Adapt to work in python2.6

llvmpy/capsule.cpp

@@ -1,4 +1,5 @@
 #include <Python.h>
+#include <capsulethunk.h>
 #include <llvm_binding/capsule_context.h>
 
 static
@@ -53,12 +54,13 @@ CapsuleContext* getContext(PyObject* self, PyObject* args) {
         PyErr_SetString(PyExc_TypeError, "PyCapsule has no context.");
         return NULL;
     }
-    return (CapsuleContext*)context;
+    return static_cast<CapsuleContext*>(context);
 }
 
 static
 PyObject* getClassName(PyObject* self, PyObject* args) {
     CapsuleContext* context = getContext(self, args);
+    //Assert(context->_magic == 0xdead);
     if (!context) {
         return NULL;
     } else {

llvmpy/gen/gen.py

@@ -40,6 +40,8 @@ populate_submodules(module, submodule_%(ns)s);
 def populate_headers(println):
     includes = [
                 'cstring',
+                'Python.h',
+                'capsulethunk.h',
                 'llvm_binding/conversion.h',
                 'llvm_binding/binding.h',
                 'llvm_binding/capsule_context.h',

llvmpy/include/capsulethunk.h

@@ -0,0 +1,108 @@
+/**
+ 
+ This is a modified version of capsulethunk.h for use in llvmpy 
+ 
+**/
+
+#ifndef __CAPSULETHUNK_H
+#define __CAPSULETHUNK_H
+
+//#define Assert(X) do_assert(!!(X), #X, __FILE__, __LINE__)
+#define Assert(X)
+
+static
+void do_assert(int cond, const char * msg, const char *file, unsigned line){
+    if (not cond) {
+        fprintf(stderr, "Assertion failed %s:%d\n%s\n", file, line, msg);
+        exit(1);
+    }
+}
+
+#if (    (PY_VERSION_HEX <  0x02070000) \
+     || ((PY_VERSION_HEX >= 0x03000000) \
+      && (PY_VERSION_HEX <  0x03010000)) )
+
+typedef void (*PyCapsule_Destructor)(PyObject *);
+
+struct FakePyCapsule_Desc {
+    const char *name;
+    void *context;
+    PyCapsule_Destructor dtor;
+    PyObject *parent;
+
+    FakePyCapsule_Desc() : name(0), context(0), dtor(0) {}
+};
+
+static
+FakePyCapsule_Desc* get_pycobj_desc(PyObject *p){
+    void *desc = ((PyCObject*)p)->desc;
+    Assert(desc && "No desc in PyCObject");
+    return static_cast<FakePyCapsule_Desc*>(desc);
+}
+
+static
+void pycobject_pycapsule_dtor(void *p, void *desc){
+    Assert(desc);
+    Assert(p);
+    FakePyCapsule_Desc *fpc_desc = static_cast<FakePyCapsule_Desc*>(desc);
+    Assert(fpc_desc->parent);
+    Assert(PyCObject_Check(fpc_desc->parent));
+    fpc_desc->dtor(static_cast<PyObject*>(fpc_desc->parent));
+    delete fpc_desc;
+}
+
+static
+PyObject* PyCapsule_New(void* ptr, const char *name, PyCapsule_Destructor dtor)
+{
+    FakePyCapsule_Desc *desc = new FakePyCapsule_Desc;
+    desc->name = name;
+    desc->context = NULL;
+    desc->dtor = dtor;
+    PyObject *p = PyCObject_FromVoidPtrAndDesc(ptr, desc,
+                                               pycobject_pycapsule_dtor);
+    desc->parent = p;
+    return p;
+}
+
+static
+int PyCapsule_CheckExact(PyObject *p)
+{
+    return PyCObject_Check(p);
+}
+
+static
+void* PyCapsule_GetPointer(PyObject *p, const char *name)
+{
+    Assert(PyCapsule_CheckExact(p));
+    if (strcmp(get_pycobj_desc(p)->name, name) != 0) {
+        PyErr_SetString(PyExc_ValueError, "Invalid PyCapsule object");
+    }
+    return PyCObject_AsVoidPtr(p);
+}
+
+static
+void* PyCapsule_GetContext(PyObject *p)
+{
+    Assert(p);
+    Assert(PyCapsule_CheckExact(p));
+    return get_pycobj_desc(p)->context;
+}
+
+static
+int PyCapsule_SetContext(PyObject *p, void *context)
+{
+    Assert(PyCapsule_CheckExact(p));
+    get_pycobj_desc(p)->context = context;
+    return 0;
+}
+
+static
+const char * PyCapsule_GetName(PyObject *p)
+{
+//    Assert(PyCapsule_CheckExact(p));
+    return get_pycobj_desc(p)->name;
+}
+
+#endif /* #if PY_VERSION_HEX < 0x02070000 */
+
+#endif /* __CAPSULETHUNK_H */

llvmpy/include/llvm_binding/capsule_context.h

@@ -3,10 +3,10 @@
 
 #include <iostream>
 #include <ctime>
-
+#include "capsulethunk.h"
-typedef PyObject* Destructor_Fn;
 
 struct CapsuleContext {
+    //const unsigned _magic;
     const char*     className;
     
     CapsuleContext(const char* cn)
@@ -14,6 +14,17 @@ struct CapsuleContext {
     { }
 };
 
+static
+void pycapsule_dtor_free_context(PyObject *pycap)
+{
+    void * context = PyCapsule_GetContext(pycap);
+    Assert(context);
+    CapsuleContext* cc = static_cast<CapsuleContext*>(context);
+    //Assert(cc->_magic == 0xdead);
+    delete cc;
+}
+
+
 
 static
 PyObject* pycapsule_new(void* ptr,
@@ -26,15 +37,16 @@ PyObject* pycapsule_new(void* ptr,
     if (!ptr) {
         Py_RETURN_NONE;
     }
-    PyObject* cap = PyCapsule_New(ptr, basename, NULL);
+    PyObject* cap = PyCapsule_New(ptr, basename, pycapsule_dtor_free_context);
     if (!cap) {
         PyErr_SetString(PyExc_TypeError, "Error creating new PyCapsule");
         return NULL;
     }
     CapsuleContext* context = new CapsuleContext(classname);
-    if (PyCapsule_SetContext(cap, context)) {
+    if (0 != PyCapsule_SetContext(cap, context)) {
         return NULL;
     }
+    //Assert(context->_magic == 0xdead);
     return cap;
 }
 

llvmpy/src/ADT/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Analysis/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Assembly/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Bitcode/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/CodeGen/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/ExecutionEngine/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Support/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Target/__init__.py

@@ -1,10 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    for fname in os.listdir(os.path.dirname(__file__)):
-        if ((fname.endswith('.py') or fname.endswith('.pyc')) and
-            not fname.startswith('__init__')):
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()

llvmpy/src/Transforms/Utils/__init__.py

@@ -1,15 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    base = os.path.dirname(__file__)
-    for fname in os.listdir(base):
-        print fname
-        is_python_script = fname.endswith('.py') or fname.endswith('.pyc')
-        is_init_script = fname.startswith('__init__')
-        is_directory = os.path.isdir(os.path.join(base, fname))
-        if (is_directory or is_python_script) and not is_init_script :
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()
-

llvmpy/src/Transforms/__init__.py

@@ -1,15 +1,2 @@
-import os.path, importlib
+from src import _init
-
+_init(__name__, __file__)
-def _init():
-    base = os.path.dirname(__file__)
-    for fname in os.listdir(base):
-        print fname
-        is_python_script = fname.endswith('.py') or fname.endswith('.pyc')
-        is_init_script = fname.startswith('__init__')
-        is_directory = os.path.isdir(os.path.join(base, fname))
-        if (is_directory or is_python_script) and not is_init_script :
-            modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
-
-_init()
-

llvmpy/src/__init__.py

@@ -1,7 +1,7 @@
-import os.path, importlib
+import os.path
 
-def _init():
+def _init(root=__name__, file=__file__):
-    base = os.path.dirname(__file__)
+    base = os.path.dirname(file)
     for fname in os.listdir(base):
         print fname
         is_python_script = fname.endswith('.py') or fname.endswith('.pyc')
@@ -9,7 +9,8 @@ def _init():
         is_directory = os.path.isdir(os.path.join(base, fname))
         if (is_directory or is_python_script) and not is_init_script :
             modname = os.path.basename(fname).rsplit('.', 1)[0]
-            importlib.import_module('.' + modname, __name__)
+            #importlib.import_module('.' + modname, __name__)
+            __import__('.'.join([root, modname]))
 
 _init()