Added web pages, and some ee/passes stuff. *Broken*.

git-svn-id: http://llvm-py.googlecode.com/svn/trunk@3 8d1e9007-1d4e-0410-b67e-1979fd6579aa

llvm/_util.py

@@ -0,0 +1,39 @@
+"""Utility functions and classes.
+
+Not for public use!"""
+
+import core
+
+def _check_gen(obj, type):
+    if not isinstance(obj, type):
+        msg = "argument must be an instance of llvm.core.%s (or of a class derived from it)" % type_str
+        raise TypeError, msg
+
+def check_is_type(obj):     _check_gen(obj, core.Type)
+def check_is_value(obj):    _check_gen(obj, core.Value)
+def check_is_pointer(obj):  _check_gen(obj, core.Pointer)
+def check_is_constant(obj): _check_gen(obj, core.Constant)
+def check_is_function(obj): _check_gen(obj, core.Function)
+def check_is_basic_block(obj): _check_gen(obj, core.BasicBlock)
+def check_is_module_provider(obj): _check_gen(obj, core.ModuleProvider)
+
+def unpack_gen(objlist, check_fn):
+    for obj in objlist: check_fn(obj)
+    return [ obj.ptr for obj in objlist ]
+
+def unpack_types(objlist):     return unpack_gen(objlist, check_is_type)
+def unpack_values(objlist):    return unpack_gen(objlist, check_is_value)
+def unpack_constants(objlist): return unpack_gen(objlist, check_is_constant)
+
+def wrapiter(first, next, container, wrapper):
+    ptr = first(container)
+    while ptr:
+        yield wrapper(ptr)
+        ptr = next(ptr)
+
+class dummy_owner(object):
+
+    def __init__(self, ownee):
+        ownee._own(self)
+
+