clean up

.lazy.lua

@@ -16,9 +16,6 @@ vim.lsp.config("rust_analyzer", {
   settings = {
     ["rust-analyzer"] = {
       cargo = {
-        features = {
-          "inspector"
-        }
       }
     }
   }

Cargo.toml

@@ -1,8 +1,7 @@
 [workspace]
 resolver = "3"
 members = [
-    "nix-js",
-    "nix-js-macros"
+    "fix"
 ]
 
 [profile.profiling]

fix/Cargo.toml

@@ -1,8 +1,7 @@
 [package]
-name = "nix-js"
+name = "fix"
 version = "0.1.0"
 edition = "2024"
-build = "build.rs"
 
 [dependencies]
 mimalloc = "0.1"
@@ -35,9 +34,6 @@ itertools = "0.14"
 
 regex = "1.11"
 
-deno_core = "0.385"
-deno_error = "0.7"
-
 nix-nar = "0.3"
 sha2 = "0.10"
 sha1 = "0.10"
@@ -54,7 +50,7 @@ bzip2 = "0.6"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 # spec 1.0.0
-toml = "0.9.9"
+toml = "=0.9.9"
 dirs = "6.0"
 tempfile = "3.24"
 rusqlite = { version = "0.38", features = ["bundled"] }
@@ -62,24 +58,15 @@ rusqlite = { version = "0.38", features = ["bundled"] }
 rnix = "0.14"
 rowan = "0.16"
 
-nix-js-macros = { path = "../nix-js-macros" }
 ere = "0.2.4"
 num_enum = "0.7.5"
 tap = "1.0.1"
 
-# Inspector (optional)
-fastwebsockets = { version = "0.10", features = ["upgrade"], optional = true }
-hyper = { version = "1", features = ["http1", "server"], optional = true }
-hyper-util = { version = "0.1", features = ["tokio"], optional = true }
-http-body-util = { version = "0.1", optional = true }
-http = { version = "1", optional = true }
-uuid = { version = "1", features = ["v4"], optional = true }
-ghost-cell = "0.2.6"
-colored = "3.1.1"
-
-[features]
-inspector = ["dep:fastwebsockets", "dep:hyper", "dep:hyper-util", "dep:http-body-util", "dep:http", "dep:uuid"]
-prof = []
+ghost-cell = "0.2"
+colored = "3.1"
+boxing = "0.1"
+gc-arena = { version = "0.5.3", features = ["allocator-api2"] }
+allocator-api2 = "0.4.0"
 
 [dev-dependencies]
 criterion = { version = "0.8", features = ["html_reports"] }
@@ -96,7 +83,3 @@ harness = false
 [[bench]]
 name = "thunk_scope"
 harness = false
-
-[[bench]]
-name = "compile_time"
-harness = false

fix/benches/utils.rs

@@ -1,8 +1,8 @@
 #![allow(dead_code)]
 
-use nix_js::context::Context;
-use nix_js::error::{Result, Source};
-use nix_js::value::Value;
+use fix::context::Context;
+use fix::error::{Result, Source};
+use fix::value::Value;
 
 pub fn eval(expr: &str) -> Value {
     Context::new()
@@ -16,10 +16,3 @@ pub fn eval_result(expr: &str) -> Result<Value> {
         .unwrap()
         .eval(Source::new_eval(expr.into()).unwrap())
 }
-
-pub fn compile(expr: &str) -> String {
-    Context::new()
-        .unwrap()
-        .compile(Source::new_eval(expr.into()).unwrap())
-        .unwrap()
-}

fix/src/bytecode.rs

@@ -30,72 +30,72 @@ pub(crate) trait BytecodeContext {
 #[derive(Clone, Copy, TryFromPrimitive)]
 #[allow(clippy::enum_variant_names)]
 pub enum Op {
-    PushConst = 0x01,
-    PushString = 0x02,
-    PushNull = 0x03,
-    PushTrue = 0x04,
-    PushFalse = 0x05,
+    PushConst,
+    PushString,
+    PushNull,
+    PushTrue,
+    PushFalse,
 
-    LoadLocal = 0x06,
-    LoadOuter = 0x07,
-    StoreLocal = 0x08,
-    AllocLocals = 0x09,
+    LoadLocal,
+    LoadOuter,
+    StoreLocal,
+    AllocLocals,
 
