simc-ast-builder/dist/parser/Parser.js

Parser and AST generator for SimulationCraft files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Parser = void 0;
const antlr4ts_1 = require("antlr4ts");
const types_1 = require("../types");
const ConditionOptimizer_1 = require("../utils/ConditionOptimizer");
const SimCExprLexer_1 = require("./antlr4/SimCExprLexer");
const SimCExprParser_1 = require("./antlr4/SimCExprParser");
const SimCGenericVisitor_1 = require("./visitors/ast/SimCGenericVisitor");
/**
 * Main parser class for SimC files
 */
class Parser {
    /**
     * Create a new Parser instance
     * @param optimizerOptions Options for the condition optimizer
     */
    constructor(optimizerOptions = types_1.DEFAULT_OPTIMIZER_OPTIONS) {
        this.optimizer = new ConditionOptimizer_1.ConditionOptimizer(optimizerOptions);
    }
    /**
     * Parse a SimC string and return the AST
     *
     * @param input - The SimC code to parse
     * @returns The parsed AST node
     */
    parse(input) {
        // Set up the lexer and parser
        const charStream = antlr4ts_1.CharStreams.fromString(input.trim());
        const lexer = new SimCExprLexer_1.SimCExprLexer(charStream);
        const tokenStream = new antlr4ts_1.CommonTokenStream(lexer);
        const parser = new SimCExprParser_1.SimCExprParser(tokenStream);
        // Parse the input
        const parseTree = parser.parse();
        // Visit the parse tree to generate AST
        const visitor = new SimCGenericVisitor_1.SimCGenericVisitor();
        return visitor.visit(parseTree);
    }
    /**
     * Parse a SimC string and optimize the resulting AST
     *
     * @param input - The SimC code to parse
     * @returns The optimized AST node
     */
    parseAndOptimize(input) {
        const ast = this.parse(input);
        // Apply optimizations if this is an expression node
        if (ast.kind === "expression") {
            return this.optimizer.optimize(ast);
        }
        return ast;
    }
}
exports.Parser = Parser;
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