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							650 lines
						
					
					
						
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							650 lines
						
					
					
						
							24 KiB
						
					
					
				#!/usr/bin/env python3
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"""
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Build call-back mechanism for f2py2e.
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Copyright 2000 Pearu Peterson all rights reserved,
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Pearu Peterson <pearu@ioc.ee>
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Permission to use, modify, and distribute this software is given under the
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terms of the NumPy License.
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NO WARRANTY IS EXPRESSED OR IMPLIED.  USE AT YOUR OWN RISK.
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$Date: 2005/07/20 11:27:58 $
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Pearu Peterson
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"""
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from . import __version__
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from .auxfuncs import (
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    applyrules, debugcapi, dictappend, errmess, getargs, hasnote, isarray,
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    iscomplex, iscomplexarray, iscomplexfunction, isfunction, isintent_c,
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    isintent_hide, isintent_in, isintent_inout, isintent_nothide,
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    isintent_out, isoptional, isrequired, isscalar, isstring,
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    isstringfunction, issubroutine, l_and, l_not, l_or, outmess, replace,
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    stripcomma, throw_error
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)
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from . import cfuncs
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f2py_version = __version__.version
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################## Rules for callback function ##############
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cb_routine_rules = {
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    'cbtypedefs': 'typedef #rctype#(*#name#_typedef)(#optargs_td##args_td##strarglens_td##noargs#);',
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    'body': """
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#begintitle#
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typedef struct {
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    PyObject *capi;
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    PyTupleObject *args_capi;
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    int nofargs;
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    jmp_buf jmpbuf;
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} #name#_t;
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#if defined(F2PY_THREAD_LOCAL_DECL) && !defined(F2PY_USE_PYTHON_TLS)
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static F2PY_THREAD_LOCAL_DECL #name#_t *_active_#name# = NULL;
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static #name#_t *swap_active_#name#(#name#_t *ptr) {
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    #name#_t *prev = _active_#name#;
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    _active_#name# = ptr;
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    return prev;
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}
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static #name#_t *get_active_#name#(void) {
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    return _active_#name#;
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}
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#else
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static #name#_t *swap_active_#name#(#name#_t *ptr) {
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    char *key = "__f2py_cb_#name#";
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    return (#name#_t *)F2PySwapThreadLocalCallbackPtr(key, ptr);
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}
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static #name#_t *get_active_#name#(void) {
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    char *key = "__f2py_cb_#name#";
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    return (#name#_t *)F2PyGetThreadLocalCallbackPtr(key);
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}
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#endif
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/*typedef #rctype#(*#name#_typedef)(#optargs_td##args_td##strarglens_td##noargs#);*/
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#static# #rctype# #callbackname# (#optargs##args##strarglens##noargs#) {
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    #name#_t cb_local = { NULL, NULL, 0 };
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    #name#_t *cb = NULL;
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    PyTupleObject *capi_arglist = NULL;
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    PyObject *capi_return = NULL;
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    PyObject *capi_tmp = NULL;
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    PyObject *capi_arglist_list = NULL;
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    int capi_j,capi_i = 0;
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    int capi_longjmp_ok = 1;
