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lint: Teach luacheck about module:once Silence warning for using this introduced in 9c62ffbdf2ae
author Kim Alvefur <zash@zash.se>
date Sun, 15 Oct 2023 16:43:14 +0200
parent 13005:1167aaf1aa1f
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1 # Teal definitions and sources
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2
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3 This directory contains files written in the
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4 [Teal](https://github.com/teal-language/tl) language, a typed dialect of
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5 Lua. There are two kinds of files, `.tl` Teal source code and `.d.tl`
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6 type definitions files for modules written in Lua. The later allows
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7 writing type-aware Teal using regular Lua or C code.
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8
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9 ## Setup
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10
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11 The Teal compiler can be installed from LuaRocks using:
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12
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13 ```bash
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14 luarocks install tl
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15 ```
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16
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17 ## Checking types
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18
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19 ```bash
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20 tl check teal-src/prosody/util/example.tl
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21 ```
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22
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23 Some editors and IDEs also have support, see [text editor
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24 support](https://github.com/teal-language/tl#text-editor-support)
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27 ## Compiling to Lua
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28
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29 `GNUmakefile` contains a rule for building Lua files from Teal sources.
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30 It also applies [LuaFormat](https://github.com/Koihik/LuaFormatter) to
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31 make the resulting code more readable, albeit this makes the line
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32 numbers no longer match the original Teal source. Sometimes minor
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33 `luacheck` issues remain, such as types being represented as unused
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34 tables, which can be removed.
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35
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36 ```bash
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37 sensible-editor teal-src/prosody/util/example.tl
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38 # Write some code, remember to run tl check
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39 make util/example.lua
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40 sensible-editor util/example.lua
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41 # Apply any minor tweaks that may be needed
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42 ```
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43
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44 ## Files of note
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45
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46 `module.d.tl`
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47 : Describes the module environment.
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48