882 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			882 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C++
		
	
	
| /* ----------------------------------------------------------------------------
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| 
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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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| 
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|  * See LICENSE for the license information
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| 
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|  * -------------------------------------------------------------------------- */
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| 
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| /**
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|  * @file Class.cpp
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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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| 
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| #include "Class.h"
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| #include "utilities.h"
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| #include "Argument.h"
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| #include <unordered_set>
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| 
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| #include <boost/lexical_cast.hpp>
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| #include <boost/range/adaptor/map.hpp>
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| #include <boost/range/algorithm/copy.hpp>
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| #include <boost/tuple/tuple.hpp>
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| #include <boost/iterator/zip_iterator.hpp>
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| #include <boost/range/combine.hpp>
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| #include <boost/range/algorithm/remove_if.hpp>
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| 
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| #include <vector>
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| #include <iostream>
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| #include <fstream>
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| #include <sstream>
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| #include <iterator>     // std::ostream_iterator
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| //#include <cstdint> // on Linux GCC: fails with error regarding needing C++0x std flags
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| //#include <cinttypes> // same failure as above
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| #include <stdint.h> // works on Linux GCC
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| using namespace std;
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| using namespace wrap;
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| 
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| /* ************************************************************************* */
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| void Class::assignParent(const Qualified& parent) {
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|   parentClass.reset(parent);
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| }
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| 
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| /* ************************************************************************* */
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| boost::optional<string> Class::qualifiedParent() const {
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|   boost::optional<string> result = boost::none;
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|   if (parentClass)
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|     result = parentClass->qualifiedName("::");
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|   return result;
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| }
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| 
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| /* ************************************************************************* */
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| static void handleException(const out_of_range& oor,
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|     const Class::Methods& methods) {
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|   cerr << "Class::method: key not found: " << oor.what() << ", methods are:\n";
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|   using boost::adaptors::map_keys;
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|   ostream_iterator<string> out_it(cerr, "\n");
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|   boost::copy(methods | map_keys, out_it);
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| }
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| 
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| /* ************************************************************************* */
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| // Method& Class::mutableMethod(Str key) {
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| //   try {
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| //     return methods_.at(key);
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| //   } catch (const out_of_range& oor) {
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| //     handleException(oor, methods_);
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| //     throw runtime_error("Internal error in wrap");
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| //   }
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| // }
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| 
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| /* ************************************************************************* */
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| const Method& Class::method(Str key) const {
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|   try {
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|     return methods_.at(key);
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|   } catch (const out_of_range& oor) {
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|     handleException(oor, methods_);
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|     throw runtime_error("Internal error in wrap");
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|   }
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| }
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| 
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| /* ************************************************************************* */
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| void Class::matlab_proxy(Str toolboxPath, Str wrapperName,
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|     const TypeAttributesTable& typeAttributes, FileWriter& wrapperFile,
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|     vector<string>& functionNames) const {
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| 
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|   // Create namespace folders
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|   createNamespaceStructure(namespaces(), toolboxPath);
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| 
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|   // open destination classFile
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|   string classFile = matlabName(toolboxPath);
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|   FileWriter proxyFile(classFile, verbose_, "%");
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| 
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|   // get the name of actual matlab object
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|   const string matlabQualName = qualifiedName(".");
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|   const string matlabUniqueName = qualifiedName();
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|   const string cppName = qualifiedName("::");
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| 
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|   // emit class proxy code
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|   // we want our class to inherit the handle class for memory purposes
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|   const string parent =
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|       parentClass ? parentClass->qualifiedName(".") : "handle";
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|   comment_fragment(proxyFile);
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|   proxyFile.oss << "classdef " << name() << " < " << parent << endl;
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|   proxyFile.oss << "  properties\n";
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|   proxyFile.oss << "    ptr_" << matlabUniqueName << " = 0\n";
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|   proxyFile.oss << "  end\n";
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|   proxyFile.oss << "  methods\n";
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| 
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|   // Constructor
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|   proxyFile.oss << "    function obj = " << name() << "(varargin)\n";
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|   // Special pointer constructors - one in MATLAB to create an object and
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|   // assign a pointer returned from a C++ function.  In turn this MATLAB
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|   // constructor calls a special C++ function that just adds the object to
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|   // its collector.  This allows wrapped functions to return objects in
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|   // other wrap modules - to add these to their collectors the pointer is
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|   // passed from one C++ module into matlab then back into the other C++
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|   // module.
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|   pointer_constructor_fragments(proxyFile, wrapperFile, wrapperName,
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|       functionNames);
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|   wrapperFile.oss << "\n";
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| 
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|   // Regular constructors
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|   boost::optional<string> cppBaseName = qualifiedParent();
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|   for (size_t i = 0; i < constructor.nrOverloads(); i++) {
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|     ArgumentList args = constructor.argumentList(i);
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|     const int id = (int) functionNames.size();
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|     constructor.proxy_fragment(proxyFile, wrapperName, (bool) parentClass, id,
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|         args);
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|     const string wrapFunctionName = constructor.wrapper_fragment(wrapperFile,
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|         cppName, matlabUniqueName, cppBaseName, id, args);
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|     wrapperFile.oss << "\n";
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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 << "        error('Arguments do not match any overload of "
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|       << matlabQualName << " constructor');\n";
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|   proxyFile.oss << "      end\n";
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|   if (parentClass)
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|     proxyFile.oss << "      obj = obj@" << parentClass->qualifiedName(".")
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|         << "(uint64(" << ptr_constructor_key << "), base_ptr);\n";
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|   proxyFile.oss << "      obj.ptr_" << matlabUniqueName << " = my_ptr;\n";
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|   proxyFile.oss << "    end\n\n";
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| 
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|   // Deconstructor
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|   {
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|     const int id = (int) functionNames.size();
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|     deconstructor.proxy_fragment(proxyFile, wrapperName, matlabUniqueName, id);
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|     proxyFile.oss << "\n";
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|     const string functionName = deconstructor.wrapper_fragment(wrapperFile,
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|         cppName, matlabUniqueName, id);
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|     wrapperFile.oss << "\n";
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|     functionNames.push_back(functionName);
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|   }
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|   proxyFile.oss
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|       << "    function display(obj), obj.print(''); end\n    %DISPLAY Calls print on the object\n";
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|   proxyFile.oss
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|       << "    function disp(obj), obj.display; end\n    %DISP Calls print on the object\n";
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| 
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|   // Methods
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|   for(const Methods::value_type& name_m: methods_) {
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|     const Method& m = name_m.second;
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|     m.proxy_wrapper_fragments(proxyFile, wrapperFile, cppName, matlabQualName,
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|         matlabUniqueName, wrapperName, typeAttributes, functionNames);
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|     proxyFile.oss << "\n";
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|     wrapperFile.oss << "\n";
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|   }
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|   if (hasSerialization)
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|     serialization_fragments(proxyFile, wrapperFile, wrapperName, functionNames);
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| 
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|   proxyFile.oss << "  end\n";
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|   proxyFile.oss << "\n";
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|   proxyFile.oss << "  methods(Static = true)\n";
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| 
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|   // Static methods
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|   for(const StaticMethods::value_type& name_m: static_methods) {
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|     const StaticMethod& m = name_m.second;
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|     m.proxy_wrapper_fragments(proxyFile, wrapperFile, cppName, matlabQualName,
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|         matlabUniqueName, wrapperName, typeAttributes, functionNames);
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|     proxyFile.oss << "\n";
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|     wrapperFile.oss << "\n";
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|   }
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|   if (hasSerialization)
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|     deserialization_fragments(proxyFile, wrapperFile, wrapperName,
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|         functionNames);
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| 
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|   proxyFile.oss << "  end\n";
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|   proxyFile.oss << "end\n";
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| 
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|   // Close file
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|   proxyFile.emit(true);
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| }
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| 
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| /* ************************************************************************* */
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| void Class::pointer_constructor_fragments(FileWriter& proxyFile,
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|     FileWriter& wrapperFile, Str wrapperName,
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|     vector<string>& functionNames) const {
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| 
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|   const string matlabUniqueName = qualifiedName();
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|   const string cppName = qualifiedName("::");
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| 
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|   const int collectorInsertId = (int) functionNames.size();
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|   const string collectorInsertFunctionName = matlabUniqueName
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|       + "_collectorInsertAndMakeBase_"
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|       + boost::lexical_cast<string>(collectorInsertId);
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|   functionNames.push_back(collectorInsertFunctionName);
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| 
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|   int upcastFromVoidId;
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|   string upcastFromVoidFunctionName;
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|   if (isVirtual) {
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|     upcastFromVoidId = (int) functionNames.size();
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|     upcastFromVoidFunctionName = matlabUniqueName + "_upcastFromVoid_"
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|         + boost::lexical_cast<string>(upcastFromVoidId);
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|     functionNames.push_back(upcastFromVoidFunctionName);
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|   }
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| 
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|   // MATLAB constructor that assigns pointer to matlab object then calls c++
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|   // function to add the object to the collector.
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|   if (isVirtual) {
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|     proxyFile.oss
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|         << "      if (nargin == 2 || (nargin == 3 && strcmp(varargin{3}, 'void')))";
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|   } else {
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|     proxyFile.oss << "      if nargin == 2";
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|   }
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|   proxyFile.oss << " && isa(varargin{1}, 'uint64') && varargin{1} == uint64("
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|       << ptr_constructor_key << ")\n";
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|   if (isVirtual) {
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|     proxyFile.oss << "        if nargin == 2\n";
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|     proxyFile.oss << "          my_ptr = varargin{2};\n";
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|     proxyFile.oss << "        else\n";
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|     proxyFile.oss << "          my_ptr = " << wrapperName << "("
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|         << upcastFromVoidId << ", varargin{2});\n";
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|     proxyFile.oss << "        end\n";
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|   } else {
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|     proxyFile.oss << "        my_ptr = varargin{2};\n";
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|   }
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|   if (!parentClass) // If this class has a base class, we'll get a base class pointer back
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|     proxyFile.oss << "        ";
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|   else
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|     proxyFile.oss << "        base_ptr = ";
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|   proxyFile.oss << wrapperName << "(" << collectorInsertId << ", my_ptr);\n"; // Call collector insert and get base class ptr
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| 
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|   // C++ function to add pointer from MATLAB to collector.  The pointer always
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|   // comes from a C++ return value; this mechanism allows the object to be added
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|   // to a collector in a different wrap module.  If this class has a base class,
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|   // a new pointer to the base class is allocated and returned.
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|   wrapperFile.oss << "void " << collectorInsertFunctionName
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|       << "(int nargout, mxArray *out[], int nargin, const mxArray *in[])\n";
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|   wrapperFile.oss << "{\n";
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|   wrapperFile.oss << "  mexAtExit(&_deleteAllObjects);\n";
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|   // Typedef boost::shared_ptr
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|   wrapperFile.oss << "  typedef boost::shared_ptr<" << cppName << "> Shared;\n";
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|   wrapperFile.oss << "\n";
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|   // Get self pointer passed in
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|   wrapperFile.oss
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|       << "  Shared *self = *reinterpret_cast<Shared**> (mxGetData(in[0]));\n";
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|   // Add to collector
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|   wrapperFile.oss << "  collector_" << matlabUniqueName << ".insert(self);\n";
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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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|   boost::optional<string> cppBaseName = qualifiedParent();
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|   if (cppBaseName) {
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|     wrapperFile.oss << "\n";
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|     wrapperFile.oss << "  typedef boost::shared_ptr<" << *cppBaseName
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|         << "> SharedBase;\n";
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|     wrapperFile.oss
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|         << "  out[0] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);\n";
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|     wrapperFile.oss
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|         << "  *reinterpret_cast<SharedBase**>(mxGetData(out[0])) = new SharedBase(*self);\n";
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|   }
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|   wrapperFile.oss << "}\n";
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| 
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|   // If this is a virtual function, C++ function to dynamic upcast it from a
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|   // shared_ptr<void>.  This mechanism allows automatic dynamic creation of the
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|   // real underlying derived-most class when a C++ method returns a virtual
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|   // base class.
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|   if (isVirtual)
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|     wrapperFile.oss << "\n"
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|         "void " << upcastFromVoidFunctionName
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|         << "(int nargout, mxArray *out[], int nargin, const mxArray *in[]) {\n"
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|             "  mexAtExit(&_deleteAllObjects);\n"
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|             "  typedef boost::shared_ptr<" << cppName
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|         << "> Shared;\n"
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|             "  boost::shared_ptr<void> *asVoid = *reinterpret_cast<boost::shared_ptr<void>**> (mxGetData(in[0]));\n"
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|             "  out[0] = mxCreateNumericMatrix(1, 1, mxUINT32OR64_CLASS, mxREAL);\n"
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|             "  Shared *self = new Shared(boost::static_pointer_cast<" << cppName
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|         << ">(*asVoid));\n"
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|             "  *reinterpret_cast<Shared**>(mxGetData(out[0])) = self;\n"
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|             "}\n";
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| }
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| 
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| /* ************************************************************************* */
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| Class Class::expandTemplate(const TemplateSubstitution& ts) const {
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|   Class inst = *this;
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|   inst.methods_ = expandMethodTemplate(methods_, ts);
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|   inst.static_methods = expandMethodTemplate(static_methods, ts);
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|   inst.constructor = constructor.expandTemplate(ts);
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|   inst.deconstructor.name = inst.name();
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|   return inst;
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| }
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| 
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| /* ************************************************************************* */
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| vector<Class> Class::expandTemplate(Str templateArg,
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|     const vector<Qualified>& instantiations) const {
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|   vector<Class> result;
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|   for(const Qualified& instName: instantiations) {
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|     Qualified expandedClass = (Qualified) (*this);
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|     expandedClass.expand(instName.name());
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|     const TemplateSubstitution ts(templateArg, instName, expandedClass);
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|     Class inst = expandTemplate(ts);
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|     inst.name_ = expandedClass.name();
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|     inst.templateArgs.clear();
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|     inst.typedefName = qualifiedName("::") + "<" + instName.qualifiedName("::")
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|         + ">";
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|     inst.templateInstTypeList.push_back(instName);
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|     inst.templateClass = *this;
