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special ctor signature to be used with cyCreateFromShared 

so that calling the default ctor by mistake on a class without the default ctor will respond nicely with an exception instead of a seg-fault
release/4.3a0
Duy-Nguyen Ta 2017-03-08 15:22:16 -05:00
parent c9666a1b44
commit b7efaf8c3f
1 changed files with 3 additions and 3 deletions
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6
wrap/Class.cpp
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@ -827,13 +827,13 @@ void Class::emit_cython_pyx(FileWriter& pyxFile, const std::vector<Class>& allCl
" self." << shared_pxd_obj_in_pyx() << " = "
<< shared_pxd_class_in_pyx() << "()\n";
pyxFile.oss << " if len(args)==0 and len(kwargs)==1 and kwargs.has_key('cyCreateFromShared'):\n return\n";
for (size_t i = 0; i<constructor.nrOverloads(); ++i) {
pyxFile.oss << " " << (i == 0 ? "if" : "elif") << " self."
pyxFile.oss << " " << "elif" << " self."
<< pyxClassName() << "_" << i
<< "(*args, **kwargs):\n pass\n";
}
if (constructor.nrOverloads()>0) {
pyxFile.oss << " elif len(args)+len(kwargs)==0:\n return\n";
pyxFile.oss << " else:\n raise TypeError('" << pyxClassName()
<< " construction failed!')\n";
}
@ -849,7 +849,7 @@ void Class::emit_cython_pyx(FileWriter& pyxFile, const std::vector<Class>& allCl
pyxFile.oss << " @staticmethod\n";
pyxFile.oss << " cdef " << pyxClassName() << " cyCreateFromShared(const "
<< shared_pxd_class_in_pyx() << "& other):\n"
<< " cdef " << pyxClassName() << " ret = " << pyxClassName() << "()\n"
<< " cdef " << pyxClassName() << " ret = " << pyxClassName() << "(cyCreateFromShared=True)\n"
<< " ret." << shared_pxd_obj_in_pyx() << " = other\n";
pyxInitParentObj(pyxFile, " ret", "other", allClasses);
pyxFile.oss << " return ret" << "\n";