Add config for Dockerfile parser (#1288)

README.md

@@ -144,6 +144,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [css](https://github.com/tree-sitter/tree-sitter-css) (maintained by @TravonteD)
 - [x] [dart](https://github.com/UserNobody14/tree-sitter-dart) (maintained by @Akin909)
 - [x] [devicetree](https://github.com/joelspadin/tree-sitter-devicetree) (maintained by @jedrzejboczar)
+- [x] [dockerfile](https://github.com/camdencheek/tree-sitter-dockerfile) (maintained by @camdencheek)
 - [ ] [elm](https://github.com/elm-tooling/tree-sitter-elm)
 - [x] [erlang](https://github.com/AbstractMachinesLab/tree-sitter-erlang) (maintained by @ostera)
 - [x] [fennel](https://github.com/travonted/tree-sitter-fennel) (maintained by @TravonteD)

lua/nvim-treesitter/parsers.lua

@@ -64,6 +64,15 @@ list.cpp = {
   maintainers = {"@theHamsta"},
 }
 
+list.dockerfile = {
+  install_info = {
+    url = "https://github.com/camdencheek/tree-sitter-dockerfile",
+    branch = "main",
+    files = { "src/parser.c" },
+  },
+  maintainers = {"@camdencheek"},
+}
+
 list.rust = {
   install_info = {
     url = "https://github.com/tree-sitter/tree-sitter-rust",

queries/dockerfile/highlights.scm

@@ -0,0 +1,50 @@
+[
+  "FROM"
+  "AS"
+  "RUN"
+  "CMD"
+  "LABEL"
+  "EXPOSE"
+  "ENV"
+  "ADD"
+  "COPY"
+  "ENTRYPOINT"
+  "VOLUME"
+  "USER"
+  "WORKDIR"
+  "ARG"
+  "ONBUILD"
+  "STOPSIGNAL"
+  "HEALTHCHECK"
+  "SHELL"
+  "MAINTAINER"
+  "CROSS_BUILD"
+] @keyword
+
+[
+  ":"
+  "@"
+] @operator
+
+(comment) @comment
+
+(image_spec
+  (image_tag
+    ":" @punctuation.special)
+  (image_digest
+    "@" @punctuation.special))
+
+(double_quoted_string) @string
+
+(expansion
+  [
+    "$"
+    "{"
+    "}"
+  ] @punctuation.special
+)
+
+((variable) @constant
+  (#match? @constant "^[A-Z][A-Z_0-9]*$"))
+
+

queries/dockerfile/injections.scm

@@ -0,0 +1,3 @@
+(comment) @comment
+
+(shell_command) @bash