lzio.h File Reference

#include "lua.h"

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Data Structures
struct	Mbuffer
struct	Zio

Macros
#define	EOZ   (-1) /* end of stream */
#define	char2int(c)   cast(int, cast(unsigned char, (c)))
#define	zgetc(z)   (((z)->n--)>0 ? char2int(*(z)->p++) : luaZ_fill(z))
#define	zname(z)   ((z)->name)
#define	luaZ_initbuffer(L, buff)   ((buff)->buffer = NULL, (buff)->buffsize = 0)
#define	luaZ_sizebuffer(buff)   ((buff)->buffsize)
#define	luaZ_buffer(buff)   ((buff)->buffer)
#define	luaZ_resizebuffer(L, buff, size)
#define	luaZ_freebuffer(L, buff)   luaZ_resizebuffer(L, buff, 0)

Typedefs
typedef struct Zio	ZIO
typedef struct Mbuffer	Mbuffer

Functions
void	luaZ_init (ZIO *z, lua_Chunkreader reader, void *data, const char *name)
size_t	luaZ_read (ZIO *z, void *b, size_t n)
int	luaZ_lookahead (ZIO *z)
char *	luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n)
int	luaZ_fill (ZIO *z)

Macro Definition Documentation

#define char2int

(

c

)

cast(int, cast(unsigned char, (c)))

Definition at line 19 of file lzio.h.

Referenced by luaZ_fill(), and luaZ_lookahead().

#define EOZ   (-1) /* end of stream */

Definition at line 14 of file lzio.h.

Referenced by ezgetc(), luaX_lex(), luaX_setinput(), luaZ_fill(), luaZ_lookahead(), luaZ_read(), read_long_string(), and read_string().

#define luaZ_buffer

(

buff

)

((buff)->buffer)

Definition at line 47 of file lzio.h.

Referenced by luaX_lex(), luaX_lexerror(), luaX_syntaxerror(), read_long_string(), read_numeral(), and read_string().

#define luaZ_freebuffer	(		L,
			buff
	)		luaZ_resizebuffer(L, buff, 0)

Definition at line 53 of file lzio.h.

Referenced by close_state(), and luaD_protectedparser().

#define luaZ_initbuffer	(		L,
			buff
	)		((buff)->buffer = NULL, (buff)->buffsize = 0)

Definition at line 44 of file lzio.h.

Referenced by f_luaopen(), and luaD_protectedparser().

#define luaZ_resizebuffer	(		L,
			buff,
			size
	)

Value:

(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
        (buff)->buffsize = size)

Definition at line 49 of file lzio.h.

Referenced by checkSizes().

#define luaZ_sizebuffer

(

buff

)

((buff)->buffsize)

Definition at line 46 of file lzio.h.

Referenced by checkSizes().

#define zgetc

(

z

)

(((z)->n--)>0 ? char2int(*(z)->p++) : luaZ_fill(z))

Definition at line 21 of file lzio.h.

Referenced by ezgetc().

#define zname

(

z

)

((z)->name)

Definition at line 23 of file lzio.h.

Referenced by luaU_undump(), and luaY_parser().

Typedef Documentation

typedef struct Mbuffer Mbuffer

typedef struct Zio ZIO

Definition at line 16 of file lzio.h.

Function Documentation

int luaZ_fill

(

ZIO *

z

)

Definition at line 19 of file lzio.c.

References char2int, Zio::data, EOZ, Zio::n, Zio::p, and Zio::reader.

Referenced by luaZ_lookahead(), and luaZ_read().

void luaZ_init	(	ZIO *	z,
		lua_Chunkreader	reader,
		void *	data,
		const char *	name
	)

Definition at line 40 of file lzio.c.

References Zio::data, Zio::n, name, Zio::name, Zio::p, and Zio::reader.

Referenced by lua_load().

int luaZ_lookahead

(

ZIO *

z

)

Definition at line 29 of file lzio.c.

References char2int, EOZ, luaZ_fill(), Zio::n, and Zio::p.

Referenced by lua_load().

char* luaZ_openspace	(	lua_State *	L,
		Mbuffer *	buff,
		size_t	n
	)

Definition at line 72 of file lzio.c.

References Mbuffer::buffer, Mbuffer::buffsize, LUA_MINBUFFER, and luaM_reallocvector.

Referenced by LoadString(), and luaV_concat().

size_t luaZ_read	(	ZIO *	z,
		void *	b,
		size_t	n
	)

Definition at line 50 of file lzio.c.

References EOZ, luaZ_fill(), Zio::n, and Zio::p.

Referenced by ezread().