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"

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Macros
#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))

Functions
static l_noret	lexerror (LexState *ls, const char *msg, int token)
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)
l_noret	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, int firstchar)
static int	check_next1 (LexState *ls, int c)
static int	check_next2 (LexState *ls, const char *set)
static int	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	esccheck (LexState *ls, int c, const char *msg)
static int	gethexa (LexState *ls)
static int	readhexaesc (LexState *ls)
static unsigned long	readutf8esc (LexState *ls)
static void	utf8esc (LexState *ls)
static int	readdecesc (LexState *ls)
static void	read_string (LexState *ls, int del, SemInfo *seminfo)
static int	llex (LexState *ls, SemInfo *seminfo)
void	luaX_next (LexState *ls)
int	luaX_lookahead (LexState *ls)

Variables
static const char *const	luaX_tokens []

Macro Definition Documentation

currIsNewline

#define currIsNewline

(

ls

)

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

llex_c

#define llex_c

LUA_CORE

#define LUA_CORE

next

#define next

(

ls

)

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

save_and_next

#define save_and_next

(

ls

)

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

Function Documentation

check_next1()

static int check_next1 ( LexState *  ls, int  c  )

static

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check_next2()

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

static

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esccheck()

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

static

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gethexa()

static int gethexa ( LexState *  ls )

static

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inclinenumber()

static void inclinenumber ( LexState *  ls )

static

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lexerror()

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

static

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llex()

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

static

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luaX_init()

void luaX_init

(

lua_State *

L

)

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luaX_lookahead()

int luaX_lookahead

(

LexState *

ls

)

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luaX_newstring()

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

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luaX_next()

void luaX_next

(

LexState *

ls

)

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luaX_setinput()

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

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luaX_syntaxerror()

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

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luaX_token2str()

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

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read_long_string()

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

static

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read_numeral()

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

static

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read_string()

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

static

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readdecesc()

static int readdecesc ( LexState *  ls )

static

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readhexaesc()

static int readhexaesc ( LexState *  ls )

static

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readutf8esc()

static unsigned long readutf8esc ( LexState *  ls )

static

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save()

static void save ( LexState *  ls, int  c  )

static

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skip_sep()

static int skip_sep ( LexState *  ls )

static

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txtToken()

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

static

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utf8esc()

static void utf8esc ( LexState *  ls )

static

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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>"
}