yggdrasil-shared 0.2.5

Yggdrasil Compiler core shared components
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use yggdrasil_error::Validation;
use super::*;

pub struct EmitFunction {
    functions: IndexMap<String, FunctionRule>,
    errors: Vec<YggdrasilError>,
}

impl Default for EmitFunction {
    fn default() -> Self {
        Self { functions: Default::default(), errors: vec![] }
    }
}

impl CodeOptimizer for EmitFunction {
    fn optimize(&mut self, info: &GrammarInfo) -> Validation<GrammarInfo> {
        let mut rules = info.rules.clone();
        self.functions = info.functions.clone();
        match self.emit(&mut rules) {
            Ok(_) => {}
            Err(e) => return Validation::Failure { fatal: e, diagnostics: vec![] },
        }
        // Reset Progress
        let grammar = GrammarInfo { rules: take(&mut rules), functions: Default::default(), ..info.clone() };
        let errors = take(&mut self.errors);
        Validation::Success { value: grammar, diagnostics: errors }
    }
}

impl EmitFunction {
    fn emit(&mut self, rules: &mut IndexMap<String, GrammarRule>) -> Result<(), YggdrasilError> {
        for (_, rule) in rules.iter_mut() {
            // self.emit_expression(&mut rule.body)?;
        }
        Ok(())
    }
}