backend.cpp File Reference

#include "backend.h"

Include dependency graph for backend.cpp:

Go to the source code of this file.

Functions
bool	cpp_backend (PSource &source, const PString &libName, const PPath &outputDir)
	Save a vector of PSource in the output directory.
bool	cpp_backend (PVecSource &vecSource, const PString &libName, const PPath &outputDir)
	Save a vector of PSource in the output directory.
PString	cpp_backendHeader (PSource &source)
	Save the header of the given PSource.
PString	cpp_backendSource (PSource &source, const PString &libName)
	Save the source of the given PSource.
PString	cpp_backendTableHeaderHandleType (PFunction &function)
	Save the function prototype as an inline function.
PString	cpp_backendTableHeaderInline (PFunction &function)
	Save the function prototype as an inline function.
PString	cpp_licenceSaveStr ()
	Get the licence in string.
PString	getHandleFunction (const PString &functionName)
	Get the handle name of the given function.
PString	getHandleFunctionType (const PString &functionName)
	Get the handle type name of the given function.
PString	getMangleFunctionName (const PString &libraryName, const PString &functionName)
	Get the mangled name of the given function name.
PString	getUpdateFunction (const PPath &fileName)
	Get the update type name of the given file.

Function Documentation

cpp_backend() [1/2]

bool cpp_backend	(	PSource &	source,
		const PString &	libName,
		const PPath &	outputDir )

Save a vector of PSource in the output directory.

Parameters

source	: source to be saved
libName	: filename to a binary library
outputDir	: output directory where to save PSource

Returns

true on success, false otherwise

Definition at line 190 of file backend.cpp.

                                                                                    {
        PString headerSrc(cpp_backendHeader(source));
        PString sourceSrc(cpp_backendSource(source, libName));
        PPath baseFileName(source.getName().eraseExtension());
        PPath outputHeaderFile(outputDir / baseFileName + PString(".h"));
        PPath outputSourceFile(outputDir / baseFileName + PString(".cpp"));
        if(!outputHeaderFile.saveFileContent(headerSrc)){
                std::cerr << "cpp_backend : cannot save header file '"<<outputHeaderFile<<"'" << std::endl;
                return false;
        }
        std::cout << "cpp_backend : create header file '"<<outputHeaderFile<<"'" <<std::endl;
        if(!outputSourceFile.saveFileContent(sourceSrc)){
                std::cerr << "cpp_backend : cannot save source file '"<<outputSourceFile<<"'" << std::endl;
                return false;
        }
        std::cout << "cpp_backend : create source file '"<<outputSourceFile<<"'" <<std::endl;
        return true;
}

References cpp_backendHeader(), cpp_backendSource(), and PSource::getName().

Referenced by cpp_backend(), and createSourceFromConfig().

Here is the call graph for this function:

Here is the caller graph for this function:

cpp_backend() [2/2]

bool cpp_backend	(	PVecSource &	vecSource,
		const PString &	libName,
		const PPath &	outputDir )

Save a vector of PSource in the output directory.

Parameters

vecSource	: vector of source
libName	: filename to a binary library
outputDir	: output directory where to save PSource

Returns

true on success, false otherwise

Definition at line 215 of file backend.cpp.

                                                                                          {
        bool b(true);
        for(PVecSource::iterator it(vecSource.begin()); it != vecSource.end(); ++it){
                b &= cpp_backend(*it, libName, outputDir);
        }
        return b;
}

References cpp_backend().

Here is the call graph for this function:

cpp_backendHeader()

PString cpp_backendHeader

(

PSource &

source

)

Save the header of the given PSource.

Parameters

source

: PSource to be used

Returns

corresponding string

Definition at line 107 of file backend.cpp.

                                           {
        PString body(cpp_licenceSaveStr());
        PString baseMacro("__" + source.getName().eraseExtension().toUpper() + "_PROXY_H__");
        body += "#ifndef " + baseMacro + "\n";
        body += "#define " + baseMacro + "\n\n";
        body += "#include <iostream>\n\n\n";
        PVecFunction & vecFunction = source.getVecFunction();
        for(PVecFunction::iterator it(vecFunction.begin()); it != vecFunction.end(); ++it){
                body += cpp_backendTableHeaderHandleType(*it);
        }
        body += "\n\n";
        for(PVecFunction::iterator it(vecFunction.begin()); it != vecFunction.end(); ++it){
                if(!repr_isFunction(*it)){continue;}
                body += "extern " + getHandleFunctionType(it->getName()) + " " + getHandleFunction(it->getName()) + ";\n";
        }
        body += "\n\n";
        for(PVecFunction::iterator it(vecFunction.begin()); it != vecFunction.end(); ++it){
                body += cpp_backendTableHeaderInline(*it);
        }
        body += "void " + getUpdateFunction(source.getName()) + "(void * handle);\n\n";
        
        body += "#endif\n\n";
        return body;
}

References cpp_backendTableHeaderHandleType(), cpp_backendTableHeaderInline(), cpp_licenceSaveStr(), getHandleFunction(), getHandleFunctionType(), PSource::getName(), getUpdateFunction(), PSource::getVecFunction(), and repr_isFunction().

