js-slang/dist/parser/scheme/index.js

Javascript-based implementations of Source, written in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SchemeParser = void 0;
const src_1 = require("../../alt-langs/scheme/scm-slang/src");
const types_1 = require("../../types");
const errors_1 = require("../errors");
const utils_1 = require("../utils");
class SchemeParser {
    constructor(chapter) {
        this.chapter = getSchemeChapter(chapter);
    }
    parse(programStr, context, options, throwOnError) {
        try {
            // parse the scheme code
            const estree = (0, src_1.schemeParse)(programStr, this.chapter, true);
            return estree;
        }
        catch (error) {
            if (error instanceof SyntaxError) {
                error = new errors_1.FatalSyntaxError((0, utils_1.positionToSourceLocation)(error.loc), error.toString());
            }
            if (throwOnError)
                throw error;
            context.errors.push(error);
        }
        return null;
    }
    validate(_ast, _context, _throwOnError) {
        return true;
    }
    toString() {
        return `SchemeParser{chapter: ${this.chapter}}`;
    }
}
exports.SchemeParser = SchemeParser;
function getSchemeChapter(chapter) {
    switch (chapter) {
        case types_1.Chapter.SCHEME_1:
            return 1;
        case types_1.Chapter.SCHEME_2:
            return 2;
        case types_1.Chapter.SCHEME_3:
            return 3;
        case types_1.Chapter.SCHEME_4:
            return 4;
        case types_1.Chapter.FULL_SCHEME:
            return Infinity;
        default:
            // Should never happen
            throw new Error(`SchemeParser was not given a valid chapter!`);
    }
}
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