From ed100bc6f4818568d510c5b91d21259ac03e5015 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Thu, 12 Mar 2020 13:05:06 +0100
Subject: [PATCH] LibJS: Implement basic lexing + parsing of StringLiteral

This still includes the double-quote characters (") but at least the
AST comes out right.
---
 Libraries/LibJS/Lexer.cpp  | 7 +++++++
 Libraries/LibJS/Parser.cpp | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/Libraries/LibJS/Lexer.cpp b/Libraries/LibJS/Lexer.cpp
index 979764e3b5..37fabfbf47 100644
--- a/Libraries/LibJS/Lexer.cpp
+++ b/Libraries/LibJS/Lexer.cpp
@@ -195,6 +195,13 @@ Token Lexer::next()
             consume();
         }
         token_type = TokenType::NumericLiteral;
+    } else if (m_current_char == '"') {
+        consume();
+        while (m_current_char != '"') {
+            consume();
+        }
+        consume();
+        token_type = TokenType::StringLiteral;
     } else if (m_current_char == EOF) {
         token_type = TokenType::Eof;
     } else {
diff --git a/Libraries/LibJS/Parser.cpp b/Libraries/LibJS/Parser.cpp
index 1cfc3be231..b9467cebd3 100644
--- a/Libraries/LibJS/Parser.cpp
+++ b/Libraries/LibJS/Parser.cpp
@@ -89,6 +89,8 @@ NonnullOwnPtr<Expression> Parser::parse_primary_expression()
         return make<NumericLiteral>(consume().double_value());
     case TokenType::BoolLiteral:
         return make<BooleanLiteral>(consume().bool_value());
+    case TokenType::StringLiteral:
+        return make<StringLiteral>(consume().string_value());
     case TokenType::CurlyOpen:
         return parse_object_expression();
     default: