print "\tdoc: <name::space>\tdisplay the documentation page of 'namespace'"
print "\tparam: <Type>\tlookup methods using the corresponding 'Type' as parameter"
print "\treturn: <Type>\tlookup methods returning the corresponding 'Type'"
+ print "\tnew: <Type>\tlookup methods creating new instances of 'Type'"
print "\t:h\t\tdisplay this help message"
print "\t:q\t\tquit interactive mode"
print ""
return new ParamQuery(query_string)
else if query_string.has_prefix("return:") then
return new ReturnQuery(query_string)
+ else if query_string.has_prefix("new:") then
+ return new NewQuery(query_string)
end
return new CommentQuery("comment: {query_string}")
end
end
end
+# A query to search methods creating new instances of a specific `MType`.
+class NewQuery
+ super MetaQuery
+
+ redef fun perform(nitx, doc) do
+ var res = new Array[NitxMatch]
+ var mtype_name = args.first
+ for mpropdef in doc.mpropdefs do
+ var visitor = new TypeInitVisitor(mtype_name)
+ var npropdef = nitx.ctx.modelbuilder.mpropdef2node(mpropdef)
+ if npropdef == null then continue
+ visitor.enter_visit(npropdef)
+ for i in visitor.inits do
+ res.add new MEntityMatch(self, mpropdef)
+ end
+ end
+ return res
+ end
+end
+
# A query to search a Nitdoc documentation page by its name.
class DocQuery
super MetaQuery
end
end
+# Visitor looking for initialized `MType` (new T).
+#
+# See `NewQuery`.
+private class TypeInitVisitor
+ super Visitor
+
+ # `MType` name to look for.
+ var mtype_name: String
+
+ var inits = new HashSet[MType]
+ redef fun visit(node)
+ do
+ node.visit_all(self)
+ # look for init
+ if not node isa ANewExpr then return
+ var mtype = node.n_type.mtype
+ if mtype != null and mtype.name == mtype_name then inits.add(mtype)
+ end
+end
+
# display
# A `DocArticle` that displays query results.