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|     result.push_back(inst);
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|   }
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|   return result;
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| }
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| 
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| /* ************************************************************************* */
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| vector<Class> Class::expandTemplate(Str templateArg,
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|     const vector<int>& integers) const {
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|   vector<Class> result;
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|   for(int i: integers) {
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|     Qualified expandedClass = (Qualified) (*this);
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|     stringstream ss; ss << i;
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|     string instName = ss.str();
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|     expandedClass.expand(instName);
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|     const TemplateSubstitution ts(templateArg, instName, expandedClass);
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|     Class inst = expandTemplate(ts);
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|     inst.name_ = expandedClass.name();
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|     inst.templateArgs.clear();
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|     inst.typedefName = qualifiedName("::") + "<" + instName + ">";
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|     result.push_back(inst);
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|   }
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|   return result;
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| }
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| 
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| /* ************************************************************************* */
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| void Class::addMethod(bool verbose, bool is_const, Str methodName,
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|     const ArgumentList& argumentList, const ReturnValue& returnValue,
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|     const Template& tmplate) {
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|   // Check if templated
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|   if (tmplate.valid()) {
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|     templateMethods_[methodName].addOverload(methodName, argumentList,
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|                                              returnValue, is_const,
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|                                              tmplate.argName(), verbose);
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|     // Create method to expand
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|     // For all values of the template argument, create a new method
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|     for(const Qualified& instName: tmplate.argValues()) {
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| 
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|       const TemplateSubstitution ts(tmplate.argName(), instName, *this);
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|       // substitute template in arguments
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|       ArgumentList expandedArgs = argumentList.expandTemplate(ts);
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|       // do the same for return type
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|       ReturnValue expandedRetVal = returnValue.expandTemplate(ts);
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|       // Now stick in new overload stack with expandedMethodName key
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|       // but note we use the same, unexpanded methodName in overload
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|       string expandedMethodName = methodName + instName.name();
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|       methods_[expandedMethodName].addOverload(methodName, expandedArgs,
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|           expandedRetVal, is_const, instName, verbose);
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|     }
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|   } else {
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|     // just add overload
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|     methods_[methodName].addOverload(methodName, argumentList, returnValue,
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|         is_const, boost::none, verbose);
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|     nontemplateMethods_[methodName].addOverload(methodName, argumentList, returnValue,
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|         is_const, boost::none, verbose);
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|   }
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| }
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| 
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| /* ************************************************************************* */
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| void Class::erase_serialization(Methods& methods) {
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|   Methods::iterator it = methods.find("serializable");
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|   if (it != methods.end()) {
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| #ifndef WRAP_DISABLE_SERIALIZE
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|     isSerializable = true;
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| #else
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|     // cout << "Ignoring serializable() flag in class " << name << endl;
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| #endif
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|     methods.erase(it);
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|   }
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| 
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|   it = methods.find("serialize");
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|   if (it != methods.end()) {
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| #ifndef WRAP_DISABLE_SERIALIZE
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|     isSerializable = true;
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|     hasSerialization = true;
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| #else
