放弃了，这个语法文件太难搞

Author: sumneko

syntaxes/lua.tmLanguage.json

@@ -201,7 +201,7 @@
 							"name": "punctuation.definition.string.begin.lua"
 						}
 					},
-					"end": "'",
+					"end": "'[ \\t]*",
 					"endCaptures": {
 						"0": {
 							"name": "punctuation.definition.string.end.lua"
@@ -221,7 +221,7 @@
 							"name": "punctuation.definition.string.begin.lua"
 						}
 					},
-					"end": "\"",
+					"end": "\"[ \\t]*",
 					"endCaptures": {
 						"0": {
 							"name": "punctuation.definition.string.end.lua"
@@ -245,7 +245,7 @@
 						}
 					},
 					"contentName": "meta.embedded.lua",
-					"end": "(\\]\\2\\])",
+					"end": "(\\]\\2\\])[ \\t]*",
 					"endCaptures": {
 						"0": {
 							"name": "string.quoted.other.multiline.lua"
@@ -267,7 +267,7 @@
 							"name": "punctuation.definition.string.begin.lua"
 						}
 					},
-					"end": "\\]\\1\\]",
+					"end": "\\]\\1\\][ \\t]*",
 					"endCaptures": {
 						"0": {
 							"name": "punctuation.definition.string.end.lua"
@@ -410,7 +410,7 @@
 							"begin": "\\b([a-zA-Z_][a-zA-Z0-9_]*)\\b",
 							"beginCaptures": {
 								"0": {
-									"name": "variable.lua"
+									"name": "entity.name.variable.lua"
 								}
 							},
 							"end": "(?=\\n)",
@@ -421,21 +421,57 @@
 							]
 						}
 					]
+				},
+				{
+					"begin": "@return",
+					"beginCaptures": {
+						"0": {
+							"name": "storage.type.annotation.lua"
+						}
+					},
+					"end": "(?=\\n)",
+					"patterns": [
+						{
+							"include": "#luadoc.type"
+						}
+					]
 				}
 			]
 		},
 		"luadoc.type": {
+			"begin": "(?=[a-zA-Z_\\.\"])",
+			"end": "(?=\\s)",
 			"patterns": [
 				{
-					"match": "\\b([a-zA-Z_][a-zA-Z0-9_\\.]*)\\b",
+					"match": "(\\b([a-zA-Z_][a-zA-Z0-9_\\.]*)\\b)[ \\t]*",
 					"name": "support.type.lua"
 				},
 				{
-					"match": "\\|",
+					"include": "#string"
+				},
+				{
+					"include": "#luadoc.type.resume"
+				}
+			]
+		},
+		"luadoc.type.resume": {
+			"begin": "\\|",
+			"beginCaptures": {
+				"0": {
 					"name": "keyword.operator.lua"
+				}
+			},
+			"end": "(?=\\s)",
+			"patterns": [
+				{
+					"match": "(\\b([a-zA-Z_][a-zA-Z0-9_\\.]*)\\b)[ \\t]*",
+					"name": "support.type.lua"
 				},
 				{
 					"include": "#string"
+				},
+				{
+					"include": "#luadoc.type.resume"
 				}
 			]
 		}