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Open Source Computer Vision Library
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914 lines
38 KiB
914 lines
38 KiB
############################################################################### |
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# |
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# IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
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# |
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# By downloading, copying, installing or using the software you agree to this license. |
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# If you do not agree to this license, do not download, install, |
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# copy or use the software. |
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# |
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# |
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# License Agreement |
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# For Open Source Computer Vision Library |
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# |
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# Copyright (C) 2013, OpenCV Foundation, all rights reserved. |
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# Third party copyrights are property of their respective owners. |
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# |
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# Redistribution and use in source and binary forms, with or without modification, |
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# are permitted provided that the following conditions are met: |
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# |
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# * Redistribution's of source code must retain the above copyright notice, |
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# this list of conditions and the following disclaimer. |
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# |
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# * Redistribution's in binary form must reproduce the above copyright notice, |
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# this list of conditions and the following disclaimer in the documentation |
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# and/or other materials provided with the distribution. |
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# |
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# * The name of the copyright holders may not be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# This software is provided by the copyright holders and contributors "as is" and |
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# any express or implied warranties, including, but not limited to, the implied |
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# warranties of merchantability and fitness for a particular purpose are disclaimed. |
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# In no event shall the Intel Corporation or contributors be liable for any direct, |
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# indirect, incidental, special, exemplary, or consequential damages |
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# (including, but not limited to, procurement of substitute goods or services; |
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# loss of use, data, or profits; or business interruption) however caused |
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# and on any theory of liability, whether in contract, strict liability, |
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# or tort (including negligence or otherwise) arising in any way out of |
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# the use of this software, even if advised of the possibility of such damage. |
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# |
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############################################################################### |
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# AUTHOR: Sajjad Taheri, University of California, Irvine. sajjadt[at]uci[dot]edu |
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# |
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# LICENSE AGREEMENT |
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# Copyright (c) 2015, 2015 The Regents of the University of California (Regents) |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# 1. Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# 2. Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# 3. Neither the name of the University nor the |
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# names of its contributors may be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' AND ANY |
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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# DISCLAIMED. IN NO EVENT SHALL COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY |
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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############################################################################### |
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from __future__ import print_function |
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import sys, re, os |
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from templates import * |
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if sys.version_info[0] >= 3: |
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from io import StringIO |
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else: |
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from cStringIO import StringIO |
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func_table = {} |
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|
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# Ignore these functions due to Embind limitations for now |
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ignore_list = ['locate', #int& |
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'minEnclosingCircle', #float& |
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'checkRange', |
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'minMaxLoc', #double* |
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'floodFill', # special case, implemented in core_bindings.cpp |
