difftastic/vendored_parsers/tree-sitter-vhdl/test/highlight/function_paramater_clause.vhdl

function p
    parameter (
        signal s : out     t;
                -- ^ error.illegal.mode
        signal s : inout   t;
                -- ^ error.illegal.mode
        signal s : buffer  t;
                -- ^ error.illegal.mode
        signal s : linkage t
                -- ^ error.illegal.mode
    ) return t;

function p
    parameter (signal s : t := expr) return t;
                            -- ^ error.illegal.default_expression

function p
    parameter (
        variable v : t;
     -- ^ error.illegal.interface.variable
        file f : t;
     -- ^ error.illegal.interface.file
        type t;
     -- ^ error.illegal.interface.type
        procedure p;
     -- ^ error.illegal.interface.procedure
        function  f return f;
     -- ^ error.illegal.interface.function
        package  pkg is new l.pkg
     -- ^ error.illegal.interface.package
    ) return t;