hacky shit

Signed-off-by: Jess Frazelle <github@jessfraz.com>

rust/Cargo.lock

@@ -1907,6 +1907,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "tabled",
+ "tempdir",
  "thiserror 2.0.12",
  "tokio",
  "tokio-tungstenite",
@@ -3084,6 +3085,15 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "reqwest"
 version = "0.12.15"
@@ -3779,6 +3789,16 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
 
+[[package]]
+name = "tempdir"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
+dependencies = [
+ "rand 0.4.6",
+ "remove_dir_all",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.19.0"

rust/Cargo.toml

@@ -22,7 +22,6 @@ debug = 0
 
 [profile.dev.package]
 insta = { opt-level = 3 }
-similar = { opt-level = 3 }
 
 [profile.test]
 debug = "line-tables-only"

rust/kcl-lib/Cargo.toml

@@ -69,6 +69,7 @@ serde = { workspace = true }
 serde_json = { workspace = true }
 sha2 = "0.10.8"
 tabled = { version = "0.18.0", optional = true }
+tempdir = "0.3.7"
 thiserror = "2.0.0"
 toml = "0.8.19"
 ts-rs = { version = "10.1.0", features = [

rust/kcl-lib/src/engine/conn.rs

@@ -18,7 +18,7 @@ use tokio::sync::{mpsc, oneshot, RwLock};
 use tokio_tungstenite::tungstenite::Message as WsMsg;
 use uuid::Uuid;
 
-use super::{EngineStats, ExecutionKind};
+use super::EngineStats;
 use crate::{
     engine::EngineManager,
     errors::{KclError, KclErrorDetails},
@@ -51,7 +51,6 @@ pub struct EngineConnection {
     /// If the server sends session data, it'll be copied to here.
     session_data: Arc<RwLock<Option<ModelingSessionData>>>,
 
-    execution_kind: Arc<RwLock<ExecutionKind>>,
     stats: EngineStats,
 }
 
@@ -344,7 +343,6 @@ impl EngineConnection {
             artifact_commands: Arc::new(RwLock::new(Vec::new())),
             default_planes: Default::default(),
             session_data,
-            execution_kind: Default::default(),
             stats: Default::default(),
         })
     }
@@ -368,18 +366,6 @@ impl EngineManager for EngineConnection {
         self.artifact_commands.clone()
     }
 
-    async fn execution_kind(&self) -> ExecutionKind {
-        let guard = self.execution_kind.read().await;
-        *guard
-    }
-
-    async fn replace_execution_kind(&self, execution_kind: ExecutionKind) -> ExecutionKind {
-        let mut guard = self.execution_kind.write().await;
-        let original = *guard;
-        *guard = execution_kind;
-        original
-    }
-
     fn stats(&self) -> &EngineStats {
         &self.stats
     }

rust/kcl-lib/src/engine/conn_mock.rs

@@ -16,7 +16,7 @@ use kittycad_modeling_cmds::{self as kcmc};
 use tokio::sync::RwLock;
 use uuid::Uuid;
 
-use super::{EngineStats, ExecutionKind};
+use super::EngineStats;
 use crate::{
     errors::KclError,
     exec::DefaultPlanes,
@@ -29,7 +29,6 @@ pub struct EngineConnection {
     batch: Arc<RwLock<Vec<(WebSocketRequest, SourceRange)>>>,
     batch_end: Arc<RwLock<IndexMap<uuid::Uuid, (WebSocketRequest, SourceRange)>>>,
     artifact_commands: Arc<RwLock<Vec<ArtifactCommand>>>,
-    execution_kind: Arc<RwLock<ExecutionKind>>,
     /// The default planes for the scene.
     default_planes: Arc<RwLock<Option<DefaultPlanes>>>,
     stats: EngineStats,
@@ -41,7 +40,6 @@ impl EngineConnection {
             batch: Arc::new(RwLock::new(Vec::new())),
             batch_end: Arc::new(RwLock::new(IndexMap::new())),
             artifact_commands: Arc::new(RwLock::new(Vec::new())),
-            execution_kind: Default::default(),
             default_planes: Default::default(),
             stats: Default::default(),
         })
@@ -70,18 +68,6 @@ impl crate::engine::EngineManager for EngineConnection {
         self.artifact_commands.clone()
     }
 
-    async fn execution_kind(&self) -> ExecutionKind {
-        let guard = self.execution_kind.read().await;
-        *guard
-    }
-
-    async fn replace_execution_kind(&self, execution_kind: ExecutionKind) -> ExecutionKind {
-        let mut guard = self.execution_kind.write().await;
-        let original = *guard;
-        *guard = execution_kind;
-        original
-    }
-
     fn get_default_planes(&self) -> Arc<RwLock<Option<DefaultPlanes>>> {
         self.default_planes.clone()
     }

rust/kcl-lib/src/engine/conn_wasm.rs

@@ -11,7 +11,7 @@ use uuid::Uuid;
 use wasm_bindgen::prelude::*;
 
 use crate::{
-    engine::{EngineStats, ExecutionKind},
+    engine::EngineStats,
     errors::{KclError, KclErrorDetails},
     execution::{ArtifactCommand, DefaultPlanes, IdGenerator},
     SourceRange,
@@ -42,7 +42,6 @@ pub struct EngineConnection {
     batch_end: Arc<RwLock<IndexMap<uuid::Uuid, (WebSocketRequest, SourceRange)>>>,
     responses: Arc<RwLock<IndexMap<Uuid, WebSocketResponse>>>,
     artifact_commands: Arc<RwLock<Vec<ArtifactCommand>>>,
-    execution_kind: Arc<RwLock<ExecutionKind>>,
     /// The default planes for the scene.
     default_planes: Arc<RwLock<Option<DefaultPlanes>>>,
     stats: EngineStats,
@@ -61,7 +60,6 @@ impl EngineConnection {
             batch_end: Arc::new(RwLock::new(IndexMap::new())),
             responses: Arc::new(RwLock::new(IndexMap::new())),
             artifact_commands: Arc::new(RwLock::new(Vec::new())),
-            execution_kind: Default::default(),
             default_planes: Default::default(),
             stats: Default::default(),
         })
@@ -164,18 +162,6 @@ impl crate::engine::EngineManager for EngineConnection {
         self.artifact_commands.clone()
     }
 
-    async fn execution_kind(&self) -> ExecutionKind {
-        let guard = self.execution_kind.read().await;
-        *guard
-    }
-
-    async fn replace_execution_kind(&self, execution_kind: ExecutionKind) -> ExecutionKind {
-        let mut guard = self.execution_kind.write().await;
-        let original = *guard;
-        *guard = execution_kind;
-        original
-    }
-
     fn get_default_planes(&self) -> Arc<RwLock<Option<DefaultPlanes>>> {
         self.default_planes.clone()
     }
@@ -218,11 +204,6 @@ impl crate::engine::EngineManager for EngineConnection {
             .do_send_modeling_cmd(id, source_range, cmd, id_to_source_range)
             .await?;
 
-        // In isolated mode, we don't save the response.
-        if self.execution_kind().await.is_isolated() {
-            return Ok(ws_result);
-        }
-
         let mut responses = self.responses.write().await;
         responses.insert(id, ws_result.clone());
         drop(responses);

rust/kcl-lib/src/engine/mod.rs

@@ -47,23 +47,6 @@ lazy_static::lazy_static! {
     pub static ref GRID_SCALE_TEXT_OBJECT_ID: uuid::Uuid = uuid::Uuid::parse_str("10782f33-f588-4668-8bcd-040502d26590").unwrap();
 }
 
-/// The mode of execution.  When isolated, like during an import, attempting to
-/// send a command results in an error.
-#[derive(Debug, Default, Clone, Copy, Deserialize, Serialize, PartialEq, Eq, ts_rs::TS, JsonSchema)]
-#[ts(export)]
-#[serde(rename_all = "camelCase")]
-pub enum ExecutionKind {
-    #[default]
-    Normal,
-    Isolated,
-}
-
-impl ExecutionKind {
-    pub fn is_isolated(&self) -> bool {
-        matches!(self, ExecutionKind::Isolated)
-    }
-}
-
 #[derive(Default, Debug)]
 pub struct EngineStats {
     pub commands_batched: AtomicUsize,
@@ -108,13 +91,6 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         std::mem::take(&mut *self.responses().write().await)
     }
 
-    /// Get the current execution kind.
-    async fn execution_kind(&self) -> ExecutionKind;
-
-    /// Replace the current execution kind with a new value and return the
-    /// existing value.
-    async fn replace_execution_kind(&self, execution_kind: ExecutionKind) -> ExecutionKind;
-
     /// Get the default planes.
     fn get_default_planes(&self) -> Arc<RwLock<Option<DefaultPlanes>>>;
 
@@ -279,11 +255,6 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         source_range: SourceRange,
         cmd: &ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
-        // In isolated mode, we don't send the command to the engine.
-        if self.execution_kind().await.is_isolated() {
-            return Ok(());
-        }
-
         let req = WebSocketRequest::ModelingCmdReq(ModelingCmdReq {
             cmd: cmd.clone(),
             cmd_id: id.into(),
@@ -305,11 +276,6 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         source_range: SourceRange,
         cmds: &[ModelingCmdReq],
     ) -> Result<(), crate::errors::KclError> {
-        // In isolated mode, we don't send the command to the engine.
-        if self.execution_kind().await.is_isolated() {
-            return Ok(());
-        }
-
         // Add cmds to the batch.
         let mut extended_cmds = Vec::with_capacity(cmds.len());
         for cmd in cmds {
@@ -332,11 +298,6 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         source_range: SourceRange,
         cmd: &ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
-        // In isolated mode, we don't send the command to the engine.
-        if self.execution_kind().await.is_isolated() {
-            return Ok(());
-        }
-
         let req = WebSocketRequest::ModelingCmdReq(ModelingCmdReq {
             cmd: cmd.clone(),
             cmd_id: id.into(),

rust/kcl-lib/src/execution/exec_ast.rs

@@ -5,7 +5,6 @@ use indexmap::IndexMap;
 
 use super::{cad_op::Group, kcl_value::TypeDef, types::PrimitiveType};
 use crate::{
-    engine::ExecutionKind,
     errors::{KclError, KclErrorDetails},
     execution::{
         annotations,
@@ -62,7 +61,6 @@ impl ExecutorContext {
                         exec_state.mod_local.explicit_length_units = true;
                     }
                     let new_units = exec_state.length_unit();
-                    if !self.engine.execution_kind().await.is_isolated() {
                     self.engine
                         .set_units(
                             new_units.into(),
@@ -70,7 +68,6 @@ impl ExecutorContext {
                             exec_state.id_generator(),
                         )
                         .await?;
-                    }
                 } else {
                     exec_state.err(CompilationError::err(
                         annotation.as_source_range(),
@@ -100,15 +97,13 @@ impl ExecutorContext {
         &self,
         program: &Node<Program>,
         exec_state: &mut ExecState,
-        exec_kind: ExecutionKind,
         preserve_mem: bool,
         module_id: ModuleId,
         path: &ModulePath,
     ) -> Result<(Option<KclValue>, EnvironmentRef, Vec<String>), KclError> {
-        crate::log::log(format!("enter module {path} {} {exec_kind:?}", exec_state.stack()));
+        crate::log::log(format!("enter module {path} {}", exec_state.stack()));
 
         let old_units = exec_state.length_unit();
-        let original_execution = self.engine.replace_execution_kind(exec_kind).await;
 
         let mut local_state = ModuleState::new(path.std_path(), exec_state.stack().memory.clone(), Some(module_id));
         if !preserve_mem {
@@ -141,23 +136,71 @@ impl ExecutorContext {
         // If we reset at the end of the main path, then we just add on an extra
         // command and we'd need to flush the batch again.
         // This avoids that.
-        if !exec_kind.is_isolated() && new_units != old_units && *path != ModulePath::Main {
+        if new_units != old_units && *path != ModulePath::Main {
             self.engine
                 .set_units(old_units.into(), Default::default(), exec_state.id_generator())
                 .await?;
         }
-        self.engine.replace_execution_kind(original_execution).await;
 
         crate::log::log(format!("leave {path}"));
 
         result.map(|result| (result, env_ref, local_state.module_exports))
     }
 
+    /// Execute an AST's program.
+    #[async_recursion]
+    pub(super) async fn preload_all_modules<'a>(
+        &'a self,
+        modules: &mut HashMap<String, Program>,
+        program: NodeRef<'a, Program>,
+        exec_state: &mut ExecState,
+    ) -> Result<(), KclError> {
+        for statement in &program.body {
+            if let BodyItem::ImportStatement(import_stmt) = statement {
+                let path_str = import_stmt.path.to_string();
+
+                if modules.contains_key(&path_str) {
+                    // don't waste our time if we've already loaded the
+                    // module.
+                    continue;
+                }
+
+                let source_range = SourceRange::from(import_stmt);
+                let attrs = &import_stmt.outer_attrs;
+                let module_id = self
+                    .open_module(&import_stmt.path, attrs, exec_state, source_range)
+                    .await?;
+
+                let Some(module) = exec_state.get_module(module_id) else {
+                    crate::log::log("we got back a module id that doesn't exist");
+                    unreachable!();
+                };
+
+                let progn = {
+                    // this dance is to avoid taking out a mut borrow
+                    // below on exec_state after borrowing here. As a
+                    // result, we need to clone (ugh) the program for
+                    // now.
+                    let ModuleRepr::Kcl(ref progn, _) = module.repr else {
+                        // not a kcl file, we can skip this
+                        continue;
+                    };
+                    progn.clone()
+                };
+
+                modules.insert(path_str, progn.clone().inner);
+
+                self.preload_all_modules(modules, &progn, exec_state).await?;
+            };
+        }
+        Ok(())
+    }
+
     /// Execute an AST's program.
     #[async_recursion]
     pub(super) async fn exec_block<'a>(
         &'a self,
-        program: NodeRef<'a, crate::parsing::ast::types::Program>,
+        program: NodeRef<'a, Program>,
         exec_state: &mut ExecState,
         body_type: BodyType,
     ) -> Result<Option<KclValue>, KclError> {
@@ -181,9 +224,9 @@ impl ExecutorContext {
 
                     match &import_stmt.selector {
                         ImportSelector::List { items } => {
-                            let (env_ref, module_exports) = self
-                                .exec_module_for_items(module_id, exec_state, ExecutionKind::Isolated, source_range)
-                                .await?;
+                            println!("Importing items from module {}", import_stmt.path,);
+                            let (env_ref, module_exports) =
+                                self.exec_module_for_items(module_id, exec_state, source_range).await?;
                             for import_item in items {
                                 // Extract the item from the module.
                                 let item = exec_state
@@ -224,9 +267,9 @@ impl ExecutorContext {
                             }
                         }
                         ImportSelector::Glob(_) => {
-                            let (env_ref, module_exports) = self
-                                .exec_module_for_items(module_id, exec_state, ExecutionKind::Isolated, source_range)
-                                .await?;
+                            println!("Importing all items from module {}", import_stmt.path);
+                            let (env_ref, module_exports) =
+                                self.exec_module_for_items(module_id, exec_state, source_range).await?;
                             for name in module_exports.iter() {
                                 let item = exec_state
                                     .stack()
@@ -417,7 +460,7 @@ impl ExecutorContext {
         Ok(last_expr)
     }
 
-    pub(super) async fn open_module(
+    pub async fn open_module(
         &self,
         path: &ImportPath,
         attrs: &[Node<Annotation>],
@@ -425,6 +468,7 @@ impl ExecutorContext {
         source_range: SourceRange,
     ) -> Result<ModuleId, KclError> {
         let resolved_path = ModulePath::from_import_path(path, &self.settings.project_directory);
+
         match path {
             ImportPath::Kcl { .. } => {
                 exec_state.global.mod_loader.cycle_check(&resolved_path, source_range)?;
@@ -481,7 +525,6 @@ impl ExecutorContext {
         &self,
         module_id: ModuleId,
         exec_state: &mut ExecState,
-        exec_kind: ExecutionKind,
         source_range: SourceRange,
     ) -> Result<(EnvironmentRef, Vec<String>), KclError> {
         let path = exec_state.global.module_infos[&module_id].path.clone();
@@ -492,7 +535,7 @@ impl ExecutorContext {
             ModuleRepr::Root => Err(exec_state.circular_import_error(&path, source_range)),
             ModuleRepr::Kcl(_, Some((env_ref, items))) => Ok((*env_ref, items.clone())),
             ModuleRepr::Kcl(program, cache) => self
-                .exec_module_from_ast(program, module_id, &path, exec_state, exec_kind, source_range)
+                .exec_module_from_ast(program, module_id, &path, exec_state, source_range)
                 .await
                 .map(|(_, er, items)| {
                     *cache = Some((er, items.clone()));
@@ -514,7 +557,6 @@ impl ExecutorContext {
         module_id: ModuleId,
         module_name: &BoxNode<Name>,
         exec_state: &mut ExecState,
-        exec_kind: ExecutionKind,
         source_range: SourceRange,
     ) -> Result<Option<KclValue>, KclError> {
         exec_state.global.operations.push(Operation::GroupBegin {
@@ -533,7 +575,7 @@ impl ExecutorContext {
             ModuleRepr::Root => Err(exec_state.circular_import_error(&path, source_range)),
             ModuleRepr::Kcl(program, cached_items) => {
                 let result = self
-                    .exec_module_from_ast(program, module_id, &path, exec_state, exec_kind, source_range)
+                    .exec_module_from_ast(program, module_id, &path, exec_state, source_range)
                     .await;
                 match result {
                     Ok((val, env, items)) => {
@@ -556,19 +598,17 @@ impl ExecutorContext {
         result
     }
 
