Stick with C++ for everything.

llvm/wrap.cpp

@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2008-10, Mahadevan R All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ *  * Neither the name of this software, nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "wrap.h"
+
+/* Project-wide setting */
+#if (PY_MAJOR_VERSION >= 3)
+#define LLVM_PY_USE_PYCAPSULE
+#endif
+
+/*===----------------------------------------------------------------------===*/
+/* Helper functions/macros                                                    */
+/*===----------------------------------------------------------------------===*/
+
+#ifdef LLVM_PY_USE_PYCAPSULE
+
+#define _define_std_ctor(typ)                   \
+PyObject * ctor_ ## typ ( typ p)                \
+{                                               \
+    if (p)                                      \
+        return PyCapsule_New(p, NULL, NULL);    \
+    Py_RETURN_NONE;                             \
+}
+
+#else
+
+#define _define_std_ctor(typ)                   \
+PyObject * ctor_ ## typ ( typ p)                \
+{                                               \
+    if (p)                                      \
+        return PyCObject_FromVoidPtr(p, NULL);  \
+    Py_RETURN_NONE;                             \
+}
+
+#endif
+
+/*===----------------------------------------------------------------------===*/
+/* Type ctor/dtor                                                             */
+/*===----------------------------------------------------------------------===*/
+
+_define_std_ctor(LLVMModuleRef)
+_define_std_ctor(LLVMTypeRef)
+_define_std_ctor(LLVMValueRef)
+_define_std_ctor(LLVMBasicBlockRef)
+_define_std_ctor(LLVMBuilderRef)
+_define_std_ctor(LLVMMemoryBufferRef)
+_define_std_ctor(LLVMPassManagerRef)
+_define_std_ctor(LLVMExecutionEngineRef)
+_define_std_ctor(LLVMTargetDataRef)
+_define_std_ctor(LLVMGenericValueRef)
+
+_define_std_ctor(LLVMPassManagerBuilderRef)
+_define_std_ctor(LLVMEngineBuilderRef)
+
+PyObject *ctor_int(int i)
+{
+    return PyLong_FromLong((long)i);
+}
+
+PyObject *ctor_llvmwrap_ull(llvmwrap_ull ull)
+{
+    return PyLong_FromUnsignedLongLong(ull);
+}
+
+
+/*===----------------------------------------------------------------------===*/
+/* Helper functions                                                           */
+/*===----------------------------------------------------------------------===*/
+
+void *get_object_arg(PyObject *args)
+{
+    PyObject *o;
+
+    if (!PyArg_ParseTuple(args, "O", &o))
+        return NULL;
+#ifdef LLVM_PY_USE_PYCAPSULE
+    return PyCapsule_GetPointer(o, NULL);
+#else
+    return PyCObject_AsVoidPtr(o);
+#endif
+}
+
+void **make_array_from_list(PyObject *list, int n)
+{
+    int i;
+    void **arr;
+
+    arr = (void **)malloc(sizeof(void *) * n);
+    if (!arr)
+        return NULL;
+
+    for (i=0; i<n; i++) {
+        PyObject *e = PyList_GetItem(list, i);
+#ifdef LLVM_PY_USE_PYCAPSULE
+        arr[i] = PyCapsule_GetPointer(e, NULL);
+#else
+        arr[i] = PyCObject_AsVoidPtr(e);
+#endif
+    }
+
+    return arr;
+}
+
+#define LIST_FROM_ARRAY_IMPL(TYPE)                                  \
+PyObject *make_list_from_ ## TYPE ## _array( TYPE *p, unsigned n)   \
+{                                                                   \
+    size_t i;                                                       \
+    PyObject *list = PyList_New(n);                                 \
+                                                                    \
+    if (!list)                                                      \
+        return NULL;                                                \
+                                                                    \
+    for (i=0; i<n; i++) {                                           \
+        PyObject *elem = ctor_ ## TYPE (p[i]);                      \
+        PyList_SetItem(list, i, elem);                              \
+    }                                                               \
+                                                                    \
+    return list;                                                    \
+}
+
+LIST_FROM_ARRAY_IMPL(LLVMTypeRef)
+LIST_FROM_ARRAY_IMPL(LLVMValueRef)
+