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'phaseCorrelate', |
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'randShuffle', |
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'calibrationMatrixValues', #double& |
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'undistortPoints', # global redefinition |
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'CamShift', #Rect& |
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'meanShift' #Rect& |
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] |
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def makeWhiteList(module_list): |
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wl = {} |
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for m in module_list: |
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for k in m.keys(): |
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if k in wl: |
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wl[k] += m[k] |
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else: |
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wl[k] = m[k] |
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return wl |
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white_list = None |
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|
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# Features to be exported |
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export_enums = False |
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export_consts = True |
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with_wrapped_functions = True |
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with_default_params = True |
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with_vec_from_js_array = True |
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wrapper_namespace = "Wrappers" |
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type_dict = { |
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'InputArray': 'const cv::Mat&', |
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'OutputArray': 'cv::Mat&', |
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'InputOutputArray': 'cv::Mat&', |
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'InputArrayOfArrays': 'const std::vector<cv::Mat>&', |
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'OutputArrayOfArrays': 'std::vector<cv::Mat>&', |
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'String': 'std::string', |
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'const String&':'const std::string&' |
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} |
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def normalize_class_name(name): |
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return re.sub(r"^cv\.", "", name).replace(".", "_") |
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class ClassProp(object): |
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def __init__(self, decl): |
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self.tp = decl[0].replace("*", "_ptr").strip() |
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self.name = decl[1] |
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self.readonly = True |
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if "/RW" in decl[3]: |
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self.readonly = False |
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class ClassInfo(object): |
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def __init__(self, name, decl=None): |
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self.cname = name.replace(".", "::") |
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self.name = self.wname = normalize_class_name(name) |
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self.ismap = False |
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self.issimple = False |
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self.isalgorithm = False |
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self.methods = {} |
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self.ext_constructors = {} |
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self.props = [] |
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self.consts = {} |
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customname = False |
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self.jsfuncs = {} |
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self.constructor_arg_num = set() |
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self.has_smart_ptr = False |
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if decl: |
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self.bases = decl[1].split()[1:] |
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if len(self.bases) > 1: |
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self.bases = [self.bases[0].strip(",")] |
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# return sys.exit(-1) |
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if self.bases and self.bases[0].startswith("cv::"): |
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self.bases[0] = self.bases[0][4:] |
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if self.bases and self.bases[0] == "Algorithm": |
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self.isalgorithm = True |
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for m in decl[2]: |
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if m.startswith("="): |
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self.wname = m[1:] |
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customname = True |
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elif m == "/Map": |
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self.ismap = True |
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elif m == "/Simple": |
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self.issimple = True |
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self.props = [ClassProp(p) for p in decl[3]] |
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if not customname and self.wname.startswith("Cv"): |
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self.wname = self.wname[2:] |
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def handle_ptr(tp): |
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if tp.startswith('Ptr_'): |
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tp = 'Ptr<' + "::".join(tp.split('_')[1:]) + '>' |
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return tp |
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def handle_vector(tp): |
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if tp.startswith('vector_'): |
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tp = handle_vector(tp[tp.find('_') + 1:]) |
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tp = 'std::vector<' + "::".join(tp.split('_')) + '>' |
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return tp |
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class ArgInfo(object): |
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def __init__(self, arg_tuple): |
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self.tp = handle_ptr(arg_tuple[0]).strip() |
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self.name = arg_tuple[1] |
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self.defval = arg_tuple[2] |
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self.isarray = False |
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self.arraylen = 0 |
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self.arraycvt = None |
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self.inputarg = True |
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self.outputarg = False |
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self.returnarg = False |
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self.const = False |
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self.reference = False |
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for m in arg_tuple[3]: |
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if m == "/O": |
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self.inputarg = False |
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self.outputarg = True |
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self.returnarg = True |
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elif m == "/IO": |
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self.inputarg = True |
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self.outputarg = True |
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self.returnarg = True |
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elif m.startswith("/A"): |
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self.isarray = True |
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self.arraylen = m[2:].strip() |
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elif m.startswith("/CA"): |
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self.isarray = True |
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self.arraycvt = m[2:].strip() |
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elif m == "/C": |
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self.const = True |
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elif m == "/Ref": |
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self.reference = True |
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if self.tp == "Mat": |
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if self.outputarg: |
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self.tp = "cv::Mat&" |
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elif self.inputarg: |
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self.tp = "const cv::Mat&" |
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if self.tp == "vector_Mat": |
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if self.outputarg: |
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self.tp = "std::vector<cv::Mat>&" |
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elif self.inputarg: |
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self.tp = "const std::vector<cv::Mat>&" |
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self.tp = handle_vector(self.tp).strip() |
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if self.const: |
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self.tp = "const " + self.tp |
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if self.reference: |
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self.tp = self.tp + "&" |
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self.py_inputarg = False |
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self.py_outputarg = False |
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class FuncVariant(object): |
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def __init__(self, class_name, name, decl, is_constructor, is_class_method, is_const, is_virtual, is_pure_virtual, ref_return, const_return): |
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self.class_name = class_name |
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self.name = self.wname = name |
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self.is_constructor = is_constructor |
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self.is_class_method = is_class_method |
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self.is_const = is_const |
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self.is_virtual = is_virtual |
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self.is_pure_virtual = is_pure_virtual |
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self.refret = ref_return |
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self.constret = const_return |
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self.rettype = handle_vector(handle_ptr(decl[1]).strip()).strip() |
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if self.rettype == "void": |
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self.rettype = "" |
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self.args = [] |
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self.array_counters = {} |
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for a in decl[3]: |
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ainfo = ArgInfo(a) |
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if ainfo.isarray and not ainfo.arraycvt: |
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c = ainfo.arraylen |
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c_arrlist = self.array_counters.get(c, []) |
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if c_arrlist: |
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c_arrlist.append(ainfo.name) |
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else: |
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self.array_counters[c] = [ainfo.name] |
