Method new

core/src/compiler/mod.rs:229–244

Creates a new compiler instance. `global_defs` provides pre-defined global variables visible to the compiled program. `upcalls` contains the metadata of all built-in callables that the compiled code can use.

(
        upcalls: &HashMap<SymbolKey, Rc<dyn Callable>>,
        global_defs: &[GlobalDef],
    )

    ///
    /// `upcalls` contains the metadata of all built-in callables that the compiled code can use.
    pub fn new(
        upcalls: &HashMap<SymbolKey, Rc<dyn Callable>>,
        global_defs: &[GlobalDef],
    ) -> Result<Self> {
        let mut upcalls_metadata = HashMap::with_capacity(upcalls.len());
        for (k, v) in upcalls.iter() {
            upcalls_metadata.insert(k.clone(), v.metadata());
        }

        let mut context = Context::default();

        let mut symtable = GlobalSymtable::new(upcalls_metadata);
        prepare_globals(&mut context, &mut symtable, global_defs)?;

        Ok(Self { context, symtable, program_scope: LocalSymtableSnapshot::default() })
    }

    /// Compiles a chunk of code.
    pub fn compile(mut self, input: &mut dyn io::Read) -> Result<Image> {