-    MakeThunk = 0x0A,
-    MakeClosure = 0x0B,
-    MakePatternClosure = 0x0C,
+    MakeThunk,
+    MakeClosure,
+    MakePatternClosure,
 
-    Call = 0x0D,
-    CallNoSpan = 0x0E,
+    Call,
+    CallNoSpan,
 
-    MakeAttrs = 0x0F,
-    MakeAttrsDyn = 0x10,
-    MakeEmptyAttrs = 0x11,
-    Select = 0x12,
-    SelectDefault = 0x13,
-    HasAttr = 0x14,
+    MakeAttrs,
+    MakeAttrsDyn,
+    MakeEmptyAttrs,
+    Select,
+    SelectDefault,
+    HasAttr,
 
-    MakeList = 0x15,
+    MakeList,
 
-    OpAdd = 0x16,
-    OpSub = 0x17,
-    OpMul = 0x18,
-    OpDiv = 0x19,
-    OpEq = 0x20,
-    OpNeq = 0x21,
-    OpLt = 0x22,
-    OpGt = 0x23,
-    OpLeq = 0x24,
-    OpGeq = 0x25,
-    OpConcat = 0x26,
-    OpUpdate = 0x27,
+    OpAdd,
+    OpSub,
+    OpMul,
+    OpDiv,
+    OpEq,
+    OpNeq,
+    OpLt,
+    OpGt,
+    OpLeq,
+    OpGeq,
+    OpConcat,
+    OpUpdate,
 
-    OpNeg = 0x28,
-    OpNot = 0x29,
+    OpNeg,
+    OpNot,
 
-    ForceBool = 0x30,
-    JumpIfFalse = 0x31,
-    JumpIfTrue = 0x32,
-    Jump = 0x33,
+    ForceBool,
+    JumpIfFalse,
+    JumpIfTrue,
+    Jump,
 
-    ConcatStrings = 0x34,
-    ResolvePath = 0x35,
+    ConcatStrings,
+    ResolvePath,
 
-    Assert = 0x36,
+    Assert,
 
-    PushWith = 0x37,
-    PopWith = 0x38,
-    WithLookup = 0x39,
+    PushWith,
+    PopWith,
+    WithLookup,
 
-    LoadBuiltins = 0x40,
-    LoadBuiltin = 0x41,
+    LoadBuiltins,
+    LoadBuiltin,
 
-    MkPos = 0x43,
+    MkPos,
 
-    LoadReplBinding = 0x44,
-    LoadScopedBinding = 0x45,
+    LoadReplBinding,
+    LoadScopedBinding,
 
-    Return = 0x46,
+    Return,
 }
 
 struct ScopeInfo {
@@ -120,19 +120,6 @@ pub(crate) fn compile_bytecode(ir: RawIrRef<'_>, ctx: &mut impl BytecodeContext)
     }
 }
 
-pub(crate) fn compile_bytecode_scoped(
-    ir: RawIrRef<'_>,
-    ctx: &mut impl BytecodeContext,
-) -> Bytecode {
-    let current_dir = ctx.get_current_dir().to_string_lossy().to_string();
-    let mut emitter = BytecodeEmitter::new(ctx);
-    emitter.emit_toplevel_scoped(ir);
-    Bytecode {
-        code: emitter.code.into_boxed_slice(),
-        current_dir,
-    }
-}
-
 impl<'a, Ctx: BytecodeContext> BytecodeEmitter<'a, Ctx> {
     fn new(ctx: &'a mut Ctx) -> Self {
         Self {
@@ -397,37 +384,6 @@ impl<'a, Ctx: BytecodeContext> BytecodeEmitter<'a, Ctx> {
         }
     }
 
-    fn emit_toplevel_scoped(&mut self, ir: RawIrRef<'_>) {
-        match ir.deref() {
-            Ir::TopLevel { body, thunks } => {
-                let with_thunk_count = self.count_with_thunks(*body);
-                let total_slots = thunks.len() + with_thunk_count;
-
-                let all_thunks = self.collect_all_thunks(thunks, *body);
-                let thunk_ids: Vec<ThunkId> = all_thunks.iter().map(|&(id, _)| id).collect();
-
-                self.push_scope(false, None, &thunk_ids);
-
-                if total_slots > 0 {
-                    self.emit_op(Op::AllocLocals);
-                    self.emit_u32(total_slots as u32);
-                }
-
-                self.emit_scope_thunks(thunks);
-                self.emit_expr(*body);
-                self.emit_op(Op::Return);
-
-                self.pop_scope();
-            }
-            _ => {
-                self.push_scope(false, None, &[]);
-                self.emit_expr(ir);
-                self.emit_op(Op::Return);
-                self.pop_scope();
-            }
-        }
-    }
-
     fn emit_scope_thunks(&mut self, thunks: &[(ThunkId, RawIrRef<'_>)]) {
         for &(id, inner) in thunks {
             let label = format!("e{}", id.0);

fix/src/context.rs

@@ -9,14 +9,10 @@ use rnix::TextRange;
 use string_interner::DefaultStringInterner;
 
 use crate::bytecode::{self, Bytecode, BytecodeContext, Constant};
-use crate::codegen::{CodegenContext, compile};
 use crate::disassembler::{Disassembler, DisassemblerContext};
 use crate::downgrade::*;
 use crate::error::{Error, Result, Source};
 use crate::ir::{ArgId, Ir, IrKey, IrRef, RawIrRef, SymId, ThunkId, ir_content_eq};
-#[cfg(feature = "inspector")]
-use crate::runtime::inspector::InspectorServer;
-use crate::runtime::{ForceMode, Runtime, RuntimeContext};
 use crate::store::{DaemonStore, Store, StoreConfig};
 use crate::value::{Symbol, Value};
 
@@ -48,129 +44,27 @@ fn handle_parse_error<'a>(
     None
 }
 
-pub struct Context {
-    ctx: Ctx,
-    runtime: Runtime<Ctx>,
-    #[cfg(feature = "inspector")]
-    _inspector_server: Option<InspectorServer>,
-}
-
-macro_rules! eval_bc {
-    ($name:ident, $mode:expr) => {
-        pub fn $name(&mut self, source: Source) -> Result<Value> {
-            tracing::info!("Starting evaluation");
-
-            tracing::debug!("Compiling bytecode");
-            let bytecode = self.ctx.compile_bytecode(source)?;
-
-            tracing::debug!("Executing bytecode");
-            self.runtime.eval_bytecode(bytecode, &mut self.ctx, $mode)
-        }
-    };
-}
-
 impl Context {
-    pub fn new() -> Result<Self> {
-        let ctx = Ctx::new()?;
-        #[cfg(feature = "inspector")]
-        let runtime = Runtime::new(Default::default())?;
-        #[cfg(not(feature = "inspector"))]
-        let runtime = Runtime::new()?;
-
-        let mut context = Self {
-            ctx,
-            runtime,
-            #[cfg(feature = "inspector")]
-            _inspector_server: None,
-        };
-        context.init()?;
-
-        Ok(context)
+    pub fn eval(&mut self, _source: Source) -> Result<Value> {
+        todo!()
+    }
+    pub fn eval_shallow(&mut self, _source: Source) -> Result<Value> {
+        todo!()
+    }
+    pub fn eval_deep(&mut self, _source: Source) -> Result<Value> {
+        todo!()
     }
 
