class for describing simple builtin data types More...

#include <csimpletype.h>

Inheritance diagram for CSimpleType:

Public Member Functions
	CSimpleType (VarDataType_t vt)
	Create data type instance.
	CSimpleType (VarDataType_t vt, list< CNode * > &rangeList)
	Create data type instance.
virtual CDataType *	Clone (CObstack *heap)
	Create a new copy with a deep copy.
virtual int	GetSignedAttr () const
	Get declaration's signed attribute.
virtual int	GetUnsignedAttr () const
	Get declaration's unsigned attribute.
virtual void	SetSignedAttr (int v)
	Set declaration's signed attribute.
virtual void	SetUnsignedAttr (int v)
	Set declaration's unsigned attribute.
virtual int	GetSigned () const
	Get declartion's signed property.
virtual int	GetTwoState () const
	Get declaration's 2 state property.
virtual NodeType_t	GetNodeType (void) const
	Get data type.
virtual int	IsBaseWidthConstant (void) const
	Determine if base width (sans packed dimensions) of declaration is constant, ie dependent upon only constants and parameters.
virtual int	IsBaseWidthVolatile (void) const
	Determine if base width (sans packed dimensions) of declaration is volatile, ie depend upon parameters or variables.
virtual int	IsBaseWidthEvaluateable (void) const
	Determine if base width (sans packed dimensions) of declaration can be evaluated.
virtual INT32	GetBaseWidth (void) const
	Evaluate base width (sans packed dimensions) of declaration.
virtual CNode *	GetBaseWidthExp () const
	Get expression for datatype's base width (sans packed dimensions).
virtual int	IsVector () const
	Determine if complete data structure is a vector.
virtual int	IsPacked () const
	Determine if complete data structure is packed.
virtual CNode *	GetPackedMsb () const
	Get expression for declaration's msb.
virtual CNode *	GetPackedLsb () const
	Get expression for declaration's lsb.
virtual CNode *	GetPackedRange () const
	Get expression for datatype's overall packed or vector range (msb/lsb).
virtual INT32	GetPackedWidth (void) const
	Evaluate packed or vector width of declaration.
virtual CNode *	GetPackedWidthExp () const
	Get expression for datatype's overall packed or vetor width.
virtual int	PackedWidthDirection (void) const
	Evaluate current decl width direction.
virtual INT32	GetNumberOfPackedDimensions (void) const
	Get number of packed dimensions of declaration.
virtual CNode *	GetPackedMsi (INT32 dim) const
	Get expression tree for upper limit of given packed array dimension.
virtual CNode *	GetPackedLsi (INT32 dim) const
	Get expression tree for lower limit of packed array dimension.
virtual CNode *	GetPackedRange (INT32 dim) const
	Get expression for range of packed array for dimension.
virtual void	Dump (FILE *f) const
	Dump data type info to file descriptor.
Protected Member Functions
void	Copy (CObstack *heap, const CSimpleType &o)
	Perform deep copy of given object to this one This should never be call directly, only by subclasses.
int	GetVectorWidth () const
	Get width of vector.

Detailed Description

class for describing simple builtin data types

Constructor & Destructor Documentation

CSimpleType::CSimpleType ( VarDataType_t vt )

Create data type instance.

Parameters:

vt

variable simple data type

CSimpleType::CSimpleType	(	VarDataType_t	vt,
		list< CNode * > &	rangeList
	)

Create data type instance.

Parameters:

	vt	variable simple data type
	rangeList	vector of packed ranges for declaration.

Member Function Documentation

virtual CDataType* CSimpleType::Clone ( CObstack * heap ) [virtual]

Create a new copy with a deep copy.

Parameters:

heap

heap to use for allocation.

Implements CDataType.

void CSimpleType::Copy	(	CObstack *	heap,
		const CSimpleType &	o
	)			`[protected]`

Perform deep copy of given object to this one This should never be call directly, only by subclasses.

Parameters:

	heap	heap to use for allocation.
	o	declaration to copy.

virtual void CSimpleType::Dump ( FILE * f ) const [virtual]

Dump data type info to file descriptor.

Parameters:

f

file descriptor.

Implements CDataType.

virtual INT32 CSimpleType::GetBaseWidth ( void ) const [virtual]

Evaluate base width (sans packed dimensions) of declaration.

Returns:: packed or vector width of declaration.

Implements CDataType.

virtual CNode* CSimpleType::GetBaseWidthExp ( ) const [virtual]

Get expression for datatype's base width (sans packed dimensions).

