chore(tvix/eval): wire things up for development flow
This creates a REPL which outputs compiled bytecode, constants, and VM results for code snippets. Change-Id: If63f79a961456afd6a4cdf59b994107ff7ab8b47 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6072 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi> Autosubmit: tazjin <tazjin@tvl.su>
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2 changed files with 22 additions and 3 deletions
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@ -1,5 +1,24 @@
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use rnix::{self, types::TypedNode};
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use std::fmt::Write;
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use crate::errors::{Error, EvalResult};
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pub fn interpret(code: String) -> EvalResult<()> {
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Ok(())
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pub fn interpret(code: String) -> EvalResult<String> {
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let ast = rnix::parse(&code);
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let errors = ast.errors();
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if !errors.is_empty() {
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todo!()
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}
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let mut out = String::new();
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writeln!(out, "{}", ast.root().dump()).ok();
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let code = crate::compiler::compile(ast)?;
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writeln!(out, "code: {:?}", code).ok();
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let value = crate::vm::run_chunk(code)?;
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writeln!(out, "value: {:?}", value).ok();
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Ok(out)
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}
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@ -48,7 +48,7 @@ fn run_prompt() {
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fn run(code: String) {
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match eval::interpret(code) {
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Ok(result) => println!("=> {:?}", result),
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Ok(result) => println!("=> {}", result),
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Err(err) => eprintln!("{}", err),
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}
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}
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