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Add support for webassembly text format #4040

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merged 3 commits into from
Oct 1, 2022
Merged

Add support for webassembly text format #4040

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3a88003
add support for webassembly text format
jrvidal Sep 12, 2022
7091a07
split grammars for wat and wast
jrvidal Sep 30, 2022
604bca1
code review
jrvidal Oct 1, 2022
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1 change: 1 addition & 0 deletions book/src/generated/lang-support.md
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,7 @@
| vala | ✓ | | | `vala-language-server` |
| verilog | ✓ | ✓ | | `svlangserver` |
| vue | ✓ | | | `vls` |
| wat | ✓ | | | |
| wgsl | ✓ | | | `wgsl_analyzer` |
| xit | ✓ | | | |
| yaml | ✓ | | ✓ | `yaml-language-server` |
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22 changes: 22 additions & 0 deletions languages.toml
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Expand Up @@ -1781,3 +1781,25 @@ language-server = { command = "bass", args = ["--lsp"] }
[[grammar]]
name = "bass"
source = { git = "https://github.com/vito/tree-sitter-bass", rev = "501133e260d768ed4e1fd7374912ed5c86d6fd90" }

[[language]]
name = "wat"
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I think it would make more sense to call this webassembly, but it seems that this name determines the symbol that will be imported from the grammer dynamic library, and that's fixed to tree_sitter_wat.

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@the-mikedavis Do you think it'd be worth separating a human-readable name from the symbol name for tree sitter? I could do that in a subsequent PR.

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There's an issue along those lines: #3164

It would only be a cosmetic improvement for the file-type statusline element though

scope = "source.webassembly"
comment-token = ";;"
file-types = ["wat"]
roots = []

[[grammar]]
name = "wat"
source = { git = "https://github.com/wasm-lsp/tree-sitter-wasm", rev = "2ca28a9f9d709847bf7a3de0942a84e912f59088", subpath = "wat" }

[[language]]
name = "wast"
scope = "source.webassembly"
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The scopes are the same between these two. I think wat could be source.webassembly.text but I'm not sure what to use for wast

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I've tentatively set this to source.wat, which is the scope used by the main extensions in Sublime and VSCode. But not strong opinions here. If we were to follow your suggestion, we could set source.webassembly.script?

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We could use source.webassembly.text & source.webassembly.script. Since Sublime and VSCode use these though, I would prefer to also use source.wat & source.wast.

comment-token = ";;"
file-types = ["wast"]
roots = []

[[grammar]]
name = "wast"
source = { git = "https://github.com/wasm-lsp/tree-sitter-wasm", rev = "2ca28a9f9d709847bf7a3de0942a84e912f59088", subpath = "wast" }
21 changes: 21 additions & 0 deletions runtime/queries/wast/highlights.scm
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@@ -0,0 +1,21 @@
; inherits: wat

[
"assert_return"
"assert_trap"
"assert_exhaustion"
"assert_malformed"
"assert_invalid"
"assert_unlinkable"
"assert_trap"

"invoke"
"get"

"script"
"input"
"output"

"binary"
"quote"
] @keyword
17 changes: 17 additions & 0 deletions runtime/queries/wat/highlights.scm
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@@ -0,0 +1,17 @@
["module" "func" "param" "result" "type" "memory" "elem" "data" "table" "global"] @keyword

["import" "export"] @keyword.control.import

["local"] @keyword.storage.type

[(name) (string)] @string

(identifier) @function

[(comment_block) (comment_line)] @comment

[(nat) (float) (align_offset_value)] @constant.numeric.integer

(value_type) @type
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["(" ")"] @punctuation.bracket