Brunobkr/llama.cpp_AlgMor24_github

1import defineFunction from "../defineFunction";2import ParseError from "../ParseError";3import {assertNodeType} from "../parseNode";4 5// \@char is an internal function that takes a grouped decimal argument like6// {123} and converts into symbol with code 123.  It is used by the *macro*7// \char defined in macros.js.8defineFunction({9    type: "textord",10    names: ["\\@char"],11    props: {12        numArgs: 1,13        allowedInText: true,14    },15    handler({parser}, args) {16        const arg = assertNodeType(args[0], "ordgroup");17        const group = arg.body;18        let number = "";19        for (let i = 0; i < group.length; i++) {20            const node = assertNodeType(group[i], "textord");21            number += node.text;22        }23        let code = parseInt(number);24        let text;25        if (isNaN(code)) {26            throw new ParseError(`\\@char has non-numeric argument ${number}`);27        // If we drop IE support, the following code could be replaced with28        // text = String.fromCodePoint(code)29        } else if (code < 0 || code >= 0x10ffff) {30            throw new ParseError(`\\@char with invalid code point ${number}`);31        } else if (code <= 0xffff) {32            text = String.fromCharCode(code);33        } else { // Astral code point; split into surrogate halves34            code -= 0x10000;35            text = String.fromCharCode((code >> 10) + 0xd800,36                                       (code & 0x3ff) + 0xdc00);37        }38        return {39            type: "textord",40            mode: parser.mode,41            text: text,42        };43    },44});45