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MovementTests/addons/gdUnit4/src/core/parse/GdScriptParser.gd
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GDScript

class_name GdScriptParser
extends RefCounted
const GdUnitTools := preload("res://addons/gdUnit4/src/core/GdUnitTools.gd")
const TYPE_VOID = GdObjects.TYPE_VOID
const TYPE_VARIANT = GdObjects.TYPE_VARIANT
const TYPE_VARARG = GdObjects.TYPE_VARARG
const TYPE_FUNC = GdObjects.TYPE_FUNC
const TYPE_FUZZER = GdObjects.TYPE_FUZZER
const TYPE_ENUM = GdObjects.TYPE_ENUM
var TOKEN_NOT_MATCH := Token.new("")
var TOKEN_SPACE := SkippableToken.new(" ")
var TOKEN_TABULATOR := SkippableToken.new("\t")
var TOKEN_NEW_LINE := SkippableToken.new("\n")
var TOKEN_COMMENT := SkippableToken.new("#")
var TOKEN_CLASS_NAME := RegExToken.new("class_name", GdUnitTools.to_regex("(class_name)\\s+([\\w\\p{L}\\p{N}_]+) (extends[a-zA-Z]+:)|(class_name)\\s+([\\w\\p{L}\\p{N}_]+)"), 5)
var TOKEN_INNER_CLASS := TokenInnerClass.new("class", GdUnitTools.to_regex("(class)\\s+(\\w\\p{L}\\p{N}_]+) (extends[a-zA-Z]+:)|(class)\\s+([\\w\\p{L}\\p{N}_]+)"), 5)
var TOKEN_EXTENDS := RegExToken.new("extends", GdUnitTools.to_regex("extends\\s+"))
var TOKEN_ENUM := RegExToken.new("enum", GdUnitTools.to_regex("enum\\s+"))
var TOKEN_FUNCTION_STATIC_DECLARATION := RegExToken.new("static func", GdUnitTools.to_regex("^static\\s+func\\s+([\\w\\p{L}\\p{N}_]+)"), 1)
var TOKEN_FUNCTION_DECLARATION := RegExToken.new("func", GdUnitTools.to_regex("^func\\s+([\\w\\p{L}\\p{N}_]+)"), 1)
var TOKEN_FUNCTION := Token.new(".")
var TOKEN_FUNCTION_RETURN_TYPE := Token.new("->")
var TOKEN_FUNCTION_END := Token.new("):")
var TOKEN_ARGUMENT_ASIGNMENT := Token.new("=")
var TOKEN_ARGUMENT_TYPE_ASIGNMENT := Token.new(":=")
var TOKEN_ARGUMENT_FUZZER := FuzzerToken.new(GdUnitTools.to_regex("((?!(fuzzer_(seed|iterations)))fuzzer?\\w+)( ?+= ?+| ?+:= ?+| ?+:Fuzzer ?+= ?+|)"))
var TOKEN_ARGUMENT_TYPE := Token.new(":")
var TOKEN_ARGUMENT_VARIADIC := Token.new("...")
