#include <corelib/expr.hpp>

Collaboration diagram for CExprParser:

Public Types
enum	EAutoVar { fAllowAutoVar = 0 , fDenyAutoVar = (1 << 0) , fLogicalOnly = (1 << 1) , eAllowAutoVar = fAllowAutoVar , eDenyAutoVar = fDenyAutoVar }
	Parser flags. More...

typedef int	TParserFlags

Public Member Functions
	CExprParser (TParserFlags auto_var=0)

	~CExprParser (void)

void	Parse (const char *str)

const CExprValue &	GetResult (void) const

template<typename VT >
CExprSymbol *	AddSymbol (const char *name, VT value)

Private Types
enum	EOperator { eBEGIN , eOPERAND , eERROR , eEND , eLPAR , eRPAR , eFUNC , ePOSTINC , ePOSTDEC , ePREINC , ePREDEC , ePLUS , eMINUS , eNOT , eCOM , ePOW , eMUL , eDIV , eMOD , eADD , eSUB , eASL , eASR , eLSR , eGT , eGE , eLT , eLE , eEQ , eNE , eAND , eXOR , eOR , eSET , eSETADD , eSETSUB , eSETMUL , eSETDIV , eSETMOD , eSETASL , eSETASR , eSETLSR , eSETAND , eSETXOR , eSETOR , eSETPOW , eCOMMA , eTERMINALS }

enum	{ hash_table_size = 1013 }

enum	{ max_stack_size = 256 }

enum	{ max_expression_length = 1024 }

Private Member Functions
EOperator	Scan (bool operand)

bool	Assign (void)

CExprSymbol *	GetSymbol (const char *name) const

void	ReportError (const string &msg) const

EOperator	IfChar (char c, EOperator val, EOperator val_def)

EOperator	IfElseChar (char c1, EOperator val1, char c2, EOperator val2, EOperator val_def)

EOperator	IfLongest2ElseChar (char c1, char c2, EOperator val_true_longest, EOperator val_true, EOperator val_false, EOperator val_def)

TParserFlags	AutoCreateVariable (void) const

bool	LogicalOnly (void) const

Static Private Member Functions
static void	ReportError (int pos, const string &msg)

Private Attributes
CExprSymbol *	hash_table [hash_table_size]

CExprValue	m_VStack [max_stack_size]

int	m_v_sp

EOperator	m_OStack [max_stack_size]

int	m_o_sp

const char *	m_Buf

int	m_Pos

TParserFlags	m_ParserFlags

Static Private Attributes
static int	sm_lpr [eTERMINALS]

static int	sm_rpr [eTERMINALS]

Detailed Description

Definition at line 267 of file expr.hpp.

Member Typedef Documentation

◆ TParserFlags

typedef int CExprParser::TParserFlags

Definition at line 281 of file expr.hpp.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

private

Enumerator
hash_table_size

Definition at line 354 of file expr.hpp.

◆ anonymous enum

anonymous enum

private

Enumerator
max_stack_size

Definition at line 357 of file expr.hpp.

◆ anonymous enum

anonymous enum

private

Enumerator
max_expression_length

Definition at line 358 of file expr.hpp.

◆ EAutoVar

enum CExprParser::EAutoVar

Parser flags.

Enumerator
fAllowAutoVar
fDenyAutoVar
fLogicalOnly
eAllowAutoVar
eDenyAutoVar

Definition at line 271 of file expr.hpp.

◆ EOperator

enum CExprParser::EOperator

private

Enumerator
eBEGIN
eOPERAND
eERROR
eEND
eLPAR
eRPAR
eFUNC
ePOSTINC
ePOSTDEC
ePREINC
ePREDEC
ePLUS
eMINUS
eNOT
eCOM
ePOW
eMUL
eDIV
eMOD
eADD
eSUB
eASL
eASR
eLSR
eGT
eGE
eLT
eLE
eEQ
eNE
eAND
eXOR
eOR
eSET
eSETADD
eSETSUB
eSETMUL
eSETDIV
eSETMOD
eSETASL
eSETASR
eSETLSR
eSETAND
eSETXOR
eSETOR
eSETPOW
eCOMMA
eTERMINALS

Definition at line 302 of file expr.hpp.

