llex.h File Reference

#include <limits.h>
#include "lobject.h"
#include "lzio.h"

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Go to the source code of this file.

Classes
union	SemInfo
struct	Token
struct	LexState

Macros
#define	FIRST_RESERVED   (UCHAR_MAX + 1)
#define	LUA_ENV   "_ENV"
#define	NUM_RESERVED   (cast_int(TK_WHILE-FIRST_RESERVED + 1))

Typedefs
typedef struct Token	Token
typedef struct LexState	LexState

Enumerations
enum	RESERVED {   TK_AND = FIRST_RESERVED, TK_BREAK, TK_DO, TK_ELSE,   TK_ELSEIF, TK_END, TK_FALSE, TK_FOR,   TK_FUNCTION, TK_GOTO, 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_IDIV, TK_CONCAT,   TK_DOTS, TK_EQ, TK_GE, TK_LE,   TK_NE, TK_SHL, TK_SHR, TK_DBCOLON,   TK_EOS, TK_FLT, TK_INT, TK_NAME,   TK_STRING }

Functions
LUAI_FUNC void	luaX_init (lua_State *L)
LUAI_FUNC void	luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source, int firstchar)
LUAI_FUNC TString *	luaX_newstring (LexState *ls, const char *str, size_t l)
LUAI_FUNC void	luaX_next (LexState *ls)
LUAI_FUNC int	luaX_lookahead (LexState *ls)
LUAI_FUNC l_noret	luaX_syntaxerror (LexState *ls, const char *s)
LUAI_FUNC const char *	luaX_token2str (LexState *ls, int token)

Macro Definition Documentation

FIRST_RESERVED

#define FIRST_RESERVED   (UCHAR_MAX + 1)

Definition at line 20 of file llex.h.

Referenced by llex(), and luaX_token2str().

LUA_ENV

#define LUA_ENV   "_ENV"

Definition at line 24 of file llex.h.

Referenced by gxf(), luaX_init(), and luaX_setinput().

NUM_RESERVED

#define NUM_RESERVED   (cast_int(TK_WHILE-FIRST_RESERVED + 1))

Definition at line 46 of file llex.h.

Referenced by luaX_init().

Typedef Documentation

LexState

typedef struct LexState LexState

Token

typedef struct Token Token

Enumeration Type Documentation

RESERVED

enum RESERVED

Enumerator
TK_AND
TK_BREAK
TK_DO
TK_ELSE
TK_ELSEIF
TK_END
TK_FALSE
TK_FOR
TK_FUNCTION
TK_GOTO
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_IDIV
TK_CONCAT
TK_DOTS
TK_EQ
TK_GE
TK_LE
TK_NE
TK_SHL
TK_SHR
TK_DBCOLON
TK_EOS
TK_FLT
TK_INT
TK_NAME
TK_STRING

Definition at line 32 of file llex.h.

Function Documentation

luaX_init()

LUAI_FUNC void luaX_init

(

lua_State *

L

)

Definition at line 70 of file llex.cpp.

References cast_byte, e, TString::extra, i, LUA_ENV, luaC_fix(), luaS_new(), luaS_newliteral, luaX_tokens, NUM_RESERVED, and obj2gco.

Referenced by f_luaopen().

luaX_lookahead()

LUAI_FUNC int luaX_lookahead

(

LexState *

ls

)

Definition at line 573 of file llex.cpp.

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

Referenced by field().

luaX_newstring()

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

Definition at line 129 of file llex.cpp.

References LexState::h, isempty, keystrval, LexState::L, luaC_checkGC, luaH_set(), luaS_newlstr(), nodefromval, s2v, setbtvalue, setsvalue2s, and lua_State::top.

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

luaX_next()

LUAI_FUNC void luaX_next

(

LexState *

ls

)

Definition at line 562 of file llex.cpp.

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

Referenced by breakstat(), checknext(), fieldsel(), forstat(), funcargs(), funcstat(), mainfunc(), parlist(), primaryexp(), repeatstat(), simpleexp(), statement(), str_checkname(), subexpr(), suffixedexp(), test_then_block(), testnext(), whilestat(), and yindex().

luaX_setinput()

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

Definition at line 164 of file llex.cpp.

References LexState::buff, LexState::current, LexState::envn, LexState::fs, LexState::L, LexState::lastline, LexState::linenumber, LexState::lookahead, LUA_ENV, LUA_MINBUFFER, luaS_newliteral, luaZ_resizebuffer, LexState::source, LexState::t, TK_EOS, Token::token, and LexState::z.

Referenced by luaY_parser().

luaX_syntaxerror()

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

Definition at line 119 of file llex.cpp.

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

Referenced by check_match(), error_expected(), errorlimit(), fixforjump(), fixjump(), forstat(), funcargs(), luaK_checkstack(), luaK_semerror(), parlist(), and primaryexp().

luaX_token2str()

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

Definition at line 82 of file llex.cpp.

References FIRST_RESERVED, LexState::L, lisprint, luaO_pushfstring(), luaX_tokens, s, and TK_EOS.

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