var TOKEN_ARGUMENT_SEPARATOR := Token.new(",")
var TOKEN_BRACKET_ROUND_OPEN := Token.new("(")
var TOKEN_BRACKET_ROUND_CLOSE := Token.new(")")
var TOKEN_BRACKET_SQUARE_OPEN := Token.new("[")
var TOKEN_BRACKET_SQUARE_CLOSE := Token.new("]")
var TOKEN_BRACKET_CURLY_OPEN := Token.new("{")
var TOKEN_BRACKET_CURLY_CLOSE := Token.new("}")
var OPERATOR_ADD := Operator.new("+")
var OPERATOR_SUB := Operator.new("-")
var OPERATOR_MUL := Operator.new("*")
var OPERATOR_DIV := Operator.new("/")
var OPERATOR_REMAINDER := Operator.new("%")
var TOKENS :Array[Token] = [
TOKEN_SPACE,
TOKEN_TABULATOR,
TOKEN_NEW_LINE,
TOKEN_COMMENT,
TOKEN_BRACKET_ROUND_OPEN,
TOKEN_BRACKET_ROUND_CLOSE,
TOKEN_BRACKET_SQUARE_OPEN,
TOKEN_BRACKET_SQUARE_CLOSE,
TOKEN_BRACKET_CURLY_OPEN,
TOKEN_BRACKET_CURLY_CLOSE,
TOKEN_CLASS_NAME,
TOKEN_INNER_CLASS,
TOKEN_EXTENDS,
TOKEN_ENUM,
TOKEN_FUNCTION_STATIC_DECLARATION,
TOKEN_FUNCTION_DECLARATION,
TOKEN_ARGUMENT_FUZZER,
TOKEN_ARGUMENT_TYPE_ASIGNMENT,
TOKEN_ARGUMENT_ASIGNMENT,
TOKEN_ARGUMENT_TYPE,
TOKEN_ARGUMENT_VARIADIC,
TOKEN_FUNCTION,
TOKEN_ARGUMENT_SEPARATOR,
TOKEN_FUNCTION_RETURN_TYPE,
OPERATOR_ADD,
OPERATOR_SUB,
OPERATOR_MUL,
OPERATOR_DIV,
OPERATOR_REMAINDER,
]
var _regex_strip_comments := GdUnitTools.to_regex("^([^#\"']|'[^']*'|\"[^\"]*\")*\\K#.*")
var _scanned_inner_classes := PackedStringArray()
var _script_constants := {}
var _is_awaiting := GdUnitTools.to_regex("\\bawait\\s+(?![^\"]*\"[^\"]*$)(?!.*#.*await)")
static func to_unix_format(input :String) -> String:
return input.replace("\r\n", "\n")
class Token extends RefCounted:
var _token: String
var _consumed: int
var _is_operator: bool
func _init(p_token: String, p_is_operator := false) -> void:
_token = p_token
_is_operator = p_is_operator
_consumed = p_token.length()
func match(input: String, pos: int) -> bool:
return input.findn(_token, pos) == pos
func value() -> Variant:
return _token
func is_operator() -> bool:
return _is_operator
func is_inner_class() -> bool:
return _token == "class"
func is_variable() -> bool:
return false
func is_token(token_name :String) -> bool:
return _token == token_name
func is_skippable() -> bool:
return false
func _to_string() -> String:
return "Token{" + _token + "}"
class Operator extends Token:
func _init(p_value: String) -> void:
super(p_value, true)
func _to_string() -> String:
return "OperatorToken{%s}" % [_token]
# A skippable token, is just a placeholder like space or tabs
class SkippableToken extends Token:
func _init(p_token: String) -> void:
super(p_token)
func is_skippable() -> bool:
return true
# Token to parse function arguments
class Variable extends Token:
var _plain_value :String
var _typed_value :Variant
var _type :int = TYPE_NIL
func _init(p_value: String) -> void:
super(p_value)
_type = _scan_type(p_value)
_plain_value = p_value
_typed_value = _cast_to_type(p_value, _type)
func _scan_type(p_value: String) -> int:
if p_value.begins_with("\"") and p_value.ends_with("\""):
return TYPE_STRING
var type_ := GdObjects.string_to_type(p_value)
if type_ != TYPE_NIL:
return type_
if p_value.is_valid_int():
return TYPE_INT
if p_value.is_valid_float():
return TYPE_FLOAT
if p_value.is_valid_hex_number():
return TYPE_INT
return TYPE_OBJECT
func _cast_to_type(p_value :String, p_type: int) -> Variant:
match p_type:
TYPE_STRING:
return p_value#.substr(1, p_value.length() - 2)
TYPE_INT:
return p_value.to_int()
TYPE_FLOAT:
return p_value.to_float()
return p_value
func is_variable() -> bool:
return true
func type() -> int:
return _type
func value() -> Variant:
return _typed_value
func plain_value() -> String:
return _plain_value
func _to_string() -> String:
return "Variable{%s: %s : '%s'}" % [_plain_value, GdObjects.type_as_string(_type), _token]
class RegExToken extends Token:
var _regex: RegEx
var _extract_group_index: int
var _value := ""
func _init(token: String, regex: RegEx, extract_group_index: int = -1) -> void:
super(token, false)
_regex = regex
_extract_group_index = extract_group_index
func match(input: String, pos: int) -> bool:
var matching := _regex.search(input, pos)
if matching == null or pos != matching.get_start():
return false
if _extract_group_index != -1:
_value = matching.get_string(_extract_group_index)
_consumed = matching.get_end() - matching.get_start()
return true
func value() -> String:
return _value
# Token to parse Fuzzers
class FuzzerToken extends RegExToken:
func _init(regex: RegEx) -> void:
super("fuzzer", regex, 1)
func name() -> String:
return value()
func type() -> int:
return GdObjects.TYPE_FUZZER
func _to_string() -> String:
return "FuzzerToken{%s: '%s'}" % [value(), _token]
class TokenInnerClass extends RegExToken:
var _content := PackedStringArray()
static func _strip_leading_spaces(input: String) -> String:
var characters := input.to_utf8_buffer()
while not characters.is_empty():
if characters[0] != 0x20:
break
characters.remove_at(0)
return characters.get_string_from_utf8()
static func _consumed_bytes(row: String) -> int:
return row.replace(" ", "").replace(" ", "").length()
func _init(token: String, p_regex: RegEx, extract_group_index: int = -1) -> void:
super(token, p_regex, extract_group_index)
func is_class_name(clazz_name: String) -> bool:
return value() == clazz_name
func content() -> PackedStringArray:
return _content
@warning_ignore_start("return_value_discarded")
func parse(source_rows: PackedStringArray, offset: int) -> void:
# add class signature
_content.clear()
_content.append(source_rows[offset])
# parse class content
for row_index in range(offset+1, source_rows.size()):
# scan until next non tab
var source_row := source_rows[row_index]
var row := TokenInnerClass._strip_leading_spaces(source_row)
if row.is_empty() or row.begins_with("\t") or row.begins_with("#"):
# fold all line to left by removing leading tabs and spaces
if source_row.begins_with("\t"):
source_row = source_row.trim_prefix("\t")
# refomat invalid empty lines
if source_row.dedent().is_empty():
_content.append("")
else:
_content.append(source_row)
continue
break
_consumed += TokenInnerClass._consumed_bytes("".join(_content))
@warning_ignore_restore("return_value_discarded")
func _to_string() -> String:
return "TokenInnerClass{%s}" % [value()]
func get_token(input: String, current_index: int) -> Token:
for t in TOKENS:
if t.match(input, current_index):
return t
return TOKEN_NOT_MATCH
func next_token(input: String, current_index: int, ignore_tokens :Array[Token] = []) -> Token:
var token := TOKEN_NOT_MATCH
for t :Token in TOKENS.filter(func(t :Token) -> bool: return not ignore_tokens.has(t)):
if t.match(input, current_index):
token = t
break
if token == OPERATOR_SUB:
token = tokenize_value(input, current_index, token)
if token == TOKEN_NOT_MATCH:
return tokenize_value(input, current_index, token, ignore_tokens.has(TOKEN_FUNCTION))
return token
func tokenize_value(input: String, current: int, token: Token, ignore_dots := false) -> Token:
var next := 0
var current_token := ""
# test for '--', '+-', '*-', '/-', '%-', or at least '-x'
var test_for_sign := (token == null or token.is_operator()) and input[current] == "-"
while current + next < len(input):
var character := input[current + next] as String
# if first charater a sign
# or allowend charset
# or is a float value
if (test_for_sign and next==0) \
or is_allowed_character(character) \
or (character == "." and (ignore_dots or current_token.is_valid_int())):
current_token += character
next += 1
continue
break
if current_token != "":
return Variable.new(current_token)
return TOKEN_NOT_MATCH
# const ALLOWED_CHARACTERS := "0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\""
func is_allowed_character(input: String) -> bool:
var code_point := input.unicode_at(0)
# Unicode
if code_point > 127:
