llex.c File Reference

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Defines
#define	llex_c
#define	LUA_CORE
#define	next(ls) (ls->current = zgetc(ls->z))
#define	currIsNewline(ls) (ls->current == '\n' \|\| ls->current == '\r')
#define	save_and_next(ls) (save(ls, ls->current), next(ls))
#define	MAXSRC 80
Functions
static void	save (LexState *ls, int c)
void	luaX_init (lua_State *L)
const char *	luaX_token2str (LexState *ls, int token)
static const char *	txtToken (LexState *ls, int token)
void	luaX_lexerror (LexState ls, const char msg, int token)
void	luaX_syntaxerror (LexState ls, const char msg)
TString *	luaX_newstring (LexState ls, const char str, size_t l)
static void	inclinenumber (LexState *ls)
void	luaX_setinput (lua_State L, LexState ls, ZIO z, TString source)
static int	check_next (LexState ls, const char set)
static void	buffreplace (LexState *ls, char from, char to)
static void	trydecpoint (LexState ls, SemInfo seminfo)
static void	read_numeral (LexState ls, SemInfo seminfo)
static int	skip_sep (LexState *ls)
static void	read_long_string (LexState ls, SemInfo seminfo, int sep)
static void	read_string (LexState ls, int del, SemInfo seminfo)
static int	llex (LexState ls, SemInfo seminfo)
void	luaX_next (LexState *ls)
void	luaX_lookahead (LexState *ls)
Variables
const char *const	luaX_tokens []

Define Documentation

#define currIsNewline ( ls ) (ls->current == '\n' || ls->current == '\r')

Definition at line 33 of file llex.c.

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

#define llex_c

Definition at line 12 of file llex.c.

#define LUA_CORE

Definition at line 13 of file llex.c.

#define MAXSRC 80

Definition at line 75 of file llex.c.

Referenced by luaX_lexerror().

#define next ( ls ) (ls->current = zgetc(ls->z))

Definition at line 28 of file llex.c.

Referenced by getOverflowPage(), inclinenumber(), llex(), luaK_concat(), luaS_resize(), luaX_setinput(), patchlistaux(), read_long_string(), read_string(), and sqlite3BtreeInitPage().

#define save_and_next ( ls ) (save(ls, ls->current), next(ls))

Definition at line 48 of file llex.c.

Referenced by check_next(), llex(), read_long_string(), read_numeral(), read_string(), and skip_sep().

Function Documentation

static void buffreplace	(	LexState *	ls,
		char	from,
		char	to
	)			`[static]`

Definition at line 169 of file llex.c.

References LexState::buff, luaZ_buffer, and luaZ_bufflen.

Referenced by read_numeral(), and trydecpoint().

static int check_next	(	LexState *	ls,
		const char *	set
	)			`[static]`

Definition at line 161 of file llex.c.

References LexState::current, and save_and_next.

Referenced by llex(), and read_numeral().

static void inclinenumber ( LexState * ls ) [static]

Definition at line 127 of file llex.c.

References LexState::current, currIsNewline, LexState::linenumber, lua_assert, luaX_syntaxerror(), MAX_INT, and next.

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

static int llex	(	LexState *	ls,
		SemInfo *	seminfo
	)			`[static]`

Definition at line 332 of file llex.c.

References LexState::buff, check_next(), LexState::current, currIsNewline, EOZ, FIRST_RESERVED, inclinenumber(), lua_assert, luaX_lexerror(), luaX_newstring(), luaZ_buffer, luaZ_bufflen, luaZ_resetbuffer, next, read_long_string(), read_numeral(), read_string(), TString::reserved, save_and_next, skip_sep(), 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 luaX_lookahead(), and luaX_next().

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().

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().

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().

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().

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().

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().

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

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().

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().

static void read_long_string	(	LexState *	ls,
		SemInfo *	seminfo,
		int	sep
	)			`[static]`

Definition at line 221 of file llex.c.

References LexState::buff, LexState::current, currIsNewline, EOZ, inclinenumber(), luaX_lexerror(), luaX_newstring(), luaZ_buffer, luaZ_bufflen, luaZ_resetbuffer, next, save(), save_and_next, skip_sep(), TK_EOS, and SemInfo::ts.

Referenced by llex().

static void read_numeral	(	LexState *	ls,
		SemInfo *	seminfo
	)			`[static]`

Definition at line 192 of file llex.c.

References LexState::buff, buffreplace(), check_next(), LexState::current, LexState::decpoint, lua_assert, luaO_str2d(), luaZ_buffer, SemInfo::r, save(), save_and_next, and trydecpoint().

Referenced by llex().

static void read_string	(	LexState *	ls,
		int	del,
		SemInfo *	seminfo
	)			`[static]`

Definition at line 276 of file llex.c.

References LexState::buff, LexState::current, EOZ, inclinenumber(), luaX_lexerror(), luaX_newstring(), luaZ_buffer, luaZ_bufflen, next, save(), save_and_next, TK_EOS, TK_STRING, and SemInfo::ts.

Referenced by llex().

static void save	(	LexState *	ls,
		int	c
	)			`[static]`

Definition at line 51 of file llex.c.

References LexState::buff, Mbuffer::buffer, Mbuffer::buffsize, cast, LexState::L, luaX_lexerror(), luaZ_resizebuffer, MAX_SIZET, and Mbuffer::n.

Referenced by read_long_string(), read_numeral(), read_string(), and txtToken().

static int skip_sep ( LexState * ls ) [static]

Definition at line 208 of file llex.c.

References LexState::current, lua_assert, and save_and_next.

Referenced by llex(), and read_long_string().

static void trydecpoint	(	LexState *	ls,
		SemInfo *	seminfo
	)			`[static]`

Definition at line 177 of file llex.c.

References LexState::buff, buffreplace(), LexState::decpoint, luaO_str2d(), luaX_lexerror(), luaZ_buffer, SemInfo::r, and TK_NUMBER.

Referenced by read_numeral().

static const char* txtToken	(	LexState *	ls,
		int	token
	)			`[static]`

Definition at line 89 of file llex.c.

References LexState::buff, luaX_token2str(), luaZ_buffer, save(), TK_NAME, TK_NUMBER, and TK_STRING.

Referenced by luaX_lexerror().

Variable Documentation

const char* const luaX_tokens[]

Initial value:

 {
    "and", "break", "do", "else", "elseif",
    "end", "false", "for", "function", "if",
    "in", "local", "nil", "not", "or", "repeat",
    "return", "then", "true", "until", "while",
    "..", "...", "==", ">=", "<=", "~=",
    "<number>", "<name>", "<string>", "<eof>",
    NULL
}

Definition at line 37 of file llex.c.

Referenced by luaX_init(), and luaX_token2str().

llex.c File Reference

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation