CDataType Class Reference

Base class for describing data types. More...

#include <cdatatype.h>

Inheritance diagram for CDataType:

List of all members.

Public Member Functions
	CDataType (VarDataType_t t)
	Create data type instance.
virtual CDataType *	Clone (CObstack *heap)=0
	Create a new copy with a deep copy.
virtual void	SetVarDataType (VarDataType_t v)
	Set declaration's variable data type.
virtual VarDataType_t	GetVarDataType () const
	Get declaration's variable data type.
virtual void	SetConst (int v)
	Set declaration's const property.
virtual int	GetConst () const
	Get declaration's const property.
virtual int	GetTwoState () const =0
	Get declaration's 2 state property.
virtual int	GetSigned () const =0
	Get declartion's signed property.
virtual NodeType_t	GetNodeType (void) const =0
	Get data type.
virtual int	IsPacked () const =0
	Determine if complete data structure is packed.
virtual CNode *	GetPackedRange () const =0
	Get expression for datatype's overall packed range (msb/lsb).
virtual void	Dump (FILE *f) const =0
	Dump data type info to file descriptor.
virtual void	PreVisit1 (int(*callback)(CNode *, void *), void *data)=0
	Walk tree invoking callback on each node before children have been visited.
virtual void	PostVisit1 (void(*callback)(CNode *, void *), void *data)=0
	Walk tree invoking callback on each node after children have been visited.
virtual void	PostSubVisit1 (CNode *(*callback)(CNode *, void *), void *data)=0
	Walk tree invoking callback on each node after children have been visited.
Protected Member Functions
void	Copy (CObstack *heap, const CDataType &o)
	Perform deep copy of given object to this one This should never be call directly, only by subclasses.

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Detailed Description

Base class for describing data types.

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Constructor & Destructor Documentation

CDataType::CDataType

(

VarDataType_t

t

)

Create data type instance.

---

Member Function Documentation

virtual CDataType* CDataType::Clone

(

CObstack *

heap

)

[pure virtual]

Create a new copy with a deep copy.

Parameters:

heap

heap to use for allocation.

Implemented in CSimpleType.

void CDataType::Copy	(	CObstack *	heap,
		const CDataType &	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.

Reimplemented in CSimpleType.

virtual void CDataType::Dump

(

FILE *

f

)

const [pure virtual]

Dump data type info to file descriptor.

Parameters:

f

file descriptor.

Implemented in CSimpleType.

virtual int CDataType::GetConst

(

)

const [inline, virtual]

Get declaration's const property.

Returns:

value of const property.

virtual NodeType_t CDataType::GetNodeType

(

void

)

const [pure virtual]

Get data type.

Returns:

node type

Implemented in CSimpleType.

virtual CNode* CDataType::GetPackedRange

(

)

const [pure virtual]

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

Returns:

range expression, NULL if scalar.

Implemented in CSimpleType.

virtual int CDataType::GetSigned

(

)

const [pure virtual]

Get declartion's signed property.

Returns:

value of signed property.

Implemented in CSimpleType.

virtual int CDataType::GetTwoState

(

)

const [pure virtual]

Get declaration's 2 state property.

Returns:

value of 2 state property.

Implemented in CSimpleType.

virtual VarDataType_t CDataType::GetVarDataType

(

)

const [inline, virtual]

Get declaration's variable data type.

Returns:

value of signed property.

virtual int CDataType::IsPacked

(

)

const [pure virtual]

Determine if complete data structure is packed.

Returns:

non-zero if complete data structure is packed.

Implemented in CSimpleType.

virtual void CDataType::PostSubVisit1	(	CNode *(*)(CNode *, void *)	callback,
		void *	data
	)			[pure virtual]

Walk tree invoking callback on each node after children have been visited.

callback may modify tree and return a modified subtree.

Parameters:

	callback	function to be called for each node
	data	opaque argument passed to callback function

Returns:

modified child subtree.

Implemented in CSimpleType.

virtual void CDataType::PostVisit1	(	void(*)(CNode *, void *)	callback,
		void *	data
	)			[pure virtual]

Walk tree invoking callback on each node after children have been visited.

Parameters:

	callback	function to be called for each node
	data	opaque argument passed to callback function

Implemented in CSimpleType.

virtual void CDataType::PreVisit1	(	int(*)(CNode *, void *)	callback,
		void *	data
	)			[pure virtual]

Walk tree invoking callback on each node before children have been visited.

callback can terminate transversal early. callback returns 0 to terminate transversal early.

Parameters:

	callback	function to be called for each node
	data	opaque argument passed to callback function

Implemented in CSimpleType.

virtual void CDataType::SetConst

(

int

v

)

[inline, virtual]

Set declaration's const property.

Use to indicate type is a constant variable.

Parameters:

v

value to const property.

virtual void CDataType::SetVarDataType

(

VarDataType_t

v

)

[inline, virtual]

Set declaration's variable data type.

Parameters:

v

variable data type

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

• /net/fileserver/nas/home/mdh/vrq/src/cdatatype.h