use libc::{c_void, c_char, c_int};
use pyport::Py_ssize_t;
use object::PyObject;
use pystate::{PyFrameObject, PyThreadState, Py_tracefunc};
use pythonrun::PyCompilerFlags;

extern "C" {
    pub fn PyEval_CallObjectWithKeywords(callable: *mut PyObject,
                                         args: *mut PyObject,
                                         kwds: *mut PyObject)
     -> *mut PyObject;
    pub fn PyEval_CallFunction(obj: *mut PyObject,
                               format: *const c_char, ...)
     -> *mut PyObject;
    pub fn PyEval_CallMethod(obj: *mut PyObject,
                             methodname: *const c_char,
                             format: *const c_char, ...)
     -> *mut PyObject;
    pub fn PyEval_SetProfile(func: Option<Py_tracefunc>, obj: *mut PyObject);
    pub fn PyEval_SetTrace(func: Option<Py_tracefunc>, obj: *mut PyObject);
    pub fn PyEval_GetBuiltins() -> *mut PyObject;
    pub fn PyEval_GetGlobals() -> *mut PyObject;
    pub fn PyEval_GetLocals() -> *mut PyObject;
    pub fn PyEval_GetFrame() -> *mut PyFrameObject;
    pub fn PyEval_GetRestricted() -> c_int;
    pub fn PyEval_MergeCompilerFlags(cf: *mut PyCompilerFlags)
     -> c_int;
    pub fn Py_FlushLine() -> c_int;
    pub fn Py_AddPendingCall(func:
                                 Option<extern "C" fn
                                                           (arg1:
                                                                *mut c_void)
                                                           -> c_int>,
                             arg: *mut c_void) -> c_int;
    pub fn Py_MakePendingCalls() -> c_int;
    pub fn Py_SetRecursionLimit(arg1: c_int);
    pub fn Py_GetRecursionLimit() -> c_int;
    fn _Py_CheckRecursiveCall(_where: *mut c_char)
     -> c_int;

    pub fn PyEval_GetFuncName(arg1: *mut PyObject) -> *const c_char;
    pub fn PyEval_GetFuncDesc(arg1: *mut PyObject) -> *const c_char;
    pub fn PyEval_GetCallStats(arg1: *mut PyObject) -> *mut PyObject;
    pub fn PyEval_EvalFrame(arg1: *mut PyFrameObject) -> *mut PyObject;
    pub fn PyEval_EvalFrameEx(f: *mut PyFrameObject, exc: c_int)
     -> *mut PyObject;
    pub fn PyEval_SaveThread() -> *mut PyThreadState;
    pub fn PyEval_RestoreThread(arg1: *mut PyThreadState);
    
    fn _PyEval_SliceIndex(arg1: *mut PyObject, arg2: *mut Py_ssize_t)
     -> c_int;
}

#[cfg(feature = "WITH_THREAD")]
extern "C" {
    pub fn PyEval_ThreadsInitialized() -> c_int;
    pub fn PyEval_InitThreads();
    pub fn PyEval_AcquireLock();
    pub fn PyEval_ReleaseLock();
    pub fn PyEval_AcquireThread(tstate: *mut PyThreadState);
    pub fn PyEval_ReleaseThread(tstate: *mut PyThreadState);
    pub fn PyEval_ReInitThreads();
}