Add SQL block highlighting support

See microsoft/vscode-textmate#41 (comment)
for multi line matching

language-support/sql/inline-sql.json

@@ -0,0 +1,47 @@
+{
+	"fileTypes": ["java"],
+	"injectionSelector": "L:source.java -comment -string ",
+	"patterns": [
+		{
+			"contentName": "meta.embedded.block.sql",
+			"begin": "(?i)((/\\*\\s*(language=sql)\\s*\\*/)|((//\\s*(language=sql)\\s*)$))",
+			"beginCaptures": {
+				"1": {
+					"name": "comment.block"
+				}
+			},
+			"end": "(?<=\")",
+			"patterns": [
+				{
+					"begin": "\\s*(\"\"\")$",
+					"beginCaptures": {
+						"0": { "name": "string.quoted.triple.java" }
+					},
+					"end": "\\s*(\"\"\")",
+					"endCaptures": {
+						"0": { "name": "string.quoted.triple.java" }
+					},
+					"patterns": [
+						{ "include": "source.sql" },
+						{ "include": "source.plpgsql.postgres" }
+					]
+				},
+				{
+					"begin": "\\s*(\")",
+					"beginCaptures": {
+						"0": { "name": "string.quoted.double.java" }
+					},
+					"end": "\\s*(\")",
+					"endCaptures": {
+						"0": { "name": "string.quoted.double.java" }
+					},
+					"patterns": [
+						{ "include": "source.sql" },
+						{ "include": "source.plpgsql.postgres" }
+					]
+				}
+			]
+		}
+	],
+	"scopeName": "inline.sql"
+}

package.json

@@ -211,6 +211,16 @@
         "language": "gradle-kotlin-dsl",
         "scopeName": "source.kotlin",
         "path": "./language-support/kotlin/kotlin.tmLanguage.json"
+      },
+      {
+        "injectTo": [
+          "source.java"
+        ],
+        "scopeName": "inline.sql",
+        "path": "./language-support/sql/inline-sql.json",
+        "embeddedLanguages": {
+          "meta.embedded.block.sql": "sql"
+        }
       }
     ],
     "jsonValidation": [