@lcap/nasl-parser/tests/unambiguous-grammar/lambda.spec.ts

Take Nasl text to Nasl AST with the help of generalized parsing.

import { Parser, Grammar } from "nearley";
import grammar from "../../ts/nasl";


const call1 = `
declare logic logic3() => Integer;

logic trailingSubLogic() {
    let x = logic3() { e3 => 1 + 2 }
}
`

const call2 = `
declare logic logic1(x: Integer);
declare logic logic2();
declare logic logic4();

logic lambdaInTrailingSubLogic () {
    let x = logic1(100) { e1 => 1 };
    let y = logic2() { e2 => { e2 => 1 + 2 } };
    let z = logic4() { e3 => { e2 => { e1 => true && false } } };
}
`

describe('Test Lambda and Call Suffix Syntax', () => {
    test('Trailing SubLogic', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));

        parser.feed(call1);
        expect(parser.results.length).toBe(1);
    });

    test('Lambda in trailing SubLogic', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));

        parser.feed(call2);
        expect(parser.results.length).toBe(1);
    });
});