fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::fields::php::binary_expression;
use crate::{
    query::{adj_ast, label_text},
    syntax::{
        builders::binary_operation::build_binary_operation_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    CodeGraph, NodeId,
};
use alloc::borrow::ToOwned;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;

    let operator_id = args.required_field_alt(n_id, binary_expression::OPERATOR)?;
    let operator = label_text(graph, operator_id).ok_or(SyntaxGraphError::UnexpectedAstShape)?;

    let mut left_id = args.required_field_alt(n_id, binary_expression::LEFT)?;
    let mut right_id = args.required_field_alt(n_id, binary_expression::RIGHT)?;

    if graph.label_type(left_id) == Some("parenthesized_expression") {
        left_id = adj_ast(graph, left_id, Some(1), &[])
            .get(1)
            .copied()
            .unwrap_or(left_id);
    }

    if graph.label_type(right_id) == Some("parenthesized_expression") {
        right_id = adj_ast(graph, right_id, Some(1), &[])
            .get(1)
            .copied()
            .unwrap_or(right_id);
    }

    build_binary_operation_node(
        args,
        n_id,
        operator.to_owned(),
        Some(left_id),
        Some(right_id),
    )
    .map(Some)
}