def main()

in build-script.py [0:0]

• 68 lines of code
• 14 McCabe index (conditional complexity)

def main():
    args = parse_args()

    try:
        if not args.verify_generated_files:
            generate_gyb_files(
                args.gyb_exec,
                verbose=args.verbose,
                add_source_locations=args.add_source_locations,
            )
    except subprocess.CalledProcessError as e:
        printerr("FAIL: Generating .gyb files failed")
        printerr("Executing: %s" % " ".join(e.cmd))
        printerr(e.output)
        sys.exit(1)

    if args.verify_generated_files:
        try:
            success = verify_generated_files(args.gyb_exec, verbose=args.verbose)
        except subprocess.CalledProcessError as e:
            printerr(
                "FAIL: Gyb-generated files committed to repository do "
                "not match generated ones. Please re-generate the "
                "gyb-files and recommit them."
            )
            sys.exit(1)

    # Skip the rest of the build if we should perform degyb only
    if args.degyb_only:
        sys.exit(0)

    verify_c_syntax_nodes_match()

    if args.generate_xcodeproj:
        xcode_gen(config=args.xcconfig_path)
        sys.exit(0)

    try:
        builder = Builder(
            toolchain=args.toolchain,
            build_dir=realpath(args.build_dir),
            multiroot_data_file=args.multiroot_data_file,
            release=args.release,
            verbose=args.verbose,
            disable_sandbox=args.disable_sandbox,
        )
        # Until rdar://53881101 is implemented, we cannot request a build of multiple
        # targets simultaneously. For now, just build one product after the other.
        builder.build("SwiftSyntax")
        builder.build("SwiftSyntaxParser")

        # Only build lit-test-helper if we are planning to run tests
        if args.test:
            builder.build("lit-test-helper")
    except subprocess.CalledProcessError as e:
        printerr("FAIL: Building SwiftSyntax failed")
        printerr("Executing: %s" % " ".join(e.cmd))
        printerr(e.output)
        sys.exit(1)

    if args.test:
        try:
            success = run_tests(
                toolchain=args.toolchain,
                build_dir=realpath(args.build_dir),
                multiroot_data_file=args.multiroot_data_file,
                release=args.release,
                filecheck_exec=realpath(args.filecheck_exec),
                skip_lit_tests=args.skip_lit_tests,
                verbose=args.verbose,
            )
            if not success:
                # An error message has already been printed by the failing test
                # suite
                sys.exit(1)
            else:
                print("** All tests passed **")
        except subprocess.CalledProcessError as e:
            printerr("FAIL: Running tests failed")
            printerr("Executing: %s" % " ".join(e.cmd))
            printerr(e.output)
            sys.exit(1)