C and C++ domains, change to new logging

Also add get_source_info() to SphinxDirective and SphinxRole

tests/test_domain_c.py

@@ -28,7 +28,7 @@ from sphinx.util import docutils
 
 
 def parse(name, string):
-    parser = DefinitionParser(string, None)
+    parser = DefinitionParser(string, location=None, emitWarnings=True)
     parser.allowFallbackExpressionParsing = False
     ast = parser.parse_declaration(name, name)
     parser.assert_end()
@@ -87,7 +87,7 @@ def check(name, input, idDict, output=None):
 
 def test_expressions():
     def exprCheck(expr, output=None):
-        parser = DefinitionParser(expr, None)
+        parser = DefinitionParser(expr, location=None, emitWarnings=True)
         parser.allowFallbackExpressionParsing = False
         ast = parser.parse_expression()
         parser.assert_end()
@@ -439,21 +439,6 @@ def test_attributes():
     check('member', 'int *[[attr]] *i', {1: 'i__iPP', 2: '1i'})
 
 
-def test_xref_parsing():
-    return  # TODO
-    def check(target):
-        class Config:
-            cpp_id_attributes = ["id_attr"]
-            cpp_paren_attributes = ["paren_attr"]
-        parser = DefinitionParser(target, None, Config())
-        ast, isShorthand = parser.parse_xref_object()
-        parser.assert_end()
-    check('f')
-    check('f()')
-    check('void f()')
-    check('T f()')
-
-
 # def test_print():
 #     # used for getting all the ids out for checking
 #     for a in ids: