diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-02-18 15:19:40 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-02-18 15:19:40 +0000 |
commit | bad5df60cd53f774b59edd997ec3ff30fba67cac (patch) | |
tree | fa7866ca8ea7529beb61a5b4a446302a50dd617b /Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h | |
parent | 6c4ba6b7612a1bfdf20246a22c71e0640471807b (diff) |
libs/luajit: New convention
git-svn-id: svn://tug.org/texlive/trunk@39765 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h')
-rw-r--r-- | Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h b/Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h new file mode 100644 index 00000000000..c8975be1c9f --- /dev/null +++ b/Build/source/libs/luajit/LuaJIT-src/src/lj_cdata.h @@ -0,0 +1,76 @@ +/* +** C data management. +** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h +*/ + +#ifndef _LJ_CDATA_H +#define _LJ_CDATA_H + +#include "lj_obj.h" +#include "lj_gc.h" +#include "lj_ctype.h" + +#if LJ_HASFFI + +/* Get C data pointer. */ +static LJ_AINLINE void *cdata_getptr(void *p, CTSize sz) +{ + if (LJ_64 && sz == 4) { /* Support 32 bit pointers on 64 bit targets. */ + return ((void *)(uintptr_t)*(uint32_t *)p); + } else { + lua_assert(sz == CTSIZE_PTR); + return *(void **)p; + } +} + +/* Set C data pointer. */ +static LJ_AINLINE void cdata_setptr(void *p, CTSize sz, const void *v) +{ + if (LJ_64 && sz == 4) { /* Support 32 bit pointers on 64 bit targets. */ + *(uint32_t *)p = (uint32_t)(uintptr_t)v; + } else { + lua_assert(sz == CTSIZE_PTR); + *(void **)p = (void *)v; + } +} + +/* Allocate fixed-size C data object. */ +static LJ_AINLINE GCcdata *lj_cdata_new(CTState *cts, CTypeID id, CTSize sz) +{ + GCcdata *cd; +#ifdef LUA_USE_ASSERT + CType *ct = ctype_raw(cts, id); + lua_assert((ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR) == sz); +#endif + cd = (GCcdata *)lj_mem_newgco(cts->L, sizeof(GCcdata) + sz); + cd->gct = ~LJ_TCDATA; + cd->ctypeid = ctype_check(cts, id); + return cd; +} + +/* Variant which works without a valid CTState. */ +static LJ_AINLINE GCcdata *lj_cdata_new_(lua_State *L, CTypeID id, CTSize sz) +{ + GCcdata *cd = (GCcdata *)lj_mem_newgco(L, sizeof(GCcdata) + sz); + cd->gct = ~LJ_TCDATA; + cd->ctypeid = id; + return cd; +} + +LJ_FUNC GCcdata *lj_cdata_newref(CTState *cts, const void *pp, CTypeID id); +LJ_FUNC GCcdata *lj_cdata_newv(lua_State *L, CTypeID id, CTSize sz, + CTSize align); + +LJ_FUNC void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd); +LJ_FUNC void lj_cdata_setfin(lua_State *L, GCcdata *cd, GCobj *obj, + uint32_t it); + +LJ_FUNC CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key, + uint8_t **pp, CTInfo *qual); +LJ_FUNC int lj_cdata_get(CTState *cts, CType *s, TValue *o, uint8_t *sp); +LJ_FUNC void lj_cdata_set(CTState *cts, CType *d, uint8_t *dp, TValue *o, + CTInfo qual); + +#endif + +#endif |