Trying to add units parsing, but getting shift/reduce conflict

* Remove tan warning from ml commands, move to experimental green branding

* Oops

* Removed unused var

---------

Co-authored-by: Frank Noirot <frankjohnson1993@gmail.com>

docs/kcl-std/std.json

@@ -256720,7 +256720,7 @@
         false
       ],
       [
-        "// Create a spring by sweeping around a helix path.\n\n// Create a helix around the Z axis.\nhelixPath = helix(\n  angleStart = 0,\n  ccw = true,\n  revolutions = 4,\n  length = 10,\n  radius = 5,\n  axis = Z,\n)\n\n// Create a spring by sweeping around the helix path.\nspringSketch = startSketchOn(YZ)\n  |> circle(center = [0, 0], radius = 1)\n  |> sweep(path = helixPath, relativeTo = \"sketchPlane\")",
+        "// Create a spring by sweeping around a helix path.\n\n// Create a helix around the Z axis.\nhelixPath = helix(\n  angleStart = 0,\n  ccw = true,\n  revolutions = 4,\n  length = 10,\n  radius = 5,\n  axis = Z,\n)\n\n// Create a spring by sweeping around the helix path.\nspringSketch = startSketchOn(XZ)\n  |> circle(center = [5, 0], radius = 1)\n  |> sweep(path = helixPath)",
         false
       ],
       [

e2e/playwright/onboarding-tests.spec.ts

@@ -6,7 +6,6 @@ test.describe('Onboarding tests', () => {
     homePage,
     toolbar,
     editor,
-    scene,
     tronApp,
   }) => {
     if (!tronApp) {
@@ -62,7 +61,6 @@ test.describe('Onboarding tests', () => {
       await editor.expectEditor.toContain('@settings(defaultLengthUnit = in)', {
         shouldNormalise: true,
       })
-      await scene.connectionEstablished()
     })
 
     await test.step('Go home and verify we still see the tutorial button, then begin it.', async () => {
@@ -132,9 +130,7 @@ test.describe('Onboarding tests', () => {
       })
 
       await test.step('Dismiss the onboarding', async () => {
-        await postDismissToast.waitFor({ state: 'hidden' })
         await page.keyboard.press('Escape')
-        await expect(postDismissToast).toBeVisible()
         await expect(page.getByTestId('onboarding-content')).not.toBeVisible()
         await expect.poll(() => page.url()).not.toContain('/onboarding')
       })
@@ -162,13 +158,10 @@ test.describe('Onboarding tests', () => {
       await test.step('Gets to the onboarding start', async () => {
         await expect(toolbar.projectName).toContainText('tutorial-project')
         await expect(tutorialWelcomeHeading).toBeVisible()
-        await scene.connectionEstablished()
       })
 
       await test.step('Dismiss the onboarding', async () => {
-        await postDismissToast.waitFor({ state: 'hidden' })
         await page.keyboard.press('Escape')
-        await expect(postDismissToast).toBeVisible()
         await expect(page.getByTestId('onboarding-content')).not.toBeVisible()
         await expect.poll(() => page.url()).not.toContain('/onboarding')
       })

packages/codemirror-lang-kcl/src/kcl.grammar

@@ -1,19 +1,22 @@
 @precedence {
   annotation
+  typeCall
   member
   call
   exp @left
   mult @left
   add @left
+  ascription @left
   comp @left
   logic @left
   pipe @left
   range
+  statement
 }
 