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self.args.append(ainfo) |
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class FuncInfo(object): |
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def __init__(self, class_name, name, cname, namespace, isconstructor): |
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self.class_name = class_name |
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self.name = name |
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self.cname = cname |
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self.namespace = namespace |
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self.variants = [] |
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self.is_constructor = isconstructor |
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def add_variant(self, variant): |
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self.variants.append(variant) |
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class Namespace(object): |
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def __init__(self): |
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self.funcs = {} |
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self.enums = {} |
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self.consts = {} |
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class JSWrapperGenerator(object): |
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def __init__(self): |
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self.bindings = [] |
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self.wrapper_funcs = [] |
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self.classes = {} |
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self.namespaces = {} |
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self.enums = {} |
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self.parser = hdr_parser.CppHeaderParser() |
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self.class_idx = 0 |
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def add_class(self, stype, name, decl): |
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class_info = ClassInfo(name, decl) |
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class_info.decl_idx = self.class_idx |
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self.class_idx += 1 |
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if class_info.name in self.classes: |
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print("Generator error: class %s (cpp_name=%s) already exists" \ |
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% (class_info.name, class_info.cname)) |
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sys.exit(-1) |
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self.classes[class_info.name] = class_info |
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if class_info.bases: |
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chunks = class_info.bases[0].split('::') |
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base = '_'.join(chunks) |
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while base not in self.classes and len(chunks) > 1: |
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del chunks[-2] |
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base = '_'.join(chunks) |
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if base not in self.classes: |
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print("Generator error: unable to resolve base %s for %s" |
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% (class_info.bases[0], class_info.name)) |
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sys.exit(-1) |
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else: |
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class_info.bases[0] = "::".join(chunks) |
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class_info.isalgorithm |= self.classes[base].isalgorithm |
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def split_decl_name(self, name): |
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chunks = name.split('.') |
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namespace = chunks[:-1] |
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classes = [] |
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while namespace and '.'.join(namespace) not in self.parser.namespaces: |
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classes.insert(0, namespace.pop()) |
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return namespace, classes, chunks[-1] |
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def add_enum(self, decl): |
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name = decl[0].rsplit(" ", 1)[1] |
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namespace, classes, val = self.split_decl_name(name) |
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namespace = '.'.join(namespace) |
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ns = self.namespaces.setdefault(namespace, Namespace()) |
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if len(name) == 0: name = "<unnamed>" |
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if name.endswith("<unnamed>"): |
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i = 0 |
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while True: |
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i += 1 |
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candidate_name = name.replace("<unnamed>", "unnamed_%u" % i) |
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if candidate_name not in ns.enums: |
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name = candidate_name |
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break; |
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cname = name.replace('.', '::') |
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type_dict[normalize_class_name(name)] = cname |
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if name in ns.enums: |
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print("Generator warning: enum %s (cname=%s) already exists" \ |
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% (name, cname)) |
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# sys.exit(-1) |
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else: |
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ns.enums[name] = [] |
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for item in decl[3]: |