Constructor & Destructor Documentation

◆ CExprParser()

CExprParser::CExprParser ( CExprParser::TParserFlags ParserFlags = 0 )

Definition at line 416 of file expr.cpp.

References AddSymbol(), fabs, gcd(), hash_table, invmod(), log, log10(), prime(), to_float(), and to_int().

◆ ~CExprParser()

CExprParser::~CExprParser ( void )

Definition at line 451 of file expr.cpp.

References hash_table, hash_table_size, and i.

Member Function Documentation

◆ AddSymbol()

template<typename VT >

CExprSymbol * CExprParser::AddSymbol	(	const char *	name,
		VT	value
	)

inline

Definition at line 382 of file expr.hpp.

References GetSymbol(), hash_table, hash_table_size, CExprSymbol::m_Next, string_hash_function(), and rapidjson::value.

Referenced by CExprParser(), CProjBulderApp::IsAllowedProjectTag(), Scan(), and CNcbiTestApplication::x_InitCommonParserVars().

◆ Assign()

bool CExprParser::Assign ( void )

private

Definition at line 726 of file expr.cpp.

References CExprValue::m_Pos, m_v_sp, CExprSymbol::m_Val, CExprValue::m_Var, m_VStack, NULL, and ReportError().

Referenced by Parse().

◆ AutoCreateVariable()

TParserFlags CExprParser::AutoCreateVariable ( void ) const

inlineprivate

Definition at line 346 of file expr.hpp.

References fDenyAutoVar, and m_ParserFlags.

Referenced by Scan().

◆ GetResult()

const CExprValue& CExprParser::GetResult ( void ) const

inline

Definition at line 289 of file expr.hpp.

References m_v_sp, m_VStack, and ReportError().

Referenced by CProjBulderApp::IsAllowedProjectTag(), and CNcbiTestApplication::x_CalcConfigValue().

◆ GetSymbol()

CExprSymbol * CExprParser::GetSymbol ( const char * name ) const

private

Definition at line 496 of file expr.cpp.

References hash_table, hash_table_size, CExprSymbol::m_Name, CExprSymbol::m_Next, NULL, and string_hash_function().

Referenced by AddSymbol(), and Scan().

◆ IfChar()

CExprParser::EOperator CExprParser::IfChar	(	char	c,
		EOperator	val,
		EOperator	val_def
	)

inlineprivate

Definition at line 400 of file expr.hpp.

References m_Buf, m_Pos, and val.

Referenced by IfLongest2ElseChar(), and Scan().

◆ IfElseChar()

CExprParser::EOperator CExprParser::IfElseChar	(	char	c1,
		EOperator	val1,
		char	c2,
		EOperator	val2,
		EOperator	val_def
	)

inlineprivate

Definition at line 414 of file expr.hpp.

References m_Buf, and m_Pos.

Referenced by Scan().

◆ IfLongest2ElseChar()

CExprParser::EOperator CExprParser::IfLongest2ElseChar	(	char	c1,
		char	c2,
		EOperator	val_true_longest,
		EOperator	val_true,
		EOperator	val_false,
		EOperator	val_def
	)

inlineprivate

Definition at line 432 of file expr.hpp.

References IfChar(), m_Buf, and m_Pos.

Referenced by Scan().

◆ LogicalOnly()

bool CExprParser::LogicalOnly ( void ) const

inlineprivate

Definition at line 351 of file expr.hpp.

References fLogicalOnly, and m_ParserFlags.

Referenced by Scan().

◆ Parse()

void CExprParser::Parse ( const char * str )

Definition at line 738 of file expr.cpp.

