Merge branch 'main' into kurt-rust-sins

playwright.config.ts

@@ -35,17 +35,17 @@ export default defineConfig({
 
   /* Configure projects for major browsers */
   projects: [
-    {
-      name: 'Google Chrome',
-      use: {
-        ...devices['Desktop Chrome'],
-        channel: 'chrome',
-        contextOptions: {
-          /* Chromium is the only one with these permission types */
-          permissions: ['clipboard-write', 'clipboard-read'],
-        },
-      }, // or 'chrome-beta'
-    },
+    // {
+    //   name: 'Google Chrome',
+    //   use: {
+    //     ...devices['Desktop Chrome'],
+    //     channel: 'chrome',
+    //     contextOptions: {
+    //       /* Chromium is the only one with these permission types */
+    //       permissions: ['clipboard-write', 'clipboard-read'],
+    //     },
+    //   }, // or 'chrome-beta'
+    // },
     {
       name: 'webkit',
       use: { ...devices['Desktop Safari'] },

src/components/AstExplorer.tsx

@@ -11,6 +11,7 @@ export function AstExplorer() {
     kclManager.ast,
     context.selectionRanges.codeBasedSelections?.[0]?.range
   )
+  console.log('demo', pathToNode)
   const [filterKeys, setFilterKeys] = useState<string[]>(['start', 'end'])
 
   const _node = getNodeFromPath(kclManager.ast, pathToNode)

src/lang/executor.test.ts

@@ -1,8 +1,14 @@
 import fs from 'node:fs'
 
-import { parse, ProgramMemory, SketchGroup, initPromise } from './wasm'
-import { enginelessExecutor } from '../lib/testHelpers'
+import { parse, ProgramMemory, SketchGroup, initPromise, Program } from './wasm'
+import {
+  MockEngineCommandManager,
+  enginelessExecutor,
+} from '../lib/testHelpers'
 import { KCLError } from './errors'
+import { executeAst } from './langHelpers'
+import { EngineCommandManager } from './std/engineConnection'
+import { getNodePathFromSourceRange } from './queryAst'
 
 beforeAll(async () => {
   await initPromise
@@ -108,32 +114,6 @@ const newVar = myVar + 1`
     expect(root.myVar.value).toBe(7)
   })
 
-  // Enable rotations #152
-  // it('rotated sketch', async () => {
-  //   const code = [
-  //     'const mySk1 = startSketchAt([0,0])',
-  //     '  |> lineTo([1,1], %)',
-  //     '  |> lineTo([0, 1], %, "myPath")',
-  //     '  |> lineTo([1, 1], %)',
-  //     'const rotated = rx(90, mySk1)',
-  //   ].join('\n')
-  //   const { root } = await exe(code)
-  //   expect(root.mySk1.value).toHaveLength(3)
-  //   expect(root?.rotated?.type).toBe('SketchGroup')
-  //   if (
-  //     root?.mySk1?.type !== 'SketchGroup' ||
-  //     root?.rotated?.type !== 'SketchGroup'
-  //   )
-  //     throw new Error('not a sketch group')
-  //   expect(root.mySk1.rotation).toEqual([0, 0, 0, 1])
-  //   expect(root.rotated.rotation.map((a) => a.toFixed(4))).toEqual([
-  //     '0.7071',
-  //     '0.0000',
-  //     '0.0000',
-  //     '0.7071',
-  //   ])
-  // })
-
   it('execute pipe sketch into call expression', async () => {
     // Enable rotations #152
     const code = [
@@ -417,6 +397,75 @@ const theExtrude = startSketchOn('XY')
   })
 })
 
+describe('trying pathToNodeStuff', () => {
+  it('source range should agree with path to node', async () => {
+    const code = `const sketch001 = startSketchOn('XZ')
+  |> startProfileAt([7.72, 4.13], %)
+  |> line([7.11, 3.48], %)
+  |> line([-3.29, -13.86], %)
+  |> close(%)
+const sketch002 = startSketchOn('XY')
+  |> startProfileAt([8.57, 5.92], %)
+  |> line([13.28, 4], %)`
+    const manager = new MockEngineCommandManager({
+      setIsStreamReady: () => {},
+      setMediaStream: () => {},
+    }) as any as EngineCommandManager
+    const ast = parse(code) as Program
+    const yo = await executeAst({
+      ast,
+      engineCommandManager: manager,
+      useFakeExecutor: true,
+    })
+    const sketch001 = yo.programMemory.root.sketch001 as SketchGroup
+    let derivedPaths: [any, any, any][] = sketch001.value.map(
+      ({ __geoMeta }) => {
+        return [
+          getNodePathFromSourceRange(ast, __geoMeta.sourceRange).map((a) => [
+            String(a[0]),
+            a[1],
+          ]),
+          __geoMeta.pathToNode,
+          __geoMeta.sourceRange,
+        ]
+      }
+    )
+    let snippets = [
+      'line([7.11, 3.48], %)',
+      'line([-3.29, -13.86], %)',
+      'close(%)',
+    ]
+    for (const [
+      index,
+      [sourcePath, wasmPath, range],
+    ] of derivedPaths.entries()) {
+      expect(sourcePath).toEqual(wasmPath)
+      const codeSlice = code.slice(range[0], range[1])
+      expect(snippets[index]).toBe(codeSlice)
+    }
+    const sketch002 = yo.programMemory.root.sketch002 as SketchGroup
+    derivedPaths = sketch002.value.map(({ __geoMeta }) => {
+      return [
+        getNodePathFromSourceRange(ast, __geoMeta.sourceRange).map((a) => [
+          String(a[0]),
+          a[1],
+        ]),
+        __geoMeta.pathToNode,
+        __geoMeta.sourceRange,
+      ]
+    })
+    snippets = ['line([13.28, 4], %)']
+    for (const [
+      index,
+      [sourcePath, wasmPath, range],
+    ] of derivedPaths.entries()) {
+      expect(sourcePath).toEqual(wasmPath)
+      const codeSlice = code.slice(range[0], range[1])
+      expect(snippets[index]).toBe(codeSlice)
+    }
+  })
+})
+
 // helpers
 
 async function exe(

src/lang/langHelpers.ts

@@ -5,7 +5,6 @@ import {
   programMemoryInit,
   kclLint,
 } from 'lang/wasm'
-import { enginelessExecutor } from 'lib/testHelpers'
 import { EngineCommandManager } from 'lang/std/engineConnection'
 import { KCLError } from 'lang/errors'
 import { Diagnostic } from '@codemirror/lint'
@@ -65,7 +64,7 @@ export async function executeAst({
       engineCommandManager.startNewSession()
     }
     const programMemory = await (useFakeExecutor
-      ? enginelessExecutor(ast, programMemoryOverride || programMemoryInit())
+      ? _executor(ast, programMemoryInit(), engineCommandManager, true)
       : _executor(ast, programMemoryInit(), engineCommandManager, false))
 
     await engineCommandManager.waitForAllCommands()

