llex.c File Reference

#include "lprefix.h"
#include <locale.h>
#include <string.h>
#include "lua.h"
#include "lctype.h"
#include "ldebug.h"
#include "ldo.h"
#include "lgc.h"
#include "llex.h"
#include "lobject.h"
#include "lparser.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "lzio.h"

Include dependency graph for llex.c:

Go to the source code of this file.

Macros
#define	currIsNewline(ls)   (ls->current == '\n' || ls->current == '\r')
#define	llex_c
#define	LUA_CORE
#define	next(ls)   (ls->current = zgetc(ls->z))
#define	save_and_next(ls)   (save(ls, ls->current), next(ls))

Functions
static int	check_next1 (LexState *ls, int c)
static int	check_next2 (LexState *ls, const char *set)
static void	esccheck (LexState *ls, int c, const char *msg)
static int	gethexa (LexState *ls)
static void	inclinenumber (LexState *ls)
static l_noret	lexerror (LexState *ls, const char *msg, int token)
static int	llex (LexState *ls, SemInfo *seminfo)
void	luaX_init (lua_State *L)
int	luaX_lookahead (LexState *ls)
TString *	luaX_newstring (LexState *ls, const char *str, size_t l)
void	luaX_next (LexState *ls)
void	luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source, int firstchar)
l_noret	luaX_syntaxerror (LexState *ls, const char *msg)
const char *	luaX_token2str (LexState *ls, int token)
static void	read_long_string (LexState *ls, SemInfo *seminfo, size_t sep)
static int	read_numeral (LexState *ls, SemInfo *seminfo)
static void	read_string (LexState *ls, int del, SemInfo *seminfo)
static int	readdecesc (LexState *ls)
static int	readhexaesc (LexState *ls)
static unsigned long	readutf8esc (LexState *ls)
static void	save (LexState *ls, int c)
static size_t	skip_sep (LexState *ls)
static const char *	txtToken (LexState *ls, int token)
static void	utf8esc (LexState *ls)

Variables
static const char *const	luaX_tokens []

Macro Definition Documentation

currIsNewline

#define currIsNewline

(

ls

)

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

Definition at line 36 of file llex.c.

llex_c

#define llex_c

Definition at line 7 of file llex.c.

LUA_CORE

#define LUA_CORE

Definition at line 8 of file llex.c.

next

#define next

(

ls

)

(ls->current = zgetc(ls->z))

Definition at line 32 of file llex.c.

save_and_next

#define save_and_next

(

ls

)

(save(ls, ls->current), next(ls))

Definition at line 51 of file llex.c.

Function Documentation

check_next1()

static int check_next1 ( LexState *  ls, int  c  )

static

Definition at line 191 of file llex.c.

check_next2()

static int check_next2 ( LexState *  ls, const char *  set  )

static

Definition at line 204 of file llex.c.

esccheck()

static void esccheck ( LexState *  ls, int  c, const char *  msg  )

static

Definition at line 319 of file llex.c.

gethexa()

static int gethexa ( LexState *  ls )

static

Definition at line 328 of file llex.c.

inclinenumber()

static void inclinenumber ( LexState *  ls )

static

Definition at line 156 of file llex.c.

lexerror()

static l_noret lexerror ( LexState *  ls, const char *  msg, int  token  )

static

Definition at line 111 of file llex.c.

llex()

static int llex ( LexState *  ls, SemInfo *  seminfo  )

static

Definition at line 445 of file llex.c.

luaX_init()

void luaX_init

(

lua_State *

L

)

Definition at line 70 of file llex.c.

luaX_lookahead()

int luaX_lookahead

(

LexState *

ls

)

Definition at line 576 of file llex.c.

luaX_newstring()

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

Definition at line 134 of file llex.c.

luaX_next()

void luaX_next

(

LexState *

ls

)

Definition at line 565 of file llex.c.

luaX_setinput()

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

Definition at line 167 of file llex.c.

luaX_syntaxerror()

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

Definition at line 119 of file llex.c.

luaX_token2str()

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

Definition at line 82 of file llex.c.

read_long_string()

static void read_long_string ( LexState *  ls, SemInfo *  seminfo, size_t  sep  )

static

Definition at line 280 of file llex.c.

read_numeral()

static int read_numeral ( LexState *  ls, SemInfo *  seminfo  )

static

Definition at line 227 of file llex.c.

read_string()

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

static

Definition at line 382 of file llex.c.

readdecesc()

static int readdecesc ( LexState *  ls )

static

Definition at line 369 of file llex.c.

readhexaesc()

static int readhexaesc ( LexState *  ls )

static

Definition at line 335 of file llex.c.

readutf8esc()

static unsigned long readutf8esc ( LexState *  ls )

static

Definition at line 343 of file llex.c.

save()

static void save ( LexState *  ls, int  c  )

static

Definition at line 57 of file llex.c.

skip_sep()

static size_t skip_sep ( LexState *  ls )

static

Definition at line 265 of file llex.c.

txtToken()

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

static

Definition at line 99 of file llex.c.

utf8esc()

static void utf8esc ( LexState *  ls )

static

Definition at line 361 of file llex.c.

Variable Documentation

luaX_tokens

const char* const luaX_tokens[]

static

Initial value:

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

Definition at line 40 of file llex.c.