-    async fn exec_module_from_ast(
+    pub async fn exec_module_from_ast(
         &self,
         program: &Node<Program>,
         module_id: ModuleId,
         path: &ModulePath,
         exec_state: &mut ExecState,
-        exec_kind: ExecutionKind,
         source_range: SourceRange,
     ) -> Result<(Option<KclValue>, EnvironmentRef, Vec<String>), KclError> {
+        println!("exec_module_from_ast {path}");
         exec_state.global.mod_loader.enter_module(path);
-        let result = self
-            .exec_module_body(program, exec_state, exec_kind, false, module_id, path)
-            .await;
+        let result = self.exec_module_body(program, exec_state, false, module_id, path).await;
         exec_state.global.mod_loader.leave_module(path);
 
         result.map_err(|err| {
@@ -604,7 +644,7 @@ impl ExecutorContext {
             Expr::Name(name) => {
                 let value = name.get_result(exec_state, self).await?.clone();
                 if let KclValue::Module { value: module_id, meta } = value {
-                    self.exec_module_for_result(module_id, name, exec_state, ExecutionKind::Normal, metadata.source_range)
+                    self.exec_module_for_result(module_id, name, exec_state,  metadata.source_range)
                         .await?
                         .unwrap_or_else(|| {
                             exec_state.warn(CompilationError::err(
@@ -792,7 +832,7 @@ impl Node<Name> {
             };
 
             mem_spec = Some(
-                ctx.exec_module_for_items(*module_id, exec_state, ExecutionKind::Normal, p.as_source_range())
+                ctx.exec_module_for_items(*module_id, exec_state, p.as_source_range())
                     .await?,
             );
         }
@@ -1273,7 +1313,7 @@ impl Node<CallExpressionKw> {
                     ));
                 }
 
-                let op = if func.feature_tree_operation() && !ctx.is_isolated_execution().await {
+                let op = if func.feature_tree_operation() {
                     let op_labeled_args = args
                         .kw_args
                         .labeled
@@ -1359,7 +1399,7 @@ impl Node<CallExpressionKw> {
                         e.add_source_ranges(vec![callsite])
                     })?;
 
-                if matches!(fn_src, FunctionSource::User { .. }) && !ctx.is_isolated_execution().await {
+                if matches!(fn_src, FunctionSource::User { .. }) {
                     // Track return operation.
                     exec_state.global.operations.push(Operation::GroupEnd);
                 }
@@ -1411,7 +1451,7 @@ impl Node<CallExpression> {
                     ));
                 }
 
-                let op = if func.feature_tree_operation() && !ctx.is_isolated_execution().await {
+                let op = if func.feature_tree_operation() {
                     let op_labeled_args = func
                         .args(false)
                         .iter()
@@ -1469,7 +1509,6 @@ impl Node<CallExpression> {
                 // exec_state.
                 let func = fn_name.get_result(exec_state, ctx).await?.clone();
 
-                if !ctx.is_isolated_execution().await {
                 // Track call operation.
                 exec_state.global.operations.push(Operation::GroupBegin {
                     group: Group::FunctionCall {
@@ -1481,7 +1520,6 @@ impl Node<CallExpression> {
                     },
                     source_range: callsite,
                 });
-                }
 
                 let Some(fn_src) = func.as_fn() else {
                     return Err(KclError::Semantic(KclErrorDetails {
@@ -1510,10 +1548,8 @@ impl Node<CallExpression> {
                     })
                 })?;
 
-                if !ctx.is_isolated_execution().await {
                 // Track return operation.
                 exec_state.global.operations.push(Operation::GroupEnd);
-                }
 
                 Ok(result)
             }
@@ -2241,7 +2277,7 @@ impl FunctionSource {
                     }
                 }
 
-                let op = if props.include_in_feature_tree && !ctx.is_isolated_execution().await {
+                let op = if props.include_in_feature_tree {
                     let op_labeled_args = args
                         .kw_args
                         .labeled
@@ -2285,7 +2321,6 @@ impl FunctionSource {
                 Ok(Some(result))
             }
             FunctionSource::User { ast, memory, .. } => {
-                if !ctx.is_isolated_execution().await {
                 // Track call operation.
                 let op_labeled_args = args
                     .kw_args
@@ -2306,7 +2341,6 @@ impl FunctionSource {
                     },
                     source_range: callsite,
                 });
-                }
 
                 call_user_defined_function_kw(args.kw_args, *memory, ast, exec_state, ctx).await
             }
@@ -2317,13 +2351,14 @@ impl FunctionSource {
 
 #[cfg(test)]
 mod test {
-    use std::sync::Arc;
-
     use super::*;
     use crate::{
         execution::{memory::Stack, parse_execute, ContextType},
         parsing::ast::types::{DefaultParamVal, Identifier, Parameter},
+        ExecutorSettings,
     };
+    use std::sync::Arc;
+    use tokio::io::AsyncWriteExt;
 