src/lang/std/engineConnection.ts

@@ -1809,7 +1809,7 @@ export class EngineCommandManager extends EventTarget {
     range: SourceRange
     command: EngineCommand
     ast: Program
-    idToRangeMap?: { [key: string]: SourceRange }
+    idToRangeMap?: { [key: string]: [SourceRange, PathToNode] }
   }): Promise<ResolveCommand | void> {
     if (this.engineConnection === undefined) {
       return Promise.resolve()
@@ -1878,7 +1878,8 @@ export class EngineCommandManager extends EventTarget {
     id: string,
     command: Models['ModelingCmd_type'],
     ast?: Program,
-    range?: SourceRange
+    range?: SourceRange,
+    _pathToNode?: PathToNode
   ): Promise<ResolveCommand | void> {
     let resolve: (val: any) => void = () => {}
     const promise: Promise<ResolveCommand | void> = new Promise(
@@ -1899,7 +1900,9 @@ export class EngineCommandManager extends EventTarget {
       if (command.type === 'extrude') return command.target
       // handle other commands that have a parent here
     }
-    const pathToNode = ast
+    const pathToNode = _pathToNode
+      ? _pathToNode
+      : ast
       ? getNodePathFromSourceRange(ast, range || [0, 0])
       : []
     this.artifactMap[id] = {
@@ -1945,7 +1948,7 @@ export class EngineCommandManager extends EventTarget {
   async handlePendingBatchCommand(
     id: string,
     commands: Models['ModelingCmdReq_type'][],
-    idToRangeMap?: { [key: string]: SourceRange },
+    idToRangeMap?: { [key: string]: [SourceRange, PathToNode] },
     ast?: Program,
     range?: SourceRange
   ): Promise<ResolveCommand | void> {
@@ -1978,7 +1981,12 @@ export class EngineCommandManager extends EventTarget {
 
     Promise.all(
       commands.map((c) =>
-        this.handlePendingCommand(c.cmd_id, c.cmd, ast, idToRangeMap[c.cmd_id])
+        this.handlePendingCommand(
+          c.cmd_id,
+          c.cmd,
+          ast,
+          ...idToRangeMap[c.cmd_id]
+        )
       )
     )
     return promise
@@ -1986,9 +1994,16 @@ export class EngineCommandManager extends EventTarget {
   async sendModelingCommandFromWasm(
     id: string,
     rangeStr: string,
+    pathToNodeStr: string,
     commandStr: string,
     idToRangeStr: string
   ): Promise<string | void> {
+    console.log(
+      'pathToNodeStr',
+      pathToNodeStr,
+      JSON.parse(commandStr),
+      JSON.parse(idToRangeStr)
+    )
     if (this.engineConnection === undefined) {
       return Promise.resolve()
     }
@@ -2005,7 +2020,7 @@ export class EngineCommandManager extends EventTarget {
       return Promise.reject(new Error('commandStr is undefined'))
     }
     const range: SourceRange = JSON.parse(rangeStr)
-    const idToRangeMap: { [key: string]: SourceRange } =
+    const idToRangeMap: { [key: string]: [SourceRange, PathToNode] } =
       JSON.parse(idToRangeStr)
 
     const command: EngineCommand = JSON.parse(commandStr)

src/lib/testHelpers.ts

@@ -19,7 +19,7 @@ const defaultPlanes: DefaultPlanes = {
   negYz: uuidv4(),
 }
 
-class MockEngineCommandManager {
+export class MockEngineCommandManager {
   // eslint-disable-next-line @typescript-eslint/no-useless-constructor
   constructor(mockParams: {
     setIsStreamReady: (isReady: boolean) => void
@@ -37,6 +37,7 @@ class MockEngineCommandManager {
     range: SourceRange
     command: EngineCommand
   }): Promise<any> {
+    console.log('YOYOYOYOY!!!!!!')
     const response: WebSocketResponse = {
       success: true,
       resp: {
@@ -51,11 +52,18 @@ class MockEngineCommandManager {
   async wasmGetDefaultPlanes(): Promise<string> {
     return JSON.stringify(defaultPlanes)
   }
-  sendModelingCommandFromWasm(
+  yo: any[] = []
+  async sendModelingCommandFromWasm(
     id: string,
     rangeStr: string,
-    commandStr: string
+    pathToNodeStr: string,
+    commandStr: string,
+    idToRangeStr: string
   ): Promise<any> {
+    console.log('YOYOYOYOYO<')
+    if (idToRangeStr) {
+      this.yo.push(idToRangeStr)
+    }
     if (id === undefined) {
       return Promise.reject(new Error('id is undefined'))
     }
@@ -71,6 +79,7 @@ class MockEngineCommandManager {
     return this.sendModelingCommand({ id, range, command })
   }
   sendSceneCommand() {}
+  clearDefaultPlanes() {}
 }
 
 export async function enginelessExecutor(
@@ -88,6 +97,7 @@ export async function enginelessExecutor(
   mockEngineCommandManager.startNewSession()
   const programMemory = await _executor(ast, pm, mockEngineCommandManager, true)
   await mockEngineCommandManager.waitForAllCommands()
+  console.log('hey', (mockEngineCommandManager as any).yo)
   return programMemory
 }
 

src/wasm-lib/derive-docs/src/lib.rs

@@ -456,7 +456,7 @@ fn do_stdlib_inner(
     if !errors.is_empty() {
         errors.insert(0, Error::new_spanned(&ast.sig, ""));
     }
-
+    println!("{}", stream);
     Ok((stream, errors))
 }
 
@@ -802,6 +802,7 @@ fn generate_code_block_test(fn_name: &str, code_block: &str, index: usize) -> pr
                 .send_modeling_cmd(
                     uuid::Uuid::new_v4(),
                     crate::executor::SourceRange::default(),
+                    crate::executor::PathToNode::default(),
                     kittycad::types::ModelingCmd::ZoomToFit {
                         object_ids: Default::default(),
                         padding: 0.1,
@@ -815,6 +816,7 @@ fn generate_code_block_test(fn_name: &str, code_block: &str, index: usize) -> pr
                 .send_modeling_cmd(
                     uuid::Uuid::new_v4(),
                     crate::executor::SourceRange::default(),
+                    crate::executor::PathToNode::default(),
                     kittycad::types::ModelingCmd::TakeSnapshot {
                         format: kittycad::types::ImageFormat::Png,
                     },

src/wasm-lib/kcl/src/ast/modify.rs

@@ -9,7 +9,7 @@ use crate::{
     },
     engine::EngineManager,
     errors::{KclError, KclErrorDetails},
-    executor::{Point2d, SourceRange},
+    executor::{PathToNode, Point2d, SourceRange},
 };
 
