llex.h File Reference

Go to the source code of this file.

Classes
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 = FIRST_RESERVED, 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_CONCAT, TK_DOTS, TK_EQ,   TK_GE, TK_LE, TK_NE, TK_NUMBER,   TK_NAME, TK_STRING, TK_EOS }
Functions
LUAI_FUNC void	luaX_init (lua_State *L)
LUAI_FUNC void	luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source)
LUAI_FUNC TString *	luaX_newstring (LexState *ls, const char *str, size_t l)
LUAI_FUNC void	luaX_next (LexState *ls)
LUAI_FUNC void	luaX_lookahead (LexState *ls)
LUAI_FUNC void	luaX_lexerror (LexState *ls, const char *msg, int token)
LUAI_FUNC void	luaX_syntaxerror (LexState *ls, const char *s)
LUAI_FUNC const char *	luaX_token2str (LexState *ls, int token)
Variables
LUAI_DATA const char *const	luaX_tokens []

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Define Documentation

#define FIRST_RESERVED   257

Definition at line 14 of file llex.h.

Referenced by llex(), 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_CONCAT
TK_DOTS
TK_EQ
TK_GE
TK_LE
TK_NE
TK_NUMBER
TK_NAME
TK_STRING
TK_EOS

Definition at line 24 of file llex.h.

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Function Documentation

LUAI_FUNC void luaX_init

(

lua_State *

L

)

Definition at line 64 of file llex.c.

References cast_byte, lua_assert, luaS_fix, luaS_new, luaX_tokens, NUM_RESERVED, TString::reserved, TOKEN_LEN, and TString::tsv.

Referenced by f_luaopen().

LUAI_FUNC void luaX_lexerror	(	LexState *	ls,
		const char *	msg,
		int	token
	)

Definition at line 102 of file llex.c.

References getstr, LexState::L, LexState::linenumber, LUA_ERRSYNTAX, LUA_QS, luaD_throw(), luaO_chunkid(), luaO_pushfstring(), MAXSRC, LexState::source, and txtToken().

Referenced by enterlevel(), errorlimit(), llex(), luaX_syntaxerror(), read_long_string(), read_string(), save(), and trydecpoint().

LUAI_FUNC void luaX_lookahead

(

LexState *

ls

)

Definition at line 457 of file llex.c.

References llex(), LexState::lookahead, lua_assert, Token::seminfo, TK_EOS, and Token::token.

Referenced by constructor().

LUAI_FUNC TString* luaX_newstring	(	LexState *	ls,
		const char *	str,
		size_t	l
	)

Definition at line 117 of file llex.c.

References LexState::fs, FuncState::h, LexState::L, luaH_setstr(), luaS_newlstr(), setbvalue, and ttisnil.

Referenced by anchor_token(), llex(), read_long_string(), and read_string().

LUAI_FUNC void luaX_next

(

LexState *

ls

)

Definition at line 446 of file llex.c.

References LexState::lastline, LexState::linenumber, llex(), LexState::lookahead, Token::seminfo, LexState::t, TK_EOS, and Token::token.

Referenced by checknext(), field(), forstat(), funcargs(), funcstat(), ifstat(), luaY_parser(), parlist(), prefixexp(), primaryexp(), repeatstat(), retstat(), simpleexp(), statement(), str_checkname(), subexpr(), test_then_block(), testnext(), whilestat(), and yindex().

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

Definition at line 138 of file llex.c.

References LexState::buff, LexState::decpoint, LexState::fs, LexState::L, LexState::lastline, LexState::linenumber, LexState::lookahead, LUA_MINBUFFER, luaZ_resizebuffer, next, LexState::source, TK_EOS, Token::token, and LexState::z.

Referenced by luaY_parser().

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

Definition at line 112 of file llex.c.

References luaX_lexerror(), LexState::t, and Token::token.

Referenced by breakstat(), check_match(), error_expected(), fixjump(), forstat(), funcargs(), inclinenumber(), luaK_checkstack(), parlist(), and prefixexp().

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

Definition at line 78 of file llex.c.

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

Referenced by check_match(), error_expected(), and txtToken().

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Variable Documentation

LUAI_DATA const char* const luaX_tokens[]

Definition at line 40 of file llex.h.