diff options
Diffstat (limited to 'scripts/embed.lua')
| -rw-r--r-- | scripts/embed.lua | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/scripts/embed.lua b/scripts/embed.lua index 94b7cbf..014d2c5 100644 --- a/scripts/embed.lua +++ b/scripts/embed.lua @@ -1,7 +1,7 @@ -- -- 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 +-- 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. -- @@ -12,13 +12,18 @@ -- strip tabs s = s:gsub("[\t]", "") - + -- strip any CRs s = s:gsub("[\r]", "") - - -- strip out comments - s = s:gsub("\n%-%-[^\n]*", "") - + + -- strip out block comments + s = s:gsub("[^\"']%-%-%[%[.-%]%]", "") + s = s:gsub("[^\"']%-%-%[=%[.-%]=%]", "") + s = s:gsub("[^\"']%-%-%[==%[.-%]==%]", "") + + -- strip out inline comments + s = s:gsub("\n%-%-[^\n]*", "\n") + -- escape backslashes s = s:gsub("\\", "\\\\") @@ -26,14 +31,14 @@ s = s:gsub("\n+", "\n") -- strip out leading comments - s = s:gsub("^%-%-\n", "") + s = s:gsub("^%-%-[^\n]*\n", "") -- escape line feeds s = s:gsub("\n", "\\n") - + -- escape double quote marks s = s:gsub("\"", "\\\"") - + return s end @@ -43,14 +48,14 @@ 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 + + -- break up large strings to fit in Visual Studio's string length limit local start = 1 local len = contents:len() while start <= len do @@ -61,11 +66,11 @@ -- make sure I don't cut an escape sequence while contents:sub(finish, finish) == "\\" do finish = finish - 1 - end + end writeline(out, contents:sub(start, finish), finish < len) start = finish + 1 - end + end out:write("\n") end @@ -74,23 +79,23 @@ function doembed() -- load the manifest of script files scripts = dofile("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("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("src/" .. fn) writefile(out, fn, s) end - - out:write("\t0\n};\n"); + + out:write("\t0\n};\n"); out:close() end |