From d02c37f3e35f9f00939c674c79998919e93894dc Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 15 Mar 2020 15:00:18 +0100
Subject: [PATCH] LibJS: Add Value::to_i32() helper function

---
 Libraries/LibJS/Value.cpp | 14 ++++++++++++--
 Libraries/LibJS/Value.h   |  1 +
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibJS/Value.cpp b/Libraries/LibJS/Value.cpp
index c4c25b2e1e..6ba182f6f5 100644
--- a/Libraries/LibJS/Value.cpp
+++ b/Libraries/LibJS/Value.cpp
@@ -89,6 +89,18 @@ Value Value::to_object(Heap& heap) const
     ASSERT_NOT_REACHED();
 }
 
+i32 Value::to_i32() const
+{
+    switch (m_type) {
+    case Type::Boolean:
+        return m_value.as_bool;
+    case Type::Number:
+        return static_cast<i32>(m_value.as_double);
+    default:
+        ASSERT_NOT_REACHED();
+    }
+}
+
 Value greater_than(Value lhs, Value rhs)
 {
     ASSERT(lhs.is_number());
@@ -209,8 +221,6 @@ Value typed_eq(Value lhs, Value rhs)
     ASSERT_NOT_REACHED();
 }
 
-
-
 const LogStream& operator<<(const LogStream& stream, const Value& value)
 {
     return stream << value.to_string();
diff --git a/Libraries/LibJS/Value.h b/Libraries/LibJS/Value.h
index 95db26df83..d98522ced3 100644
--- a/Libraries/LibJS/Value.h
+++ b/Libraries/LibJS/Value.h
@@ -133,6 +133,7 @@ public:
 
     String to_string() const;
     bool to_boolean() const;
+    i32 to_i32() const;
 
     Value to_object(Heap&) const;