Add new files from juce

Signed-off-by: falkTX <falktx@falktx.com>

source/modules/juce_core/memory/juce_AllocationHooks.cpp

@@ -0,0 +1,100 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE 6 technical preview.
+   Copyright (c) 2020 - Raw Material Software Limited
+
+   You may use this code under the terms of the GPL v3
+   (see www.gnu.org/licenses).
+
+   For this technical preview, this file is not subject to commercial licensing.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+#if JUCE_ENABLE_ALLOCATION_HOOKS
+
+namespace juce
+{
+
+static AllocationHooks& getAllocationHooksForThread()
+{
+    thread_local AllocationHooks hooks;
+    return hooks;
+}
+
+void notifyAllocationHooksForThread()
+{
+    getAllocationHooksForThread().listenerList.call ([] (AllocationHooks::Listener& l)
+    {
+        l.newOrDeleteCalled();
+    });
+}
+
+}
+
+void* operator new (size_t s)
+{
+    juce::notifyAllocationHooksForThread();
+    return std::malloc (s);
+}
+
+void* operator new[] (size_t s)
+{
+    juce::notifyAllocationHooksForThread();
+    return std::malloc (s);
+}
+
+void operator delete (void* p) noexcept
+{
+    juce::notifyAllocationHooksForThread();
+    std::free (p);
+}
+
+void operator delete[] (void* p) noexcept
+{
+    juce::notifyAllocationHooksForThread();
+    std::free (p);
+}
+
+#if JUCE_CXX14_IS_AVAILABLE
+
+void operator delete (void* p, size_t) noexcept
+{
+    juce::notifyAllocationHooksForThread();
+    std::free (p);
+}
+
+void operator delete[] (void* p, size_t) noexcept
+{
+    juce::notifyAllocationHooksForThread();
+    std::free (p);
+}
+
+#endif
+
+namespace juce
+{
+
+//==============================================================================
+UnitTestAllocationChecker::UnitTestAllocationChecker (UnitTest& test)
+    : unitTest (test)
+{
+    getAllocationHooksForThread().addListener (this);
+}
+
+UnitTestAllocationChecker::~UnitTestAllocationChecker() noexcept
+{
+    getAllocationHooksForThread().removeListener (this);
+    unitTest.expectEquals (calls, (size_t) 0, "new or delete was incorrectly called while allocation checker was active");
+}
+
+void UnitTestAllocationChecker::newOrDeleteCalled() noexcept { ++calls; }
+
+}
+
+#endif

source/modules/juce_core/memory/juce_AllocationHooks.h

@@ -0,0 +1,69 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE 6 technical preview.
+   Copyright (c) 2020 - Raw Material Software Limited
+
+   You may use this code under the terms of the GPL v3
+   (see www.gnu.org/licenses).
+
+   For this technical preview, this file is not subject to commercial licensing.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+#if JUCE_ENABLE_ALLOCATION_HOOKS
+
+namespace juce
+{
+
+class AllocationHooks
+{
+public:
+    struct Listener
+    {
+        virtual ~Listener() noexcept = default;
+        virtual void newOrDeleteCalled() noexcept = 0;
+    };
+
+    void addListener    (Listener* l)          { listenerList.add (l); }
+    void removeListener (Listener* l) noexcept { listenerList.remove (l); }
+
+private:
+    friend void notifyAllocationHooksForThread();
+    ListenerList<Listener> listenerList;
+};
+
+//==============================================================================
+/** Scoped checker which will cause a unit test failure if any new/delete calls
+    are made during the lifetime of the UnitTestAllocationChecker.
+*/
+class UnitTestAllocationChecker  : private AllocationHooks::Listener
+{
+public:
+    /** Create a checker which will log a failure to the passed test if
+        any calls to new/delete are made.
+
+        Remember to call `UnitTest::beginTest` before constructing this checker!
+    */
+    explicit UnitTestAllocationChecker (UnitTest& test);
+
+    /** Will add a failure to the test if the number of new/delete calls during
+        this object's lifetime was greater than zero.
+    */
+    ~UnitTestAllocationChecker() noexcept override;
+
+private:
+    void newOrDeleteCalled() noexcept override;
+
+    UnitTest& unitTest;
+    size_t calls = 0;
+};
+
+}
+
+#endif