Basic Runtime Driver (#859)

* Basic Runtime Driver implementation

* Remove leftover comment

* fix copyright comment

* Include memory header

* Adding static lib generation

* Removing static lib changes

Co-authored-by: Ian Davis <[email protected]>

Author: swernli

src/Qir/Runtime/lib/QIR/BasicRuntimeDriver.cpp

@@ -0,0 +1,75 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#include <cstdint>
+#include <memory>
+
+#include "QirRuntimeApi_I.hpp"
+#include "QubitManager.hpp"
+#include "BasicRuntimeDriverFactory.h"
+
+namespace Microsoft
+{
+namespace Quantum
+{
+    class CBasicRuntimeDriver : public IRuntimeDriver
+    {
+        std::unique_ptr<CQubitManager> qubitManager;
+
+      public:
+        CBasicRuntimeDriver()
+        {
+            qubitManager = std::make_unique<CQubitManager>();
+        }
+
+        ~CBasicRuntimeDriver() override
+        {
+        }
+
+        std::string QubitToString(QubitIdType q) override
+        {
+            return std::to_string(q);
+        }
+
+        QubitIdType AllocateQubit() override
+        {
+            return qubitManager->Allocate();
+        }
+
+        void ReleaseQubit(QubitIdType q) override
+        {
+            qubitManager->Release(q);
+        }
+
+        void ReleaseResult(Result /* result */) override
+        {
+        }
+
+        bool AreEqualResults(Result r1, Result r2) override
+        {
+            return r1 == r2;
+        }
+
+        ResultValue GetResultValue(Result r) override
+        {
+            return (r == UseZero()) ? Result_Zero : Result_One;
+        }
+
+        Result UseZero() override
+        {
+            return reinterpret_cast<Result>(0);
+        }
+
+        Result UseOne() override
+        {
+            return reinterpret_cast<Result>(1);
+        }
+    };
+
+    extern "C" void* CreateBasicRuntimeDriver()
+    {
+        return (IRuntimeDriver*)new CBasicRuntimeDriver();
+    }
+
+} // namespace Quantum
+} // namespace Microsoft

src/Qir/Runtime/lib/QIR/CMakeLists.txt

@@ -19,6 +19,7 @@ set(rt_sup_source_files
   strings.cpp
   utils.cpp
   QubitManager.cpp
+  BasicRuntimeDriver.cpp
 )
 
 # Produce object lib we'll use to create a shared lib (so/dll) later on

src/Qir/Runtime/lib/QSharpFoundation/CMakeLists.txt

@@ -47,4 +47,3 @@ install(TARGETS Microsoft.Quantum.Qir.QSharp.Foundation
   LIBRARY DESTINATION "${CMAKE_BINARY_DIR}/bin"
   ARCHIVE DESTINATION "${CMAKE_BINARY_DIR}/bin"
 )
-

src/Qir/Runtime/public/BasicRuntimeDriverFactory.h

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+#ifndef BASICRUNTIMEDRIVERFACTORY_H
+#define BASICRUNTIMEDRIVERFACTORY_H
+
+#include <stdint.h>
+#include "CoreDefines.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    QIR_SHARED_API void* CreateBasicRuntimeDriver();
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // #ifndef BASICRUNTIMEDRIVERFACTORY_H