 #[derive(Debug)]
@@ -77,6 +77,7 @@ pub async fn modify_ast_for_sketch(
         .send_modeling_cmd(
             uuid::Uuid::new_v4(),
             SourceRange::default(),
+            PathToNode::default(),
             ModelingCmd::PathGetInfo { path_id: sketch_id },
         )
         .await?;
@@ -101,6 +102,7 @@ pub async fn modify_ast_for_sketch(
             let h = engine.send_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 SourceRange::default(),
+                PathToNode::default(),
                 ModelingCmd::CurveGetControlPoints { curve_id: *command_id },
             );
 

src/wasm-lib/kcl/src/ast/types.rs

@@ -1307,6 +1307,7 @@ impl CallExpression {
         for arg in &self.arguments {
             let metadata = Metadata {
                 source_range: SourceRange([arg.start(), arg.end()]),
+                path_to_node: Some(memory.path_to_node.clone()),
             };
             let result = ctx
                 .arg_into_mem_item(arg, memory, pipe_info, &metadata, StatementKind::Expression)
@@ -1872,6 +1873,7 @@ impl From<Literal> for MemoryItem {
             value: JValue::from(literal.value.clone()),
             meta: vec![Metadata {
                 source_range: literal.into(),
+                path_to_node: None,
             }],
         })
     }
@@ -1883,6 +1885,7 @@ impl From<&Box<Literal>> for MemoryItem {
             value: JValue::from(literal.value.clone()),
             meta: vec![Metadata {
                 source_range: literal.into(),
+                path_to_node: None,
             }],
         })
     }
@@ -1979,6 +1982,7 @@ impl From<&TagDeclarator> for TagIdentifier {
             value: tag.name.clone(),
             meta: vec![Metadata {
                 source_range: tag.into(),
+                path_to_node: None,
             }],
         }
     }
@@ -2050,6 +2054,7 @@ impl TagDeclarator {
             value: self.name.clone(),
             meta: vec![Metadata {
                 source_range: self.into(),
+                path_to_node: None,
             }],
         }));
 
@@ -2270,6 +2275,7 @@ impl ArrayExpression {
             value: results.into(),
             meta: vec![Metadata {
                 source_range: self.into(),
+                path_to_node: None,
             }],
         }))
     }
@@ -2438,6 +2444,7 @@ impl ObjectExpression {
             value: object.into(),
             meta: vec![Metadata {
                 source_range: self.into(),
+                path_to_node: None,
             }],
         }))
     }
@@ -2676,6 +2683,7 @@ impl MemberExpression {
                     value: value.clone(),
                     meta: vec![Metadata {
                         source_range: self.into(),
+                        path_to_node: None,
                     }],
                 }))
             } else {
@@ -2733,6 +2741,7 @@ impl MemberExpression {
                     value: value.clone(),
                     meta: vec![Metadata {
                         source_range: self.into(),
+                        path_to_node: None,
                     }],
                 }))
             } else {
@@ -2894,6 +2903,7 @@ impl BinaryExpression {
                     value,
                     meta: vec![Metadata {
                         source_range: self.into(),
+                        path_to_node: None,
                     }],
                 }));
             }
@@ -2915,6 +2925,7 @@ impl BinaryExpression {
             value,
             meta: vec![Metadata {
                 source_range: self.into(),
+                path_to_node: None,
             }],
         }))
     }
@@ -3101,6 +3112,7 @@ impl UnaryExpression {
             value: (-(num)).into(),
             meta: vec![Metadata {
                 source_range: self.into(),
+                path_to_node: None,
             }],
         }))
     }
@@ -3266,7 +3278,10 @@ impl PipeExpression {
         pipe_info: &PipeInfo,
         ctx: &ExecutorContext,
     ) -> Result<MemoryItem, KclError> {
-        execute_pipe_body(memory, &self.body, pipe_info, self.into(), ctx).await
+        memory.path_to_node.push(("body".to_string(), "PipeExpression".to_string()));
+        let result = execute_pipe_body(memory, &self.body, pipe_info, self.into(), ctx).await;
+        // memory.path_to_node.pop();
+        result
     }
 
     /// Rename all identifiers that have the old name to the new given name.
@@ -3298,6 +3313,7 @@ async fn execute_pipe_body(
     // of its own.
     let meta = Metadata {
         source_range: SourceRange([first.start(), first.end()]),
+        path_to_node: Some(memory.path_to_node.clone()),
     };
     let output = ctx
         .arg_into_mem_item(first, memory, pipe_info, &meta, StatementKind::Expression)
@@ -3308,13 +3324,16 @@ async fn execute_pipe_body(
     let mut new_pipe_info = PipeInfo::new();
     new_pipe_info.previous_results = Some(output);
     // Evaluate remaining elements.
-    for expression in body {
+    for (indexYo, expression) in body.enumerate() {
+        let mut _memory = memory.clone();
+        _memory.path_to_node.push(((indexYo+1).to_string(), "index".to_string()));
+        
         let output = match expression {
             Value::BinaryExpression(binary_expression) => {
-                binary_expression.get_result(memory, &new_pipe_info, ctx).await?
+                binary_expression.get_result(&mut _memory, &new_pipe_info, ctx).await?
             }
-            Value::CallExpression(call_expression) => call_expression.execute(memory, &new_pipe_info, ctx).await?,
-            Value::Identifier(identifier) => memory.get(&identifier.name, identifier.into())?.clone(),
+            Value::CallExpression(call_expression) => call_expression.execute(&mut _memory, &new_pipe_info, ctx).await?,
+            Value::Identifier(identifier) => _memory.get(&identifier.name, identifier.into())?.clone(),
             _ => {
                 // Return an error this should not happen.
                 return Err(KclError::Semantic(KclErrorDetails {
@@ -3324,6 +3343,7 @@ async fn execute_pipe_body(
             }
         };
         new_pipe_info.previous_results = Some(output);
+        // memory.path_to_node.pop();
     }
     // Safe to unwrap here, because `newpipe_info` always has something pushed in when the `match first` executes.
     let final_output = new_pipe_info.previous_results.unwrap();

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

@@ -33,8 +33,8 @@ pub struct EngineConnection {
     responses: Arc<DashMap<uuid::Uuid, WebSocketResponse>>,
     tcp_read_handle: Arc<TcpReadHandle>,
     socket_health: Arc<Mutex<SocketHealth>>,
-    batch: Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>>,
-    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>>,
+    batch: Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
+    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
 
     /// The default planes for the scene.
     default_planes: Arc<RwLock<Option<DefaultPlanes>>>,
@@ -248,15 +248,15 @@ impl EngineConnection {
 
 #[async_trait::async_trait]
 impl EngineManager for EngineConnection {
-    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch.clone()
     }
 
-    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch_end.clone()
     }
 
-    async fn default_planes(&self, source_range: crate::executor::SourceRange) -> Result<DefaultPlanes, KclError> {
+    async fn default_planes(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<DefaultPlanes, KclError> {
         {
             let opt = self.default_planes.read().await.as_ref().cloned();
             if let Some(planes) = opt {
@@ -264,15 +264,15 @@ impl EngineManager for EngineConnection {
             }
         } // drop the read lock
 
-        let new_planes = self.new_default_planes(source_range).await?;
+        let new_planes = self.new_default_planes(source_range, path_to_node).await?;
         *self.default_planes.write().await = Some(new_planes.clone());
 
