print "\tname\t\tlookup module, class and property with the corresponding 'name'"
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 "\tcall: <name>\tlookup methods calling 'name'"
+ print "\tcode: <name>\tdisplay the source code associated to the 'name' entity"
print "\t:h\t\tdisplay this help message"
print "\t:q\t\tquit interactive mode"
print ""
return new DocQuery(query_string)
else if query_string.has_prefix("param:") then
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)
+ else if query_string.has_prefix("call:") then
+ return new CallQuery(query_string)
+ else if query_string.has_prefix("code:") then
+ return new CodeQuery(query_string)
+
end
return new CommentQuery("comment: {query_string}")
end
end
end
+# A query to search signatures using a specific `MType` as return.
+class ReturnQuery
+ super MetaQuery
+
+ redef fun perform(nitx, doc) do
+ var res = new Array[NitxMatch]
+ var mtype_name = args.first
+ for mproperty in doc.mproperties do
+ if not mproperty isa MMethod then continue
+ var msignature = mproperty.intro.msignature
+ if msignature != null then
+ var mreturn = msignature.return_mtype
+ if mreturn != null and mreturn.name == mtype_name then
+ res.add new MEntityMatch(self, mproperty)
+ end
+ end
+ end
+ return res
+ 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 methods calling a specific `MProperty`.
+class CallQuery
+ super MetaQuery
+
+ redef fun perform(nitx, doc) do
+ var res = new Array[NitxMatch]
+ var mprop_name = args.first
+ for mpropdef in doc.mpropdefs do
+ var visitor = new MPropertyCallVisitor
+ var npropdef = nitx.ctx.modelbuilder.mpropdef2node(mpropdef)
+ if npropdef == null then continue
+ visitor.enter_visit(npropdef)
+ for mprop in visitor.calls do
+ if mprop.name != mprop_name then continue
+ 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
+# A query to search source code from a file name.
+class CodeQuery
+ super MetaQuery
+
+ # FIXME refactor this!
+ redef fun perform(nitx, doc) do
+ var res = new Array[NitxMatch]
+ var name = args.first
+ # if name is an existing sourcefile, opens it
+ if name.file_exists then
+ var fr = new FileReader.open(name)
+ var content = fr.read_all
+ fr.close
+ res.add new CodeMatch(self, name, content)
+ return res
+ end
+ # else, lookup the model by name
+ for mentity in doc.search_mentities(name) do
+ if mentity isa MClass then continue
+ if mentity isa MProperty then continue
+ res.add new CodeMatch(self, mentity.cs_location, mentity.cs_source_code)
+ end
+ return res
+ end
+
+ redef fun make_results(nitx, results) do
+ var page = new DocPage("Code Results")
+ for res in results do
+ page.add new CodeQueryArticle(self, res.as(CodeMatch))
+ end
+ return page
+ end
+end
+
+# A match between a piece of code and a string.
+class CodeMatch
+ super NitxMatch
+
+ # Location of the code match.
+ var location: String
+
+ # Piece of code matched.
+ var content: String
+
+ redef fun make_list_item do return "* {location}"
+end
+
+
# A query that contains a nitx command.
#
# These commands are prefixed with `:` and are used to control the execution of
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
+
+# Visitor looking for calls to a `MProperty` (new T).
+#
+# See `CallQuery`.
+private class MPropertyCallVisitor
+ super Visitor
+
+ var calls = new HashSet[MProperty]
+ redef fun visit(node)
+ do
+ node.visit_all(self)
+ if not node isa ASendExpr then return
+ calls.add node.callsite.mproperty
+ end
+end
+
# display
# A `DocArticle` that displays query results.
end
end
+# An article that displays a piece of code.
+private class CodeQueryArticle
+ super DocArticle
+
+ # The query linked to the result to display.
+ var query: NitxQuery
+
+ # The result to display.
+ var result: CodeMatch
+
+ redef fun render_body do
+ addn ""
+ addn "in {result.location}".gray.bold
+ addn ""
+ add result.content
+ end
+end
+
# A Pager is used to display data into a unix `less` container.
private class Pager
nitlanguage / nit.git / blobdiff