Repository for OpenCV's extra modules
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#!/usr/bin/env python
# This file is part of OpenCV project.
# It is subject to the license terms in the LICENSE file found in the top-level directory
# of this distribution and at http://opencv.org/license.html
# Copyright (C) 2020 by Archit Rungta
from __future__ import unicode_literals # Needed for python2
import hdr_parser, sys, re, os
from string import Template
from pprint import pprint
from collections import namedtuple
if sys.version_info[0] >= 3:
from io import StringIO
else:
from cStringIO import StringIO
import os, shutil
from parse_tree import *
jl_cpp_argmap = {}
jl_cpp_defmap = {}
julia_types = ["Int32", "Float32", "Float64", "Bool", "String", "Array", "Any"]
cv_types = ["UMat","Size" ]
submodule_template = Template('')
root_template = Template('')
with open("binding_templates_jl/template_cv2_submodule_cxx.jl", "r") as f:
submodule_template = Template(f.read())
with open("binding_templates_jl/template_cv2_root.jl", "r") as f:
root_template = Template(f.read())
with open("typemap.txt", 'r') as f:
tmp = f.readlines()
for ln in tmp:
ln = ln.strip('\n').split(':')
jl_cpp_argmap[ln[0]] = ln[1]
with open("defval.txt", 'r') as f:
tmp = f.readlines()
for ln in tmp:
ln = ln.strip('\n').split('|')
if ln[0] not in jl_cpp_defmap:
jl_cpp_defmap[ln[0]] = {}
jl_cpp_defmap[ln[0]][ln[1]] = ln[2]
def handle_def_arg(inp, tp = '', ns=''):
tp = tp.strip()
inp = inp.strip()
out = ''
if inp in jl_cpp_defmap[tp]:
out = jl_cpp_defmap[tp][inp]
elif inp != '':
print(inp+" not found")
# print(inp, tp, out)
return out
def handle_jl_arg(inp):
if not inp:
return ''
inp = inp.replace('std::', '')
if inp in jl_cpp_argmap:
return jl_cpp_argmap[inp]
inp = inp.replace('cv::', '')
return inp
# return outs
class ClassInfo(ClassInfo):
def get_jl_code(self):
if self.ismap:
return ''
return self.overload_get()+self.overload_set()
def overload_get(self):
stra = "function Base.getproperty(m::%s, s::Symbol)\n" %(self.mapped_name)
if self.isalgorithm:
stra = "function Base.getproperty(m::cv_Ptr{%s}, s::Symbol)\n" %(self.mapped_name)
for prop in self.props:
stra = stra + " if s==:" + prop.name+"\n"
stra = stra + " return cpp_to_julia(%s(m))\n"%self.get_prop_func_cpp("get", prop.name)
stra = stra + " end\n"
stra = stra + " return Base.getfield(m, s)\nend\n"
return stra
def overload_set(self):
stra = "function Base.setproperty!(m::%s, s::Symbol, v)\n" %(self.mapped_name)
if self.isalgorithm:
stra = "function Base.setproperty!(m::cv_Ptr{%s}, s::Symbol, v)\n" %(self.mapped_name)
for prop in self.props:
if not prop.readonly:
continue
stra = stra + " if s==:" + prop.name+"\n"
stra = stra + " %s(m, julia_to_cpp(v))\n"%(self.get_prop_func_cpp("set", prop.name))
stra = stra + " end\n"
stra = stra + " return Base.setfield!(m, s, v)\nend\n"
return stra
class FuncVariant(FuncVariant):
def promote_type(self, tp):
if tp=='int':
return 'long long'
elif tp =='float':
return 'double'
return tp
def get_argument_full(self, classname='', isalgo = False):
arglist = self.inlist + self.optlist
argnamelist = [arg.name+"::"+(handle_jl_arg(self.promote_type(arg.tp)) if handle_jl_arg(arg.tp) not in pass_by_val_types else handle_jl_arg(self.promote_type(arg.tp[:-1]))) for arg in arglist]
argstr = ", ".join(argnamelist)
return argstr
def get_argument_opt(self, ns=''):
# [print(arg.default_value,":",handle_def_arg(arg.default_value, handle_jl_arg(arg.tp))) for arg in self.optlist]
try:
str2 = ", ".join(["%s::%s = %s(%s)" % (arg.name, handle_jl_arg(self.promote_type(arg.tp)), handle_jl_arg(self.promote_type(arg.tp)) if (arg.tp == 'int' or arg.tp=='float' or arg.tp=='double') else '', handle_def_arg(arg.default_value, handle_jl_arg(self.promote_type(arg.tp)), ns)) for arg in self.optlist])
return str2
except KeyError:
return ''
def get_argument_def(self, classname, isalgo):
arglist = self.inlist