         Ok(new_planes)
     }
 
-    async fn clear_scene_post_hook(&self, source_range: crate::executor::SourceRange) -> Result<(), KclError> {
+    async fn clear_scene_post_hook(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<(), KclError> {
         // Remake the default planes, since they would have been removed after the scene was cleared.
-        let new_planes = self.new_default_planes(source_range).await?;
+        let new_planes = self.new_default_planes(source_range, path_to_node).await?;
         *self.default_planes.write().await = Some(new_planes);
 
         Ok(())
@@ -282,8 +282,9 @@ impl EngineManager for EngineConnection {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
         cmd: kittycad::types::WebSocketRequest,
-        _id_to_source_range: std::collections::HashMap<uuid::Uuid, crate::executor::SourceRange>,
+        _id_to_source_range: std::collections::HashMap<uuid::Uuid, (crate::executor::SourceRange, crate::executor::PathToNode)>,
     ) -> Result<WebSocketResponse, KclError> {
         let (tx, rx) = oneshot::channel();
 

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

@@ -13,8 +13,8 @@ use crate::{errors::KclError, executor::DefaultPlanes};
 
 #[derive(Debug, Clone)]
 pub struct EngineConnection {
-    batch: Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>>,
-    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>>,
+    batch: Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
+    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
 }
 
 impl EngineConnection {
@@ -28,19 +28,19 @@ impl EngineConnection {
 
 #[async_trait::async_trait]
 impl crate::engine::EngineManager for EngineConnection {
-    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch.clone()
     }
 
-    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch_end.clone()
     }
 
-    async fn default_planes(&self, _source_range: crate::executor::SourceRange) -> Result<DefaultPlanes, KclError> {
+    async fn default_planes(&self, _source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<DefaultPlanes, KclError> {
         Ok(DefaultPlanes::default())
     }
 
-    async fn clear_scene_post_hook(&self, _source_range: crate::executor::SourceRange) -> Result<(), KclError> {
+    async fn clear_scene_post_hook(&self, _source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<(), KclError> {
         Ok(())
     }
 
@@ -48,8 +48,9 @@ impl crate::engine::EngineManager for EngineConnection {
         &self,
         id: uuid::Uuid,
         _source_range: crate::executor::SourceRange,
+        _path_to_node: crate::executor::PathToNode,
         cmd: kittycad::types::WebSocketRequest,
-        _id_to_source_range: std::collections::HashMap<uuid::Uuid, crate::executor::SourceRange>,
+        _id_to_source_range: std::collections::HashMap<uuid::Uuid, (crate::executor::SourceRange, crate::executor::PathToNode)>,
     ) -> Result<WebSocketResponse, KclError> {
         match cmd {
             WebSocketRequest::ModelingCmdBatchReq {

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

@@ -24,6 +24,7 @@ extern "C" {
         this: &EngineCommandManager,
         id: String,
         rangeStr: String,
+        pathToNodeStr: String,
         cmdStr: String,
         idToRangeStr: String,
     ) -> Result<js_sys::Promise, js_sys::Error>;
@@ -41,8 +42,8 @@ extern "C" {
 #[derive(Debug, Clone)]
 pub struct EngineConnection {
     manager: Arc<EngineCommandManager>,
-    batch: Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>>,
-    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>>,
+    batch: Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
+    batch_end: Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>,
 }
 
 // Safety: WebAssembly will only ever run in a single-threaded context.
@@ -61,15 +62,15 @@ impl EngineConnection {
 
 #[async_trait::async_trait]
 impl crate::engine::EngineManager for EngineConnection {
-    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch(&self) -> Arc<Mutex<Vec<(WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch.clone()
     }
 
-    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, crate::executor::SourceRange)>>> {
+    fn batch_end(&self) -> Arc<Mutex<HashMap<uuid::Uuid, (WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>> {
         self.batch_end.clone()
     }
 
-    async fn default_planes(&self, source_range: crate::executor::SourceRange) -> Result<DefaultPlanes, KclError> {
+    async fn default_planes(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<DefaultPlanes, KclError> {
         // Get the default planes.
         let promise = self.manager.get_default_planes().map_err(|e| {
             KclError::Engine(KclErrorDetails {
@@ -107,7 +108,7 @@ impl crate::engine::EngineManager for EngineConnection {
         Ok(default_planes)
     }
 
-    async fn clear_scene_post_hook(&self, source_range: crate::executor::SourceRange) -> Result<(), KclError> {
+    async fn clear_scene_post_hook(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<(), KclError> {
         self.manager.clear_default_planes().map_err(|e| {
             KclError::Engine(KclErrorDetails {
                 message: e.to_string().into(),
@@ -137,8 +138,10 @@ impl crate::engine::EngineManager for EngineConnection {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        // path_to_node: Vec<(String, String)>,
+        path_to_node: crate::executor::PathToNode,
         cmd: kittycad::types::WebSocketRequest,
-        id_to_source_range: std::collections::HashMap<uuid::Uuid, crate::executor::SourceRange>,
+        id_to_source_range: std::collections::HashMap<uuid::Uuid, (crate::executor::SourceRange, crate::executor::PathToNode)>,
     ) -> Result<kittycad::types::WebSocketResponse, KclError> {
         let source_range_str = serde_json::to_string(&source_range).map_err(|e| {
             KclError::Engine(KclErrorDetails {
@@ -146,6 +149,12 @@ impl crate::engine::EngineManager for EngineConnection {
                 source_ranges: vec![source_range],
             })
         })?;
+        let path_to_node_str = serde_json::to_string(&path_to_node).map_err(|e| {
+            KclError::Engine(KclErrorDetails {
+                message: format!("Failed to serialize path to node: {:?}", e),
+                source_ranges: vec![source_range],
+            })
+        })?;
         let cmd_str = serde_json::to_string(&cmd).map_err(|e| {
             KclError::Engine(KclErrorDetails {
                 message: format!("Failed to serialize modeling command: {:?}", e),
@@ -161,7 +170,7 @@ impl crate::engine::EngineManager for EngineConnection {
 
         let promise = self
             .manager
-            .send_modeling_cmd_from_wasm(id.to_string(), source_range_str, cmd_str, id_to_source_range_str)
+            .send_modeling_cmd_from_wasm(id.to_string(), source_range_str, path_to_node_str, cmd_str, id_to_source_range_str)
             .map_err(|e| {
                 KclError::Engine(KclErrorDetails {
                     message: e.to_string().into(),

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

@@ -31,17 +31,18 @@ lazy_static::lazy_static! {
 #[async_trait::async_trait]
 pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
     /// Get the batch of commands to be sent to the engine.
-    fn batch(&self) -> Arc<Mutex<Vec<(kittycad::types::WebSocketRequest, crate::executor::SourceRange)>>>;
+    fn batch(&self) -> Arc<Mutex<Vec<(kittycad::types::WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>;
 
