#include <HDLGenerator.hh>

Inheritance diagram for HDLGenerator::If:

Collaboration diagram for HDLGenerator::If:

Public Member Functions
template<typename SS >
	If (LHSValue cls, SS ifBlock)

template<typename SS >
void	elseIfClause (LHSValue cls, SS ifBlock)

template<typename SS >
void	elseClause (SS elseBlock)

virtual void	hdl (std::ostream &stream, Language lang, int level) override

void	build () override

Public Member Functions inherited from HDLGenerator::SequentialStatement
	SequentialStatement (std::string name)

Public Member Functions inherited from HDLGenerator::Generatable
	Generatable (std::string name)

virtual	~Generatable ()=default

virtual void	reads (const std::string &var)

virtual void	reads (const LHSValue &var)

virtual void	writes (const std::string &var)

virtual Register &	getRegister (const std::string &var)

virtual bool	hasOption (const std::string &var)

virtual bool	isRegister (const std::string &name)

virtual bool	isVariable (const std::string &name)

virtual bool	isConstant (const std::string &name)

virtual Width	width (const std::string &name)

int	integerWidth (const std::string &name)

virtual WireType	wireType (const std::string &name)

virtual Width	width ()

virtual WireType	wireType () const

virtual void	hdl (std::ostream &stream, Language lang)

virtual void	implementAll (std::ostream &stream, Language lang)

virtual void	implementAll (std::ostream &stream, Language lang, int indent)

template<typename Func >
void	forAll (Func func)

template<typename Type , typename Func >
void	forAll (Func func)

template<class Type >
bool	parentIs ()

template<class Type >
Type *	parentType ()

void	pushComponent (std::shared_ptr< Generatable > c)

template<class Component >
void	addComponent (Component c)

const std::string &	name () const noexcept

void	setParent (Generatable *parent) noexcept

Generatable *	parent () const noexcept

Private Attributes
std::vector< std::pair< LHSValue, std::shared_ptr< SequentialStatement > > >	ifBlocks_

std::shared_ptr< SequentialStatement >	elseBlock_

Detailed Description

if/elsif/else.

Definition at line 787 of file HDLGenerator.hh.

Constructor & Destructor Documentation

◆ If()

template<typename SS >

HDLGenerator::If::If	(	LHSValue	cls,
		SS	ifBlock
	)

inline

Definition at line 790 of file HDLGenerator.hh.

                                     : SequentialStatement("if"),
            elseBlock_(nullptr) {
            std::shared_ptr<SequentialStatement> ptr
                = std::make_shared<SS>(ifBlock);
            ifBlocks_.emplace_back(cls, ptr);
        }

References ifBlocks_.

Member Function Documentation

◆ build()

void HDLGenerator::If::build ( )

inlineoverridevirtual

Reimplemented from HDLGenerator::Generatable.

Definition at line 855 of file HDLGenerator.hh.

                              {
            Generatable::build();
            for (auto&& block : ifBlocks_) {
                reads(block.first);
                block.second->setParent(this);
                block.second->build();
            }
            if (elseBlock_ != nullptr) {
                elseBlock_->setParent(this);
                elseBlock_->build();
            }
        }

References HDLGenerator::Generatable::build(), elseBlock_, ifBlocks_, and HDLGenerator::Generatable::reads().

Here is the call graph for this function:

◆ elseClause()

template<typename SS >

void HDLGenerator::If::elseClause ( SS elseBlock )

inline

Definition at line 805 of file HDLGenerator.hh.

                                      {
            if (elseBlock_) {
                throw std::runtime_error("Cannot to add a second else block.");
            }
            std::shared_ptr<SequentialStatement> ptr
                = std::make_shared<SS>(elseBlock);
            elseBlock_ = ptr;
        }

References elseBlock_.

Referenced by FUGen::createOutputPipeline(), and FUGen::createShadowRegisters().

◆ elseIfClause()

template<typename SS >

void HDLGenerator::If::elseIfClause	(	LHSValue	cls,
		SS	ifBlock
	)

inline

Definition at line 798 of file HDLGenerator.hh.

                                                    {
            std::shared_ptr<SequentialStatement> ptr
                = std::make_shared<SS>(ifBlock);
            ifBlocks_.emplace_back(cls, ptr);
        }

References ifBlocks_.

Referenced by FUGen::createOutputPipeline().

◆ hdl()

virtual void HDLGenerator::If::hdl	(	std::ostream &	stream,
		Language	lang,
		int	level
	)

inlineoverridevirtual

Reimplemented from HDLGenerator::SequentialStatement.

Definition at line 814 of file HDLGenerator.hh.

                         {
            if (lang == Language::VHDL) {
                for (auto iter = ifBlocks_.begin(); iter != ifBlocks_.end();
                     ++iter) {
                    if (iter == ifBlocks_.begin()) {
                        stream << StringTools::indent(level) << "if ";
                    } else {
                        stream << StringTools::indent(level) << "elsif ";
                    }
                    iter->first.hdl(stream, lang);
                    stream << " then\n";
                    iter->second->hdl(stream, lang, level + 1);
                }
                if (elseBlock_ != nullptr) {
                    stream << StringTools::indent(level) << "else\n";
                    elseBlock_->hdl(stream, lang, level + 1);
                }
                stream << StringTools::indent(level) << "end if;\n";
            } else if (lang == Language::Verilog) {
                for (auto iter = ifBlocks_.begin(); iter != ifBlocks_.end();
                     ++iter) {
                    if (iter == ifBlocks_.begin()) {
                        stream << StringTools::indent(level) << "if ";
                    } else {
                        stream << StringTools::indent(level) << "end else if ";
                    }
                    iter->first.hdl(stream, lang);
                    stream << ") begin\n";
                    iter->second->hdl(stream, lang, level + 1);
                }
                if (elseBlock_ != nullptr) {
                    stream << StringTools::indent(level) << "end else begin\n";
                    elseBlock_->hdl(stream, lang, level + 1);
                }
                stream << StringTools::indent(level) << "end\n";
            } else {
                throw std::runtime_error(__PRETTY_FUNCTION__);
            }
        }