Merge pull request #70702 from vnen/gdscript-error-on-assign-void

GDScript: Error when assigning return value of void function

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.gd

@@ -0,0 +1,3 @@
+func test():
+	var builtin := []
+	print(builtin.reverse()) # Built-in type method.

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot get return value of call to "reverse()" because it returns "void".

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.gd

@@ -0,0 +1,5 @@
+func foo() -> void:
+	pass
+
+func test():
+	print(foo()) # Custom method.

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot get return value of call to "foo()" because it returns "void".

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.gd

@@ -0,0 +1,2 @@
+func test():
+	print(print_debug()) # GDScript utility function.

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot get return value of call to "print_debug()" because it returns "void".

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.gd

@@ -0,0 +1,3 @@
+func test():
+	var obj := Node.new()
+	print(obj.free()) # Native type method.

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot get return value of call to "free()" because it returns "void".

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.gd

@@ -0,0 +1,2 @@
+func test():
+	print(print()) # Built-in utility function.

modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot get return value of call to "print()" because it returns "void".