lua/llex.h File Reference

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

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Classes
union	SemInfo
struct	Token
struct	LexState
Defines
#define	FIRST_RESERVED   257
#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_CONCAT, TK_DOTS,   TK_EQ, TK_GE, TK_LE, TK_NE,   TK_DBCOLON, TK_EOS, TK_NUMBER, 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)

---

Define Documentation

#define FIRST_RESERVED   257

Definition at line 14 of file llex.h.

Referenced by luaX_token2str().

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

Definition at line 34 of file llex.h.

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Typedef Documentation

typedef struct LexState LexState

typedef struct Token Token

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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_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_CONCAT
TK_DOTS
TK_EQ
TK_GE
TK_LE
TK_NE
TK_DBCOLON
TK_EOS
TK_NUMBER
TK_NAME
TK_STRING

Definition at line 22 of file llex.h.

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Function Documentation

LUAI_FUNC void luaX_init

(

lua_State *

L

)

Definition at line 65 of file llex.c.

References cast_byte, luaS_fix, luaS_new(), luaX_tokens, TString::reserved, and TString::tsv.

Referenced by f_luaopen().

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LUAI_FUNC int luaX_lookahead

(

LexState *

ls

)

Definition at line 511 of file llex.c.

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

Referenced by field().

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

Definition at line 124 of file llex.c.

References LexState::fs, FuncState::h, LexState::L, luaC_checkGC, luaH_set(), luaS_newlstr(), setbvalue, setsvalue2s, lua_State::top, and ttisnil.

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

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LUAI_FUNC void luaX_next

(

LexState *

ls

)

Definition at line 500 of file llex.c.

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

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

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

Definition at line 156 of file llex.c.

References LexState::buff, LexState::current, LexState::decpoint, LexState::envn, LexState::fs, LexState::L, LexState::lastline, LexState::linenumber, LexState::lookahead, LUA_ENV, LUA_MINBUFFER, luaS_fix, luaS_new(), luaZ_resizebuffer, LexState::source, Token::token, and LexState::z.

Referenced by luaY_parser().

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

Definition at line 114 of file llex.c.

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

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

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

Definition at line 75 of file llex.c.

References cast, FIRST_RESERVED, LexState::L, lisprint, lua_assert, LUA_QL, LUA_QS, luaO_pushfstring(), luaX_tokens, and TK_EOS.

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

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