[razor] update grammar (fixes #30084)

extensions/razor/package.json

@@ -6,7 +6,7 @@
     "vscode": "0.10.x"
   },
   "scripts": {
-    "update-grammar": "node ../../build/npm/update-grammar.js demyte/language-cshtml grammars/cshtml.cson ./syntaxes/cshtml.json"
+    "update-grammar": "node ../../build/npm/update-grammar.js demyte/language-cshtml grammars/cshtml.json ./syntaxes/cshtml.json"
   },
 	"contributes": {
 		"languages": [{

extensions/razor/syntaxes/cshtml.json

 {
 	"information_for_contributors": [
-		"This file has been converted from https://github.com/demyte/language-cshtml/blob/master/grammars/cshtml.cson",
+		"This file has been converted from https://github.com/demyte/language-cshtml/blob/master/grammars/cshtml.json",
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
+	"version": "https://github.com/demyte/language-cshtml/commit/cbf0e35971324e861247145e92f4cbbe0bc42d0e",
 	"name": "ASP.NET Razor",
 	"scopeName": "text.html.cshtml",
 	"fileTypes": [
@@ -35,21 +36,14 @@
 						}
 					},
 					"patterns": [
-						{
-							"name": "string.quoted.single.cshtml",
-							"match": "'"
-						},
 						{
 							"include": "#embedded-code"
 						},
 						{
-							"include": "#comments"
+							"include": "#general-includes"
 						},
 						{
 							"include": "source.cs"
-						},
-						{
-							"include": "text.html.basic"
 						}
 					],
 					"end": "\\}",
@@ -59,18 +53,14 @@
 						}
 					}
 				},
-				{
-					"name": "string.quoted.single.cshtml",
-					"match": "'"
-				},
 				{
 					"include": "#embedded-code"
 				},
 				{
-					"include": "#comments"
+					"include": "#general-includes"
 				},
 				{
-					"include": "text.html.basic"
+					"include": "source.cs"
 				}
 			],
 			"end": "\\}",
@@ -107,17 +97,32 @@
 					"include": "#embedded-code"
 				},
 				{
-					"include": "#comments"
+					"include": "#general-includes"
+				}
+			],
+			"end": "(\\n|\\s)",
+			"comments": "Single statement Razor tags"
+		},
+		{
+			"begin": "(@\\()",
+			"captures": {
+				"0": {
+					"name": "punctuation.section.embedded.begin.cshtml"
+				}
+			},
+			"patterns": [
+				{
+					"include": "#embedded-code"
 				},
 				{
-					"include": "source.cs"
+					"include": "#general-includes"
 				},
 				{
-					"include": "text.html.basic"
+					"include": "source.cs"
 				}
 			],
-			"end": "(\\n|\\s)",
-			"comments": "Covers single line Razor tags"
+			"end": "(\\))",
+			"comments": "Covers same line Razor statments with embedded C#"
 		},
 		{
 			"include": "#comments"
@@ -139,7 +144,7 @@
 			},
 			"patterns": [
 				{
-					"include": "#comments"
+					"include": "#general-includes"
 				}
 			]
 		},
@@ -152,6 +157,69 @@
 			},
 			"end": "\\*@",
 			"name": "comment.block.cshtml"
+		},
+		"line-comments": {
+			"name": "comment.line.double-slash.cshtml",
+			"begin": "(\\s*)//",
+			"end": "$(\\s*)"
+		},
+		"block-comments": {
+			"name": "comment.block.cshtml",
+			"begin": "/\\*",
+			"end": "((?=})|(\\*/))"
+		},
+		"single-quotes": {
+			"name": "string.quoted.single.cshtml",
+			"begin": "'",
+			"end": "'"
+		},
+		"double-quotes": {
+			"name": "string.quoted.double.cshtml",
+			"begin": "\"",
+			"end": "\"",
+			"patterns": [
+				{
+					"include": "text.html.basic"
+				}
+			]
+		},
+		"round-brackets": {
+			"name": "string.bracers.round.cshtml",
+			"begin": "\\(",
+			"end": "\\)"
+		},
+		"squiggly-brackets": {
+			"name": "string.bracers.squiggly.cshtml",
+			"begin": "{",
+			"end": "}"
+		},
+		"general-includes": {
+			"patterns": [
+				{
+					"include": "#comments"
+				},
+				{
+					"include": "#line-comments"
+				},
+				{
+					"include": "#block-comments"
+				},
+				{
+					"include": "#round-brackets"
+				},
+				{
+					"include": "#squiggly-brackets"
+				},
+				{
+					"include": "#single-quotes"
+				},
+				{
+					"include": "#double-quotes"
+				},
+				{
+					"include": "text.html.basic"
+				}
+			]
 		}
 	}
 }
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