tools: add test to validate existence of needed classes

[nit.git] / src / syntax / syntax_base.nit

diff --git a/src/syntax/syntax_base.nit b/src/syntax/syntax_base.nit
index 56c6a1c..824ea50 100644 (file)
--- a/src/syntax/syntax_base.nit
+++ b/src/syntax/syntax_base.nit
@@ -287,12 +287,14 @@ class AbsSyntaxVisitor
 special Visitor
        fun get_type_by_name(clsname: Symbol): MMType
        do
+               if not _module.has_global_class_named(clsname) then _tc.fatal_error(_module.location, "Missing necessary class: \"{clsname}\"")
                var cls = _module.class_by_name(clsname)
                return cls.get_type
        end
 
        fun get_instantiated_type_by_name(clsname: Symbol, vtype: Array[MMType]): MMType
        do
+               if not _module.has_global_class_named(clsname) then _tc.fatal_error(_module.location, "Missing necessary class: \"{clsname}\"")
                var cls = _module.class_by_name(clsname)
                return cls.get_instantiate_type(vtype)
        end