946 lines
39 KiB
Python
946 lines
39 KiB
Python
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###############################################################################
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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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# 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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namespace_prefix_override = {
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'dnn' : '',
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'aruco' : '',
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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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'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.name_id = '_'.join([namespace] + ([class_name] if class_name else []) + [name]) # unique id for dict key
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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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|
||
|
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def add_variant(self, variant):
|
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self.variants.append(variant)
|
||
|
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|
||
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|
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|
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class Namespace(object):
|
||
|
|
def __init__(self):
|
||
|
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self.funcs = {}
|
||
|
|
self.enums = {}
|
||
|
|
self.consts = {}
|
||
|
|
|
||
|
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|
||
|
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class JSWrapperGenerator(object):
|
||
|
|
def __init__(self):
|
||
|
|
|
||
|
|
self.bindings = []
|
||
|
|
self.wrapper_funcs = []
|
||
|
|
|
||
|
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self.classes = {} # FIXIT 'classes' should belong to 'namespaces'
|
||
|
|
self.namespaces = {}
|
||
|
|
self.enums = {} # FIXIT 'enums' should belong to 'namespaces'
|
||
|
|
|
||
|
|
self.parser = hdr_parser.CppHeaderParser()
|
||
|
|
self.class_idx = 0
|
||
|
|
|
||
|
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def add_class(self, stype, name, decl):
|
||
|
|
class_info = ClassInfo(name, decl)
|
||
|
|
class_info.decl_idx = self.class_idx
|
||
|
|
self.class_idx += 1
|
||
|
|
|
||
|
|
if class_info.name in self.classes:
|
||
|
|
print("Generator error: class %s (cpp_name=%s) already exists" \
|
||
|
|
% (class_info.name, class_info.cname))
|
||
|
|
sys.exit(-1)
|
||
|
|
self.classes[class_info.name] = class_info
|
||
|
|
|
||
|
|
if class_info.bases:
|
||
|
|
chunks = class_info.bases[0].split('::')
|
||
|
|
base = '_'.join(chunks)
|
||
|
|
while base not in self.classes and len(chunks) > 1:
|
||
|
|
del chunks[-2]
|
||
|
|
base = '_'.join(chunks)
|
||
|
|
if base not in self.classes:
|
||
|
|
print("Generator error: unable to resolve base %s for %s"
|
||
|
|
% (class_info.bases[0], class_info.name))
|
||
|
|
sys.exit(-1)
|
||
|
|
else:
|
||
|
|
class_info.bases[0] = "::".join(chunks)
|
||
|
|
class_info.isalgorithm |= self.classes[base].isalgorithm
|
||
|
|
|
||
|
|
def split_decl_name(self, name):
|
||
|
|
chunks = name.split('.')
|
||
|
|
namespace = chunks[:-1]
|
||
|
|
classes = []
|
||
|
|
while namespace and '.'.join(namespace) not in self.parser.namespaces:
|
||
|
|
classes.insert(0, namespace.pop())
|
||
|
|
return namespace, classes, chunks[-1]
|
||
|
|
|
||
|
|
def add_enum(self, decl):
|
||
|
|
name = decl[0].rsplit(" ", 1)[1]
|
||
|
|
namespace, classes, val = self.split_decl_name(name)
|
||
|
|
namespace = '.'.join(namespace)
|
||
|
|
ns = self.namespaces.setdefault(namespace, Namespace())
|
||
|
|
if len(name) == 0: name = "<unnamed>"
|
||
|
|
if name.endswith("<unnamed>"):
|
||
|
|
i = 0
|
||
|
|
while True:
|
||
|
|
i += 1
|
||
|
|
candidate_name = name.replace("<unnamed>", "unnamed_%u" % i)
|
||
|
|
if candidate_name not in ns.enums:
|
||
|
|
name = candidate_name
|
||
|
|
break;
|
||
|
|
cname = name.replace('.', '::')
|
||
|
|
type_dict[normalize_class_name(name)] = cname
|
||
|
|
if name in ns.enums:
|
||
