diff options
Diffstat (limited to 'pyGHDL/libghdl/__init__.py')
| -rw-r--r-- | pyGHDL/libghdl/__init__.py | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/pyGHDL/libghdl/__init__.py b/pyGHDL/libghdl/__init__.py index 2d7791b51..1b400c5c1 100644 --- a/pyGHDL/libghdl/__init__.py +++ b/pyGHDL/libghdl/__init__.py @@ -7,12 +7,13 @@ # |_| |___/ |___/ # ============================================================================= # Authors: Tristan Gingold +# Patrick Lehmann # # Package package: Python binding and low-level API for shared library 'libghdl'. # # License: # ============================================================================ -# Copyright (C) 2019-2020 Tristan Gingold +# Copyright (C) 2019-2021 Tristan Gingold # # GHDL is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free @@ -32,22 +33,18 @@ # SPDX-License-Identifier: GPL-2.0-or-later # ============================================================================ # -import ctypes +from ctypes import c_char_p, CDLL import os import sys from pathlib import Path from shutil import which -from typing import Tuple from pydecor import export +from pyGHDL.libghdl._types import Iir from pyGHDL.libghdl.version import __version__ -def _to_char_p(arg: bytes) -> Tuple[ctypes.c_char_p, int]: - return ctypes.c_char_p(arg), len(arg) - - def _get_libghdl_name() -> Path: """Get the name of the libghdl library (with version and extension)""" ver = __version__.replace("-", "_").replace(".", "_") @@ -129,22 +126,27 @@ def _get_libghdl_path(): # Failed. raise Exception("Cannot find libghdl {}".format(basename)) +def _initialize(): + # Load the shared library + _libghdl_path = _get_libghdl_path() + # print("Load {}".format(_libghdl_path)) + libghdl = CDLL(str(_libghdl_path)) + + # Initialize it. + # First Ada elaboration (must be the first call) + libghdl.libghdl_init() + # Then 'normal' initialization (set hooks) + libghdl.libghdl__set_hooks_for_analysis() -# Load the shared library -_libghdl_path = _get_libghdl_path() -# print("Load {}".format(_libghdl_path)) -libghdl = ctypes.CDLL(str(_libghdl_path)) + # Set the prefix in order to locate the VHDL libraries. + prefix = str(_libghdl_path.parent.parent).encode("utf-8") + libghdl.libghdl__set_exec_prefix(c_char_p(prefix), len(prefix)) -# Initialize it. -# First Ada elaboration (must be the first call) -libghdl.libghdl_init() -# Then 'normal' initialization (set hooks) -libghdl.libghdl__set_hooks_for_analysis() + return libghdl + +# Initialize shared library when package is loaded +libghdl = _initialize() -# Set the prefix in order to locate the VHDL libraries. -libghdl.libghdl__set_exec_prefix( - *_to_char_p(str(_libghdl_path.parent.parent).encode("utf-8")) -) @export def finalize() -> None: @@ -159,9 +161,10 @@ def initialize() -> None: @export -def set_option(opt: bytes) -> bool: +def set_option(opt: str) -> bool: """Set option :obj:`opt`. Return true, if the option is known and handled.""" - return libghdl.libghdl__set_option(*_to_char_p(opt)) == 0 + opt = opt.encode("utf-8") + return libghdl.libghdl__set_option(c_char_p(opt), len(opt)) == 0 @export @@ -174,18 +177,21 @@ def analyze_init() -> None: """ libghdl.libghdl__analyze_init() + @export def analyze_init_status() -> int: """Initialize the analyzer. Returns 0 in case of success.""" return libghdl.libghdl__analyze_init_status() + @export -def analyze_file(fname: bytes): - """"Analyze a given filename :obj:`fname`.""" - return libghdl.libghdl__analyze_file(*_to_char_p(fname)) +def analyze_file(fname: str) -> Iir: + """Analyze a given filename :obj:`fname`.""" + fname = fname.encode("utf-8") + return libghdl.libghdl__analyze_file(c_char_p(fname), len(fname)) @export -def disp_config(): - """"Display the configured prefixes for libghdl.""" - return libghdl.ghdllocal__disp_config_prefixes() +def disp_config() -> None: + """Display the configured prefixes for libghdl.""" + libghdl.ghdllocal__disp_config_prefixes() |