bluejay_parser/ast/definition/
interface_implementations.rs

1use crate::ast::definition::{Context, InterfaceImplementation};
2use crate::ast::{DepthLimiter, FromTokens, IsMatch, ParseError, Tokens};
3use crate::lexical_token::PunctuatorType;
4use bluejay_core::definition::InterfaceImplementations as CoreInterfaceImplementations;
5use bluejay_core::AsIter;
6
7#[derive(Debug)]
8pub struct InterfaceImplementations<'a, C: Context + 'a> {
9    interface_implementations: Vec<InterfaceImplementation<'a, C>>,
10}
11
12impl<'a, C: Context + 'a> AsIter for InterfaceImplementations<'a, C> {
13    type Item = InterfaceImplementation<'a, C>;
14    type Iterator<'b>
15        = std::slice::Iter<'b, Self::Item>
16    where
17        'a: 'b;
18
19    fn iter(&self) -> Self::Iterator<'_> {
20        self.interface_implementations.iter()
21    }
22}
23
24impl<'a, C: Context + 'a> CoreInterfaceImplementations for InterfaceImplementations<'a, C> {
25    type InterfaceImplementation = InterfaceImplementation<'a, C>;
26}
27
28impl<'a, C: Context + 'a> InterfaceImplementations<'a, C> {
29    const IMPLEMENTS_IDENTIFIER: &'static str = "implements";
30}
31
32impl<'a, C: Context + 'a> FromTokens<'a> for InterfaceImplementations<'a, C> {
33    fn from_tokens(
34        tokens: &mut impl Tokens<'a>,
35        depth_limiter: DepthLimiter,
36    ) -> Result<Self, ParseError> {
37        tokens.expect_name_value(Self::IMPLEMENTS_IDENTIFIER)?;
38        tokens.next_if_punctuator(PunctuatorType::Ampersand);
39        let mut interface_implementations = vec![InterfaceImplementation::from_tokens(
40            tokens,
41            depth_limiter.bump()?,
42        )?];
43        while tokens
44            .next_if_punctuator(PunctuatorType::Ampersand)
45            .is_some()
46        {
47            interface_implementations.push(InterfaceImplementation::from_tokens(
48                tokens,
49                depth_limiter.bump()?,
50            )?);
51        }
52        Ok(Self {
53            interface_implementations,
54        })
55    }
56}
57
58impl<'a, C: Context + 'a> IsMatch<'a> for InterfaceImplementations<'a, C> {
59    fn is_match(tokens: &mut impl Tokens<'a>) -> bool {
60        tokens.peek_name_matches(0, Self::IMPLEMENTS_IDENTIFIER)
61    }
62}
bluejay_parser/ast/definition/interface_implementations.rs

bluejay_parser/ast/definition/
interface_implementations.rs
