@lcap/nasl-parser/tests/unambiguous-grammar/enum.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 enumDef1 =`
enum ProductStatus {
    @(label = '上架')
    case Listing;

    @(label = '下架')
    case DeListing;
}
`

const enumDef2 = `
@(
label = "商品状态",
description = "表示商品状态的枚举",
)
enum ProductStatus {
    @(label = '上架')
    case Listing;

    @(label = '下架')
    case DeListing;
}`

const enumDef3 = `
enum COLOR {
    @(label="红")
    case 0;
    @(label="YELLOW")
    case 1;
    case 2;
}
`

const enumQRef =`
logic f() {
    let x : app::enums::ProductStatus = app::enums::ProductStatus::Listing;
    let y = app::enums::ProductStatus::DeListing;
}
`

const enumCustomNamespaceRef = `
namespace MyNamespace {
    enum ProductStatus {
        @(label = '上架')
        case Listing;

        @(label = '下架')
        case DeListing;
    }
}

logic f() {
    let x : MyNamespace::ProductStatus = MyNamespace::ProductStatus::Listing;
    let y = MyNamespace::ProductStatus::DeListing;
}`

const enumRef =`
namespace MyNamespace {
    enum ProductStatus {
        @(label = '上架')
        case Listing;

        @(label = '下架')
        case DeListing;
    }
}

using MyNamespace;

logic f() {
    let x : ProductStatus = ProductStatus::Listing;
    let y = ProductStatus::DeListing;
}
`

describe('Enum syntax...', () => {
    test('Enum type definition', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumDef1);
        expect(parser.results.length).toBe(1);
    });

    test('Enum type definition', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumDef2);
        expect(parser.results.length).toBe(1);
    });

    test('Enum type definition', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumDef3);
        expect(parser.results.length).toBe(1);
    });

    test('Enum constructor qualified reference', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumQRef);
        expect(parser.results.length).toBe(1);
    });

    test('Enum constructor custom namespace reference', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumCustomNamespaceRef);
        expect(parser.results.length).toBe(1);
    });

    test('Enum constructor (unqualified) reference', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(enumRef);
        expect(parser.results.length).toBe(1);
    });

});