From 0e9290acff5367a6c4713b7dc3ffd52e3e9fdbff Mon Sep 17 00:00:00 2001
From: Taco de Wolff <tacodewolff@gmail.com>
Date: Thu, 2 Nov 2023 12:32:02 -0300
Subject: [PATCH] JS: fix parsing invalid private identifier

---
 js/ast_test.go   | 1 -
 js/lex.go        | 1 -
 js/parse.go      | 5 ++++-
 js/parse_test.go | 1 +
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/js/ast_test.go b/js/ast_test.go
index 8d60306..eeab979 100644
--- a/js/ast_test.go
+++ b/js/ast_test.go
@@ -118,7 +118,6 @@ func TestJS(t *testing.T) {
 		{"{};;", "{} ;"},
 		{"{}\n;", "{} ;"},
 		{"- - --3", "- - --3;"},
-		//{"A:#0XbBB", ""},
 	}
 
 	re := regexp.MustCompile("\n *")
diff --git a/js/lex.go b/js/lex.go
index fa3bf72..ac00e85 100644
--- a/js/lex.go
+++ b/js/lex.go
@@ -191,7 +191,6 @@ func (l *Lexer) Next() (TokenType, []byte) {
 		if l.consumeIdentifierToken() {
 			return PrivateIdentifierToken, l.r.Shift()
 		}
-		return ErrorToken, nil
 	default:
 		if l.consumeIdentifierToken() {
 			if prevNumericLiteral {
diff --git a/js/parse.go b/js/parse.go
index 44c0da9..dda1cf6 100644
--- a/js/parse.go
+++ b/js/parse.go
@@ -549,13 +549,16 @@ func (p *Parser) parseStmt(allowDeclaration bool) (stmt IStmt) {
 	case DebuggerToken:
 		stmt = &DebuggerStmt{}
 		p.next()
-	case SemicolonToken, ErrorToken:
+	case SemicolonToken:
 		stmt = &EmptyStmt{}
 		p.next()
 	case CommentToken, CommentLineTerminatorToken:
 		// bang comment
 		stmt = &Comment{p.data}
 		p.next()
+	case ErrorToken:
+		stmt = &EmptyStmt{}
+		return
 	default:
 		if p.retrn && p.tt == ReturnToken {
 			p.next()
diff --git a/js/parse_test.go b/js/parse_test.go
index ba31d47..940a2fa 100644
--- a/js/parse_test.go
+++ b/js/parse_test.go
@@ -562,6 +562,7 @@ func TestParseError(t *testing.T) {
 		{"export async", "expected function instead of EOF in export statement"},
 		{"throw", "unexpected EOF in expression"},
 		{"throw\n", "unexpected newline in throw statement"},
+		{"#private", "expected in instead of EOF in relational expression"},
 
 		// no declarations
 		{"if(a) function f(){}", "unexpected function in statement"},