From a89e744ed0e8c759caf041a580112365bbfe4303 Mon Sep 17 00:00:00 2001
From: radiohotline <radoihotline@disroot.rg>
Date: Tue, 25 Aug 2026 16:33:56 +0300
Subject: escoria update

---
 .../src/core/parse/GdUnitExpressionRunner.gd       | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd

(limited to 'addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd')

diff --git a/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd
new file mode 100644
index 0000000..9faf830
--- /dev/null
+++ b/addons/gdUnit4/src/core/parse/GdUnitExpressionRunner.gd
@@ -0,0 +1,74 @@
+class_name GdUnitExpressionRunner
+extends RefCounted
+
+const CLASS_TEMPLATE = """
+class_name _ExpressionRunner extends '${clazz_path}'
+
+func __run_expression() -> Variant:
+	return $expression
+
+"""
+
+var constructor_args_regex := RegEx.create_from_string("new\\((?<args>.*)\\)")
+
+
+func execute(src_script: GDScript, value: Variant) -> Variant:
+	if typeof(value) != TYPE_STRING:
+		return value
+
+	var expression: String = value
+	var parameter_map := src_script.get_script_constant_map()
+	for key: String in parameter_map.keys():
+		var parameter_value: Variant = parameter_map[key]
+		# check we need to construct from inner class
+		# we need to use the original class instance from the script_constant_map otherwise we run into a runtime error
+		if expression.begins_with(key + ".new") and parameter_value is GDScript:
+			var object: GDScript = parameter_value
+			var args := build_constructor_arguments(parameter_map, expression.substr(expression.find("new")))
+			if args.is_empty():
+				return object.new()
+			return object.callv("new", args)
+
+	var script := GDScript.new()
+	var resource_path := "res://addons/gdUnit4/src/Fuzzers.gd" if src_script.resource_path.is_empty() else src_script.resource_path
+	script.source_code = CLASS_TEMPLATE.dedent()\
+		.replace("${clazz_path}", resource_path)\
+		.replace("$expression", expression)
+	#script.take_over_path(resource_path)
+	@warning_ignore("return_value_discarded")
+	script.reload(true)
+	var runner: Object = script.new()
+	if runner.has_method("queue_free"):
+		(runner as Node).queue_free()
+	@warning_ignore("unsafe_method_access")
+	return runner.__run_expression()
+
+
+func build_constructor_arguments(parameter_map: Dictionary, expression: String) -> Array[Variant]:
+	var result := constructor_args_regex.search(expression)
+	var extracted_arguments := result.get_string("args").strip_edges()
+	if extracted_arguments.is_empty():
+		return []
+	var arguments :Array = extracted_arguments.split(",")
+	return arguments.map(func(argument: String) -> Variant:
+		var value := argument.strip_edges()
+
+		# is argument an constant value
+		if parameter_map.has(value):
+			return parameter_map[value]
+		# is typed named value like Vector3.ONE
+		for type:int in GdObjects.TYPE_AS_STRING_MAPPINGS:
+			var type_as_string:String = GdObjects.TYPE_AS_STRING_MAPPINGS[type]
+			if value.begins_with(type_as_string):
+				return type_convert(value, type)
+		# is value a string
+		if value.begins_with("'") or value.begins_with('"'):
+			return value.trim_prefix("'").trim_suffix("'").trim_prefix('"').trim_suffix('"')
+		# fallback to default value converting
+		return str_to_var(value)
+	)
+
+
+func to_fuzzer(src_script: GDScript, expression: String) -> Fuzzer:
+	@warning_ignore("unsafe_cast")
+	return execute(src_script, expression) as Fuzzer
-- 
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