bluejay_parser/ast/definition/
enum_value_definition.rs

1use crate::ast::DepthLimiter;
2use crate::lexical_token::{Name, StringValue};
3use crate::{
4    ast::{
5        definition::{Context, Directives},
6        ConstDirectives, FromTokens, ParseError, Tokens, TryFromTokens,
7    },
8    HasSpan,
9};
10use bluejay_core::definition::{EnumValueDefinition as CoreEnumValueDefinition, HasDirectives};
11
12#[derive(Debug)]
13pub struct EnumValueDefinition<'a, C: Context> {
14    description: Option<StringValue<'a>>,
15    name: Name<'a>,
16    directives: Option<Directives<'a, C>>,
17}
18
19impl<'a, C: Context> EnumValueDefinition<'a, C> {
20    pub fn name_token(&self) -> &Name<'a> {
21        &self.name
22    }
23}
24
25impl<C: Context> CoreEnumValueDefinition for EnumValueDefinition<'_, C> {
26    fn description(&self) -> Option<&str> {
27        self.description.as_ref().map(AsRef::as_ref)
28    }
29
30    fn name(&self) -> &str {
31        self.name.as_ref()
32    }
33}
34
35impl<'a, C: Context> FromTokens<'a> for EnumValueDefinition<'a, C> {
36    fn from_tokens(
37        tokens: &mut impl Tokens<'a>,
38        depth_limiter: DepthLimiter,
39    ) -> Result<Self, ParseError> {
40        let description = tokens.next_if_string_value();
41        let name = tokens.expect_name()?;
42        if matches!(name.as_str(), "null" | "true" | "false") {
43            return Err(ParseError::InvalidEnumValue {
44                span: name.span().clone(),
45                value: name.as_str().to_string(),
46            });
47        }
48
49        let directives =
50            ConstDirectives::try_from_tokens(tokens, depth_limiter.bump()?).transpose()?;
51        Ok(Self {
52            description,
53            name,
54            directives: directives.map(Directives::from),
55        })
56    }
57}
58
59impl<'a, C: Context> HasDirectives for EnumValueDefinition<'a, C> {
60    type Directives = Directives<'a, C>;
61
62    fn directives(&self) -> Option<&Self::Directives> {
63        self.directives.as_ref()
64    }
65}
bluejay_parser/ast/definition/enum_value_definition.rs

bluejay_parser/ast/definition/
enum_value_definition.rs
