Merge PR barklan#98

Author: 0x0Aro

package.json

@@ -66,6 +66,7 @@
                     "source.svelte",
                     "source.tsx",
                     "source.rust",
+                    "source.dart",
                     "text.html.php"
                 ],
                 "embeddedLanguages": {
@@ -136,6 +137,16 @@
                 "embeddedLanguages": {
                     "meta.embedded.sql": "sql"
                 }
+            },
+            {
+                "path": "./syntaxes/dart-multiline.json",
+                "scopeName": "dart-multiline.injection",
+                "injectTo": [
+                    "source.dart"
+                ],
+                "embeddedLanguages": {
+                    "meta.embedded.sql": "sql"
+                }
             }
         ],
         "configuration": {

syntaxes/dart-multiline.json

@@ -0,0 +1,71 @@
+{
+    "scopeName": "dart-multiline.injection",
+    "fileTypes": [
+        "dart"
+    ],
+    "injectionSelector": [
+        "L:source -comment -string"
+    ],
+    "patterns": [
+        {
+            "comment": "Dart single-quote multi-lines strings",
+            "begin": "(''')(--\\s*sql)",
+            "beginCaptures": {
+                "2": {
+                    "name": "comment.sql"
+                }
+            },
+            "end": "(''')",
+            "patterns": [
+                {
+                    "include": "source.sql"
+                }
+            ]
+        },
+        {
+            "comment": "Dart single-quote multi-lines strings",
+            "begin": "(''')(SELECT |INSERT INTO |DELETE |UPDATE |CREATE TABLE |CREATE INDEX)",
+            "beginCaptures": {
+                "2": {
+                    "name": "keyword.sql"
+                }
+            },
+            "end": "(''')",
+            "patterns": [
+                {
+                    "include": "source.sql"
+                }
+            ]
+        },
+        {
+            "comment": "Dart double-quote multi-lines strings",
+            "begin": "(\"\"\")(--\\s*sql)",
+            "beginCaptures": {
+                "2": {
+                    "name": "comment.sql"
+                }
+            },
+            "end": "(\"\"\")",
+            "patterns": [
+                {
+                    "include": "source.sql"
+                }
+            ]
+        },
+        {
+            "comment": "Dart double-quote multi-lines strings",
+            "begin": "(\"\"\")(SELECT |INSERT INTO |DELETE |UPDATE |CREATE TABLE |CREATE INDEX)",
+            "beginCaptures": {
+                "2": {
+                    "name": "keyword.sql"
+                }
+            },
+            "end": "(\"\"\")",
+            "patterns": [
+                {
+                    "include": "source.sql"
+                }
+            ]
+        }
+    ]
+}

test/testdata/multiline.dart

@@ -0,0 +1,9 @@
+const singleQuoteMultiLineComment = '''--sql
+select * from `table`''';
+
+const singleQuoteMultiLine = '''select * from table''';
+
+const doubleQuoteMultiLineComment = """--sql
+select * from `table`""";
+
+const doubleQuoteMultiLine = """select * from table""";