ProjectExplorer: Move BuildSystem owership to BuildConfiguration

... or Target.

This patch moves build system from conceptually "one per project"
to "one per target (i.e. per project-and-kit)" or "per
BuildConfigurations" for targets where the builds differ
significantly.

Building requires usually items from the kit (Qt version, compiler,
...) so a target-agnostic build is practically almost always wrong.

Moving the build system to the target also has the potential
to solve issues caused by switching targets while parsing, that
used Project::activeTarget() regularly, with potentially different
results before and after the switch.

This patch might create performance/size regressions when several
targets are set up per project as the build system implementation's
internal data are duplicated in this case.

The idea is to fix that by sharing per-project pieces again in
the project implementation once these problems occur.

Change-Id: I87f640ce418b93175b5029124eaa55f3b8721dca
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
This commit is contained in:
hjk
2019-10-25 09:55:32 +02:00
parent 9073c46c9c
commit 2758682723
127 changed files with 2541 additions and 2532 deletions

View File

@@ -25,9 +25,12 @@
#include "nimbuildsystem.h"
#include "nimproject.h"
#include "nimbleproject.h"
#include "nimprojectnode.h"
#include <projectexplorer/target.h>
#include <utils/algorithm.h>
#include <utils/fileutils.h>
#include <utils/qtcassert.h>
@@ -42,11 +45,11 @@ namespace Nim {
const char SETTINGS_KEY[] = "Nim.BuildSystem";
const char EXCLUDED_FILES_KEY[] = "ExcludedFiles";
NimBuildSystem::NimBuildSystem(Project *project)
: BuildSystem(project)
NimBuildSystem::NimBuildSystem(Target *target)
: BuildSystem(target)
{
connect(project, &Project::settingsLoaded, this, &NimBuildSystem::loadSettings);
connect(project, &Project::aboutToSaveSettings, this, &NimBuildSystem::saveSettings);
connect(target->project(), &Project::settingsLoaded, this, &NimBuildSystem::loadSettings);
connect(target->project(), &Project::aboutToSaveSettings, this, &NimBuildSystem::saveSettings);
connect(&m_scanner, &TreeScanner::finished, this, &NimBuildSystem::updateProject);
m_scanner.setFilter([this](const Utils::MimeType &, const Utils::FilePath &fp) {
@@ -64,17 +67,16 @@ NimBuildSystem::NimBuildSystem(Project *project)
bool NimBuildSystem::addFiles(const QStringList &filePaths)
{
m_excludedFiles = Utils::filtered(m_excludedFiles, [&](const QString & f) {
setExcludedFiles(Utils::filtered(excludedFiles(), [&](const QString & f) {
return !filePaths.contains(f);
});
}));
requestParse();
return true;
}
bool NimBuildSystem::removeFiles(const QStringList &filePaths)
{
m_excludedFiles.append(filePaths);
m_excludedFiles = Utils::filteredUnique(m_excludedFiles);
setExcludedFiles(Utils::filteredUnique(excludedFiles() + filePaths));
requestParse();
return true;
}
@@ -82,27 +84,27 @@ bool NimBuildSystem::removeFiles(const QStringList &filePaths)
bool NimBuildSystem::renameFile(const QString &filePath, const QString &newFilePath)
{
Q_UNUSED(filePath)
m_excludedFiles.removeOne(newFilePath);
QStringList files = excludedFiles();
files.removeOne(newFilePath);
setExcludedFiles(files);
requestParse();
return true;
}
void NimBuildSystem::setExcludedFiles(const QStringList &list)
{
m_excludedFiles = list;
static_cast<NimProject *>(project())->setExcludedFiles(list);
}
QStringList NimBuildSystem::excludedFiles()
{
return m_excludedFiles;
return static_cast<NimProject *>(project())->excludedFiles();
}
void NimBuildSystem::parseProject(BuildSystem::ParsingContext &&ctx)
void NimBuildSystem::triggerParsing()
{
QTC_ASSERT(!m_currentContext.project, return );
m_currentContext = std::move(ctx);
QTC_CHECK(m_currentContext.project);
m_scanner.asyncScanForFiles(m_currentContext.project->projectDirectory());
m_guard = guardParsingRun();
m_scanner.asyncScanForFiles(projectDirectory());
}
const FilePathList NimBuildSystem::nimFiles() const
@@ -116,7 +118,7 @@ void NimBuildSystem::loadSettings()
{
QVariantMap settings = project()->namedSettings(SETTINGS_KEY).toMap();
if (settings.contains(EXCLUDED_FILES_KEY))
m_excludedFiles = settings.value(EXCLUDED_FILES_KEY, m_excludedFiles).toStringList();
setExcludedFiles(settings.value(EXCLUDED_FILES_KEY, excludedFiles()).toStringList());
requestParse();
}
@@ -124,7 +126,7 @@ void NimBuildSystem::loadSettings()
void NimBuildSystem::saveSettings()
{
QVariantMap settings;
settings.insert(EXCLUDED_FILES_KEY, m_excludedFiles);
settings.insert(EXCLUDED_FILES_KEY, excludedFiles());
project()->setNamedSettings(SETTINGS_KEY, settings);
}
@@ -156,8 +158,8 @@ void NimBuildSystem::updateProject()
}
// Complete scan
m_currentContext.guard.markAsSuccess();
m_currentContext = {};
m_guard.markAsSuccess();
m_guard = {}; // Trigger destructor of previous object, emitting parsingFinished()
}
bool NimBuildSystem::supportsAction(Node *context, ProjectAction action, const Node *node) const