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|     // cout << "Ignoring serialize() flag in class " << name << endl;
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| #endif
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|     methods.erase(it);
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|   }
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| }
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| 
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| void Class::erase_serialization() {
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|   erase_serialization(methods_);
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|   erase_serialization(nontemplateMethods_);
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| }
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| 
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| /* ************************************************************************* */
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| void Class::verifyAll(vector<string>& validTypes, bool& hasSerialiable) const {
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| 
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|   hasSerialiable |= isSerializable;
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| 
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|   // verify all of the function arguments
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|   //TODO:verifyArguments<ArgumentList>(validTypes, constructor.args_list);
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|   verifyArguments<StaticMethod>(validTypes, static_methods);
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|   verifyArguments<Method>(validTypes, methods_);
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| 
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|   // verify function return types
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|   verifyReturnTypes<StaticMethod>(validTypes, static_methods);
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|   verifyReturnTypes<Method>(validTypes, methods_);
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| 
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|   // verify parents
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|   boost::optional<string> parent = qualifiedParent();
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|   if (parent
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|       && find(validTypes.begin(), validTypes.end(), *parent)
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|           == validTypes.end())
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|     throw DependencyMissing(*parent, qualifiedName("::"));
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| }
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| 
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| /* ************************************************************************* */
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| void Class::appendInheritedMethods(const Class& cls,
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|     const vector<Class>& classes) {
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| 
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|   if (cls.parentClass) {
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| 
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|     // Find parent
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|     for(const Class& parent: classes) {
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|       // We found a parent class for our parent, TODO improve !
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|       if (parent.name() == cls.parentClass->name()) {
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|         methods_.insert(parent.methods_.begin(), parent.methods_.end());
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|         appendInheritedMethods(parent, classes);
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|       }
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|     }
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|   }
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| }
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| 
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| /* ************************************************************************* */
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| void Class::removeInheritedNontemplateMethods(vector<Class>& classes) {
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|   if (!parentClass) return;
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|   // Find parent
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|   auto parentIt = std::find_if(classes.begin(), classes.end(),
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|       [&](const Class& cls) { return cls.name() == parentClass->name(); });
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|   if (parentIt == classes.end()) return; // ignore if parent not found
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|   Class& parent = *parentIt;
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| 
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|   // Only check nontemplateMethods_
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|   for(const string& methodName: nontemplateMethods_ | boost::adaptors::map_keys) {
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|     // check if the method exists in its parent
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|     // Check against parent's methods_ because all the methods of grand
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|     // parent and grand-grand-parent, etc. are already included there
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|     // This is to avoid looking into higher level grand parents...
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|     auto it = parent.methods_.find(methodName);
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|     if (it == parent.methods_.end()) continue; // if not: ignore!
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| 
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|     Method& parentMethod = it->second;
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|     Method& method = nontemplateMethods_[methodName];
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|     // check if they have the same modifiers (const/static/templateArgs)
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|     if (!method.isSameModifiers(parentMethod)) continue; // if not: ignore
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| 
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|     // check and remove duplicate overloads
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|     auto methodOverloads = boost::combine(method.returnVals_, method.argLists_);
