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Eivind Fonn 08561d8631 core: implement :depends for package declarations 
This replaces the older pattern
:toggle (configuration-layer/package-usedp ..)

This implementation ensures that :disabled-for honors dependent packages, i.e.
if package a depends on package b, which is owned by layer c, and layer c is
disabled for layer d, then neither package a nor b will be configured for layer
d. Previously, this was only true for package a, but not b.

This commit also fixes:

- configuration-layer/describe-package now shows which post-init and pre-init
  functions are disabled, if any
- Does not recreate all layer objects unconditionally when calling
  configuration-layer/discover-layers. Previously, this led to all layers being
  recreated after e.g. `SPC h SPC`, without any of the dotfile information.
  Since this information is now necessary for
  configuration-layer/describe-package, it’s important that we don’t clear the
  indexed layers when invoking this function.
2017-06-22 11:53:05 +02:00
..
img layers directory: create new categories 2016-03-23 21:39:43 -04:00
packages.el core: implement :depends for package declarations 2017-06-22 11:53:05 +02:00
README.org format Docs 2017-06-10 13:14:13 +03:00

README.org

Cscope layer

/TakeV/spacemacs/media/commit/e2e532bb49177474c3c297a1ab116dd4c4477b5f/layers/+tags/cscope/img/cscope.jpg

Description

This layer provides bindings for using Cscope and PyCscope in Spacemacs.

Cscope provides indexing and searching capabilities for C and C++ code. PyCscope extends these capabilities for Python code as well. See here for a comparison between Cscope and other similar tools (such as gtags).

Install

Layer

To use this configuration layer, add it to your ~/.spacemacs. You will need to add cscope to the existing dotspacemacs-configuration-layers list in this file.

Cscope

Install Cscope through your package manager, or download it from the website and build it from source.

From package manager (for example, Ubuntu):

sudo apt-get install cscope

From source:

tar xvf cscope-15.8b
cd cscope-15.8b
./configure
make
sudo make install

PyCscope

Install PyCscope through pip:

pip install pycscope

Usage

Before using any helm-cscope commands, remember to create a Cscope index file. Do it by running the command cscope-index-files for C and C++ projects, or the command cscope/run-pycscope for Python projects, bound to SPC m g i.

Key bindings

Key Binding Description
SPC m g = Find assignments to a symbol
SPC m g c find which functions are called by a function
SPC m g C find where a function is called
SPC m g d find global definition of a symbol
SPC m g e search regular expression
SPC m g f find a file
SPC m g F find which files include a file
SPC m g i create Cscope index
SPC m g r find references of a symbol
SPC m g x search text