     /// Get the batch of end commands to be sent to the engine.
     fn batch_end(
         &self,
-    ) -> Arc<Mutex<HashMap<uuid::Uuid, (kittycad::types::WebSocketRequest, crate::executor::SourceRange)>>>;
+    ) -> Arc<Mutex<HashMap<uuid::Uuid, (kittycad::types::WebSocketRequest, (crate::executor::SourceRange, crate::executor::PathToNode))>>>;
 
     /// Get the default planes.
     async fn default_planes(
         &self,
         _source_range: crate::executor::SourceRange,
+        _path_to_node: crate::executor::PathToNode,
     ) -> Result<DefaultPlanes, crate::errors::KclError>;
 
     /// Helpers to be called after clearing a scene.
@@ -49,6 +50,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
     async fn clear_scene_post_hook(
         &self,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
     ) -> Result<(), crate::errors::KclError>;
 
     /// Send a modeling command and wait for the response message.
@@ -56,24 +58,26 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
         cmd: kittycad::types::WebSocketRequest,
-        id_to_source_range: std::collections::HashMap<uuid::Uuid, crate::executor::SourceRange>,
+        id_to_source_range: std::collections::HashMap<uuid::Uuid, (crate::executor::SourceRange, crate::executor::PathToNode)>,
     ) -> Result<kittycad::types::WebSocketResponse, crate::errors::KclError>;
 
-    async fn clear_scene(&self, source_range: crate::executor::SourceRange) -> Result<(), crate::errors::KclError> {
+    async fn clear_scene(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<(), crate::errors::KclError> {
         self.batch_modeling_cmd(
             uuid::Uuid::new_v4(),
             source_range,
+            path_to_node.clone(),
             &kittycad::types::ModelingCmd::SceneClearAll {},
         )
         .await?;
 
         // Flush the batch queue, so clear is run right away.
         // Otherwise the hooks below won't work.
-        self.flush_batch(false, source_range).await?;
+        self.flush_batch(false, source_range, path_to_node.clone()).await?;
 
         // Do the after clear scene hook.
-        self.clear_scene_post_hook(source_range).await?;
+        self.clear_scene_post_hook(source_range, path_to_node).await?;
 
         Ok(())
     }
@@ -83,6 +87,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
         cmd: &kittycad::types::ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
         let req = WebSocketRequest::ModelingCmdReq {
@@ -91,7 +96,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         };
 
         // Add cmd to the batch.
-        self.batch().lock().unwrap().push((req, source_range));
+        self.batch().lock().unwrap().push((req, (source_range, path_to_node)));
 
         Ok(())
     }
@@ -103,6 +108,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
         cmd: &kittycad::types::ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
         let req = WebSocketRequest::ModelingCmdReq {
@@ -111,7 +117,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         };
 
         // Add cmd to the batch end.
-        self.batch_end().lock().unwrap().insert(id, (req, source_range));
+        self.batch_end().lock().unwrap().insert(id, (req, (source_range, path_to_node)));
         Ok(())
     }
 
@@ -122,12 +128,13 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         &self,
         id: uuid::Uuid,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
         cmd: kittycad::types::ModelingCmd,
     ) -> Result<kittycad::types::OkWebSocketResponseData, crate::errors::KclError> {
-        self.batch_modeling_cmd(id, source_range, &cmd).await?;
+        self.batch_modeling_cmd(id, source_range, path_to_node.clone(), &cmd).await?;
 
         // Flush the batch queue.
-        self.flush_batch(false, source_range).await
+        self.flush_batch(false, source_range, path_to_node).await
     }
 
     /// Force flush the batch queue.
@@ -137,6 +144,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         // We only do this at the very end of the file.
         batch_end: bool,
         source_range: crate::executor::SourceRange,
+        path_to_node: crate::executor::PathToNode,
     ) -> Result<kittycad::types::OkWebSocketResponseData, crate::errors::KclError> {
         let all_requests = if batch_end {
             let mut requests = self.batch().lock().unwrap().clone();
@@ -183,12 +191,12 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         for (req, range) in all_requests.iter() {
             match req {
                 WebSocketRequest::ModelingCmdReq { cmd: _, cmd_id } => {
-                    id_to_source_range.insert(*cmd_id, *range);
+                    id_to_source_range.insert(*cmd_id, range.clone());
                 }
                 _ => {
                     return Err(KclError::Engine(KclErrorDetails {
                         message: format!("The request is not a modeling command: {:?}", req),
-                        source_ranges: vec![*range],
+                        source_ranges: vec![range.clone().0],
                     }));
                 }
             }
@@ -210,7 +218,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
                 // Get the last command ID.
                 let last_id = requests.last().unwrap().cmd_id;
                 let ws_resp = self
-                    .inner_send_modeling_cmd(batch_id, source_range, final_req, id_to_source_range.clone())
+                    .inner_send_modeling_cmd(batch_id, source_range, path_to_node, final_req, id_to_source_range.clone())
                     .await?;
                 let response = self.parse_websocket_response(ws_resp, source_range)?;
 
@@ -240,9 +248,9 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
                     })
                 })?;
                 let ws_resp = self
-                    .inner_send_modeling_cmd(cmd_id, source_range, final_req, id_to_source_range)
+                    .inner_send_modeling_cmd(cmd_id, source_range.0, path_to_node, final_req, id_to_source_range)
                     .await?;
-                self.parse_websocket_response(ws_resp, source_range)
+                self.parse_websocket_response(ws_resp, source_range.0)
             }
             _ => Err(KclError::Engine(KclErrorDetails {
                 message: format!("The final request is not a modeling command: {:?}", final_req),
@@ -266,6 +274,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         self.batch_modeling_cmd(
             plane_id,
             source_range,
+            crate::executor::PathToNode::default(),
             &ModelingCmd::MakePlane {
                 clobber: false,
                 origin: default_origin,
@@ -282,6 +291,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
             self.batch_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 source_range,
+                crate::executor::PathToNode::default(),
                 &ModelingCmd::PlaneSetColor { color, plane_id },
             )
             .await?;
@@ -290,7 +300,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         Ok(plane_id)
     }
 
-    async fn new_default_planes(&self, source_range: crate::executor::SourceRange) -> Result<DefaultPlanes, KclError> {
+    async fn new_default_planes(&self, source_range: crate::executor::SourceRange, path_to_node: crate::executor::PathToNode) -> Result<DefaultPlanes, KclError> {
         let plane_settings: HashMap<PlaneName, (Point3d, Point3d, Option<Color>)> = HashMap::from([
             (
                 PlaneName::Xy,
@@ -378,7 +388,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         }
 
         // Flush the batch queue, so these planes are created right away.
-        self.flush_batch(false, source_range).await?;
+        self.flush_batch(false, source_range, path_to_node).await?;
 