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|     auto parentMethodOverloads = boost::combine(parentMethod.returnVals_, parentMethod.argLists_);
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|     auto result = boost::remove_if(
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|         methodOverloads,
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|         [&](boost::tuple<ReturnValue, ArgumentList> const& overload) {
 | |
|             bool found = std::find_if(
 | |
|                        parentMethodOverloads.begin(),
 | |
|                        parentMethodOverloads.end(),
 | |
|                        [&](boost::tuple<ReturnValue, ArgumentList> const&
 | |
|                                parentOverload) {
 | |
|                            return overload.get<0>() == parentOverload.get<0>() &&
 | |
|                                   overload.get<1>().isSameSignature(parentOverload.get<1>());
 | |
|                        }) != parentMethodOverloads.end();
 | |
|             return found;
 | |
|         });
 | |
|     // remove all duplicate overloads
 | |
|     method.returnVals_.erase(boost::get<0>(result.get_iterator_tuple()),
 | |
|                              method.returnVals_.end());
 | |
|     method.argLists_.erase(boost::get<1>(result.get_iterator_tuple()),
 | |
|                                method.argLists_.end());
 | |
|   }
 | |
|   // [Optional] remove the entire method if it has no overload
 | |
|   for (auto it = nontemplateMethods_.begin(), ite = nontemplateMethods_.end(); it != ite;)
 | |
|       if (it->second.nrOverloads() == 0) it = nontemplateMethods_.erase(it); else ++it;
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| string Class::getTypedef() const {
 | |
|   string result;
 | |
|   for(Str namesp: namespaces()) {
 | |
|     result += ("namespace " + namesp + " { ");
 | |
|   }
 | |
|   result += ("typedef " + typedefName + " " + name() + ";");
 | |
|   for (size_t i = 0; i < namespaces().size(); ++i) {
 | |
|     result += " }";
 | |
|   }
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::comment_fragment(FileWriter& proxyFile) const {
 | |
|   proxyFile.oss << "%class " << name() << ", see Doxygen page for details\n";
 | |
|   proxyFile.oss
 | |
|       << "%at http://research.cc.gatech.edu/borg/sites/edu.borg/html/index.html\n";
 | |
| 
 | |
|   constructor.comment_fragment(proxyFile);
 | |
| 
 | |
|   if (!methods_.empty())
 | |
|     proxyFile.oss << "%\n%-------Methods-------\n";
 | |
|   for(const Methods::value_type& name_m: methods_)
 | |
|     name_m.second.comment_fragment(proxyFile);
 | |
| 
 | |
|   if (!static_methods.empty())
 | |
|     proxyFile.oss << "%\n%-------Static Methods-------\n";
 | |
|   for(const StaticMethods::value_type& name_m: static_methods)
 | |
|     name_m.second.comment_fragment(proxyFile);
 | |
| 
 | |
|   if (hasSerialization) {
 | |
|     proxyFile.oss << "%\n%-------Serialization Interface-------\n";
 | |
|     proxyFile.oss << "%string_serialize() : returns string\n";
 | |
|     proxyFile.oss << "%string_deserialize(string serialized) : returns "
 | |
|         << name() << "\n";
 | |
|   }
 | |
| 
 | |
|   proxyFile.oss << "%\n";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::serialization_fragments(FileWriter& proxyFile,
 | |
|     FileWriter& wrapperFile, Str wrapperName,
 | |
|     vector<string>& functionNames) const {
 | |
| 
 | |
| //void Point3_string_serialize_17(int nargout, mxArray *out[], int nargin, const mxArray *in[])
 | |
| //{
 | |
| //  typedef boost::shared_ptr<Point3> Shared;
 | |
| //  checkArguments("string_serialize",nargout,nargin-1,0);
 | |
| //  Shared obj = unwrap_shared_ptr<Point3>(in[0], "ptr_Point3");
 | |
| //  ostringstream out_archive_stream;
 | |
| //  boost::archive::text_oarchive out_archive(out_archive_stream);
 | |
| //  out_archive << *obj;
 | |
| //  out[0] = wrap< string >(out_archive_stream.str());
 | |
| //}
 | |
| 
 | |
|   int serialize_id = functionNames.size();
 | |
|   const string matlabQualName = qualifiedName(".");
 | |
|   const string matlabUniqueName = qualifiedName();
 | |
|   const string cppClassName = qualifiedName("::");
 | |
|   const string wrapFunctionNameSerialize = matlabUniqueName
 | |
|       + "_string_serialize_" + boost::lexical_cast<string>(serialize_id);
 | |
|   functionNames.push_back(wrapFunctionNameSerialize);
 | |
| 
 | |
|   // call
 | |
|   //void Point3_string_serialize_17(int nargout, mxArray *out[], int nargin, const mxArray *in[])
 | |
|   wrapperFile.oss << "void " << wrapFunctionNameSerialize
 | |
|       << "(int nargout, mxArray *out[], int nargin, const mxArray *in[])\n";
 | |
|   wrapperFile.oss << "{\n";
 | |
|   wrapperFile.oss << "  typedef boost::shared_ptr<" << cppClassName
 | |
|       << "> Shared;" << endl;
 | |
| 
 | |
|   // check arguments - for serialize, no arguments
 | |
|   // example: checkArguments("string_serialize",nargout,nargin-1,0);
 | |
|   wrapperFile.oss
 | |
|       << "  checkArguments(\"string_serialize\",nargout,nargin-1,0);\n";
 | |
| 
 | |
|   // get class pointer
 | |
|   // example: Shared obj = unwrap_shared_ptr<Point3>(in[0], "ptr_Point3");
 | |
|   wrapperFile.oss << "  Shared obj = unwrap_shared_ptr<" << cppClassName
 | |
|       << ">(in[0], \"ptr_" << matlabUniqueName << "\");" << endl;
 | |
| 
 | |
|   // Serialization boilerplate
 | |
|   wrapperFile.oss << "  ostringstream out_archive_stream;\n";
 | |
|   wrapperFile.oss
 | |
|       << "  boost::archive::text_oarchive out_archive(out_archive_stream);\n";
 | |
|   wrapperFile.oss << "  out_archive << *obj;\n";
 | |
|   wrapperFile.oss << "  out[0] = wrap< string >(out_archive_stream.str());\n";
 | |
| 
 | |
|   // finish
 | |
|   wrapperFile.oss << "}\n";
 | |
| 
 | |
|   // Generate code for matlab function
 | |
| //  function varargout string_serialize(this, varargin)
 | |
| //  % STRING_SERIALIZE usage: string_serialize() : returns string
 | |
| //  % Doxygen can be found at http://research.cc.gatech.edu/borg/sites/edu.borg/html/index.html
 | |
| //    if length(varargin) == 0
 | |
| //      varargout{1} = geometry_wrapper(15, this, varargin{:});
 | |
| //    else
 | |
| //      error('Arguments do not match any overload of function Point3.string_serialize');
 | |
| //    end
 | |
| //  end
 | |
| 
 | |
|   proxyFile.oss
 | |
|       << "    function varargout = string_serialize(this, varargin)\n";
 | |
|   proxyFile.oss
 | |
|       << "      % STRING_SERIALIZE usage: string_serialize() : returns string\n";
 | |
|   proxyFile.oss
 | |
|       << "      % Doxygen can be found at http://research.cc.gatech.edu/borg/sites/edu.borg/html/index.html\n";
 | |
|   proxyFile.oss << "      if length(varargin) == 0\n";
 | |
|   proxyFile.oss << "        varargout{1} = " << wrapperName << "("
 | |
|       << boost::lexical_cast<string>(serialize_id) << ", this, varargin{:});\n";
 | |
|   proxyFile.oss << "      else\n";
 | |
|   proxyFile.oss
 | |
