Version v2021.5.1 Semantic Textmate Scope is incorrect for negative numeric literals, when used as a parameter
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- powershell
- Domain
- tooling
Research direction
Start by reproducing the issue with the PowerShell code in the report, focusing on negative numeric literals passed as parameters. Compare the TextMate scopes for negative and positive values, and verify that the affected parameter cases receive matching scopes without changing the reported non-parameter behavior.
Written by the indexing model from the issue text.
Description
"editor.semanticHighlighting.enabled": true is on
System Details
System Details (Click to Expand)
System Details Output
### VSCode version: 1.56.2 054a9295330880ed74ceaedda236253b4f39a335 x64
### VSCode extensions:
adrieankhisbe.vscode-ndjson@0.100.0
ahebrank.yaml2json@0.0.3
alefragnani.Bookmarks@13.0.4
arcticicestudio.nord-visual-studio-code@0.15.1
bierner.docs-view@0.0.9
bungcip.better-toml@0.3.2
christian-kohler.path-intellisense@2.3.0
CoenraadS.bracket-pair-colorizer@1.0.61
CoenraadS.bracket-pair-colorizer-2@0.2.0
darkriszty.markdown-table-prettify@3.4.0
DavidAnson.vscode-markdownlint@0.41.1
donjayamanne.githistory@0.6.16
DotJoshJohnson.xml@2.5.1
eamodio.gitlens@11.4.1
eamodio.tsl-problem-matcher@0.4.0
Equinusocio.vsc-community-material-theme@1.4.2
Equinusocio.vsc-material-theme@33.2.0
equinusocio.vsc-material-theme-icons@1.2.2
esbenp.prettier-vscode@6.4.0
evan-buss.font-switcher@4.0.1
firefox-devtools.vscode-firefox-debug@2.9.4
formulahendry.code-runner@0.11.4
GitHub.github-vscode-theme@4.1.1
GitHub.vscode-pull-request-github@0.26.0
hbenl.vscode-test-explorer@2.20.2
icsharpcode.ilspy-vscode@0.10.0
juanmnl.vscode-theme-hydra@3.2.0
littlefoxteam.vscode-python-test-adapter@0.6.8
LouisWT.regexp-preview@0.1.5
matangover.mypy@0.2.0
mechatroner.rainbow-csv@1.8.1
medo64.code-point@1.7.5
ms-azure-devops.azure-pipelines@1.183.0
ms-dotnettools.csharp@1.23.12
ms-dotnettools.dotnet-interactive-vscode@1.0.2256020
ms-dotnettools.vscode-dotnet-runtime@1.1.0
ms-dotnettools.vscode-dotnet-sdk@0.5.0
ms-mssql.mssql@1.10.1
ms-python.python@2021.6.908196464-dev
ms-python.vscode-pylance@2021.6.1-pre.1
ms-toolsai.jupyter@2021.6.832593372
ms-vscode-remote.remote-wsl@0.56.4
ms-vscode.azure-account@0.9.8
ms-vscode.cpptools@1.4.0
ms-vscode.powershell@2021.5.1
ms-vscode.powershell-preview@2020.7.0
ms-vscode.test-adapter-converter@0.0.9
ms-vscode.vscode-typescript-tslint-plugin@1.3.3
msjsdiag.debugger-for-chrome@4.12.12
octref.vscode-json-transform@0.1.2
PKief.material-icon-theme@4.7.0
PowerQuery.vscode-powerquery@0.1.19
RandomFractalsInc.snippets-viewer@1.9.0
RandomFractalsInc.vscode-data-preview@2.3.0
redhat.vscode-commons@0.0.6
redhat.vscode-xml@0.16.1
redhat.vscode-yaml@0.19.2
RobbOwen.synthwave-vscode@0.1.8
rogalmic.bash-debug@0.3.9
rust-lang.rust@0.7.8
sallar.vscode-duotone-dark@0.3.3
samuelcolvin.jinjahtml@0.16.0
shakram02.bash-beautify@0.1.1
shd101wyy.markdown-preview-enhanced@0.5.18
stansw.vscode-odata@0.1.0
stuart.unique-window-colors@1.0.51
svipas.control-snippets@1.9.1
TylerLeonhardt.vscode-inline-values-powershell@0.0.5
TylerLeonhardt.vscode-pester-test-adapter@0.0.23
vadimcn.vscode-lldb@1.6.4
VisualStudioExptTeam.vscodeintellicode@1.2.14
vscode-icons-team.vscode-icons@11.4.0
webfreak.debug@0.25.0
wwm.better-align@1.1.6
yzhang.markdown-all-in-one@3.4.0
zhuangtongfa.material-theme@3.10.14
### PSES version: 2.3.0.0
### PowerShell version:
Name Value
---- -----
PSVersion 7.1.2
PSEdition Core
GitCommitId 7.1.2
OS Microsoft Windows 10.0.19041
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0
Issue Description
The Textmate scopes or token is wrong on negative numeric literals

Working behavior
Non-parameters, and positive numbers are okay

Expected Behaviour
To share similar tokens/scopes
To reproduce
It seems to occur when:
- it's a negative numeric literal (int, or decimal)
- it's a parameter
- the parameter type doesn't matter
Code used:
function DoNothing {
param(
[Parameter(Mandatory, Position = 0)]
[int]$Number
)
}
function DoMoreNothing {
param(
[Parameter(Mandatory, Position = 0)]
[string]$Text
)
}
$x = 6 ; $x
$x = -6
DoNothing -6
DoNothing 6
DoNothing -Number 6
DoNothing -Number -6
DoMoreNothing -Text 6
DoMoreNothing -Text -6
Actual Behavior

- Dominant language
- PowerShell
- Stars
- 151
- Forks
- 55
- PR merge metrics
- No merged PRs in 30d
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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