From 81cdec0f7a884863ecf558e43e061cea943e47b2 Mon Sep 17 00:00:00 2001
From: Martin Kinkelin <mkinkelin@symmetryinvestments.com>
Date: Sun, 3 Mar 2024 20:54:57 +0100
Subject: [PATCH] Add missing getDefaultValue() to frontend C++ interface

---
 dmd/cxxfrontend.d | 10 ++++++++++
 dmd/expression.h  |  3 +++
 gen/typinf.cpp    |  2 +-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/dmd/cxxfrontend.d b/dmd/cxxfrontend.d
index 0056f43491..03920f0b0a 100644
--- a/dmd/cxxfrontend.d
+++ b/dmd/cxxfrontend.d
@@ -14,6 +14,7 @@ import dmd.aggregate : AggregateDeclaration;
 import dmd.arraytypes;
 import dmd.astenums;
 import dmd.common.outbuffer : OutBuffer;
+import dmd.denum : EnumDeclaration;
 import dmd.dmodule /*: Module*/;
 import dmd.dscope : Scope;
 import dmd.dstruct /*: StructDeclaration*/;
@@ -213,6 +214,15 @@ void genCppHdrFiles(ref Modules ms)
     return dmd.dtoh.genCppHdrFiles(ms);
 }
 
+/***********************************************************
+ * enumsem.d
+ */
+Expression getDefaultValue(EnumDeclaration ed, const ref Loc loc)
+{
+    import dmd.enumsem;
+    return dmd.enumsem.getDefaultValue(ed, loc);
+}
+
 /***********************************************************
  * expression.d
  */
diff --git a/dmd/expression.h b/dmd/expression.h
index 01c1b8a338..8213576fd4 100644
--- a/dmd/expression.h
+++ b/dmd/expression.h
@@ -40,6 +40,7 @@ class OverloadSet;
 class StringExp;
 class InterpExp;
 class LoweredAssignExp;
+class EnumDeclaration;
 #ifdef IN_GCC
 typedef union tree_node Symbol;
 #elif IN_LLVM
@@ -54,6 +55,8 @@ namespace dmd
     Expression *expressionSemantic(Expression *e, Scope *sc);
     // in typesem.d
     Expression *defaultInit(Type *mt, const Loc &loc, const bool isCfile = false);
+    // in enumsem.d
+    Expression *getDefaultValue(EnumDeclaration *ed, const Loc &loc);
 
     // Entry point for CTFE.
     // A compile-time result is required. Give an error if not possible
diff --git a/gen/typinf.cpp b/gen/typinf.cpp
index 50982155bf..c1a5f18b9a 100644
--- a/gen/typinf.cpp
+++ b/gen/typinf.cpp
@@ -153,7 +153,7 @@ public:
     }
     // otherwise emit a void[] with the default initializer
     else {
-      Expression *defaultval = sd->getDefaultValue(decl->loc);
+      Expression *defaultval = getDefaultValue(sd, decl->loc);
       LLConstant *c = toConstElem(defaultval, gIR);
       b.push_void_array(c, sd->memtype, sd);
     }