-    #[cfg(feature = "inspector")]
-    pub fn new_with_inspector(addr: std::net::SocketAddr, wait_for_session: bool) -> Result<Self> {
-        use crate::runtime::InspectorOptions;
-
-        let ctx = Ctx::new()?;
-        let runtime = Runtime::new(InspectorOptions {
-            enable: true,
-            wait: wait_for_session,
-        })?;
-
-        let server = crate::runtime::inspector::InspectorServer::new(addr, "nix-js")
-            .map_err(|e| Error::internal(e.to_string()))?;
-        server.register_inspector("nix-js".to_string(), runtime.inspector(), wait_for_session);
-
-        let mut context = Self {
-            ctx,
-            runtime,
-            _inspector_server: Some(server),
-        };
-        context.init()?;
-        Ok(context)
-    }
-
-    #[cfg(feature = "inspector")]
-    pub fn wait_for_inspector_disconnect(&mut self) {
-        self.runtime.wait_for_inspector_disconnect();
-    }
-
-    fn init(&mut self) -> Result<()> {
-        const DERIVATION_NIX: &str = include_str!("runtime/corepkgs/derivation.nix");
-        let source = Source::new_virtual(
-            "<nix/derivation-internal.nix>".into(),
-            DERIVATION_NIX.to_string(),
-        );
-        let code = self.ctx.compile(source, None)?;
-        self.runtime.eval(
-            format!(
-                "Nix.builtins.set('derivation',({}));Nix.builtins.set('storeDir','{}');{}0n",
-                code,
-                self.get_store_dir(),
-                if std::env::var("NIX_JS_DEBUG_THUNKS").is_ok() {
-                    "Nix.DEBUG_THUNKS.enabled=true;"
-                } else {
-                    ""
-                }
-            ),
-            &mut self.ctx,
-        )?;
-        Ok(())
-    }
-
-    eval_bc!(eval, ForceMode::Force);
-    eval_bc!(eval_shallow, ForceMode::ForceShallow);
-    eval_bc!(eval_deep, ForceMode::ForceDeep);
-    pub fn eval_repl<'a>(&'a mut self, source: Source, scope: &'a HashSet<SymId>) -> Result<Value> {
-        tracing::info!("Starting evaluation");
-
-        tracing::debug!("Compiling code");
-        let code = self.ctx.compile(source, Some(Scope::Repl(scope)))?;
-
-        tracing::debug!("Executing JavaScript");
-        self.runtime
-            .eval(format!("Nix.forceShallow({})", code), &mut self.ctx)
-    }
-
-    pub fn compile(&mut self, source: Source) -> Result<String> {
-        self.ctx.compile(source, None)
-    }
-
-    pub fn compile_bytecode(&mut self, source: Source) -> Result<Bytecode> {
-        self.ctx.compile_bytecode(source)
+    pub fn eval_repl<'a>(&'a mut self, _source: Source, _scope: &'a HashSet<SymId>) -> Result<Value> {
+        todo!()
     }
 
     pub fn disassemble(&self, bytecode: &Bytecode) -> String {
-        Disassembler::new(bytecode, &self.ctx).disassemble()
+        Disassembler::new(bytecode, self).disassemble()
     }
 
     pub fn disassemble_colored(&self, bytecode: &Bytecode) -> String {
-        Disassembler::new(bytecode, &self.ctx).disassemble_colored()
-    }
-
-    pub fn get_store_dir(&self) -> &str {
-        self.ctx.get_store_dir()
+        Disassembler::new(bytecode, self).disassemble_colored()
     }
 
     pub fn add_binding<'a>(
@@ -179,22 +73,11 @@ impl Context {
         expr: &str,
         scope: &'a mut HashSet<SymId>,
     ) -> Result<Value> {
-        let source = Source::new_repl(expr.to_string())?;
-        let code = self.ctx.compile(source, Some(Scope::Repl(scope)))?;
-
-        let sym = self.ctx.symbols.get_or_intern(name);
-
-        let eval_and_store = format!(
-            "(()=>{{const __v=Nix.forceShallow({});Nix.setReplBinding(\"{}\",__v);return __v}})()",
-            code, name
-        );
-
-        scope.insert(sym);
-        self.runtime.eval(eval_and_store, &mut self.ctx)
+        todo!()
     }
 }
 
-struct Ctx {
+pub struct Context {
     symbols: DefaultStringInterner,
     global: HashMap<SymId, Ir<'static, RawIrRef<'static>>>,
     sources: Vec<Source>,
@@ -226,8 +109,8 @@ impl OwnedIr {
     }
 }
 
-impl Ctx {
-    fn new() -> Result<Self> {
+impl Context {
+    pub fn new() -> Result<Self> {
         let mut symbols = DefaultStringInterner::new();
         let mut global = HashMap::new();
         let builtins_sym = symbols.get_or_intern("builtins");
@@ -349,33 +232,7 @@ impl Ctx {
         })
     }
 
