gtsam/wrap/StaticMethod.cpp

136 lines
4.7 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 StaticMethod.ccp
* @author Frank Dellaert
* @author Andrew Melim
* @author Richard Roberts
**/
#include "StaticMethod.h"
#include "utilities.h"
#include "Class.h"
#include <boost/lexical_cast.hpp>
#include <boost/algorithm/string.hpp>
#include <iostream>
#include <fstream>
using namespace std;
using namespace wrap;
/* ************************************************************************* */
void StaticMethod::proxy_header(FileWriter& proxyFile) const {
string upperName = matlabName();
upperName[0] = toupper(upperName[0], locale());
proxyFile.oss << " function varargout = " << upperName << "(varargin)\n";
}
/* ************************************************************************* */
string StaticMethod::wrapper_call(FileWriter& wrapperFile, Str cppClassName,
Str matlabUniqueName, const ArgumentList& args) const {
// check arguments
// NOTE: for static functions, there is no object passed
wrapperFile.oss << " checkArguments(\"" << matlabUniqueName << "." << name_
<< "\",nargout,nargin," << args.size() << ");\n";
// unwrap arguments, see Argument.cpp
args.matlab_unwrap(wrapperFile, 0); // We start at 0 because there is no self object
// call method and wrap result
// example: out[0]=wrap<bool>(staticMethod(t));
string expanded = cppClassName + "::" + name_;
if (templateArgValue_)
expanded += ("<" + templateArgValue_->qualifiedName("::") + ">");
return expanded;
}
/* ************************************************************************* */
void StaticMethod::emit_cython_pxd(FileWriter& file, const Class& cls) const {
// don't support overloads for static method :-(
for(size_t i = 0; i < nrOverloads(); ++i) {
file.oss << "\t\t@staticmethod\n";
file.oss << "\t\t";
returnVals_[i].emit_cython_pxd(file, cls.cythonClass());
file.oss << name_ + ((i>0)?"_" + to_string(i):"") << " \"" << name_ << "\"" << "(";
argumentList(i).emit_cython_pxd(file, cls.cythonClass());
file.oss << ")\n";
}
}
/* ************************************************************************* */
void StaticMethod::emit_cython_pyx_no_overload(FileWriter& file,
const Class& cls) const {
assert(nrOverloads() == 1);
file.oss << "\t@staticmethod\n";
file.oss << "\tdef " << name_ << "(";
argumentList(0).emit_cython_pyx(file);
file.oss << "):\n";
/// Call cython corresponding function and return
string ret = pyx_functionCall(cls.pyxCythonClass(), name_, 0);
file.oss << "\t\t";
if (!returnVals_[0].isVoid()) {
file.oss << "return " << returnVals_[0].pyx_casting(ret) << "\n";
} else
file.oss << ret << "\n";
file.oss << "\n";
}
/* ************************************************************************* */
void StaticMethod::emit_cython_pyx(FileWriter& file, const Class& cls) const {
size_t N = nrOverloads();
if (N == 1) {
emit_cython_pyx_no_overload(file, cls);
return;
}
// Dealing with overloads..
file.oss << "\t@staticmethod\n";
file.oss << "\tdef " << name_ << "(*args, **kwargs):\n";
file.oss << pyx_checkDuplicateNargsKwArgs();
for (size_t i = 0; i < N; ++i) {
string funcName = name_ + "_" + to_string(i);
file.oss << "\t\tsuccess, results = " << cls.pythonClass() << "."
<< funcName << "(*args, **kwargs)\n";
file.oss << "\t\tif success:\n\t\t\treturn results\n";
}
file.oss << "\t\traise TypeError('Could not find the correct overload')\n";
for(size_t i = 0; i < N; ++i) {
file.oss << "\t@staticmethod\n";
string funcName = name_ + "_" + to_string(i);
string pxdFuncName = name_ + ((i>0)?"_" + to_string(i):"");
ArgumentList args = argumentList(i);
file.oss << "\tdef " + funcName + "(*args, **kwargs):\n";
file.oss << pyx_resolveOverloadParams(args);
/// Call cython corresponding function and return
string ret = pyx_functionCall(cls.pyxCythonClass(), pxdFuncName, i);
if (!returnVals_[i].isVoid()) {
file.oss << "\t\tcdef " << returnVals_[i].pyx_returnType()
<< " ret = " << ret << "\n";
file.oss << "\t\treturn True, " << returnVals_[i].pyx_casting("ret") << "\n";
}
else {
file.oss << "\t\t" << ret << "\n";
file.oss << "\t\treturn True, None\n";
}
file.oss << "\n";
}
}
/* ************************************************************************* */