 @top Program {
   Shebang?
-  statement*
+  (statement !statement statement*)?
 }
 
 statement[@isGroup=Statement] {
@@ -52,12 +55,15 @@ expression[@isGroup=Expression] {
   UnaryExpression { UnaryOp expression } |
   ParenthesizedExpression { "(" expression ")" } |
   IfExpression { kw<"if"> expression Body kw<"else"> Body } |
-  CallExpression { expression !call ArgumentList } |
+  // We don't currently support arbitrary expressions as the callee part of a
+  // function call.
+  CallExpression { identifier !call ArgumentList } |
   ArrayExpression { "[" commaSep<expression | IntegerRange { expression !range ".." expression }> "]" } |
   ObjectExpression { "{" commaSep<ObjectProperty> "}" } |
   MemberExpression { expression !member "." PropertyName } |
   SubscriptExpression { expression !member "[" expression "]" } |
-  PipeExpression { expression (!pipe PipeOperator expression)+ }
+  PipeExpression { expression (!pipe PipeOperator expression)+ } |
+  AscribedExpression { expression !ascription ":" type }
 }
 
 UnaryOp { AddOp | BangOp }
@@ -75,7 +81,7 @@ LabeledArgument { ArgumentLabel Equals expression }
 ArgumentList { "(" commaSep<LabeledArgument | expression> ")" }
 
 type[@isGroup=Type] {
-  PrimitiveType { identifier } |
+  PrimitiveType { identifier !typeCall ("(" identifier ")")? } |
   ArrayType { "[" type !member (";" Number "+"?)? "]" } |
   ObjectType { "{" commaSep<ObjectProperty { PropertyName ":" type }> "}" }
 }

packages/codemirror-lang-kcl/test/ascription.txt

@@ -0,0 +1,13 @@
+# primitive
+
+true: bool
+
+==>
+Program(ExpressionStatement(AscribedExpression(true, ":", PrimitiveType)))
+
+# numeric units
+
+3.5: number(mm)
+
+==>
+Program(ExpressionStatement(AscribedExpression(3.5, ":", PrimitiveType)))

rust/kcl-lib/src/errors.rs

@@ -129,6 +129,7 @@ impl From<KclErrorWithOutputs> for KclError {
 #[serde(rename_all = "camelCase")]
 pub struct KclErrorWithOutputs {
     pub error: KclError,
+    pub non_fatal: Vec<CompilationError>,
     #[cfg(feature = "artifact-graph")]
     pub operations: Vec<Operation>,
     #[cfg(feature = "artifact-graph")]
@@ -141,8 +142,10 @@ pub struct KclErrorWithOutputs {
 }
 
 impl KclErrorWithOutputs {
+    #[allow(clippy::too_many_arguments)]
     pub fn new(
         error: KclError,
+        non_fatal: Vec<CompilationError>,
         #[cfg(feature = "artifact-graph")] operations: Vec<Operation>,
         #[cfg(feature = "artifact-graph")] artifact_commands: Vec<ArtifactCommand>,
         #[cfg(feature = "artifact-graph")] artifact_graph: ArtifactGraph,
@@ -152,6 +155,7 @@ impl KclErrorWithOutputs {
     ) -> Self {
         Self {
             error,
+            non_fatal,
             #[cfg(feature = "artifact-graph")]
             operations,
             #[cfg(feature = "artifact-graph")]
@@ -166,6 +170,7 @@ impl KclErrorWithOutputs {
     pub fn no_outputs(error: KclError) -> Self {
         Self {
             error,
+            non_fatal: Default::default(),
             #[cfg(feature = "artifact-graph")]
             operations: Default::default(),
             #[cfg(feature = "artifact-graph")]

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

@@ -1467,7 +1467,6 @@ impl Node<CallExpressionKw> {
                     .await
                     .map_err(|e| {
                         // Add the call expression to the source ranges.
-                        // TODO currently ignored by the frontend
                         e.add_source_ranges(vec![callsite])
                     })?;
 

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

@@ -823,6 +823,7 @@ impl ExecutorContext {
 
                 KclErrorWithOutputs::new(
                     err,
+                    exec_state.errors().to_vec(),
                     #[cfg(feature = "artifact-graph")]
                     exec_state.global.operations.clone(),
                     #[cfg(feature = "artifact-graph")]
@@ -999,6 +1000,7 @@ impl ExecutorContext {
 
