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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
//! Defines primitive types, which have a couple of peculiarities:
//!
//! * during type inference, they can be uncertain (ie, `let x = 92;`)
//! * they don't belong to any particular crate.
use std::fmt;
pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, FloatBitness, IntBitness, Signedness};
#[derive(Copy, Clone, Eq, PartialEq, Hash)]
pub struct IntTy {
pub signedness: Signedness,
pub bitness: IntBitness,
}
impl fmt::Debug for IntTy {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Display::fmt(self, f)
}
}
impl fmt::Display for IntTy {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.ty_to_string())
}
}
impl IntTy {
pub fn isize() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::Xsize }
}
pub fn i8() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::X8 }
}
pub fn i16() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::X16 }
}
pub fn i32() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::X32 }
}
pub fn i64() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::X64 }
}
pub fn i128() -> IntTy {
IntTy { signedness: Signedness::Signed, bitness: IntBitness::X128 }
}
pub fn usize() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::Xsize }
}
pub fn u8() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X8 }
}
pub fn u16() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X16 }
}
pub fn u32() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X32 }
}
pub fn u64() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X64 }
}
pub fn u128() -> IntTy {
IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X128 }
}
pub fn ty_to_string(self) -> &'static str {
match (self.signedness, self.bitness) {
(Signedness::Signed, IntBitness::Xsize) => "isize",
(Signedness::Signed, IntBitness::X8) => "i8",
(Signedness::Signed, IntBitness::X16) => "i16",
(Signedness::Signed, IntBitness::X32) => "i32",
(Signedness::Signed, IntBitness::X64) => "i64",
(Signedness::Signed, IntBitness::X128) => "i128",
(Signedness::Unsigned, IntBitness::Xsize) => "usize",
(Signedness::Unsigned, IntBitness::X8) => "u8",
(Signedness::Unsigned, IntBitness::X16) => "u16",
(Signedness::Unsigned, IntBitness::X32) => "u32",
(Signedness::Unsigned, IntBitness::X64) => "u64",
(Signedness::Unsigned, IntBitness::X128) => "u128",
}
}
}
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct FloatTy {
pub bitness: FloatBitness,
}
impl fmt::Debug for FloatTy {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Display::fmt(self, f)
}
}
impl fmt::Display for FloatTy {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.ty_to_string())
}
}
impl FloatTy {
pub fn f32() -> FloatTy {
FloatTy { bitness: FloatBitness::X32 }
}
pub fn f64() -> FloatTy {
FloatTy { bitness: FloatBitness::X64 }
}
pub fn ty_to_string(self) -> &'static str {
match self.bitness {
FloatBitness::X32 => "f32",
FloatBitness::X64 => "f64",
}
}
}
impl From<BuiltinInt> for IntTy {
fn from(t: BuiltinInt) -> Self {
IntTy { signedness: t.signedness, bitness: t.bitness }
}
}
impl From<BuiltinFloat> for FloatTy {
fn from(t: BuiltinFloat) -> Self {
FloatTy { bitness: t.bitness }
}
}
|
