Add a warning if FMU is generated without compile-time URI

Belonging to [master]:
  - OpenModelica/OpenModelica#127
  - #3037

Author: sjoelund

Compiler/SimCode/SimCodeUtil.mo

@@ -13988,10 +13988,15 @@ function findResources
   input Mutable<Boolean> unknownUri;
 protected
   String f;
+  DAE.Exp e1;
 algorithm
   tree := match e
     case DAE.CALL(path=Absyn.IDENT("OpenModelica_fmuLoadResource"), expLst={DAE.SCONST(f)}) then AvlSetString.add(tree, f);
-    case DAE.CALL(path=Absyn.IDENT("OpenModelica_uriToFilename")) algorithm Mutable.update(unknownUri, true); then tree;
+    case DAE.CALL(path=Absyn.IDENT("OpenModelica_uriToFilename"), expLst=e1::_)
+      algorithm
+        Error.addMessage(Error.FMI_URI_RESOLVE, {ExpressionDump.printExpStr(e1)});
+        Mutable.update(unknownUri, true);
+      then tree;
     else tree;
   end match;
 end findResources;

Compiler/Util/Error.mo

@@ -1014,6 +1014,8 @@ public constant Message OCG_MISSING_BRANCH = MESSAGE(594, TRANSLATION(), WARNING
   Util.gettext("Connections.rooted(%s) needs exactly one statement Connections.branch(%s, B.R) involving %s but we found none in the graph. Run with -d=cgraphGraphVizFile to debug"));
 public constant Message UNBOUND_PARAMETER_EVALUATE_TRUE = MESSAGE(594, TRANSLATION(), WARNING(),
   Util.gettext("Parameter %s has annotation(Evaluate=true) and no binding."));
+public constant Message FMI_URI_RESOLVE = MESSAGE(595, TRANSLATION(), WARNING(),
+  Util.gettext("Could not resolve URI (%s) at compile-time; copying all loaded packages into the FMU"));
 
 public constant Message MATCH_SHADOWING = MESSAGE(5001, TRANSLATION(), ERROR(),
   Util.gettext("Local variable '%s' shadows another variable."));