From 92d10140515295a3e9de5ba4b016ad63f398d837 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Thu, 12 Mar 2020 19:35:23 +0100
Subject: [PATCH] LibJS: Parse CallExpression arguments

---
 Libraries/LibJS/Parser.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibJS/Parser.cpp b/Libraries/LibJS/Parser.cpp
index fc8fb39d74..165681330d 100644
--- a/Libraries/LibJS/Parser.cpp
+++ b/Libraries/LibJS/Parser.cpp
@@ -191,13 +191,24 @@ NonnullOwnPtr<Expression> Parser::parse_secondary_expression(NonnullOwnPtr<Expre
 
 NonnullOwnPtr<CallExpression> Parser::parse_call_expression(NonnullOwnPtr<Expression> lhs)
 {
-    // FIXME: allow arguments
     consume(TokenType::ParenOpen);
+
+    NonnullOwnPtrVector<Expression> arguments;
+
+    for (;;) {
+        if (match_expression()) {
+            arguments.append(parse_expression());
+            if (!match(TokenType::Comma))
+                break;
+            consume();
+        }
+    }
+
     consume(TokenType::ParenClose);
 
     // FIXME: Allow lhs expression instead of just a string
     if (lhs->is_identifier()) {
-        return make<CallExpression>(static_cast<Identifier*>(lhs.ptr())->string());
+        return make<CallExpression>(static_cast<Identifier*>(lhs.ptr())->string(), move(arguments));
     }
 
     m_has_errors = true;