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ns.enums[name].append(item) |
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const_decls = decl[3] |
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for decl in const_decls: |
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name = decl[0] |
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self.add_const(name.replace("const ", "").strip(), decl) |
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def add_const(self, name, decl): |
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cname = name.replace('.','::') |
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namespace, classes, name = self.split_decl_name(name) |
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namespace = '.'.join(namespace) |
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name = '_'.join(classes+[name]) |
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ns = self.namespaces.setdefault(namespace, Namespace()) |
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if name in ns.consts: |
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print("Generator error: constant %s (cname=%s) already exists" \ |
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% (name, cname)) |
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sys.exit(-1) |
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ns.consts[name] = cname |
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def add_func(self, decl): |
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namespace, classes, barename = self.split_decl_name(decl[0]) |
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cpp_name = "::".join(namespace + classes + [barename]) |
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name = barename |
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class_name = '' |
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bare_class_name = '' |
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if classes: |
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class_name = normalize_class_name('.'.join(namespace + classes)) |
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bare_class_name = classes[-1] |
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namespace = '.'.join(namespace) |
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is_constructor = name == bare_class_name |
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is_class_method = False |
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is_const_method = False |
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is_virtual_method = False |
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is_pure_virtual_method = False |
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const_return = False |
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ref_return = False |
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for m in decl[2]: |
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if m == "/S": |
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is_class_method = True |
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elif m == "/C": |
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is_const_method = True |
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elif m == "/V": |
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is_virtual_method = True |
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elif m == "/PV": |
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is_pure_virtual_method = True |
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elif m == "/Ref": |
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ref_return = True |
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elif m == "/CRet": |
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const_return = True |
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elif m.startswith("="): |
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name = m[1:] |
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if class_name: |
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cpp_name = barename |
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func_map = self.classes[class_name].methods |
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else: |
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func_map = self.namespaces.setdefault(namespace, Namespace()).funcs |
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func = func_map.setdefault(name, FuncInfo(class_name, name, cpp_name, namespace, is_constructor)) |
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variant = FuncVariant(class_name, name, decl, is_constructor, is_class_method, is_const_method, |
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is_virtual_method, is_pure_virtual_method, ref_return, const_return) |
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func.add_variant(variant) |
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def save(self, path, name, buf): |
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f = open(path + "/" + name, "wt") |
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f.write(buf.getvalue()) |
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f.close() |
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def gen_function_binding_with_wrapper(self, func, class_info): |
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binding_text = None |
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wrapper_func_text = None |
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bindings = [] |
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wrappers = [] |
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for index, variant in enumerate(func.variants): |
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factory = False |
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if class_info and 'Ptr<' in variant.rettype: |
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factory = True |
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base_class_name = variant.rettype |
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base_class_name = base_class_name.replace("Ptr<","").replace(">","").strip() |
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if base_class_name in self.classes: |
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self.classes[base_class_name].has_smart_ptr = True |
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else: |
