fix issue emicklei#37: allow keywords in namespaced identifiers but n…

…ot as root namespace

parser.go

@@ -146,7 +146,7 @@ func (p *Parser) nextIdentifier() (pos scanner.Position, tok token, lit string)
 		}
 		p.next() // consume dot
 		pos, tok, lit := p.next()
-		if tIDENT != tok {
+		if tIDENT != tok && !isKeyword(tok) {
 			p.nextPut(pos, tok, lit)
 			break
 		}

parser_test.go

@@ -87,3 +87,15 @@ func TestNextIdentifier(t *testing.T) {
 		t.Errorf("got [%v] want [%v]", got, want)
 	}
 }
+
+func TestNextIdentifierWithKeyword(t *testing.T) {
+	ident := " aap.rpc.mies "
+	p := newParserOn(ident)
+	_, tok, lit := p.nextIdentifier()
+	if got, want := tok, tIDENT; got != want {
+		t.Errorf("got [%v] want [%v]", got, want)
+	}
+	if got, want := lit, strings.TrimSpace(ident); got != want {
+		t.Errorf("got [%v] want [%v]", got, want)
+	}
+}