Support build for Lua 5.1 (for LuaJIT), Lua 5.2 and Lua 5.3 (Step 2/?)

See #195

VS2012/civetweb_lua/civetweb_lua.vcxproj

@@ -119,7 +119,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>USE_IPV6;LUA_COMPAT_ALL;USE_LUA;USE_LUA_SQLITE3;USE_LUA_FILE_SYSTEM;USE_WEBSOCKET;WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -133,7 +133,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>USE_IPV6;LUA_COMPAT_ALL;USE_LUA;USE_LUA_SQLITE3;USE_LUA_FILE_SYSTEM;USE_WEBSOCKET;WIN32;CONSOLE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -177,7 +177,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>USE_IPV6;LUA_COMPAT_ALL;USE_LUA;USE_LUA_SQLITE3;USE_LUA_FILE_SYSTEM;USE_WEBSOCKET;WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)..\..\include;$(ProjectDir)..\..\src\third_party;$(ProjectDir)..\..\src\third_party\lua-5.2.4\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -209,6 +209,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\include\civetweb.h" />
+    <ClInclude Include="..\..\src\third_party\civetweb_lua.h" />
     <ClInclude Include="..\..\src\third_party\lua-5.2.4\src\lauxlib.h" />
     <ClInclude Include="..\..\src\third_party\lua-5.2.4\src\lua.h" />
   </ItemGroup>

VS2012/civetweb_lua/civetweb_lua.vcxproj.filters

@@ -30,6 +30,9 @@
     <ClInclude Include="..\..\src\third_party\lua-5.2.4\src\lauxlib.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\third_party\civetweb_lua.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\civetweb.c">

src/mod_lua.inl

@@ -1,29 +1,7 @@
-#include <lua.h>
-#include <lauxlib.h>
+#include "civetweb_lua.h"
+
 #include "lua_civet.h"
 
-#ifndef LUA_VERSION_NUM
-#error "Unknown Lua version"
-
-#elif LUA_VERSION_NUM == 501
-/* Lua 5.1 detected */
-#define LUA_OK 0
-#define LUA_ERRGCMM 999 /* not supported */
-#define mg_lua_load(a,b,c,d,e) lua_load(a,b,c,d)
-#define lua_rawlen lua_objlen
-#define lua_newstate(a, b) luaL_newstate() /* Must use luaL_newstate() for 64 bit target */
-
-#elif LUA_VERSION_NUM == 502
-/* Lua 5.2 detected */
-#define mg_lua_load lua_load
-
-#elif LUA_VERSION_NUM == 503
-/* Lua 5.3 detected */
-#define mg_lua_load lua_load
-
-#endif
-
-
 #ifdef _WIN32
 static void *
 mmap(void *addr, int64_t len, int prot, int flags, int fd, int offset)

src/third_party/civetweb_lua.h

@@ -0,0 +1,56 @@
+/* Copyright (c) 2015 the Civetweb developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+ /* This header is intended to support Lua 5.1, Lua 5.2 and Lua 5.3 in the same
+  * C source code.
+  */
+
+#ifndef CIVETWEB_LUA_H
+#define CIVETWEB_LUA_H
+
+#define LUA_LIB
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+
+#ifndef LUA_VERSION_NUM
+#error "Unknown Lua version"
+
+#elif LUA_VERSION_NUM == 501
+/* Lua 5.1 detected */
+#define LUA_OK 0
+#define LUA_ERRGCMM 999 /* not supported */
+#define mg_lua_load(a,b,c,d,e) lua_load(a,b,c,d)
+#define lua_rawlen lua_objlen
+#define lua_newstate(a, b) luaL_newstate() /* Must use luaL_newstate() for 64 bit target */
+#define lua_pushinteger lua_pushnumber
+
+#elif LUA_VERSION_NUM == 502
+/* Lua 5.2 detected */
+#define mg_lua_load lua_load
+
+#elif LUA_VERSION_NUM == 503
+/* Lua 5.3 detected */
+#define mg_lua_load lua_load
+
+#endif
+
+#endif /* #ifndef CIVETWEB_LUA_H */

src/third_party/lfs.c

@@ -64,9 +64,7 @@
 #include <utime.h>
 #endif
 
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
+#include "civetweb_lua.h"
 
 #include "lfs.h"
 

src/third_party/lsqlite3.c

@@ -30,13 +30,7 @@
 #include <string.h>
 #include <assert.h>
 
-#define LUA_LIB
-#include "lua.h"
-#include "lauxlib.h"
-
-#if LUA_VERSION_NUM == 501
-#define lua_pushinteger lua_pushnumber
-#endif
+#include "civetweb_lua.h"
 
 #if LUA_VERSION_NUM > 501
 /*