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print(base_class_name, ' not found in classes for registering smart pointer using ', class_info.name, 'instead') |
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self.classes[class_info.name].has_smart_ptr = True |
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def_args = [] |
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has_def_param = False |
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# Return type |
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ret_type = 'void' if variant.rettype.strip() == '' else variant.rettype |
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if ret_type.startswith('Ptr'): #smart pointer |
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ptr_type = ret_type.replace('Ptr<', '').replace('>', '') |
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if ptr_type in type_dict: |
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ret_type = type_dict[ptr_type] |
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for key in type_dict: |
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if key in ret_type: |
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ret_type = ret_type.replace(key, type_dict[key]) |
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|
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arg_types = [] |
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unwrapped_arg_types = [] |
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for arg in variant.args: |
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arg_type = None |
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if arg.tp in type_dict: |
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arg_type = type_dict[arg.tp] |
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else: |
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arg_type = arg.tp |
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# Add default value |
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if with_default_params and arg.defval != '': |
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def_args.append(arg.defval); |
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arg_types.append(arg_type) |
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unwrapped_arg_types.append(arg_type) |
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|
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# Function attribure |
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func_attribs = '' |
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if '*' in ''.join(arg_types): |
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func_attribs += ', allow_raw_pointers()' |
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|
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if variant.is_pure_virtual: |
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func_attribs += ', pure_virtual()' |
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|
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|
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# Wrapper function |
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wrap_func_name = (func.class_name+"_" if class_info != None else "") + func.name.split("::")[-1] + "_wrapper" |
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js_func_name = func.name |
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|
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# TODO: Name functions based wrap directives or based on arguments list |
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if index > 0: |
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wrap_func_name += str(index) |
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js_func_name += str(index) |
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c_func_name = 'Wrappers::' + wrap_func_name |
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|
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# Binding template- |
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raw_arg_names = ['arg' + str(i + 1) for i in range(0, len(variant.args))] |
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arg_names = [] |
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w_signature = [] |
|
casted_arg_types = [] |
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for arg_type, arg_name in zip(arg_types, raw_arg_names): |
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casted_arg_name = arg_name |
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if with_vec_from_js_array: |
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# Only support const vector reference as input parameter |
|
match = re.search(r'const std::vector<(.*)>&', arg_type) |
|
if match: |
|
type_in_vect = match.group(1) |
|
if type_in_vect in ['int', 'float', 'double', 'char', 'uchar', 'String', 'std::string']: |
|
casted_arg_name = 'emscripten::vecFromJSArray<' + type_in_vect + '>(' + arg_name + ')' |
|
arg_type = re.sub(r'std::vector<(.*)>', 'emscripten::val', arg_type) |
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w_signature.append(arg_type + ' ' + arg_name) |
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arg_names.append(casted_arg_name) |
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casted_arg_types.append(arg_type) |
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|
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arg_types = casted_arg_types |
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|
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# Argument list, signature |
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arg_names_casted = [c if a == b else c + '.as<' + a + '>()' for a, b, c in |
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zip(unwrapped_arg_types, arg_types, arg_names)] |
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|
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# Add self object to the parameters |
|
if class_info and not factory: |
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arg_types = [class_info.cname + '&'] + arg_types |
|
w_signature = [class_info.cname + '& arg0 '] + w_signature |
|
|
|
for j in range(0, len(def_args) + 1): |
|
postfix = '' |
|
if j > 0: |
|
postfix = '_' + str(j); |
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|
|
################################### |
|
# Wrapper |
|
if factory: # TODO or static |
|
name = class_info.cname+'::' if variant.class_name else "" |
|
cpp_call_text = static_class_call_template.substitute(scope=name, |