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#decl#
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#ifdef F2PY_REPORT_ATEXIT
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f2py_cb_start_clock();
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#endif
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    cb = get_active_#name#();
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    if (cb == NULL) {
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        capi_longjmp_ok = 0;
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        cb = &cb_local;
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    }
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    capi_arglist = cb->args_capi;
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    CFUNCSMESS(\"cb:Call-back function #name# (maxnofargs=#maxnofargs#(-#nofoptargs#))\\n\");
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    CFUNCSMESSPY(\"cb:#name#_capi=\",cb->capi);
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    if (cb->capi==NULL) {
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        capi_longjmp_ok = 0;
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        cb->capi = PyObject_GetAttrString(#modulename#_module,\"#argname#\");
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        CFUNCSMESSPY(\"cb:#name#_capi=\",cb->capi);
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    }
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    if (cb->capi==NULL) {
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        PyErr_SetString(#modulename#_error,\"cb: Callback #argname# not defined (as an argument or module #modulename# attribute).\\n\");
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        goto capi_fail;
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    }
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    if (F2PyCapsule_Check(cb->capi)) {
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    #name#_typedef #name#_cptr;
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    #name#_cptr = F2PyCapsule_AsVoidPtr(cb->capi);
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    #returncptr#(*#name#_cptr)(#optargs_nm##args_nm##strarglens_nm#);
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    #return#
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    }
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    if (capi_arglist==NULL) {
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        capi_longjmp_ok = 0;
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        capi_tmp = PyObject_GetAttrString(#modulename#_module,\"#argname#_extra_args\");
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        if (capi_tmp) {
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            capi_arglist = (PyTupleObject *)PySequence_Tuple(capi_tmp);
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            Py_DECREF(capi_tmp);
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            if (capi_arglist==NULL) {
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                PyErr_SetString(#modulename#_error,\"Failed to convert #modulename#.#argname#_extra_args to tuple.\\n\");
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                goto capi_fail;
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            }
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        } else {
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            PyErr_Clear();
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            capi_arglist = (PyTupleObject *)Py_BuildValue(\"()\");
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        }
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    }
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    if (capi_arglist == NULL) {
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        PyErr_SetString(#modulename#_error,\"Callback #argname# argument list is not set.\\n\");
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        goto capi_fail;
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    }
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#setdims#
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#ifdef PYPY_VERSION
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#define CAPI_ARGLIST_SETITEM(idx, value) PyList_SetItem((PyObject *)capi_arglist_list, idx, value)
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    capi_arglist_list = PySequence_List(capi_arglist);
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    if (capi_arglist_list == NULL) goto capi_fail;
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#else
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#define CAPI_ARGLIST_SETITEM(idx, value) PyTuple_SetItem((PyObject *)capi_arglist, idx, value)
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#endif
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#pyobjfrom#
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#undef CAPI_ARGLIST_SETITEM
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#ifdef PYPY_VERSION
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    CFUNCSMESSPY(\"cb:capi_arglist=\",capi_arglist_list);
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#else
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    CFUNCSMESSPY(\"cb:capi_arglist=\",capi_arglist);
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#endif
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    CFUNCSMESS(\"cb:Call-back calling Python function #argname#.\\n\");
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#ifdef F2PY_REPORT_ATEXIT
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f2py_cb_start_call_clock();
