectexplorer/target.h>
#include <projectexplorer/treescanner.h>
#include <utils/algorithm.h>
#include <utils/filepath.h>
#include <utils/qtcassert.h>
#include <QFile>
#include <QTextStream>
using namespace ProjectExplorer;
using namespace Utils;
namespace Haskell::Internal {
static QVector<QString> parseExecutableNames(const FilePath &projectFilePath)
{
static const QString EXECUTABLE = "executable";
static const int EXECUTABLE_LEN = EXECUTABLE.length();
QVector<QString> result;
QFile file(projectFilePath.toString());
if (file.open(QFile::ReadOnly)) {
QTextStream stream(&file);
while (!stream.atEnd()) {
const QString line = stream.readLine().trimmed();
if (line.length() > EXECUTABLE_LEN && line.startsWith(EXECUTABLE)
&& line.at(EXECUTABLE_LEN).isSpace())
result.append(line.mid(EXECUTABLE_LEN + 1).trimmed());
}
}
return result;
}
class HaskellBuildSystem final : public BuildSystem
{
public:
HaskellBuildSystem(Target *t);
void triggerParsing() final;
QString name() const final { return QLatin1String("haskell"); }
private:
void updateApplicationTargets();
private:
ParseGuard m_parseGuard;
TreeScanner m_scanner;
};
HaskellBuildSystem::HaskellBuildSystem(Target *t)
: BuildSystem(t)
{
connect(&m_scanner, &TreeScanner::finished, this, [this] {
auto root = std::make_unique<ProjectNode>(projectDirectory());
root->setDisplayName(target()->project()->displayName());
std::vector<std::unique_ptr<FileNode>> nodePtrs
= Utils::transform<std::vector>(m_scanner.release().allFiles, [](FileNode *fn) {
return std::unique_ptr<FileNode>(fn);
});
root->addNestedNodes(std::move(nodePtrs));
setRootProjectNode(std::move(root));
updateApplicationTargets();
m_parseGuard.markAsSuccess();
m_parseGuard = {};
emitBuildSystemUpdated();
});
connect(target()->project(),
&Project::projectFileIsDirty,
this,
&BuildSystem::requestDelayedParse);
requestDelayedParse();
}
void HaskellBuildSystem::triggerParsing()
{
m_parseGuard = guardParsingRun();
m_scanner.asyncScanForFiles(target()->project()->projectDirectory());
}
void HaskellBuildSystem::updateApplicationTargets()
{
const QVector<QString> executables = parseExecutableNames(projectFilePath());
const Utils::FilePath projFilePath = projectFilePath();
const QList<BuildTargetInfo> appTargets
= Utils::transform<QList>(executables, [projFilePath](const QString &executable) {
BuildTargetInfo bti;
bti.displayName = executable;
bti.buildKey = executable;
bti.targetFilePath = FilePath::fromString(executable);
bti.projectFilePath = projFilePath;
bti.isQtcRunnable = true;
return bti;
});
setApplicationTargets(appTargets);
target()->updateDefaultRunConfigurations();
}
class HaskellProject final : public Project
{
public:
explicit HaskellProject(const FilePath &fileName)
: Project(Constants::C_HASKELL_PROJECT_MIMETYPE, fileName)
{
setId(Constants::C_HASKELL_PROJECT_ID);
setDisplayName(fileName.toFileInfo().completeBaseName());
setBuildSystemCreator([](Target *t) { return new HaskellBuildSystem(t); });
}
};
void setupHaskellProject()
{
ProjectManager::registerProjectType<HaskellProject>(
Constants::C_HASKELL_PROJECT_MIMETYPE);
}
} // Haskell::Internal
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