From ccd4108e8919a49cf211008b8a4d2fb0954f64e1 Mon Sep 17 00:00:00 2001
From: Miki Rozloznik <mikulas.rozloznik@eccam.com>
Date: Tue, 18 Jun 2024 22:27:18 +0800
Subject: [PATCH] constexpr literals

---
 compiler/extensions/cpp/freemarker/Constant.h.ftl | 2 +-
 test/language/literals/cpp/LiteralsTest.cpp       | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/extensions/cpp/freemarker/Constant.h.ftl b/compiler/extensions/cpp/freemarker/Constant.h.ftl
index 6f4f5b4e4..765e7ee22 100644
--- a/compiler/extensions/cpp/freemarker/Constant.h.ftl
+++ b/compiler/extensions/cpp/freemarker/Constant.h.ftl
@@ -13,7 +13,7 @@
 <#if withCodeComments && docComments??>
 <@doc_comments docComments/>
 </#if>
-const ${typeInfo.typeFullName} ${name} = ${value};
+constexpr ${typeInfo.typeFullName} ${name} = ${value};
 <@namespace_end package.path/>
 
 <@include_guard_end package.path, name/>
diff --git a/test/language/literals/cpp/LiteralsTest.cpp b/test/language/literals/cpp/LiteralsTest.cpp
index c1b702cfe..217c88136 100644
--- a/test/language/literals/cpp/LiteralsTest.cpp
+++ b/test/language/literals/cpp/LiteralsTest.cpp
@@ -103,4 +103,11 @@ TEST(LiteralsTest, String)
     ASSERT_EQ("String with escaped values \x31 \x32 \063 \n \t \f \r \\ \""_sv, STRING);
 }
 
+TEST(LiteralsTest, constexprLiteral)
+{
+    static_assert(BINARY_POSITIVE == 0xff, "BINARY_POSITIVE fail");
+    static_assert(DECIMAL_NEGATIVE == -255, "DECIMAL_NEGATIVE fail");
+    static_assert(STRING.size() == 44, "STRING fail");
+}
+
 } // namespace literals