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#endif
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#ifdef PYPY_VERSION
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    capi_return = PyObject_CallObject(cb->capi,(PyObject *)capi_arglist_list);
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    Py_DECREF(capi_arglist_list);
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    capi_arglist_list = NULL;
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#else
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    capi_return = PyObject_CallObject(cb->capi,(PyObject *)capi_arglist);
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#endif
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#ifdef F2PY_REPORT_ATEXIT
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f2py_cb_stop_call_clock();
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#endif
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    CFUNCSMESSPY(\"cb:capi_return=\",capi_return);
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    if (capi_return == NULL) {
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        fprintf(stderr,\"capi_return is NULL\\n\");
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        goto capi_fail;
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    }
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    if (capi_return == Py_None) {
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        Py_DECREF(capi_return);
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        capi_return = Py_BuildValue(\"()\");
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    }
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    else if (!PyTuple_Check(capi_return)) {
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        capi_return = Py_BuildValue(\"(N)\",capi_return);
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    }
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    capi_j = PyTuple_Size(capi_return);
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    capi_i = 0;
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#frompyobj#
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    CFUNCSMESS(\"cb:#name#:successful\\n\");
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    Py_DECREF(capi_return);
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#ifdef F2PY_REPORT_ATEXIT
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f2py_cb_stop_clock();
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#endif
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    goto capi_return_pt;
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capi_fail:
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    fprintf(stderr,\"Call-back #name# failed.\\n\");
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    Py_XDECREF(capi_return);
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    Py_XDECREF(capi_arglist_list);
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    if (capi_longjmp_ok) {
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        longjmp(cb->jmpbuf,-1);
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    }
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capi_return_pt:
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    ;
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#return#
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}
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#endtitle#
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""",
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    'need': ['setjmp.h', 'CFUNCSMESS', 'F2PY_THREAD_LOCAL_DECL'],
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    'maxnofargs': '#maxnofargs#',
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    'nofoptargs': '#nofoptargs#',
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    'docstr': """\
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    def #argname#(#docsignature#): return #docreturn#\\n\\
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#docstrsigns#""",
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    'latexdocstr': """
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{{}\\verb@def #argname#(#latexdocsignature#): return #docreturn#@{}}
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#routnote#
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#latexdocstrsigns#""",
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    'docstrshort': 'def #argname#(#docsignature#): return #docreturn#'
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}
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cb_rout_rules = [
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    {  # Init
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        'separatorsfor': {'decl': '\n',
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                          'args': ',', 'optargs': '', 'pyobjfrom': '\n', 'freemem': '\n',
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                          'args_td': ',', 'optargs_td': '',
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                          'args_nm': ',', 'optargs_nm': '',
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                          'frompyobj': '\n', 'setdims': '\n',
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                          'docstrsigns': '\\n"\n"',
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                          'latexdocstrsigns': '\n',
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                          'latexdocstrreq': '\n', 'latexdocstropt': '\n',
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                          'latexdocstrout': '\n', 'latexdocstrcbs': '\n',
