[fine] Automatic rebase support for CST

fine/tests/expression/arithmetic.fine

@@ -1,10 +1,6 @@
 // concrete:
 // | File
 // |   ExpressionStatement
-// |     LiteralExpression
-// |       Number:'"42"'
-// |     Semicolon:'";"'
-// |   ExpressionStatement
 // |     BinaryExpression
 // |       BinaryExpression
 // |         LiteralExpression
@@ -23,5 +19,4 @@
 // |           Number:'"4"'
 // |     Semicolon:'";"'
 //
-42;
 1 * 2 + -3 * 4;

fine/tests/expression/boolean.fine

@@ -0,0 +1,22 @@
+// concrete:
+// | File
+// |   ExpressionStatement
+// |     BinaryExpression
+// |       BinaryExpression
+// |         LiteralExpression
+// |           True:'"true"'
+// |         And:'"and"'
+// |         LiteralExpression
+// |           False:'"false"'
+// |       Or:'"or"'
+// |       BinaryExpression
+// |         LiteralExpression
+// |           False:'"false"'
+// |         And:'"and"'
+// |         UnaryExpression
+// |           Bang:'"!"'
+// |           LiteralExpression
+// |             True:'"true"'
+// |     Semicolon:'";"'
+//
+true and false or false and !true;

fine/tests/expression/number.fine

@@ -0,0 +1,8 @@
+// concrete:
+// | File
+// |   ExpressionStatement
+// |     LiteralExpression
+// |       Number:'"42"'
+// |     Semicolon:'";"'
+//
+42;

fine/tests/expression/strings.fine

@@ -0,0 +1,12 @@
+// concrete:
+// | File
+// |   ExpressionStatement
+// |     BinaryExpression
+// |       LiteralExpression
+// |         String:'"\"Hello \""'
+// |       Plus:'"+"'
+// |       LiteralExpression
+// |         String:'"'world!'"'
+// |     Semicolon:'";"'
+//
+"Hello " + 'world!';