References Assign(), BINARY, CExprValue::bval, eADD, eAND, eASL, eASR, eBEGIN, CExprSymbol::eBFUNC1, CExprSymbol::eBFUNC2, CExprValue::eBOOL, eCOM, eCOMMA, eDIV, eEND, eEQ, eERROR, CExprSymbol::eFFUNC1, CExprSymbol::eFFUNC2, CExprValue::eFLOAT, eFUNC, eGE, eGT, CExprSymbol::eIFUNC1, CExprSymbol::eIFUNC2, CExprValue::eINT, eLE, eLPAR, eLSR, eLT, eMINUS, eMOD, eMUL, eNE, eNOT, eOPERAND, eOR, ePLUS, ePOSTDEC, ePOSTINC, ePOW, ePREDEC, ePREINC, eRPAR, eSET, eSETADD, eSETAND, eSETASL, eSETASR, eSETDIV, eSETLSR, eSETMOD, eSETMUL, eSETOR, eSETPOW, eSETSUB, eSETXOR, CExprSymbol::eSFUNC1, CExprValue::eSTRING, eSUB, eXOR, CExprValue::fval, CExprValue::GetBool(), CExprValue::GetDouble(), CExprValue::GetInt(), CExprValue::GetString(), CExprValue::GetType(), int, CExprValue::ival, CExprSymbol::m_BoolFunc1, CExprSymbol::m_BoolFunc2, m_Buf, CExprSymbol::m_FloatFunc1, CExprSymbol::m_FloatFunc2, CExprSymbol::m_IntFunc1, CExprSymbol::m_IntFunc2, m_o_sp, m_OStack, m_Pos, CExprSymbol::m_StringFunc1, CExprValue::m_sval, CExprSymbol::m_Tag, m_v_sp, CExprSymbol::m_Val, CExprValue::m_Var, m_VStack, max_stack_size, NULL, ReportError(), Scan(), CExprValue::SetType(), sm_lpr, sm_rpr, and str().

Referenced by CProjBulderApp::IsAllowedProjectTag(), and CNcbiTestApplication::x_CalcConfigValue().

◆ ReportError() [1/2]

void CExprParser::ReportError ( const string & msg ) const

inlineprivate

Definition at line 330 of file expr.hpp.

References m_Pos, msg(), and ReportError().

Referenced by ReportError().

◆ ReportError() [2/2]

static void CExprParser::ReportError	(	int	pos,
		const string &	msg
	)

inlinestaticprivate

Definition at line 326 of file expr.hpp.

References msg(), and NCBI_THROW2.

Referenced by Assign(), GetResult(), Parse(), and Scan().

◆ Scan()

CExprParser::EOperator CExprParser::Scan ( bool operand )

private

Definition at line 511 of file expr.cpp.

References AddSymbol(), AutoCreateVariable(), CExprValue::bval, eADD, eAllowAutoVar, eAND, eASL, eASR, CExprValue::eBOOL, eCOM, eCOMMA, eDIV, eEND, eEQ, eERROR, CExprValue::eFLOAT, eFUNC, eGE, eGT, CExprValue::eINT, eLE, eLPAR, eLSR, eLT, eMINUS, eMOD, eMUL, eNE, eNOT, eOPERAND, eOR, ePLUS, ePOSTDEC, ePOSTINC, ePOW, ePREDEC, ePREINC, eRPAR, eSET, eSETADD, eSETAND, eSETASL, eSETASR, eSETDIV, eSETLSR, eSETMOD, eSETMUL, eSETOR, eSETPOW, eSETSUB, eSETXOR, CExprValue::eSTRING, eSUB, CExprSymbol::eVARIABLE, eXOR, CExprValue::fval, GetSymbol(), IfChar(), IfElseChar(), IfLongest2ElseChar(), int, isalnum(), isspace(), CExprValue::ival, LogicalOnly(), m_Buf, CExprValue::m_Pos, m_Pos, CExprValue::m_sval, CExprSymbol::m_Tag, m_v_sp, CExprSymbol::m_Val, CExprValue::m_Var, m_VStack, max_expression_length, max_stack_size, n, NULL, ReportError(), CExprValue::SetType(), and util::strcmp().