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                          },
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        'decl': '/*decl*/', 'pyobjfrom': '/*pyobjfrom*/', 'frompyobj': '/*frompyobj*/',
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        'args': [], 'optargs': '', 'return': '', 'strarglens': '', 'freemem': '/*freemem*/',
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        'args_td': [], 'optargs_td': '', 'strarglens_td': '',
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        'args_nm': [], 'optargs_nm': '', 'strarglens_nm': '',
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        'noargs': '',
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        'setdims': '/*setdims*/',
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        'docstrsigns': '', 'latexdocstrsigns': '',
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        'docstrreq': '    Required arguments:',
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        'docstropt': '    Optional arguments:',
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        'docstrout': '    Return objects:',
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        'docstrcbs': '    Call-back functions:',
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        'docreturn': '', 'docsign': '', 'docsignopt': '',
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        'latexdocstrreq': '\\noindent Required arguments:',
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        'latexdocstropt': '\\noindent Optional arguments:',
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        'latexdocstrout': '\\noindent Return objects:',
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        'latexdocstrcbs': '\\noindent Call-back functions:',
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        'routnote': {hasnote: '--- #note#', l_not(hasnote): ''},
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    }, {  # Function
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        'decl': '    #ctype# return_value = 0;',
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        'frompyobj': [
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            {debugcapi: '    CFUNCSMESS("cb:Getting return_value->");'},
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            '''\
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    if (capi_j>capi_i) {
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        GETSCALARFROMPYTUPLE(capi_return,capi_i++,&return_value,#ctype#,
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          "#ctype#_from_pyobj failed in converting return_value of"
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          " call-back function #name# to C #ctype#\\n");
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    } else {
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        fprintf(stderr,"Warning: call-back function #name# did not provide"
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                       " return value (index=%d, type=#ctype#)\\n",capi_i);
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    }''',
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            {debugcapi:
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             '    fprintf(stderr,"#showvalueformat#.\\n",return_value);'}
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        ],
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        'need': ['#ctype#_from_pyobj', {debugcapi: 'CFUNCSMESS'}, 'GETSCALARFROMPYTUPLE'],
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        'return': '    return return_value;',
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        '_check': l_and(isfunction, l_not(isstringfunction), l_not(iscomplexfunction))
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    },
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    {  # String function
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        'pyobjfrom': {debugcapi: '    fprintf(stderr,"debug-capi:cb:#name#:%d:\\n",return_value_len);'},
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        'args': '#ctype# return_value,int return_value_len',
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        'args_nm': 'return_value,&return_value_len',
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        'args_td': '#ctype# ,int',
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        'frompyobj': [
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            {debugcapi: '    CFUNCSMESS("cb:Getting return_value->\\"");'},
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            """\
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    if (capi_j>capi_i) {
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        GETSTRFROMPYTUPLE(capi_return,capi_i++,return_value,return_value_len);
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    } else {
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        fprintf(stderr,"Warning: call-back function #name# did not provide"
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                       " return value (index=%d, type=#ctype#)\\n",capi_i);
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    }""",
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            {debugcapi:
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             '    fprintf(stderr,"#showvalueformat#\\".\\n",return_value);'}
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        ],
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        'need': ['#ctype#_from_pyobj', {debugcapi: 'CFUNCSMESS'},
