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Go​Guru

by alvarolm ST3

GoGuru is a Golang plugin for SublimeText 3 that integrates the Go guru tool.

Labels go, guru

Details

Installs

  • Total 3K
  • Win 790
  • OS X 1K
  • Linux 872
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Windows 2 1 3 2 2 1 0 1 1 0 2 3 1 2 0 1 0 3 3 1 1 1 0 0 0 0 0 0 1 1 1 0 1 2 1 1 1 1 2 1 5 0 3 0 0 1
OS X 1 2 2 0 1 1 0 0 0 0 1 0 3 3 3 1 1 4 4 1 3 4 2 0 0 3 1 2 4 3 5 9 4 0 2 1 0 1 1 1 1 1 0 0 0 6
Linux 0 1 1 0 0 0 1 5 2 2 0 1 1 0 2 0 0 1 2 1 1 1 0 1 1 2 1 0 0 0 2 0 0 2 0 0 1 0 1 0 1 1 0 0 1 4

Readme

Source
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GoGuru documentation

GoGuru is a Golang plugin for SublimeText 3 that integrates the Go guru tool.

Please report any issues or improvements here https://github.com/alvarolm/GoGuru/issues

based on previous work from waigani.

the guru tool still is on development, check out the plan, the official git repo and the code review if you want to keep up: * https://docs.google.com/document/d/1UErU12vR7jTedYvKHVNRzGPmXqdMASZ6PfE7B-p6sIg/edit# * https://go.googlesource.com/tools/+log/master/cmd/guru * https://go-review.googlesource.com/#/q/guru

Usage

Select, or place your cursor over, a symbol (function, variable, constant etc) and press ctrl+shift+g. You will be presented with the following modes of analysis to choose from:

callees          show possible targets of selected function call
    callers          show possible callers of selected function
    callstack     show path from callgraph root to selected function
    definition    show declaration of selected identifier
    describe      describe selected syntax: definition, methods, etc
    freevars      show free variables of selection
    implements    show 'implements' relation for selected type or method
    peers         show send/receive corresponding to selected channel op
    pointsto    show variables the selected pointer may point to
    referrers     show all refs to entity denoted by selected identifier
    what        show basic information about the selected syntax node
    whicherrs    show possible values of the selected error variable

Select one of the modes and the output will be displayed in a new tab. double click on the file name in the results to jump directly to it.

You also can hold the ctrl key and right-click on a symbol to jump right to the definition.

Install

Install Sublime Package Control (if you haven't done so already) from http://wbond.net/sublime_packages/package_control. Be sure to restart ST to complete the installation.

Bring up the command palette (default ctrl+shift+p or cmd+shift+p) and start typing Package Control: Install Package then press return or click on that option to activate it. You will be presented with a new Quick Panel with the list of available packages. Type GoGuru and press return or on its entry to install GoGuru. If there is no entry for GoGuru, you most likely already have it installed.

GoGuru has several variables to be set in order to work. These are explained in the comments of the default settings Preferences > Package Settings > GoGuru > Settings-Default:

{
    // use golangconfig, if false then shellenv will be used to get golang environment variables
    "goguru_use_golangconfig": false,

    // adds to the guru_scope the current package of the the working file
    "goguru_use_current_package" : true,

    // besides showing the result, jump directly to the definition
    "goguru_jumpto_definition": false,

    // The output can either be one of: 'buffer', 'output_panel'
    // Buffers can hold results from more than one invocation
    // Output panels sit underneath the editor area and are easily dismissed
    "goguru_output": "output_panel",

    // print debug info to the terminal
    "goguru_debug": false,

    // Set guru's output to json
    "goguru_json": false,

    // an array of scopes of analysis for guru.
    // e.g (for github.com/juju/juju) "guru_scope": ["github.com/juju/juju/cmd/juju", "github.com/juju/juju/cmd/jujud"]
    "goguru_scope": [],

    // an array of build tags of analyzed source files
    "goguru_tags": [],

    // env overwrites the default shell environment vars
    // e.g "env": { "GOPATH": "$HOME/go/bin:$PATH" }
    // not used when goguru_use_golangconfig is set to true
    "goguru_env": {},
}

You set your own variables in Preferences > Package Settings > GoGuru > Settings-User.

You can also make project specific settings. First save your current workspace as a project Project > Save as project ..., then edit your project Project > Edit Project. Below is an example which sets up GoGuru to be used on the github.com/juju/juju codebase:

{
    "folders":
    [
        {
            "follow_symlinks": true,
            "path": "/home/user/go/src/github.com/juju/juju"
        }
    ],
    "settings":
    {
        "GoGuru": {
            "goguru_scope": ["github.com/juju/juju/cmd/juju", "github.com/juju/juju/cmd/jujud"],
            "goguru_output": "output_panel"
        }
    },
}

Default key binding:

[
    { "keys": ["ctrl+shift+g"], "command": "go_guru"},
    { "keys": ["ctrl+alt+shift+g"], "command": "go_guru_show_results"},
    { "keys": ["ctrl+.+ctrl+g"], "command": "go_guru_goto_definition", "context": [{ "key": "selector", "operator": "equal", "operand": "source.go" }] },
]

You can set your own key binding by copying the above into Preferences > Keybindings - User and replacing ctrl+shift+g with your preferred key(s).

You can also set a key binding for a specific mode by adding a “mode” arg, e.g.:

...
    { "keys": ["ctrl+super+c"], "command": "go_guru", "args": {"mode": "callers"} },
    { "keys": ["ctrl+super+i"], "command": "go_guru", "args": {"mode": "implements"} },
    { "keys": ["ctrl+super+r"], "command": "go_guru", "args": {"mode": "referrers"} },
    { "keys": ["ctrl+.+ctrl+g"], "command": "go_guru", "args": {"mode": "definition", output=false}},
    ...

Default mouse bindings:

[
    {
        "button": "button2",
        "modifiers": ["ctrl"],
        "press_command": "drag_select",
        "command": "go_guru",
        "args": {
            "mode": "definition",
            "output": false
        },
    },
]

Dependencies

GoGuru relies on the guru tool. You must install it in order for GoGuru to work. Run the following on your command line:

go get -u golang.org/x/tools/cmd/guru

About Go Guru

Copyright, License & Contributors

GoGuru is released under the MIT license. See LICENSE.md

GoGuru is the copyrighted work of The GoGuru Authors i.e me (alvarolm) and all contributors. If you submit a change, be it documentation or code, so long as it's committed to GoGuru's history I consider you a contributor. See AUTHORS.md for a list of all the GoGuru authors/contributors.