                         return Err(KclErrorWithOutputs::new(
                             e,
+                            exec_state.errors().to_vec(),
                             #[cfg(feature = "artifact-graph")]
                             exec_state.global.operations.clone(),
                             #[cfg(feature = "artifact-graph")]
@@ -1048,6 +1050,7 @@ impl ExecutorContext {
 
             KclErrorWithOutputs::new(
                 err,
+                exec_state.errors().to_vec(),
                 #[cfg(feature = "artifact-graph")]
                 exec_state.global.operations.clone(),
                 #[cfg(feature = "artifact-graph")]
@@ -1100,6 +1103,7 @@ impl ExecutorContext {
 
             KclErrorWithOutputs::new(
                 e,
+                exec_state.errors().to_vec(),
                 #[cfg(feature = "artifact-graph")]
                 exec_state.global.operations.clone(),
                 #[cfg(feature = "artifact-graph")]

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

@@ -1277,7 +1277,15 @@ impl KclValue {
                     .satisfied(values.len(), allow_shrink)
                     .ok_or(CoercionError::from(self))?;
 
-                assert!(len <= values.len());
+                if len > values.len() {
+                    let message = format!(
+                        "Internal: Expected coerced array length {len} to be less than or equal to original length {}",
+                        values.len()
+                    );
+                    exec_state.err(CompilationError::err(self.into(), message.clone()));
+                    #[cfg(debug_assertions)]
+                    panic!("{message}");
+                }
                 values.truncate(len);
 
                 Ok(KclValue::HomArray {

rust/kcl-lib/src/std/sweep.rs

@@ -110,9 +110,9 @@ pub async fn sweep(exec_state: &mut ExecState, args: Args) -> Result<KclValue, K
 ///
 ///
 /// // Create a spring by sweeping around the helix path.
-/// springSketch = startSketchOn(YZ)
+/// springSketch = startSketchOn(XZ)
-///     |> circle( center = [0, 0], radius = 1)
+///     |> circle( center = [5, 0], radius = 1)
-///     |> sweep(path = helixPath, relativeTo = "sketchPlane")
+///     |> sweep(path = helixPath)
 /// ```
 ///
 /// ```no_run

rust/kcl-lib/std/prelude.kcl

@@ -82,9 +82,9 @@ export END = 'end'
 ///  )
 ///
 /// // Create a spring by sweeping around the helix path.
-/// springSketch = startSketchOn(YZ)
+/// springSketch = startSketchOn(XZ)
-///     |> circle( center = [0, 0], radius = 0.5)
+///     |> circle( center = [5, 0], radius = 0.5)
-///     |> sweep(path = helixPath, relativeTo = sweep::SKETCH_PLANE)
+///     |> sweep(path = helixPath)
 /// ```
 ///
 /// ```
@@ -103,9 +103,9 @@ export END = 'end'
 ///  )
 ///
 /// // Create a spring by sweeping around the helix path.
-/// springSketch = startSketchOn(XY)
+/// springSketch = startSketchOn(XZ)
-///     |> circle( center = [0, 0], radius = 0.5 )
+///     |> circle( center = [5, 0], radius = 0.5 )
-///     |> sweep(path = helixPath, relativeTo = sweep::SKETCH_PLANE)
+///     |> sweep(path = helixPath)
 /// ```
 ///
 /// ```
@@ -123,9 +123,9 @@ export END = 'end'
 ///  )
 ///
 /// // Create a spring by sweeping around the helix path.
-/// springSketch = startSketchOn(XY)
+/// springSketch = startSketchOn(XZ)
-///     |> circle( center = [0, 0], radius = 1 )
+///     |> circle( center = [5, 0], radius = 1 )
-///     |> sweep(path = helixPath, relativeTo = sweep::SKETCH_PLANE)
+///     |> sweep(path = helixPath)
 /// ```
 ///
 /// ```
@@ -408,13 +408,13 @@ export fn offsetPlane(
 ///  )
 ///
 ///
-/// springSketch = startSketchOn(YZ)
+/// springSketch = startSketchOn(XZ)
 ///     |> circle( center = [0, 0], radius = 1)
 ///
 /// // Create a spring by sweeping around the helix path.
 /// sweepedSpring = clone(springSketch)
-///     |> translate(x=100)
+///     |> translate(x=5)
-///     |> sweep(path = helixPath, relativeTo = sweep::SKETCH_PLANE)
+///     |> sweep(path = helixPath)
 /// ```
 ///
 /// ```kcl