     #[tokio::test(flavor = "multi_thread")]
     async fn test_assign_args_to_params() {
@@ -2432,7 +2467,7 @@ mod test {
             // Run each test.
             let func_expr = &Node::no_src(FunctionExpression {
                 params,
-                body: crate::parsing::ast::types::Program::empty(),
+                body: Program::empty(),
                 return_type: None,
                 digest: None,
             });
@@ -2534,4 +2569,100 @@ a = foo()
         let result = parse_execute(program).await;
         assert!(result.unwrap_err().to_string().contains("return"));
     }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn load_all_modules() {
+        // program a.kcl
+        let programa_kcl = r#"
+export a = 1
+"#;
+        // program b.kcl
+        let programb_kcl = r#"
+import a from 'a.kcl'
+
+export b = a + 1
+"#;
+        // program c.kcl
+        let programc_kcl = r#"
+import a from 'a.kcl'
+
+export c = a + 2
+"#;
+
+        // program main.kcl
+        let main_kcl = r#"
+import b from 'b.kcl'
+import c from 'c.kcl'
+
+d = b + c
+"#;
+
+        let main = crate::parsing::parse_str(main_kcl, ModuleId::default())
+            .parse_errs_as_err()
+            .unwrap();
+
+        let tmpdir = tempdir::TempDir::new("zma_kcl_load_all_modules").unwrap();
+
+        tokio::fs::File::create(tmpdir.path().join("main.kcl"))
+            .await
+            .unwrap()
+            .write_all(main_kcl.as_bytes())
+            .await
+            .unwrap();
+
+        tokio::fs::File::create(tmpdir.path().join("a.kcl"))
+            .await
+            .unwrap()
+            .write_all(programa_kcl.as_bytes())
+            .await
+            .unwrap();
+
+        tokio::fs::File::create(tmpdir.path().join("b.kcl"))
+            .await
+            .unwrap()
+            .write_all(programb_kcl.as_bytes())
+            .await
+            .unwrap();
+
+        tokio::fs::File::create(tmpdir.path().join("c.kcl"))
+            .await
+            .unwrap()
+            .write_all(programc_kcl.as_bytes())
+            .await
+            .unwrap();
+
+        let exec_ctxt = ExecutorContext {
+            engine: Arc::new(Box::new(
+                crate::engine::conn_mock::EngineConnection::new()
+                    .await
+                    .map_err(|err| {
+                        KclError::Internal(crate::errors::KclErrorDetails {
+                            message: format!("Failed to create mock engine connection: {}", err),
+                            source_ranges: vec![SourceRange::default()],
+                        })
+                    })
+                    .unwrap(),
+            )),
+            fs: Arc::new(crate::fs::FileManager::new()),
+            settings: ExecutorSettings {
+                project_directory: Some(tmpdir.path().into()),
+                ..Default::default()
+            },
+            stdlib: Arc::new(crate::std::StdLib::new()),
+            context_type: ContextType::Mock,
+        };
+        let mut exec_state = ExecState::new(&exec_ctxt);
+
+        exec_ctxt
+            .run_concurrent(
+                &crate::Program {
+                    ast: main.clone(),
+                    original_file_contents: "".to_owned(),
+                },
+                &mut exec_state,
+                false,
+            )
+            .await
+            .unwrap();
+    }
 }

rust/kcl-lib/src/execution/mod.rs

@@ -27,21 +27,22 @@ pub use memory::EnvironmentRef;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 pub use state::{ExecState, MetaSettings};
+use tokio::task::JoinSet;
 
 use crate::{
     engine::EngineManager,
-    errors::KclError,
+    errors::{KclError, KclErrorDetails},
     execution::{
         artifact::build_artifact_graph,
         cache::{CacheInformation, CacheResult},
         types::{UnitAngle, UnitLen},
     },
     fs::FileManager,
-    modules::{ModuleId, ModulePath},
+    modules::{ModuleId, ModulePath, ModuleRepr},
     parsing::ast::types::{Expr, ImportPath, NodeRef},
     source_range::SourceRange,
     std::StdLib,
-    CompilationError, ExecError, ExecutionKind, KclErrorWithOutputs,
+    CompilationError, ExecError, KclErrorWithOutputs,
 };
 
 pub(crate) mod annotations;
@@ -497,13 +498,9 @@ impl ExecutorContext {
         self.context_type == ContextType::Mock || self.context_type == ContextType::MockCustomForwarded
     }
 
-    pub async fn is_isolated_execution(&self) -> bool {
-        self.engine.execution_kind().await.is_isolated()
-    }
-
     /// Returns true if we should not send engine commands for any reason.
     pub async fn no_engine_commands(&self) -> bool {
-        self.is_mock() || self.is_isolated_execution().await
+        self.is_mock()
     }
 
     pub async fn send_clear_scene(
@@ -674,7 +671,7 @@ impl ExecutorContext {
             (program, exec_state, false)
         };
 
