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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. */
#include "cmGetTargetPropertyCommand.h"
#include <sstream>
#include "cmExecutionStatus.h"
#include "cmListFileCache.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmProperty.h"
#include "cmTarget.h"
#include "cmTargetPropertyComputer.h"
class cmMessenger;
bool cmGetTargetPropertyCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.size() != 3) {
status.SetError("called with incorrect number of arguments");
return false;
}
std::string const& var = args[0];
std::string const& targetName = args[1];
std::string prop;
bool prop_exists = false;
cmMakefile& mf = status.GetMakefile();
if (cmTarget* tgt = mf.FindTargetToUse(targetName)) {
if (args[2] == "ALIASED_TARGET") {
if (mf.IsAlias(targetName)) {
prop = tgt->GetName();
prop_exists = true;
}
} else if (!args[2].empty()) {
cmProp prop_cstr = nullptr;
cmListFileBacktrace bt = mf.GetBacktrace();
cmMessenger* messenger = mf.GetMessenger();
if (cmTargetPropertyComputer::PassesWhitelist(tgt->GetType(), args[2],
messenger, bt)) {
prop_cstr = tgt->GetComputedProperty(args[2], messenger, bt);
if (!prop_cstr) {
prop_cstr = tgt->GetProperty(args[2]);
}
}
if (prop_cstr) {
prop = *prop_cstr;
prop_exists = true;
}
}
} else {
bool issueMessage = false;
std::ostringstream e;
MessageType messageType = MessageType::AUTHOR_WARNING;
switch (mf.GetPolicyStatus(cmPolicies::CMP0045)) {
case cmPolicies::WARN:
issueMessage = true;
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0045) << "\n";
case cmPolicies::OLD:
break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
issueMessage = true;
messageType = MessageType::FATAL_ERROR;
}
if (issueMessage) {
e << "get_target_property() called with non-existent target \""
<< targetName << "\".";
mf.IssueMessage(messageType, e.str());
if (messageType == MessageType::FATAL_ERROR) {
return false;
}
}
}
if (prop_exists) {
mf.AddDefinition(var, prop);
return true;
}
mf.AddDefinition(var, var + "-NOTFOUND");
return true;
}
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