feat: add liquidsoap

Co-authored-by: Christian Clason <c.clason@uni-graz.at>

7 files changed, 187 insertions, 0 deletions

diff --git a/README.md b/README.md
index 50a72798f..b86a54f54 100644
--- a/README.md
+++ b/README.md
@@ -280,6 +280,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [latex](https://github.com/latex-lsp/tree-sitter-latex) (maintained by @theHamsta, @clason)
 - [x] [ledger](https://github.com/cbarrete/tree-sitter-ledger) (maintained by @cbarrete)
 - [x] [llvm](https://github.com/benwilliamgraham/tree-sitter-llvm) (maintained by @benwilliamgraham)
+- [x] [liquidsoap](https://github.com/savonet/tree-sitter-liquidsoap) (maintained by @toots)
 - [x] [lua](https://github.com/MunifTanjim/tree-sitter-lua) (maintained by @muniftanjim)
 - [x] [luadoc](https://github.com/amaanq/tree-sitter-luadoc) (maintained by @amaanq)
 - [x] [lua patterns](https://github.com/amaanq/tree-sitter-luap) (maintained by @amaanq)
diff --git a/lockfile.json b/lockfile.json
index e01e02921..41845a314 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -320,6 +320,9 @@
   "llvm": {
     "revision": "1b96e58faf558ce057d4dc664b904528aee743cb"
   },
+  "liquidsoap": {
+    "revision": "bfc9518d4289c1e0477f0c99cf37c84d895ef8e8"
+  },
   "lua": {
     "revision": "9668709211b2e683f27f414454a8b51bf0a6bda1"
   },
diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index ee6ad3295..26a2bf8f5 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -975,6 +975,14 @@ list.llvm = {
   maintainers = { "@benwilliamgraham" },
 }
 
+list.liquidsoap = {
+  install_info = {
+    url = "https://github.com/savonet/tree-sitter-liquidsoap",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  maintainers = { "@toots" },
+}
+
 list.lua = {
   install_info = {
     url = "https://github.com/MunifTanjim/tree-sitter-lua",
diff --git a/queries/liquidsoap/folds.scm b/queries/liquidsoap/folds.scm
new file mode 100644
index 000000000..9b0d12efa
--- /dev/null
+++ b/queries/liquidsoap/folds.scm
@@ -0,0 +1,21 @@
+[
+ (let)
+ (binding)
+ (simple_fun)
+ (def)
+ (arglist)
+ (if)
+ (if_condition)
+ (if_then)
+ (elsif_condition)
+ (elsif_then)
+ (if_else)
+ (for)
+ (for_do)
+ (while)
+ (while_do)
+ (try)
+ (try_body)
+ (try_do)
+ (block)
+] @fold
diff --git a/queries/liquidsoap/highlights.scm b/queries/liquidsoap/highlights.scm
new file mode 100644
index 000000000..fcf553e3b
--- /dev/null
+++ b/queries/liquidsoap/highlights.scm
@@ -0,0 +1,85 @@
+(var) @variable
+
+(op) @operator
+["and" "or" "not"] @keyword.operator
+
+[
+  "def"
+  "fun"
+  "def_end"
+] @keyword.function
+
+(let_decoration) @keyword.coroutine
+
+[
+  "open"
+  "begin"
+  "block_end"
+  "let"
+] @keyword
+
+[
+  "while"
+  "do"
+  "to"
+  "for"
+  "for_end"
+  "while_end"
+] @repeat
+
+[
+  "if"
+  "then"
+  "elsif"
+  "else"
+  "if_end"
+] @conditional
+
+[
+  "try"
+  "catch"
+  "try_end"
+] @exception
+
+(inline_if [ "?" ":" ] @conditional.ternary)
+
+[
+  "%ifdef"
+  "%ifndef"
+  "%ifencoder"
+  "%ifnencoder"
+  "%ifversion"
+  "%else"
+  "%endif"
+  "%argsof"
+  "%include"
+] @preproc
+
+(encoder_name) @constant.builtin
+
+(anonymous_argument (var) @parameter)
+(labeled_argument label: (var) @parameter)
+
+"." @punctuation.delimiter
+
+[
+  "("
+  ")"
+  "["
+  "]"
+  "{"
+  "}"
+]  @punctuation.bracket
+
+(app name: (var) @function.call)
+(method) @method
+(method_app) @method.call
+
+(string) @string
+(string_interpolation [ "#{" "}" ] @punctuation.special)
+(integer) @number
+(float) @float
+(bool) @boolean
+(comment) @comment
+(regexp) @string.regex
+(type) @type
diff --git a/queries/liquidsoap/indents.scm b/queries/liquidsoap/indents.scm
new file mode 100644
index 000000000..ce8c02b53
--- /dev/null
+++ b/queries/liquidsoap/indents.scm
@@ -0,0 +1,54 @@
+[
+  "%ifdef"
+  "%ifndef"
+  "%ifencoder"
+  "%ifnencoder"
+  "%ifversion"
+  "%else"
+  "%endif"
+  "%argsof"
+  "%include"
+] @indent.zero
+
+[
+  "if"
+  "def"
+  "let"
+  "for"
+  "while"
+  "try"
+  "{"
+  "["
+  "("
+] @indent.begin
+
+(ERROR "def") @indent.begin
+
+(def "def_end" @indent.end)
+(if "if_end" @indent.end)
+(block "block_end" @indent.end)
+(for "for_end" @indent.end)
+(while "while_end" @indent.end)
+(try "try_end" @indent.end)
+
+[
+ "then"
+ "do"
+ "else"
+ "elsif"
+ "catch"
+] @indent.branch
+
+[
+ "def_end"
+ "if_end"
+ "block_end"
+ "for_end"
+ "while_end"
+ "try_end"
+ "}"
+ "]"
+ ")"
+] @indent.branch @indent.end
+
+(comment) @indent.auto
diff --git a/queries/liquidsoap/locals.scm b/queries/liquidsoap/locals.scm
new file mode 100644
index 000000000..1d67bc55a
--- /dev/null
+++ b/queries/liquidsoap/locals.scm
@@ -0,0 +1,15 @@
+[(anonymous_function) (binding) (def) (let)] @scope
+
+(anonymous_argument (var) @definition.parameter)
+(labeled_argument label: (var) @definition.parameter)
+
+(binding
+  defined: (var) @definition.var)
+(def defined: (var) @definition.var)
+(let defined: (var) @definition.var)
+(meth_pattern (var) @definition.var)
+(list_pattern (var) @definition.var)
+(tuple_pattern (var) @definition.var)
+(spread (var) @definition.var)
+
+(var) @reference