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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmTargetPropertyComputer_h
#define cmTargetPropertyComputer_h
#include <cmConfigure.h> // IWYU pragma: keep
#include "cmListFileCache.h"
#include "cmSystemTools.h"
#include <map>
#include <string>
class cmTarget;
class cmMessenger;
class cmTargetPropertyComputer
{
public:
template <typename Target>
static const char* GetProperty(Target const* tgt, const std::string& prop,
cmMessenger* messenger,
cmListFileBacktrace const& context)
{
if (const char* loc = GetLocation(tgt, prop, messenger, context)) {
return loc;
}
if (cmSystemTools::GetFatalErrorOccured()) {
return CM_NULLPTR;
}
if (prop == "SOURCES") {
return GetSources(tgt, messenger, context);
}
return CM_NULLPTR;
}
static bool WhiteListedInterfaceProperty(const std::string& prop);
static bool PassesWhitelist(cmStateEnums::TargetType tgtType,
std::string const& prop, cmMessenger* messenger,
cmListFileBacktrace const& context);
private:
static bool HandleLocationPropertyPolicy(std::string const& tgtName,
cmMessenger* messenger,
cmListFileBacktrace const& context);
template <typename Target>
static const char* ComputeLocationForBuild(Target const* tgt);
template <typename Target>
static const char* ComputeLocation(Target const* tgt,
std::string const& config);
template <typename Target>
static const char* GetLocation(Target const* tgt, std::string const& prop,
cmMessenger* messenger,
cmListFileBacktrace const& context)
{
// Watch for special "computed" properties that are dependent on
// other properties or variables. Always recompute them.
if (tgt->GetType() == cmStateEnums::EXECUTABLE ||
tgt->GetType() == cmStateEnums::STATIC_LIBRARY ||
tgt->GetType() == cmStateEnums::SHARED_LIBRARY ||
tgt->GetType() == cmStateEnums::MODULE_LIBRARY ||
tgt->GetType() == cmStateEnums::UNKNOWN_LIBRARY) {
static const std::string propLOCATION = "LOCATION";
if (prop == propLOCATION) {
if (!tgt->IsImported() &&
!HandleLocationPropertyPolicy(tgt->GetName(), messenger,
context)) {
return CM_NULLPTR;
}
return ComputeLocationForBuild(tgt);
}
// Support "LOCATION_<CONFIG>".
else if (cmHasLiteralPrefix(prop, "LOCATION_")) {
if (!tgt->IsImported() &&
!HandleLocationPropertyPolicy(tgt->GetName(), messenger,
context)) {
return CM_NULLPTR;
}
const char* configName = prop.c_str() + 9;
return ComputeLocation(tgt, configName);
}
// Support "<CONFIG>_LOCATION".
else if (cmHasLiteralSuffix(prop, "_LOCATION") &&
!cmHasLiteralPrefix(prop, "XCODE_ATTRIBUTE_")) {
std::string configName(prop.c_str(), prop.size() - 9);
if (configName != "IMPORTED") {
if (!tgt->IsImported() &&
!HandleLocationPropertyPolicy(tgt->GetName(), messenger,
context)) {
return CM_NULLPTR;
}
return ComputeLocation(tgt, configName);
}
}
}
return CM_NULLPTR;
}
template <typename Target>
static const char* GetSources(Target const* tgt, cmMessenger* messenger,
cmListFileBacktrace const& context);
};
#endif
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