Referenced by cpp_backend().

Here is the call graph for this function:

Here is the caller graph for this function:

cpp_backendSource()

PString cpp_backendSource	(	PSource &	source,
		const PString &	libName )

Save the source of the given PSource.

Parameters

source	: PSource to be used
libName	: filename to a binary library

Returns

corresponding string

Definition at line 158 of file backend.cpp.

                                                                    {
        PString body(cpp_licenceSaveStr());
        body += "#include <stdio.h>\n";
        body += "#include <stdlib.h>\n";
        body += "#include <dlfcn.h>\n\n";
        body += "#include \""+source.getName().eraseExtension()+".h\"\n\n";
        
        PVecFunction & vecFunction = source.getVecFunction();
        for(PVecFunction::iterator it(vecFunction.begin()); it != vecFunction.end(); ++it){
                if(!repr_isFunction(*it)){continue;}
                body += getHandleFunctionType(it->getName()) + " " + getHandleFunction(it->getName()) + ";\n";
        }
        body += "\n\n";
        body += "///Update the all the function handles of the file\n";
        body += "/**\t@param handle : pointer to loaded library\n";
        body += "*/\n";
        body += "void " + getUpdateFunction(source.getName()) + "(void * handle){\n";
        for(PVecFunction::iterator it(vecFunction.begin()); it != vecFunction.end(); ++it){
                if(!repr_isFunction(*it)){continue;}
                PString mangleFunction(getMangleFunctionName(libName, it->getName()));
                body += "\t"+getHandleFunction(it->getName())+" = ("+getHandleFunctionType(it->getName())+")(dlsym(handle,  \""+mangleFunction+"\"));\n";
        }
        body += "}\n\n";
        return body;
}

References cpp_licenceSaveStr(), getHandleFunction(), getHandleFunctionType(), getMangleFunctionName(), PSource::getName(), getUpdateFunction(), PSource::getVecFunction(), and repr_isFunction().

Referenced by cpp_backend().

Here is the call graph for this function:

Here is the caller graph for this function:

cpp_backendTableHeaderHandleType()

PString cpp_backendTableHeaderHandleType

(

PFunction &

function

)

Save the function prototype as an inline function.

Parameters

function

: PFunction to be used

Returns

corresponding string

Definition at line 87 of file backend.cpp.

                                                              {
        if(!repr_isFunction(function)){return "";}
        PString body("");
        body += "typedef " + function.getOutputType() + "(*" + getHandleFunctionType(function.getName()) + ")(";
        bool isComma(false);
        PVecArgument & vecArg = function.getVecArgument();
        for(PVecArgument::iterator it(vecArg.begin()); it != vecArg.end(); ++it){
                if(isComma){body += ", ";}
                body += it->getType();
                if(it->getPtrRef() != ""){body +=  " " + it->getPtrRef();}
                isComma = true;
        }
        body += ");\n";
        return body;
}

References getHandleFunctionType(), PFunction::getName(), PFunction::getOutputType(), PFunction::getVecArgument(), and repr_isFunction().

Referenced by cpp_backendHeader().

Here is the call graph for this function:

Here is the caller graph for this function:

cpp_backendTableHeaderInline()

PString cpp_backendTableHeaderInline

(

PFunction &

function

)

Save the function prototype as an inline function.

Parameters

function

: PFunction to be used

Returns

corresponding string

Definition at line 54 of file backend.cpp.