-        let result = self.inner_run(&program, &mut exec_state, preserve_mem).await;
+        let result = self.run_concurrent(&program, &mut exec_state, preserve_mem).await;
 
         if result.is_err() {
             cache::bust_cache().await;
@@ -707,7 +704,124 @@ impl ExecutorContext {
         program: &crate::Program,
         exec_state: &mut ExecState,
     ) -> Result<(EnvironmentRef, Option<ModelingSessionData>), KclErrorWithOutputs> {
-        self.inner_run(program, exec_state, false).await
+        self.run_concurrent(program, exec_state, false).await
+    }
+
+    /// Perform the execution of a program using an (experimental!) concurrent
+    /// execution model. This has the same signature as [Self::run].
+    ///
+    /// For now -- do not use this unless you're willing to accept some
+    /// breakage.
+    ///
+    /// You can optionally pass in some initialization memory for partial
+    /// execution.
+    ///
+    /// To access non-fatal errors and warnings, extract them from the `ExecState`.
+    pub async fn run_concurrent(
+        &self,
+        program: &crate::Program,
+        exec_state: &mut ExecState,
+        preserve_mem: bool,
+    ) -> Result<(EnvironmentRef, Option<ModelingSessionData>), KclErrorWithOutputs> {
+        self.prepare_mem(exec_state).await.unwrap();
+
+        let mut universe = std::collections::HashMap::new();
+        let mut out_id_map = std::collections::HashMap::new();
+
+        crate::walk::import_universe(self, &program.ast, &mut universe, &mut out_id_map, exec_state)
+            .await
+            .unwrap();
+
+        for modules in crate::walk::import_graph(&universe).unwrap().into_iter() {
+            println!("Running module {modules:?}");
+            //let mut set = JoinSet::new();
+            println!("AFTER Running module {modules:?}");
+            let (results_tx, mut results_rx): (
+                tokio::sync::mpsc::Sender<(
+                    String,
+                    Result<(Option<KclValue>, EnvironmentRef, Vec<String>), KclError>,
+                )>,
+                tokio::sync::mpsc::Receiver<_>,
+            ) = tokio::sync::mpsc::channel(1);
+
+            for module in modules {
+                let program = universe.get(&module).unwrap().clone();
+                let Some(module_id) = out_id_map.get(&module) else {
+                    panic!("Module {module} not found in exec_state");
+                };
+                let module_id = module_id.clone();
+                let module_path = {
+                    let module_info = exec_state.get_module(module_id).unwrap();
+                    let module_path = module_info.path.clone();
+                    module_path
+                };
+                let exec_state = exec_state.clone();
+                let exec_ctxt = self.clone();
+                let results_tx = results_tx.clone();
+
+                println!("before spawn");
+                #[cfg(target_arch = "wasm32")]
+                {
+                    wasm_bindgen_futures::spawn_local(async move {
+                        //set.spawn(async move {
+                        println!("Running module {module} from run_concurrent");
+                        let mut exec_state = exec_state;
+                        let exec_ctxt = exec_ctxt;
+                        let program = program;
+
+                        let result = exec_ctxt
+                            .exec_module_from_ast(
+                                &program,
+                                module_id,
+                                &module_path,
+                                &mut exec_state,
+                                Default::default(),
+                            )
+                            .await;
+
+                        results_tx.send((module, result)).await.unwrap();
+                    });
+                }
+            }
+
+            drop(results_tx);
+
+            while let Some((module, result)) = results_rx.recv().await {
+                match result {
+                    Ok((env_ref, session_data, variables)) => {
+                        println!("{module} {:?}", variables);
+                        let Some(module_id) = out_id_map.get(&module) else {
+                            //let snapshot_png_bytes = self.prepare_snapshot().await.unwrap().contents.0;
+                            // Save to a file.
+                            //tokio::fs::write("snapshot.png", snapshot_png_bytes).await.unwrap();
+
+                            return Err(KclErrorWithOutputs::no_outputs(KclError::Internal(KclErrorDetails {
+                                message: format!("Module {module} not found in exec_state"),
+                                source_ranges: Default::default(),
+                            })));
+                        };
+                        let path = exec_state.global.module_infos[module_id].path.clone();
+                        let mut repr = exec_state.global.module_infos[module_id].take_repr();
+
+                        let ModuleRepr::Kcl(program, cache) = &mut repr else {
+                            continue;
+                        };
+
+                        *cache = Some((session_data, variables.clone()));
+
+                        exec_state.global.module_infos[module_id].restore_repr(repr);
+                    }
+                    Err(e) => {
+                        //let snapshot_png_bytes = self.prepare_snapshot().await.unwrap().contents.0;
+                        // Save to a file.
+                        //tokio::fs::write("snapshot.png", snapshot_png_bytes).await.unwrap();
+                        return Err(KclErrorWithOutputs::no_outputs(e));
+                    }
+                }
+            }
+        }
+
+        self.inner_run(program, exec_state, preserve_mem).await
     }
 
     /// Perform the execution of a program.  Accept all possible parameters and
@@ -758,11 +872,11 @@ impl ExecutorContext {
             )
         })?;
 
-        if !self.is_mock() {
+        /*        if !self.is_mock() {
             let mut mem = exec_state.stack().deep_clone();
             mem.restore_env(env_ref);
             cache::write_old_memory((mem, exec_state.global.module_infos.clone())).await;
-        }
+        }*/
         let session_data = self.engine.get_session_data().await;
         Ok((env_ref, session_data))
     }
@@ -785,7 +899,6 @@ impl ExecutorContext {
             .exec_module_body(
                 program,
                 exec_state,
-                ExecutionKind::Normal,
                 preserve_mem,
                 ModuleId::default(),
                 &ModulePath::Main,
@@ -839,9 +952,7 @@ impl ExecutorContext {
                     source_range,
                 )
                 .await?;
-            let (module_memory, _) = self
-                .exec_module_for_items(id, exec_state, ExecutionKind::Isolated, source_range)
-                .await?;
+            let (module_memory, _) = self.exec_module_for_items(id, exec_state, source_range).await?;
 
             exec_state.mut_stack().memory.set_std(module_memory);
         }

rust/kcl-lib/src/execution/state.rs

@@ -228,6 +228,10 @@ impl ExecState {
         self.global.module_infos.insert(id, module_info);
     }
 
