fix some output formatting

ast/nodes.go

@@ -1,6 +1,10 @@
 package ast
 
-import "github.com/brettlangdon/gython/token"
+import (
+	"fmt"
+
+	"github.com/brettlangdon/gython/token"
+)
 
 type Node interface {
 	Name() string
@@ -29,7 +33,8 @@ func (node *TokenNode) Name() string              { return token.TokenNames[node
 func (node *TokenNode) Repr() []interface{} {
 	parts := make([]interface{}, 0)
 	parts = append(parts, node.Name())
-	return append(parts, node.Token.Literal)
+	literal := fmt.Sprintf("%#v", node.Token.Literal)
+	return append(parts, literal)
 }
 
 type BaseNode struct {

main.go

@@ -15,15 +15,19 @@ func tokenize() {
 		tok := tokenizer.NextToken()
 		tokenRange := fmt.Sprintf("%d,%d-%d,%d:", tok.LineStart, tok.ColumnStart, tok.LineEnd, tok.ColumnEnd)
 		literalRep := fmt.Sprintf("%#v", tok.Literal)
-		fmt.Printf("%-20s%-15s%15s\n", tokenRange, tok.String(), literalRep)
+		fmt.Printf("%-20s%-15s%-15s\n", tokenRange, tok.String(), literalRep)
 		if tok.ID == token.ENDMARKER || tok.ID == token.ERRORTOKEN {
 			break
 		}
 	}
 }
 
-func main() {
+func parse() {
 	root, p := parser.ParseReader(os.Stdin)
 	fmt.Println(p)
 	fmt.Println(root.Repr())
 }
+
+func main() {
+	parse()
+}