More steps towards tracking of identifier scopes.

- provide scope to parse functions; if non-nil, parser uses the scope
  to declare and lookup identifiers
- resolve forward references where possible

R=rsc
CC=golang-dev
http://codereview.appspot.com/194098

1 files changed, 4 insertions, 3 deletions

diff --git a/src/pkg/go/parser/parser_test.go b/src/pkg/go/parser/parser_test.go
index 39e13c5a5..0d43d2ca7 100644
--- a/src/pkg/go/parser/parser_test.go
+++ b/src/pkg/go/parser/parser_test.go
@@ -5,6 +5,7 @@
 package parser
 
 import (
+	"go/ast"
 	"os"
 	"testing"
 )
@@ -20,7 +21,7 @@ var illegalInputs = []interface{}{
 
 func TestParseIllegalInputs(t *testing.T) {
 	for _, src := range illegalInputs {
-		_, err := ParseFile("", src, 0)
+		_, err := ParseFile("", src, nil, 0)
 		if err == nil {
 			t.Errorf("ParseFile(%v) should have failed", src)
 		}
@@ -40,7 +41,7 @@ var validPrograms = []interface{}{
 
 func TestParseValidPrograms(t *testing.T) {
 	for _, src := range validPrograms {
-		_, err := ParseFile("", src, 0)
+		_, err := ParseFile("", src, ast.NewScope(nil), 0)
 		if err != nil {
 			t.Errorf("ParseFile(%q): %v", src, err)
 		}
@@ -56,7 +57,7 @@ var validFiles = []string{
 
 func TestParse3(t *testing.T) {
 	for _, filename := range validFiles {
-		_, err := ParseFile(filename, nil, 0)
+		_, err := ParseFile(filename, nil, ast.NewScope(nil), 0)
 		if err != nil {
 			t.Errorf("ParseFile(%s): %v", filename, err)
 		}