144 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			144 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
| /**
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|  * @file GlobalFunction.cpp
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|  *
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|  * @date Jul 22, 2012
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|  * @author Alex Cunningham
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|  */
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| 
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| #include "GlobalFunction.h"
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| #include "utilities.h"
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| 
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| #include <boost/foreach.hpp>
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| #include <boost/lexical_cast.hpp>
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| 
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| namespace wrap {
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| 
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| using namespace std;
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| 
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| /* ************************************************************************* */
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| void GlobalFunction::addOverload(bool verbose, const std::string& name,
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|     const ArgumentList& args, const ReturnValue& retVal,
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|     const StrVec& ns_stack) {
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|   this->verbose_ = verbose;
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|   this->name = name;
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|   this->argLists.push_back(args);
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|   this->returnVals.push_back(retVal);
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|   this->namespaces.push_back(ns_stack);
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| }
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| 
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| /* ************************************************************************* */
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| void GlobalFunction::matlab_proxy(const std::string& toolboxPath,
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|     const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
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|     FileWriter& file, std::vector<std::string>& functionNames) const {
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| 
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|   // cluster overloads with same namespace
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|   // create new GlobalFunction structures around namespaces - same namespaces and names are overloads
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|   // map of namespace to global function
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|   typedef map<string, GlobalFunction> GlobalFunctionMap;
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|   GlobalFunctionMap grouped_functions;
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|   for (size_t i = 0; i < namespaces.size(); ++i) {
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|     StrVec ns = namespaces.at(i);
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|     string str_ns = qualifiedName("", ns, "");
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|     ReturnValue ret = returnVals.at(i);
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|     ArgumentList args = argLists.at(i);
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| 
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|     if (!grouped_functions.count(str_ns))
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|       grouped_functions[str_ns] = GlobalFunction(name, verbose_);
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| 
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|     grouped_functions[str_ns].argLists.push_back(args);
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|     grouped_functions[str_ns].returnVals.push_back(ret);
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|     grouped_functions[str_ns].namespaces.push_back(ns);
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|   }
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| 
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|   size_t lastcheck = grouped_functions.size();
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|   BOOST_FOREACH(const GlobalFunctionMap::value_type& p, grouped_functions) {
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|     p.second.generateSingleFunction(toolboxPath, wrapperName, typeAttributes,
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|         file, functionNames);
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|     if (--lastcheck != 0)
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|       file.oss << endl;
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|   }
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| }
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| 
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| /* ************************************************************************* */
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| void GlobalFunction::generateSingleFunction(const std::string& toolboxPath,
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|     const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
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|     FileWriter& file, std::vector<std::string>& functionNames) const {
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| 
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|   // create the folder for the namespace
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|   const StrVec& ns = namespaces.front();
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|   createNamespaceStructure(ns, toolboxPath);
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| 
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|   // open destination mfunctionFileName
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|   string mfunctionFileName = toolboxPath;
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|   if (!ns.empty())
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|     mfunctionFileName += "/+" + wrap::qualifiedName("/+", ns);
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|   mfunctionFileName += "/" + name + ".m";
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|   FileWriter mfunctionFile(mfunctionFileName, verbose_, "%");
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| 
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|   // get the name of actual matlab object
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|   const string matlabQualName = qualifiedName(".", ns, name), matlabUniqueName =
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|       qualifiedName("", ns, name), cppName = qualifiedName("::", ns, name);
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| 
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|   mfunctionFile.oss << "function varargout = " << name << "(varargin)\n";
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| 
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|   for (size_t overload = 0; overload < argLists.size(); ++overload) {
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|     const ArgumentList& args = argLists[overload];
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|     const ReturnValue& returnVal = returnVals[overload];
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| 
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|     const int id = functionNames.size();
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| 
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|     // Output proxy matlab code
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|     mfunctionFile.oss << "      " << (overload == 0 ? "" : "else");
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|     argLists[overload].emit_conditional_call(mfunctionFile,
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|         returnVals[overload], wrapperName, id, true); // true omits "this"
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| 
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|     // Output C++ wrapper code
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| 
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|     const string wrapFunctionName = matlabUniqueName + "_"
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|         + boost::lexical_cast<string>(id);
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| 
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|     // call
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|     file.oss << "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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|     file.oss << "{\n";
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| 
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|     returnVal.wrapTypeUnwrap(file);
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| 
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|     // check arguments
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|     // NOTE: for static functions, there is no object passed
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|     file.oss << "  checkArguments(\"" << matlabUniqueName
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|         << "\",nargout,nargin," << args.size() << ");\n";
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| 
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|     // unwrap arguments, see Argument.cpp
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|     args.matlab_unwrap(file, 0); // We start at 0 because there is no self object
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| 
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|     // call method with default type and wrap result
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|     if (returnVal.type1 != "void")
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|       returnVal.wrap_result(cppName + "(" + args.names() + ")", file,
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|           typeAttributes);
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|     else
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|       file.oss << cppName + "(" + args.names() + ");\n";
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| 
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|     // finish
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|     file.oss << "}\n";
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| 
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|     // Add to function list
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|     functionNames.push_back(wrapFunctionName);
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|   }
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| 
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|   mfunctionFile.oss << "      else\n";
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|   mfunctionFile.oss
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|       << "        error('Arguments do not match any overload of function "
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|       << matlabQualName << "');" << endl;
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|   mfunctionFile.oss << "      end" << endl;
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| 
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|   // Close file
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|   mfunctionFile.emit(true);
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| }
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| 
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| /* ************************************************************************* */
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| 
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| } // \namespace wrap
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| 
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