Class ParseArgsCodeGen

Tools/clinic/libclinic/parse_args.py:193–1003

class ParseArgsCodeGen:
    func: Function
    codegen: CodeGen
    limited_capi: bool = False

    # Function parameters
    parameters: list[Parameter]
    self_parameter_converter: self_converter
    converters: list[CConverter]

    # Is 'defining_class' used for the first parameter?
    requires_defining_class: bool

    # Use METH_FASTCALL calling convention?
    fastcall: bool

    # Declaration of the return variable (ex: "int return_value;")
    return_value_declaration: str

    # Calling convention (ex: "METH_NOARGS")
    flags: str

    # Variables declarations
    declarations: str

    pos_only: int = 0
    min_pos: int = 0
    max_pos: int = 0
    min_kw_only: int = 0
    varpos: Parameter | None = None
    var_keyword: Parameter | None = None

    docstring_prototype: str
    docstring_definition: str
    impl_prototype: str | None
    impl_definition: str
    methoddef_define: str
    parser_prototype: str
    parser_definition: str
    cpp_if: str
    cpp_endif: str
    methoddef_ifndef: str

    parser_body_fields: tuple[str, ...]

    def __init__(self, func: Function, codegen: CodeGen) -> None:
        self.func = func
        self.codegen = codegen

        self.parameters = list(self.func.parameters.values())
        self_parameter = self.parameters.pop(0)
        if not isinstance(self_parameter.converter, self_converter):
            raise ValueError("the first parameter must use self_converter")
        self.self_parameter_converter = self_parameter.converter

        self.requires_defining_class = False
        if self.parameters and isinstance(self.parameters[0].converter, defining_class_converter):
            self.requires_defining_class = True