+    pub fn get_module(&mut self, id: ModuleId) -> Option<&ModuleInfo> {
+        self.global.module_infos.get(&id)
+    }
+
     pub fn length_unit(&self) -> UnitLen {
         self.mod_local.settings.default_length_units
     }

rust/kcl-lib/src/lib.rs

@@ -76,12 +76,12 @@ pub mod std;
 pub mod test_server;
 mod thread;
 mod unparser;
-mod walk;
+pub mod walk;
 #[cfg(target_arch = "wasm32")]
 mod wasm;
 
 pub use coredump::CoreDump;
-pub use engine::{EngineManager, EngineStats, ExecutionKind};
+pub use engine::{EngineManager, EngineStats};
 pub use errors::{
     CompilationError, ConnectionError, ExecError, KclError, KclErrorWithOutputs, Report, ReportWithOutputs,
 };

rust/kcl-lib/src/walk/import_graph.rs

@@ -6,8 +6,10 @@ use std::{
 use anyhow::Result;
 
 use crate::{
-    parsing::ast::types::{ImportPath, NodeRef, Program},
+    modules::ModuleRepr,
+    parsing::ast::types::{ImportPath, Node as AstNode, NodeRef, Program},
     walk::{Node, Visitable},
+    ExecState, ExecutorContext, ModuleId,
 };
 
 /// Specific dependency between two modules. The 0th element of this tuple
@@ -23,7 +25,7 @@ type Graph = Vec<Dependency>;
 /// run concurrently. Each "stage" is blocking in this model, which will
 /// change in the future. Don't use this function widely, yet.
 #[allow(clippy::iter_over_hash_type)]
-pub fn import_graph(progs: HashMap<String, NodeRef<'_, Program>>) -> Result<Vec<Vec<String>>> {
+pub fn import_graph(progs: &HashMap<String, AstNode<Program>>) -> Result<Vec<Vec<String>>> {
     let mut graph = Graph::new();
 
     for (name, program) in progs.iter() {
@@ -41,6 +43,9 @@ pub fn import_graph(progs: HashMap<String, NodeRef<'_, Program>>) -> Result<Vec<
 
 #[allow(clippy::iter_over_hash_type)]
 fn topsort(all_modules: &[&str], graph: Graph) -> Result<Vec<Vec<String>>> {
+    if all_modules.is_empty() {
+        return Ok(vec![]);
+    }
     let mut dep_map = HashMap::<String, Vec<String>>::new();
 
     for (dependent, dependency) in graph.iter() {
@@ -57,6 +62,7 @@ fn topsort(all_modules: &[&str], graph: Graph) -> Result<Vec<Vec<String>>> {
     let mut order = vec![];
 
     loop {
+        println!("waiting_modules: {:?}", waiting_modules);
         // Each pass through we need to find any modules which have nothing
         // "pointing at it" -- so-called reverse dependencies. This is an entry
         // that is either not in the dep_map OR an empty list.
@@ -101,7 +107,7 @@ fn topsort(all_modules: &[&str], graph: Graph) -> Result<Vec<Vec<String>>> {
     Ok(order)
 }
 
-pub(crate) fn import_dependencies(prog: NodeRef<'_, Program>) -> Result<Vec<String>> {
+pub(crate) fn import_dependencies(prog: NodeRef<Program>) -> Result<Vec<String>> {
     let ret = Arc::new(Mutex::new(vec![]));
 
     fn walk(ret: Arc<Mutex<Vec<String>>>, node: Node<'_>) {
@@ -125,6 +131,51 @@ pub(crate) fn import_dependencies(prog: NodeRef<'_, Program>) -> Result<Vec<Stri
     Ok(ret)
 }
 
+pub(crate) async fn import_universe<'prog>(
+    ctx: &ExecutorContext,
+    prog: NodeRef<'prog, Program>,
+    out: &mut HashMap<String, AstNode<Program>>,
+    out_id_map: &mut HashMap<String, ModuleId>,
+    exec_state: &mut ExecState,
+) -> Result<()> {
+    let modules = import_dependencies(prog)?;
+    for module in modules {
+        eprintln!("{:?}", module);
+
+        if out.contains_key(&module) {
+            continue;
+        }
+
+        let module_id = ctx
+            .open_module(
+                &ImportPath::Kcl {
+                    filename: module.to_string(),
+                },
+                &[],
+                exec_state,
+                Default::default(),
+            )
+            .await?;
+        out_id_map.insert(module.clone(), module_id);
+
+        let program = {
+            let Some(module_info) = exec_state.get_module(module_id) else {
+                // We should never get here we just fucking added it.
+                anyhow::bail!("Module {} not found", module);
+            };
+            let ModuleRepr::Kcl(program, _) = &module_info.repr else {
+                anyhow::bail!("Module {} is not a KCL program", module);
+            };
+            program.clone()
+        };
+
+        out.insert(module.clone(), program.clone());
+        Box::pin(import_universe(ctx, &program, out, out_id_map, exec_state)).await?;
+    }
+
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -140,16 +191,16 @@ mod tests {
         let mut modules = HashMap::new();
 
         let a = kcl!("");
-        modules.insert("a.kcl".to_owned(), &a);
+        modules.insert("a.kcl".to_owned(), a);
 
         let b = kcl!(
             "
 import \"a.kcl\"
 "
         );
-        modules.insert("b.kcl".to_owned(), &b);
+        modules.insert("b.kcl".to_owned(), b);
 
-        let order = import_graph(modules).unwrap();
+        let order = import_graph(&modules).unwrap();
         assert_eq!(vec![vec!["a.kcl".to_owned()], vec!["b.kcl".to_owned()]], order);
     }
 
@@ -162,16 +213,16 @@ import \"a.kcl\"
 y = 2
 "
         );
-        modules.insert("a.kcl".to_owned(), &a);
+        modules.insert("a.kcl".to_owned(), a);
 
         let b = kcl!(
             "
 x = 1
 "
         );
-        modules.insert("b.kcl".to_owned(), &b);
+        modules.insert("b.kcl".to_owned(), b);
 
