auto_super_init: handle the case of constructors redefinition (instead of infinitivel...

[nit.git] / src / parser_util.nit

diff --git a/src/parser_util.nit b/src/parser_util.nit
index f23ccda..ff97a78 100644 (file)
--- 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