Add OCaml support

.gitmodules

@@ -40,3 +40,6 @@
 [submodule "tree-sitter-c-sharp/vendor/tree-sitter-c-sharp"]
 	path = tree-sitter-c-sharp/vendor/tree-sitter-c-sharp
 	url = https://github.com/tree-sitter/tree-sitter-c-sharp
+[submodule "tree-sitter-ocaml/vendor/tree-sitter-ocaml"]
+	path = tree-sitter-ocaml/vendor/tree-sitter-ocaml
+	url = https://github.com/tree-sitter/tree-sitter-ocaml

tree-sitter-ocaml/ChangeLog.md

@@ -0,0 +1,3 @@
+# v0.1.0.0
+
+* add tree-sitter-ocaml parser

tree-sitter-ocaml/Setup.hs

@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain

tree-sitter-ocaml/TreeSitter/OCaml.hs

@@ -0,0 +1,17 @@
+module TreeSitter.OCaml
+( tree_sitter_ocaml
+, getNodeTypesPath
+, getTestCorpusDir
+) where
+
+import Foreign.Ptr
+import TreeSitter.Language
+import Paths_tree_sitter_ocaml
+
+foreign import ccall unsafe "vendor/tree-sitter-ocaml/src/parser.c tree_sitter_ocaml" tree_sitter_ocaml :: Ptr Language
+
+getNodeTypesPath :: IO FilePath
+getNodeTypesPath = getDataFileName "vendor/tree-sitter-ocaml/src/node-types.json"
+
+getTestCorpusDir :: IO FilePath
+getTestCorpusDir = getDataFileName "vendor/tree-sitter-ocaml/corpus"

tree-sitter-ocaml/tree-sitter-ocaml.cabal

@@ -0,0 +1,49 @@
+cabal-version:       2.4
+name:                tree-sitter-ocaml
+version:             0.1.0.0
+synopsis:            Tree-sitter grammar/parser for OCaml
+description:         This package provides a parser for OCaml suitable for use with the tree-sitter package.
+license:             BSD-3-Clause
+homepage:            https://github.com/tree-sitter/haskell-tree-sitter/tree/master/tree-sitter-ocaml
+maintainer:          rewinfrey@github.com
+copyright:           2020 GitHub, Anton Kochkov
+category:            Tree-sitter, OCaml
+build-type:          Simple
+data-files:          vendor/tree-sitter-ocaml/src/node-types.json
+                   , vendor/tree-sitter-ocaml/corpus/*.txt
+extra-source-files:  ChangeLog.md
+
+common common
+  default-language: Haskell2010
+  ghc-options:
+    -Weverything
+    -Wno-all-missed-specialisations
+    -Wno-implicit-prelude
+    -Wno-missed-specialisations
+    -Wno-missing-import-lists
+    -Wno-missing-local-signatures
+    -Wno-monomorphism-restriction
+    -Wno-name-shadowing
+    -Wno-safe
+    -Wno-unsafe
+  if (impl(ghc >= 8.6))
+    ghc-options: -Wno-star-is-type
+  if (impl(ghc >= 8.8))
+    ghc-options: -Wno-missing-deriving-strategies
+
+library
+  import: common
+  exposed-modules:     TreeSitter.OCaml
+  autogen-modules:     Paths_tree_sitter_ocaml
+  other-modules:       Paths_tree_sitter_ocaml
+  build-depends:       base >= 4.12 && <4.14
+                     , tree-sitter ^>= 0.9.0.0
+  Include-dirs:        vendor/tree-sitter-ocaml/src
+  install-includes:    tree_sitter/parser.h
+  c-sources:           vendor/tree-sitter-ocaml/src/parser.c
+                     , vendor/tree-sitter-ocaml/src/scanner.cc
+  extra-libraries:     stdc++
+
+source-repository head
+  type:     git
+  location: https://github.com/tree-sitter/haskell-tree-sitter