-        let order = import_graph(modules).unwrap();
+        let order = import_graph(&modules).unwrap();
         assert_eq!(vec![vec!["a.kcl".to_owned(), "b.kcl".to_owned()]], order);
     }
 
@@ -180,23 +231,23 @@ x = 1
         let mut modules = HashMap::new();
 
         let a = kcl!("");
-        modules.insert("a.kcl".to_owned(), &a);
+        modules.insert("a.kcl".to_owned(), a);
 
         let b = kcl!(
             "
 import \"a.kcl\"
 "
         );
-        modules.insert("b.kcl".to_owned(), &b);
+        modules.insert("b.kcl".to_owned(), b);
 
         let c = kcl!(
             "
 import \"a.kcl\"
 "
         );
-        modules.insert("c.kcl".to_owned(), &c);
+        modules.insert("c.kcl".to_owned(), c);
 
-        let order = import_graph(modules).unwrap();
+        let order = import_graph(&modules).unwrap();
         assert_eq!(
             vec![vec!["a.kcl".to_owned()], vec!["b.kcl".to_owned(), "c.kcl".to_owned()]],
             order
@@ -212,15 +263,15 @@ import \"a.kcl\"
 import \"b.kcl\"
 "
         );
-        modules.insert("a.kcl".to_owned(), &a);
+        modules.insert("a.kcl".to_owned(), a);
 
         let b = kcl!(
             "
 import \"a.kcl\"
 "
         );
-        modules.insert("b.kcl".to_owned(), &b);
+        modules.insert("b.kcl".to_owned(), b);
 
-        import_graph(modules).unwrap_err();
+        import_graph(&modules).unwrap_err();
     }
 }

rust/kcl-lib/src/walk/mod.rs

@@ -8,3 +8,5 @@ mod import_graph;
 pub use ast_node::Node;
 pub use ast_visitor::Visitable;
 pub use ast_walk::walk;
+pub use import_graph::import_graph;
+pub(crate) use import_graph::import_universe;

rust/kcl-to-core/src/conn_mock_core.rs

@@ -4,7 +4,7 @@ use anyhow::Result;
 use indexmap::IndexMap;
 use kcl_lib::{
     exec::{ArtifactCommand, DefaultPlanes, IdGenerator},
-    EngineStats, ExecutionKind, KclError,
+    EngineStats, KclError,
 };
 use kittycad_modeling_cmds::{
     self as kcmc,
@@ -23,7 +23,6 @@ pub struct EngineConnection {
     batch: Arc<RwLock<Vec<(WebSocketRequest, kcl_lib::SourceRange)>>>,
     batch_end: Arc<RwLock<IndexMap<uuid::Uuid, (WebSocketRequest, kcl_lib::SourceRange)>>>,
     core_test: Arc<RwLock<String>>,
-    execution_kind: Arc<RwLock<ExecutionKind>>,
     /// The default planes for the scene.
     default_planes: Arc<RwLock<Option<DefaultPlanes>>>,
     stats: EngineStats,
@@ -37,7 +36,6 @@ impl EngineConnection {
             batch: Arc::new(RwLock::new(Vec::new())),
             batch_end: Arc::new(RwLock::new(IndexMap::new())),
             core_test: result,
-            execution_kind: Default::default(),
             default_planes: Default::default(),
             stats: Default::default(),
         })
@@ -379,18 +377,6 @@ impl kcl_lib::EngineManager for EngineConnection {
         Arc::new(RwLock::new(Vec::new()))
     }
 
-    async fn execution_kind(&self) -> ExecutionKind {
-        let guard = self.execution_kind.read().await;
-        *guard
-    }
-
-    async fn replace_execution_kind(&self, execution_kind: ExecutionKind) -> ExecutionKind {
-        let mut guard = self.execution_kind.write().await;
-        let original = *guard;
-        *guard = execution_kind;
-        original
-    }
-
     fn get_default_planes(&self) -> Arc<RwLock<Option<DefaultPlanes>>> {
         self.default_planes.clone()
     }

rust/kcl-wasm-lib/Cargo.toml

@@ -24,7 +24,7 @@ kcl-lib = { path = "../kcl-lib" }
 kittycad = { workspace = true }
 kittycad-modeling-cmds = { workspace = true }
 serde_json = { workspace = true }
-tokio = { workspace = true, features = ["sync"] }
+tokio = { workspace = true, features = ["sync", "rt"] }
 toml = "0.8.19"
 tower-lsp = { workspace = true, features = ["runtime-agnostic"] }
 uuid = { workspace = true, features = ["v4", "js", "serde"] }

rust/kcl-wasm-lib/src/context.rs

@@ -77,7 +77,8 @@ impl Context {
         let program: Program = serde_json::from_str(program_ast_json).map_err(|e| e.to_string())?;
 
         let ctx = self.create_executor_ctx(settings, path, false)?;
-        match ctx.run_with_caching(program).await {
+        let mut exec_state = kcl_lib::ExecState::new(&ctx);
+        match ctx.run(&program, &mut exec_state).await {
             // The serde-wasm-bindgen does not work here because of weird HashMap issues.
             // DO NOT USE serde_wasm_bindgen::to_value it will break the frontend.
             Ok(outcome) => JsValue::from_serde(&outcome).map_err(|e| e.to_string()),

src/lang/std/engineConnection.ts

@@ -1965,6 +1965,7 @@ export class EngineCommandManager extends EventTarget {
       range,
       idToRangeMap,
     })
+      console.log("responose to wasm", resp)
     return BSON.serialize(resp[0])
   }
   /**