#include <scanner.hpp>

Public Types
enum	keyword { K_begin, K_end, K_short, K_long, K_float, K_if, K_endif, K_else, K_elseif, K_while, K_endwhile, K_return, K_messagebox, K_set, K_to, K_getsquareroot, K_menumode, K_random, K_startscript, K_stopscript, K_scriptrunning, K_getdistance, K_getsecondspassed, K_enable, K_disable, K_getdisabled }
enum	special { S_newline, S_open, S_close, S_cmpEQ, S_cmpNE, S_cmpLT, S_cmpLE, S_cmpGT, S_cmpGE, S_plus, S_minus, S_mult, S_div, S_comma, S_ref, S_member }
Public Member Functions
	Scanner (ErrorHandler &errorHandler, std::istream &inputStream, const Extensions *extensions=0)
	constructor
void	scan (Parser &parser)
	Scan a token and deliver it to the parser.
void	putbackSpecial (int code, const TokenLoc &loc)
	put back a special token
void	putbackInt (int value, const TokenLoc &loc)
	put back an integer token
void	putbackFloat (float value, const TokenLoc &loc)
	put back a float token
void	putbackName (const std::string &name, const TokenLoc &loc)
	put back a name toekn
void	putbackKeyword (int keyword, const TokenLoc &loc)
	put back a keyword token
void	listKeywords (std::vector< std::string > &keywords)
	Append all known keywords to \æ kaywords.
Private Types
enum	putback_type { Putback_None, Putback_Special, Putback_Integer, Putback_Float, Putback_Name, Putback_Keyword }
Private Member Functions
	Scanner (const Scanner &)
Scanner &	operator= (const Scanner &)
bool	get (char &c)
void	putback (char c)
bool	scanToken (Parser &parser)
bool	scanInt (char c, Parser &parser, bool &cont)
bool	scanFloat (const std::string &intValue, Parser &parser, bool &cont)
bool	scanName (char c, Parser &parser, bool &cont)
bool	scanName (char c, std::string &name)
bool	scanSpecial (char c, Parser &parser, bool &cont)
Static Private Member Functions
static bool	isWhitespace (char c)
Private Attributes
ErrorHandler &	mErrorHandler
TokenLoc	mLoc
TokenLoc	mPrevLoc
std::istream &	mStream
const Extensions *	mExtensions
putback_type	mPutback
int	mPutbackCode
int	mPutbackInteger
float	mPutbackFloat
std::string	mPutbackName
TokenLoc	mPutbackLoc

Detailed Description

Scanner.

This class translate a char-stream to a token stream (delivered via parser-callbacks).

Member Enumeration Documentation

enum Compiler::Scanner::keyword

Enumerator:

K_begin
K_end
K_short
K_long
K_float
K_if
K_endif
K_else
K_elseif
K_while
K_endwhile
K_return
K_messagebox
K_set
K_to
K_getsquareroot
K_menumode
K_random
K_startscript
K_stopscript
K_scriptrunning
K_getdistance
K_getsecondspassed
K_enable
K_disable
K_getdisabled

enum Compiler::Scanner::putback_type [private]

Enumerator:

Putback_None
Putback_Special
Putback_Integer
Putback_Float
Putback_Name
Putback_Keyword

enum Compiler::Scanner::special

Enumerator:

S_newline
S_open
S_close
S_cmpEQ
S_cmpNE
S_cmpLT
S_cmpLE
S_cmpGT
S_cmpGE
S_plus
S_minus
S_mult
S_div
S_comma
S_ref
S_member

Constructor & Destructor Documentation

Compiler::Scanner::Scanner ( const Scanner & ) [private]

Compiler::Scanner::Scanner	(	ErrorHandler &	errorHandler,
		std::istream &	inputStream,
		const Extensions *	extensions = `0`
	)

constructor

Member Function Documentation

bool Compiler::Scanner::get ( char & c ) [private]

bool Compiler::Scanner::isWhitespace ( char c ) [static, private]

void Compiler::Scanner::listKeywords ( std::vector< std::string > & keywords )

Append all known keywords to \æ kaywords.

Scanner& Compiler::Scanner::operator= ( const Scanner & ) [private]

void Compiler::Scanner::putback ( char c ) [private]

void Compiler::Scanner::putbackFloat	(	float	value,
		const TokenLoc &	loc
	)

put back a float token

void Compiler::Scanner::putbackInt	(	int	value,
		const TokenLoc &	loc
	)

put back an integer token

void Compiler::Scanner::putbackKeyword	(	int	keyword,
		const TokenLoc &	loc
	)

put back a keyword token

void Compiler::Scanner::putbackName	(	const std::string &	name,
		const TokenLoc &	loc
	)

put back a name toekn

void Compiler::Scanner::putbackSpecial	(	int	code,
		const TokenLoc &	loc
	)

put back a special token

void Compiler::Scanner::scan ( Parser & parser )

Scan a token and deliver it to the parser.

bool Compiler::Scanner::scanFloat	(	const std::string &	intValue,
		Parser &	parser,
		bool &	cont
	)		`[private]`

bool Compiler::Scanner::scanInt	(	char	c,
		Parser &	parser,
		bool &	cont
	)		`[private]`

bool Compiler::Scanner::scanName	(	char	c,
		Parser &	parser,
		bool &	cont
	)		`[private]`

bool Compiler::Scanner::scanName	(	char	c,
		std::string &	name
	)		`[private]`

Todo:: add an option to disable the following hack. Also, find out who is responsible for allowing it in the first place and meet up with that person in a dark alley.