Merge: Added contributing guidelines and link from readme

[nit.git] / src / modelbuilder_base.nit

diff --git a/src/modelbuilder_base.nit b/src/modelbuilder_base.nit
index 85bb115..5cc235f 100644 (file)
--- a/src/modelbuilder_base.nit
+++ b/src/modelbuilder_base.nit
@@ -348,6 +348,12 @@ class ModelBuilder
                var name = qid.n_id.text
                var qname = qid.full_name
 
+               if bad_class_names[mmodule].has(qname) then
+                       error(qid, "Error: class `{qname}` not found in module `{mmodule}`.")
+                       return
+               end
+               bad_class_names[mmodule].add(qname)
+
                var all_classes = model.get_mclasses_by_name(name)
                var hints = new Array[String]
 
@@ -404,6 +410,10 @@ class ModelBuilder
                error(qid, "Error: class `{qname}` not found in module `{mmodule}`.")
        end
 
+       # List of already reported bad class names.
+       # Used to not perform and repeat hints again and again.
+       private var bad_class_names = new MultiHashMap[MModule, String]
+
        # Return the static type associated to the node `ntype`.
        # `mmodule` and `mclassdef` is the context where the call is made (used to understand formal types)
        # In case of problem, an error is displayed on `ntype` and null is returned.