-    fn compile<'ctx>(
-        &'ctx mut self,
-        source: Source,
-        extra_scope: Option<Scope<'ctx>>,
-    ) -> Result<String> {
-        let root = self.downgrade(source, extra_scope)?;
-        tracing::debug!("Generating JavaScript code");
-        let code = compile::<false>(root.as_ref(), self);
-        tracing::debug!("Generated code: {}", &code);
-        Ok(code)
-    }
-
-    fn compile_scoped(&mut self, source: Source, scope: Vec<String>) -> Result<String> {
-        let scope = Scope::ScopedImport(
-            scope
-                .into_iter()
-                .map(|k| self.symbols.get_or_intern(k))
-                .collect(),
-        );
-        let root = self.downgrade(source, Some(scope))?;
-        tracing::debug!("Generating JavaScript code for scoped import");
-        let code = compile::<true>(root.as_ref(), self);
-        tracing::debug!("Generated scoped code: {}", &code);
-        Ok(code)
-    }
-
-    fn compile_bytecode(&mut self, source: Source) -> Result<Bytecode> {
+    pub fn compile_bytecode(&mut self, source: Source) -> Result<Bytecode> {
         let root = self.downgrade(source, None)?;
         tracing::debug!("Generating bytecode");
         let bytecode = bytecode::compile_bytecode(root.as_ref(), self);
@@ -383,47 +240,12 @@ impl Ctx {
         Ok(bytecode)
     }
 
-    fn compile_bytecode_scoped(&mut self, source: Source, scope: Vec<String>) -> Result<Bytecode> {
-        let scope = Scope::ScopedImport(
-            scope
-                .into_iter()
-                .map(|k| self.symbols.get_or_intern(k))
-                .collect(),
-        );
-        let root = self.downgrade(source, Some(scope))?;
-        tracing::debug!("Generating bytecode for scoped import");
-        Ok(bytecode::compile_bytecode_scoped(root.as_ref(), self))
-    }
-}
-
-impl CodegenContext for Ctx {
-    fn get_sym(&self, id: SymId) -> Symbol<'_> {
-        self.symbols
-            .resolve(id)
-            .expect("SymId out of bounds")
-            .into()
-    }
-    fn get_current_dir(&self) -> &std::path::Path {
-        self.get_current_dir()
-    }
-    fn get_current_source_id(&self) -> usize {
-        self.sources
-            .len()
-            .checked_sub(1)
-            .expect("current_source not set")
-    }
-    fn get_store_dir(&self) -> &str {
+    pub fn get_store_dir(&self) -> &str {
         self.store.get_store_dir()
     }
-    fn register_span(&self, range: rnix::TextRange) -> usize {
-        let spans = unsafe { &mut *self.spans.get() };
-        let id = spans.len();
-        spans.push((self.get_current_source_id(), range));
-        id
-    }
 }
 
-impl BytecodeContext for Ctx {
+impl BytecodeContext for Context {
     fn intern_string(&mut self, s: &str) -> u32 {
         if let Some(&idx) = self.global_string_map.get(s) {
             return idx;
@@ -445,7 +267,16 @@ impl BytecodeContext for Ctx {
     }
 
     fn register_span(&self, range: TextRange) -> u32 {
-        CodegenContext::register_span(self, range) as u32
+        // FIXME: SAFETY
+        let spans = unsafe { &mut *self.spans.get() };
+        let id = spans.len();
+        let source_id = self
+            .sources
+            .len()
+            .checked_sub(1)
+            .expect("current_source not set");
+        spans.push((source_id, range));
+        id as u32
     }
 
     fn get_sym(&self, id: SymId) -> &str {
@@ -453,51 +284,11 @@ impl BytecodeContext for Ctx {
     }
 
     fn get_current_dir(&self) -> &Path {
-        Ctx::get_current_dir(self)
+        Context::get_current_dir(self)
     }
 }
 
