bluejay_parser/ast/definition/
arguments_definition.rs1use crate::ast::definition::{Context, InputValueDefinition};
2use crate::ast::{FromTokens, IsMatch, ParseError, Tokens};
3use crate::lexical_token::PunctuatorType;
4use crate::Span;
5use bluejay_core::definition::ArgumentsDefinition as CoreArgumentsDefinition;
6use bluejay_core::AsIter;
7
8#[derive(Debug)]
9pub struct ArgumentsDefinition<'a, C: Context> {
10 argument_definitions: Vec<InputValueDefinition<'a, C>>,
11 _span: Span,
12}
13
14impl<'a, C: Context> AsIter for ArgumentsDefinition<'a, C> {
15 type Item = InputValueDefinition<'a, C>;
16 type Iterator<'b> = std::slice::Iter<'b, Self::Item> where 'a: 'b;
17
18 fn iter(&self) -> Self::Iterator<'_> {
19 self.argument_definitions.iter()
20 }
21}
22
23impl<'a, C: Context> CoreArgumentsDefinition for ArgumentsDefinition<'a, C> {
24 type ArgumentDefinition = InputValueDefinition<'a, C>;
25}
26
27impl<'a, C: Context> FromTokens<'a> for ArgumentsDefinition<'a, C> {
28 fn from_tokens(tokens: &mut impl Tokens<'a>) -> Result<Self, ParseError> {
29 let open_span = tokens.expect_punctuator(PunctuatorType::OpenRoundBracket)?;
30 let mut argument_definitions: Vec<InputValueDefinition<C>> = Vec::new();
31 let close_span = loop {
32 argument_definitions.push(InputValueDefinition::from_tokens(tokens)?);
33 if let Some(close_span) = tokens.next_if_punctuator(PunctuatorType::CloseRoundBracket) {
34 break close_span;
35 }
36 };
37 let span = open_span.merge(&close_span);
38 Ok(Self {
39 argument_definitions,
40 _span: span,
41 })
42 }
43}
44
45impl<'a, C: Context> IsMatch<'a> for ArgumentsDefinition<'a, C> {
46 fn is_match(tokens: &mut impl Tokens<'a>) -> bool {
47 tokens.peek_punctuator_matches(0, PunctuatorType::OpenRoundBracket)
48 }
49}