X-Git-Url: http://nitlanguage.org

diff --git a/src/parser_util.nit b/src/parser_util.nit
index f23ccda..ff97a78 100644
--- a/src/parser_util.nit
+++ b/src/parser_util.nit
@@ -83,6 +83,20 @@ redef class ToolContext
 		return nexpr
 	end
 
+	# Parse a super class declaration
+	# Fatal error if the `string` is not a syntactically correct super class declaration
+	fun parse_superclass(string: String): ASuperclass
+	do
+		var mod_string = "class Dummy\nsuper {string}\nend"
+		var nclassdef = parse_classdef(mod_string).as(AStdClassdef)
+		var nsuperclasses = nclassdef.n_superclasses
+		if nsuperclasses.length != 1 then
+			self.fatal_error(null, "Fatal Error: not a super class declaration")
+			abort
+		end
+		return nsuperclasses.first
+	end
+
 	# Try to parse the `string` as something
 	#
 	# Returns the first possible syntacticaly correct type among:
@@ -234,7 +248,7 @@ class InjectedLexer
 end
 
 redef class ANode
-	# Return an array of tokens that match a given text
+	# Do a deep search and return an array of tokens that match a given text
 	fun collect_tokens_by_text(text: String): Array[Token]
 	do
 		var v = new CollectTokensByTextVisitor(text)
@@ -242,7 +256,7 @@ redef class ANode
 		return v.result
 	end
 
-	# Return an array of node that are annotated
+	# Do a deep search and return an array of node that are annotated
 	# The attached node can be retrieved by two invocation of parent
 	fun collect_annotations_by_name(name: String): Array[AAnnotation]
 	do