bluejay_parser/ast/
parse.rs1use crate::ast::{depth_limiter::DEFAULT_MAX_DEPTH, DepthLimiter, FromTokens, LexerTokens, Tokens};
2use crate::lexer::LogosLexer;
3use crate::Error;
4
5pub struct ParseOptions {
6 pub graphql_ruby_compatibility: bool,
7 pub max_depth: usize,
8}
9
10impl Default for ParseOptions {
11 fn default() -> Self {
12 Self {
13 graphql_ruby_compatibility: false,
14 max_depth: DEFAULT_MAX_DEPTH,
15 }
16 }
17}
18
19pub trait Parse<'a>: Sized {
20 #[inline]
21 fn parse(s: &'a str) -> Result<Self, Vec<Error>> {
22 Self::parse_with_options(s, Default::default())
23 }
24
25 #[inline]
26 fn parse_with_options(s: &'a str, options: ParseOptions) -> Result<Self, Vec<Error>> {
27 let lexer =
28 LogosLexer::new(s).with_graphql_ruby_compatibility(options.graphql_ruby_compatibility);
29 let tokens = LexerTokens::new(lexer);
30
31 Self::parse_from_tokens(tokens, options.max_depth)
32 }
33
34 fn parse_from_tokens(tokens: impl Tokens<'a>, max_depth: usize) -> Result<Self, Vec<Error>>;
35}
36
37impl<'a, T: FromTokens<'a>> Parse<'a> for T {
38 #[inline]
39 fn parse_from_tokens(
40 mut tokens: impl Tokens<'a>,
41 max_depth: usize,
42 ) -> Result<Self, Vec<Error>> {
43 let result = T::from_tokens(&mut tokens, DepthLimiter::new(max_depth));
44
45 let errors = tokens.into_errors();
46
47 if errors.is_empty() {
48 result.map_err(|err| vec![err.into()])
49 } else {
50 Err(errors.into_iter().map(Into::into).collect())
51 }
52 }
53}