|       << "        error('Arguments do not match any overload of function "
 | |
|       << matlabQualName << ".string_serialize');\n";
 | |
|   proxyFile.oss << "      end\n";
 | |
|   proxyFile.oss << "    end\n\n";
 | |
| 
 | |
|   // Generate code for matlab save function
 | |
| //  function sobj = saveobj(obj)
 | |
| //    % SAVEOBJ Saves the object to a matlab-readable format
 | |
| //    sobj = obj.string_serialize();
 | |
| //  end
 | |
| 
 | |
|   proxyFile.oss << "    function sobj = saveobj(obj)\n";
 | |
|   proxyFile.oss
 | |
|       << "      % SAVEOBJ Saves the object to a matlab-readable format\n";
 | |
|   proxyFile.oss << "      sobj = obj.string_serialize();\n";
 | |
|   proxyFile.oss << "    end\n";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::deserialization_fragments(FileWriter& proxyFile,
 | |
|     FileWriter& wrapperFile, Str wrapperName,
 | |
|     vector<string>& functionNames) const {
 | |
|   //void Point3_string_deserialize_18(int nargout, mxArray *out[], int nargin, const mxArray *in[])
 | |
|   //{
 | |
|   //  typedef boost::shared_ptr<Point3> Shared;
 | |
|   //  checkArguments("Point3.string_deserialize",nargout,nargin,1);
 | |
|   //  string serialized = unwrap< string >(in[0]);
 | |
|   //  istringstream in_archive_stream(serialized);
 | |
|   //  boost::archive::text_iarchive in_archive(in_archive_stream);
 | |
|   //  Shared output(new Point3(0,0,0));
 | |
|   //  in_archive >> *output;
 | |
|   //  out[0] = wrap_shared_ptr(output,"Point3", false);
 | |
|   //}
 | |
|   int deserialize_id = functionNames.size();
 | |
|   const string matlabQualName = qualifiedName(".");
 | |
|   const string matlabUniqueName = qualifiedName();
 | |
|   const string cppClassName = qualifiedName("::");
 | |
|   const string wrapFunctionNameDeserialize = matlabUniqueName
 | |
|       + "_string_deserialize_" + boost::lexical_cast<string>(deserialize_id);
 | |
|   functionNames.push_back(wrapFunctionNameDeserialize);
 | |
| 
 | |
|   // call
 | |
|   wrapperFile.oss << "void " << wrapFunctionNameDeserialize
 | |
|       << "(int nargout, mxArray *out[], int nargin, const mxArray *in[])\n";
 | |
|   wrapperFile.oss << "{\n";
 | |
|   wrapperFile.oss << "  typedef boost::shared_ptr<" << cppClassName
 | |
|       << "> Shared;" << endl;
 | |
| 
 | |
|   // check arguments - for deserialize, 1 string argument
 | |
|   wrapperFile.oss << "  checkArguments(\"" << matlabUniqueName
 | |
|       << ".string_deserialize\",nargout,nargin,1);\n";
 | |
| 
 | |
|   // string argument with deserialization boilerplate
 | |
|   wrapperFile.oss << "  string serialized = unwrap< string >(in[0]);\n";
 | |
|   wrapperFile.oss << "  istringstream in_archive_stream(serialized);\n";
 | |
|   wrapperFile.oss
 | |
|       << "  boost::archive::text_iarchive in_archive(in_archive_stream);\n";
 | |
|   wrapperFile.oss << "  Shared output(new " << cppClassName << "());\n";
 | |
|   wrapperFile.oss << "  in_archive >> *output;\n";
 | |
|   wrapperFile.oss << "  out[0] = wrap_shared_ptr(output,\"" << matlabQualName
 | |
|       << "\", false);\n";
 | |
|   wrapperFile.oss << "}\n";
 | |
| 
 | |
|   // Generate matlab function
 | |
| //    function varargout = string_deserialize(varargin)
 | |
| //    % STRING_DESERIALIZE usage: string_deserialize() : returns Point3
 | |
| //    % Doxygen can be found at http://research.cc.gatech.edu/borg/sites/edu.borg/html/index.html
 | |
| //      if length(varargin) == 1
 | |
| //        varargout{1} = geometry_wrapper(18, varargin{:});
 | |
| //      else
 | |
| //        error('Arguments do not match any overload of function Point3.string_deserialize');
 | |
| //      end
 | |
| //    end
 | |
| 
 | |
|   proxyFile.oss << "    function varargout = string_deserialize(varargin)\n";
 | |
|   proxyFile.oss
 | |
|       << "      % STRING_DESERIALIZE usage: string_deserialize() : returns "
 | |
|       << matlabQualName << "\n";
 | |
|   proxyFile.oss
 | |
|       << "      % Doxygen can be found at http://research.cc.gatech.edu/borg/sites/edu.borg/html/index.html\n";
 | |
|   proxyFile.oss << "      if length(varargin) == 1\n";
 | |
|   proxyFile.oss << "        varargout{1} = " << wrapperName << "("
 | |
|       << boost::lexical_cast<string>(deserialize_id) << ", varargin{:});\n";
 | |
|   proxyFile.oss << "      else\n";
 | |
|   proxyFile.oss
 | |
|       << "        error('Arguments do not match any overload of function "
 | |
|       << matlabQualName << ".string_deserialize');\n";
 | |
|   proxyFile.oss << "      end\n";
 | |
|   proxyFile.oss << "    end\n\n";
 | |
| 
 | |
|   // Generate matlab load function
 | |
| //    function obj = loadobj(sobj)
 | |
| //      % LOADOBJ Saves the object to a matlab-readable format
 | |
| //      obj = Point3.string_deserialize(sobj);
 | |
| //    end
 | |
| 
 | |
|   proxyFile.oss << "    function obj = loadobj(sobj)\n";
 | |
|   proxyFile.oss
 | |
|       << "      % LOADOBJ Saves the object to a matlab-readable format\n";
 | |
|   proxyFile.oss << "      obj = " << matlabQualName
 | |
|       << ".string_deserialize(sobj);\n";
 | |
|   proxyFile.oss << "    end" << endl;
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| string Class::getSerializationExport() const {
 | |
|   //BOOST_CLASS_EXPORT_GUID(gtsam::SharedDiagonal, "gtsamSharedDiagonal");
 | |
|   return "BOOST_CLASS_EXPORT_GUID(" + qualifiedName("::") + ", \""
 | |
|       + qualifiedName() + "\");";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::python_wrapper(FileWriter& wrapperFile) const {
 | |
|   wrapperFile.oss << "class_<" << name() << ">(\"" << name() << "\")\n";
 | |
|   constructor.python_wrapper(wrapperFile, name());
 | |
|   for(const StaticMethod& m: static_methods | boost::adaptors::map_values)
 | |
|     m.python_wrapper(wrapperFile, name());
 | |
|   for(const Method& m: methods_ | boost::adaptors::map_values)
 | |
|     m.python_wrapper(wrapperFile, name());
 | |
|   wrapperFile.oss << ";\n\n";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::emit_cython_pxd(FileWriter& pxdFile) const {
 | |
|   pxdFile.oss << "cdef extern from \"" << includeFile << "\"";
 | |
|   string ns = qualifiedNamespaces("::");
 | |
|   if (!ns.empty())
 | |
|     pxdFile.oss << " namespace \"" << ns << "\"";
 | |
|   pxdFile.oss << ":" << endl;
 | |
|   pxdFile.oss << "    cdef cppclass " << pxdClassName() << " \"" << qualifiedName("::") << "\"";
 | |
|   if (templateArgs.size()>0) {
 | |
|     pxdFile.oss << "[";
 | |
|     for(size_t i = 0; i<templateArgs.size(); ++i) {
 | |
|       pxdFile.oss << templateArgs[i];
 | |
|       if (i<templateArgs.size()-1) pxdFile.oss << ",";
 | |
|     }
 | |
|     pxdFile.oss << "]";
 | |
|   }
 | |
|   if (parentClass) pxdFile.oss << "(" <<  parentClass->pxdClassName() << ")";
 | |
|   pxdFile.oss << ":\n";
 | |
| 
 | |
|   constructor.emit_cython_pxd(pxdFile, *this);
 | |
|   if (constructor.nrOverloads()>0) pxdFile.oss << "\n";
 | |
| 
 | |