-impl RuntimeContext for Ctx {
-    fn get_current_dir(&self) -> &Path {
-        self.get_current_dir()
-    }
-    fn add_source(&mut self, source: Source) {
-        self.sources.push(source);
-    }
-    fn compile(&mut self, source: Source) -> Result<String> {
-        self.compile(source, None)
-    }
-    fn compile_scoped(&mut self, source: Source, scope: Vec<String>) -> Result<String> {
-        self.compile_scoped(source, scope)
-    }
-    fn compile_bytecode(&mut self, source: Source) -> Result<Bytecode> {
-        self.compile_bytecode(source)
-    }
-    fn compile_bytecode_scoped(&mut self, source: Source, scope: Vec<String>) -> Result<Bytecode> {
-        self.compile_bytecode_scoped(source, scope)
-    }
-    fn get_source(&self, id: usize) -> Source {
-        self.sources.get(id).expect("source not found").clone()
-    }
-    fn get_store(&self) -> &DaemonStore {
-        &self.store
-    }
-    fn get_span(&self, id: usize) -> (usize, TextRange) {
-        let spans = unsafe { &*self.spans.get() };
-        spans[id]
-    }
-    fn get_unsynced(&mut self) -> (&[String], &[Constant], usize, usize) {
-        let strings_base = self.synced_strings;
-        let constants_base = self.synced_constants;
-        let new_strings = &self.global_strings[strings_base..];
-        let new_constants = &self.global_constants[constants_base..];
-        self.synced_strings = self.global_strings.len();
-        self.synced_constants = self.global_constants.len();
-        (new_strings, new_constants, strings_base, constants_base)
-    }
-}
-
-impl DisassemblerContext for Ctx {
+impl DisassemblerContext for Context {
     fn lookup_string(&self, id: u32) -> &str {
         self.global_strings
             .get(id as usize)

fix/src/error.rs

@@ -1,14 +1,9 @@
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
-use deno_core::error::JsError;
-use deno_error::JsErrorClass as _;
-use itertools::Itertools as _;
 use miette::{Diagnostic, NamedSource, SourceSpan};
 use thiserror::Error;
 
-use crate::runtime::RuntimeContext;
-
 pub type Result<T> = core::result::Result<T, Box<Error>>;
 
 #[derive(Clone, Debug)]
@@ -229,127 +224,3 @@ pub struct StackFrame {
     #[source_code]
     pub src: NamedSource<Arc<str>>,
 }
-
-const MAX_STACK_FRAMES: usize = 20;
-const FRAMES_AT_START: usize = 15;
-const FRAMES_AT_END: usize = 5;
-
-pub(crate) fn parse_js_error(error: Box<JsError>, ctx: &impl RuntimeContext) -> Error {
-    let (span, src, frames) = if let Some(stack) = &error.stack {
-        let mut frames = parse_frames(stack, ctx);
-
-        if let Some(last_frame) = frames.pop() {
-            (
-                Some(text_range_to_source_span(last_frame.span)),
-                Some(last_frame.src.into()),
-                frames,
-            )
-        } else {
-            (None, None, frames)
-        }
-    } else {
-        (None, None, Vec::new())
-    };
-    let stack_trace = if std::env::var("NIX_JS_STACK_TRACE").is_ok() {
-        truncate_stack_trace(frames)
-    } else {
-        Vec::new()
-    };
-    let message = error.get_message().to_string();
-    let js_backtrace = error.stack.map(|stack| {
-        stack
-            .lines()
-            .filter(|line| !line.starts_with("NIX_STACK_FRAME:"))
-            .join("\n")
-    });
-
-    Error::EvalError {
-        src,
-        span,
-        message,
-        js_backtrace,
-        stack_trace,
-    }
-}
-
-struct NixStackFrame {
-    span: rnix::TextRange,
-    message: String,
-    src: Source,
-}
-
-impl From<NixStackFrame> for StackFrame {
-    fn from(NixStackFrame { span, message, src }: NixStackFrame) -> Self {
-        StackFrame {
-            span: text_range_to_source_span(span),
-            message,
-            src: src.into(),
-        }
-    }
-}
-
-fn parse_frames(stack: &str, ctx: &impl RuntimeContext) -> Vec<NixStackFrame> {
-    let mut frames = Vec::new();
-
-    for line in stack.lines() {
-        // Format: NIX_STACK_FRAME:span_id:message
-        let Some(rest) = line.strip_prefix("NIX_STACK_FRAME:") else {
-            continue;
-        };
-        let parts: Vec<&str> = rest.splitn(2, ':').collect();
-
-        if parts.is_empty() {
-            continue;
-        }
-
-        let span_id: usize = match parts[0].parse() {
-            Ok(id) => id,
-            Err(_) => continue,
-        };
-        let (source_id, span) = ctx.get_span(span_id);
-        let src = ctx.get_source(source_id);
-
-        let message = if parts.len() == 2 {
-            parts[1].to_string()
-        } else {
-            String::new()
-        };
-
-        frames.push(NixStackFrame { span, message, src });
-    }
-
-    frames.dedup_by(|a, b| a.span == b.span && a.message == b.message);
-
-    frames
-}
-
-fn truncate_stack_trace(frames: Vec<NixStackFrame>) -> Vec<StackFrame> {
-    let reversed: Vec<_> = frames.into_iter().rev().collect();
-    let total = reversed.len();
-
-    if total <= MAX_STACK_FRAMES {
-        return reversed.into_iter().map(Into::into).collect();
-    }
-
-    let omitted_count = total - FRAMES_AT_START - FRAMES_AT_END;
-
-    reversed
-        .into_iter()
-        .enumerate()
-        .filter_map(|(i, frame)| {
-            if i < FRAMES_AT_START {
-                Some(frame.into())
-            } else if i == FRAMES_AT_START {
-                Some(StackFrame {
-                    span: text_range_to_source_span(frame.span),
-                    message: format!("... ({} more frames omitted)", omitted_count),
-                    src: frame.src.into(),
-                })
-            } else if i >= total - FRAMES_AT_END {
-                Some(frame.into())
-            } else {
-                None
-            }
-        })
-        .collect()
-}

