@CLS

@REM *** Settings ***

@REM BASE        = root directory of metalua sources
@REM DISTRIB_BIN = metalua executables target directory
@REM DISTRIB_LIB = metalua libraries target directory, can be an existing path referenced in LUA_PATH
@REM LUA, LUAC   = Lua executables, provided by metalua by default.

@REM --- BEGINNING OF USER-EDITABLE PART ---

@set BASE=%CD%
@set DISTRIB=%BASE%\..\distrib
@set DISTRIB_BIN=%DISTRIB%\bin
@set DISTRIB_LIB=%DISTRIB%\lib
@set LUA=%DISTRIB_BIN%\lua
@set LUAC=%DISTRIB_BIN%\luac

@REM --- END OF USER-EDITABLE PART ---


@REM *** Create the distribution directories, populate them with lib sources ***

mkdir %DISTRIB%
mkdir %DISTRIB_BIN%
mkdir %DISTRIB_LIB%
xcopy /y /s lib %DISTRIB_LIB%
xcopy /y /s bin %DISTRIB_BIN%

@REM *** Generate a callable batch metalua.bat script ***

echo @set LUA_PATH=?.luac;?.lua;%DISTRIB_LIB%\?.luac;%DISTRIB_LIB%\?.lua > %DISTRIB_BIN%\metalua.bat
echo @set LUA_MPATH=?.mlua;%DISTRIB_LIB%\?.mlua >> %DISTRIB_BIN%\metalua.bat
echo @%LUA% %DISTRIB_LIB%\metalua.luac %%* >> %DISTRIB_BIN%\metalua.bat


@REM *** Compiling the parts of the compiler written in plain Lua ***

cd compiler
%LUAC% -o %DISTRIB_LIB%\metalua\bytecode.luac lopcodes.lua lcode.lua ldump.lua compile.lua
%LUAC% -o %DISTRIB_LIB%\metalua\mlp.luac lexer.lua gg.lua mlp_lexer.lua mlp_misc.lua mlp_table.lua mlp_meta.lua mlp_expr.lua mlp_stat.lua mlp_ext.lua
cd ..

@REM *** Bootstrap the parts of the compiler written in metalua ***

%LUA% %BASE%\build-utils\bootstrap.lua %BASE%\compiler\mlc.mlua output=%DISTRIB_LIB%\metalua\mlc.luac
%LUA% %BASE%\build-utils\bootstrap.lua %BASE%\compiler\metalua.mlua output=%DISTRIB_LIB%\metalua.luac

@REM *** Finish the bootstrap: recompile the metalua parts of the compiler with itself ***

call %DISTRIB_BIN%\metalua -vb -f compiler\mlc.mlua     -o %DISTRIB_LIB%\metalua\mlc.luac
call %DISTRIB_BIN%\metalua -vb -f compiler\metalua.mlua -o %DISTRIB_LIB%\metalua.luac

@REM *** Precompile metalua libraries ***
%LUA% %BASE%\build-utils\precompile.lua directory=%DISTRIB_LIB% command=%DISTRIB_BIN%\metalua