|
func=func.cname, |
|
args=', '.join(arg_names[:len(arg_names)-j])) |
|
elif class_info: |
|
cpp_call_text = class_call_template.substitute(obj='arg0', |
|
func=func.cname, |
|
args=', '.join(arg_names[:len(arg_names)-j])) |
|
else: |
|
cpp_call_text = call_template.substitute(func=func.cname, |
|
args=', '.join(arg_names[:len(arg_names)-j])) |
|
|
|
|
|
wrapper_func_text = wrapper_function_template.substitute(ret_val=ret_type, |
|
func=wrap_func_name+postfix, |
|
signature=', '.join(w_signature[:len(w_signature)-j]), |
|
cpp_call=cpp_call_text, |
|
const='' if variant.is_const else '') |
|
|
|
################################### |
|
# Binding |
|
if class_info: |
|
if factory: |
|
# print("Factory Function: ", c_func_name, len(variant.args) - j, class_info.name) |
|
if variant.is_pure_virtual: |
|
# FIXME: workaround for pure virtual in constructor |
|
# e.g. DescriptorMatcher_clone_wrapper |
|
continue |
|
# consider the default parameter variants |
|
args_num = len(variant.args) - j |
|
if args_num in class_info.constructor_arg_num: |
|
# FIXME: workaournd for constructor overload with same args number |
|
# e.g. DescriptorMatcher |
|
continue |
|
class_info.constructor_arg_num.add(args_num) |
|
binding_text = ctr_template.substitute(const='const' if variant.is_const else '', |
|
cpp_name=c_func_name+postfix, |
|
ret=ret_type, |
|
args=','.join(arg_types[:len(arg_types)-j]), |
|
optional=func_attribs) |
|
else: |
|
binding_template = overload_class_static_function_template if variant.is_class_method else \ |
|
overload_class_function_template |
|
binding_text = binding_template.substitute(js_name=js_func_name, |
|
const='' if variant.is_const else '', |
|
cpp_name=c_func_name+postfix, |
|
ret=ret_type, |
|
args=','.join(arg_types[:len(arg_types)-j]), |
|
optional=func_attribs) |
|
else: |
|
binding_text = overload_function_template.substitute(js_name=js_func_name, |
|
cpp_name=c_func_name+postfix, |
|
const='const' if variant.is_const else '', |
|
ret=ret_type, |
|
args=', '.join(arg_types[:len(arg_types)-j]), |
|
optional=func_attribs) |
|
|
|
bindings.append(binding_text) |
|
wrappers.append(wrapper_func_text) |
|
|
|
return [bindings, wrappers] |
|
|
|
|
|
def gen_function_binding(self, func, class_info): |
|
|
|
if not class_info == None : |
|
func_name = class_info.cname+'::'+func.cname |
|
else : |
|
func_name = func.cname |
|
|
|
binding_text = None |
|
binding_text_list = [] |
|
|
|
for index, variant in enumerate(func.variants): |
|
factory = False |
|
#TODO if variant.is_class_method and variant.rettype == ('Ptr<' + class_info.name + '>'): |
|
if (not class_info == None) and variant.rettype == ('Ptr<' + class_info.name + '>') or (func.name.startswith("create") and variant.rettype): |
|
factory = True |
|
base_class_name = variant.rettype |
|
base_class_name = base_class_name.replace("Ptr<","").replace(">","").strip() |
|
if base_class_name in self.classes: |
|
self.classes[base_class_name].has_smart_ptr = True |
|
else: |
|
print(base_class_name, ' not found in classes for registering smart pointer using ', class_info.name, 'instead') |
|
self.classes[class_info.name].has_smart_ptr = True |
|
|
|
|
|
# Return type |
|
ret_type = 'void' if variant.rettype.strip() == '' else variant.rettype |
|
|
|
ret_type = ret_type.strip() |
|
|
|
if ret_type.startswith('Ptr'): #smart pointer |
|
ptr_type = ret_type.replace('Ptr<', '').replace('>', '') |
|
if ptr_type in type_dict: |
|
ret_type = type_dict[ptr_type] |
|
for key in type_dict: |
|
if key in ret_type: |
|
# Replace types. Instead of ret_type.replace we use regular |
|
# expression to exclude false matches. |
|
# See https://github.com/opencv/opencv/issues/15514 |
|
ret_type = re.sub('(^|[^\w])' + key + '($|[^\w])', type_dict[key], ret_type) |
|
if variant.constret and ret_type.startswith('const') == False: |
|
ret_type = 'const ' + ret_type |
|
if variant.refret and ret_type.endswith('&') == False: |
|
ret_type += '&' |
|
|
|
arg_types = [] |
|
orig_arg_types = [] |
|
def_args = [] |
|
for arg in variant.args: |
|
if arg.tp in type_dict: |
|
arg_type = type_dict[arg.tp] |
|
else: |
|
arg_type = arg.tp |
|
|
|
#if arg.outputarg: |
|
# arg_type += '&' |
|
orig_arg_types.append(arg_type) |
|
if with_default_params and arg.defval != '': |
|
def_args.append(arg.defval) |
|
arg_types.append(orig_arg_types[-1]) |
|
|
|
# Function attribure |
|
func_attribs = '' |
|
if '*' in ''.join(orig_arg_types): |
|
func_attribs += ', allow_raw_pointers()' |
|
|
|
if variant.is_pure_virtual: |
|
func_attribs += ', pure_virtual()' |
|
|
|
#TODO better naming |
|
#if variant.name in self.jsfunctions: |
|
#else |
|
js_func_name = variant.name |
|
|
|
|
|
c_func_name = func.cname if (factory and variant.is_class_method == False) else func_name |
|
|
|
|
|
################################### Binding |
|
for j in range(0, len(def_args) + 1): |
|
postfix = '' |
|
if j > 0: |
|
postfix = '_' + str(j); |
|
if factory: |
|
binding_text = ctr_template.substitute(const='const' if variant.is_const else '', |
|
cpp_name=c_func_name+postfix, |
|
ret=ret_type, |
|
args=','.join(arg_types[:len(arg_types)-j]), |
|
optional=func_attribs) |
|
else: |
|
binding_template = overload_class_static_function_template if variant.is_class_method else \ |
|
overload_function_template if class_info == None else overload_class_function_template |
|
binding_text = binding_template.substitute(js_name=js_func_name, |
|
const='const' if variant.is_const else '', |
|
cpp_name=c_func_name+postfix, |
|
ret=ret_type, |
|
args=','.join(arg_types[:len(arg_types)-1]), |
|
optional=func_attribs) |
|
|
|
binding_text_list.append(binding_text) |
|
|
|
return binding_text_list |
|
|
|
def print_decls(self, decls): |
|
""" |
|
Prints the list of declarations, retrieived by the parse() method |
|
""" |
|
for d in decls: |
|
print(d[0], d[1], ";".join(d[2])) |
|
for a in d[3]: |
|
print(" ", a[0], a[1], a[2], end="") |
|
if a[3]: |
|
print("; ".join(a[3])) |
|
else: |
|
print() |
|
|
|
def gen(self, dst_file, src_files, core_bindings): |
|
# step 1: scan the headers and extract classes, enums and functions |
|
headers = [] |
|
for hdr in src_files: |
|
decls = self.parser.parse(hdr) |
|
# print(hdr); |
|
# self.print_decls(decls); |
|
if len(decls) == 0: |
|
continue |
|
headers.append(hdr[hdr.rindex('opencv2/'):]) |
|
for decl in decls: |
|
name = decl[0] |
|
type = name[:name.find(" ")] |
|
if type == "struct" or type == "class": # class/structure case |
|
name = name[name.find(" ") + 1:].strip() |
|
