Phoityne VSCode

Phoityne is a ghci debug viewer for Visual Studio Code.

Information

• [2017/09/10] phoityne-vscode released.
  • Marketplace phoityne-vscode-0.0.14
  • hackage phoityne-vscode-0.0.16.0
    Need update from hackage !!.
• Release Summary
  • [ADD] supported ghc-8.2.0.

(This sample project is available from here.)

Important

• LIMITATION: Breakpoint can be set in a .hs file which defineds "module ... where".
  Phoityne can handle modules which match its folder hierarchy and file name.
• LIMITATION: Source file extension must be ".hs"
• LIMITATION: Can not use STDIN handle while debugging.
• LIMITATION: Changing ghci prompt is not allowed in the .ghci file.
• When you start debugging for the first time, .vscode/tasks.json will be created automatically. Then you can use F6, F7, F8 shortcut key.
  • F5 : start debug
  • F6 : show command menu (for stack watch)
  • Shift + F6 : stop stack watch
  • F7 : stack clean & build
  • F8 : stack test
  • F9 : put bp on current line
  • Shift + F9 : put bp on current column
• While debugging, you can use F5, F9, F10, F11 shortcut key.
  • F5 : jump to next bp
  • F9 : put bp on the line
  • Shift + F9 : put bp on the column
  • F10 : step next
  • F11 : step into

Install

Run stack install

% stack install phoityne-vscode
  . . . . .
%

Add 'phoityne-vscode.exe' to PATH environment.

% where $path:phoityne-vscode.exe
C:\Users\[user name]\AppData\Roaming\local\bin\phoityne-vscode.exe

% phoityne-vscode --version
phoityne-vscode-0.0.15.0
%
% code

Install vscode extensions

1. run VSCode and open stack project Folder from file menu.
2. open Extensions from side menu of VSCode.
3. search "haskell"
4. select "Haskell GHCi debug viewer Phoityne"

Features

Run to Cursor

Bindings & Watch

The variable added to watch will be forced.

Stack trace

Break condition

Hit count break condition

Supports these operators.

• ==
• /=
• <, >
• <=, >=
• mod, %
• just digit is same with '>='

Break on Exception

Repl & Completions

Capabilites

• supportsConfigurationDoneRequest : yes
• supportsFunctionBreakpoints : yes
• supportsConditionalBreakpoints : yes
• supportsHitConditionalBreakpoints : yes
• supportsEvaluateForHovers : yes
• exceptionBreakpointFilters : yes
• supportsStepBack : no
• supportsSetVariable : no
• supportsRestartFrame : no
• supportsGotoTargetsRequest : no
• supportsStepInTargetsRequest : no
• supportsCompletionsRequest : yes
• supportsModulesRequest : no
• additionalModuleColumns : no
• supportedChecksumAlgorithms : no
• supportsRestartRequest : no
• supportsExceptionOptions : no
• supportsValueFormattingOptions : no
• supportsExceptionInfoRequest : no
• supportTerminateDebuggee : no
• supportsDelayedStackTraceLoading : no

Configuration

.vscode/launch.json

.vscode/tasks.json