HDLGenerator::Ext Class Reference

#include <WidthTransformations.hh>

Inheritance diagram for HDLGenerator::Ext:

Collaboration diagram for HDLGenerator::Ext:

Public Member Functions
	Ext (std::string name, int extWidth, int signalWidth)
	Ext (std::string name, std::string extWidth, int signalWidth)
void	write_rtl (std::string name, std::string extWidth, std::string signalWidth)
Public Member Functions inherited from HDLGenerator::LHSValue
	LHSValue ()
void	hdl (std::ostream &stream, Language lang, int level)
void	hdl (std::ostream &stream, Language lang)
void	writeSignals (std::unordered_set< std::string > &readList) const
std::string	vhdl () const
std::string	verilog () const
LHSValue	operator|| (LHSValue rhs)
LHSValue	operator| (LHSValue rhs)
LHSValue	operator&& (LHSValue rhs)
LHSValue	operator& (LHSValue rhs)
LHSValue	operator^ (LHSValue rhs)
LHSValue	operator! ()
LHSValue	operator~ ()

Additional Inherited Members
Protected Attributes inherited from HDLGenerator::LHSValue
std::unordered_set< std::string >	readList_
std::string	vhdl_
std::string	verilog_

Detailed Description

Unsigned extend.

Definition at line 39 of file WidthTransformations.hh.

Constructor & Destructor Documentation

Ext() [1/2]

HDLGenerator::Ext::Ext ( std::string  name, int  extWidth, int  signalWidth  )

inline

Definition at line 41 of file WidthTransformations.hh.

                                                           {
            readList_.insert(name);
            if (extWidth > signalWidth) {
                write_rtl(name, std::to_string(extWidth),
                          std::to_string(signalWidth));
            } else {
                vhdl_ = name;
                verilog_ = name;
            }
        }

References HDLGenerator::LHSValue::readList_, HDLGenerator::LHSValue::verilog_, HDLGenerator::LHSValue::vhdl_, and write_rtl().

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Ext() [2/2]

HDLGenerator::Ext::Ext ( std::string  name, std::string  extWidth, int  signalWidth  )

inline

Definition at line 51 of file WidthTransformations.hh.

                                                                 {
            readList_.insert(name);
            write_rtl(name,  extWidth, std::to_string(signalWidth));
        }

References HDLGenerator::LHSValue::readList_, and write_rtl().

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Member Function Documentation

write_rtl()

void HDLGenerator::Ext::write_rtl ( std::string  name, std::string  extWidth, std::string  signalWidth  )

inline

Definition at line 56 of file WidthTransformations.hh.

                                              {
            vhdl_ = "((" + extWidth + "-1 downto " + signalWidth
                    + " => '0') & " + name + ")";
            verilog_ = "{{" + extWidth + "-" + signalWidth + "{"
                       + "1'b0}}, " + name + "}";
        }

References HDLGenerator::LHSValue::verilog_, and HDLGenerator::LHSValue::vhdl_.

Referenced by Ext(), and Ext().

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The documentation for this class was generated from the following file:

• WidthTransformations.hh