-
-
Notifications
You must be signed in to change notification settings - Fork 373
/
GNU.pm6
89 lines (84 loc) · 2.36 KB
/
GNU.pm6
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
unit class NativeCall::Compiler::GNU;
use NativeCall::Types;
our sub mangle_cpp_symbol(Routine $r, $symbol) {
$r.signature.set_returns($r.package)
if $r.name eq 'new' && !$r.signature.has_returns && $r.package !~~ GLOBAL;
my $mangled = '_Z'
~ ($r.package.REPR eq 'CPPStruct' ?? 'N' !! '')
~ $symbol.split('::').map({$_ eq 'new' ?? 'C1' !! $_.chars ~ $_}).join('')
~ ($r.package.REPR eq 'CPPStruct' ?? 'E' !! '');
my @params = $r.signature.params;
if $r ~~ Method {
@params.shift;
@params.pop if @params.tail.name eq '%_';
}
my $params = join '', @params.map: {
my $R = $_.?cpp-ref ?? 'R' !! ''; # reference
my $P = .rw ?? 'P' !! ''; # pointer
my $K = ($R || $P) && $_.?cpp-const ?? 'K' !! ''; # const
cpp_param_letter(.type, :$R, :$P, :$K)
};
$mangled ~= $params || 'v';
}
sub cpp_param_letter($type, :$R = '', :$P = '', :$K = '') {
given $type {
when NativeCall::Types::void {
$R ~ $P ~ $K ~ 'v'
}
when Bool {
$R ~ $P ~ $K ~ 'b'
}
when int8 {
$R ~ $P ~ $K ~ 'c'
}
when uint8 {
$R ~ $P ~ $K ~ 'h'
}
when int16 {
$R ~ $P ~ $K ~ 's'
}
when uint16 {
$R ~ $P ~ $K ~ 't'
}
when int32 {
$R ~ $P ~ $K ~ 'i'
}
when uint32 {
$R ~ $P ~ $K ~ 'j'
}
when NativeCall::Types::long {
$R ~ $P ~ $K ~ 'l'
}
when NativeCall::Types::ulong {
$R ~ $P ~ $K ~ 'm'
}
when int64 {
$R ~ $P ~ $K ~ 'x'
}
when NativeCall::Types::longlong {
$R ~ $P ~ $K ~ 'x'
}
when uint64 {
$R ~ $P ~ $K ~ 'y'
}
when NativeCall::Types::ulonglong {
$R ~ $P ~ $K ~ 'y'
}
when num32 {
$R ~ $P ~ $K ~ 'f'
}
when num64 {
$R ~ $P ~ $K ~ 'd'
}
when Str {
'Pc'
}
when NativeCall::Types::CArray | NativeCall::Types::Pointer {
'P' ~ $K ~ cpp_param_letter(.of);
}
default {
my $name = .^name;
$R ~ $P ~ $K ~ $name.chars ~ $name;
}
}
}