feat(liquid): add new parser tree-sitter-liquid (#6359)

(templating language)

5 files changed, 164 insertions, 0 deletions

diff --git a/README.md b/README.md
index 2851b05bf..678b436c3 100644
--- a/README.md
+++ b/README.md
@@ -299,6 +299,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [ledger](https://github.com/cbarrete/tree-sitter-ledger) (maintained by @cbarrete)
 - [x] [leo](https://github.com/r001/tree-sitter-leo) (maintained by @r001)
 - [x] [linkerscript](https://github.com/amaanq/tree-sitter-linkerscript) (maintained by @amaanq)
+- [x] [liquid](https://github.com/hankthetank27/tree-sitter-liquid) (maintained by @hankthetank27)
 - [x] [liquidsoap](https://github.com/savonet/tree-sitter-liquidsoap) (maintained by @toots)
 - [x] [llvm](https://github.com/benwilliamgraham/tree-sitter-llvm) (maintained by @benwilliamgraham)
 - [x] [lua](https://github.com/MunifTanjim/tree-sitter-lua) (maintained by @muniftanjim)
diff --git a/lockfile.json b/lockfile.json
index 3fd6cb5ac..4fbfd8abf 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -377,6 +377,9 @@
   "linkerscript": {
     "revision": "f99011a3554213b654985a4b0a65b3b032ec4621"
   },
+  "liquid": {
+    "revision": "06a18b68eaa5665c6eeef30e355878835e473d15"
+  },
   "liquidsoap": {
     "revision": "09a9e31e2af734a8974dad6ed349648f601eee8c"
   },
diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index 756c5408e..70379f1dd 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -1131,6 +1131,14 @@ list.linkerscript = {
   maintainers = { "@amaanq" },
 }
 
+list.liquid = {
+  install_info = {
+    url = "https://github.com/hankthetank27/tree-sitter-liquid",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  maintainers = { "@hankthetank27" },
+}
+
 list.liquidsoap = {
   install_info = {
     url = "https://github.com/savonet/tree-sitter-liquidsoap",
diff --git a/queries/liquid/highlights.scm b/queries/liquid/highlights.scm
new file mode 100644
index 000000000..a1bf61169
--- /dev/null
+++ b/queries/liquid/highlights.scm
@@ -0,0 +1,130 @@
+((comment) @comment @spell
+  (#set! priority 110))
+
+(raw_statement
+  (raw_content) @spell
+  (#set! priority 110))
+
+((identifier) @variable
+  (#set! priority 110))
+
+((string) @string
+  (#set! priority 110))
+
+((boolean) @boolean
+  (#set! priority 110))
+
+((number) @number
+  (#set! priority 110))
+
+(filter
+  name: (identifier) @function.call
+  (#set! priority 110))
+
+([
+  "as"
+  "assign"
+  "capture"
+  "decrement"
+  "echo"
+  "endcapture"
+  "endform"
+  "endjavascript"
+  "endraw"
+  "endschema"
+  "endstyle"
+  "form"
+  "increment"
+  "javascript"
+  "layout"
+  "liquid"
+  "raw"
+  "schema"
+  "style"
+  "with"
+] @keyword
+  (#set! priority 110))
+
+([
+  "case"
+  "else"
+  "elsif"
+  "endcase"
+  "endif"
+  "endunless"
+  "if"
+  "unless"
+  "when"
+] @keyword.conditional
+  (#set! priority 110))
+
+([
+  "break"
+  "by"
+  "continue"
+  "cycle"
+  "endfor"
+  "endpaginate"
+  "endtablerow"
+  "for"
+  "paginate"
+  "tablerow"
+] @keyword.repeat
+  (#set! priority 110))
+
+([
+  "and"
+  "contains"
+  "in"
+  "or"
+] @keyword.operator
+  (#set! priority 110))
+
+([
+  "{{"
+  "}}"
+  "{{-"
+  "-}}"
+  "{%"
+  "%}"
+  "{%-"
+  "-%}"
+] @tag.delimiter
+  (#set! priority 110))
+
+[
+  "include"
+  "render"
+  "section"
+  "sections"
+] @keyword.import
+
+[
+  "|"
+  ":"
+  "="
+  "+"
+  "-"
+  "*"
+  "/"
+  "%"
+  "^"
+  "=="
+  "<"
+  "<="
+  "!="
+  ">="
+  ">"
+] @operator
+
+[
+  "]"
+  "["
+  ")"
+  "("
+] @punctuation.bracket
+
+[
+  ","
+  "."
+] @punctuation.delimiter
diff --git a/queries/liquid/injections.scm b/queries/liquid/injections.scm
new file mode 100644
index 000000000..fa7457659
--- /dev/null
+++ b/queries/liquid/injections.scm
@@ -0,0 +1,22 @@
+((template_content) @injection.content
+  (#set! injection.language "html")
+  (#set! injection.combined))
+
+; TODO we can switch to quantifiers once neovim 0.10 becomes stable
+(javascript_statement
+  (js_content) @injection.content
+  (#set! injection.language "javascript")
+  (#set! injection.combined))
+
+(schema_statement
+  (json_content) @injection.content
+  (#set! injection.language "json")
+  (#set! injection.combined))
+
+(style_statement
+  (style_content) @injection.content
+  (#set! injection.language "css")
+  (#set! injection.combined))
+
+((comment) @injection.content
+  (#set! injection.language "comment"))