@solvprotocol/upgrade-safe-transpiler/dist/transformations/compare.js

Solidity preprocessor used to generate OpenZeppelin Contracts Upgrade Safe.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.compareContainment = exports.compareTransformations = void 0;
function compareTransformations(a, b) {
    const c = compareContainment(a, b);
    if (c === 'partial overlap') {
        throw new Error(`Transformations ${a.kind} and ${b.kind} overlap`);
    }
    else if (c === 'disjoint') {
        // sort by midpoint
        return a.start + a.length / 2 - (b.start + b.length / 2);
    }
    else {
        return c;
    }
}
exports.compareTransformations = compareTransformations;
function compareContainment(a, b) {
    const a_end = a.start + a.length;
    const b_end = b.start + b.length;
    const x = (a.start - b.start) * (a_end - b_end);
    if (x > 0 || (x === 0 && a.length * b.length === 0)) {
        if (a.start === b.start && a.length === b.length) {
            return 0;
        }
        else if (a.start + a.length <= b.start || b.start + b.length <= a.start) {
            return 'disjoint';
        }
        else {
            return 'partial overlap';
        }
    }
    else {
        return a.length - b.length;
    }
}
exports.compareContainment = compareContainment;
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