src/components/CommandBar/CommandBarHeader.tsx

@@ -83,7 +83,7 @@ function CommandBarHeader({ children }: React.PropsWithChildren<object>) {
           <div className="flex flex-1 flex-wrap gap-2">
             <p
               data-command-name={selectedCommand?.name}
-              className="pr-4 flex gap-2 items-center"
+              className="pr-2 flex gap-2 items-center"
             >
               {selectedCommand &&
                 'icon' in selectedCommand &&
@@ -93,6 +93,13 @@ function CommandBarHeader({ children }: React.PropsWithChildren<object>) {
               <span data-testid="command-name">
                 {selectedCommand.displayName || selectedCommand.name}
               </span>
+              {selectedCommand.status === 'experimental' ? (
+                <span className="text-ml-black text-xs bg-ml-green rounded-full ml-2 px-2 py-1">
+                  experimental
+                </span>
+              ) : (
+                <span className="pr-2" />
+              )}
             </p>
             {Object.entries(nonHiddenArgs || {})
               .filter(([_, argConfig]) =>
@@ -124,7 +131,9 @@ function CommandBarHeader({ children }: React.PropsWithChildren<object>) {
                     key={argName}
                     className={`relative w-fit px-2 py-1 rounded-sm flex gap-2 items-center border ${
                       argName === currentArgument?.name
-                        ? 'disabled:bg-primary/10 dark:disabled:bg-primary/20 disabled:border-primary dark:disabled:border-primary disabled:text-chalkboard-100 dark:disabled:text-chalkboard-10'
+                        ? selectedCommand.status === 'experimental'
+                          ? 'disabled:bg-ml-green/10 dark:disabled:bg-ml-green/20 disabled:border-ml-green dark:disabled:border-ml-green disabled:text-chalkboard-100 dark:disabled:text-chalkboard-10'
+                          : 'disabled:bg-primary/10 dark:disabled:bg-primary/20 disabled:border-primary dark:disabled:border-primary disabled:text-chalkboard-100 dark:disabled:text-chalkboard-10'
                         : 'bg-chalkboard-20/50 dark:bg-chalkboard-80/50 border-chalkboard-20 dark:border-chalkboard-80'
                     }`}
                   >
@@ -196,7 +205,29 @@ function CommandBarHeader({ children }: React.PropsWithChildren<object>) {
                 )
               })}
           </div>
-          {isReviewing ? <ReviewingButton /> : <GatheringArgsButton />}
+          {isReviewing ? (
+            <ReviewingButton
+              bgClassName={
+                selectedCommand.status === 'experimental' ? '!bg-ml-green' : ''
+              }
+              iconClassName={
+                selectedCommand.status === 'experimental'
+                  ? '!text-ml-black'
+                  : ''
+              }
+            />
+          ) : (
+            <GatheringArgsButton
+              bgClassName={
+                selectedCommand.status === 'experimental' ? '!bg-ml-green' : ''
+              }
+              iconClassName={
+                selectedCommand.status === 'experimental'
+                  ? '!text-ml-black'
+                  : ''
+              }
+            />
+          )}
         </div>
         <div className="block w-full my-2 h-[1px] bg-chalkboard-20 dark:bg-chalkboard-80" />
         {children}
@@ -205,7 +236,8 @@ function CommandBarHeader({ children }: React.PropsWithChildren<object>) {
   )
 }
 
