Add support for line breaks in chained function calls

Close #217

Author: NathanLovato

queries/gdscript.scm

@@ -61,8 +61,6 @@
 
 ; MULTI-LINE ARGUMENTS (in function calls)
 (arguments "," @append_hardline . (comment)? @do_nothing (#multi_line_only!))
-; uncomment for double indentation in multiline function calls
-; (arguments (_) @prepend_indent_start @append_indent_end)
 (arguments
     "(" @append_hardline @append_indent_start
     ")" @prepend_hardline @prepend_indent_end
@@ -106,6 +104,9 @@
 (constructor_definition (body) @prepend_hardline)
 
 ; OPERATORS
+; Preserve user-inserted line breaks in chained attribute/method calls.
+(attribute "." @prepend_input_softline @prepend_antispace)
+
 ; Allow line breaks around binary operators for long expressions
 ; This means that if the programmer has a long expression, they can break it up by wrapping something on a line
 (binary_operator

tests/expected/issue_217.gd

@@ -0,0 +1,19 @@
+# Based on https://github.com/GDQuest/GDScript-formatter/issues/217
+func _test() -> void:
+	print(
+		"ABCDEF"
+		.replace("A", "111111111111111111111111111111111111111111111111")
+		.replace("B", "2")
+		.replace("C", "3"),
+	)
+
+	foo(
+		"ABCDEF"
+		.replace(
+			"A",
+			"111111111111111111111111111111111111111111111111",
+		)
+		.replace("B", "2")
+		.replace("C", "3"),
+		"second argument",
+	)

tests/input/issue_217.gd

@@ -0,0 +1,17 @@
+# Based on https://github.com/GDQuest/GDScript-formatter/issues/217
+func _test() -> void:
+	print("ABCDEF"
+			.replace("A", "111111111111111111111111111111111111111111111111")
+			.replace("B", "2")
+			.replace("C", "3"))
+
+	foo(
+		"ABCDEF"
+				.replace(
+						"A",
+						"111111111111111111111111111111111111111111111111"
+				)
+				.replace("B", "2")
+				.replace("C", "3"),
+		"second argument"
+	)