name-assign
说明： Vim插件，在任何编程语言中自动用分配的变量替换表达式
(Vim plugin to automate replacing expressions with assigned variables in any programming language)
(Vim plugin to automate replacing expressions with assigned variables in any programming language)
文件列表:
autoload/
doc/
plugin/
LICENSE
doc/
plugin/
LICENSE
# name-assign.vim
## Short introduction
This repository provides a Vim plugin to automate replacing expressions with
assigned variables in multiple programming language.
An animated Gif is worth a 1,000 words:
## Description
In many programming languages, a common editing operation is to move subexpressions
out of a nested expression into their own assigned names.
To illustrate, suppose we want to transform the following:
```c
call_func(some_code, some_complex_and_long_expression);
```
Into the following:
```c
let var = some_complex_and_long_expression;
...
call_func(some_code, var);
```
There can be any amount of lines between the top expression and the variable
assignment.
The plugin supports the following languages: Rust, C, C++, Go, VimScript,
JavaScript, TypeScript, Python, LISP, Scheme, Racket, Clojure, Erlang, Elixir, Haskell and
PureScript.
## Usage instructions
First, note that the default kbd combination is Alt - =, and it is bound in visual mode.
Each usage has four steps:
* Mark the expression to replace with a visual selection.
* Hit the key combination, pick the name of the expression.
* Now in 'placement mode', move the assignment expression with Up or Down, or using k or j.
* End placing the assignment with Esc or Return.
### Overriding mappings
The trigger to activate can be set to a different key:
```viml
vmap b NameAssign
```
It is also possible to override mappings done for the placement mode to
different keys, for example:
```viml
let g:name_assign_mode_maps = { "up" : ["n"], "down" : ["N"] }
```
These mappings are temporary and buffer local, so they will not affect any
global mappings for the specified keys.
Here's the full list of actions:
* `up` : For moving the placement up
* `down` : For moving the placement down
* `settle` : For ending placement
## To Do
* Extend support to more languages.
* Allow to customize the content of the `@` register after the operation.
Currently it will contain the entered name.
* Don't liter the undo history too much with the movement, or try to rely on
[vim-schlepp](https://github.com/zirrostig/vim-schlepp) that probably does it
better.
## Description
In many programming languages, a common editing operation is to move subexpressions
out of a nested expression into their own assigned names.
To illustrate, suppose we want to transform the following:
```c
call_func(some_code, some_complex_and_long_expression);
```
Into the following:
```c
let var = some_complex_and_long_expression;
...
call_func(some_code, var);
```
There can be any amount of lines between the top expression and the variable
assignment.
The plugin supports the following languages: Rust, C, C++, Go, VimScript,
JavaScript, TypeScript, Python, LISP, Scheme, Racket, Clojure, Erlang, Elixir, Haskell and
PureScript.
## Usage instructions
First, note that the default kbd combination is Alt - =, and it is bound in visual mode.
Each usage has four steps:
* Mark the expression to replace with a visual selection.
* Hit the key combination, pick the name of the expression.
* Now in 'placement mode', move the assignment expression with Up or Down, or using k or j.
* End placing the assignment with Esc or Return.
### Overriding mappings
The trigger to activate can be set to a different key:
```viml
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