KALex.h File Reference

Lexical analyzer for Kiwi Assember. More...

#include <KiwiEngine/KiwiEngine.h>

Go to the source code of this file.

Data Structures
struct	KAParserState
	Resource to parse the program. More...

Macros
#define	YYSTYPE   struct KEToken
#define	YY_EXTRA_TYPE   struct KAParserState *
#define	YY_DECL   int ke_lex(YYSTYPE * yylval_param, ke_scan_t yyscanner, struct KAParserState * pstate)
#define	YYLEX_PARAM   scanner, pstate

Typedefs
typedef void *	ke_scan_t

Functions
int	ke_lex (YYSTYPE *lval, ke_scan_t yyscanner, struct KAParserState *pstate)
	Main lex function to get next token. More...
int	ke_lex_init (ke_scan_t *scanner)
	Initialize the scanner DB for lex. More...
YY_EXTRA_TYPE	ke_get_extra (ke_scan_t scanner)
	Get user defined information from the scanner. More...
void	ke_set_extra (YY_EXTRA_TYPE user_defined, ke_scan_t scanner)
	Set user defined information to the scanner. More...
int	ke_lex_destroy (ke_scan_t scanner)
	Release the context of lex scanner. More...
void	ke_error (struct KAParserState *pstate, ke_scan_t scanner, const char *msg)
	Output parser error. More...

Detailed Description

Lexical analyzer for Kiwi Assember.

Copyright

Copyright (C) 2013 Steel Wheels Project

Macro Definition Documentation

#define YY_DECL   int ke_lex(YYSTYPE * yylval_param, ke_scan_t yyscanner, struct KAParserState * pstate)

Declaration of ke_lex (yylex) function

#define YY_EXTRA_TYPE   struct KAParserState *

Additional parameter in the parser

#define YYLEX_PARAM   scanner, pstate

Definition of parameters of ke_lex (yylex) function

#define YYSTYPE   struct KEToken

Define type of token

Typedef Documentation

typedef void* ke_scan_t

Type of scanner

Function Documentation

void ke_error	(	struct KAParserState *	pstate,
		ke_scan_t	scanner,
		const char *	msg
	)

Output parser error.

Parameters

pstate	Parser resource
scanner	Lex scanner
msg	Parser error message

YY_EXTRA_TYPE ke_get_extra

(

ke_scan_t

scanner

)

Get user defined information from the scanner.

Returns

User defined info

Parameters

scanner

Source scanner

int ke_lex	(	YYSTYPE *	lval,
		ke_scan_t	yyscanner,
		struct KAParserState *	pstate
	)

Main lex function to get next token.

Returns

There are token or not

Parameters

lval	Next token
yyscanner	Scanner lex info
pstate	Scanner resource

int ke_lex_destroy

(

ke_scan_t

scanner

)

Release the context of lex scanner.

Returns

Result value

Parameters

scanner

Destination scanner

int ke_lex_init

(

ke_scan_t *

scanner

)

Initialize the scanner DB for lex.

Returns

Result code

Parameters

scanner

Destination scanner

void ke_set_extra	(	YY_EXTRA_TYPE	user_defined,
		ke_scan_t	scanner
	)

Set user defined information to the scanner.

Parameters

user_defined	Source user defined info
scanner	Destination scanner