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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 1999-11-22 11:12:07 -0200 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 1999-11-22 11:12:07 -0200 |
commit | 29ede6aa13144ff7b69c57a87be1ee93f57ae896 (patch) | |
tree | adcfb5dcff7db55481cd675349e23dec0e63c939 /lbuffer.c | |
parent | 951897c09319ae5474a4b86bb7d615136577caa0 (diff) | |
download | lua-29ede6aa13144ff7b69c57a87be1ee93f57ae896.tar.gz lua-29ede6aa13144ff7b69c57a87be1ee93f57ae896.tar.bz2 lua-29ede6aa13144ff7b69c57a87be1ee93f57ae896.zip |
first implementation of multiple states (reentrant code).
Diffstat (limited to 'lbuffer.c')
-rw-r--r-- | lbuffer.c | 35 |
1 files changed, 18 insertions, 17 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: lbuffer.c,v 1.9 1999/02/26 15:48:55 roberto Exp roberto $ | 2 | ** $Id: lbuffer.c,v 1.10 1999/11/10 15:40:46 roberto Exp roberto $ |
3 | ** Auxiliary functions for building Lua libraries | 3 | ** Auxiliary functions for building Lua libraries |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -7,6 +7,8 @@ | |||
7 | 7 | ||
8 | #include <stdio.h> | 8 | #include <stdio.h> |
9 | 9 | ||
10 | #define LUA_REENTRANT | ||
11 | |||
10 | #include "lauxlib.h" | 12 | #include "lauxlib.h" |
11 | #include "lmem.h" | 13 | #include "lmem.h" |
12 | #include "lstate.h" | 14 | #include "lstate.h" |
@@ -20,55 +22,54 @@ | |||
20 | #define EXTRABUFF 32 | 22 | #define EXTRABUFF 32 |
21 | 23 | ||
22 | 24 | ||
23 | #define openspace(size) if (L->Mbuffnext+(size) > L->Mbuffsize) Openspace(size) | 25 | #define openspace(L, size) if (L->Mbuffnext+(size) > L->Mbuffsize) Openspace(L, size) |
24 | 26 | ||
25 | static void Openspace (int size) { | 27 | static void Openspace (lua_State *L, int size) { |
26 | lua_State *l = L; /* to optimize */ | 28 | L->Mbuffsize = (L->Mbuffnext+size+EXTRABUFF)*2; |
27 | l->Mbuffsize = (l->Mbuffnext+size+EXTRABUFF)*2; | 29 | luaM_reallocvector(L, L->Mbuffer, L->Mbuffsize, char); |
28 | luaM_reallocvector(l->Mbuffer, l->Mbuffsize, char); | ||
29 | } | 30 | } |
30 | 31 | ||
31 | 32 | ||
32 | char *luaL_openspace (int size) { | 33 | char *luaL_openspace (lua_State *L, int size) { |
33 | openspace(size); | 34 | openspace(L, size); |
34 | return L->Mbuffer+L->Mbuffnext; | 35 | return L->Mbuffer+L->Mbuffnext; |
35 | } | 36 | } |
36 | 37 | ||
37 | 38 | ||
38 | void luaL_addchar (int c) { | 39 | void luaL_addchar (lua_State *L, int c) { |
39 | openspace(1); | 40 | openspace(L, 1); |
40 | L->Mbuffer[L->Mbuffnext++] = (char)c; | 41 | L->Mbuffer[L->Mbuffnext++] = (char)c; |
41 | } | 42 | } |
42 | 43 | ||
43 | 44 | ||
44 | void luaL_resetbuffer (void) { | 45 | void luaL_resetbuffer (lua_State *L) { |
45 | L->Mbuffnext = L->Mbuffbase; | 46 | L->Mbuffnext = L->Mbuffbase; |
46 | } | 47 | } |
47 | 48 | ||
48 | 49 | ||
49 | void luaL_addsize (int n) { | 50 | void luaL_addsize (lua_State *L, int n) { |
50 | L->Mbuffnext += n; | 51 | L->Mbuffnext += n; |
51 | } | 52 | } |
52 | 53 | ||
53 | int luaL_getsize (void) { | 54 | int luaL_getsize (lua_State *L) { |
54 | return L->Mbuffnext-L->Mbuffbase; | 55 | return L->Mbuffnext-L->Mbuffbase; |
55 | } | 56 | } |
56 | 57 | ||
57 | int luaL_newbuffer (int size) { | 58 | int luaL_newbuffer (lua_State *L, int size) { |
58 | int old = L->Mbuffbase; | 59 | int old = L->Mbuffbase; |
59 | openspace(size); | 60 | openspace(L, size); |
60 | L->Mbuffbase = L->Mbuffnext; | 61 | L->Mbuffbase = L->Mbuffnext; |
61 | return old; | 62 | return old; |
62 | } | 63 | } |
63 | 64 | ||
64 | 65 | ||
65 | void luaL_oldbuffer (int old) { | 66 | void luaL_oldbuffer (lua_State *L, int old) { |
66 | L->Mbuffnext = L->Mbuffbase; | 67 | L->Mbuffnext = L->Mbuffbase; |
67 | L->Mbuffbase = old; | 68 | L->Mbuffbase = old; |
68 | } | 69 | } |
69 | 70 | ||
70 | 71 | ||
71 | char *luaL_buffer (void) { | 72 | char *luaL_buffer (lua_State *L) { |
72 | return L->Mbuffer+L->Mbuffbase; | 73 | return L->Mbuffer+L->Mbuffbase; |
73 | } | 74 | } |
74 | 75 | ||