Support for VS2015 through VS2022 in Premake 4

.hgignore

@@ -35,3 +35,6 @@ Scratchpad.txt
 Unix Worksheet.worksheet
 project.bbprojectdata
 Premake4.tmproj
+
+.git
+.git/**

scripts/embed.lua

@@ -5,40 +5,29 @@
 -- issues in Mac OS X Universal builds.
 --
 
-	local function stripfile(fname)
-		local f = io.open(fname)
-		local s = assert(f:read("*a"))
-		f:close()
-
-		-- strip tabs
-		s = s:gsub("[\t]", "")
+	local raw_sum = 0
+	local trim_sum = 0
 
+	local function stripfile(fname)
+		dofile("scripts/luasrcdiet/LuaSrcDiet.lua")
+		-- Let LuaSrcDiet do its job
+		local s,l = get_slim_luasrc(fname)
+		-- Now do some cleanup so we can write these out as C strings
 		-- strip any CRs
 		s = s:gsub("[\r]", "")
 
-		-- strip out block comments
-		s = s:gsub("[^\"']%-%-%[%[.-%]%]", "")
-		s = s:gsub("[^\"']%-%-%[=%[.-%]=%]", "")
-		s = s:gsub("[^\"']%-%-%[==%[.-%]==%]", "")
-
-		-- strip out inline comments
-		s = s:gsub("\n%-%-[^\n]*", "\n")
+		-- overall counters
+		raw_sum = raw_sum + l:len()
+		trim_sum = trim_sum + s:len()
 
 		-- escape backslashes
 		s = s:gsub("\\", "\\\\")
 
-		-- strip duplicate line feeds
-		s = s:gsub("\n+", "\n")
-
-		-- strip out leading comments
-		s = s:gsub("^%-%-[^\n]*\n", "")
-
 		-- escape line feeds
 		s = s:gsub("\n", "\\n")
 
 		-- escape double quote marks
 		s = s:gsub("\"", "\\\"")
-
 		return s
 	end
 
@@ -77,6 +66,9 @@
 
 
 	function doembed()
+		raw_sum = 0
+		trim_sum = 0
+		fnames = "const char* builtin_script_fnames[] = {"
 		-- load the manifest of script files
 		scripts = dofile("src/_manifest.lua")
 
@@ -93,9 +85,14 @@
 		for i,fn in ipairs(scripts) do
 			print(fn)
 			local s = stripfile("src/" .. fn)
+			fnames = fnames .. "\n" .. "\t\"@" .. fn .. "\","
 			writefile(out, fn, s)
 		end
 
-		out:write("\t0\n};\n");
+		out:write("\t0\n};\n\n");
+		out:write(fnames);
+		out:write("\n\t0\n};\n");
+
 		out:close()
+		print(string.format("Lua scripts trimmed down to %2.1f%% of original size (%d/%d)", (trim_sum / raw_sum) * 100, trim_sum, raw_sum))
 	end

scripts/luasrcdiet/COPYRIGHT

@@ -0,0 +1,45 @@
+LuaSrcDiet License
+------------------
+
+LuaSrcDiet is licensed under the terms of the MIT license reproduced
+below. This means that LuaSrcDiet is free software and can be used for
+both academic and commercial purposes at absolutely no cost.
+
+Think of LuaSrcDiet as a compiler or a text filter; whatever that is
+processed by LuaSrcDiet is not affected by its license. It does not add
+anything new into your source code; it only transforms code that already
+exist.
+
+Hence, there is no need to tag this license onto Lua programs that are
+only processed. Given the liberal terms of this kind of license, the
+primary purpose is just to claim authorship of LuaSrcDiet.
+
+Parts of LuaSrcDiet is based on Lua 5 code. See the file COPYRIGHT_Lua51
+(Lua 5.1.4) for Lua 5's license.
+
+===============================================================================
+
+Copyright (C) 2005-2008,2011 Kein-Hong Man <keinhong@gmail.com>
+Lua 5.1.4 Copyright (C) 1994-2008 Lua.org, PUC-Rio.
+
+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.
+
+===============================================================================
+
+(end of COPYRIGHT)

scripts/luasrcdiet/COPYRIGHT_Lua51

@@ -0,0 +1,34 @@
+Lua License
+-----------
+
+Lua is licensed under the terms of the MIT license reproduced below.
+This means that Lua is free software and can be used for both academic
+and commercial purposes at absolutely no cost.
+
+For details and rationale, see http://www.lua.org/license.html .
+
+===============================================================================
+
+Copyright (C) 1994-2008 Lua.org, PUC-Rio.
+
+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.
+
+===============================================================================
+
+(end of COPYRIGHT)