From 292a5e719543ec9e6f5fe18fec371302983be038 Mon Sep 17 00:00:00 2001
From: Stephan Bergmann <sbergman@redhat.com>
Date: Tue, 28 Jul 2020 08:14:49 +0200
Subject: Adapt to Clang 12 trunk Expr::getIntegerConstantExpression

<https://github.com/llvm/llvm-project/commit/
36036aa70ec1df7b51b5d30b2dd8090ad2b6e783> "Reapply 'Rename/refactor
isIntegerConstantExpression to getIntegerConstantExpression'"

Change-Id: I99277601fe7ffa3e0e5d22a4b3aaca4f51551ab3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/99570
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
---
 compilerplugins/clang/compat.hxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'compilerplugins/clang/compat.hxx')

diff --git a/compilerplugins/clang/compat.hxx b/compilerplugins/clang/compat.hxx
index 76f076621394..8a1a728bd95b 100644
--- a/compilerplugins/clang/compat.hxx
+++ b/compilerplugins/clang/compat.hxx
@@ -174,6 +174,17 @@ inline bool EvaluateAsInt(clang::Expr const * expr, llvm::APSInt& intRes, const
 #endif
 }
 
+inline llvm::Optional<llvm::APSInt> getIntegerConstantExpr(
+    clang::Expr const * expr, clang::ASTContext const & context)
+{
+#if CLANG_VERSION >= 120000
+    return expr->getIntegerConstantExpr(context);
+#else
+    llvm::APSInt res;
+    return expr->isIntegerConstantExpr(res, context) ? res : llvm::Optional<llvm::APSInt>();
+#endif
+}
+
 inline clang::Expr * getSubExpr(clang::MaterializeTemporaryExpr const * expr) {
 #if CLANG_VERSION >= 100000
     return expr->getSubExpr();
-- 
cgit