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87 lines
2.5 KiB
Markdown
87 lines
2.5 KiB
Markdown
---
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title: "Use Vim as a C/C++ IDE"
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categories: [tutorials, blog]
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image: https://user-images.githubusercontent.com/13142418/58743787-db2bee80-846a-11e9-9b19-17202ac542c9.png
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excerpt: "A general guide for using SpaceVim as C/C++ IDE, including layer configuration, requiems installation and usage."
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type: BlogPosting
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comments: true
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commentsID: "Use Vim as a C/C++ IDE"
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---
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# [Blogs](../blog/) >> Use Vim as a C/C++ IDE
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This is a general guide for using SpaceVim as a C/C++ IDE, including layer configuration and usage.
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Each of the following sections will be covered:
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<!-- vim-markdown-toc GFM -->
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- [Enable language layer](#enable-language-layer)
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- [code completion](#code-completion)
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- [alternate file jumping](#alternate-file-jumping)
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- [code running](#code-running)
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- [code format](#code-format)
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- [REPL support](#repl-support)
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<!-- vim-markdown-toc -->
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### Enable language layer
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To add C/C++ language support in SpaceVim, you need to enable the `lang#c` layer. Press `SPC f v d` to open
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SpaceVim configuration file, and add following configuration:
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```toml
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[[layers]]
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name = "lang#c"
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```
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for more info, you can read the [lang#c](../layers/lang/c/) layer documentation.
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### code completion
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By default the autocomplete layer has been enabled, so after loading `lang#c` layer, the code completion
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for C/C++ language should works well.
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### alternate file jumping
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To manage the alternate file for a project, you may need to create a `.project_alt.json` file in the root of your
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project.
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for exmaple, add following content into the `.project_alt.json` file:
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```json
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{
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"*.c": {"alternate": "{}.h"},
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"*.h": {"alternate": "{}.c"}
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}
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```
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with this configuration, you can jump between the alternate file via command `:A`
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### code running
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The default code running key binding is `SPC l r`. It will compile and run current file asynchronously.
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And the stdout will be shown on a runner buffer.
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### code format
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The format layer use neoformat as default tool to format code, it will format current file.
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And the default key binding is `SPC b f`.
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```toml
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[[layers]]
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name = "format"
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```
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### REPL support
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Start a `igcc` inferior REPL process with `SPC l s i`. After the REPL process being started, you can
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send code to inferior process, all key bindings prefix with `SPC l s`, including sending line, sending selection or even
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send whole buffer.
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