Program.ic

/**
 * Filler. Not hard set on the standard library.
 */
import File from utilities.io.File;
import FileStream from utilities.io.Streams;

namespace Compiler;

/**
 * I'm pretty hard set on main not having to be in a class,
 * but I'm not sure about allowing it.
 */
internal function main(args: string[]): void
{
    if(args.length < 1) throw InvalidArgumentsException();

    let file = new File(args[0]);

    let fileStream = new FileStream(file);

    let lexer = new Lexer();
    let parser = new Parser();

    /**
     * Lexer pipes token into parser.nextToken() as well as a lambda to print that caught token.
     * pipeTo() accepts an array, but will promote a single value to an array if it has the right
     * type.
     * 
     *     lexer.pipeTo(parser.nextToken());
     * 
     * Above would work as well without having to explicitly cater to it.
     */
    lexer.pipeTo([parser.nextToken(), (token: Token) => console.writeLine(token.name + " : " + token.value)]);

    

    // in keyword instead of colon because of the way types are specified.
    for(let line in fileStream)
    {
        lexer.nextLine(line);
    }

}