126 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
/**
 | 
						|
 * @file GlobalFunction.h
 | 
						|
 *
 | 
						|
 * @brief Implements codegen for a global function wrapped in matlab
 | 
						|
 * 
 | 
						|
 * @date Jul 22, 2012
 | 
						|
 * @author Alex Cunningham
 | 
						|
 */
 | 
						|
 | 
						|
#pragma once
 | 
						|
 | 
						|
#include "FullyOverloadedFunction.h"
 | 
						|
 | 
						|
#ifdef __GNUC__
 | 
						|
#pragma GCC diagnostic push
 | 
						|
#pragma GCC diagnostic ignored "-Wunused-variable"
 | 
						|
#endif
 | 
						|
#include <boost/lambda/bind.hpp>
 | 
						|
#include <boost/lambda/lambda.hpp>
 | 
						|
#ifdef __GNUC__
 | 
						|
#pragma GCC diagnostic pop
 | 
						|
#endif
 | 
						|
 | 
						|
namespace bl = boost::lambda;
 | 
						|
 | 
						|
namespace wrap {
 | 
						|
 | 
						|
struct GlobalFunction: public FullyOverloadedFunction {
 | 
						|
 | 
						|
  std::vector<Qualified> overloads; ///< Stack of qualified names
 | 
						|
 | 
						|
  // adds an overloaded version of this function,
 | 
						|
  void addOverload(const Qualified& overload, const ArgumentList& args,
 | 
						|
      const ReturnValue& retVal, boost::optional<const Qualified> instName =
 | 
						|
          boost::none, bool verbose = false);
 | 
						|
 | 
						|
  void verifyArguments(const std::vector<std::string>& validArgs) const {
 | 
						|
    SignatureOverloads::verifyArguments(validArgs, name_);
 | 
						|
  }
 | 
						|
 | 
						|
  void verifyReturnTypes(const std::vector<std::string>& validtypes) const {
 | 
						|
    SignatureOverloads::verifyReturnTypes(validtypes, name_);
 | 
						|
  }
 | 
						|
 | 
						|
  // codegen function called from Module to build the cpp and matlab versions of the function
 | 
						|
  void matlab_proxy(const std::string& toolboxPath,
 | 
						|
      const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
 | 
						|
      FileWriter& file, std::vector<std::string>& functionNames) const;
 | 
						|
 | 
						|
  // emit python wrapper
 | 
						|
  void python_wrapper(FileWriter& wrapperFile) const;
 | 
						|
 | 
						|
private:
 | 
						|
 | 
						|
  // Creates a single global function - all in same namespace
 | 
						|
  void generateSingleFunction(const std::string& toolboxPath,
 | 
						|
      const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
 | 
						|
      FileWriter& file, std::vector<std::string>& functionNames) const;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
typedef std::map<std::string, GlobalFunction> GlobalFunctions;
 | 
						|
 | 
						|
/* ************************************************************************* */
 | 
						|
// http://boost-spirit.com/distrib/spirit_1_8_2/libs/spirit/doc/grammar.html
 | 
						|
struct GlobalFunctionGrammar: public classic::grammar<GlobalFunctionGrammar> {
 | 
						|
 | 
						|
  GlobalFunctions& global_functions_; ///< successful parse will be placed in here
 | 
						|
  std::vector<std::string>& namespaces_;
 | 
						|
 | 
						|
  /// Construct type grammar and specify where result is placed
 | 
						|
  GlobalFunctionGrammar(GlobalFunctions& global_functions,
 | 
						|
      std::vector<std::string>& namespaces) :
 | 
						|
      global_functions_(global_functions), namespaces_(namespaces) {
 | 
						|
  }
 | 
						|
 | 
						|
  /// Definition of type grammar
 | 
						|
  template<typename ScannerT>
 | 
						|
  struct definition: BasicRules<ScannerT> {
 | 
						|
 | 
						|
//    using BasicRules<ScannerT>::name_p;
 | 
						|
//    using BasicRules<ScannerT>::className_p;
 | 
						|
    using BasicRules<ScannerT>::comments_p;
 | 
						|
 | 
						|
    ArgumentList args;
 | 
						|
    ArgumentListGrammar argumentList_g;
 | 
						|
 | 
						|
    ReturnValue retVal0, retVal;
 | 
						|
    ReturnValueGrammar returnValue_g;
 | 
						|
 | 
						|
    Qualified globalFunction;
 | 
						|
 | 
						|
    classic::rule<ScannerT> globalFunctionName_p, global_function_p;
 | 
						|
 | 
						|
    definition(GlobalFunctionGrammar const& self) :
 | 
						|
        argumentList_g(args), returnValue_g(retVal) {
 | 
						|
 | 
						|
      using namespace classic;
 | 
						|
      bool verbose = false; // TODO
 | 
						|
 | 
						|
      globalFunctionName_p = lexeme_d[(upper_p | lower_p) >> *(alnum_p | '_')];
 | 
						|
 | 
						|
      // parse a global function
 | 
						|
      global_function_p = (returnValue_g
 | 
						|
          >> globalFunctionName_p[assign_a(globalFunction.name_)]
 | 
						|
          >> argumentList_g >> ';' >> *comments_p) //
 | 
						|
          [assign_a(globalFunction.namespaces_, self.namespaces_)][bl::bind(
 | 
						|
              &GlobalFunction::addOverload,
 | 
						|
              bl::var(self.global_functions_)[bl::var(globalFunction.name_)],
 | 
						|
              bl::var(globalFunction), bl::var(args), bl::var(retVal),
 | 
						|
              boost::none, verbose)] //
 | 
						|
          [assign_a(retVal, retVal0)][clear_a(globalFunction)][clear_a(args)];
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    classic::rule<ScannerT> const& start() const {
 | 
						|
      return global_function_p;
 | 
						|
    }
 | 
						|
 | 
						|
  };
 | 
						|
};
 | 
						|
// GlobalFunctionGrammar
 | 
						|
 | 
						|
}// \namespace wrap
 | 
						|
 |