# This is a Unicode character (Chinese, Japanese, etc.)
return true
# ASCII digit 0-9
if code_point >= 48 and code_point <= 57:
return true
# ASCII lowercase a-z
if code_point >= 97 and code_point <= 122:
return true
# ASCII uppercase A-Z
if code_point >= 65 and code_point <= 90:
return true
# underscore _
if code_point == 95:
return true
# quotes '"
if code_point == 34 or code_point == 39:
return true
return false
func parse_return_token(input: String) -> Variable:
var index := input.rfind(TOKEN_FUNCTION_RETURN_TYPE._token)
if index == -1:
return TOKEN_NOT_MATCH
index += TOKEN_FUNCTION_RETURN_TYPE._consumed
# We scan for the return value exclusive '.' token because it could be referenced to a
# external or internal class e.g. 'func foo() -> InnerClass.Bar:'
var token := next_token(input, index, [TOKEN_FUNCTION])
while !token.is_variable() and token != TOKEN_NOT_MATCH:
index += token._consumed
token = next_token(input, index, [TOKEN_FUNCTION])
return token
func get_function_descriptors(script: GDScript, included_functions: PackedStringArray = []) -> Array[GdFunctionDescriptor]:
var fds: Array[GdFunctionDescriptor] = []
for method_descriptor in script.get_script_method_list():
var func_name: String = method_descriptor["name"]
if included_functions.is_empty() or func_name in included_functions:
# exclude type set/geters
if is_getter_or_setter(func_name):
continue
if not fds.any(func(fd: GdFunctionDescriptor) -> bool: return fd.name() == func_name):
fds.append(GdFunctionDescriptor.extract_from(method_descriptor, false))
# we need to enrich it by default arguments and line number by parsing the script
# the engine core functions has no valid methods to get this info
_prescan_script(script)
_enrich_function_descriptor(script, fds)
return fds
func is_getter_or_setter(func_name: String) -> bool:
return func_name.begins_with("@") and (func_name.ends_with("getter") or func_name.ends_with("setter"))
func _parse_function_arguments(input: String) -> Array[Dictionary]:
var arguments: Array[Dictionary] = []
var current_index := 0
var token: Token = null
var bracket := 0
var in_function := false
while current_index < len(input):
token = next_token(input, current_index)
# fallback to not end in a endless loop
if token == TOKEN_NOT_MATCH:
var error : = """
Parsing Error: Invalid token at pos %d found.
Please report this error!
source_code:
--------------------------------------------------------------
%s
--------------------------------------------------------------
""".dedent() % [current_index, input]
push_error(error)
current_index += 1
continue
current_index += token._consumed
if token.is_skippable():
continue
if token == TOKEN_BRACKET_ROUND_OPEN :
in_function = true
bracket += 1
if token == TOKEN_BRACKET_ROUND_CLOSE:
bracket -= 1
# if function end?
if in_function and bracket == 0:
return arguments
# is function
if token == TOKEN_FUNCTION_DECLARATION:
continue
# is value argument
if in_function:
var arg_value := ""
var current_argument := {
"name" : "",
"value" : GdFunctionArgument.UNDEFINED,
"type" : TYPE_VARIANT
}
# parse type and default value
while current_index < len(input):
token = next_token(input, current_index)
current_index += token._consumed
if token.is_skippable():
continue
if token.is_variable() && current_argument["name"] == "":
arguments.append(current_argument)
current_argument["name"] = (token as Variable).plain_value()
continue
match token:
# is fuzzer argument
TOKEN_ARGUMENT_FUZZER:
arg_value = _parse_end_function(input.substr(current_index), true)
current_index += arg_value.length()
current_argument["name"] = (token as FuzzerToken).name()
current_argument["value"] = arg_value.lstrip(" ")
current_argument["type"] = TYPE_FUZZER
arguments.append(current_argument)
continue
TOKEN_ARGUMENT_VARIADIC:
current_argument["type"] = TYPE_VARARG
TOKEN_ARGUMENT_TYPE:
token = next_token(input, current_index)
if token == TOKEN_SPACE:
current_index += token._consumed
token = next_token(input, current_index)
current_index += token._consumed
if current_argument["type"] != TYPE_VARARG:
current_argument["type"] = GdObjects.string_to_type((token as Variable).plain_value())
TOKEN_ARGUMENT_TYPE_ASIGNMENT:
arg_value = _parse_end_function(input.substr(current_index), true)
current_index += arg_value.length()
current_argument["value"] = arg_value.lstrip(" ")
TOKEN_ARGUMENT_ASIGNMENT:
token = next_token(input, current_index)
arg_value = _parse_end_function(input.substr(current_index), true)
current_index += arg_value.length()
current_argument["value"] = arg_value.lstrip(" ")
TOKEN_BRACKET_SQUARE_OPEN:
bracket += 1
TOKEN_BRACKET_CURLY_OPEN:
bracket += 1
TOKEN_BRACKET_ROUND_OPEN :