fix/src/fetcher.rs

@@ -5,8 +5,6 @@ use nix_compat::nixhash::HashAlgo;
 use nix_compat::nixhash::NixHash;
 use tracing::{debug, info, warn};
 
-use crate::runtime::OpStateExt;
-use crate::runtime::RuntimeContext;
 use crate::store::Store as _;
 
 mod archive;
@@ -20,7 +18,6 @@ pub use download::Downloader;
 pub use metadata_cache::MetadataCache;
 
 use crate::nar;
-use crate::runtime::NixRuntimeError;
 
 #[derive(ToV8)]
 pub struct FetchUrlResult {
@@ -306,11 +303,3 @@ fn normalize_hash(hash: &str) -> String {
     }
     hash.to_string()
 }
-
-pub fn register_ops<Ctx: RuntimeContext>() -> Vec<deno_core::OpDecl> {
-    vec![
-        op_fetch_url::<Ctx>(),
-        op_fetch_tarball::<Ctx>(),
-        op_fetch_git::<Ctx>(),
-    ]
-}

fix/src/fetcher/cache.rs

@@ -10,7 +10,7 @@ impl FetcherCache {
     pub fn new() -> Result<Self, std::io::Error> {
         let base_dir = dirs::cache_dir()
             .unwrap_or_else(|| PathBuf::from("/tmp"))
-            .join("nix-js")
+            .join("fix")
             .join("fetchers");
 
         fs::create_dir_all(&base_dir)?;

fix/src/lib.rs

@@ -6,11 +6,10 @@ pub mod logging;
 pub mod value;
 
 mod bytecode;
-mod codegen;
 mod derivation;
 mod disassembler;
 mod downgrade;
-mod fetcher;
+// mod fetcher;
 mod ir;
 mod nar;
 mod nix_utils;

fix/src/main.rs

@@ -4,22 +4,14 @@ use std::process::exit;
 use anyhow::Result;
 use clap::{Args, Parser, Subcommand};
 use hashbrown::HashSet;
-use nix_js::context::Context;
-use nix_js::error::Source;
+use fix::context::Context;
+use fix::error::Source;
 use rustyline::DefaultEditor;
 use rustyline::error::ReadlineError;
 
 #[derive(Parser)]
 #[command(name = "nix-js", about = "Nix expression evaluator")]
 struct Cli {
-    #[cfg(feature = "inspector")]
-    #[arg(long, value_name = "HOST:PORT", num_args = 0..=1, default_missing_value = "127.0.0.1:9229")]
-    inspect: Option<String>,
-
-    #[cfg(feature = "inspector")]
-    #[arg(long, value_name = "HOST:PORT", num_args = 0..=1, default_missing_value = "127.0.0.1:9229")]
-    inspect_brk: Option<String>,
-
     #[command(subcommand)]
     command: Command,
 }
@@ -48,27 +40,6 @@ struct ExprSource {
     file: Option<PathBuf>,
 }
 
