vize_l1 0.454.0

L1 - the lossless Vue-template surface tree (codename Sinopia, Davinci P2-7)
Documentation 
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use crate::{
    SurfaceParseOptions,
    container::{Vue, vue::DescriptorOptions},
    css::StyleSyntax,
};
use cssparser::Token;
use vize_l0::{
    Allocator,
    config::{VueDialect, VueVersion},
};

fn options() -> DescriptorOptions {
    DescriptorOptions {
        version: VueVersion::V3,
        dialect: VueDialect::Vue,
        template: SurfaceParseOptions::default(),
    }
}

#[test]
fn empty_receipt_borrows_actual_colon_ident_and_class_boundary_in_whole_source() {
    let source = "<!-- 雪🌸 -->\r\n<style scoped>\r\n/* original */\r\n.雪:empty \t{ content:'雪'; }</style><template><p/></template>";
    let arena = Allocator::default();
    let descriptor = Vue.observe_descriptor(&arena, source, options());
    let syntax = StyleSyntax::observe(descriptor.admitted().unwrap().styles().next().unwrap());
    assert!(syntax.simple_class().is_err());
    assert!(syntax.simple_class_list().is_err());
    let receipt = syntax.empty_class().unwrap();
    let prelude = syntax.rule().unwrap().prelude();
    assert!(core::ptr::eq(receipt.syntax(), &syntax));
    assert!(core::ptr::eq(receipt.class_token(), &prelude[1]));
    let (colon, pseudo) = receipt.pseudo_tokens();
    assert!(core::ptr::eq(colon, &prelude[2]));
    assert!(core::ptr::eq(pseudo, &prelude[3]));
    assert!(matches!(colon.token(), Token::Colon));
    assert!(matches!(pseudo.token(), Token::Ident(value) if value.as_ref() == "empty"));
    assert_eq!(
        &source[receipt.insertion() as usize - "雪".len()..receipt.insertion() as usize],
        "雪"
    );
    assert_eq!(
        &source[receipt.pseudo_span().start as usize..receipt.pseudo_span().end as usize],
        ":empty"
    );
    assert!(core::ptr::eq(syntax.source().root_source(), source));
    assert_eq!(syntax.rule().unwrap().declarations()[0].name(), "content");
    let expected = vize_l0::Span::new(colon.span().start, pseudo.span().end);
    let moved = syntax;
    assert_eq!(moved.empty_class().unwrap().pseudo_span(), expected);
}

#[test]
fn unsupported_empty_spellings_keep_original_tokens_errors_and_complete_source() {
    for css in [
        ".a:hover{}",
        ".a:EMPTY{}",
        ".a::empty{}",
        ".a :empty{}",
        ".a: empty{}",
        ".a/**/:empty{}",
        ".a:/**/empty{}",
        ".a:empty/**/{}",
        ".a:empty:empty{}",
        ".a:empty,.b:empty{}",
        ".\\61:empty{}",
        ".a:em\\70 ty{}",
        ".a:empty(){}",
        ".a:empty{color:v-bind(color)}",
        ".a:empty{content:'v-bind(color)'}",
        ".a:empty{content:'v/**/-bind(color)'}",
        ".a:empty{color:red",
        ".a:empty{} .b{}",
    ] {
        let source = alloc::format!("<style scoped>{css}</style><template><p/></template>");
        let arena = Allocator::default();
        let descriptor = Vue.observe_descriptor(&arena, &source, options());
        let syntax = StyleSyntax::observe(descriptor.admitted().unwrap().styles().next().unwrap());
        assert!(syntax.empty_class().is_err(), "{css}");
        assert!(core::ptr::eq(
            syntax.source().root_source(),
            source.as_str()
        ));
        assert_eq!(syntax.source().source(), css);
        if let Some(issue) = syntax.issue() {
            assert_eq!(syntax.empty_class().unwrap_err(), issue);
            assert!(syntax.parser_error().is_some());
        } else {
            assert!(syntax.rule().is_some());
        }
    }
}