125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
/* ----------------------------------------------------------------------------
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* GTSAM Copyright 2010, Georgia Tech Research Corporation,
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* Atlanta, Georgia 30332-0415
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* All Rights Reserved
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* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
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* See LICENSE for the license information
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* -------------------------------------------------------------------------- */
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/**
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* @file Constructor.ccp
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* @author Frank Dellaert
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* @author Andrew Melim
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* @author Richard Roberts
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**/
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#include <iostream>
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#include <fstream>
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#include <algorithm>
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#include <boost/foreach.hpp>
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#include <boost/lexical_cast.hpp>
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#include "utilities.h"
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#include "Constructor.h"
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using namespace std;
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using namespace wrap;
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/* ************************************************************************* */
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string Constructor::matlab_wrapper_name(Str className) const {
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string str = "new_" + className;
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return str;
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}
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/* ************************************************************************* */
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void Constructor::proxy_fragment(FileWriter& file,
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const std::string& wrapperName, bool hasParent, const int id,
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const ArgumentList args) const {
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size_t nrArgs = args.size();
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// check for number of arguments...
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file.oss << " elseif nargin == " << nrArgs;
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if (nrArgs > 0)
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file.oss << " && ";
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// ...and their types
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bool first = true;
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for (size_t i = 0; i < nrArgs; i++) {
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if (!first)
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file.oss << " && ";
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file.oss << "isa(varargin{" << i + 1 << "},'" << args[i].matlabClass(".")
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<< "')";
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first = false;
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}
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// emit code for calling constructor
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if (hasParent)
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file.oss << "\n [ my_ptr, base_ptr ] = ";
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else
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file.oss << "\n my_ptr = ";
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file.oss << wrapperName << "(" << id;
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// emit constructor arguments
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for (size_t i = 0; i < nrArgs; i++) {
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file.oss << ", ";
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file.oss << "varargin{" << i + 1 << "}";
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}
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file.oss << ");\n";
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}
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/* ************************************************************************* */
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string Constructor::wrapper_fragment(FileWriter& file, Str cppClassName,
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Str matlabUniqueName, Str cppBaseClassName, int id,
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const ArgumentList& al) const {
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const string wrapFunctionName = matlabUniqueName + "_constructor_"
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+ boost::lexical_cast<string>(id);
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file.oss << "void " << wrapFunctionName
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<< "(int nargout, mxArray *out[], int nargin, const mxArray *in[])"
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<< endl;
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file.oss << "{\n";
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file.oss << " mexAtExit(&_deleteAllObjects);\n";
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//Typedef boost::shared_ptr
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file.oss << " typedef boost::shared_ptr<" << cppClassName << "> Shared;\n";
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file.oss << "\n";
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//Check to see if there will be any arguments and remove {} for consiseness
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if (al.size() > 0)
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al.matlab_unwrap(file); // unwrap arguments
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file.oss << " Shared *self = new Shared(new " << cppClassName << "("
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<< al.names() << "));" << endl;
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file.oss << " collector_" << matlabUniqueName << ".insert(self);\n";
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if (verbose_)
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file.oss << " std::cout << \"constructed \" << self << std::endl;" << endl;
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file.oss
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<< " out[0] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);"
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<< endl;
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file.oss << " *reinterpret_cast<Shared**> (mxGetData(out[0])) = self;"
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<< endl;
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// 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)
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if (!cppBaseClassName.empty()) {
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file.oss << "\n";
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file.oss << " typedef boost::shared_ptr<" << cppBaseClassName
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<< "> SharedBase;\n";
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file.oss
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<< " out[1] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);\n";
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file.oss
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<< " *reinterpret_cast<SharedBase**>(mxGetData(out[1])) = new SharedBase(*self);\n";
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}
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file.oss << "}" << endl;
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return wrapFunctionName;
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}
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/* ************************************************************************* */
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void Constructor::python_wrapper(FileWriter& wrapperFile, Str className) const {
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wrapperFile.oss << " .def(\"" << name_ << "\", &" << className << "::" << name_
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<< ");\n";
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}
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/* ************************************************************************* */
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