         Ok(DefaultPlanes {
             xy: planes[&PlaneName::Xy],
@@ -416,7 +426,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         // The last response we are looking for.
         id: uuid::Uuid,
         // The mapping of source ranges to command IDs.
-        id_to_source_range: std::collections::HashMap<uuid::Uuid, crate::executor::SourceRange>,
+        id_to_source_range: std::collections::HashMap<uuid::Uuid, (crate::executor::SourceRange, crate::executor::PathToNode)>,
         // The response from the engine.
         responses: HashMap<String, kittycad::types::BatchResponse>,
     ) -> Result<kittycad::types::OkWebSocketResponseData, crate::errors::KclError> {
@@ -425,7 +435,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
             let cmd_id = uuid::Uuid::parse_str(cmd_id).map_err(|e| {
                 KclError::Engine(KclErrorDetails {
                     message: format!("Failed to parse command ID: {:?}", e),
-                    source_ranges: vec![id_to_source_range[&id]],
+                    source_ranges: vec![id_to_source_range[&id].0],
                 })
             })?;
 
@@ -439,7 +449,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
                 })?;
                 return Err(KclError::Engine(KclErrorDetails {
                     message: format!("Modeling command failed: {:?}", errors),
-                    source_ranges: vec![source_range],
+                    source_ranges: vec![source_range.0],
                 }));
             }
             if let Some(response) = resp.response.as_ref() {
@@ -468,6 +478,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         self.batch_modeling_cmd(
             uuid::Uuid::new_v4(),
             Default::default(),
+            Default::default(),
             &ModelingCmd::ObjectVisible {
                 hidden,
                 object_id: *GRID_OBJECT_ID,
@@ -479,6 +490,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         self.batch_modeling_cmd(
             uuid::Uuid::new_v4(),
             Default::default(),
+            Default::default(),
             &ModelingCmd::ObjectVisible {
                 hidden,
                 object_id: *GRID_SCALE_TEXT_OBJECT_ID,
@@ -486,7 +498,7 @@ pub trait EngineManager: std::fmt::Debug + Send + Sync + 'static {
         )
         .await?;
 
-        self.flush_batch(false, Default::default()).await?;
+        self.flush_batch(false, Default::default(), Default::default()).await?;
 
         Ok(())
     }

src/wasm-lib/kcl/src/executor.rs

@@ -26,6 +26,9 @@ pub struct ProgramMemory {
     pub root: HashMap<String, MemoryItem>,
     #[serde(rename = "return")]
     pub return_: Option<ProgramReturn>,
+    #[serde(skip)]
+    pub path_to_node: PathToNode,
+    // pub path_to_node: Vec<(String, String)>,
 }
 
 impl ProgramMemory {
@@ -62,6 +65,8 @@ impl ProgramMemory {
                 ),
             ]),
             return_: None,
+            // path_to_node: Vec::new(),
+            path_to_node: PathToNode::new(),
         }
     }
 
@@ -1004,6 +1009,24 @@ pub enum BodyType {
 #[ts(export)]
 pub struct SourceRange(#[ts(type = "[number, number]")] pub [usize; 2]);
 
+#[derive(Debug, Default, Deserialize, Serialize, PartialEq, Clone, ts_rs::TS, JsonSchema, Hash, Eq)]
+#[cfg_attr(feature = "pyo3", pyo3::pyclass)]
+#[ts(export)]
+pub struct PathToNode(#[ts(type = "Array<[string, string]>")] pub Vec<(String, String)>);
+
+impl PathToNode {
+    pub fn new() -> Self {
+        Self(Vec::new())
+    }
+
+    pub fn push(&mut self, path: (String, String)) {
+        self.0.push(path);
+    }
+    pub fn pop(&mut self) -> Option<(String, String)> {
+        self.0.pop()
+    }
+}
+
 impl SourceRange {
     /// Create a new source range.
     pub fn new(start: usize, end: usize) -> Self {
@@ -1132,11 +1155,16 @@ impl From<Point3d> for kittycad::types::Point3D {
 pub struct Metadata {
     /// The source range.
     pub source_range: SourceRange,
+
+    // pathToNode
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub path_to_node: Option<PathToNode>,
 }
 
-impl From<SourceRange> for Metadata {
-    fn from(source_range: SourceRange) -> Self {
-        Self { source_range }
+// Implement From trait for Metadata from a tuple of SourceRange and PathToNode
+impl From<(SourceRange, Option<PathToNode>)> for Metadata {
+    fn from((source_range, path_to_node): (SourceRange, Option<PathToNode>)) -> Self {
+        Self { source_range, path_to_node }
     }
 }
 
@@ -1349,6 +1377,8 @@ pub struct ExecutorContext {
     /// Mock mode is only for the modeling app when they just want to mock engine calls and not
     /// actually make them.
     pub is_mock: bool,
+    // an array of tuples (string| number, string)[]
+    // pub path_to_node: Vec<(String, String)>,
 }
 
 /// The executor settings.
@@ -1438,6 +1468,7 @@ impl ExecutorContext {
             .batch_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 SourceRange::default(),
+                PathToNode::default(),
                 &kittycad::types::ModelingCmd::EdgeLinesVisible {
                     hidden: !settings.highlight_edges,
                 },
@@ -1450,6 +1481,7 @@ impl ExecutorContext {
             stdlib: Arc::new(StdLib::new()),
             settings,
             is_mock: false,
+            // path_to_node: Vec::new(),
         })
     }
 
@@ -1499,6 +1531,7 @@ impl ExecutorContext {
             .send_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 SourceRange::default(),
+                PathToNode::default(),
                 kittycad::types::ModelingCmd::SceneClearAll {},
             )
             .await?;
@@ -1518,6 +1551,7 @@ impl ExecutorContext {
             .batch_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 SourceRange::default(),
+                PathToNode::default(),
                 &kittycad::types::ModelingCmd::SetSceneUnits {
                     unit: self.settings.units.into(),
                 },
@@ -1541,9 +1575,11 @@ impl ExecutorContext {
         body_type: BodyType,
     ) -> Result<ProgramMemory, KclError> {
         let pipe_info = PipeInfo::default();
+        memory.path_to_node.push(("body".to_string(), "".to_string()));
         
         // Iterate over the body of the program.
-        for statement in &program.body {
+        for (index, statement) in program.body.iter().enumerate() {
+            memory.path_to_node.push((index.to_string(), "index".to_string()));
             match statement {
                 BodyItem::ExpressionStatement(expression_statement) => {
                     if let Value::PipeExpression(pipe_expr) = &expression_statement.expression {
@@ -1554,6 +1590,7 @@ impl ExecutorContext {
                         for arg in &call_expr.arguments {
                             let metadata = Metadata {
                                 source_range: SourceRange([arg.start(), arg.end()]),
+                                path_to_node: Some(memory.path_to_node.clone()),
                             };
                             let mem_item = self
                                 .arg_into_mem_item(arg, memory, &pipe_info, &metadata, StatementKind::Expression)
@@ -1587,10 +1624,14 @@ impl ExecutorContext {
                     }
                 }
                 BodyItem::VariableDeclaration(variable_declaration) => {
-                    for declaration in &variable_declaration.declarations {
+                    // let mut _memory = memory.clone();
+                    memory.path_to_node.push(("declarations".to_string(), "VariableDeclaration".to_string()));
+                    for (index, declaration) in variable_declaration.declarations.iter().enumerate() {
+                        memory.path_to_node.push((index.to_string(), "index".to_string()));
+                        memory.path_to_node.push(("init".to_string(), "".to_string()));
                         let var_name = declaration.id.name.to_string();
                         let source_range: SourceRange = declaration.init.clone().into();
-                        let metadata = Metadata { source_range };
+                        let metadata = Metadata { source_range, path_to_node: Some(memory.path_to_node.clone())};
 
