Method addLeafExpression

src/core/kernel.js:356–359

(name, definition)

    }

    addLeafExpression(name, definition) {
        this.#leafExpressions.push(name);
        this.addGrammarElement(name, definition);
    }

    addIndirectExpression(name, definition) {
        this.#indirectExpressions.push(name);