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| author | Kim Alvefur <zash@zash.se> |
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| date | Thu, 30 Mar 2023 11:09:08 +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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25 |
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26 |
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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 |