argnamelist = [arg.name+"::"+(handle_jl_arg(self.promote_type(arg.tp)) if handle_jl_arg(self.promote_type(arg.tp)) not in pass_by_val_types else handle_jl_arg(self.promote_type(arg.tp[:-1]))) for arg in arglist]
argstr = ", ".join(argnamelist)
return argstr
def get_return(self, classname=''):
argstr = ''
arglist = self.inlist + self.optlist
return "return cpp_to_julia(%s(%s))" %(self.get_wrapper_name(), ",".join(["julia_to_cpp(%s)" % (x.name) for x in arglist]))
def get_algo_tp(self, classname, isalgo):
if not isalgo or not classname:
return ''
return ' where {T <: %s}' % classname
def get_complete_code(self, classname='', isalgo = False, iscons = False, gen_default = True, ns = ''):
if classname and not iscons:
if isalgo:
self.inlist = [ArgInfo("cobj", "cv_Ptr{T}")] + self.inlist
else:
self.inlist = [ArgInfo("cobj", classname)] + self.inlist
map_name = self.mapped_name
if ns!='cv':
map_name = '%s_%s' %(ns.split('::')[-1], map_name)
outstr = 'function %s(%s)%s\n\t%s\nend\n' % (map_name, self.get_argument_full(classname, isalgo), self.get_algo_tp(classname, isalgo),self.get_return())
str2 = ", ".join([x.name for x in self.inlist + self.optlist])
# outstr = outstr +
if self.get_argument_opt() != '' and gen_default:
outstr = outstr + ('%s(%s; %s)%s = %s(%s)\n' % (map_name, self.get_argument_def(classname, isalgo), self.get_argument_opt(ns), self.get_algo_tp(classname, isalgo), map_name, str2))
if iscons and len(self.inlist+self.optlist)==0 and ns=='cv':
return ''
return outstr
def gen(srcfiles):
namespaces, _ = gen_tree(srcfiles)
jl_code = StringIO()
for name, ns in namespaces.items():
cv_types.extend(ns.registered)
jl_code = StringIO()
nsname = name
for e1,e2 in ns.enums.items():
# jl_code.write('\n const {0} = Int32'.format(e2[0]))
jl_code.write('\n const {0} = Int64 \n'.format(e2[0].replace("cv::", "").replace("::", "_")))
# Do not duplicate functions. This should prevent overwriting of Mat function by UMat functions
function_signatures = []
for cname, cl in ns.classes.items():
cl.__class__ = ClassInfo
jl_code.write(cl.get_jl_code())
for mname, fs in cl.methods.items():
for f in fs:
f.__class__ = FuncVariant
sign = (f.name, f.mapped_name, f.classname, [x.tp for x in f.inlist+f.optlist])
if sign in function_signatures:
print("Skipping entirely: ", f.name)
continue
sign2 = (f.name, f.mapped_name, f.classname, [x.tp for x in f.inlist])
gend = True
if sign2 in function_signatures:
print("Skipping default declaration: ", f.name)
gend = False
jl_code.write('\n%s' % f.get_complete_code(classname = cl.mapped_name, isalgo = cl.isalgorithm, gen_default = gend, ns=nsname))
function_signatures.append(sign)
function_signatures.append(sign2)
for f in cl.constructors:
f.__class__ = FuncVariant
jl_code.write('\n%s' % f.get_complete_code(classname = cl.mapped_name, isalgo = cl.isalgorithm, iscons = True, ns=nsname))
for mname, fs in ns.funcs.items():
for f in fs:
f.__class__ = FuncVariant
sign = (f.name, f.mapped_name, f.classname, [x.tp for x in f.inlist+f.optlist])
if sign in function_signatures:
print("Skipping entirely: ", f.name)
continue
gend = True
sign2 = (f.name, f.mapped_name, f.classname, [x.tp for x in f.inlist])
if sign2 in function_signatures:
print("Skipping default declaration: ", f.name)
gend = False
jl_code.write('\n%s' % f.get_complete_code(gen_default = gend, ns=nsname))
function_signatures.append(sign)
function_signatures.append(sign2)
imports = ''
for namex in namespaces:
if namex.startswith(name) and len(namex.split('::')) == 1 + len(name.split('::')):
imports = imports + '\ninclude("%s_cxx_wrap.jl")'%namex.replace('::', '_')
code = ''
if name == 'cv':
code = root_template.substitute(modname = name, code = jl_code.getvalue(), submodule_imports = imports)
else:
code = submodule_template.substitute(code = jl_code.getvalue(), submodule_imports = imports)
with open ('autogen_jl/%s_cxx_wrap.jl' % ns.name.replace('::', '_'), 'w') as fd:
fd.write(code)
srcfiles = hdr_parser.opencv_hdr_list
if len(sys.argv) > 1:
srcfiles = [l.strip() for l in sys.argv[1].split(';')]
gen(srcfiles)