                         let memory_item = self
                             .arg_into_mem_item(
@@ -1602,7 +1643,10 @@ impl ExecutorContext {
                             )
                             .await?;
                         memory.add(&var_name, memory_item, source_range)?;
+                        // _memory.path_to_node.pop();
+                        // _memory.path_to_node.pop();
                     }
+                    // _memory.path_to_node.pop();
                 }
                 BodyItem::ReturnStatement(return_statement) => match &return_statement.argument {
                     Value::BinaryExpression(bin_expr) => {
@@ -1650,6 +1694,7 @@ impl ExecutorContext {
                     }
                 },
             }
+            // memory.path_to_node.pop();
         }
 
         if BodyType::Root == body_type {
@@ -1660,6 +1705,7 @@ impl ExecutorContext {
                     // and chamfers where the engine would otherwise eat the ID of the segments.
                     true,
                     SourceRange([program.end, program.end]),
+                    memory.path_to_node.clone(),
                 )
                 .await?;
         }
@@ -1753,6 +1799,7 @@ impl ExecutorContext {
             .send_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 crate::executor::SourceRange::default(),
+                crate::executor::PathToNode::default(),
                 kittycad::types::ModelingCmd::ZoomToFit {
                     object_ids: Default::default(),
                     padding: 0.1,
@@ -1766,6 +1813,7 @@ impl ExecutorContext {
             .send_modeling_cmd(
                 uuid::Uuid::new_v4(),
                 crate::executor::SourceRange::default(),
+                crate::executor::PathToNode::default(),
                 kittycad::types::ModelingCmd::TakeSnapshot {
                     format: kittycad::types::ImageFormat::Png,
                 },
@@ -1861,6 +1909,7 @@ mod tests {
             stdlib: Arc::new(crate::std::StdLib::new()),
             settings: Default::default(),
             is_mock: true,
+            // path_to_node: Vec::new(),
         };
         let memory = ctx.run(&program, None).await?;
 

src/wasm-lib/kcl/src/lsp/kcl/mod.rs

@@ -41,7 +41,7 @@ use tower_lsp::{
 
 use crate::{
     ast::types::{Value, VariableKind},
-    executor::SourceRange,
+    executor::{PathToNode, SourceRange},
     lint::checks,
     lsp::{backend::Backend as _, util::IntoDiagnostic},
     parser::PIPE_OPERATOR,
@@ -589,7 +589,7 @@ impl Backend {
         }
 
         // Clear the scene, before we execute so it's not fugly as shit.
-        executor_ctx.engine.clear_scene(SourceRange::default()).await?;
+        executor_ctx.engine.clear_scene(SourceRange::default(), PathToNode::default()).await?;
 
         let memory = match executor_ctx.run(ast, None).await {
             Ok(memory) => memory,

src/wasm-lib/kcl/src/std/fillet.rs

@@ -9,7 +9,7 @@ use uuid::Uuid;
 
 use crate::{
     errors::{KclError, KclErrorDetails},
-    executor::{ExtrudeGroup, FilletOrChamfer, MemoryItem, TagIdentifier, UserVal},
+    executor::{ExtrudeGroup, FilletOrChamfer, MemoryItem, TagIdentifier, UserVal, Metadata},
     std::Args,
 };
 
@@ -148,7 +148,7 @@ pub async fn get_opposite_edge(args: Args) -> Result<MemoryItem, KclError> {
                 source_ranges: vec![args.source_range],
             })
         })?,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
     }))
 }
 
@@ -238,7 +238,7 @@ pub async fn get_next_adjacent_edge(args: Args) -> Result<MemoryItem, KclError>
                 source_ranges: vec![args.source_range],
             })
         })?,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
     }))
 }
 
@@ -333,7 +333,7 @@ pub async fn get_previous_adjacent_edge(args: Args) -> Result<MemoryItem, KclErr
                 source_ranges: vec![args.source_range],
             })
         })?,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
     }))
 }
 

src/wasm-lib/kcl/src/std/import.rs

@@ -9,7 +9,7 @@ use schemars::JsonSchema;
 
 use crate::{
     errors::{KclError, KclErrorDetails},
-    executor::{ImportedGeometry, MemoryItem},
+    executor::{ImportedGeometry, MemoryItem, Metadata},
     fs::FileSystem,
     std::Args,
 };
@@ -272,7 +272,7 @@ async fn inner_import(
         return Ok(ImportedGeometry {
             id: uuid::Uuid::new_v4(),
             value: import_files.iter().map(|f| f.path.to_string()).collect(),
-            meta: vec![args.source_range.into()],
+            meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
         });
     }
 
@@ -300,7 +300,7 @@ async fn inner_import(
     Ok(ImportedGeometry {
         id: imported_files.object_id,
         value: import_files.iter().map(|f| f.path.to_string()).collect(),
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
     })
 }
 

src/wasm-lib/kcl/src/std/mod.rs

@@ -33,7 +33,7 @@ use crate::{
     errors::{KclError, KclErrorDetails},
     executor::{
         ExecutorContext, ExtrudeGroup, ExtrudeGroupSet, ExtrudeSurface, MemoryItem, Metadata, ProgramMemory,
-        SketchGroup, SketchGroupSet, SketchSurface, SourceRange, TagIdentifier,
+        SketchGroup, SketchGroupSet, SketchSurface, SourceRange, PathToNode, TagIdentifier,
     },
     std::{kcl_stdlib::KclStdLibFn, sketch::FaceTag},
 };
@@ -209,6 +209,7 @@ pub enum FunctionKind {
 pub struct Args {
     pub args: Vec<MemoryItem>,
     pub source_range: SourceRange,
+    pub path_to_node: PathToNode,
     pub ctx: ExecutorContext,
     pub current_program_memory: ProgramMemory,
 }
@@ -217,12 +218,15 @@ impl Args {
     pub fn new(
         args: Vec<MemoryItem>,
         source_range: SourceRange,
+        // path_to_node: PathToNode,
         ctx: ExecutorContext,
         current_program_memory: ProgramMemory,
     ) -> Self {
         Self {
             args,
             source_range,
+            path_to_node: current_program_memory.path_to_node.clone(),
+            // path_to_node,
             ctx,
             current_program_memory,
         }
@@ -234,7 +238,7 @@ impl Args {
         id: uuid::Uuid,
         cmd: kittycad::types::ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
-        self.ctx.engine.batch_modeling_cmd(id, self.source_range, &cmd).await
+        self.ctx.engine.batch_modeling_cmd(id, self.source_range, self.path_to_node.clone(), &cmd).await
     }
 
