pss-langserver/dist/parser/ast.js

A Language server for the Portable Stimulus Standard

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildAST = buildAST;
exports.buildASTNew = buildASTNew;
/*
 * Copyright (C) 2025 Darshan(@thisisthedarshan)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
const antlr4_1 = require("antlr4");
const pss_1 = __importDefault(require("../grammar/pss"));
const pssLex_1 = __importDefault(require("../grammar/pssLex"));
const visitors_1 = require("./visitors");
const advancedVisitor_1 = require("./advancedVisitor");
function buildAST(fileURI, fileContents) {
    let inputStream = new antlr4_1.CharStream(fileContents);
    let lexer = new pssLex_1.default(inputStream);
    let tokenStream = new antlr4_1.CommonTokenStream(lexer);
    let parser = new pss_1.default(tokenStream);
    parser.removeErrorListeners(); /* No need for error listener for now */
    /*parser.addErrorListener(new PSSErrorListener())*/
    let tree = parser.pss_entry();
    let myVisitor = new visitors_1.visitor(tokenStream, fileURI);
    tree.accept(myVisitor);
    return [...new Set(myVisitor.getMeta())];
}
function buildASTNew(fileURI, fileContents) {
    let inputStream = new antlr4_1.CharStream(fileContents);
    let lexer = new pssLex_1.default(inputStream);
    let tokenStream = new antlr4_1.CommonTokenStream(lexer);
    let parser = new pss_1.default(tokenStream);
    let myVisitor = new advancedVisitor_1.advancedVisitor(tokenStream, fileURI);
    parser.removeErrorListeners(); /* No need for error listener for now */
    /*parser.addErrorListener(new PSSErrorListener())*/
    let errStrategy = new antlr4_1.BailErrorStrategy();
    try {
        parser._interp.predictionMode = antlr4_1.PredictionMode.SLL;
        errStrategy = parser._errHandler;
        parser._errHandler = new antlr4_1.BailErrorStrategy();
        parser.pss_entry().accept(myVisitor);
    }
    catch (e) {
        try {
            parser._interp.predictionMode = antlr4_1.PredictionMode.LL;
            parser._errHandler = errStrategy;
            parser.pss_entry().accept(myVisitor);
        }
        catch (e) {
            // console.warn("Parsing failed for file: ", fileURI.substring(fileURI.lastIndexOf("/") + 1));
            // const msg = e as Error;
            // console.warn(msg.message);
            return [];
        }
        // console.warn("Parsing failed for file: ", fileURI.substring(fileURI.lastIndexOf("/") + 1));
        // const msg = e as Error;
        // console.warn(msg.message);
    }
    const res = myVisitor.getAstObjects();
    // writeFileSync(fileURLToPath(fileURI) + '-lsp.json', JSON.stringify(res, null, 4), 'utf-8');
    return res;
}