Fix Identifier dumping

Author: ncw

ast/dump.go

@@ -44,6 +44,8 @@ func Dump(ast Ast) string {
 			switch x := v.(type) {
 			case py.String:
 				args = append(args, fmt.Sprintf("%s=%q", fname, string(x)))
+			case Identifier:
+				args = append(args, fmt.Sprintf("%s='%s'", fname, string(x)))
 			case ModBase:
 			case StmtBase:
 			case ExprBase:

ast/dump_test.go

@@ -21,6 +21,7 @@ func TestDump(t *testing.T) {
 		{&Module{Body: []Stmt{&Pass{}}}, `Module(body=[Pass()])`},
 		{&Module{Body: []Stmt{&ExprStmt{Value: &Tuple{}}}}, `Module(body=[Expr(value=Tuple(elts=[], ctx=UnknownExprContext(0)))])`},
 		{&NameConstant{Value: py.True}, `NameConstant(value=True)`},
+		{&Name{Id: Identifier("hello"), Ctx: Load}, `Name(id='hello', ctx=Load())`},
 	} {
 		out := Dump(test.in)
 		if out != test.out {