Returns:: width expression

Implements CDataType.

virtual NodeType_t CSimpleType::GetNodeType ( void ) const [virtual]

Get data type.

Returns:: node type

Implements CDataType.

virtual INT32 CSimpleType::GetNumberOfPackedDimensions ( void ) const [virtual]

Get number of packed dimensions of declaration.

Returns:: number of dimensions, 0 if non-array.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedLsb ( ) const [virtual]

Get expression for declaration's lsb.

Valid only for Packed and Vector declarations.

Returns:: lsb expression, NULL if scalar.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedLsi ( INT32 dim ) const [virtual]

Get expression tree for lower limit of packed array dimension.

Parameters:

dim

dimension.

Returns:: expression tree for packed lower limit.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedMsb ( ) const [virtual]

Get expression for declaration's msb.

Valid only for Packed and Vector declarations.

Returns:: msb expression, NULL if scalar.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedMsi ( INT32 dim ) const [virtual]

Get expression tree for upper limit of given packed array dimension.

Parameters:

dim

dimension.

Returns:: expression tree for packed upper limit.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedRange ( ) const [virtual]

Get expression for datatype's overall packed or vector range (msb/lsb).

Returns:: range expression, NULL if scalar.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedRange ( INT32 dim ) const [virtual]

Get expression for range of packed array for dimension.

Parameters:

dim

dimension to get.

Returns:: range expression for limit.

Reimplemented from CDataType.

virtual INT32 CSimpleType::GetPackedWidth ( void ) const [virtual]

Evaluate packed or vector width of declaration.

Returns:: packed or vector width of declaration.

Reimplemented from CDataType.

virtual CNode* CSimpleType::GetPackedWidthExp ( ) const [virtual]

Get expression for datatype's overall packed or vetor width.

Returns:: width expression

Reimplemented from CDataType.

virtual int CSimpleType::GetSigned ( ) const [virtual]

Get declartion's signed property.

Returns:: value of signed property.

Implements CDataType.

virtual int CSimpleType::GetSignedAttr ( ) const [inline, virtual]

Get declaration's signed attribute.

Returns:: value of signed attribute.

virtual int CSimpleType::GetTwoState ( ) const [virtual]

Get declaration's 2 state property.

Returns:: value of 2 state property.

Implements CDataType.

virtual int CSimpleType::GetUnsignedAttr ( ) const [inline, virtual]

Get declaration's unsigned attribute.

Returns:: value of unsigned attribute.

int CSimpleType::GetVectorWidth ( ) const [protected]

Get width of vector.

Only valid for vector types

Returns:: width of vector in bits.

virtual int CSimpleType::IsBaseWidthConstant ( void ) const [inline, virtual]

Determine if base width (sans packed dimensions) of declaration is constant, ie dependent upon only constants and parameters.

Returns:: non-zero if vector or packed width of declaration is constant.

Implements CDataType.

virtual int CSimpleType::IsBaseWidthEvaluateable ( void ) const [inline, virtual]

Determine if base width (sans packed dimensions) of declaration can be evaluated.

Returns:: non-zero of packed or vector width of declaration can be evaluated.

Implements CDataType.

virtual int CSimpleType::IsBaseWidthVolatile ( void ) const [inline, virtual]

Determine if base width (sans packed dimensions) of declaration is volatile, ie depend upon parameters or variables.

Returns:: non-zero of vector or packed width of declaration is volatile.

Implements CDataType.

virtual int CSimpleType::IsPacked ( ) const [virtual]

Determine if complete data structure is packed.

Packed data structures can be treated as a single vector.

Returns:: non-zero if complete data structure is packed.

Implements CDataType.

virtual int CSimpleType::IsVector ( ) const [virtual]

Determine if complete data structure is a vector.

Vectors are a multi-bit intergal type.

Returns:: non-zero if complete data structure is a vector.

Implements CDataType.

virtual int CSimpleType::PackedWidthDirection ( void ) const [virtual]

Evaluate current decl width direction.

Expression must be constant.

Returns:: 1 - big endian, -1 - little endian, 0 - cannot be determined

Reimplemented from CDataType.

virtual void CSimpleType::SetSignedAttr ( int v ) [inline, virtual]

Set declaration's signed attribute.

Parameters:

v

value of signed attribute.

virtual void CSimpleType::SetUnsignedAttr ( int v ) [inline, virtual]

Set declaration's unsigned attribute.

Parameters:

v

value of unsigned attribute.

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

/net/fileserver/nas/home/mdh/vrq/src/csimpletype.h

CSimpleType Class Reference

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation