From 823a120d8a06b4345b5478de7ee6801188101b67 Mon Sep 17 00:00:00 2001
From: Josh Barthelmess <joshbarthelmess3@gmail.com>
Date: Thu, 14 Jul 2022 12:35:06 -0400
Subject: [PATCH 1/3] remove cursor.set_goal

---
 boa_engine/src/syntax/lexer/tests.rs             | 16 ++++++++++++++++
 .../syntax/parser/expression/assignment/mod.rs   |  1 -
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/boa_engine/src/syntax/lexer/tests.rs b/boa_engine/src/syntax/lexer/tests.rs
index 2553f25c2b5..783980ab393 100644
--- a/boa_engine/src/syntax/lexer/tests.rs
+++ b/boa_engine/src/syntax/lexer/tests.rs
@@ -634,6 +634,22 @@ fn regex_literal() {
     expect_tokens(&mut lexer, &expected, &mut interner);
 }
 
+#[test]
+fn regex_equals_following_assignment() {
+    let mut lexer = Lexer::new(&b"const myRegex = /=/;"[..]);
+    let mut interner = Interner::default();
+
+    let expected = [
+        TokenKind::Keyword((Keyword::Const, false)),
+        TokenKind::identifier(interner.get_or_intern_static("myRegex")),
+        TokenKind::Punctuator(Punctuator::Assign),
+        TokenKind::regular_expression_literal(interner.get_or_intern_static("="), Sym::EMPTY_STRING),
+        TokenKind::Punctuator(Punctuator::Semicolon),
+    ];
+
+    expect_tokens(&mut lexer, &expected, &mut interner);
+}
+
 #[test]
 fn regex_literal_flags() {
     let mut lexer = Lexer::new(&br"/\/[^\/]*\/*/gmi"[..]);
diff --git a/boa_engine/src/syntax/parser/expression/assignment/mod.rs b/boa_engine/src/syntax/parser/expression/assignment/mod.rs
index 46bde867c76..414ece80540 100644
--- a/boa_engine/src/syntax/parser/expression/assignment/mod.rs
+++ b/boa_engine/src/syntax/parser/expression/assignment/mod.rs
@@ -90,7 +90,6 @@ where
 
     fn parse(mut self, cursor: &mut Cursor<R>, interner: &mut Interner) -> ParseResult {
         let _timer = Profiler::global().start_event("AssignmentExpression", "Parsing");
-        cursor.set_goal(InputElement::Div);
 
         match cursor
             .peek(0, interner)?

From e67b7402244bb25e35c328d1b43f4eb3826d5b04 Mon Sep 17 00:00:00 2001
From: Josh Barthelmess <joshbarthelmess3@gmail.com>
Date: Thu, 14 Jul 2022 13:09:01 -0400
Subject: [PATCH 2/3] fix rust-fmt issue

---
 boa_engine/src/syntax/lexer/tests.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/boa_engine/src/syntax/lexer/tests.rs b/boa_engine/src/syntax/lexer/tests.rs
index 783980ab393..0736c346b50 100644
--- a/boa_engine/src/syntax/lexer/tests.rs
+++ b/boa_engine/src/syntax/lexer/tests.rs
@@ -643,7 +643,10 @@ fn regex_equals_following_assignment() {
         TokenKind::Keyword((Keyword::Const, false)),
         TokenKind::identifier(interner.get_or_intern_static("myRegex")),
         TokenKind::Punctuator(Punctuator::Assign),
-        TokenKind::regular_expression_literal(interner.get_or_intern_static("="), Sym::EMPTY_STRING),
+        TokenKind::regular_expression_literal(
+            interner.get_or_intern_static("="), 
+            Sym::EMPTY_STRING
+        ),
         TokenKind::Punctuator(Punctuator::Semicolon),
     ];
 

From bbe1f506f890fda7f912ac87e6b21668ec7639eb Mon Sep 17 00:00:00 2001
From: Josh Barthelmess <joshbarthelmess3@gmail.com>
Date: Thu, 14 Jul 2022 15:24:48 -0400
Subject: [PATCH 3/3] fixed rust-fmt again and added parser test

---
 boa_engine/src/syntax/lexer/tests.rs  |  4 ++--
 boa_engine/src/syntax/parser/tests.rs | 25 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/boa_engine/src/syntax/lexer/tests.rs b/boa_engine/src/syntax/lexer/tests.rs
index 0736c346b50..9c975fe23cc 100644
--- a/boa_engine/src/syntax/lexer/tests.rs
+++ b/boa_engine/src/syntax/lexer/tests.rs
@@ -644,8 +644,8 @@ fn regex_equals_following_assignment() {
         TokenKind::identifier(interner.get_or_intern_static("myRegex")),
         TokenKind::Punctuator(Punctuator::Assign),
         TokenKind::regular_expression_literal(
-            interner.get_or_intern_static("="), 
-            Sym::EMPTY_STRING
+            interner.get_or_intern_static("="),
+            Sym::EMPTY_STRING,
         ),
         TokenKind::Punctuator(Punctuator::Semicolon),
     ];
diff --git a/boa_engine/src/syntax/parser/tests.rs b/boa_engine/src/syntax/parser/tests.rs
index 5ccc45a0cf5..cfbc9788a6c 100644
--- a/boa_engine/src/syntax/parser/tests.rs
+++ b/boa_engine/src/syntax/parser/tests.rs
@@ -15,7 +15,7 @@ use crate::{
     },
     Context,
 };
-use boa_interner::Interner;
+use boa_interner::{Interner, Sym};
 
 /// Checks that the given JavaScript string gives the expected expression.
 #[allow(clippy::unwrap_used)]
@@ -78,6 +78,29 @@ fn assign_operator_precedence() {
     );
 }
 
+#[test]
+fn assign_regex_equals() {
+    let mut interner = Interner::default();
+    check_parser(
+        "let myRegex = /=/;",
+        vec![DeclarationList::Let(
+            vec![Declaration::new_with_identifier(
+                interner.get_or_intern_static("myRegex"),
+                Node::from(New::from(Call::new(
+                    Identifier::new(Sym::REGEXP),
+                    vec![
+                        Node::from(Const::from(interner.get_or_intern_static("="))),
+                        Node::from(Const::from(Sym::EMPTY_STRING)),
+                    ],
+                ))),
+            )]
+            .into(),
+        )
+        .into()],
+        interner,
+    );
+}
+
 #[test]
 fn hoisting() {
     let mut interner = Interner::default();