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- Subject: #including foo.lua file directly into C++11 code
- From: Bulat Ziganshin <bulat.ziganshin@...>
- Date: Tue, 24 Mar 2015 19:26:29 +0300
Hello Lua,
Note: i found solution and described it at the end of message
I have 200-line Lua script included in C++ code. In order to use Lua
syntax higlightning, I placed this script into file Startup.lua and
wrote a trivial script that converts it to the C++ code like that:
const char* startup_code = R"fsdfw43r4(
my Lua code...
)fsdfw43r4";
Now i'm trying to get rid of those extra files (converter.lua and
converted-startup.cpp) and include Startup.lua contents directly to
C++ code. My first attempt failed:
const char* startup_code = R"fsdfw43r4(
#include "Startup.lua"
)fsdfw43r4";
(preprocessor isn't fired inside string constants)
So now i'm thinking about the ways to hide a bit of C++ code in
Startup.lua file, sort of:
-- const char* startup_code = R"fsdfw43r4(
my Lua code...
-- )fsdfw43r4";
The last line is fine, but i can't find the way to deal with the first
one (i.e. write some code ignored by the Lua interpreter and equivalent to
const char* startup_code = R"fsdfw43r4(
for C++ compiler). Any ideas?
PS: on the second thought, i resolved it into the C++ code:
LuaInstance() {int a=0;
#include "Startup.lua"
}
const char* startup_code;
with corresponding Lua code:
--a; startup_code = R"fsdfw43r4(
..............
-- )fsdfw43r4";
Do you have better ideas? Should i publish this trick on Lua wiki
and what is the best place?
--
Best regards,
Bulat mailto:Bulat.Ziganshin@gmail.com