import os
import shutil
import subprocess

os.chdir('deps/llvm')

args = [
    '-B=build',
    '-S=./llvm',
    '-G=Ninja',
    '-DLLVM_USE_LINKER=lld',
    '-DCMAKE_C_COMPILER=clang',
    '-DCMAKE_CXX_COMPILER=clang++',
    '-DBUILD_SHARED_LIBS=ON',
    '-DCMAKE_BUILD_TYPE=Debug',
    '-DLLVM_TARGETS_TO_BUILD=X86',
    '-DLLVM_ENABLE_PROJECTS=clang',
    '-DCMAKE_INSTALL_PREFIX=./build-install',
]

subprocess.run(['cmake'] + args)
subprocess.run(['cmake', '--build', 'build', '--target', 'clang'])
subprocess.run(['cmake', '--build', 'build', '--target', 'install'])

src = "./clang/lib/Sema/"
dst = "./build-install/include/clang/Sema/"

for file in ["CoroutineStmtBuilder.h", "TypeLocBuilder.h", "TreeTransform.h"]:
    shutil.copyfile(src + file, dst + file)
    print(f"Copying {src + file} to {dst + file}")