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KCL: Improve error messages for var referenced in own definition (#7374)

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Jon pointed out that my new error message wasn't showing up in some
cases, and it should store/restore the previous var being defined.
This commit is contained in:
Adam Chalmers
2025-06-04 23:48:15 -05:00
committed by GitHub
parent 33d5a9cdc1
commit 9136fb0d1b
10 changed files with 299 additions and 1 deletions
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32
rust/kcl-lib/tests/var_ref_in_own_def_decl/artifact_commands.snap Normal file
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---
source: kcl-lib/src/simulation_tests.rs
description: Artifact commands var_ref_in_own_def_decl.kcl
---
[
{
"cmdId": "[uuid]",
"range": [],
"command": {
"type": "edge_lines_visible",
"hidden": false
}
},
{
"cmdId": "[uuid]",
"range": [],
"command": {
"type": "object_visible",
"object_id": "[uuid]",
"hidden": true
}
},
{
"cmdId": "[uuid]",
"range": [],
"command": {
"type": "object_visible",
"object_id": "[uuid]",
"hidden": true
}
}
]

6
rust/kcl-lib/tests/var_ref_in_own_def_decl/artifact_graph_flowchart.snap Normal file
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---
source: kcl-lib/src/simulation_tests.rs
description: Artifact graph flowchart var_ref_in_own_def_decl.kcl
extension: md
snapshot_kind: binary
---

3
rust/kcl-lib/tests/var_ref_in_own_def_decl/artifact_graph_flowchart.snap.md Normal file
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```mermaid
flowchart LR
```

189
rust/kcl-lib/tests/var_ref_in_own_def_decl/ast.snap Normal file
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@ -0,0 +1,189 @@
---
source: kcl-lib/src/simulation_tests.rs
description: Result of parsing var_ref_in_own_def_decl.kcl
---
{
"Ok": {
"body": [
{
"commentStart": 0,
"declaration": {
"commentStart": 0,
"end": 0,
"id": {
"commentStart": 0,
"end": 0,
"name": "declare",
"start": 0,
"type": "Identifier"
},
"init": {
"body": {
"body": [
{
"commentStart": 0,
"declaration": {
"commentStart": 0,
"end": 0,
"id": {
"commentStart": 0,
"end": 0,
"name": "x",
"start": 0,
"type": "Identifier"
},
"init": {
"commentStart": 0,
"end": 0,
"raw": "0",
"start": 0,
"type": "Literal",
"type": "Literal",
"value": {
"value": 0.0,
"suffix": "None"
}
},
"start": 0,
"type": "VariableDeclarator"
},
"end": 0,
"kind": "const",
"start": 0,
"type": "VariableDeclaration",
"type": "VariableDeclaration"
},
{
"argument": {
"abs_path": false,
"commentStart": 0,
"end": 0,
"name": {
"commentStart": 0,
"end": 0,
"name": "x",
"start": 0,
"type": "Identifier"
},
"path": [],
"start": 0,
"type": "Name",
"type": "Name"
},
"commentStart": 0,
"end": 0,
"start": 0,
"type": "ReturnStatement",
"type": "ReturnStatement"
}
],
"commentStart": 0,
"end": 0,
"start": 0
},
"commentStart": 0,
"end": 0,
"params": [],
"start": 0,
"type": "FunctionExpression",
"type": "FunctionExpression"
},
"start": 0,
"type": "VariableDeclarator"
},
"end": 0,
"kind": "fn",
"start": 0,
"type": "VariableDeclaration",
"type": "VariableDeclaration"
},
{
"commentStart": 0,
"declaration": {
"commentStart": 0,
"end": 0,
"id": {
"commentStart": 0,
"end": 0,
"name": "x",
"start": 0,
"type": "Identifier"
},
"init": {
"commentStart": 0,
"end": 0,
"left": {
"abs_path": false,
"commentStart": 0,
"end": 0,
"name": {
"commentStart": 0,
"end": 0,
"name": "x",
"start": 0,
"type": "Identifier"
},
"path": [],
"start": 0,
"type": "Name",
"type": "Name"
},
"operator": "+",
"right": {
"callee": {
"abs_path": false,
"commentStart": 0,
"end": 0,
"name": {
"commentStart": 0,
"end": 0,
"name": "declare",
"start": 0,
"type": "Identifier"
},
"path": [],
"start": 0,
"type": "Name"
},
"commentStart": 0,
"end": 0,
"start": 0,
"type": "CallExpressionKw",
"type": "CallExpressionKw",
"unlabeled": null
},
"start": 0,
"type": "BinaryExpression",
"type": "BinaryExpression"
},
"start": 0,
"type": "VariableDeclarator"
},
"end": 0,
"kind": "const",
"start": 0,
"type": "VariableDeclaration",
"type": "VariableDeclaration"
}
],
"commentStart": 0,
"end": 0,
"nonCodeMeta": {
"nonCodeNodes": {
"0": [
{
"commentStart": 0,
"end": 0,
"start": 0,
"type": "NonCodeNode",
"value": {
"type": "newLine"
}
}
]
},
"startNodes": []
},
"start": 0
}
}

14
rust/kcl-lib/tests/var_ref_in_own_def_decl/execution_error.snap Normal file
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---
source: kcl-lib/src/simulation_tests.rs
description: Error from executing var_ref_in_own_def_decl.kcl
---
KCL UndefinedValue error
× undefined value: You can't use `x` because you're currently trying to
│ define it. Use a different variable here instead.
╭─[6:5]
5 │
6 │ x = x + declare()
· ┬
· ╰── tests/var_ref_in_own_def_decl/input.kcl
╰────

6
rust/kcl-lib/tests/var_ref_in_own_def_decl/input.kcl Normal file
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@ -0,0 +1,6 @@
fn declare() {
x = 0
return x
}
x = x + declare()

5
rust/kcl-lib/tests/var_ref_in_own_def_decl/ops.snap Normal file
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@ -0,0 +1,5 @@
---
source: kcl-lib/src/simulation_tests.rs
description: Operations executed var_ref_in_own_def_decl.kcl
---
[]

10
rust/kcl-lib/tests/var_ref_in_own_def_decl/unparsed.snap Normal file
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@ -0,0 +1,10 @@
---
source: kcl-lib/src/simulation_tests.rs
description: Result of unparsing var_ref_in_own_def_decl.kcl
---
fn declare() {
x = 0
return x
}
x = x + declare()