99 lines
2.4 KiB
Lua
99 lines
2.4 KiB
Lua
|
--
|
||
|
|
-- Embed the Lua scripts into src/host/scripts.c as static data buffers.
|
||
|
|
-- I embed the actual scripts, rather than Lua bytecodes, because the
|
||
|
|
-- bytecodes are not portable to different architectures, which causes
|
||
|
|
-- issues in Mac OS X Universal builds.
|
||
|
|
--
|
||
|
|
|
||
|
|
local scriptdir = path.getdirectory(_SCRIPT)
|
||
|
|
|
||
|
|
local function stripfile(fname)
|
||
|
|
local f = io.open(fname)
|
||
|
|
local s = assert(f:read("*a"))
|
||
|
|
f:close()
|
||
|
|
|
||
|
|
-- strip tabs
|
||
|
|
s = s:gsub("[\t]", "")
|
||
|
|
|
||
|
|
-- strip any CRs
|
||
|
|
s = s:gsub("[\r]", "")
|
||
|
|
|
||
|
|
-- strip out comments
|
||
|
|
s = s:gsub("\n%-%-[^\n]*", "")
|
||
|
|
|
||
|
|
-- escape backslashes
|
||
|
|
s = s:gsub("\\", "\\\\")
|
||
|
|
|
||
|
|
-- strip duplicate line feeds
|
||
|
|
s = s:gsub("\n+", "\n")
|
||
|
|
|
||
|
|
-- strip out leading comments
|
||
|
|
s = s:gsub("^%-%-\n", "")
|
||
|
|
|
||
|
|
-- escape line feeds
|
||
|
|
s = s:gsub("\n", "\\n")
|
||
|
|
|
||
|
|
-- escape double quote marks
|
||
|
|
s = s:gsub("\"", "\\\"")
|
||
|
|
|
||
|
|
return s
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
local function writeline(out, s, continues)
|
||
|
|
out:write("\t\"")
|
||
|
|
out:write(s)
|
||
|
|
out:write(iif(continues, "\"\n", "\",\n"))
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
local function writefile(out, fname, contents)
|
||
|
|
local max = 1024
|
||
|
|
|
||
|
|
out:write("\t/* " .. fname .. " */\n")
|
||
|
|
|
||
|
|
-- break up large strings to fit in Visual Studio's string length limit
|
||
|
|
local start = 1
|
||
|
|
local len = contents:len()
|
||
|
|
while start <= len do
|
||
|
|
local n = len - start
|
||
|
|
if n > max then n = max end
|
||
|
|
local finish = start + n
|
||
|
|
|
||
|
|
-- make sure I don't cut an escape sequence
|
||
|
|
while contents:sub(finish, finish) == "\\" do
|
||
|
|
finish = finish - 1
|
||
|
|
end
|
||
|
|
|
||
|
|
writeline(out, contents:sub(start, finish), finish < len)
|
||
|
|
start = finish + 1
|
||
|
|
end
|
||
|
|
|
||
|
|
out:write("\n")
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
function doembed()
|
||
|
|
-- load the manifest of script files
|
||
|
|
scripts = dofile(path.join(scriptdir, "../src/_manifest.lua"))
|
||
|
|
|
||
|
|
-- main script always goes at the end
|
||
|
|
table.insert(scripts, "_premake_main.lua")
|
||
|
|
|
||
|
|
-- open scripts.c and write the file header
|
||
|
|
local out = io.open(path.join(scriptdir, "../src/host/scripts.c"), "w+b")
|
||
|
|
out:write("/* Premake's Lua scripts, as static data buffers for release mode builds */\n")
|
||
|
|
out:write("/* DO NOT EDIT - this file is autogenerated - see BUILD.txt */\n")
|
||
|
|
out:write("/* To regenerate this file, run: premake4 embed */ \n\n")
|
||
|
|
out:write("const char* builtin_scripts[] = {\n")
|
||
|
|
|
||
|
|
for i,fn in ipairs(scripts) do
|
||
|
|
print(fn)
|
||
|
|
local s = stripfile(path.join(scriptdir,"../src/" .. fn))
|
||
|
|
writefile(out, fn, s)
|
||
|
|
end
|
||
|
|
|
||
|
|
out:write("\t0\n};\n");
|
||
|
|
out:close()
|
||
|
|
end
|