From e11db000af305d834efc5f79cf9606b8a8ae2d63 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Mon, 8 Aug 2016 16:51:21 +0800
Subject: HIR ExprPtr - Support resetting internal pointer

---
 src/hir/expr_ptr.cpp | 5 +++++
 src/hir/expr_ptr.hpp | 1 +
 2 files changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/hir/expr_ptr.cpp b/src/hir/expr_ptr.cpp
index dc20f84c..8231239c 100644
--- a/src/hir/expr_ptr.cpp
+++ b/src/hir/expr_ptr.cpp
@@ -21,3 +21,8 @@
     this->node = nullptr;
     return rv;
 }
+void ::HIR::ExprPtr::reset(::HIR::ExprNode* p)
+{
+    delete node;
+    node = p;
+}
diff --git a/src/hir/expr_ptr.hpp b/src/hir/expr_ptr.hpp
index a4c04d2b..d9f0982a 100644
--- a/src/hir/expr_ptr.hpp
+++ b/src/hir/expr_ptr.hpp
@@ -40,6 +40,7 @@ public:
     ::std::unique_ptr< ::HIR::ExprNode> into_unique();
     operator bool () const { return node != nullptr; }
     ::HIR::ExprNode* get() const { return node; }
+    void reset(::HIR::ExprNode* p);
     
           ::HIR::ExprNode& operator*()       { return *node; }
     const ::HIR::ExprNode& operator*() const { return *node; }
-- 
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