use crate::parser::CssParser;
use crate::syntax::at_rule::parse_error::expected_any_scope_range;
use crate::syntax::block::parse_conditional_block;
use crate::syntax::selector::SelectorList;
use biome_css_syntax::CssSyntaxKind::*;
use biome_css_syntax::{CssSyntaxKind, T};
use biome_parser::parse_lists::ParseSeparatedList;
use biome_parser::parse_recovery::{ParseRecoveryTokenSet, RecoveryResult};
use biome_parser::parsed_syntax::ParsedSyntax::Present;
use biome_parser::prelude::ParsedSyntax::Absent;
use biome_parser::prelude::*;
#[inline]
pub(crate) fn is_at_scope_at_rule(p: &mut CssParser) -> bool {
p.at(T![scope])
}
#[inline]
pub(crate) fn parse_scope_at_rule(p: &mut CssParser) -> ParsedSyntax {
if !is_at_scope_at_rule(p) {
return Absent;
}
let m = p.start();
p.bump(T![scope]);
parse_any_scope_range(p).ok();
parse_conditional_block(p);
Present(m.complete(p, CSS_SCOPE_AT_RULE))
}
const SCOPE_RANGE_RECOVERY_SET: TokenSet<CssSyntaxKind> = token_set![T!['{']];
#[inline]
pub(crate) fn parse_any_scope_range(p: &mut CssParser) -> ParsedSyntax {
if is_at_scope_range_start_or_interval(p) {
parse_scope_range_start_or_interval(p)
} else if is_at_scope_range_end(p) {
parse_scope_range_end(p)
} else {
Absent
}
}
#[inline]
pub(crate) fn is_at_scope_range_start_or_interval(p: &mut CssParser) -> bool {
is_at_scope_edge(p)
}
#[inline]
pub(crate) fn parse_scope_range_start_or_interval(p: &mut CssParser) -> ParsedSyntax {
if !is_at_scope_range_start_or_interval(p) {
return Absent;
}
let m = p.start();
if parse_or_recover_scope_edge(p).is_err() {
return Present(m.complete(p, CSS_BOGUS_SCOPE_RANGE));
}
let kind = if p.eat(T![to]) {
if parse_or_recover_scope_edge(p).is_err() {
return Present(m.complete(p, CSS_BOGUS_SCOPE_RANGE));
}
CSS_SCOPE_RANGE_INTERVAL
} else {
CSS_SCOPE_RANGE_START
};
Present(m.complete(p, kind))
}
#[inline]
pub(crate) fn is_at_scope_range_end(p: &mut CssParser) -> bool {
p.at(T![to])
}
#[inline]
pub(crate) fn parse_scope_range_end(p: &mut CssParser) -> ParsedSyntax {
if !is_at_scope_range_end(p) {
return Absent;
}
let m = p.start();
p.bump(T![to]);
if parse_or_recover_scope_edge(p).is_err() {
return Present(m.complete(p, CSS_BOGUS_SCOPE_RANGE));
}
Present(m.complete(p, CSS_SCOPE_RANGE_END))
}
const SCOPE_EDGE_RECOVERY_SET: TokenSet<CssSyntaxKind> =
SCOPE_RANGE_RECOVERY_SET.union(token_set![T!['{']]);
#[inline]
pub(crate) fn parse_or_recover_scope_edge(p: &mut CssParser) -> RecoveryResult {
parse_scope_edge(p).or_recover_with_token_set(
p,
&ParseRecoveryTokenSet::new(CSS_BOGUS, SCOPE_EDGE_RECOVERY_SET)
.enable_recovery_on_line_break(),
expected_any_scope_range,
)
}
#[inline]
pub(crate) fn is_at_scope_edge(p: &mut CssParser) -> bool {
p.at(T!['('])
}
#[inline]
pub(crate) fn parse_scope_edge(p: &mut CssParser) -> ParsedSyntax {
if !is_at_scope_edge(p) {
return Absent;
}
let m = p.start();
p.bump(T!['(']);
SelectorList::default()
.with_end_kind_ts(SCOPE_EDGE_SELECTOR_LIST_END_SET)
.parse_list(p);
p.expect(T![')']);
Present(m.complete(p, CSS_SCOPE_EDGE))
}
const SCOPE_EDGE_SELECTOR_LIST_END_SET: TokenSet<CssSyntaxKind> = token_set![T![')'], T!['{']];