|
|
print("Generator warning: enum %s (cname=%s) already exists" \
|
||
|
|
% (name, cname))
|
||
|
|
# sys.exit(-1)
|
||
|
|
else:
|
||
|
|
ns.enums[name] = []
|
||
|
|
for item in decl[3]:
|
||
|
|
ns.enums[name].append(item)
|
||
|
|
|
||
|
|
const_decls = decl[3]
|
||
|
|
|
||
|
|
for decl in const_decls:
|
||
|
|
name = decl[0]
|
||
|
|
self.add_const(name.replace("const ", "").strip(), decl)
|
||
|
|
|
||
|
|
def add_const(self, name, decl):
|
||
|
|
cname = name.replace('.','::')
|
||
|
|
namespace, classes, name = self.split_decl_name(name)
|
||
|
|
namespace = '.'.join(namespace)
|
||
|
|
name = '_'.join(classes+[name])
|
||
|
|
ns = self.namespaces.setdefault(namespace, Namespace())
|
||
|
|
if name in ns.consts:
|
||
|
|
print("Generator error: constant %s (cname=%s) already exists" \
|
||
|
|
% (name, cname))
|
||
|
|
sys.exit(-1)
|
||
|
|
ns.consts[name] = cname
|
||
|
|
|
||
|
|
def add_func(self, decl):
|
||
|
|
namespace, classes, barename = self.split_decl_name(decl[0])
|
||
|
|
cpp_name = "::".join(namespace + classes + [barename])
|
||
|
|
name = barename
|
||
|
|
class_name = ''
|
||
|
|
bare_class_name = ''
|
||
|
|
if classes:
|
||
|
|
class_name = normalize_class_name('.'.join(namespace + classes))
|
||
|
|
bare_class_name = classes[-1]
|
||
|
|
namespace = '.'.join(namespace)
|
||
|
|
|
||
|
|
is_constructor = name == bare_class_name
|
||
|
|
is_class_method = False
|
||
|
|
is_const_method = False
|
||
|
|
is_virtual_method = False
|
||
|
|
is_pure_virtual_method = False
|
||
|
|
const_return = False
|
||
|
|
ref_return = False
|
||
|
|
|
||
|
|
for m in decl[2]:
|
||
|
|
if m == "/S":
|
||
|
|
is_class_method = True
|
||
|
|
elif m == "/C":
|
||
|
|
is_const_method = True
|
||
|
|
elif m == "/V":
|
||
|
|
is_virtual_method = True
|
||
|
|
elif m == "/PV":
|
||
|
|
is_pure_virtual_method = True
|
||
|
|
elif m == "/Ref":
|
||
|
|
ref_return = True
|
||
|
|
elif m == "/CRet":
|
||
|
|
const_return = True
|
||
|
|
elif m.startswith("="):
|
||
|
|
name = m[1:]
|
||
|
|
|
||
|
|
if class_name:
|
||
|
|
cpp_name = barename
|
||
|
|
func_map = self.classes[class_name].methods
|
||
|
|
else:
|
||
|
|
func_map = self.namespaces.setdefault(namespace, Namespace()).funcs
|
||
|
|
|
||
|
|
fi = FuncInfo(class_name, name, cpp_name, namespace, is_constructor)
|
||
|
|
func = func_map.setdefault(fi.name_id, fi)
|
||
|
|
|
||
|
|
variant = FuncVariant(class_name, name, decl, is_constructor, is_class_method, is_const_method,
|
||
|
|
is_virtual_method, is_pure_virtual_method, ref_return, const_return)
|
||
|
|
func.add_variant(variant)
|
||
|
|
|
||
|
|
def save(self, path, name, buf):
|
||
|
|
f = open(path + "/" + name, "wt")
|
||
|
|
f.write(buf.getvalue())
|
||
|
|
f.close()
|
||
|
|
|
||
|
|
def gen_function_binding_with_wrapper(self, func, ns_name, class_info):
|
||
|
|
|
||
|
|
binding_text = None
|
||
|
|
wrapper_func_text = None
|
||
|
|
|
||
|
|
bindings = []
|
||
|
|
wrappers = []
|
||
|
|
|
||
|
|
for index, variant in enumerate(func.variants):
|
||
|
|
|
||
|
|
factory = False
|
||
|
|
if class_info and 'Ptr<' in 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
|
||
|
|
|
||
|
|
def_args = []
|
||
|
|
has_def_param = False
|
||
|
|
|
||
|
|
# Return type
|
||
|
|
ret_type = 'void' if variant.rettype.strip() == '' else variant.rettype
|
||
|
|
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:
|
||
|
|
ret_type = re.sub('(^|[^\w])' + key + '($|[^\w])', type_dict[key], ret_type)
|
||
|
|
arg_types = []
|
||
|
|
unwrapped_arg_types = []
|
||
|
|
for arg in variant.args:
|
||
|
|
arg_type = None
|
||
|
|
if arg.tp in type_dict:
|
||
|
|
arg_type = type_dict[arg.tp]
|
||
|
|
else:
|
||
|
|
arg_type = arg.tp
|
||
|
|
# Add default value
|
||
|
|
if with_default_params and arg.defval != '':
|
||
|
|
def_args.append(arg.defval);
|
||
|
|
arg_types.append(arg_type)
|
||
|
|
unwrapped_arg_types.append(arg_type)
|
||
|
|
|
||
|
|
# Function attribure
|
||
|
|
func_attribs = ''
|
||
|
|
if '*' in ''.join(arg_types):
|
||
|
|
func_attribs += ', allow_raw_pointers()'
|
||
|
|
|
||
|
|
if variant.is_pure_virtual:
|
||
|
|
func_attribs += ', pure_virtual()'
|
||
|
|
|
||
|
|
|
||
|
|
# Wrapper function
|
||
|
|
if ns_name != None and ns_name != "cv":
|
||
|
|
ns_parts = ns_name.split(".")