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                 'string.h', 'GETSTRFROMPYTUPLE'],
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        'return': 'return;',
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        '_check': isstringfunction
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    },
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    {  # Complex function
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        'optargs': """
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#ifndef F2PY_CB_RETURNCOMPLEX
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#ctype# *return_value
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#endif
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""",
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        'optargs_nm': """
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#ifndef F2PY_CB_RETURNCOMPLEX
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return_value
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#endif
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""",
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        'optargs_td': """
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#ifndef F2PY_CB_RETURNCOMPLEX
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#ctype# *
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#endif
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""",
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        'decl': """
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#ifdef F2PY_CB_RETURNCOMPLEX
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    #ctype# return_value = {0, 0};
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#endif
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""",
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        'frompyobj': [
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            {debugcapi: '    CFUNCSMESS("cb:Getting return_value->");'},
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            """\
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    if (capi_j>capi_i) {
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#ifdef F2PY_CB_RETURNCOMPLEX
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        GETSCALARFROMPYTUPLE(capi_return,capi_i++,&return_value,#ctype#,
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          \"#ctype#_from_pyobj failed in converting return_value of call-back\"
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          \" function #name# to C #ctype#\\n\");
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						|
#else
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        GETSCALARFROMPYTUPLE(capi_return,capi_i++,return_value,#ctype#,
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          \"#ctype#_from_pyobj failed in converting return_value of call-back\"
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						|
          \" function #name# to C #ctype#\\n\");
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						|
#endif
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						|
    } else {
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						|
        fprintf(stderr,
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                \"Warning: call-back function #name# did not provide\"
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                \" return value (index=%d, type=#ctype#)\\n\",capi_i);
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						|
    }""",
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            {debugcapi: """\
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#ifdef F2PY_CB_RETURNCOMPLEX
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    fprintf(stderr,\"#showvalueformat#.\\n\",(return_value).r,(return_value).i);
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						|
#else
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						|
    fprintf(stderr,\"#showvalueformat#.\\n\",(*return_value).r,(*return_value).i);
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						|
#endif
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						|
"""}
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						|
        ],
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						|
        'return': """
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						|
#ifdef F2PY_CB_RETURNCOMPLEX
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						|
    return return_value;
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						|
#else
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						|
    return;
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						|
#endif
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						|
""",
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						|
        'need': ['#ctype#_from_pyobj', {debugcapi: 'CFUNCSMESS'},
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						|
                 'string.h', 'GETSCALARFROMPYTUPLE', '#ctype#'],
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						|
        '_check': iscomplexfunction
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						|
    },
 | 
						|
    {'docstrout': '        #pydocsignout#',
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						|
     'latexdocstrout': ['\\item[]{{}\\verb@#pydocsignout#@{}}',
 | 
						|
                        {hasnote: '--- #note#'}],
 | 
						|
     'docreturn': '#rname#,',
 | 
						|
     '_check': isfunction},
 | 
						|
    {'_check': issubroutine, 'return': 'return;'}
 | 
						|
]
 | 
						|
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						|
cb_arg_rules = [
 | 
						|
    {  # Doc
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						|
        'docstropt': {l_and(isoptional, isintent_nothide): '        #pydocsign#'},
 | 
						|
        'docstrreq': {l_and(isrequired, isintent_nothide): '        #pydocsign#'},
 | 
						|
        'docstrout': {isintent_out: '        #pydocsignout#'},
 | 
						|
        'latexdocstropt': {l_and(isoptional, isintent_nothide): ['\\item[]{{}\\verb@#pydocsign#@{}}',
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						|
                                                                 {hasnote: '--- #note#'}]},
 | 
						|
        'latexdocstrreq': {l_and(isrequired, isintent_nothide): ['\\item[]{{}\\verb@#pydocsign#@{}}',
 | 
						|
                                                                 {hasnote: '--- #note#'}]},
 | 
						|
        'latexdocstrout': {isintent_out: ['\\item[]{{}\\verb@#pydocsignout#@{}}',
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						|
                                          {l_and(hasnote, isintent_hide): '--- #note#',
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						|
                                           l_and(hasnote, isintent_nothide): '--- See above.'}]},
 | 
						|
        'docsign': {l_and(isrequired, isintent_nothide): '#varname#,'},
 | 
						|
        'docsignopt': {l_and(isoptional, isintent_nothide): '#varname#,'},
 | 
						|
        'depend': ''
 | 
						|
    },
 | 
						|
    {
 | 
						|
        'args': {
 | 
						|
            l_and(isscalar, isintent_c): '#ctype# #varname_i#',
 | 
						|
            l_and(isscalar, l_not(isintent_c)): '#ctype# *#varname_i#_cb_capi',
 | 
						|
            isarray: '#ctype# *#varname_i#',
 | 
						|
            isstring: '#ctype# #varname_i#'
 | 
						|
        },
 | 
						|
        'args_nm': {
 | 
						|
            l_and(isscalar, isintent_c): '#varname_i#',
 | 
						|
            l_and(isscalar, l_not(isintent_c)): '#varname_i#_cb_capi',
 | 
						|
            isarray: '#varname_i#',
 | 
						|
            isstring: '#varname_i#'
 | 
						|
        },
 | 
						|
        'args_td': {
 | 
						|
            l_and(isscalar, isintent_c): '#ctype#',
 | 
						|
            l_and(isscalar, l_not(isintent_c)): '#ctype# *',
 | 
						|
            isarray: '#ctype# *',
 | 
						|
            isstring: '#ctype#'
 | 
						|
        },
 | 
						|
        'need': {l_or(isscalar, isarray, isstring): '#ctype#'},
 | 
						|
        # untested with multiple args
 | 
						|
        'strarglens': {isstring: ',int #varname_i#_cb_len'},
 | 
						|
        'strarglens_td': {isstring: ',int'},  # untested with multiple args
 | 
						|
        # untested with multiple args
 | 
						|
        'strarglens_nm': {isstring: ',#varname_i#_cb_len'},
 | 
						|
    },
 | 
						|
    {  # Scalars
 | 
						|
        'decl': {l_not(isintent_c): '    #ctype# #varname_i#=(*#varname_i#_cb_capi);'},
 | 
						|
        'error': {l_and(isintent_c, isintent_out,
 | 
						|
                        throw_error('intent(c,out) is forbidden for callback scalar arguments')):
 | 
						|
                  ''},
 | 
						|
        'frompyobj': [{debugcapi: '    CFUNCSMESS("cb:Getting #varname#->");'},
 | 
						|
                      {isintent_out:
 | 
						|
                       '    if (capi_j>capi_i)\n        GETSCALARFROMPYTUPLE(capi_return,capi_i++,#varname_i#_cb_capi,#ctype#,"#ctype#_from_pyobj failed in converting argument #varname# of call-back function #name# to C #ctype#\\n");'},
 | 
						|
                      {l_and(debugcapi, l_and(l_not(iscomplex), isintent_c)):
 | 
						|
                          '    fprintf(stderr,"#showvalueformat#.\\n",#varname_i#);'},
 | 
						|
                      {l_and(debugcapi, l_and(l_not(iscomplex), l_not( isintent_c))):
 | 
						|
                          '    fprintf(stderr,"#showvalueformat#.\\n",*#varname_i#_cb_capi);'},
 | 
						|
                      {l_and(debugcapi, l_and(iscomplex, isintent_c)):
 | 
						|
                          '    fprintf(stderr,"#showvalueformat#.\\n",(#varname_i#).r,(#varname_i#).i);'},
 | 
						|
                      {l_and(debugcapi, l_and(iscomplex, l_not( isintent_c))):
 | 
						|
                          '    fprintf(stderr,"#showvalueformat#.\\n",(*#varname_i#_cb_capi).r,(*#varname_i#_cb_capi).i);'},
 | 
						|
                      ],
 | 
						|
        'need': [{isintent_out: ['#ctype#_from_pyobj', 'GETSCALARFROMPYTUPLE']},
 | 
						|
                 {debugcapi: 'CFUNCSMESS'}],
 | 
						|
        '_check': isscalar
 | 
						|
    }, {
 | 
						|
        'pyobjfrom': [{isintent_in: """\
 | 
						|
    if (cb->nofargs>capi_i)
 | 
						|
        if (CAPI_ARGLIST_SETITEM(capi_i++,pyobj_from_#ctype#1(#varname_i#)))
 | 
						|
            goto capi_fail;"""},
 | 
						|
                      {isintent_inout: """\
 | 
						|
    if (cb->nofargs>capi_i)
 | 
						|
        if (CAPI_ARGLIST_SETITEM(capi_i++,pyarr_from_p_#ctype#1(#varname_i#_cb_capi)))
 | 
						|
            goto capi_fail;"""}],
 | 
						|
        'need': [{isintent_in: 'pyobj_from_#ctype#1'},
 | 
						|
                 {isintent_inout: 'pyarr_from_p_#ctype#1'},
 | 
						|
                 {iscomplex: '#ctype#'}],
 | 
						|
        '_check': l_and(isscalar, isintent_nothide),
 | 
						|
        '_optional': ''
 | 
						|
    }, {  # String
 | 
						|
        'frompyobj': [{debugcapi: '    CFUNCSMESS("cb:Getting #varname#->\\"");'},
 | 
						|
                      """    if (capi_j>capi_i)
 | 
						|
        GETSTRFROMPYTUPLE(capi_return,capi_i++,#varname_i#,#varname_i#_cb_len);""",
 | 
						|
                      {debugcapi:
 | 
						|
