Merge pull request #61440 from vnen/gdscript-scene-unique-nodes

GDScript: Support `%` in shorthand for `get_node`

modules/gdscript/tests/scripts/parser/errors/dollar-assignment-bug-53696.out

@@ -1,2 +1,2 @@
 GDTEST_PARSER_ERROR
-Expect node path as string or identifier after "$".
+Expected node path as string or identifier after "$".

modules/gdscript/tests/scripts/parser/errors/nothing_after_dollar.out

@@ -1,2 +1,2 @@
 GDTEST_PARSER_ERROR
-Expect node path as string or identifier after "$".
+Expected node path as string or identifier after "$".

modules/gdscript/tests/scripts/parser/errors/wrong_value_after_dollar.out

@@ -1,2 +1,2 @@
 GDTEST_PARSER_ERROR
-Expect node path as string or identifier after "$".
+Expected node path as string or identifier after "$".

modules/gdscript/tests/scripts/parser/errors/wrong_value_after_dollar_slash.out

@@ -1,2 +1,2 @@
 GDTEST_PARSER_ERROR
-Expect node path after "/".
+Expected node path as string or identifier after "/".

modules/gdscript/tests/scripts/parser/features/dollar_and_percent_get_node.gd

@@ -0,0 +1,49 @@
+extends Node
+
+func test():
+	var child = Node.new()
+	child.name = "Child"
+	add_child(child)
+	child.owner = self
+
+	var hey = Node.new()
+	hey.name = "Hey"
+	child.add_child(hey)
+	hey.owner = self
+	hey.unique_name_in_owner = true
+
+	var fake_hey = Node.new()
+	fake_hey.name = "Hey"
+	add_child(fake_hey)
+	fake_hey.owner = self
+
+	var sub_child = Node.new()
+	sub_child.name = "SubChild"
+	hey.add_child(sub_child)
+	sub_child.owner = self
+
+	var howdy = Node.new()
+	howdy.name = "Howdy"
+	sub_child.add_child(howdy)
+	howdy.owner = self
+	howdy.unique_name_in_owner = true
+
+	print(hey == $Child/Hey)
+	print(howdy == $Child/Hey/SubChild/Howdy)
+
+	print(%Hey == hey)
+	print($%Hey == hey)
+	print(%"Hey" == hey)
+	print($"%Hey" == hey)
+	print($%"Hey" == hey)
+	print(%Hey/%Howdy == howdy)
+	print($%Hey/%Howdy == howdy)
+	print($"%Hey/%Howdy" == howdy)
+	print($"%Hey"/"%Howdy" == howdy)
+	print(%"Hey"/"%Howdy" == howdy)
+	print($%"Hey"/"%Howdy" == howdy)
+	print($"%Hey"/%"Howdy" == howdy)
+	print(%"Hey"/%"Howdy" == howdy)
+	print($%"Hey"/%"Howdy" == howdy)
+	print(%"Hey/%Howdy" == howdy)
+	print($%"Hey/%Howdy" == howdy)

modules/gdscript/tests/scripts/parser/features/dollar_and_percent_get_node.out

@@ -0,0 +1,19 @@
+GDTEST_OK
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true