gtsam/wrap/Constructor.cpp

138 lines
4.6 KiB
C++

/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* @file Constructor.ccp
* @author Frank Dellaert
* @author Andrew Melim
* @author Richard Roberts
**/
#include <iostream>
#include <fstream>
#include <algorithm>
#include <boost/lexical_cast.hpp>
#include "utilities.h"
#include "Constructor.h"
using namespace std;
using namespace wrap;
/* ************************************************************************* */
string Constructor::matlab_wrapper_name(Str className) const {
string str = "new_" + className;
return str;
}
/* ************************************************************************* */
void Constructor::proxy_fragment(FileWriter& file,
const std::string& wrapperName, bool hasParent, const int id,
const ArgumentList args) const {
size_t nrArgs = args.size();
// check for number of arguments...
file.oss << " elseif nargin == " << nrArgs;
if (nrArgs > 0)
file.oss << " && ";
// ...and their types
bool first = true;
for (size_t i = 0; i < nrArgs; i++) {
if (!first)
file.oss << " && ";
file.oss << "isa(varargin{" << i + 1 << "},'" << args[i].matlabClass(".")
<< "')";
first = false;
}
// emit code for calling constructor
if (hasParent)
file.oss << "\n [ my_ptr, base_ptr ] = ";
else
file.oss << "\n my_ptr = ";
file.oss << wrapperName << "(" << id;
// emit constructor arguments
for (size_t i = 0; i < nrArgs; i++) {
file.oss << ", ";
file.oss << "varargin{" << i + 1 << "}";
}
file.oss << ");\n";
}
/* ************************************************************************* */
string Constructor::wrapper_fragment(FileWriter& file, Str cppClassName,
Str matlabUniqueName, boost::optional<string> cppBaseClassName, int id,
const ArgumentList& al) const {
const string wrapFunctionName = matlabUniqueName + "_constructor_"
+ boost::lexical_cast<string>(id);
file.oss << "void " << wrapFunctionName
<< "(int nargout, mxArray *out[], int nargin, const mxArray *in[])"
<< endl;
file.oss << "{\n";
file.oss << " mexAtExit(&_deleteAllObjects);\n";
//Typedef boost::shared_ptr
file.oss << " typedef boost::shared_ptr<" << cppClassName << "> Shared;\n";
file.oss << "\n";
//Check to see if there will be any arguments and remove {} for consiseness
if (al.size() > 0)
al.matlab_unwrap(file); // unwrap arguments
file.oss << " Shared *self = new Shared(new " << cppClassName << "("
<< al.names() << "));" << endl;
file.oss << " collector_" << matlabUniqueName << ".insert(self);\n";
if (verbose_)
file.oss << " std::cout << \"constructed \" << self << std::endl;" << endl;
file.oss
<< " out[0] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);"
<< endl;
file.oss << " *reinterpret_cast<Shared**> (mxGetData(out[0])) = self;"
<< endl;
// If we have a base class, return the base class pointer (MATLAB will call the base class collectorInsertAndMakeBase to add this to the collector and recurse the heirarchy)
if (cppBaseClassName) {
file.oss << "\n";
file.oss << " typedef boost::shared_ptr<" << *cppBaseClassName
<< "> SharedBase;\n";
file.oss
<< " out[1] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);\n";
file.oss
<< " *reinterpret_cast<SharedBase**>(mxGetData(out[1])) = new SharedBase(*self);\n";
}
file.oss << "}" << endl;
return wrapFunctionName;
}
/* ************************************************************************* */
void Constructor::python_wrapper(FileWriter& wrapperFile, Str className) const {
wrapperFile.oss << " .def(\"" << name_ << "\", &" << className << "::" << name_
<< ");\n";
}
/* ************************************************************************* */
void Constructor::emit_cython_pxd(FileWriter& pxdFile, Str className) const {
for (size_t i = 0; i < nrOverloads(); i++) {
ArgumentList args = argumentList(i);
pxdFile.oss << "\t\t" << className << "(";
args.emit_cython_pxd(pxdFile);
pxdFile.oss << ") " << "except +\n";
}
}
/* ************************************************************************* */
void Constructor::emit_cython_pyx(FileWriter& pyxFile, Str className) const {
}
/* ************************************************************************* */