                       '    fprintf(stderr,"#showvalueformat#\\":%d:.\\n",#varname_i#,#varname_i#_cb_len);'},
 | 
						|
                      ],
 | 
						|
        'need': ['#ctype#', 'GETSTRFROMPYTUPLE',
 | 
						|
                 {debugcapi: 'CFUNCSMESS'}, 'string.h'],
 | 
						|
        '_check': l_and(isstring, isintent_out)
 | 
						|
    }, {
 | 
						|
        'pyobjfrom': [
 | 
						|
            {debugcapi:
 | 
						|
             ('    fprintf(stderr,"debug-capi:cb:#varname#=#showvalueformat#:'
 | 
						|
              '%d:\\n",#varname_i#,#varname_i#_cb_len);')},
 | 
						|
            {isintent_in: """\
 | 
						|
    if (cb->nofargs>capi_i)
 | 
						|
        if (CAPI_ARGLIST_SETITEM(capi_i++,pyobj_from_#ctype#1size(#varname_i#,#varname_i#_cb_len)))
 | 
						|
            goto capi_fail;"""},
 | 
						|
                      {isintent_inout: """\
 | 
						|
    if (cb->nofargs>capi_i) {
 | 
						|
        int #varname_i#_cb_dims[] = {#varname_i#_cb_len};
 | 
						|
        if (CAPI_ARGLIST_SETITEM(capi_i++,pyarr_from_p_#ctype#1(#varname_i#,#varname_i#_cb_dims)))
 | 
						|
            goto capi_fail;
 | 
						|
    }"""}],
 | 
						|
        'need': [{isintent_in: 'pyobj_from_#ctype#1size'},
 | 
						|
                 {isintent_inout: 'pyarr_from_p_#ctype#1'}],
 | 
						|
        '_check': l_and(isstring, isintent_nothide),
 | 
						|
        '_optional': ''
 | 
						|
    },
 | 
						|
    # Array ...
 | 
						|
    {
 | 
						|
        'decl': '    npy_intp #varname_i#_Dims[#rank#] = {#rank*[-1]#};',
 | 
						|
        'setdims': '    #cbsetdims#;',
 | 
						|
        '_check': isarray,
 | 
						|
        '_depend': ''
 | 
						|
    },
 | 
						|
    {
 | 
						|
        'pyobjfrom': [{debugcapi: '    fprintf(stderr,"debug-capi:cb:#varname#\\n");'},
 | 
						|
                      {isintent_c: """\
 | 
						|
    if (cb->nofargs>capi_i) {
 | 
						|
        /* tmp_arr will be inserted to capi_arglist_list that will be
 | 
						|
           destroyed when leaving callback function wrapper together
 | 
						|
           with tmp_arr. */
 | 
						|
        PyArrayObject *tmp_arr = (PyArrayObject *)PyArray_New(&PyArray_Type,
 | 
						|
          #rank#,#varname_i#_Dims,#atype#,NULL,(char*)#varname_i#,#elsize#,
 | 
						|
          NPY_ARRAY_CARRAY,NULL);
 | 
						|
""",
 | 
						|
                       l_not(isintent_c): """\
 | 
						|
    if (cb->nofargs>capi_i) {
 | 
						|
        /* tmp_arr will be inserted to capi_arglist_list that will be
 | 
						|
           destroyed when leaving callback function wrapper together
 | 
						|
           with tmp_arr. */
 | 
						|
        PyArrayObject *tmp_arr = (PyArrayObject *)PyArray_New(&PyArray_Type,
 | 
						|
          #rank#,#varname_i#_Dims,#atype#,NULL,(char*)#varname_i#,#elsize#,
 | 
						|
          NPY_ARRAY_FARRAY,NULL);
 | 
						|
""",
 | 
						|
                       },
 | 
						|
                      """
 | 
						|
        if (tmp_arr==NULL)
 | 
						|
            goto capi_fail;
 | 
						|
        if (CAPI_ARGLIST_SETITEM(capi_i++,(PyObject *)tmp_arr))
 | 
						|
            goto capi_fail;
 | 
						|
}"""],
 | 
						|
        '_check': l_and(isarray, isintent_nothide, l_or(isintent_in, isintent_inout)),
 | 
						|
        '_optional': '',
 | 
						|
    }, {
 | 
						|
        'frompyobj': [{debugcapi: '    CFUNCSMESS("cb:Getting #varname#->");'},
 | 
						|
                      """    if (capi_j>capi_i) {
 | 
						|
        PyArrayObject *rv_cb_arr = NULL;
 | 
						|
        if ((capi_tmp = PyTuple_GetItem(capi_return,capi_i++))==NULL) goto capi_fail;
 | 
						|
        rv_cb_arr =  array_from_pyobj(#atype#,#varname_i#_Dims,#rank#,F2PY_INTENT_IN""",
 | 
						|
                      {isintent_c: '|F2PY_INTENT_C'},
 | 
						|
                      """,capi_tmp);
 | 
						|
        if (rv_cb_arr == NULL) {
 | 
						|
            fprintf(stderr,\"rv_cb_arr is NULL\\n\");
 | 
						|
            goto capi_fail;
 | 
						|
        }
 | 
						|
        MEMCOPY(#varname_i#,PyArray_DATA(rv_cb_arr),PyArray_NBYTES(rv_cb_arr));
 | 
						|
        if (capi_tmp != (PyObject *)rv_cb_arr) {
 | 
						|
            Py_DECREF(rv_cb_arr);
 | 
						|
        }
 | 
						|
    }""",
 | 
						|
                      {debugcapi: '    fprintf(stderr,"<-.\\n");'},
 | 
						|
                      ],
 | 
						|
        'need': ['MEMCOPY', {iscomplexarray: '#ctype#'}],
 | 
						|
        '_check': l_and(isarray, isintent_out)
 | 
						|
    }, {
 | 
						|
        'docreturn': '#varname#,',
 | 
						|
        '_check': isintent_out
 | 
						|
    }
 | 
						|
]
 | 
						|
 | 
						|
################## Build call-back module #############
 | 
						|
cb_map = {}
 | 
						|
 | 
						|
 | 
						|
def buildcallbacks(m):
 | 
						|
    cb_map[m['name']] = []
 | 
						|
    for bi in m['body']:
 | 
						|
        if bi['block'] == 'interface':
 | 
						|
            for b in bi['body']:
 | 
						|
                if b:
 | 
						|
                    buildcallback(b, m['name'])
 | 
						|
                else:
 | 
						|
                    errmess('warning: empty body for %s\n' % (m['name']))
 | 
						|
 | 
						|
 | 
						|
def buildcallback(rout, um):
 | 
						|
    from . import capi_maps
 | 
						|
 | 
						|
    outmess('    Constructing call-back function "cb_%s_in_%s"\n' %
 | 
						|
            (rout['name'], um))
 | 
						|
    args, depargs = getargs(rout)
 | 
						|
    capi_maps.depargs = depargs
 | 
						|
    var = rout['vars']
 | 
						|
    vrd = capi_maps.cb_routsign2map(rout, um)
 | 
						|
    rd = dictappend({}, vrd)
 | 
						|
    cb_map[um].append([rout['name'], rd['name']])
 | 
						|
