Compiler::ExprParser Class Reference

#include <exprparser.hpp>

List of all members.

Public Member Functions
	ExprParser (ErrorHandler &errorHandler, Context &context, Locals &locals, Literals &literals, bool argument=false)
char	getType () const
	Return type of parsed expression ('l' integer, 'f' float)
virtual bool	parseInt (int value, const TokenLoc &loc, Scanner &scanner)
virtual bool	parseFloat (float value, const TokenLoc &loc, Scanner &scanner)
virtual bool	parseName (const std::string &name, const TokenLoc &loc, Scanner &scanner)
virtual bool	parseKeyword (int keyword, const TokenLoc &loc, Scanner &scanner)
virtual bool	parseSpecial (int code, const TokenLoc &loc, Scanner &scanner)
void	reset ()
	Reset parser to clean state.
char	append (std::vector< Interpreter::Type_Code > &code)
int	parseArguments (const std::string &arguments, Scanner &scanner, std::vector< Interpreter::Type_Code > &code, bool invert=false)
Private Member Functions
int	getPriority (char op) const
char	getOperandType (int Index=0) const
char	getOperator () const
bool	isOpen () const
void	popOperator ()
void	popOperand ()
void	replaceBinaryOperands ()
void	pop ()
void	pushIntegerLiteral (int value)
void	pushFloatLiteral (float value)
void	pushBinaryOperator (char c)
void	close ()
int	parseArguments (const std::string &arguments, Scanner &scanner)
bool	handleMemberAccess (const std::string &name)
Private Attributes
Locals &	mLocals
Literals &	mLiterals
std::vector< char >	mOperands
std::vector< char >	mOperators
bool	mNextOperand
TokenLoc	mTokenLoc
std::vector < Interpreter::Type_Code >	mCode
bool	mFirst
bool	mArgument
std::string	mExplicit
bool	mRefOp
bool	mMemberOp

---

Constructor & Destructor Documentation

Compiler::ExprParser::ExprParser	(	ErrorHandler &	errorHandler,
		Context &	context,
		Locals &	locals,
		Literals &	literals,
		bool	argument = false
	)

constructor

Parameters:

argument

Parser is used to parse function- or instruction- arguments (this influences the precedence rules).

---

Member Function Documentation

char Compiler::ExprParser::append

(

std::vector< Interpreter::Type_Code > &

code

)

Generate code for parsed expression.

Returns:

Type ('l': integer, 'f': float)

void Compiler::ExprParser::close

(

)

[private]

char Compiler::ExprParser::getOperandType

(

int

Index = 0

)

const [private]

char Compiler::ExprParser::getOperator

(

)

const [private]

int Compiler::ExprParser::getPriority

(

char

op

)

const [private]

char Compiler::ExprParser::getType

(

)

const

Return type of parsed expression ('l' integer, 'f' float)

bool Compiler::ExprParser::handleMemberAccess

(

const std::string &

name

)

[private]

bool Compiler::ExprParser::isOpen

(

)

const [private]

int Compiler::ExprParser::parseArguments	(	const std::string &	arguments,
		Scanner &	scanner
	)		[private]

int Compiler::ExprParser::parseArguments	(	const std::string &	arguments,
		Scanner &	scanner,
		std::vector< Interpreter::Type_Code > &	code,
		bool	invert = false
	)

Parse sequence of arguments specified by arguments.

Parameters:

arguments	Each character represents one arguments ('l': integer, 'f': float, 'S': string, 'c': string (case smashed), '/': following arguments are optional)
invert	Store arguments in reverted order.

Returns:

number of optional arguments

bool Compiler::ExprParser::parseFloat	(	float	value,
		const TokenLoc &	loc,
		Scanner &	scanner
	)		[virtual]

Handle a float token.

Returns:

fetch another token?

Reimplemented from Compiler::Parser.

bool Compiler::ExprParser::parseInt	(	int	value,
		const TokenLoc &	loc,
		Scanner &	scanner
	)		[virtual]

Handle an int token.

Returns:

fetch another token?

Reimplemented from Compiler::Parser.

bool Compiler::ExprParser::parseKeyword	(	int	keyword,
		const TokenLoc &	loc,
		Scanner &	scanner
	)		[virtual]

Handle a keyword token.

Returns:

fetch another token?

Reimplemented from Compiler::Parser.

bool Compiler::ExprParser::parseName	(	const std::string &	name,
		const TokenLoc &	loc,
		Scanner &	scanner
	)		[virtual]

Handle a name token.

Returns:

fetch another token?

Reimplemented from Compiler::Parser.

bool Compiler::ExprParser::parseSpecial	(	int	code,
		const TokenLoc &	loc,
		Scanner &	scanner
	)		[virtual]

Handle a special character token.

Returns:

fetch another token?

Reimplemented from Compiler::Parser.

void Compiler::ExprParser::pop

(

)

[private]

void Compiler::ExprParser::popOperand

(

)

[private]

void Compiler::ExprParser::popOperator

(

)

[private]

void Compiler::ExprParser::pushBinaryOperator

(

char

c

)

[private]

void Compiler::ExprParser::pushFloatLiteral

(

float

value

)

[private]

void Compiler::ExprParser::pushIntegerLiteral

(

int

value

)

[private]

void Compiler::ExprParser::replaceBinaryOperands

(

)

[private]

void Compiler::ExprParser::reset

(

)

[virtual]

Reset parser to clean state.

Reimplemented from Compiler::Parser.

---

Member Data Documentation

bool Compiler::ExprParser::mArgument [private]

std::vector<Interpreter::Type_Code> Compiler::ExprParser::mCode [private]

std::string Compiler::ExprParser::mExplicit [private]

bool Compiler::ExprParser::mFirst [private]

Literals& Compiler::ExprParser::mLiterals [private]

Locals& Compiler::ExprParser::mLocals [private]

bool Compiler::ExprParser::mMemberOp [private]

bool Compiler::ExprParser::mNextOperand [private]

std::vector<char> Compiler::ExprParser::mOperands [private]

std::vector<char> Compiler::ExprParser::mOperators [private]

bool Compiler::ExprParser::mRefOp [private]

TokenLoc Compiler::ExprParser::mTokenLoc [private]

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

• components/compiler/exprparser.hpp
• components/compiler/exprparser.cpp