Language Server: Improve hovered symbol resolution, fix renaming bugs, implement reference lookup

Co-Authored-By: Ryan Brue <56272643+ryanabx@users.noreply.github.com>
Co-Authored-By: BooksBaum <15612932+booksbaum@users.noreply.github.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/modules/gdscript/tests/scripts/lsp/scopes.notest.gd b/modules/gdscript/tests/scripts/lsp/scopes.notest.gd
new file mode 100644
index 0000000000..20b8fb9bd7
--- /dev/null
+++ b/modules/gdscript/tests/scripts/lsp/scopes.notest.gd
@@ -0,0 +1,106 @@
+extends Node
+
+var member := 2
+#   ^^^^^^ public -> public
+
+signal some_changed(new_value)
+#      |          | ^^^^^^^^^ signal:parameter -> signal:parameter
+#      ^^^^^^^^^^^^ signal -> signal
+var some_value := 42:
+#   ^^^^^^^^^^ property -> property
+	get:
+		return some_value
+		#      ^^^^^^^^^^ -> property
+	set(value):
+	#   ^^^^^ property:set:value -> property:set:value
+		some_changed.emit(value)
+		#          |      ^^^^^ -> property:set:value
+		#<^^^^^^^^^^ -> signal
+		some_value = value
+		#        |   ^^^^^ -> property:set:value
+		#<^^^^^^^^ -> property
+
+func v():
+	var value := member + 2
+	#   |   |    ^^^^^^ -> public
+	#   ^^^^^ v:value -> v:value
+	print(value)
+	#     ^^^^^ -> v:value
+	if value > 0:
+	#  ^^^^^ -> v:value
+		var beta := value + 2
+		#   |  |    ^^^^^ -> v:value
+		#   ^^^^ v:if:beta -> v:if:beta
+		print(beta)
+		#     ^^^^ -> v:if:beta
+
+		for counter in beta:
+		#   |     |    ^^^^ -> v:if:beta
+		#   ^^^^^^^ v:if:counter -> v:if:counter
+			print (counter)
+			#      ^^^^^^^ -> v:if:counter
+
+	else:
+		for counter in value:
+		#   |     |    ^^^^^ -> v:value
+		#   ^^^^^^^ v:else:counter -> v:else:counter
+			print(counter)
+			#     ^^^^^^^ -> v:else:counter
+
+func f():
+	var func1 = func(value): print(value + 13)
+	#   |   |        |   |         ^^^^^ -> f:func1:value
+	#   |   |        ^^^^^ f:func1:value -> f:func1:value
+	#   ^^^^^ f:func1 -> f:func1
+	var func2 = func(value): print(value + 42)
+	#   |   |        |   |         ^^^^^ -> f:func2:value
+	#   |   |        ^^^^^ f:func2:value -> f:func2:value
+	#   ^^^^^ f:func2 -> f:func2
+
+	func1.call(1)
+	#<^^^ -> f:func1
+	func2.call(2)
+	#<^^^ -> f:func2
+
+func m():
+	var value = 42
+	#   ^^^^^ m:value -> m:value
+
+	match value:
+	#     ^^^^^ -> m:value
+		13: 
+			print(value)
+			#     ^^^^^ -> m:value
+		[var start, _, var end]: 
+		#    |   |         ^^^ m:match:array:end -> m:match:array:end
+		#    ^^^^^  m:match:array:start -> m:match:array:start
+			print(start + end)
+			#     |   |   ^^^ -> m:match:array:end
+			#     ^^^^^ -> m:match:array:start
+		{ "name": var name }: 
+		#             ^^^^ m:match:dict:var -> m:match:dict:var
+			print(name)
+			#     ^^^^ -> m:match:dict:var
+		var whatever:
+		#   ^^^^^^^^ m:match:var -> m:match:var
+			print(whatever)
+			#     ^^^^^^^^ -> m:match:var
+
+func m2():
+	var value = 42 
+	#   ^^^^^ m2:value -> m2:value
+
+	match value: 
+	#     ^^^^^ -> m2:value
+		{ "name": var name }:
+		#             ^^^^ m2:match:dict:var -> m2:match:dict:var
+			print(name)
+			#     ^^^^ -> m2:match:dict:var
+		[var name, ..]:
+		#    ^^^^ m2:match:array:var -> m2:match:array:var
+			print(name)
+			#     ^^^^ -> m2:match:array:var
+		var name:
+		#   ^^^^ m2:match:var -> m2:match:var
+			print(name)
+			#     ^^^^ -> m2:match:var