lua/llex.h File Reference

#include "lobject.h"
#include "lzio.h"

Go to the source code of this file.

Data Structures
union	SemInfo
struct	Token
struct	LexState
Defines
#define	FIRST_RESERVED   257
#define	TOKEN_LEN   (sizeof("function")/sizeof(char))
#define	NUM_RESERVED   (cast(int, TK_WHILE-FIRST_RESERVED+1))
Enumerations
enum	RESERVED {   TK_AND = 257, TK_BREAK, TK_DO, TK_ELSE,   TK_ELSEIF, TK_END, TK_FALSE, TK_FOR,   TK_FUNCTION, TK_IF, TK_IN, TK_LOCAL,   TK_NIL, TK_NOT, TK_OR, TK_REPEAT,   TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL,   TK_WHILE, TK_NAME, TK_CONCAT, TK_DOTS,   TK_EQ, TK_GE, TK_LE, TK_NE,   TK_NUMBER, TK_STRING, TK_EOS }
Functions
void	luaX_init (lua_State *L)
void	luaX_setinput (lua_State *L, LexState *LS, ZIO *z, TString *source)
int	luaX_lex (LexState *LS, SemInfo *seminfo)
void	luaX_checklimit (LexState *ls, int val, int limit, const char *msg)
void	luaX_syntaxerror (LexState *ls, const char *s)
void	luaX_errorline (LexState *ls, const char *s, const char *token, int line)
const char *	luaX_token2str (LexState *ls, int token)

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Define Documentation

#define FIRST_RESERVED   257

Definition at line 14 of file llex.h.

Referenced by luaX_lex(), and luaX_token2str().

#define NUM_RESERVED   (cast(int, TK_WHILE-FIRST_RESERVED+1))

Definition at line 36 of file llex.h.

Referenced by luaX_init().

#define TOKEN_LEN   (sizeof("function")/sizeof(char))

Definition at line 17 of file llex.h.

Referenced by luaX_init().

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Enumeration Type Documentation

enum RESERVED

Enumerator:

TK_AND
TK_BREAK
TK_DO
TK_ELSE
TK_ELSEIF
TK_END
TK_FALSE
TK_FOR
TK_FUNCTION
TK_IF
TK_IN
TK_LOCAL
TK_NIL
TK_NOT
TK_OR
TK_REPEAT
TK_RETURN
TK_THEN
TK_TRUE
TK_UNTIL
TK_WHILE
TK_NAME
TK_CONCAT
TK_DOTS
TK_EQ
TK_GE
TK_LE
TK_NE
TK_NUMBER
TK_STRING
TK_EOS

Definition at line 24 of file llex.h.

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Function Documentation

void luaX_checklimit	(	LexState *	ls,
		int	val,
		int	limit,
		const char *	msg
	)

Definition at line 55 of file llex.c.

References LexState::L, luaO_pushfstring(), and luaX_syntaxerror().

Referenced by code_params(), inclinenumber(), listfield(), new_localvar(), and recfield().

void luaX_errorline	(	LexState *	ls,
		const char *	s,
		const char *	token,
		int	line
	)

Definition at line 63 of file llex.c.

References getstr, LexState::L, luaD_throw(), luaO_chunkid(), luaO_pushfstring(), MAXSRC, and LexState::source.

Referenced by luaX_error(), and prefixexp().

void luaX_init

(

lua_State *

L

)

Definition at line 41 of file llex.c.

References cast, lua_assert, luaS_fix, luaS_new, NUM_RESERVED, token2string, and TOKEN_LEN.

Referenced by f_luaopen().

int luaX_lex	(	LexState *	LS,
		SemInfo *	seminfo
	)

Definition at line 329 of file llex.c.

References LexState::buff, LexState::current, EOZ, FIRST_RESERVED, inclinenumber(), LexState::L, luaO_pushfstring(), luaS_newlstr(), luaX_error(), luaZ_buffer, next, read_long_string(), read_numeral(), read_string(), readname(), TString::reserved, TK_CONCAT, TK_DOTS, TK_EOS, TK_EQ, TK_GE, TK_LE, TK_NAME, TK_NE, TK_NUMBER, TK_STRING, SemInfo::ts, and TString::tsv.

Referenced by lookahead(), and next().

void luaX_setinput	(	lua_State *	L,
		LexState *	LS,
		ZIO *	z,
		TString *	source
	)

Definition at line 126 of file llex.c.

References LexState::current, EOZ, LexState::fs, LexState::L, LexState::lastline, LexState::linenumber, LexState::lookahead, next, LexState::source, TK_EOS, Token::token, and LexState::z.

Referenced by luaY_parser().

void luaX_syntaxerror	(	LexState *	ls,
		const char *	s
	)

Definition at line 79 of file llex.c.

References LexState::buff, getstr, luaX_error(), luaX_token2str(), luaZ_buffer, Token::seminfo, LexState::t, TK_NAME, TK_NUMBER, TK_STRING, Token::token, and SemInfo::ts.

Referenced by breakstat(), check_match(), error_expected(), forstat(), funcargs(), luaK_checkstack(), luaK_fixjump(), luaX_checklimit(), parlist(), prefixexp(), and whilestat().

const char* luaX_token2str	(	LexState *	ls,
		int	token
	)

Definition at line 97 of file llex.c.

References FIRST_RESERVED, LexState::L, lua_assert, luaO_pushfstring(), and token2string.

Referenced by check_match(), error_expected(), luaX_lexerror(), and luaX_syntaxerror().

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