    for r in cb_rout_rules:
 | 
						|
        if ('_check' in r and r['_check'](rout)) or ('_check' not in r):
 | 
						|
            ar = applyrules(r, vrd, rout)
 | 
						|
            rd = dictappend(rd, ar)
 | 
						|
    savevrd = {}
 | 
						|
    for i, a in enumerate(args):
 | 
						|
        vrd = capi_maps.cb_sign2map(a, var[a], index=i)
 | 
						|
        savevrd[a] = vrd
 | 
						|
        for r in cb_arg_rules:
 | 
						|
            if '_depend' in r:
 | 
						|
                continue
 | 
						|
            if '_optional' in r and isoptional(var[a]):
 | 
						|
                continue
 | 
						|
            if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
 | 
						|
                ar = applyrules(r, vrd, var[a])
 | 
						|
                rd = dictappend(rd, ar)
 | 
						|
                if '_break' in r:
 | 
						|
                    break
 | 
						|
    for a in args:
 | 
						|
        vrd = savevrd[a]
 | 
						|
        for r in cb_arg_rules:
 | 
						|
            if '_depend' in r:
 | 
						|
                continue
 | 
						|
            if ('_optional' not in r) or ('_optional' in r and isrequired(var[a])):
 | 
						|
                continue
 | 
						|
            if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
 | 
						|
                ar = applyrules(r, vrd, var[a])
 | 
						|
                rd = dictappend(rd, ar)
 | 
						|
                if '_break' in r:
 | 
						|
                    break
 | 
						|
    for a in depargs:
 | 
						|
        vrd = savevrd[a]
 | 
						|
        for r in cb_arg_rules:
 | 
						|
            if '_depend' not in r:
 | 
						|
                continue
 | 
						|
            if '_optional' in r:
 | 
						|
                continue
 | 
						|
            if ('_check' in r and r['_check'](var[a])) or ('_check' not in r):
 | 
						|
                ar = applyrules(r, vrd, var[a])
 | 
						|
                rd = dictappend(rd, ar)
 | 
						|
                if '_break' in r:
 | 
						|
                    break
 | 
						|
    if 'args' in rd and 'optargs' in rd:
 | 
						|
        if isinstance(rd['optargs'], list):
 | 
						|
            rd['optargs'] = rd['optargs'] + ["""
 | 
						|
#ifndef F2PY_CB_RETURNCOMPLEX
 | 
						|
,
 | 
						|
#endif
 | 
						|
"""]
 | 
						|
            rd['optargs_nm'] = rd['optargs_nm'] + ["""
 | 
						|
#ifndef F2PY_CB_RETURNCOMPLEX
 | 
						|
,
 | 
						|
#endif
 | 
						|
"""]
 | 
						|
            rd['optargs_td'] = rd['optargs_td'] + ["""
 | 
						|
#ifndef F2PY_CB_RETURNCOMPLEX
 | 
						|
,
 | 
						|
#endif
 | 
						|
"""]
 | 
						|
    if isinstance(rd['docreturn'], list):
 | 
						|
        rd['docreturn'] = stripcomma(
 | 
						|
            replace('#docreturn#', {'docreturn': rd['docreturn']}))
 | 
						|
    optargs = stripcomma(replace('#docsignopt#',
 | 
						|
                                 {'docsignopt': rd['docsignopt']}
 | 
						|
                                 ))
 | 
						|
    if optargs == '':
 | 
						|
        rd['docsignature'] = stripcomma(
 | 
						|
            replace('#docsign#', {'docsign': rd['docsign']}))
 | 
						|
    else:
 | 
						|
        rd['docsignature'] = replace('#docsign#[#docsignopt#]',
 | 
						|
                                     {'docsign': rd['docsign'],
 | 
						|
                                      'docsignopt': optargs,
 | 
						|
                                      })
 | 
						|
    rd['latexdocsignature'] = rd['docsignature'].replace('_', '\\_')
 | 
						|
    rd['latexdocsignature'] = rd['latexdocsignature'].replace(',', ', ')
 | 
						|
    rd['docstrsigns'] = []
 | 
						|
    rd['latexdocstrsigns'] = []
 | 
						|
    for k in ['docstrreq', 'docstropt', 'docstrout', 'docstrcbs']:
 | 
						|
        if k in rd and isinstance(rd[k], list):
 | 
						|
            rd['docstrsigns'] = rd['docstrsigns'] + rd[k]
 | 
						|
        k = 'latex' + k
 | 
						|
        if k in rd and isinstance(rd[k], list):
 | 
						|
            rd['latexdocstrsigns'] = rd['latexdocstrsigns'] + rd[k][0:1] +\
 | 
						|
                ['\\begin{description}'] + rd[k][1:] +\
 | 
						|
                ['\\end{description}']
 | 
						|
    if 'args' not in rd:
 | 
						|
        rd['args'] = ''
 | 
						|
        rd['args_td'] = ''
 | 
						|
        rd['args_nm'] = ''
 | 
						|
    if not (rd.get('args') or rd.get('optargs') or rd.get('strarglens')):
 | 
						|
        rd['noargs'] = 'void'
 | 
						|
 | 
						|
    ar = applyrules(cb_routine_rules, rd)
 | 
						|
    cfuncs.callbacks[rd['name']] = ar['body']
 | 
						|
    if isinstance(ar['need'], str):
 | 
						|
        ar['need'] = [ar['need']]
 | 
						|
 | 
						|
    if 'need' in rd:
 | 
						|
        for t in cfuncs.typedefs.keys():
 | 
						|
            if t in rd['need']:
 | 
						|
                ar['need'].append(t)
 | 
						|
 | 
						|
    cfuncs.typedefs_generated[rd['name'] + '_typedef'] = ar['cbtypedefs']
 | 
						|
    ar['need'].append(rd['name'] + '_typedef')
 | 
						|
    cfuncs.needs[rd['name']] = ar['need']
 | 
						|
 | 
						|
    capi_maps.lcb2_map[rd['name']] = {'maxnofargs': ar['maxnofargs'],
 | 
						|
                                      'nofoptargs': ar['nofoptargs'],
 | 
						|
                                      'docstr': ar['docstr'],
 | 
						|
                                      'latexdocstr': ar['latexdocstr'],
 | 
						|
                                      'argname': rd['argname']
 | 
						|
                                      }
 | 
						|
    outmess('      %s\n' % (ar['docstrshort']))
 | 
						|
    return
 | 
						|
################## Build call-back function #############
 |