hclang/lib/src/execute/hc-log.js

Homoiconic C: Programming without a Language

import chalk from 'chalk';
import { Frame } from '../frames.js';
import { HCEval } from './hc-eval.js';
export class HCLog extends Frame {
    constructor(context, prompt = false) {
        super(context);
        this.prompt = prompt;
    }
    apply(argument, _parameter = Frame.nil) {
        const debug = this.get('DEBUG');
        if (debug !== Frame.missing) {
            console.log(argument.id, argument);
        }
        if (argument !== Frame.nil && !argument.is.void && !argument.is.statement) {
            const output = argument.toString();
            if (this.prompt) {
                console.log(chalk.grey(HCEval.EXPECT + output));
            }
            else {
                const colorized = this.color(output);
                console.log(colorized);
            }
        }
        return argument;
    }
    color(output) {
        if (output[0] !== '$') {
            return output;
        }
        const flag = output[1];
        const part = output.split(' .n ');
        switch (flag) {
            case '+': return chalk.green(part[0]) + chalk.grey.italic(part[1]);
            case '-': return chalk.red(part[0]) + chalk.grey.italic(part[1]);
            default: return chalk.yellow(output);
        }
    }
}
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