feat(lua): for / function snippets overhaul (#537)

* feat(lua): for statement snippets overhaul
* feat(lua): function snippets overhaul
* feat(lua): separate snippet `f)` for anonymous functions

Author: WieeRd

snippets/lua/lua.json

@@ -7,17 +7,17 @@
     "return": {
         "prefix": "rt",
         "body": ["return $0"],
-        "description": "return value"
+        "description": "Return value"
     },
     "assigment": {
         "prefix": "ll",
         "body": ["local ${1:varName} = ${0:value}"],
-        "description": "define a variable"
+        "description": "Define a variable"
     },
     "local": {
         "prefix": "l",
         "body": ["local ${0}"],
-        "description": "declare a variable"
+        "description": "Declare a variable"
     },
     "locreq": {
         "prefix": "lreq",
@@ -44,12 +44,23 @@
     },
     "for": {
         "prefix": "for",
-        "body": ["for ${1:i}=${2:1},${3:10} do", "\t$0", "end"],
-        "description": "for loop range"
+        "body": ["for $1 do", "\t$0", "end"],
+        "description": "for statement"
     },
-    "foreach": {
-        "prefix": "foreach",
-        "body": ["for i, ${1:x} in pairs(${2:table}) do", "\t$0", "end"]
+    "for-numeric": {
+        "prefix": "forn",
+        "body": ["for ${1:i} = ${2:1}, ${3:10} do", "\t$0", "end"],
+        "description": "for numeric range statement"
+    },
+    "for-ipairs": {
+        "prefix": "fori",
+        "body": ["for ${1:i}, ${2:x} in ipairs(${3:t}) do", "\t$0", "end"],
+        "description": "for i, x in ipairs(t)"
+    },
+    "for-pairs": {
+        "prefix": "forp",
+        "body": ["for ${1:k}, ${2:v} in pairs(${3:t}) do", "\t$0", "end"],
+        "description": "for k, v in pairs(t)"
     },
     "forline": {
         "prefix": "forline",
@@ -61,15 +72,37 @@
             "\t${0}",
             "end"
         ],
-        "description": "read file line by line"
+        "description": "Read file line by line"
     },
     "function": {
         "prefix": "fu",
-        "body": ["function ${1:name}($2)", "\t${0}", "end"]
+        "body": ["function ${1:name}($2)", "\t${0}", "end"],
+        "description": "Define a function"
     },
-    "inline-function": {
+    "assign-function": {
         "prefix": "f=",
-        "body": ["local ${1:name} = function($2)", "\t${0}", "end"]
+        "body": ["${1:name} = function($2)", "\t${0}", "end"],
+        "description": "Assign a function to a variable"
+    },
+    "local-function": {
+        "prefix": "lfu",
+        "body": ["local function ${1:name}($2)", "\t${0}", "end"],
+        "description": "Define a local function"
+    },
+    "local-assign-function": {
+        "prefix": "lf=",
+        "body": ["local ${1:name} = function($2)", "\t${0}", "end"],
+        "description": "Assign a function to a local variable"
+    },
+    "anonymous-function": {
+        "prefix": "f)",
+        "body": ["function($1)", "\t${0}", "end"],
+        "description": "Create an anonymous function"
+    },
+    "member-function": {
+        "prefix": "f,",
+        "body": ["${1:name} = function($2)", "\t${0}", "end,"],
+        "description": "Assign a function to a table key"
     },
     "print": {
         "prefix": "p",