-function ReviewingButton() {
+type ButtonProps = { bgClassName?: string; iconClassName?: string }
+function ReviewingButton({ bgClassName, iconClassName }: ButtonProps) {
   return (
     <ActionButton
       Element="button"
@@ -216,8 +248,8 @@ function ReviewingButton() {
       data-testid="command-bar-submit"
       iconStart={{
         icon: 'checkmark',
-        bgClassName: 'p-1 rounded-sm !bg-primary hover:brightness-110',
+        bgClassName: `p-1 rounded-sm !bg-primary hover:brightness-110 ${bgClassName}`,
-        iconClassName: '!text-chalkboard-10',
+        iconClassName: `!text-chalkboard-10 ${iconClassName}`,
       }}
     >
       <span className="sr-only">Submit command</span>
@@ -225,7 +257,7 @@ function ReviewingButton() {
   )
 }
 
-function GatheringArgsButton() {
+function GatheringArgsButton({ bgClassName, iconClassName }: ButtonProps) {
   return (
     <ActionButton
       Element="button"
@@ -235,8 +267,8 @@ function GatheringArgsButton() {
       data-testid="command-bar-continue"
       iconStart={{
         icon: 'arrowRight',
-        bgClassName: 'p-1 rounded-sm !bg-primary hover:brightness-110',
+        bgClassName: `p-1 rounded-sm !bg-primary hover:brightness-110 ${bgClassName}`,
-        iconClassName: '!text-chalkboard-10',
+        iconClassName: `!text-chalkboard-10 ${iconClassName}`,
       }}
     >
       <span className="sr-only">Continue</span>

src/lang/errors.test.ts

@@ -12,6 +12,7 @@ describe('test kclErrToDiagnostic', () => {
         kind: 'semantic',
         msg: 'Semantic error',
         sourceRange: topLevelRange(0, 1),
+        nonFatal: [],
         operations: [],
         artifactCommands: [],
         artifactGraph: defaultArtifactGraph(),
@@ -24,6 +25,7 @@ describe('test kclErrToDiagnostic', () => {
         kind: 'type',
         msg: 'Type error',
         sourceRange: topLevelRange(4, 5),
+        nonFatal: [],
         operations: [],
         artifactCommands: [],
         artifactGraph: defaultArtifactGraph(),

