Replace MATLAB grammar (#7388)

runtime/queries/matlab/context.scm

@@ -0,0 +1,41 @@
+(function_definition
+  (block (_) @context.end)
+) @context
+
+(while_statement
+  (block (_) @context.end)
+) @context
+
+(for_statement
+  (block (_) @context.end)
+) @context
+
+(if_statement
+  (block (_) @context.end)
+) @context
+
+(elseif_clause
+  (block (_) @context.end)
+) @context
+
+(else_clause
+  (block (_) @context.end)
+) @context
+
+(switch_statement) @context
+
+(case_clause
+  (block (_) @context.end)
+) @context
+
+(otherwise_clause
+  (block (_) @context.end)
+) @context
+
+(try_statement
+  "try"
+  (block (_) @context.end) @context
+  "end")
+(catch_clause
+  "catch"
+  (block (_) @context.end) @context)