|
||
|
|
if ns_parts[0] == "cv":
|
||
|
|
ns_parts = ns_parts[1:]
|
||
|
|
ns_part = "_".join(ns_parts) + "_"
|
||
|
|
ns_id = '_'.join(ns_parts)
|
||
|
|
ns_prefix = namespace_prefix_override.get(ns_id, ns_id)
|
||
|
|
if ns_prefix:
|
||
|
|
ns_prefix = ns_prefix + '_'
|
||
|
|
else:
|
||
|
|
ns_prefix = ''
|
||
|
|
if class_info == None:
|
||
|
|
js_func_name = ns_prefix + func.name
|
||
|
|
wrap_func_name = js_func_name + "_wrapper"
|
||
|
|
else:
|
||
|
|
wrap_func_name = ns_prefix + func.class_name + "_" + func.name + "_wrapper"
|
||
|
|
js_func_name = func.name
|
||
|
|
|
||
|
|
# TODO: Name functions based wrap directives or based on arguments list
|
||
|
|
if index > 0:
|
||
|
|
wrap_func_name += str(index)
|
||
|
|
js_func_name += str(index)
|
||
|
|
|
||
|
|
c_func_name = 'Wrappers::' + wrap_func_name
|
||
|
|
|
||
|
|
# Binding template-
|
||
|
|
raw_arg_names = ['arg' + str(i + 1) for i in range(0, len(variant.args))]
|
||
|
|
arg_names = []
|
||
|
|
w_signature = []
|
||
|
|
casted_arg_types = []
|
||
|
|
for arg_type, arg_name in zip(arg_types, raw_arg_names):
|
||
|
|
casted_arg_name = arg_name
|
||
|
|
if with_vec_from_js_array:
|
||
|
|
# 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)
|
||
|
|
w_signature.append(arg_type + ' ' + arg_name)
|
||
|
|
arg_names.append(casted_arg_name)
|
||
|
|
casted_arg_types.append(arg_type)
|
||
|
|
|
||
|
|
arg_types = casted_arg_types
|
||
|
|
|
||
|
|
# Argument list, signature
|
||
|
|
arg_names_casted = [c if a == b else c + '.as<' + a + '>()' for a, b, c in
|
||
|
|
zip(unwrapped_arg_types, arg_types, arg_names)]
|
||
|
|
|
||
|
|
# Add self object to the parameters
|
||
|
|
if class_info and not factory:
|
||
|
|
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);
|
||
|
|
|
||
|
|
###################################
|
||
|
|
# 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: workaround 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()):
|
||
|
|
ns_parts = ns_name.split('.')
|
||
|
|
if ns_parts[0] != 'cv':
|
||
|
|
print('Ignore namespace: {}'.format(ns_name))
|
||
|
|
continue
|
||
|
|
else:
|
||
|
|
ns_parts = ns_parts[1:]
|
||
|
|
ns_id = '_'.join(ns_parts)
|
||
|
|
ns_prefix = namespace_prefix_override.get(ns_id, ns_id)
|
||
|
|
for name_id, func in sorted(ns.funcs.items()):
|
||
|
|
name = func.name
|
||
|
|
if ns_prefix:
|
||
|
|
name = ns_prefix + '_' + name
|
||
|
|
if name in ignore_list:
|
||
|
|
continue
|
||
|
|
if not name in white_list['']:
|
||
|
|
#print('Not in whitelist: "{}" from ns={}'.format(name, ns_name))
|
||
|
|
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, ns_name, 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, None, 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)
|