Re: For 0.9? Avoiding string copy

Hmm... obviously, I included windows.h and min() and max() were defined.

 

I believe you can patch luabind to explicitly not use these defines, as described here:

http://article.gmane.org/gmane.comp.lang.lua.bind.user/939

 


 


From: [email protected]
To: [email protected]
Date: Sat, 12 Dec 2009 21:24:00 +0100
Subject: Re: [luabind] For 0.9? Avoiding string copy



I tried your code with 0.9 and got a lot of compilation errors. What did I do wrong?
 
 
luabind\luabind\detail\inheritance.hpp(21) : warning C4003: not enough actual parameters for macro 'max'
luabind\luabind\detail\inheritance.hpp(21) : error C2589: '(' : illegal token on right side of '::'
luabind\luabind\detail\inheritance.hpp(21) : error C2059: syntax error : '::'
luabind\luabind\detail\inheritance.hpp(21) : error C2059: syntax error : ')'
luabind\luabind\detail\inheritance.hpp(21) : error C2059: syntax error : ')'
luabind\luabind\detail\call.hpp(54) : warning C4003: not enough actual parameters for macro 'max'
luabind\luabind\detail\call.hpp(53) : error C2589: '(' : illegal token on right side of '::'
luabind\luabind\detail\call.hpp(53) : error C2143: syntax error : missing ')' before '::'
luabind\luabind\detail\call.hpp(53) : error C2612: trailing '::' illegal in base/member initializer list
luabind\luabind\detail\call.hpp(53) : error C2589: '(' : illegal token on right side of '::'
luabind\luabind\detail\call.hpp(53) : error C2143: syntax error : missing ';' before '::'
luabind\luabind\detail\call.hpp(53) : error C2059: syntax error : ')'
luabind\luabind\detail\call.hpp(56) : error C2143: syntax error : missing ';' before '{'
luabind\luabind\detail\call.hpp(70) : error C2951: template declarations are only permitted at global, namespace, or class scope
luabind\luabind\detail\call.hpp(79) : error C2888: 'int invoke0(lua_State *,const luabind::detail::function_object &,luabind::detail::invoke_context &,const F &,Signature,const Policies &,IsVoid,boost::mpl::true_)' : symbol cannot be defined within namespace 'detail'
luabind\luabind\detail\call.hpp(79) : fatal error C1506: unrecoverable block scoping error

 
Thanks!

 
> Date: Wed, 9 Dec 2009 17:58:01 +0100
> From: [email protected]
> To: [email protected]
> Subject: Re: [luabind] For 0.9? Avoiding string copy
> 
> Kristoffer Danielsson wrote:
> > Any chance you could add such a wrapper for 0.9? It's really painful
> > to copy strings that do not need to be copied!
> 
> 0.9 is (mostly) in feature freeze, so I won't add anything like that at
> least for now. You can easily do it by yourself though:
> 
> struct cstring_with_length
> {
> cstring_with_length(char const* s, std::size_t len)
> : s(s)
> , len(len)
> {}
> 
> char const* s;
> std::size_t len;
> };
> 
> namespace luabind
> {
> 
> template <>
> struct default_converter<cstring_with_length>
> : native_converter_base<cstring_with_length>
> {
> void to(lua_State* L, cstring_with_length const& str)
> {
> lua_pushlstring(L, str.s, str.len);
> }
> };
> 
> } // namespace luabind
> 
> -- 
> Daniel Wallin
> BoostPro Computing
> http://www.boostpro.com
> 
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