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https://github.com/aarzilli/gdlv

GUI frontend for Delve
https://github.com/aarzilli/gdlv

debugger delve go golang gui

Last synced: 25 days ago
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GUI frontend for Delve

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README 

        
Gdlv is a graphical frontend to [Delve](https://github.com/go-delve/delve) for Linux, Windows and macOS.



[Demo video here](https://aarzilli.github.io/gdlv/doc/screencast.webm).



![Screenshot](https://raw.githubusercontent.com/aarzilli/gdlv/master/doc/screen.png)



![Gdlv on macOS](https://raw.githubusercontent.com/aarzilli/gdlv/master/doc/sierra-screen.png)



# Setup



First install the current version of Delve, following [Delve's install instructions](https://github.com/go-delve/delve/tree/master/Documentation/installation).



Once Delve is installed, clone the repository and use `go install` to install gdlv:



```

$ git clone https://github.com/aarzilli/gdlv

$ cd gdlv

$ go install

```



If you are on Go 1.16 or later you can also use the new global install command, without cloning the repository first:



```

$ go install github.com/aarzilli/gdlv@latest

```



Use Ctrl+plus and Ctrl+minus, or `config zoom 1.5` to change font size. See `help` for a list of available commands.



## Other backends



On Linux and Windows gdlv uses [shiny](https://github.com/golang/exp/tree/master/shiny) to draw its window and receive mouse and keyboard input from the Operating System. On macOS [gio](https://gioui.org/) is used instead. This behavior can be changed using build tags:



```

go install -tags=nucular_gio github.com/aarzilli/gdlv@latest

```



will force gdlv to use nucular_gio everywhere, conversely `-tags=nucular_shiny` will select the shiny backend on macOS. Additionally, on macOS, `-tags=nucular_shiny,metal` can be used to make shiny draw using the metal API.



# News



## 2024-03-04 / Version 1.12

* Function names in the stacktrace window is shortened by default

* Add next-instruction command

* Make the text in the variables window selectable

* Miscellaneous bug fixes



## 2023-09-24 / Version 1.11

* Better display of suspended breakpoints

* Add libraries command

* When printing a channel also print a list of goroutines waiting on it



## 2023-06-13 / Version 1.10

* Better display of long string variables in the variables window

* Added formatting directives to `print` command and variables window (see `help print`)

* Support multi-target debugging where Delve supports it

* Miscellaneous bug fixes



## 2023-01-05 / Version 1.9

* Show an indicator when the current frame changes between continues

* Miscellaneous bug fixes



## 2022-05-13 / Version 1.8

* Extended type shortening rules to support simple generic types

* Miscellaneous bug fixes



## 2021-09-23 / Version 1.7

* Add watchpoint support

* Add `Go doc` menu item, in the variables panel contextual menu, to quickly call `go doc` for a variable's type

* Add hit count conditions for breakpoints

* Add `call` command

* Add goroutines filtering rules



## 2021-04-09 / Version 1.6

* Print goroutine wait wait reason and wait time when available

* Add dump command, creates core dump of the attached process



## 2021-01-10 / Version 1.5

* Better disassembly view

* File descriptor redirects

* Miscellaneous bug fixes



## 2020-04-25 / Version 1.4

* Support reverse step/next/stepout

* Support logical breakpoints

* Fixes copying from scrollback editor

* Fixes listing recentering on current line after a target resume



## 2020-03-27 / Version 1.3

* Show goroutine labels

* Support interrupting a recording



## 2020-01-28 / Version 1.2

* Highlight changed variables in a different color

* Add source code links in scrollback



## 2019-11-22 / Version 1.1

* Added option to filter the goroutines window to only the goroutines matching a specified pattern.

* Added `-r` option to the restart command which will rerecord the target (if it was recorded), also added the `flaky` script which runs the program repeatedly (rerecording it) until it hits any breakpoint.

* Added `-tags` command line option to specify build tags for the target program.



## 2019-10-22 / Version 1.0 tagged



## 2019-06-07

* Added Starlark as a scripting language



## 2019-05-11

* Start from main.main instead of runtime.main.

* Better interface when concurrent breakpoints happen during next, step or stepout.



## 2018-12-14

* Deferred calls view.

* Limit number of goroutines that are loaded (improves performance when debugging programs with tens of thousands of goroutines while the goroutines window is opened).

* Make pastel theme the default theme.

* Fixed bug handling disabled breakpoints.



## 2018-11-23

* Fix build on go1.9

* New, extended, syntax for pinning expressions `dp @f/somefunc/ a` will evaluate `a` in the first frame calling `somefunc`.



## 2018-10-29

* [Pastel theme](https://raw.githubusercontent.com/aarzilli/gdlv/master/doc/screen-pastel.png)



## 2018-09-26

* Breakpoint persistence

* pretty printing of time.Time variables

* Notification for truncated stack traces

* Ability to have an expression's value printed to the command window every time a continue command completes.



## 2018-08-26

* Fixed some race conditions

* Redesigned detail views, they are now updated while stepping through the code



## 2018-08-16

* Highlight variable names

* Expose starting location of goroutines

* Miscellaneous bug fixes



## 2018-07-02

* Support font changes

* Sort variables by declaration line

* Miscellaneous bug fixes



## 2018-06-13

* Print return values when stepping out of a function

* Allow setting breakpoints after the program has exited



## 2018-05-21

* Implemented path substitution rules



## 2018-02-12

* Implemented "Continue to line"

* Let `restart` change program arguments

* Made load parameters configurable



## 2017-12-20

* Support for upcoming go 1.10.

* Changed how split windows are implemented (floating windows with docking).



## 2017-09-17

* "Find Element" command: search through a slice or an array for the element matching a given expression.

* New red theme.

* Only recompile if one of the source files changed.

* `step -last` command option to step into the last call on the line.

* Search command history with Ctrl+R



## 2017-06-29

* Pinning of expressions to specific execution frames.

* Keybindings for continue, next, step and stepout

* Compact visualization for interface values



## 2017-06-04

* Custom formatters for user defined types.

* Better executable building for go1.9



## 2017-05-18

* Better formatting for maps and integer variables.



## 2017-05-07

* Added core command

* Support for multiple backends

* Added "replay" startup command, "checkpoint" command and "Checkpoints" view.



## 2017-03-01

* Horizontal scrollbars for all panels



## 2017-02-09

* Goroutines panel will show a breakpoint icon for goroutines stopped at a breakpoint.



## 2017-02-06

* Implemented selective step into. Right click on a function call on the current line to step into that function call (note: not that function, that *function call*). Also accessible through the `step` command with `step -list`:



![Step Into](https://raw.githubusercontent.com/aarzilli/gdlv/master/doc/stepinto.png)