src/lang/errors.ts

@@ -24,6 +24,7 @@ export class KCLError extends Error {
   kind: ExtractKind<RustKclError> | 'name'
   sourceRange: SourceRange
   msg: string
+  nonFatal: CompilationError[]
   operations: Operation[]
   artifactCommands: ArtifactCommand[]
   artifactGraph: ArtifactGraph
@@ -34,6 +35,7 @@ export class KCLError extends Error {
     kind: ExtractKind<RustKclError> | 'name',
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[] = [],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -44,6 +46,7 @@ export class KCLError extends Error {
     this.kind = kind
     this.msg = msg
     this.sourceRange = sourceRange
+    this.nonFatal = nonFatal
     this.operations = operations
     this.artifactCommands = artifactCommands
     this.artifactGraph = artifactGraph
@@ -57,6 +60,7 @@ export class KCLLexicalError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -67,6 +71,7 @@ export class KCLLexicalError extends KCLError {
       'lexical',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -81,6 +86,7 @@ export class KCLInternalError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -91,6 +97,7 @@ export class KCLInternalError extends KCLError {
       'internal',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -105,6 +112,7 @@ export class KCLSyntaxError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -115,6 +123,7 @@ export class KCLSyntaxError extends KCLError {
       'syntax',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -129,6 +138,7 @@ export class KCLSemanticError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -139,6 +149,7 @@ export class KCLSemanticError extends KCLError {
       'semantic',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -153,6 +164,7 @@ export class KCLTypeError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -163,6 +175,7 @@ export class KCLTypeError extends KCLError {
       'type',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -177,6 +190,7 @@ export class KCLIoError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -187,6 +201,7 @@ export class KCLIoError extends KCLError {
       'io',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -201,6 +216,7 @@ export class KCLUnexpectedError extends KCLError {
   constructor(
     msg: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -211,6 +227,7 @@ export class KCLUnexpectedError extends KCLError {
       'unexpected',
       msg,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -225,6 +242,7 @@ export class KCLValueAlreadyDefined extends KCLError {
   constructor(
     key: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -235,6 +253,7 @@ export class KCLValueAlreadyDefined extends KCLError {
       'name',
       `Key ${key} was already defined elsewhere`,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -249,6 +268,7 @@ export class KCLUndefinedValueError extends KCLError {
   constructor(
     key: string,
     sourceRange: SourceRange,
+    nonFatal: CompilationError[],
     operations: Operation[],
     artifactCommands: ArtifactCommand[],
     artifactGraph: ArtifactGraph,
@@ -259,6 +279,7 @@ export class KCLUndefinedValueError extends KCLError {
       'name',
       `Key ${key} has not been defined`,
       sourceRange,
+      nonFatal,
       operations,
       artifactCommands,
       artifactGraph,
@@ -286,6 +307,7 @@ export function lspDiagnosticsToKclErrors(
           [posToOffset(doc, range.start)!, posToOffset(doc, range.end)!, 0],
           [],
           [],
+          [],
           defaultArtifactGraph(),
           {},
           null
@@ -311,9 +333,13 @@ export function lspDiagnosticsToKclErrors(
 export function kclErrorsToDiagnostics(
   errors: KCLError[]
 ): CodeMirrorDiagnostic[] {
-  return errors
+  let nonFatal: CodeMirrorDiagnostic[] = []
+  const errs = errors
     ?.filter((err) => isTopLevelModule(err.sourceRange))
-    .map((err) => {
+    .map((err): CodeMirrorDiagnostic => {
+      if (err.nonFatal.length > 0) {
+        nonFatal = nonFatal.concat(compilationErrorsToDiagnostics(err.nonFatal))
+      }
       return {
         from: err.sourceRange[0],
         to: err.sourceRange[1],
@@ -321,6 +347,7 @@ export function kclErrorsToDiagnostics(
         severity: 'error',
       }
     })
+  return errs.concat(nonFatal)
 }
 
 export function compilationErrorsToDiagnostics(

src/lang/executor.test.ts

@@ -463,6 +463,7 @@ theExtrude = startSketchOn(XY)
         expect.any(Object),
         expect.any(Object),
         expect.any(Object),
+        expect.any(Object),
         null
       )
     )

src/lang/wasm.test.ts

@@ -47,11 +47,11 @@ it('formats numbers with units', () => {
 describe('test errFromErrWithOutputs', () => {
   it('converts KclErrorWithOutputs to KclError', () => {
     const blob =
-      '{"error":{"kind":"internal","sourceRanges":[],"msg":"Cache busted"},"operations":[],"artifactCommands":[],"artifactGraph":{"map":{}},"filenames":{},"sourceFiles":{},"defaultPlanes":null}'
+      '{"error":{"kind":"internal","sourceRanges":[],"msg":"Cache busted"},"nonFatal":[],"operations":[],"artifactCommands":[],"artifactGraph":{"map":{}},"filenames":{},"sourceFiles":{},"defaultPlanes":null}'
     const error = errFromErrWithOutputs(blob)
     const errorStr = JSON.stringify(error)
     expect(errorStr).toEqual(
-      '{"kind":"internal","sourceRange":[0,0,0],"msg":"Cache busted","operations":[],"artifactCommands":[],"artifactGraph":{},"filenames":{},"defaultPlanes":null}'
+      '{"kind":"internal","sourceRange":[0,0,0],"msg":"Cache busted","nonFatal":[],"operations":[],"artifactCommands":[],"artifactGraph":{},"filenames":{},"defaultPlanes":null}'
     )
   })
 })

src/lang/wasm.ts

@@ -69,6 +69,7 @@ import {
   UNLABELED_ARG,
 } from '@src/lang/queryAstConstants'
 import type { NumericType } from '@rust/kcl-lib/bindings/NumericType'
+import { isTopLevelModule } from '@src/lang/util'
 
 export type { ArrayExpression } from '@rust/kcl-lib/bindings/ArrayExpression'
 export type {
@@ -157,10 +158,23 @@ export function defaultSourceRange(): SourceRange {
   return [0, 0, 0]
 }
 
