KSLex.h File Reference

Lexical analyzer for Kiwi Assember. More...

#include <KiwiEngine/KiwiEngine.h>
#include "KSForwarders.h"

Go to the source code of this file.

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

Macros
#define	YYSTYPE   struct KEToken
#define	YY_EXTRA_TYPE   struct KSParserState *
#define	YY_DECL   int ks_lex(YYSTYPE * yylval_param, ks_scan_t yyscanner, struct KSParserState * pstate)
#define	YYLEX_PARAM   scanner, pstate

Typedefs
typedef void *	ks_scan_t

Functions
int	ks_lex (YYSTYPE *lval, ks_scan_t yyscanner, struct KSParserState *pstate)
	Main lex function to get next token. More...
int	ks_lex_init (ks_scan_t *scanner)
	Initialize the scanner DB for lex. More...
YY_EXTRA_TYPE	ks_get_extra (ks_scan_t scanner)
	Get user defined information from the scanner. More...
void	ks_set_extra (YY_EXTRA_TYPE user_defined, ks_scan_t scanner)
	Set user defined information to the scanner. More...
int	ks_lex_destroy (ks_scan_t scanner)
	Release the context of lex scanner. More...
void	ks_error (struct KSParserState *pstate, ks_scan_t scanner, const char *msg)
	Output parser error. More...

Detailed Description

Lexical analyzer for Kiwi Assember.

Copyright

Copyright (C) 2014 Steel Wheels Project

Macro Definition Documentation

#define YY_DECL   int ks_lex(YYSTYPE * yylval_param, ks_scan_t yyscanner, struct KSParserState * pstate)

Declaration of ks_lex (yylex) function

#define YY_EXTRA_TYPE   struct KSParserState *

Additional parameter in the parser

#define YYLEX_PARAM   scanner, pstate

Definition of parameters of ks_lex (yylex) function

#define YYSTYPE   struct KEToken

Define type of token

Typedef Documentation

typedef void* ks_scan_t

Type of scanner

Function Documentation

void ks_error	(	struct KSParserState *	pstate,
		ks_scan_t	scanner,
		const char *	msg
	)

Output parser error.

Parameters

pstate	Parser resource
scanner	Lex scanner
msg	Parser error message

YY_EXTRA_TYPE ks_get_extra

(

ks_scan_t

scanner

)

Get user defined information from the scanner.

Returns

User defined info

Parameters

scanner

Source scanner

int ks_lex	(	YYSTYPE *	lval,
		ks_scan_t	yyscanner,
		struct KSParserState *	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 ks_lex_destroy

(

ks_scan_t

scanner

)

Release the context of lex scanner.

Returns

Result value

Parameters

scanner

Destination scanner

int ks_lex_init

(

ks_scan_t *

scanner

)

Initialize the scanner DB for lex.

Returns

Result code

Parameters

scanner

Destination scanner

void ks_set_extra	(	YY_EXTRA_TYPE	user_defined,
		ks_scan_t	scanner
	)

Set user defined information to the scanner.

Parameters

user_defined	Source user defined info
scanner	Destination scanner