cmTargetPropertyComputer: Unify whitelist handling from cmTarget

Source/cmTarget.cxx

@@ -709,13 +709,9 @@ cmBacktraceRange cmTarget::GetLinkImplementationBacktraces() const
 
 void cmTarget::SetProperty(const std::string& prop, const char* value)
 {
-  if (this->GetType() == cmState::INTERFACE_LIBRARY &&
-      !cmTargetPropertyComputer::WhiteListedInterfaceProperty(prop)) {
-    std::ostringstream e;
-    e << "INTERFACE_LIBRARY targets may only have whitelisted properties.  "
-         "The property \""
-      << prop << "\" is not allowed.";
-    this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
+  if (!cmTargetPropertyComputer::PassesWhitelist(
+        this->GetType(), prop, this->Makefile->GetMessenger(),
+        this->Makefile->GetBacktrace())) {
     return;
   }
   if (prop == "NAME") {
@@ -793,13 +789,9 @@ void cmTarget::SetProperty(const std::string& prop, const char* value)
 void cmTarget::AppendProperty(const std::string& prop, const char* value,
                               bool asString)
 {
-  if (this->GetType() == cmState::INTERFACE_LIBRARY &&
-      !cmTargetPropertyComputer::WhiteListedInterfaceProperty(prop)) {
-    std::ostringstream e;
-    e << "INTERFACE_LIBRARY targets may only have whitelisted properties.  "
-         "The property \""
-      << prop << "\" is not allowed.";
-    this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
+  if (!cmTargetPropertyComputer::PassesWhitelist(
+        this->GetType(), prop, this->Makefile->GetMessenger(),
+        this->Makefile->GetBacktrace())) {
     return;
   }
   if (prop == "NAME") {
@@ -1012,13 +1004,9 @@ const char* cmTarget::GetProperty(const std::string& prop) const
 const char* cmTarget::GetProperty(const std::string& prop,
                                   cmMakefile* context) const
 {
-  if (this->GetType() == cmState::INTERFACE_LIBRARY &&
-      !cmTargetPropertyComputer::WhiteListedInterfaceProperty(prop)) {
-    std::ostringstream e;
-    e << "INTERFACE_LIBRARY targets may only have whitelisted properties.  "
-         "The property \""
-      << prop << "\" is not allowed.";
-    context->IssueMessage(cmake::FATAL_ERROR, e.str());
+  if (!cmTargetPropertyComputer::PassesWhitelist(this->GetType(), prop,
+                                                 context->GetMessenger(),
+                                                 context->GetBacktrace())) {
     return CM_NULLPTR;
   }
 

Source/cmTargetPropertyComputer.cxx

@@ -270,3 +270,19 @@ bool cmTargetPropertyComputer::WhiteListedInterfaceProperty(
 
   return false;
 }
+
+bool cmTargetPropertyComputer::PassesWhitelist(
+  cmState::TargetType tgtType, std::string const& prop, cmMessenger* messenger,
+  cmListFileBacktrace const& context)
+{
+  if (tgtType == cmState::INTERFACE_LIBRARY &&
+      !WhiteListedInterfaceProperty(prop)) {
+    std::ostringstream e;
+    e << "INTERFACE_LIBRARY targets may only have whitelisted properties.  "
+         "The property \""
+      << prop << "\" is not allowed.";
+    messenger->IssueMessage(cmake::FATAL_ERROR, e.str(), context);
+    return false;
+  }
+  return true;
+}

Source/cmTargetPropertyComputer.h

@@ -25,6 +25,10 @@ public:
 
   static bool WhiteListedInterfaceProperty(const std::string& prop);
 
+  static bool PassesWhitelist(cmState::TargetType tgtType,
+                              std::string const& prop, cmMessenger* messenger,
+                              cmListFileBacktrace const& context);
+
 private:
   static bool HandleLocationPropertyPolicy(std::string const& tgtName,
                                            cmMessenger* messenger,