elna/source/main.d

import elna.backend;
import elna.ir;
import elna.arguments;
import std.path;
import std.sumtype;
import tanya.container.string;
import tanya.memory.allocator;
import tanya.memory.mmappool;

int main(string[] args)
{
    defaultAllocator = MmapPool.instance;

    return Arguments.parse(args).match!(
        (ArgumentError argumentError) => 4,
        (Arguments arguments) {
            String outputFilename;
            if (arguments.output is null)
            {
                outputFilename = arguments
                    .inFile
                    .baseName
                    .withExtension("o");
            }
            else
            {
                outputFilename = String(arguments.output);
            }

            return generate(arguments.inFile, outputFilename);
        }
    );
}