bracket += 1
# if value a function?
if bracket > 1:
# complete the argument value
var func_begin := input.substr(current_index-TOKEN_BRACKET_ROUND_OPEN ._consumed)
var func_body := _parse_end_function(func_begin)
arg_value += func_body
# fix parse index to end of value
current_index += func_body.length() - TOKEN_BRACKET_ROUND_OPEN ._consumed - TOKEN_BRACKET_ROUND_CLOSE._consumed
TOKEN_BRACKET_SQUARE_CLOSE:
bracket -= 1
TOKEN_BRACKET_CURLY_CLOSE:
bracket -= 1
TOKEN_BRACKET_ROUND_CLOSE:
bracket -= 1
# end of function
if bracket == 0:
break
TOKEN_ARGUMENT_SEPARATOR:
if bracket <= 1:
# next argument
current_argument = {
"name" : "",
"value" : GdFunctionArgument.UNDEFINED,
"type" : GdObjects.TYPE_VARIANT
}
continue
return arguments
func _parse_end_function(input: String, remove_trailing_char := false) -> String:
# find end of function
var current_index := 0
var bracket_count := 0
var in_array := 0
var in_dict := 0
var end_of_func := false
while current_index < len(input) and not end_of_func:
var character := input[current_index]
# step over strings
if character == "'" :
current_index = input.find("'", current_index+1) + 1
if current_index == 0:
push_error("Parsing error on '%s', can't evaluate end of string." % input)
return ""
continue
if character == '"' :
# test for string blocks
if input.find('"""', current_index) == current_index:
current_index = input.find('"""', current_index+3) + 3
else:
current_index = input.find('"', current_index+1) + 1
if current_index == 0:
push_error("Parsing error on '%s', can't evaluate end of string." % input)
return ""
continue
match character:
# count if inside an array
"[": in_array += 1
"]": in_array -= 1
# count if inside an dictionary
"{": in_dict += 1
"}": in_dict -= 1
# count if inside a function
"(": bracket_count += 1
")":
bracket_count -= 1
if bracket_count < 0 and in_array <= 0 and in_dict <= 0:
end_of_func = true
",":
if bracket_count == 0 and in_array == 0 and in_dict <= 0:
end_of_func = true
current_index += 1
if remove_trailing_char:
# check if the parsed value ends with comma or end of doubled breaked
# `<value>,` or `<function>())`
var trailing_char := input[current_index-1]
if trailing_char == ',' or (bracket_count < 0 and trailing_char == ')'):
return input.substr(0, current_index-1)
return input.substr(0, current_index)
func extract_inner_class(source_rows: PackedStringArray, clazz_name :String) -> PackedStringArray:
for row_index in source_rows.size():
var input := source_rows[row_index]
var token := next_token(input, 0)
if token.is_inner_class():
@warning_ignore("unsafe_method_access")
if token.is_class_name(clazz_name):
@warning_ignore("unsafe_method_access")
token.parse(source_rows, row_index)
@warning_ignore("unsafe_method_access")
return token.content()
return PackedStringArray()
func extract_func_signature(rows: PackedStringArray, index: int) -> String:
var signature := ""
for rowIndex in range(index, rows.size()):
var row := rows[rowIndex]
row = _regex_strip_comments.sub(row, "").strip_edges(false)
if row.is_empty():
continue
signature += row + "\n"
if is_func_end(row):
return signature.strip_edges()
push_error("Can't fully extract function signature of '%s'" % rows[index])
return ""
func get_class_name(script :GDScript) -> String:
var source_code := GdScriptParser.to_unix_format(script.source_code)
var source_rows := source_code.split("\n")
for index :int in min(10, source_rows.size()):
var input := source_rows[index]
var token := next_token(input, 0)
if token == TOKEN_CLASS_NAME:
return token.value()
# if no class_name found extract from file name
return GdObjects.to_pascal_case(script.resource_path.get_basename().get_file())
func parse_func_name(input: String) -> String:
if TOKEN_FUNCTION_DECLARATION.match(input, 0):
return TOKEN_FUNCTION_DECLARATION.value()
if TOKEN_FUNCTION_STATIC_DECLARATION.match(input, 0):
return TOKEN_FUNCTION_STATIC_DECLARATION.value()
push_error("Can't extract function name from '%s'" % input)
return ""
## Enriches the function descriptor by line number and argument default values
## - enrich all function descriptors form current script up to all inherited scrips
func _enrich_function_descriptor(script: GDScript, fds: Array[GdFunctionDescriptor]) -> void:
