rune 0.12.0

An embeddable dynamic programming language for Rust.
Documentation 
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use crate::ast::Span;
use crate::compile::{CompileError, CompileErrorKind, CompileResult, Item, ModMeta, Visibility};
use crate::query::Query;
use crate::{Context, SourceId};
use std::sync::Arc;

#[derive(Debug)]
pub(crate) struct WildcardImport {
    pub(crate) visibility: Visibility,
    pub(crate) from: Item,
    pub(crate) name: Item,
    pub(crate) source_id: SourceId,
    pub(crate) span: Span,
    pub(crate) module: Arc<ModMeta>,
    pub(crate) found: bool,
}

impl WildcardImport {
    pub(crate) fn process_global(
        &mut self,
        query: &mut Query,
        context: &Context,
    ) -> CompileResult<()> {
        if context.contains_prefix(&self.name) {
            for c in context.iter_components(&self.name) {
                let name = self.name.extended(c);

                query.insert_import(
                    self.source_id,
                    self.span,
                    &self.module,
                    self.visibility,
                    self.from.clone(),
                    name,
                    None,
                    true,
                )?;
            }

            self.found = true;
        }

        Ok(())
    }

    /// Process a local wildcard import.
    pub(crate) fn process_local(mut self, query: &mut Query) -> CompileResult<()> {
        if query.contains_prefix(&self.name) {
            let components = query
                .iter_components(&self.name)
                .map(|c| c.into_component())
                .collect::<Vec<_>>();

            for c in components {
                let name = self.name.extended(c);

                query.insert_import(
                    self.source_id,
                    self.span,
                    &self.module,
                    self.visibility,
                    self.from.clone(),
                    name,
                    None,
                    true,
                )?;
            }

            self.found = true;
        }

        if !self.found {
            return Err(CompileError::new(
                self.span,
                CompileErrorKind::MissingItem { item: self.name },
            ));
        }

        Ok(())
    }
}