self.add_class(type, name, decl) |
|
elif name.startswith("enum"): # enumerations |
|
self.add_enum(decl) |
|
elif name.startswith("const"): |
|
# constant |
|
self.add_const(name.replace("const ", "").strip(), decl) |
|
else: # class/global function |
|
self.add_func(decl) |
|
|
|
# step 2: generate bindings |
|
# Global functions |
|
for ns_name, ns in sorted(self.namespaces.items()): |
|
if ns_name.split('.')[0] != 'cv': |
|
continue |
|
for name, func in sorted(ns.funcs.items()): |
|
if name in ignore_list: |
|
continue |
|
if not name in white_list['']: |
|
continue |
|
|
|
ext_cnst = False |
|
# Check if the method is an external constructor |
|
for variant in func.variants: |
|
if "Ptr<" in variant.rettype: |
|
|
|
# Register the smart pointer |
|
base_class_name = variant.rettype |
|
base_class_name = base_class_name.replace("Ptr<","").replace(">","").strip() |
|
self.classes[base_class_name].has_smart_ptr = True |
|
|
|
# Adds the external constructor |
|
class_name = func.name.replace("create", "") |
|
if not class_name in self.classes: |
|
self.classes[base_class_name].methods[func.cname] = func |
|
else: |
|
self.classes[class_name].methods[func.cname] = func |
|
ext_cnst = True |
|
if ext_cnst: |
|
continue |
|
|
|
if with_wrapped_functions: |
|
binding, wrapper = self.gen_function_binding_with_wrapper(func, class_info=None) |
|
self.bindings += binding |
|
self.wrapper_funcs += wrapper |
|
else: |
|
binding = self.gen_function_binding(func, class_info=None) |
|
self.bindings+=binding |
|
|
|
# generate code for the classes and their methods |
|
for name, class_info in sorted(self.classes.items()): |
|
class_bindings = [] |
|
if not name in white_list: |
|
continue |
|
|
|
# Generate bindings for methods |
|
for method_name, method in sorted(class_info.methods.items()): |
|
if method.cname in ignore_list: |
|
continue |
|
if not method.name in white_list[method.class_name]: |
|
continue |
|
if method.is_constructor: |
|
for variant in method.variants: |
|
args = [] |
|
for arg in variant.args: |
|
arg_type = type_dict[arg.tp] if arg.tp in type_dict else arg.tp |
|
args.append(arg_type) |
|
# print('Constructor: ', class_info.name, len(variant.args)) |
|
args_num = len(variant.args) |
|
if args_num in class_info.constructor_arg_num: |
|
continue |
|
class_info.constructor_arg_num.add(args_num) |
|
class_bindings.append(constructor_template.substitute(signature=', '.join(args))) |
|
else: |
|
if with_wrapped_functions and (len(method.variants) > 1 or len(method.variants[0].args)>0 or "String" in method.variants[0].rettype): |
|
binding, wrapper = self.gen_function_binding_with_wrapper(method, class_info=class_info) |
|
self.wrapper_funcs = self.wrapper_funcs + wrapper |
|
class_bindings = class_bindings + binding |
|
else: |
|
binding = self.gen_function_binding(method, class_info=class_info) |
|
class_bindings = class_bindings + binding |
|
|
|
# Regiseter Smart pointer |
|
if class_info.has_smart_ptr: |
|
class_bindings.append(smart_ptr_reg_template.substitute(cname=class_info.cname, name=class_info.name)) |
|
|
|
# Attach external constructors |
|
# for method_name, method in class_info.ext_constructors.items(): |
|
# print("ext constructor", method_name) |
|
#if class_info.ext_constructors: |
|
|
|
|
|
|
|
# Generate bindings for properties |
|
for property in class_info.props: |
|
_class_property = class_property_enum_template if property.tp in type_dict else class_property_template |
|
class_bindings.append(_class_property.substitute(js_name=property.name, cpp_name='::'.join( |
|
[class_info.cname, property.name]))) |
|
|
|
dv = '' |
|
base = Template("""base<$base>""") |
|
|
|
assert len(class_info.bases) <= 1 , "multiple inheritance not supported" |
|
|
|
if len(class_info.bases) == 1: |
|
dv = "," + base.substitute(base=', '.join(class_info.bases)) |
|
|
|
self.bindings.append(class_template.substitute(cpp_name=class_info.cname, |
|
js_name=name, |
|
class_templates=''.join(class_bindings), |
|
derivation=dv)) |
|
|
|
if export_enums: |
|
# step 4: generate bindings for enums |
|
# TODO anonymous enums are ignored for now. |
|
for ns_name, ns in sorted(self.namespaces.items()): |
|
if ns_name.split('.')[0] != 'cv': |
|
continue |
|
for name, enum in sorted(ns.enums.items()): |
|
if not name.endswith('.anonymous'): |
|
name = name.replace("cv.", "") |
|
enum_values = [] |
|
for enum_val in enum: |
|
value = enum_val[0][enum_val[0].rfind(".")+1:] |
|
enum_values.append(enum_item_template.substitute(val=value, |
|
cpp_val=name.replace('.', '::')+'::'+value)) |
|
|
|
self.bindings.append(enum_template.substitute(cpp_name=name.replace(".", "::"), |
|
js_name=name.replace(".", "_"), |
|
enum_items=''.join(enum_values))) |
|
else: |
|
print(name) |
|
#TODO: represent anonymous enums with constants |
|
|
|
if export_consts: |
|
# step 5: generate bindings for consts |
|
for ns_name, ns in sorted(self.namespaces.items()): |
|
if ns_name.split('.')[0] != 'cv': |
|
continue |
|
for name, const in sorted(ns.consts.items()): |
|
# print("Gen consts: ", name, const) |
|
self.bindings.append(const_template.substitute(js_name=name, value=const)) |
|
|
|
with open(core_bindings) as f: |
|
ret = f.read() |
|
|
|
header_includes = '\n'.join(['#include "{}"'.format(hdr) for hdr in headers]) |
|
ret = ret.replace('@INCLUDES@', header_includes) |
|
|
|
defis = '\n'.join(self.wrapper_funcs) |
|
ret += wrapper_codes_template.substitute(ns=wrapper_namespace, defs=defis) |
|
ret += emscripten_binding_template.substitute(binding_name='testBinding', bindings=''.join(self.bindings)) |
|
|
|
|
|
# print(ret) |
|
text_file = open(dst_file, "w") |
|
text_file.write(ret) |
|
text_file.close() |
|
|
|
|
|
if __name__ == "__main__": |
|
if len(sys.argv) < 5: |
|
print("Usage:\n", \ |
|
os.path.basename(sys.argv[0]), \ |
|
"<full path to hdr_parser.py> <bindings.cpp> <headers.txt> <core_bindings.cpp> <opencv_js.config.py>") |
|
print("Current args are: ", ", ".join(["'"+a+"'" for a in sys.argv])) |
|
exit(0) |
|
|
|
dstdir = "." |
|
hdr_parser_path = os.path.abspath(sys.argv[1]) |
|
if hdr_parser_path.endswith(".py"): |
|
hdr_parser_path = os.path.dirname(hdr_parser_path) |
|
sys.path.append(hdr_parser_path) |
|
import hdr_parser |
|
|
|
bindingsCpp = sys.argv[2] |
|
headers = open(sys.argv[3], 'r').read().split(';') |
|
coreBindings = sys.argv[4] |
|
whiteListFile = sys.argv[5] |
|
exec(open(whiteListFile).read()) |
|
assert(white_list) |
|
|
|
generator = JSWrapperGenerator() |
|
generator.gen(bindingsCpp, headers, coreBindings)
|
|
|