GenericProjectManager: Support framework paths

Rather than adding yet another meta file, we use the .includes file with
a special line prefix.

Fixes: QTCREATORBUG-20099
Change-Id: I494e0143b8e0f1f8828a56d7487b2201f1680337
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

doc/src/projects/creator-only/creator-projects-generic.qdoc

@@ -65,7 +65,7 @@
 
                \li  \l{Specifying Files}{.files}
 
-               \li  \l{Specifying Include Paths}{.includes}
+               \li  \l{Specifying Include Paths and Framework Paths}{.includes}
 
                \li  \l{Specifying Defines}{.config}
 
@@ -114,12 +114,14 @@
     git ls-files "*.cpp" "*.h" > MyProject.files
     \endcode
 
-    \section1 Specifying Include Paths
+    \section1 Specifying Include Paths and Framework Paths
 
     The include paths are specified in the \tt{.includes} file, one include
     path per line. The paths can be either absolute or relative to the
     \tt{.includes} file.
 
+    Lines starting with "-F" are interpreted as framework paths.
+
     \section1 Specifying Defines
 
     The defines are specified in the \tt{.config} file. The \tt{.config} file is

src/plugins/genericprojectmanager/genericproject.cpp

@@ -291,7 +291,8 @@ bool GenericProject::addFiles(const QStringList &filePaths)
     for (const QString &filePath : filePaths)
         insertSorted(&newList, baseDir.relativeFilePath(filePath));
 
-    const QSet<QString> includes = Utils::toSet(m_projectIncludePaths);
+    const auto includes = transform<QSet<QString>>(m_projectIncludePaths,
+                                                   [](const HeaderPath &hp) { return hp.path; });
     QSet<QString> toAdd;
 
     for (const QString &filePath : filePaths) {
@@ -375,7 +376,21 @@ void GenericProject::parseProject(RefreshOptions options)
 
     if (options & Configuration) {
         m_rawProjectIncludePaths = readLines(m_includesFileName);
-        m_projectIncludePaths = processEntries(m_rawProjectIncludePaths);
+        QStringList normalPaths;
+        QStringList frameworkPaths;
+        for (const QString &rawPath : m_rawProjectIncludePaths) {
+            if (rawPath.startsWith("-F"))
+                frameworkPaths << rawPath.mid(2);
+            else
+                normalPaths << rawPath;
+        }
+        const auto stringsToHeaderPaths = [this](const QStringList &paths, HeaderPathType type) {
+            return transform<HeaderPaths>(processEntries(paths),
+                                          [type](const QString &p) { return HeaderPath(p, type);
+            });
+        };
+        m_projectIncludePaths = stringsToHeaderPaths(normalPaths, HeaderPathType::User);
+        m_projectIncludePaths << stringsToHeaderPaths(frameworkPaths, HeaderPathType::Framework);
         m_cxxflags = readFlags(m_cxxflagsFileName);
         m_cflags = readFlags(m_cflagsFileName);
 
@@ -499,7 +514,7 @@ void GenericProject::refreshCppCodeModel()
     rpp.setDisplayName(displayName());
     rpp.setProjectFileLocation(projectFilePath().toString());
     rpp.setQtVersion(kitInfo.projectPartQtVersion);
-    rpp.setIncludePaths(m_projectIncludePaths);
+    rpp.setHeaderPaths(m_projectIncludePaths);
     rpp.setConfigFileName(m_configFileName);
     rpp.setFlagsForCxx({nullptr, m_cxxflags});
     rpp.setFlagsForC({nullptr, m_cflags});

src/plugins/genericprojectmanager/genericproject.h

@@ -25,6 +25,7 @@
 
 #pragma once
 
+#include <projectexplorer/headerpath.h>
 #include <projectexplorer/project.h>
 #include <utils/fileutils.h>
 
@@ -82,7 +83,7 @@ private:
     QStringList m_files;
     QHash<QString, QString> m_rawListEntries;
     QStringList m_rawProjectIncludePaths;
-    QStringList m_projectIncludePaths;
+    ProjectExplorer::HeaderPaths m_projectIncludePaths;
     QStringList m_cxxflags;
     QStringList m_cflags;