diff options
Diffstat (limited to 'doc/readme.html')
| -rw-r--r-- | doc/readme.html | 76 |
1 files changed, 56 insertions, 20 deletions
diff --git a/doc/readme.html b/doc/readme.html index 6d9e601e..076dd81f 100644 --- a/doc/readme.html +++ b/doc/readme.html @@ -9,25 +9,31 @@ blockquote, .display { color: black ; padding: 8px ; border: solid #a0a0a0 2px ; - background-color: #EFEFFF ; + xbackground-color: #EFEFFF ; margin-left: 0px ; } -.review { - color: red ; -} - .external { padding-right: 15px; background: transparent url(external.png) no-repeat center right; } -tt, kbd { +tt, kbd, code { font-size: 120% ; xcolor: black ; xpadding: 4px ; xbackground-color: #E0E0E0 ; } + +kbd { + color: black ; + background-color: #E8E8E8 ; +} + +.review { + color: red ; +} + </STYLE> </HEAD> @@ -39,6 +45,11 @@ tt, kbd { Welcome to Lua 5.2 </H1> +<IMG SRC="alert.png" ALIGN="absbottom"> +<EM>This is a work version of Lua 5.2. +Everything may change in the final version.</EM> +<P> + <A HREF="#about">about</A> · <A HREF="#install">installation</A> @@ -51,11 +62,6 @@ Welcome to Lua 5.2 <HR> <P> -<P> -<IMG SRC="alert.png" ALIGN="absbottom"> -<EM>This is a work version of Lua 5.2. -All details may change in the final version.</EM> - <H2><A NAME="about">About Lua</A></H2> Lua is a powerful, fast, lightweight, embeddable scripting language @@ -270,6 +276,24 @@ compiler: <H2><A NAME="changes">Changes since Lua 5.1</A></H2> +<IMG SRC="alert.png" ALIGN="absbottom"> +<EM>Everything may change in the final version.</EM> +<P> + +Here are the main changes since the previous work version: +<UL> +<LI> new <CODE>_ENV</CODE> proposal +<LI> generational collector (very experimental) +<LI> light C functions + +<LI> order tag methods follow the same rules of other binary operators +<LI> <CODE>lua_absindex</CODE> +<LI> \0 in patterns +<LI> empty statement +<LI> options in <CODE>io.lines</CODE> +</UL> +<P> + Here are the main changes in Lua since its last release. The <A HREF="contents.html">reference manual</A> @@ -281,13 +305,13 @@ lists the <UL> <LI> new lexical environments. <LI> no more fenv for threads. -<LI> ephemeron tables. -<LI> yieldable pcall/metamethods. +<LI> ephemeron tables + (tables with weak keys only visit value when key is accessible). +<LI> yieldable pcall and metamethods. <LI> tables honor the <CODE>__len</CODE> metamethod. <LI> max constants per function raised to 2^26. <LI> hex escapes in strings. <LI> no more verification of opcode consistency. - </UL> <H3>Libraries</H3> @@ -299,27 +323,39 @@ lists the <LI> <CODE>loadlib</CODE> may load libraries with global names (RTLD_GLOBAL). <LI> new function <CODE>package.searchpath</CODE>. <LI> optional base in <CODE>math.log</CODE>. -<LI> <CODE>file:write</CODE> returns file. +<LI> <CODE>file:write</CODE> returns <CODE>file</CODE>. <LI> closing a pipe returns exit status. <LI> <CODE>os.exit</CODE> may close state. <LI> new option 'isrunning' for <CODE>collectgarbage</CODE> and <CODE>lua_gc</CODE>. <LI> frontier patterns. <LI> <CODE>ipairs</CODE> now goes until #t. +</UL> +<H3>C API</H3> +<UL> +<LI> mainthread predefined in the registry. +<LI> <CODE>lua_cpcall</CODE> changed to a predefined function in the registry. +<LI> new constants <CODE>LUA_OK</CODE> and <CODE>LUA_ERRGCMM</CODE>. +<LI> new <CODE>lua_compare</CODE>, <CODE>lua_arith</CODE>, and <CODE>lua_len</CODE>. +<LI> new <CODE>lua_version</CODE> and <CODE>luaL_version</CODE>. +<LI> <CODE>lua_pushstring</CODE> and <CODE>pushlstring</CODE> return string. +<LI> new <CODE>luaL_testudata</CODE>. +<LI> new <CODE>luaL_tolstring</CODE>. +<LI> new <CODE>lua_copy</CODE>. +<LI> new <CODE>lua_upvalueid</CODE> and <CODE>lua_upvaluejoin</CODE>. +<LI> <CODE>nparams</CODE> and <CODE>isvarag</CODE> available in debug API. </UL> <H3>Implementation</H3> <UL> <LI> emergency garbage collector (core forces a full collection when allocation fails). -<LI> ephemeron tables - (tables with weak keys only visit value when key is accessible) -<LI> handling of non-string error messages in the standalone interpreter. <LI> udata with finalizers are kept in a separated list for the GC. <LI> CallInfo stack now is a linked list. <LI> internal (immutable) version of ctypes. <LI> parser uses much less C-stack space (no more auto arrays). <LI> new hash for floats. +<LI> handling of non-string error messages in the standalone interpreter. </UL> @@ -372,10 +408,10 @@ THE SOFTWARE. <HR> <SMALL> Last update: -Wed Jan 13 15:35:05 BRST 2010 +Tue May 18 13:59:06 BRT 2010 </SMALL> <!-- -Last change: revised for Lua 5.2.0 (work2) +Last change: revised for Lua 5.2.0 (work3) --> </BODY> |