fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

use alloc::borrow::ToOwned;

use crate::query::{adj_ast, label_text};
use crate::syntax::builders::reserved_word::build_reserved_word_node;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let keyword_id = adj_ast(graph, n_id, None, &[])
        .first()
        .copied()
        .ok_or(SyntaxGraphError::UnexpectedAstShape)?;
    let value = label_text(graph, keyword_id)
        .ok_or(SyntaxGraphError::UnexpectedAstShape)?
        .to_owned();
    Ok(Some(build_reserved_word_node(args, n_id, value)))
}