propositional/lib/syntax/generate.js

Propositional logic symbolic computation library

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TRUE = exports.FALSE = exports.variable = exports.or = exports.and = exports.not = void 0;
const AST = __importStar(require("./ast"));
const token_1 = require("./token");
// Utility functions/constants to more concisely express new AST nodes
const not = (right) => new AST.UnaryExpression(new token_1.Token(token_1.TokenType.NOT, '!'), right);
exports.not = not;
const and = (left, right) => new AST.BinaryExpression(left, new token_1.Token(token_1.TokenType.AND, '&'), right);
exports.and = and;
const or = (left, right) => new AST.BinaryExpression(left, new token_1.Token(token_1.TokenType.OR, '|'), right);
exports.or = or;
const variable = (lexeme) => new AST.Literal(new token_1.Token(token_1.TokenType.VARIABLE, lexeme));
exports.variable = variable;
exports.FALSE = new AST.Literal(new token_1.Token(token_1.TokenType.CONSTANT, '0'));
exports.TRUE = new AST.Literal(new token_1.Token(token_1.TokenType.CONSTANT, '1'));