1 files changed, 0 insertions, 65 deletions
diff --git a/src/urubu/driver/parser/token_stream.go b/src/urubu/driver/parser/token_stream.go
deleted file mode 100644
index 788e521..0000000
--- a/src/urubu/driver/parser/token_stream.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package parser
-
-import (
-	"io"
-
-	"urubu/driver/lexer"
-	spec "urubu/spec/grammar"
-)
-
-type vToken struct {
-	terminalID int
-	tok        *lexer.Token
-}
-
-func (t *vToken) TerminalID() int {
-	return t.terminalID
-}
-
-func (t *vToken) Lexeme() []byte {
-	return t.tok.Lexeme
-}
-
-func (t *vToken) EOF() bool {
-	return t.tok.EOF
-}
-
-func (t *vToken) Invalid() bool {
-	return t.tok.Invalid
-}
-
-func (t *vToken) BytePosition() (int, int) {
-	return t.tok.BytePos, t.tok.ByteLen
-}
-
-func (t *vToken) Position() (int, int) {
-	return t.tok.Row, t.tok.Col
-}
-
-type tokenStream struct {
-	lex            *lexer.Lexer
-	kindToTerminal []int
-}
-
-func NewTokenStream(g *spec.CompiledGrammar, src io.Reader) (TokenStream, error) {
-	lex, err := lexer.NewLexer(lexer.NewLexSpec(g.Lexical), src)
-	if err != nil {
-		return nil, err
-	}
-
-	return &tokenStream{
-		lex:            lex,
-		kindToTerminal: g.Syntactic.KindToTerminal,
-	}, nil
-}
-
-func (l *tokenStream) Next() (VToken, error) {
-	tok, err := l.lex.Next()
-	if err != nil {
-		return nil, err
-	}
-	return &vToken{
-		terminalID: l.kindToTerminal[tok.KindID],
-		tok:        tok,
-	}, nil
-}