premake/premake4.lua

144 lines
3.0 KiB
Lua

--
-- Premake 4.x build configuration script
--
if (_ACTION == "vs2002" or _ACTION == "vs2003") then
error(
"\nBecause of compiler limitations, Visual Studio 2002 and 2003 aren't able to\n" ..
"build this version of Premake. Use the free Visual Studio Express instead.", 0)
end
solution "Premake4"
configurations { "Release", "Debug" }
project "Premake4"
targetname "premake4"
language "C"
kind "ConsoleApp"
flags { "No64BitChecks", "ExtraWarnings", "FatalWarnings" }
includedirs { "src/host/lua-5.1.2/src" }
files
{
"src/**.h", "src/**.c", "src/**.lua", "src/**.tmpl",
"tests/**.lua"
}
excludes
{
"src/premake.lua",
"src/host/lua-5.1.2/src/lua.c",
"src/host/lua-5.1.2/src/luac.c",
"src/host/lua-5.1.2/src/print.c",
"src/host/lua-5.1.2/**.lua",
"src/host/lua-5.1.2/etc/*.c"
}
configuration "Debug"
targetdir "bin/debug"
defines "_DEBUG"
flags { "Symbols" }
configuration "Release"
targetdir "bin/release"
defines "NDEBUG"
flags { "OptimizeSize", "NoFramePointer" }
configuration "vs*"
defines { "_CRT_SECURE_NO_WARNINGS" }
--
-- A more thorough cleanup
--
function onclean()
os.rmdir("bin")
end
--
-- "Compile" action compiles scripts to bytecode and embeds into a static
-- data buffer in src/host/bytecode.c.
--
local function dumpfile(out, fname)
local func = loadfile(fname)
local dump = string.dump(func)
local len = string.len(dump)
out:write("\t\"")
for i=1,len do
out:write(string.format("\\%03o", string.byte(dump, i)))
end
out:write("\",\n")
return len
end
local function dumptmpl(out, fname)
local f = io.open(fname)
local tmpl = f:read("*a")
f:close()
local name = path.getbasename(fname)
local dump = "_TEMPLATES."..name.."=premake.loadtemplatestring('"..name.."',[["..tmpl.."]])"
local len = string.len(dump)
out:write("\t\"")
for i=1,len do
out:write(string.format("\\%03o", string.byte(dump, i)))
end
out:write("\",\n")
return len
end
local function docompile()
local sizes = { }
scripts, templates, actions = dofile("src/_manifest.lua")
table.insert(scripts, "_premake_main.lua")
local out = io.open("src/host/bytecode.c", "w+b")
out:write("/* Precompiled bytecodes for built-in Premake scripts */\n")
out:write("/* To regenerate this file, run `premake --compile` (Premake 3.x) */\n\n")
out:write("const char* builtin_bytecode[] = {\n")
for i,fn in ipairs(scripts) do
print(fn)
s = dumpfile(out, "src/"..fn)
table.insert(sizes, s)
end
for i,fn in ipairs(templates) do
print(fn)
s = dumptmpl(out, "src/"..fn)
table.insert(sizes, s)
end
for i,fn in ipairs(actions) do
print(fn)
s = dumpfile(out, "src/"..fn)
table.insert(sizes, s)
end
out:write("};\n\n");
out:write("int builtin_sizes[] = {\n")
for i,v in ipairs(sizes) do
out:write("\t"..v..",\n")
end
out:write("\t0\n};\n");
out:close()
end
premake.actions["compile"] = {
description = "Compile scripts to bytecode and embed in bytecode.c",
execute = docompile,
}