                                                          {
        if(function.getOtherCode() != ""){return function.getOtherCode();}
        PString body("");
        if(function.getDocString() != ""){body += function.getDocString();}
        if(function.getTemplateDef() != ""){body += function.getTemplateDef();}
        body += "inline " + function.getOutputType() + " " + function.getName() + "(";
        bool isComma(false);
        PVecArgument & vecArg = function.getVecArgument();
        for(PVecArgument::iterator it(vecArg.begin()); it != vecArg.end(); ++it){
                if(isComma){body += ", ";}
                body += it->getType() + " ";
                if(it->getPtrRef() != ""){body += it->getPtrRef() + " ";}
                body += it->getName();
                if(it->getDefaultValue() != ""){body += " = " + it->getDefaultValue();}
                isComma = true;
        }
        body += "){\n";
        isComma = false;
        body += "\t"+getHandleFunction(function.getName())+"(";
        for(PVecArgument::iterator it(vecArg.begin()); it != vecArg.end(); ++it){
                if(isComma){body += ", ";}
                body += it->getName();
                isComma = true;
        }
        body += ");\n";
        body += "}\n\n";
        return body;
}

References PFunction::getDocString(), getHandleFunction(), PFunction::getName(), PFunction::getOtherCode(), PFunction::getOutputType(), PFunction::getTemplateDef(), and PFunction::getVecArgument().

Referenced by cpp_backendHeader().

Here is the call graph for this function:

Here is the caller graph for this function:

cpp_licenceSaveStr()

PString cpp_licenceSaveStr

(

)

Get the licence in string.

Returns

licence in string

Definition at line 12 of file backend.cpp.

                            {
        PString body("");
        body += "/***************************************\n";
        body += "\tAuteur : Pierre Aubert\n";
        body += "\tMail : pierre.aubert@lapp.in2p3.fr\n";
        body += "\tLicence : CeCILL-C\n";
        body += "****************************************/\n\n\n";
        
        body += "//Warning : this file has been generated automatically by the phoenix_hpc_proxy program\n";
        body += "//You can find it at https://gitlab.in2p3.fr/CTA-LAPP/PHOENIX_LIBS/PhoenixHPCProxy\n";
        body += "//Do NOT modify it\n\n\n";
        return body;
}

Referenced by cpp_backendHeader(), cpp_backendProxyLoaderHeader(), cpp_backendProxyLoaderSource(), and cpp_backendSource().

Here is the caller graph for this function:

getHandleFunction()

PString getHandleFunction

(

const PString &

functionName

)

Get the handle name of the given function.

Parameters

functionName

: function name

Returns

corresponding function name

Definition at line 30 of file backend.cpp.

                                                       {
        return "handle_" + functionName;
}

Referenced by cpp_backendHeader(), cpp_backendSource(), and cpp_backendTableHeaderInline().

Here is the caller graph for this function:

getHandleFunctionType()

PString getHandleFunctionType

(

const PString &

functionName

)

Get the handle type name of the given function.

Parameters

functionName

: function name

Returns

corresponding function name

Definition at line 38 of file backend.cpp.

                                                           {
        return "FunctionTypehandle_" + functionName;
}

Referenced by cpp_backendHeader(), cpp_backendSource(), and cpp_backendTableHeaderHandleType().

Here is the caller graph for this function:

getMangleFunctionName()

PString getMangleFunctionName	(	const PString &	libraryName,
		const PString &	functionName )

Get the mangled name of the given function name.

Parameters

libraryName	: file name of the library to be used
functionName	: name of the function to be searched

Returns

mangled name of the corresponding function

Definition at line 137 of file backend.cpp.

                                                                                        {
        if(libraryName == ""){return functionName;}
        PPath outputTmpFile(".mangledFunctionName.txt");
        PString command("objdump --syms "+libraryName+" | grep \".text\" | sed -e \"s/ /\\n/g\" | grep "+functionName+" | head -n 1 > "+outputTmpFile);
        if(system(command.c_str()) != 0){
                return functionName;
        }
        PString fullFileContent(outputTmpFile.loadFileContent());
        std::cerr << "getMangleFunctionName : full file content mangle function '"<<functionName<<"' : " << fullFileContent << std::endl;
        PString mangleFunction(fullFileContent.eraseChar("\n\t "));
        if(remove(outputTmpFile.c_str()) != 0){
                std::cerr << "DPS::LibraryHandle::mangleFunctionName : cannot remove file '"<<outputTmpFile<<"'" << std::endl;
        }
        return mangleFunction;
}

Referenced by cpp_backendSource().

Here is the caller graph for this function:

getUpdateFunction()

PString getUpdateFunction

(

const PPath &

fileName

)

Get the update type name of the given file.

Parameters

fileName

: file name

Returns

corresponding function name

Definition at line 46 of file backend.cpp.

                                                 {
        return "update_" + fileName.eraseExtension();
}

Referenced by cpp_backendHeader(), cpp_backendProxyLoaderUpdateSource(), and cpp_backendSource().

Here is the caller graph for this function: