mirror of
https://gitcode.com/JianFeeeee/LuaCangjia_api.git
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8aff33e402
- lib/lua 替换为 Lua 5.2.4 官方源码; CMakeLists 补 lbitlib.c(5.2 linit 注册 bit32)、删 lutf8lib.c(5.2 无此文件) - I/O 重定向机制改造: 5.2 无 lua_getextraspace → iopath 指针存入 Registry 固定索引(IOPATH_REG_IDX=1), 回调经 get_iopath() 取回, free_lua 时释放 —— 该方案同样适用于更低版本 - typed interop 版本自适应: capture_result() 的 lua_isinteger 分支用 #if LUA_VERSION_NUM >= 503 包裹, 5.2 及以下所有数字统一 CJT_NUM - 测试跨版本适配: PackagePathConfig 接受 require 的两种返回语义; typed 数值断言 EXPECT_INT_OR_NUM 宏兼容有无 integer 子类型; 大整数保真断言仅对 5.3+ 生效(5.2 经 double 必然丢精度) - 验证: GTest 44/44 通过
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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** $Id: lzio.h,v 1.26.1.1 2013/04/12 18:48:47 roberto Exp $
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** Buffered streams
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** See Copyright Notice in lua.h
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*/
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#ifndef lzio_h
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#define lzio_h
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#include "lua.h"
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#include "lmem.h"
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#define EOZ (-1) /* end of stream */
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typedef struct Zio ZIO;
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#define zgetc(z) (((z)->n--)>0 ? cast_uchar(*(z)->p++) : luaZ_fill(z))
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typedef struct Mbuffer {
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char *buffer;
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size_t n;
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size_t buffsize;
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} Mbuffer;
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#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)
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#define luaZ_buffer(buff) ((buff)->buffer)
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#define luaZ_sizebuffer(buff) ((buff)->buffsize)
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#define luaZ_bufflen(buff) ((buff)->n)
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#define luaZ_resetbuffer(buff) ((buff)->n = 0)
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#define luaZ_resizebuffer(L, buff, size) \
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(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
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(buff)->buffsize = size)
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#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)
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LUAI_FUNC char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n);
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LUAI_FUNC void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader,
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void *data);
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LUAI_FUNC size_t luaZ_read (ZIO* z, void* b, size_t n); /* read next n bytes */
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/* --------- Private Part ------------------ */
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struct Zio {
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size_t n; /* bytes still unread */
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const char *p; /* current position in buffer */
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lua_Reader reader; /* reader function */
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void* data; /* additional data */
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lua_State *L; /* Lua state (for reader) */
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};
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LUAI_FUNC int luaZ_fill (ZIO *z);
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#endif
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