parsers: Add FHIR Shorthand (FSH) (#4052)

4 files changed, 104 insertions, 0 deletions

diff --git a/README.md b/README.md
index e7f5c371d..268e83a00 100644
--- a/README.md
+++ b/README.md
@@ -208,6 +208,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [fish](https://github.com/ram02z/tree-sitter-fish) (maintained by @ram02z)
 - [x] [foam](https://github.com/FoamScience/tree-sitter-foam) (experimental, maintained by @FoamScience)
 - [ ] [fortran](https://github.com/stadelmanma/tree-sitter-fortran)
+- [x] [fsh](https://github.com/mgramigna/tree-sitter-fsh) (maintained by @mgramigna)
 - [x] [fusion](https://gitlab.com/jirgn/tree-sitter-fusion.git) (maintained by @jirgn)
 - [x] [Godot (gdscript)](https://github.com/PrestonKnopp/tree-sitter-gdscript) (maintained by @Shatur)
 - [x] [git_rebase](https://github.com/the-mikedavis/tree-sitter-git-rebase) (maintained by @gbprod)
diff --git a/lockfile.json b/lockfile.json
index 49ae62789..3ff1d29f7 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -107,6 +107,9 @@
   "fortran": {
     "revision": "edcb3374f4698aaedf24bc572f6b2f5ef0e89ac7"
   },
+  "fsh": {
+    "revision": "f5b0489d44e588b0d5d77f5c5f50a20491c44441"
+  },
   "fusion": {
     "revision": "19db2f47ba4c3a0f6238d4ae0e2abfca16e61dd6"
   },
diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index 96aeac08d..1bf5ea224 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -242,6 +242,15 @@ list.rust = {
   maintainers = { "@vigoux" },
 }
 
+list.fsh = {
+  install_info = {
+    url = "https://github.com/mgramigna/tree-sitter-fsh",
+    files = { "src/parser.c" },
+    branch = "main",
+  },
+  maintainers = { "@mgramigna" },
+}
+
 list.fusion = {
   install_info = {
     url = "https://gitlab.com/jirgn/tree-sitter-fusion.git",
diff --git a/queries/fsh/highlights.scm b/queries/fsh/highlights.scm
new file mode 100644
index 000000000..ccc93fc56
--- /dev/null
+++ b/queries/fsh/highlights.scm
@@ -0,0 +1,91 @@
+[
+  "("
+  ")"
+] @punctuation.bracket
+
+[
+  "^"
+  "="
+  ":"
+] @operator
+
+[
+  "#"
+  ".."
+  "*"
+  "->"
+] @punctuation.special
+
+; Entities
+[
+  "Profile"
+  "Alias"
+  "Extension"
+  "Invariant"
+  "Instance"
+  "ValueSet"
+  "CodeSystem"
+  "Mapping"
+  "Logical"
+  "Resource"
+  "RuleSet"
+] @keyword
+
+; Metadata Keywords
+[
+  "Parent"
+  "Title"
+  "Description"
+  "Id"
+  "Severity"
+  "InstanceOf"
+  "Usage"
+  "Source"
+  "XPath"
+  "Target"
+] @keyword
+
+; Rule Keywords
+[
+  "contentReference"
+  "insert"
+  "and"
+  "or"
+  "contains"
+  "named"
+  "only"
+  "obeys"
+  "valueset"
+  "codes"
+  "from"
+  "include"
+  "exclude"
+  "where"
+  "system"
+  "exactly"
+] @keyword.operator
+
+; Types
+[
+  "Reference"
+  "Canonical"
+] @type.builtin
+
+
+(sd_metadata (parent (name))) @type
+(target_type (name)) @type
+
+; Strings
+(string) @string @spell
+(multiline_string) @string @spell
+
+; Constants
+(strength_value) @constant
+(bool) @constant.boolean
+(flag) @constant
+
+; Special Params
+(code_value) @parameter
+
+; Extras
+(fsh_comment) @comment @spell