nanobind_generator.cpp File Reference

#include <set>
#include "header_generator.h"
#include "nanobind_generator.h"
#include "phoenix_color.h"
#include "openFileStream.h"

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Functions
bool	generator_nanobind_class (const PNanobindTraitBackendManager &manager, PPath &baseFileName, const PPath &sourceFile, const PPath &headerFile, const PVecPath &extraInclude, const PVecClassConfig &vecClassConfig, const GeneratorMode &mode)
	Generate nanobind wrapper class.
bool	generator_nanobind_full (const PNanobindTraitBackendManager &manager, const ProjectParam &projectParam)
	Generate the full sources and related unit tests from configuration.
bool	generator_nanobind_test (const PNanobindTraitBackendManager &manager, const PPath &outputTestDir, const std::vector< PClassConfig > &vecClassConfig, const PString &projectName, const PPath &baseFileName, const GeneratorMode &mode)

Function Documentation

generator_nanobind_class()

bool generator_nanobind_class	(	const PNanobindTraitBackendManager &	manager,
		PPath &	baseFileName,
		const PPath &	sourceFile,
		const PPath &	headerFile,
		const PVecPath &	extraInclude,
		const PVecClassConfig &	vecClassConfig,
		const GeneratorMode &	mode )

Generate nanobind wrapper class.

Parameters

manager	: PTraitBackendManager which handles all trait backend
baseFileName	: base file name to be used (without path and extension)
sourceFile	: source file to be saved
headerFile	: header to be used with this source file
extraInclude	: extra include to be added in the source file
vecClassConfig	: vector of configuration of the classes to be used
mode	: mode of the generator

Returns

true on success, false otherwise

Definition at line 23 of file nanobind_generator.cpp.

                                                                                                                                                                                                                                                 {
        if(baseFileName == ""){
                std::cerr << termRed() << "generator_class_cpp : baseFileName is empty" << termDefault() << std::endl;
                return false;
        }
        std::ofstream fs;
        if(!openFileStream(fs, sourceFile)){return false;}
        licenceSave(fs);
        fs << std::endl << "#include \"" << headerFile.getFileName() << "\"" << std::endl << std::endl;
        fs << "#include <nanobind/nanobind.h>" << std::endl;
        std::set<std::string> extraIncludes;
        for (std::vector<PClassConfig>::const_iterator it(vecClassConfig.begin()); it != vecClassConfig.end(); ++it){
                manager.headerExtraInclude(extraIncludes, *it, mode);
        }
        for (const std::string & include : extraIncludes){
                fs << include << std::endl;
        }
        fs << "\nnamespace nb = nanobind;" << std::endl << std::endl;
        PString fileModuleName = baseFileName.toLower() + "_module";
        fs << "NB_MODULE(" << fileModuleName << ", m) {" << std::endl;
        fs << "\tm.doc() = \"Nanobind bindings for " << baseFileName << " classes\";\n" << std::endl;
 
        for (std::vector<PClassConfig>::const_iterator it(vecClassConfig.begin()); it != vecClassConfig.end(); ++it){
                fs << "\tnb::class_<" << it->getName() << ">(m, \"" << it->getName() << "\")" << std::endl;
                fs << "\t\t//Attributes" << std::endl;
                manager.registerProperty(fs, *it, mode);
                manager.registerConstructor(fs, *it, mode);
                manager.registerStaticMethod(fs, *it, mode);
                
                manager.registerMethod(fs, *it, mode);
                fs << ";" << std::endl << std::endl;
 
        }
        fs << "}" << std::endl; // Close NB_MODULE
        fs.close();
        return true;
}

References PNanobindTraitBackendManager::headerExtraInclude(), licenceSave(), PNanobindTraitBackendManager::registerConstructor(), PNanobindTraitBackendManager::registerMethod(), PNanobindTraitBackendManager::registerProperty(), and PNanobindTraitBackendManager::registerStaticMethod().

Referenced by generator_nanobind_full().

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generator_nanobind_full()

bool generator_nanobind_full	(	const PNanobindTraitBackendManager &	manager,
		const ProjectParam &	projectParam )

Generate the full sources and related unit tests from configuration.

Parameters

manager	: PTraitBackendManager which handles all trait backend
projectParam	: description of classes and how and where to generate sources and test

Returns

true on success, false otherwise

Definition at line 83 of file nanobind_generator.cpp.

{
        bool b(true);
        b &= projectParam.outputSourceDir.createDirectory();
        b &= projectParam.outputTestDir.createDirectory();
        const PVecDataConfig & vecDataConfig = projectParam.vecDataConfig;
 
        for(const PDataConfig & config : vecDataConfig){
                const PVecPath & extraInclude = config.getVecInclude();
                PPath baseFileName = config.getFileName().getFileName().eraseExtension();
                PPath headerFile = projectParam.outputSourceDir / PPath(baseFileName + ".h");
                PPath sourceFile = projectParam.outputSourceDir / PPath(baseFileName + "_binding.cpp");
                if(!generator_nanobind_class(manager, baseFileName, sourceFile, headerFile, extraInclude, config.getVecClassConfig(), projectParam.mode)){
                        std::cerr << termRed() << "generator_nanobind_full : cannot generate nanobind sources at '"<<projectParam.outputSourceDir<<"'" << termDefault() << std::endl;
                        b = false;      //best effort strategy
                }
                PPath outputCurrentTestDir = projectParam.outputTestDir / PPath("TEST_PYTHON_BINDINGS");
                if(!generator_nanobind_test(manager, outputCurrentTestDir, config.getVecClassConfig(), projectParam.name, baseFileName, projectParam.mode)){
                        std::cerr << termRed() << "generator_nanobind_full : cannot generate nanobind tests at '"<<projectParam.outputTestDir<<"'" << termDefault() << std::endl;
                        b = false;      //best effort strategy
                }
        }
        return b;
}

References generator_nanobind_class(), generator_nanobind_test(), ProjectParam::mode, ProjectParam::name, ProjectParam::outputSourceDir, ProjectParam::outputTestDir, and ProjectParam::vecDataConfig.

Referenced by generateNanobindClassesFull().

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generator_nanobind_test()

bool generator_nanobind_test	(	const PNanobindTraitBackendManager &	manager,
		const PPath &	outputTestDir,
		const std::vector< PClassConfig > &	vecClassConfig,
		const PString &	projectName,
		const PPath &	baseFileName,
		const GeneratorMode &	mode )

Definition at line 61 of file nanobind_generator.cpp.

                                                                                                                                                                                                                                            {
        for(std::vector<PClassConfig>::const_iterator it(vecClassConfig.begin()); it != vecClassConfig.end(); ++it){
                PString name = it->getName();
                PPath outputCurrentTestDir(outputTestDir + PString("/TEST_") + name.toUpper() + "_BINDINGS");
                if(!outputCurrentTestDir.createDirectory()){
                        std::cerr << "generator_class_test : cannot create TEST directory '"<<outputCurrentTestDir<<"'" << std::endl;
                        return false;
                }
                std::ofstream fs;
                if(!openFileStream(fs, PPath(outputCurrentTestDir + PString("/test_") + name + "_binding.py"))){return false;}
                manager.headerTestInclude(fs, mode, baseFileName);
                manager.testFunction(fs, *it, mode, baseFileName);
                fs.close();
        }
        return true;
}

References PNanobindTraitBackendManager::headerTestInclude(), and PNanobindTraitBackendManager::testFunction().

Referenced by generator_nanobind_full().

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