CMake: Add initial fileapireader class

Change-Id: I620cba7cc1c2a5ac56789fa9770dce573c6b19cd
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/cmakeprojectmanager/fileapiparser.h

@@ -0,0 +1,269 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "cmakeconfigitem.h"
+
+#include <projectexplorer/headerpath.h>
+#include <projectexplorer/projectmacro.h>
+
+#include <utils/filesystemwatcher.h>
+#include <utils/fileutils.h>
+
+#include <QObject>
+
+namespace CMakeProjectManager {
+namespace Internal {
+
+namespace FileApiDetails {
+
+class ReplyObject
+{
+public:
+    QString kind;
+    QString file;
+    std::pair<int, int> version;
+};
+
+class ReplyFileContents
+{
+public:
+    QString generator;
+    QString cmakeExecutable;
+    QString cmakeRoot;
+
+    QVector<ReplyObject> replies;
+
+    QString jsonFile(const QString &kind, const QDir &replyDir) const;
+};
+
+class CMakeFileInfo
+{
+public:
+    QString path;
+    bool isCMake = false;
+    bool isCMakeListsDotTxt = false;
+    bool isExternal = false;
+    bool isGenerated = false;
+};
+
+class Directory
+{
+public:
+    QString buildPath;
+    QString sourcePath;
+    int parent = -1;
+    int project = -1;
+    std::vector<int> children;
+    std::vector<int> targets;
+    bool hasInstallRule = false;
+};
+
+class Project
+{
+public:
+    QString name;
+    int parent = -1;
+    std::vector<int> children;
+    std::vector<int> directories;
+    std::vector<int> targets;
+};
+
+class Target
+{
+public:
+    // From codemodel file:
+    QString name;
+    QString id;
+    int directory = -1;
+    int project = -1;
+    QString jsonFile;
+};
+
+class Configuration
+{
+public:
+    QString name;
+    std::vector<Directory> directories;
+    std::vector<Project> projects;
+    std::vector<Target> targets;
+};
+
+class InstallDestination
+{
+public:
+    QString path;
+    int backtrace;
+};
+
+class FragmentInfo
+{
+public:
+    QString fragment;
+    QString role;
+};
+
+class LinkInfo
+{
+public:
+    QString language;
+    std::vector<FragmentInfo> fragments;
+    bool isLto = false;
+    QString sysroot;
+};
+
+class ArchiveInfo
+{
+public:
+    std::vector<FragmentInfo> fragments;
+    bool isLto = false;
+};
+
+class DependencyInfo
+{
+public:
+    QString targetId;
+    int backtrace;
+};
+
+class SourceInfo
+{
+public:
+    QString path;
+    int compileGroup = -1;
+    int sourceGroup = -1;
+    int backtrace = -1;
+    bool isGenerated = false;
+};
+
+class IncludeInfo
+{
+public:
+    ProjectExplorer::HeaderPath path;
+    int backtrace;
+};
+
+class DefineInfo
+{
+public:
+    ProjectExplorer::Macro define;
+    int backtrace;
+};
+
+class CompileInfo
+{
+public:
+    std::vector<int> sources;
+    QString language;
+    QStringList fragments;
+    std::vector<IncludeInfo> includes;
+    std::vector<DefineInfo> defines;
+    QString sysroot;
+};
+
+class BacktraceNode
+{
+public:
+    int file = -1;
+    int line = -1;
+    int command = -1;
+    int parent = -1;
+};
+
+class BacktraceInfo
+{
+public:
+    std::vector<QString> commands;
+    std::vector<QString> files;
+    std::vector<BacktraceNode> nodes;
+};
+
+class TargetDetails
+{
+public:
+    QString name;
+    QString id;
+    QString type;
+    QString folderTargetProperty;
+    Utils::FilePath sourceDir;
+    Utils::FilePath buildDir;
+    int backtrace = -1;
+    bool isGeneratorProvided = false;
+    QString nameOnDisk;
+    QList<Utils::FilePath> artifacts;
+    QString installPrefix;
+    std::vector<InstallDestination> installDestination;
+    Utils::optional<LinkInfo> link;
+    Utils::optional<ArchiveInfo> archive;
+    std::vector<DependencyInfo> dependencies;
+    std::vector<SourceInfo> sources;
+    std::vector<QString> sourceGroups;
+    std::vector<CompileInfo> compileGroups;
+    BacktraceInfo backtraceGraph;
+};
+
+} // namespace FileApiDetails
+
+class FileApiData
+{
+public:
+    FileApiDetails::ReplyFileContents replyFile;
+    CMakeConfig cache;
+    std::vector<FileApiDetails::CMakeFileInfo> cmakeFiles;
+    std::vector<FileApiDetails::Configuration> codemodel;
+    std::vector<FileApiDetails::TargetDetails> targetDetails;
+};
+
+class FileApiParser : public QObject
+{
+    Q_OBJECT
+
+public:
+    FileApiParser(const Utils::FilePath &sourceDirectory, const Utils::FilePath &buildDirectory);
+    ~FileApiParser() final;
+
+    Utils::FilePath cmakeReplyDirectory() const;
+    QFileInfo scanForCMakeReplyFile() const;
+
+    static FileApiData parseData(const QFileInfo &replyFileInfo, QString &errorMessage);
+
+signals:
+    void dataAvailable() const;
+    void errorOccurred(const QString &message) const;
+    void dirty() const;
+
+private:
+    void setupCMakeFileApi() const;
+
+    const Utils::FilePath &m_sourceDirectory;
+    const Utils::FilePath &m_buildDirectory;
+
+    void replyDirectoryHasChanged(const QString &directory) const;
+    Utils::FileSystemWatcher m_watcher;
+};
+
+} // namespace Internal
+} // namespace CMakeProjectManager