protospec-build 0.3.0

One binary format language to rule them all, One binary format language to find them, One binary format language to bring them all and in the darkness bind them.
Documentation 
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use super::*;

impl Program {
    pub(super) fn from_ast_imports<T: ImportResolver + 'static>(
        ast: &ast::Program,
        resolver: &T,
        cache: &mut IndexMap<String, Program>,
    ) -> AsgResult<()> {
        for declaration in ast.declarations.iter() {
            match declaration {
                ast::Declaration::Import(import) => {
                    let content = String::from_utf8_lossy(&import.from.content[..]).into_owned();
                    let normalized = resolver.normalize_import(&content[..])?;
                    if let Some(_cached) = cache.get(&normalized) {
                    } else {
                        let loaded = resolver.resolve_import(&normalized)?;
                        if let Some(loaded) = loaded {
                            let parsed = match crate::parse(&loaded) {
                                Ok(x) => x,
                                Err(e) => {
                                    return Err(AsgError::ImportParse(content, import.from.span, e))
                                }
                            };
                            Program::from_ast_imports(&parsed, resolver, cache)?;
                            let asg = Program::from_ast_imported(&parsed, resolver, cache)?;
                            cache.insert(normalized, asg);
                        } else {
                            return Err(AsgError::ImportMissing(content, import.from.span));
                        }
                    }
                }
                _ => (),
            }
        }
        Ok(())
    }
}