Enable parsing package names with a reserved prefix (#90)

Author: peats-bond

package.go

@@ -40,7 +40,7 @@ func (p *Package) Doc() *Comment {
 }
 
 func (p *Package) parse(pr *Parser) error {
-	_, tok, lit := pr.nextIdentifier()
+	_, tok, lit := pr.nextIdent(true)
 	if tIDENT != tok {
 		if !isKeyword(tok) {
 			return pr.unexpected(lit, "package identifier", p)

package_test.go

@@ -0,0 +1,43 @@
+// Copyright (c) 2017 Ernest Micklei
+//
+// MIT License
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package proto
+
+import (
+	"testing"
+)
+
+func TestPackageParseWithReservedPrefix(t *testing.T) {
+	want := "rpc.enum.oneof"
+	ident := " " + want + ";"
+
+	pkg := new(Package)
+	p := newParserOn(ident)
+	if err := pkg.parse(p); err != nil {
+		t.Error(err)
+	}
+
+	if pkg.Name != want {
+		t.Errorf("got %q want %q", pkg.Name, want)
+	}
+}