var enriched_functions := {} # Use Dictionary for O(1) lookup instead of PackedStringArray
var script_to_scan := script
while script_to_scan != null:
# do not scan the test suite base class itself
if script_to_scan.resource_path == "res://addons/gdUnit4/src/GdUnitTestSuite.gd":
break
var rows := script_to_scan.source_code.split("\n")
for rowIndex in rows.size():
var input := rows[rowIndex]
# step over inner class functions
if input.begins_with("\t"):
continue
# skip comments and empty lines
if input.begins_with("#") or input.length() == 0:
continue
var token := next_token(input, 0)
if token != TOKEN_FUNCTION_STATIC_DECLARATION and token != TOKEN_FUNCTION_DECLARATION:
continue
var function_name: String = token.value()
# Skip if already enriched (from parent class scan)
if enriched_functions.has(function_name):
continue
# Find matching function descriptor
var fd: GdFunctionDescriptor = null
for candidate in fds:
if candidate.name() == function_name:
fd = candidate
break
if fd == null:
continue
# Mark as enriched
enriched_functions[function_name] = true
var func_signature := extract_func_signature(rows, rowIndex)
var func_arguments := _parse_function_arguments(func_signature)
# enrich missing default values
fd.enrich_arguments(func_arguments)
fd.enrich_file_info(script_to_scan.resource_path, rowIndex + 1)
fd._is_coroutine = is_func_coroutine(rows, rowIndex)
# enrich return class name if not set
if fd.return_type() == TYPE_OBJECT and fd._return_class in ["", "Resource", "RefCounted"]:
var var_token := parse_return_token(func_signature)
if var_token != TOKEN_NOT_MATCH and var_token.type() == TYPE_OBJECT:
fd._return_class = _patch_inner_class_names(var_token.plain_value(), "")
# if the script ihnerits we need to scan this also
script_to_scan = script_to_scan.get_base_script()
func is_func_coroutine(rows :PackedStringArray, index :int) -> bool:
var is_coroutine := false
for rowIndex in range(index+1, rows.size()):
var input := rows[rowIndex].strip_edges()
if input.begins_with("#") or input.is_empty():
continue
var token := next_token(input, 0)
# scan until next function
if token == TOKEN_FUNCTION_STATIC_DECLARATION or token == TOKEN_FUNCTION_DECLARATION:
break
if _is_awaiting.search(input):
return true
return is_coroutine
func is_inner_class(clazz_path :PackedStringArray) -> bool:
return clazz_path.size() > 1
func is_func_end(row :String) -> bool:
return row.strip_edges(false, true).ends_with(":")
func _patch_inner_class_names(clazz :String, clazz_name :String = "") -> String:
var inner_clazz_name := clazz.split(".")[0]
if _scanned_inner_classes.has(inner_clazz_name):
return inner_clazz_name
#var base_clazz := clazz_name.split(".")[0]
#return base_clazz + "." + clazz
if _script_constants.has(clazz):
return clazz_name + "." + clazz
return clazz
func _prescan_script(script: GDScript) -> void:
_script_constants = script.get_script_constant_map()
for key :String in _script_constants.keys():
var value :Variant = _script_constants.get(key)
if value is GDScript:
@warning_ignore("return_value_discarded")
_scanned_inner_classes.append(key)
func parse(clazz_name :String, clazz_path :PackedStringArray) -> GdUnitResult:
if clazz_path.is_empty():
return GdUnitResult.error("Invalid script path '%s'" % clazz_path)
var is_inner_class_ := is_inner_class(clazz_path)
var script :GDScript = load(clazz_path[0])
_prescan_script(script)
if is_inner_class_:
var inner_class_name := clazz_path[1]
if _scanned_inner_classes.has(inner_class_name):
# do load only on inner class source code and enrich the stored script instance
var source_code := _load_inner_class(script, inner_class_name)
script = _script_constants.get(inner_class_name)
script.source_code = source_code
var function_descriptors := get_function_descriptors(script)
var gd_class := GdClassDescriptor.new(clazz_name, is_inner_class_, function_descriptors)
return GdUnitResult.success(gd_class)
func _load_inner_class(script: GDScript, inner_clazz: String) -> String:
var source_rows := GdScriptParser.to_unix_format(script.source_code).split("\n")
# extract all inner class names
var inner_class_code := extract_inner_class(source_rows, inner_clazz)
return "\n".join(inner_class_code)