tvix/eval/src/eval.rs


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use std::path::PathBuf;

use rnix::{self, types::TypedNode};

use crate::{
    errors::{Error, EvalResult},
    value::Value,
};

pub fn interpret(code: &str, location: Option<PathBuf>) -> EvalResult<Value> {
    let ast = rnix::parse(code);

    let errors = ast.errors();
    if !errors.is_empty() {
        for err in &errors {
            eprintln!("parse error: {}", err);
            return Err(Error::ParseErrors(errors));
        }
    }

    if std::env::var("TVIX_DISPLAY_AST").is_ok() {
        println!("{}", ast.root().dump());
    }

    let result = crate::compiler::compile(ast, location)?;

    #[cfg(feature = "disassembler")]
    crate::disassembler::disassemble_chunk(&result.chunk);

    for warning in result.warnings {
        eprintln!(
            "warning: {:?} at {:?}",
            warning.kind,
            warning.node.text_range().start()
        )
    }

    crate::vm::run_chunk(result.chunk)
}