From ed893e6df95024a5b47e0dda2b86d830683a751d Mon Sep 17 00:00:00 2001
From: burgholzer <burgholzer@me.com>
Date: Wed, 24 Jan 2024 20:18:02 +0100
Subject: [PATCH] =?UTF-8?q?=F0=9F=8F=81=20try=20using=20shared=20pointers?=
 =?UTF-8?q?=20to=20fix=20windows=20compile=20error?=
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Signed-off-by: burgholzer <burgholzer@me.com>
---
 include/mqt-core/parsers/qasm3_parser/Parser.hpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/mqt-core/parsers/qasm3_parser/Parser.hpp b/include/mqt-core/parsers/qasm3_parser/Parser.hpp
index 0377ac3d8..d326862c3 100644
--- a/include/mqt-core/parsers/qasm3_parser/Parser.hpp
+++ b/include/mqt-core/parsers/qasm3_parser/Parser.hpp
@@ -29,13 +29,13 @@ namespace qasm3 {
 class MQT_CORE_EXPORT Parser {
   struct ScannerState {
   private:
-    std::unique_ptr<std::istream> is;
+    std::shared_ptr<std::istream> is;
 
   public:
     Token last{0, 0};
     Token t{0, 0};
     Token next{0, 0};
-    std::unique_ptr<Scanner> scanner;
+    std::shared_ptr<Scanner> scanner;
     std::optional<std::string> filename;
     bool isImplicitInclude;
 
@@ -51,17 +51,17 @@ class MQT_CORE_EXPORT Parser {
         std::istream* in,
         std::optional<std::string> debugFilename = std::nullopt,
         const bool implicitInclude = false)
-        : scanner(std::make_unique<Scanner>(in)),
+        : scanner(std::make_shared<Scanner>(in)),
           filename(std::move(debugFilename)),
           isImplicitInclude(implicitInclude) {
       scan();
     }
 
     explicit ScannerState(
-        std::unique_ptr<std::istream> in,
+        std::shared_ptr<std::istream> in,
         std::optional<std::string> debugFilename = std::nullopt,
         const bool implicitInclude = false)
-        : is(std::move(in)), scanner(std::make_unique<Scanner>(is.get())),
+        : is(std::move(in)), scanner(std::make_shared<Scanner>(is.get())),
           filename(std::move(debugFilename)),
           isImplicitInclude(implicitInclude) {
       scan();
@@ -120,7 +120,7 @@ class MQT_CORE_EXPORT Parser {
     scanner.emplace(is);
     scan();
     if (implicitlyIncludeStdgates) {
-      scanner.emplace(std::make_unique<std::istringstream>(STDGATES),
+      scanner.emplace(std::make_shared<std::istringstream>(STDGATES),
                       "stdgates.inc", true);
       scan();
     }