feat(faust): add tree-sitter-faust (#6043)

5 files changed, 233 insertions, 0 deletions

diff --git a/README.md b/README.md
index 786aa2276..0f7c50cb4 100644
--- a/README.md
+++ b/README.md
@@ -225,6 +225,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [ ] [embedded_template](https://github.com/tree-sitter/tree-sitter-embedded-template)
 - [x] [erlang](https://github.com/WhatsApp/tree-sitter-erlang) (maintained by @filmor)
 - [x] [facility](https://github.com/FacilityApi/tree-sitter-facility) (maintained by @bryankenote)
+- [x] [faust](https://github.com/khiner/tree-sitter-faust) (maintained by @khiner)
 - [x] [fennel](https://github.com/travonted/tree-sitter-fennel) (maintained by @TravonteD)
 - [x] [firrtl](https://github.com/amaanq/tree-sitter-firrtl) (maintained by @amaanq)
 - [x] [fish](https://github.com/ram02z/tree-sitter-fish) (maintained by @ram02z)
diff --git a/lockfile.json b/lockfile.json
index 5fda6ae1f..f6e095874 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -155,6 +155,9 @@
   "facility": {
     "revision": "a52579670e2b14ec03d410c3c980fafaf6d659c4"
   },
+  "faust": {
+    "revision": "4609dd2c126a4803139db03eed784d26effe9844"
+  },
   "fennel": {
     "revision": "15e4f8c417281768db17080c4447297f8ff5343a"
   },
diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index d74267c20..b5c8778cb 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -514,6 +514,15 @@ list.facility = {
   maintainers = { "@bryankenote" },
 }
 
+list.faust = {
+  install_info = {
+    url = "https://github.com/khiner/tree-sitter-faust",
+    files = { "src/parser.c" },
+  },
+  filetype = "dsp",
+  maintainers = { "@khiner" },
+}
+
 list.fennel = {
   install_info = {
     url = "https://github.com/travonted/tree-sitter-fennel",
diff --git a/queries/faust/highlights.scm b/queries/faust/highlights.scm
new file mode 100644
index 000000000..012562971
--- /dev/null
+++ b/queries/faust/highlights.scm
@@ -0,0 +1,218 @@
+; Identifiers
+(identifier) @variable
+
+(process) @variable.builtin
+
+(parameters
+  (identifier)) @variable.parameter
+
+(global_metadata
+  key: (identifier) @variable.member)
+
+(function_metadata
+  function_name: (identifier) @variable.member)
+
+; Literals
+(_
+  filename: (string)) @string.special.path
+
+(documentation) @string.documentation @spell
+
+[
+  (string)
+  (fstring)
+] @string
+
+(int) @number
+
+(real) @number.float
+
+; Types
+(_
+  type:
+    [
+      (int_type)
+      (float_type)
+      (any_type)
+    ]) @type.builtin
+
+[
+  (single_precision)
+  (double_precision)
+  (quad_precision)
+  (fixed_point_precision)
+] @attribute
+
+; Functions
+(function_definition
+  name: (identifier) @function)
+
+(function_names) @function
+
+[
+  (lambda)
+  (prefix)
+  (prim1)
+  (prim2)
+  (prim3)
+  (prim4)
+  (prim5)
+  (function_call)
+] @function.call
+
+[
+  "exp"
+  "log"
+  "log10"
+  "sqrt"
+  "abs"
+  "floor"
+  "ceil"
+  "rint"
+  "round"
+  "acos"
+  "asin"
+  "atan"
+  "cos"
+  "sin"
+  "tan"
+  "atan2"
+  "int"
+  "float"
+  "pow"
+  "min"
+  "max"
+  "fmod"
+  "remainder"
+  "prefix"
+  "attach"
+  "enable"
+  "control"
+  "rdtable"
+  "rwtable"
+  "select2"
+  "select3"
+  "lowest"
+  "highest"
+  "assertbounds"
+  (par)
+  (seq)
+  (sum)
+  (prod)
+  (component)
+  (library)
+  (vslider_type)
+  (hslider_type)
+  (nentry_type)
+  (vbargraph_type)
+  (hbargraph_type)
+  (vgroup_type)
+  (hgroup_type)
+  (tgroup_type)
+  "button"
+  "checkbox"
+  "soundfile"
+  "inputs"
+  "outputs"
+  "route"
+] @function.builtin
+
+; xor is a @keyword.operator
+[
+  (add)
+  (sub)
+  (mult)
+  (div)
+  (mod)
+  (pow)
+  (or)
+  (and)
+  (lshift)
+  (rshift)
+  (lt)
+  (le)
+  (gt)
+  (ge)
+  (eq)
+  (neq)
+  (delay)
+  (one_sample_delay)
+  "="
+  "=>"
+  "->"
+] @operator
+
+(recursive
+  "~" @operator)
+
+(sequential
+  ":" @operator)
+
+(split
+  "<:" @operator)
+
+(merge
+  ":>" @operator)
+
+(parallel
+  "," @operator)
+
+; Keywords
+[
+  (par)
+  (seq)
+  (sum)
+  (prod)
+] @keyword.repeat
+
+(file_import
+  "import" @keyword.import)
+
+[
+  (wire)
+  (cut)
+  (mem)
+  "declare"
+  "with"
+  "environment"
+  "case"
+  "ffunction"
+  "fconstant"
+  "fvariable"
+] @keyword
+
+(xor) @keyword.operator
+
+; Punctuation
+[
+  ","
+  ";"
+  "."
+] @punctuation.delimiter
+
+[
+  "("
+  ")"
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket
+
+; Comments
+(comment) @comment @spell
+
+; Tags
+[
+  "<mdoc>"
+  "</mdoc>"
+  "<metadata>"
+  "</metadata>"
+  "<equation>"
+  "</equation>"
+  "<diagram>"
+  "</diagram>"
+  "<listing"
+  "<notice"
+  "/>"
+] @tag
diff --git a/queries/faust/injections.scm b/queries/faust/injections.scm
new file mode 100644
index 000000000..2f0e58eb6
--- /dev/null
+++ b/queries/faust/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+  (#set! injection.language "comment"))