-function firstSourceRange(error: RustKclError): SourceRange {
+function bestSourceRange(error: RustKclError): SourceRange {
-  return error.sourceRanges.length > 0
+  if (error.sourceRanges.length === 0) {
-    ? sourceRangeFromRust(error.sourceRanges[0])
+    return defaultSourceRange()
-    : defaultSourceRange()
+  }
+
+  // When there's an error, the call stack is unwound, and the locations are
+  // built up from deepest location to shallowest. So the shallowest call is
+  // last. That's the most useful to the user.
+  for (let i = error.sourceRanges.length - 1; i >= 0; i--) {
+    const range = error.sourceRanges[i]
+    // Skip ranges pointing into files that aren't the top-level module.
+    if (isTopLevelModule(range)) {
+      return sourceRangeFromRust(range)
+    }
+  }
+  // We didn't find a top-level module range, so just use the last one.
+  return sourceRangeFromRust(error.sourceRanges[error.sourceRanges.length - 1])
 }
 
 const splitErrors = (
@@ -230,7 +244,8 @@ export const parse = (code: string | Error): ParseResult | Error => {
     return new KCLError(
       parsed.kind,
       parsed.msg,
-      firstSourceRange(parsed),
+      bestSourceRange(parsed),
+      [],
       [],
       [],
       defaultArtifactGraph(),
@@ -386,7 +401,8 @@ export const errFromErrWithOutputs = (e: any): KCLError => {
   return new KCLError(
     parsed.error.kind,
     parsed.error.msg,
-    firstSourceRange(parsed.error),
+    bestSourceRange(parsed.error),
+    parsed.nonFatal,
     parsed.operations,
     parsed.artifactCommands,
     rustArtifactGraphToMap(parsed.artifactGraph),

src/lib/commandBarConfigs/applicationCommandConfig.ts

@@ -10,7 +10,7 @@ import {
   kclSamplesManifestWithNoMultipleFiles,
 } from '@src/lib/kclSamples'
 import { getUniqueProjectName } from '@src/lib/desktopFS'
-import { IS_ML_EXPERIMENTAL, ML_EXPERIMENTAL_MESSAGE } from '@src/lib/constants'
+import { IS_ML_EXPERIMENTAL } from '@src/lib/constants'
 import toast from 'react-hot-toast'
 import { reportRejection } from '@src/lib/trap'
 import { relevantFileExtensions } from '@src/lang/wasmUtils'
@@ -168,7 +168,6 @@ export function createApplicationCommands({
       prompt: {
         inputType: 'text',
         required: true,
-        warningMessage: ML_EXPERIMENTAL_MESSAGE,
       },
     },
   }

src/lib/commandBarConfigs/modelingCommandConfig.ts

@@ -22,7 +22,6 @@ import {
   KCL_DEFAULT_DEGREE,
   KCL_DEFAULT_LENGTH,
   KCL_DEFAULT_TRANSFORM,
-  ML_EXPERIMENTAL_MESSAGE,
 } from '@src/lib/constants'
 import type { components } from '@src/lib/machine-api'
 import type { Selections } from '@src/lib/selections'
@@ -964,12 +963,10 @@ export const modelingMachineCommandConfig: StateMachineCommandSetConfig<
           allowCodeSelection: true,
         },
         skip: true,
-        warningMessage: ML_EXPERIMENTAL_MESSAGE,
       },
       prompt: {
         inputType: 'text',
         required: true,
-        warningMessage: ML_EXPERIMENTAL_MESSAGE,
       },
     },
   },