     // Add a modeling command to the batch that gets executed at the end of the file.
@@ -245,7 +249,7 @@ impl Args {
         id: uuid::Uuid,
         cmd: kittycad::types::ModelingCmd,
     ) -> Result<(), crate::errors::KclError> {
-        self.ctx.engine.batch_end_cmd(id, self.source_range, &cmd).await
+        self.ctx.engine.batch_end_cmd(id, self.source_range, self.path_to_node.clone(), &cmd).await
     }
 
     /// Send the modeling cmd and wait for the response.
@@ -254,7 +258,7 @@ impl Args {
         id: uuid::Uuid,
         cmd: kittycad::types::ModelingCmd,
     ) -> Result<OkWebSocketResponseData, KclError> {
-        self.ctx.engine.send_modeling_cmd(id, self.source_range, cmd).await
+        self.ctx.engine.send_modeling_cmd(id, self.source_range, self.path_to_node.clone(), cmd).await
     }
 
     /// Flush just the fillets and chamfers for this specific ExtrudeGroupSet.
@@ -303,7 +307,7 @@ impl Args {
 
         // Run flush.
         // Yes, we do need to actually flush the batch here, or references will fail later.
-        self.ctx.engine.flush_batch(false, SourceRange::default()).await?;
+        self.ctx.engine.flush_batch(false, SourceRange::default(), self.path_to_node.clone()).await?;
 
         Ok(())
     }
@@ -313,6 +317,8 @@ impl Args {
             value: j,
             meta: vec![Metadata {
                 source_range: self.source_range,
+                // path_to_node: self.path_to_node.clone(),
+                path_to_node: None,
             }],
         }))
     }

src/wasm-lib/kcl/src/std/patterns.rs

@@ -10,7 +10,7 @@ use crate::{
     errors::{KclError, KclErrorDetails},
     executor::{
         ExtrudeGroup, ExtrudeGroupSet, Geometries, Geometry, MemoryItem, Point3d, ProgramReturn, SketchGroup,
-        SketchGroupSet, SourceRange, UserVal,
+        SketchGroupSet, SourceRange, UserVal, Metadata,
     },
     function_param::FunctionParam,
     std::{types::Uint, Args},
@@ -85,7 +85,7 @@ pub async fn pattern_transform(args: Args) -> Result<MemoryItem, KclError> {
         FunctionParam {
             inner: transform.func,
             fn_expr: transform.expr,
-            meta: vec![args.source_range.into()],
+            meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone())))],
             ctx: args.ctx.clone(),
             memory: args.current_program_memory.clone(),
         },
@@ -204,7 +204,7 @@ async fn make_transform<'a>(
     // Call the transform fn for this repetition.
     let repetition_num = MemoryItem::UserVal(UserVal {
         value: serde_json::Value::Number(i.into()),
-        meta: vec![source_range.into()],
+        meta: vec![Metadata::from((source_range, None))],
     });
     let transform_fn_args = vec![repetition_num];
     let transform_fn_return = transform_function.call(transform_fn_args).await?;

src/wasm-lib/kcl/src/std/revolve.rs

@@ -9,7 +9,7 @@ use uuid::Uuid;
 
 use crate::{
     errors::{KclError, KclErrorDetails},
-    executor::{ExtrudeGroup, MemoryItem, SketchGroup, TagIdentifier, UserVal},
+    executor::{ExtrudeGroup, MemoryItem, SketchGroup, TagIdentifier, UserVal, Metadata},
     std::{
         extrude::do_post_extrude,
         fillet::{EdgeReference, DEFAULT_TOLERANCE},
@@ -300,7 +300,7 @@ pub async fn get_edge(args: Args) -> Result<MemoryItem, KclError> {
                 source_ranges: vec![args.source_range],
             })
         })?,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone()))),],
     }))
 }
 

src/wasm-lib/kcl/src/std/sketch.rs

@@ -14,7 +14,7 @@ use crate::{
     errors::{KclError, KclErrorDetails},
     executor::{
         BasePath, ExtrudeGroup, Face, GeoMeta, MemoryItem, Path, Plane, PlaneType, Point2d, Point3d, SketchGroup,
-        SketchGroupSet, SketchSurface, SourceRange, TagIdentifier, UserVal,
+        SketchGroupSet, SketchSurface, SourceRange, TagIdentifier, UserVal, Metadata
     },
     std::{
         utils::{
@@ -141,7 +141,7 @@ async fn inner_line_to(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };
@@ -309,7 +309,7 @@ async fn inner_line(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };
@@ -493,7 +493,7 @@ async fn inner_angled_line(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };
@@ -1076,7 +1076,7 @@ async fn start_sketch_on_face(
         y_axis: extrude_group.sketch_group.on.y_axis(),
         z_axis: extrude_group.sketch_group.on.z_axis(),
         extrude_group,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone()))),],
     }))
 }
 
@@ -1084,7 +1084,7 @@ async fn start_sketch_on_plane(data: PlaneData, args: Args) -> Result<Box<Plane>
     let mut plane: Plane = data.clone().into();
 
     // Get the default planes.
-    let default_planes = args.ctx.engine.default_planes(args.source_range).await?;
+    let default_planes = args.ctx.engine.default_planes(args.source_range, args.path_to_node.clone()).await?;
 
     plane.id = match data {
         PlaneData::XY => default_planes.xy,
@@ -1223,7 +1223,7 @@ pub(crate) async fn inner_start_profile_at(
         tag: tag.clone(),
         geo_meta: GeoMeta {
             id,
-            metadata: args.source_range.into(),
+            metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
         },
     };
 
@@ -1232,7 +1232,7 @@ pub(crate) async fn inner_start_profile_at(
         on: sketch_surface.clone(),
         value: vec![],
         start: current_path,
-        meta: vec![args.source_range.into()],
+        meta: vec![Metadata::from((args.source_range, Some(args.path_to_node.clone()))),],
         tags: if let Some(tag) = &tag {
             HashMap::from([(tag.name.to_string(), tag.into())])
         } else {
@@ -1382,7 +1382,7 @@ pub(crate) async fn inner_close(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     });
@@ -1495,7 +1495,7 @@ pub(crate) async fn inner_arc(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };
@@ -1605,7 +1605,7 @@ async fn inner_tangential_arc(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };
@@ -1713,7 +1713,7 @@ async fn inner_tangential_arc_to(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
         center: result.center,
@@ -1818,7 +1818,7 @@ async fn inner_bezier_curve(
             tag,
             geo_meta: GeoMeta {
                 id,
-                metadata: args.source_range.into(),
+                metadata: Metadata::from((args.source_range, Some(args.path_to_node.clone()))),
             },
         },
     };

src/wasm-lib/src/wasm.rs

@@ -85,7 +85,7 @@ pub async fn make_default_planes(
         .await
         .map_err(|e| format!("{:?}", e))?;
     let default_planes = engine
-        .new_default_planes(Default::default())
+        .new_default_planes(Default::default(), Default::default())
         .await
         .map_err(String::from)?;