calcium-lang/dist/util/invoke.js

Calcium language interpreter

import { Block, Kind, Result } from "../runtime/block";
import Namespace from "../runtime/namespace";
import { FunctionCalled } from "../error";
import evaluate from "./evaluate";
export default function invoke({ address, args, env, params, parent, }) {
    const callerAddr = env.address.clone();
    const local = new Namespace(parent);
    for (let i = 0; i < args.length; ++i) {
        local.register(params[i], evaluate(args[i], env));
    }
    const calleeAddr = address.clone();
    calleeAddr.call = callerAddr.call + 1;
    const block = new Block(Kind.Call, calleeAddr, (env) => {
        env.callStack.push(env.context);
        env.context = local;
        return true;
    }, (env) => {
        env.address.jump(callerAddr);
        env.address.call -= 1;
        env.address.skip(-1);
        env.context = env.callStack.pop();
        return Result.Jumpped;
    });
    block.willEnter(env);
    throw new FunctionCalled();
}
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