-fn create_context(#[cfg(feature = "inspector")] cli: &Cli) -> Result<Context> {
-    #[cfg(feature = "inspector")]
-    {
-        let (addr_str, wait) = if let Some(ref addr) = cli.inspect_brk {
-            (Some(addr.as_str()), true)
-        } else if let Some(ref addr) = cli.inspect {
-            (Some(addr.as_str()), false)
-        } else {
-            (None, false)
-        };
-
-        if let Some(addr_str) = addr_str {
-            let addr: std::net::SocketAddr = addr_str
-                .parse()
-                .map_err(|e| anyhow::anyhow!("invalid inspector address '{}': {}", addr_str, e))?;
-            return Ok(Context::new_with_inspector(addr, wait)?);
-        }
-    }
-    Ok(Context::new()?)
-}
-
 fn run_compile(context: &mut Context, src: ExprSource, silent: bool) -> Result<()> {
     let src = if let Some(expr) = src.expr {
         Source::new_eval(expr)?
@@ -88,8 +59,6 @@ fn run_compile(context: &mut Context, src: ExprSource, silent: bool) -> Result<(
             exit(1);
         }
     };
-    #[cfg(feature = "inspector")]
-    context.wait_for_inspector_disconnect();
     Ok(())
 }
 
@@ -110,8 +79,6 @@ fn run_eval(context: &mut Context, src: ExprSource) -> Result<()> {
             exit(1);
         }
     };
-    #[cfg(feature = "inspector")]
-    context.wait_for_inspector_disconnect();
     Ok(())
 }
 
@@ -170,14 +137,11 @@ fn run_repl(context: &mut Context) -> Result<()> {
 }
 
 fn main() -> Result<()> {
-    nix_js::logging::init_logging();
+    fix::logging::init_logging();
 
     let cli = Cli::parse();
 
-    let mut context = create_context(
-        #[cfg(feature = "inspector")]
-        &cli,
-    )?;
+    let mut context = Context::new()?;
 
     match cli.command {
         Command::Compile { source, silent } => run_compile(&mut context, source, silent),

fix/tests/tests/basic_eval.rs

@@ -1,4 +1,4 @@
-use nix_js::value::Value;
+use fix::value::Value;
 
 use crate::utils::{eval, eval_result};
 

fix/tests/tests/builtins.rs

@@ -1,6 +1,6 @@
 use std::collections::BTreeMap;
 
-use nix_js::value::{AttrSet, List, Value};
+use fix::value::{AttrSet, List, Value};
 
 use crate::utils::eval;
 

fix/tests/tests/builtins_store.rs

@@ -1,4 +1,4 @@
-use nix_js::value::Value;
+use fix::value::Value;
 
 use crate::utils::eval_result;
 

fix/tests/tests/derivation.rs

@@ -1,4 +1,4 @@
-use nix_js::value::Value;
+use fix::value::Value;
 
 use crate::utils::{eval_deep, eval_deep_result};
 

fix/tests/tests/free_globals.rs

@@ -1,4 +1,4 @@
-use nix_js::value::{List, Value};
+use fix::value::{List, Value};
 
 use crate::utils::{eval, eval_result};
 

fix/tests/tests/functions.rs

@@ -1,4 +1,4 @@
-use nix_js::value::Value;
+use fix::value::Value;
 
 use crate::utils::{eval, eval_result};
 

fix/tests/tests/io_operations.rs

@@ -1,6 +1,6 @@
-use nix_js::context::Context;
-use nix_js::error::Source;
-use nix_js::value::Value;
+use fix::context::Context;
+use fix::error::Source;
+use fix::value::Value;
 
 use crate::utils::{eval, eval_result};
 

fix/tests/tests/lang.rs

@@ -2,9 +2,9 @@
 
 use std::path::PathBuf;
 
-use nix_js::context::Context;
-use nix_js::error::Source;
-use nix_js::value::Value;
+use fix::context::Context;
+use fix::error::Source;
+use fix::value::Value;
 
 fn get_lang_dir() -> PathBuf {
     PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/tests/lang")
@@ -18,7 +18,7 @@ fn eval_file(name: &str) -> Result<(Value, Source), String> {
 
     let mut ctx = Context::new().map_err(|e| e.to_string())?;
     let source = Source {
-        ty: nix_js::error::SourceType::File(nix_path.into()),
+        ty: fix::error::SourceType::File(nix_path.into()),
         src: expr.into(),
     };
     ctx.eval_deep(source.clone())