141 lines
4.7 KiB
C++
141 lines
4.7 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 MethodBase.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 "Method.h"
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#include "Class.h"
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#include "utilities.h"
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#include <boost/lexical_cast.hpp>
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#include <boost/algorithm/string.hpp>
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#include <iostream>
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#include <fstream>
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using namespace std;
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using namespace wrap;
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/* ************************************************************************* */
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void MethodBase::proxy_wrapper_fragments(
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FileWriter& proxyFile, FileWriter& wrapperFile, Str cppClassName,
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Str matlabQualName, Str matlabUniqueName, Str wrapperName,
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const TypeAttributesTable& typeAttributes,
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vector<string>& functionNames) const {
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// emit header, e.g., function varargout = templatedMethod(this, varargin)
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proxy_header(proxyFile);
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// Emit comments for documentation
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string up_name = boost::to_upper_copy(matlabName());
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proxyFile.oss << " % " << up_name << " usage: ";
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usage_fragment(proxyFile, matlabName());
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// Emit URL to Doxygen page
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proxyFile.oss << " % "
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<< "Doxygen can be found at "
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"http://research.cc.gatech.edu/borg/sites/edu.borg/html/"
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"index.html" << endl;
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// Handle special case of single overload with all numeric arguments
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if (nrOverloads() == 1 && argumentList(0).allScalar()) {
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// Output proxy matlab code
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// TODO: document why is it OK to not check arguments in this case
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proxyFile.oss << " ";
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const int id = (int)functionNames.size();
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emit_call(proxyFile, returnValue(0), wrapperName, id);
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// Output C++ wrapper code
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const string wrapFunctionName = wrapper_fragment(
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wrapperFile, cppClassName, matlabUniqueName, 0, id, typeAttributes);
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// Add to function list
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functionNames.push_back(wrapFunctionName);
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} else {
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// Check arguments for all overloads
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for (size_t i = 0; i < nrOverloads(); ++i) {
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// Output proxy matlab code
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proxyFile.oss << " " << (i == 0 ? "" : "else");
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const int id = (int)functionNames.size();
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emit_conditional_call(proxyFile, returnValue(i), argumentList(i),
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wrapperName, id);
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// Output C++ wrapper code
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const string wrapFunctionName = wrapper_fragment(
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wrapperFile, cppClassName, matlabUniqueName, i, id, typeAttributes);
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// Add to function list
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functionNames.push_back(wrapFunctionName);
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}
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proxyFile.oss << " else\n";
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proxyFile.oss
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<< " error('Arguments do not match any overload of function "
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<< matlabQualName << "." << name_ << "');" << endl;
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proxyFile.oss << " end\n";
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}
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proxyFile.oss << " end\n";
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}
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/* ************************************************************************* */
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string MethodBase::wrapper_fragment(
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FileWriter& wrapperFile, Str cppClassName, Str matlabUniqueName,
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int overload, int id, const TypeAttributesTable& typeAttributes) const {
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// generate code
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const string wrapFunctionName =
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matlabUniqueName + "_" + name_ + "_" + boost::lexical_cast<string>(id);
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const ArgumentList& args = argumentList(overload);
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const ReturnValue& returnVal = returnValue(overload);
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// call
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wrapperFile.oss
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<< "void " << wrapFunctionName
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<< "(int nargout, mxArray *out[], int nargin, const mxArray *in[])\n";
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// start
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wrapperFile.oss << "{\n";
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returnVal.wrapTypeUnwrap(wrapperFile);
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wrapperFile.oss << " typedef boost::shared_ptr<" << cppClassName
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<< "> Shared;" << endl;
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// get call
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// for static methods: cppClassName::staticMethod<TemplateVal>
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// for instance methods: obj->instanceMethod<TemplateVal>
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string expanded =
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wrapper_call(wrapperFile, cppClassName, matlabUniqueName, args);
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expanded += ("(" + args.names() + ")");
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if (returnVal.type1.name() != "void")
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returnVal.wrap_result(expanded, wrapperFile, typeAttributes);
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else
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wrapperFile.oss << " " + expanded + ";\n";
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// finish
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wrapperFile.oss << "}\n";
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return wrapFunctionName;
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}
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/* ************************************************************************* */
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void MethodBase::python_wrapper(FileWriter& wrapperFile, Str className) const {
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wrapperFile.oss << " .def(\"" << name_ << "\", &" << className
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<< "::" << name_ << ");\n";
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}
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/* ************************************************************************* */
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