|   for(const StaticMethod& m: static_methods | boost::adaptors::map_values)
 | |
|     m.emit_cython_pxd(pxdFile, *this);
 | |
|   if (static_methods.size()>0) pxdFile.oss << "\n";
 | |
| 
 | |
|   for(const Method& m: nontemplateMethods_ | boost::adaptors::map_values)
 | |
|     m.emit_cython_pxd(pxdFile, *this);
 | |
| 
 | |
|   for(const TemplateMethod& m: templateMethods_ | boost::adaptors::map_values)
 | |
|     m.emit_cython_pxd(pxdFile, *this);
 | |
|   size_t numMethods = constructor.nrOverloads() + static_methods.size() +
 | |
|                       methods_.size() + templateMethods_.size();
 | |
|   if (numMethods == 0)
 | |
|       pxdFile.oss << "        pass\n";
 | |
| }
 | |
| /* ************************************************************************* */
 | |
| void Class::emit_cython_wrapper_pxd(FileWriter& pxdFile) const {
 | |
|   pxdFile.oss << "\ncdef class " << pyxClassName();
 | |
|   if (getParent())
 | |
|     pxdFile.oss << "(" << getParent()->pyxClassName() << ")";
 | |
|   pxdFile.oss << ":\n";
 | |
|   pxdFile.oss << "    cdef " << shared_pxd_class_in_pyx() << " "
 | |
|       << shared_pxd_obj_in_pyx() << "\n";
 | |
|   // cyCreateFromShared
 | |
|   pxdFile.oss << "    @staticmethod\n";
 | |
|   pxdFile.oss << "    cdef " << pyxClassName() << " cyCreateFromShared(const "
 | |
|       << shared_pxd_class_in_pyx() << "& other)\n";
 | |
|   for(const StaticMethod& m: static_methods | boost::adaptors::map_values)
 | |
|     m.emit_cython_wrapper_pxd(pxdFile, *this);
 | |
|   if (static_methods.size()>0) pxdFile.oss << "\n";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::pyxInitParentObj(FileWriter& pyxFile, const std::string& pyObj,
 | |
|                              const std::string& cySharedObj,
 | |
|                              const std::vector<Class>& allClasses) const {
 | |
|     if (parentClass) {
 | |
|       pyxFile.oss << pyObj << "." << parentClass->shared_pxd_obj_in_pyx() << " = "
 | |
|                   << "<" << parentClass->shared_pxd_class_in_pyx() << ">("
 | |
|                   << cySharedObj << ")\n";
 | |
|       // Find the parent class with name "parentClass" and point its cython obj
 | |
|       // to the same pointer
 | |
|       auto parent_it = find_if(allClasses.begin(), allClasses.end(),
 | |
|                                [this](const Class& cls) {
 | |
|                                    return cls.pxdClassName() ==
 | |
|                                           this->parentClass->pxdClassName();
 | |
|                                });
 | |
|       if (parent_it == allClasses.end()) {
 | |
|           cerr << "Can't find parent class: " << parentClass->pxdClassName();
 | |
|         throw std::runtime_error("Parent class not found!");
 | |
|       }
 | |
|       parent_it->pyxInitParentObj(pyxFile, pyObj, cySharedObj, allClasses);
 | |
|   }
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::pyxDynamicCast(FileWriter& pyxFile, const Class& curLevel,
 | |
|                            const std::vector<Class>& allClasses) const {
 | |
|   std::string me = this->pyxClassName(), sharedMe = this->shared_pxd_class_in_pyx();
 | |
|   if (curLevel.parentClass) {
 | |
|     std::string parent = curLevel.parentClass->pyxClassName(),
 | |
|                 parentObj = curLevel.parentClass->shared_pxd_obj_in_pyx(),
 | |
|                 parentCythonClass = curLevel.parentClass->pxd_class_in_pyx();
 | |
|     pyxFile.oss << "def dynamic_cast_" << me << "_" << parent << "(" << parent
 | |
|                 << " parent):\n";
 | |
|     pyxFile.oss << "    try:\n";
 | |
|     pyxFile.oss << "        return " << me << ".cyCreateFromShared(<" << sharedMe
 | |
|                 << ">dynamic_pointer_cast[" << pxd_class_in_pyx() << ","
 | |
|                 << parentCythonClass << "](parent." << parentObj
 | |
|                 << "))\n";
 | |
|     pyxFile.oss << "    except:\n";
 | |
|     pyxFile.oss << "        raise TypeError('dynamic cast failed!')\n";
 | |
|     // Move up higher to one level: Find the parent class with name "parentClass"
 | |
|     auto parent_it = find_if(allClasses.begin(), allClasses.end(),
 | |
|                              [&curLevel](const Class& cls) {
 | |
|                                  return cls.pxdClassName() ==
 | |
|                                         curLevel.parentClass->pxdClassName();
 | |
|                              });
 | |
|     if (parent_it == allClasses.end()) {
 | |
|         cerr << "Can't find parent class: " << parentClass->pxdClassName();
 | |
|       throw std::runtime_error("Parent class not found!");
 | |
|     }
 | |
|     pyxDynamicCast(pyxFile, *parent_it, allClasses);
 | |
|   }
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 | |
| void Class::emit_cython_pyx(FileWriter& pyxFile, const std::vector<Class>& allClasses) const {
 | |
|   pyxFile.oss << "cdef class " << pyxClassName();
 | |
|   if (parentClass) pyxFile.oss << "(" <<  parentClass->pyxClassName() << ")";
 | |
|   pyxFile.oss << ":\n";
 | |
| 
 | |
|   // __init___
 | |
|   pyxFile.oss << "    def __init__(self, *args, **kwargs):\n";
 | |
|   pyxFile.oss << "        cdef list __params\n";
 | |
|   pyxFile.oss << "        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";
 | |
| 
 | |
|   // Constructors
 | |
|   constructor.emit_cython_pyx(pyxFile, *this);
 | |
|   pyxFile.oss << "        if (self." << shared_pxd_obj_in_pyx() << ".use_count()==0):\n";
 | |
|   pyxFile.oss << "            raise TypeError('" << pyxClassName()
 | |
|       << " construction failed!')\n";
 | |
|   pyxInitParentObj(pyxFile, "        self", "self." + shared_pxd_obj_in_pyx(), allClasses);
 | |
|   pyxFile.oss << "\n";
 | |
| 
 | |
|   // cyCreateFromShared
 | |
|   pyxFile.oss << "    @staticmethod\n";
 | |
|   pyxFile.oss << "    cdef " << pyxClassName() << " cyCreateFromShared(const "
 | |
|               << shared_pxd_class_in_pyx() << "& other):\n"
 | |
|               << "        if other.get() == NULL:\n"
 | |
|               << "            raise RuntimeError('Cannot create object from a nullptr!')\n"
 | |
|               << "        cdef " << pyxClassName() << " return_value = " << pyxClassName() << "(cyCreateFromShared=True)\n"
 | |
|               << "        return_value." << shared_pxd_obj_in_pyx() << " = other\n";
 | |
|   pyxInitParentObj(pyxFile, "        return_value", "other", allClasses);
 | |
|   pyxFile.oss << "        return return_value" << "\n\n";
 | |
| 
 | |
|   for(const StaticMethod& m: static_methods | boost::adaptors::map_values)
 | |
|     m.emit_cython_pyx(pyxFile, *this);
 | |
|   if (static_methods.size()>0) pyxFile.oss << "\n";
 | |
| 
 | |
|   for(const Method& m: methods_ | boost::adaptors::map_values)
 | |
|     m.emit_cython_pyx(pyxFile, *this);
 | |
| 
 | |
|   pyxDynamicCast(pyxFile, *this, allClasses);
 | |
| 
 | |
|   pyxFile.oss << "\n\n";
 | |
| }
 | |
| 
 | |
| /* ************************************************************************* */
 |