#include <HDLGenerator.hh>

Inheritance diagram for HDLGenerator::DefaultAssign:

Collaboration diagram for HDLGenerator::DefaultAssign:

Public Member Functions
	DefaultAssign (std::string name, std::string value)

	DefaultAssign (std::string name)

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

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::string	value_

bool	dontCare_

Detailed Description

Assign default value.

Definition at line 366 of file HDLGenerator.hh.

Constructor & Destructor Documentation

◆ DefaultAssign() [1/2]

HDLGenerator::DefaultAssign::DefaultAssign	(	std::string	name,
		std::string	value
	)

inline

Definition at line 368 of file HDLGenerator.hh.

369 : SequentialStatement(name), value_(value), dontCare_(false) {}

◆ DefaultAssign() [2/2]

HDLGenerator::DefaultAssign::DefaultAssign ( std::string name )

inline

Definition at line 370 of file HDLGenerator.hh.

371 : SequentialStatement(name), value_(""), dontCare_(true) {}

Member Function Documentation

◆ hdl()

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

inlineoverridevirtual

Reimplemented from HDLGenerator::SequentialStatement.

Definition at line 373 of file HDLGenerator.hh.

                                                                         {
             Width w = width(name());
             WireType t = wireType(name());
  
  
             if (lang == Language::VHDL) {
                 std::string def = "-";
                 if (!dontCare_)
                     def = value_.substr(0, 1);
  
                 std::string assign = " <= ";
                 if (isVariable(name())) {
                     assign = " := ";
                 }
                 stream << StringTools::indent(level) << name() << assign;
  
                 if (w.strWidth.empty() && w.intWidth == 1) {
                     char delim = t == WireType::Auto ? '\'' : '"';
                     stream << delim << def << delim << ";\n";
                 } else {
                     stream << "(others => '" << def << "');\n";
                 }
             } else if (lang == Language::Verilog) {
                 std::string def = "x";
                 if (!dontCare_)
                     def = value_.substr(0, 1);
  
                 stream << StringTools::indent(level)
                        << name() << " = 'b" << def << ";\n";
             } else {
                 throw std::runtime_error(__PRETTY_FUNCTION__);
             }
         }

References HDLGenerator::Auto, dontCare_, StringTools::indent(), HDLGenerator::Width::intWidth, HDLGenerator::Generatable::isVariable(), HDLGenerator::Generatable::name(), HDLGenerator::Width::strWidth, value_, HDLGenerator::Verilog, HDLGenerator::VHDL, HDLGenerator::Generatable::width(), and HDLGenerator::Generatable::wireType().

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Member Data Documentation

◆ dontCare_

bool HDLGenerator::DefaultAssign::dontCare_

private

Definition at line 409 of file HDLGenerator.hh.

Referenced by hdl().

◆ value_

std::string HDLGenerator::DefaultAssign::value_