@akala/core/dist/esm/parser/expressions/visitors/expression-updater.js

import { ExpressionVisitor } from "./expression-visitor.js";
/**
 * Replaces occurrences of a specific expression with another during traversal.
 * This visitor updates an expression tree by substituting the original expression with the new one.
 */
export class ExpressionUpdater extends ExpressionVisitor {
    original;
    newExp;
    /**
     * Creates an instance of ExpressionUpdater.
     * @param original - The expression to be replaced in the tree.
     * @param newExp - The new expression that replaces the original.
     */
    constructor(original, newExp) {
        super();
        this.original = original;
        this.newExp = newExp;
    }
    rootCall = true;
    visit(expression) {
        if (this.rootCall) {
            const originalAccept = this.original.accept;
            this.original.accept = () => {
                return this.newExp;
            };
            try {
                this.rootCall = false;
                return super.visit(expression);
            }
            finally {
                this.original.accept = originalAccept;
            }
        }
        return super.visit(expression);
    }
}
//# sourceMappingURL=expression-updater.js.map