calcium-lang/dist/runtime/environment.d.ts

Calcium language interpreter

import Address from "./address";
import { Block } from "./block";
import Namespace from "./namespace";
import OutputFunction from "./outputFunction";
import Statement from "./statement";
import { InternalType } from "../type";
import { Command } from "../command";
/**
 * the runtime environment that has data to control the execution
 */
export default class Environment {
    /**
     * the current point of the execution
     */
    address: Address;
    /**
     * a stack of command blocks
     */
    blocks: Block[];
    /**
     * used when a function call is returned, and the command is restarted
     */
    commandsWithCall: {
        address: Address;
        command: Command;
        returnedValue?: InternalType;
    }[];
    /**
     * an array that contains code lines
     */
    code: Statement[];
    /**
     * the current context that has associations from a name to the value
     */
    context: Namespace;
    exception?: Error;
    /**
     * an external function to output from built-in print function
     */
    funcToOutput?: OutputFunction;
    /**
     * used to return a value from a function
     */
    returnedValue: InternalType;
    /**
     * a call stack
     */
    callStack: Namespace[];
    /**
     *
     * @param code must be a valid JSON array or its stringified representation.
     * @param builtin the namespace for built-in objects
     */
    constructor(code: string | Statement[], builtin: Namespace);
    /**
     * get the current line index in the code array
     */
    get currentLineIndex(): number;
    get exceptionThrown(): boolean;
    /**
     * get the last block that had been entered
     */
    get lastBlock(): Block;
}