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The tree carried two prebuilt Lua static libraries and a copy of the Lua public headers. lua51.lib is 5.1.2 and matched the headers; lua51.vc9.lib is 5.1.4 and was dead weight — it came second in Ja2_Libraries, so the linker resolved every Lua symbol out of lua51.lib and never pulled an object from it. Just as well, since it asks for /DEFAULTLIB:MSVCRT while we build /MT. ext/lua-5.1.5 is the upstream tarball unmodified, built as lua51 the way the other vendored libraries are, and its src directory replaces lua/ as the home of lua.h, luaconf.h, lauxlib.h and lualib.h. Those four headers were stock 5.1.2 retabbed, so 5.1.5 is bugfix-only against what the game compiled against; the bytecode format is unchanged across 5.1.x and every script under gamedir is plain source anyway. lua/lua.hpp had no includers and returns to etc/ where upstream keeps it. /SAFESEH:NO goes with it. Its two stated reasons were lua51.lib and the smackw32 import library, and both are now gone: every remaining prebuilt static library is SAFESEH-clean (libexpatMT.lib 5 of 5 members with @feat.00 = 0x1, RakNetLibStatic.lib 79 of 79), and lld-link emits a 3155-entry SEHandlerTable without it. The /MT comment blamed the wrong library. lua51.lib carried no linker directives at all; RakNetLibStatic.lib is what pins us to the static runtime, with /DEFAULTLIB:LIBCMT and /DEFAULTLIB:libcpmt. Verified by building all four applications in Debug and Release, and by linking the tarball's own lua.c against our lua51.lib with the build's clang-cl flags and running it under Wine: 5.1 stdlib, GC, coroutines and the x86 __asm fld/fistp lua_number2int fast path all behave. The game itself could not be launched here — this checkout's gamedir has loose Data directories but no SLF archives, so VFS aborts on Data\Ambient.slf long before any script runs. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
39 lines
728 B
Lua
39 lines
728 B
Lua
-- trace assigments to global variables
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do
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-- a tostring that quotes strings. note the use of the original tostring.
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local _tostring=tostring
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local tostring=function(a)
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if type(a)=="string" then
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return string.format("%q",a)
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else
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return _tostring(a)
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end
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end
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local log=function (name,old,new)
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local t=debug.getinfo(3,"Sl")
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local line=t.currentline
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io.write(t.short_src)
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if line>=0 then io.write(":",line) end
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io.write(": ",name," is now ",tostring(new)," (was ",tostring(old),")","\n")
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end
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local g={}
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local set=function (t,name,value)
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log(name,g[name],value)
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g[name]=value
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end
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setmetatable(getfenv(),{__index=g,__newindex=set})
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end
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-- an example
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a=1
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b=2
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a=10
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b=20
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b=nil
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b=200
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print(a,b,c)
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