void ModuleMerger::mergeOutProps(Item::PropertyMap *dst, const Item::PropertyMap &src)
{
for (auto it = src.constBegin(); it != src.constEnd(); ++it) {
ValuePtr &v = (*dst)[it.key()];
if (!v) {
v = it.value();
QBS_ASSERT(it.value(), continue);
continue;
}
// possible conflict
JSSourceValuePtr dstVal = v.dynamicCast<JSSourceValue>();
if (!dstVal)
continue;
JSSourceValuePtr srcVal = it.value().dynamicCast<JSSourceValue>();
if (!srcVal)
continue;
const PropertyDeclaration pd = m_decls.value(srcVal);
if (!pd.isValid())
continue;
if (pd.isScalar()) {
if (dstVal->sourceCode() != srcVal->sourceCode()) {
m_logger.qbsWarning() << Tr::tr("Conflicting scalar values at %1 and %2.").arg(
dstVal->location().toString(),
srcVal->location().toString());
// TODO: yield error with a hint how to solve the conflict.
}
v = it.value();
} else {
lastInNextChain(dstVal)->setNext(srcVal);
}
}
void ModuleMerger::start()
{
Item::Module m;
m.item = m_rootItem;
const Item::PropertyMap props = dfs(m, Item::PropertyMap());
if (m_required)
m_mergedModule.required = true;
m_mergedModule.versionRange.narrowDown(m_versionRange);
Item::PropertyMap mergedProps = m_mergedModule.item->properties();
Item *moduleProto = m_mergedModule.item->prototype();
while (moduleProto->prototype())
moduleProto = moduleProto->prototype();
for (auto it = props.constBegin(); it != props.constEnd(); ++it) {
appendPrototypeValueToNextChain(moduleProto, it.key(), it.value());
mergedProps[it.key()] = it.value();
}
m_mergedModule.item->setProperties(mergedProps);
foreach (Item *moduleInstanceContainer, m_moduleInstanceContainers) {
Item::Modules modules;
foreach (const Item::Module &dep, moduleInstanceContainer->modules()) {
const bool isTheModule = dep.name == m_mergedModule.name;
Item::Module m = dep;
if (isTheModule && m.item != m_mergedModule.item) {
QBS_CHECK(m.item->type() == ItemType::ModuleInstance);
replaceItemInValues(m.name, moduleInstanceContainer, m.item);
replaceItemInScopes(m.item);
m.item = m_mergedModule.item;
if (m_required)
m.required = true;
m.versionRange.narrowDown(m_versionRange);
}
modules << m;
}
moduleInstanceContainer->setModules(modules);
}