lib-ruby-parser 3.0.5

Ruby parser
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92

use crate::containers::list::external::ListBlob;
use std::ffi::c_void;

pub type DropPtrFn = extern "C" fn(*mut c_void);
pub type DropInPlaceFn = extern "C" fn(ptr: *mut c_void);
pub type DropListBlobFn = unsafe extern "C" fn(blob: ListBlob, drop_item_in_place: DropInPlaceFn);

pub trait GetDropFn {
    fn get_drop_ptr_fn() -> DropPtrFn;
    fn get_drop_ptr_in_place_fn() -> DropInPlaceFn;
    fn get_drop_list_blob_fn() -> DropListBlobFn;
}

macro_rules! define_deleter_impl {
    ($t:ty, $drop_ptr_fn:ident, $drop_ptr_in_place_fn:ident, $drop_list_fn:ident) => {
        extern "C" fn $drop_ptr_fn(ptr: *mut c_void) {
            drop(unsafe { Box::from_raw(ptr as *mut $t) })
        }

        extern "C" fn $drop_ptr_in_place_fn(ptr: *mut c_void) {
            let ptr = ptr as *mut $t;
            unsafe { std::ptr::drop_in_place(ptr) };
        }

        extern "C" {
            fn $drop_list_fn(blob: ListBlob, drop_item_in_place: DropInPlaceFn);
        }

        impl GetDropFn for $t {
            fn get_drop_ptr_fn() -> DropPtrFn {
                $drop_ptr_fn
            }

            fn get_drop_ptr_in_place_fn() -> DropInPlaceFn {
                $drop_ptr_in_place_fn
            }

            fn get_drop_list_blob_fn() -> DropListBlobFn {
                $drop_list_fn
            }
        }
    };
}

define_deleter_impl!(
    crate::Token,
    lib_ruby_parser_containers_drop_ptr_token,
    lib_ruby_parser_containers_drop_ptr_in_place_token,
    lib_ruby_parser_containers_token_list_blob_free
);
define_deleter_impl!(
    crate::Node,
    lib_ruby_parser_containers_drop_ptr_node,
    lib_ruby_parser_containers_drop_ptr_in_place_node,
    lib_ruby_parser_containers_node_list_blob_free
);
define_deleter_impl!(
    u8,
    lib_ruby_parser_containers_drop_ptr_u8,
    lib_ruby_parser_containers_drop_ptr_in_place_u8,
    lib_ruby_parser_containers_byte_list_blob_free
);
define_deleter_impl!(
    u64,
    lib_ruby_parser_containers_drop_ptr_u64,
    lib_ruby_parser_containers_drop_ptr_in_place_u64,
    lib_ruby_parser_containers_u64_list_blob_free
);
define_deleter_impl!(
    crate::Diagnostic,
    lib_ruby_parser_containers_drop_ptr_diagnostic,
    lib_ruby_parser_containers_drop_ptr_in_place_diagnostic,
    lib_ruby_parser_containers_diagnostic_list_blob_free
);
define_deleter_impl!(
    crate::source::Comment,
    lib_ruby_parser_containers_drop_ptr_comment,
    lib_ruby_parser_containers_drop_ptr_in_place_comment,
    lib_ruby_parser_containers_comment_list_blob_free
);
define_deleter_impl!(
    crate::source::MagicComment,
    lib_ruby_parser_containers_drop_ptr_magic_comment,
    lib_ruby_parser_containers_drop_ptr_in_place_magic_comment,
    lib_ruby_parser_containers_magic_comment_list_blob_free
);
define_deleter_impl!(
    crate::source::SourceLine,
    lib_ruby_parser_containers_drop_ptr_source_line,
    lib_ruby_parser_containers_drop_ptr_in_place_source_line,
    lib_ruby_parser_containers_source_line_list_blob_free
);