Add ocaml and dune snippets (#352)

package.json

@@ -483,6 +483,25 @@
             {
                 "language": "reason",
                 "path": "./snippets/reason.json"
+            },
+            {
+                "language": [
+                    "ocaml",
+                    "ocamlinterface"
+                ],
+                "path": "./snippets/ocaml/ocaml.json"
+            },
+            {
+                "language": "ocaml.ocamllex",
+                "path": "./snippets/ocaml/ocamllex.json"
+            },
+            {
+                "language": "dune-project",
+                "path": "./snippets/ocaml/dune-project.json"
+            },
+            {
+                "language": "dune",
+                "path": "./snippets/ocaml/dune.json"
             }
         ]
     }

snippets/ocaml/dune-project.json

@@ -0,0 +1,31 @@
+{
+  "lang": {
+    "prefix": "lang",
+    "body": ["(lang $1 $2)"],
+    "description": "Snippet for a lang stanza"
+  },
+  "name": {
+    "prefix": "name",
+    "body": ["(name $1)"],
+    "description": "Snippet for a name stanza"
+  },
+  "using": {
+    "prefix": "using",
+    "body": ["(using $1 $2)"],
+    "description": "Snippet for an using stanza"
+  },
+  "info": {
+    "prefix": "info",
+    "body": [
+      "(license $1)\n(authors \"$2\")\n(maintainers \"$3\")\n(source (${4|uri,github|} $5))\n(bug_reports \"$6\")\n(homepage \"$7\")\n(documentation \"$8\")"
+    ],
+    "description": "Snippet to add info related stanzas"
+  },
+  "package": {
+    "prefix": "package",
+    "body": [
+      "(package\n (name $1)\n (synopsis \"$2\")\n (description \"$3\")\n (depends $4))"
+    ],
+    "description": "Snippet for a package stanza"
+  }
+}

snippets/ocaml/dune.json

@@ -0,0 +1,37 @@
+{
+  "env": {
+    "prefix": "env",
+    "body": ["(env\n ($1 $2))"],
+    "description": "Snippet for an env stanza"
+  },
+  "executable": {
+    "prefix": "executable",
+    "body": ["(executable\n (name $1)\n (public_name $2)\n (libraries $3))"],
+    "description": "Snippet for an executable stanza"
+  },
+  "executables": {
+    "prefix": "executables",
+    "body": ["(executables\n (names $1)\n (public_names $2)\n (libraries $3))"],
+    "description": "Snippet for an executables stanza"
+  },
+  "install": {
+    "prefix": "install",
+    "body": ["(install\n (section $1)\n (files ($2.exe as $3)))"],
+    "description": "Snippet for an install stanza"
+  },
+  "library": {
+    "prefix": "library",
+    "body": ["(library\n (name $1)\n (public_name $2)\n (libraries $3))"],
+    "description": "Snippet for a library stanza"
+  },
+  "rule": {
+    "prefix": "rule",
+    "body": ["(rule\n (alias $1)\n (deps $2)\n (targets $3)\n (action $4))"],
+    "description": "Snippet for a rule stanza"
+  },
+  "test": {
+    "prefix": "test",
+    "body": ["(test\n (name $1)\n (libraries $2))"],
+    "description": "Snippet for a test stanza"
+  }
+}

snippets/ocaml/ocaml.json

@@ -0,0 +1,67 @@
+{
+  "lambda": {
+    "prefix": "fun",
+    "body": ["fun (${1:pattern}) -> ${2:${1:pattern}}"],
+    "description": "Snippet for a lambda function definition"
+  },
+  "let .. in": {
+    "prefix": "let",
+    "body": ["let ${1:pattern} = ${2:()} in$0"],
+    "description": "Snippet for a let .. in binding"
+  },
+  "function": {
+    "prefix": "func",
+    "body": ["function\n| $0"],
+    "description": "Snippet for a match function definition"
+  },
+  "variant pattern": {
+    "prefix": "|",
+    "body": ["| ${1:_} -> $0"],
+    "description": "Snippet for a variant definition"
+  },
+  "let (toplevel)": {
+    "prefix": "let",
+    "body": ["let ${1:pattern} = $0"],
+    "description": "Snippet for a let definition"
+  },
+  "val": {
+    "prefix": "val",
+    "body": ["val ${1:name} : $0"],
+    "description": "Snippet for a value definition"
+  },
+  "sig": {
+    "prefix": "sig",
+    "body": ["sig\n  ${1}\nend$0"],
+    "description": "Snippet for a signature block"
+  },
+  "struct": {
+    "prefix": "struct",
+    "body": ["struct\n  ${1}\nend$0"],
+    "description": "Snippet for a struct block"
+  },
+  "module": {
+    "prefix": "module",
+    "body": ["module ${1:M} = struct\n  ${2}\nend$0"],
+    "description": "Snippet for a module definition"
+  },
+  "module signature": {
+    "prefix": "module",
+    "body": ["module ${1:M} : sig\n  ${2}\nend$0"],
+    "description": "Snippet for a module signature definition"
+  },
+  "module type": {
+    "prefix": "module",
+    "body": ["module type ${1:M} = sig\n  ${2}\nend$0"],
+    "description": "Snippet for a module type definition"
+  },
+  "match": {
+    "prefix": "match",
+    "body": ["match ${1:scrutinee} with\n| ${2:pattern} -> ${3:${2:pattern}}"],
+    "description": "Snippet for a pattern match block definition"
+  },
+  "type declaration": {
+    "prefix": "type",
+    "body": ["type ${1:name} = $0"],
+    "description": "Snippet for a type declaration"
+  }
+}

snippets/ocaml/ocamllex.json

@@ -0,0 +1,7 @@
+{
+  "rule": {
+    "prefix": "rule",
+    "body": ["rule ${1:pattern} = parse", "| $0"],
+    "description": "Snippet for a rule"
+  }
+}