Referenced by Parse().

Member Data Documentation

◆ hash_table

CExprSymbol* CExprParser::hash_table[hash_table_size]

private

Definition at line 355 of file expr.hpp.

Referenced by AddSymbol(), CExprParser(), GetSymbol(), and ~CExprParser().

◆ m_Buf

const char* CExprParser::m_Buf

private

Definition at line 367 of file expr.hpp.

Referenced by IfChar(), IfElseChar(), IfLongest2ElseChar(), Parse(), and Scan().

◆ m_o_sp

int CExprParser::m_o_sp

private

Definition at line 366 of file expr.hpp.

Referenced by Parse().

◆ m_OStack

EOperator CExprParser::m_OStack[max_stack_size]

private

Definition at line 365 of file expr.hpp.

Referenced by Parse().

◆ m_ParserFlags

TParserFlags CExprParser::m_ParserFlags

private

Definition at line 369 of file expr.hpp.

Referenced by AutoCreateVariable(), and LogicalOnly().

◆ m_Pos

int CExprParser::m_Pos

private

Definition at line 368 of file expr.hpp.

Referenced by IfChar(), IfElseChar(), IfLongest2ElseChar(), Parse(), ReportError(), and Scan().

◆ m_v_sp

int CExprParser::m_v_sp

private

Definition at line 364 of file expr.hpp.

Referenced by Assign(), GetResult(), Parse(), and Scan().

◆ m_VStack

CExprValue CExprParser::m_VStack[max_stack_size]

private

Definition at line 363 of file expr.hpp.

Referenced by Assign(), GetResult(), Parse(), and Scan().

◆ sm_lpr

int CExprParser::sm_lpr

staticprivate

Initial value:

= {
    2, 0, 0, 0,       
    4, 4,             
    5, 98, 98,        
    98, 98, 98, 98, 98, 98, 
    90,               
    80, 80, 80,       
    70, 70,           
    60, 60, 60,       
    50, 50, 50, 50,   
    40, 40,           
    38,               
    36,               
    34,               
    20, 20, 20, 20, 20, 20, 20, 
    20, 20, 20, 20, 20, 20, 
    10               
}

Definition at line 360 of file expr.hpp.

Referenced by Parse().

◆ sm_rpr

int CExprParser::sm_rpr

staticprivate

Initial value:

= {
    0, 0, 0, 1,       
    110, 3,           
    120, 99, 99,      
    99, 99, 99, 99, 99, 99, 
    95,               
    80, 80, 80,       
    70, 70,           
    60, 60, 60,       
    50, 50, 50, 50,   
    40, 40,           
    38,               
    36,               
    34,               
    25, 25, 25, 25, 25, 25, 25, 
    25, 25, 25, 25, 25, 25, 
    15               
}

Definition at line 361 of file expr.hpp.

Referenced by Parse().

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

include/corelib/expr.hpp
src/corelib/expr.cpp

Public Types

Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ TParserFlags

Member Enumeration Documentation

◆ anonymous enum

◆ anonymous enum

◆ anonymous enum

◆ EAutoVar

◆ EOperator

Constructor & Destructor Documentation

◆ CExprParser()

◆ ~CExprParser()

Member Function Documentation

◆ AddSymbol()

◆ Assign()

◆ AutoCreateVariable()

◆ GetResult()

◆ GetSymbol()

◆ IfChar()

◆ IfElseChar()

◆ IfLongest2ElseChar()

◆ LogicalOnly()

◆ Parse()

◆ ReportError() [1/2]

◆ ReportError() [2/2]

◆ Scan()

Member Data Documentation

◆ hash_table

◆ m_Buf

◆ m_o_sp

◆ m_OStack

◆ m_ParserFlags

◆ m_Pos

◆ m_v_sp

◆ m_VStack

◆ sm_lpr

◆ sm_rpr