diff options
Diffstat (limited to 'crates/hir_ty/src/primitive.rs')
-rw-r--r-- | crates/hir_ty/src/primitive.rs | 160 |
1 files changed, 43 insertions, 117 deletions
diff --git a/crates/hir_ty/src/primitive.rs b/crates/hir_ty/src/primitive.rs index 37966b709..2449addfb 100644 --- a/crates/hir_ty/src/primitive.rs +++ b/crates/hir_ty/src/primitive.rs | |||
@@ -3,137 +3,63 @@ | |||
3 | //! * during type inference, they can be uncertain (ie, `let x = 92;`) | 3 | //! * during type inference, they can be uncertain (ie, `let x = 92;`) |
4 | //! * they don't belong to any particular crate. | 4 | //! * they don't belong to any particular crate. |
5 | 5 | ||
6 | use std::fmt; | 6 | pub use chalk_ir::{FloatTy, IntTy, UintTy}; |
7 | 7 | pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint}; | |
8 | pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, FloatBitness, IntBitness, Signedness}; | 8 | |
9 | 9 | pub fn int_ty_to_string(ty: IntTy) -> &'static str { | |
10 | #[derive(Copy, Clone, Eq, PartialEq, Hash)] | 10 | match ty { |
11 | pub struct IntTy { | 11 | IntTy::Isize => "isize", |
12 | pub signedness: Signedness, | 12 | IntTy::I8 => "i8", |
13 | pub bitness: IntBitness, | 13 | IntTy::I16 => "i16", |
14 | } | 14 | IntTy::I32 => "i32", |
15 | 15 | IntTy::I64 => "i64", | |
16 | impl fmt::Debug for IntTy { | 16 | IntTy::I128 => "i128", |
17 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
18 | fmt::Display::fmt(self, f) | ||
19 | } | ||
20 | } | ||
21 | |||
22 | impl fmt::Display for IntTy { | ||
23 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
24 | write!(f, "{}", self.ty_to_string()) | ||
25 | } | ||
26 | } | ||
27 | |||
28 | impl IntTy { | ||
29 | pub fn isize() -> IntTy { | ||
30 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::Xsize } | ||
31 | } | ||
32 | |||
33 | pub fn i8() -> IntTy { | ||
34 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::X8 } | ||
35 | } | ||
36 | |||
37 | pub fn i16() -> IntTy { | ||
38 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::X16 } | ||
39 | } | ||
40 | |||
41 | pub fn i32() -> IntTy { | ||
42 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::X32 } | ||
43 | } | ||
44 | |||
45 | pub fn i64() -> IntTy { | ||
46 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::X64 } | ||
47 | } | ||
48 | |||
49 | pub fn i128() -> IntTy { | ||
50 | IntTy { signedness: Signedness::Signed, bitness: IntBitness::X128 } | ||
51 | } | 17 | } |
52 | |||
53 | pub fn usize() -> IntTy { | ||
54 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::Xsize } | ||
55 | } | ||
56 | |||
57 | pub fn u8() -> IntTy { | ||
58 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X8 } | ||
59 | } | ||
60 | |||
61 | pub fn u16() -> IntTy { | ||
62 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X16 } | ||
63 | } | ||
64 | |||
65 | pub fn u32() -> IntTy { | ||
66 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X32 } | ||
67 | } | ||
68 | |||
69 | pub fn u64() -> IntTy { | ||
70 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X64 } | ||
71 | } | ||
72 | |||
73 | pub fn u128() -> IntTy { | ||
74 | IntTy { signedness: Signedness::Unsigned, bitness: IntBitness::X128 } | ||
75 | } | ||
76 | |||
77 | pub fn ty_to_string(self) -> &'static str { | ||
78 | match (self.signedness, self.bitness) { | ||
79 | (Signedness::Signed, IntBitness::Xsize) => "isize", | ||
80 | (Signedness::Signed, IntBitness::X8) => "i8", | ||
81 | (Signedness::Signed, IntBitness::X16) => "i16", | ||
82 | (Signedness::Signed, IntBitness::X32) => "i32", | ||
83 | (Signedness::Signed, IntBitness::X64) => "i64", | ||
84 | (Signedness::Signed, IntBitness::X128) => "i128", | ||
85 | (Signedness::Unsigned, IntBitness::Xsize) => "usize", | ||
86 | (Signedness::Unsigned, IntBitness::X8) => "u8", | ||
87 | (Signedness::Unsigned, IntBitness::X16) => "u16", | ||
88 | (Signedness::Unsigned, IntBitness::X32) => "u32", | ||
89 | (Signedness::Unsigned, IntBitness::X64) => "u64", | ||
90 | (Signedness::Unsigned, IntBitness::X128) => "u128", | ||
91 | } | ||
92 | } | ||
93 | } | ||
94 | |||
95 | #[derive(Copy, Clone, PartialEq, Eq, Hash)] | ||
96 | pub struct FloatTy { | ||
97 | pub bitness: FloatBitness, | ||
98 | } | 18 | } |
99 | 19 | ||
100 | impl fmt::Debug for FloatTy { | 20 | pub fn uint_ty_to_string(ty: UintTy) -> &'static str { |
101 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | 21 | match ty { |
102 | fmt::Display::fmt(self, f) | 22 | UintTy::Usize => "usize", |
23 | UintTy::U8 => "u8", | ||
24 | UintTy::U16 => "u16", | ||
25 | UintTy::U32 => "u32", | ||
26 | UintTy::U64 => "u64", | ||
27 | UintTy::U128 => "u128", | ||
103 | } | 28 | } |
104 | } | 29 | } |
105 | 30 | ||
106 | impl fmt::Display for FloatTy { | 31 | pub fn float_ty_to_string(ty: FloatTy) -> &'static str { |
107 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | 32 | match ty { |
108 | write!(f, "{}", self.ty_to_string()) | 33 | FloatTy::F32 => "f32", |
34 | FloatTy::F64 => "f64", | ||
109 | } | 35 | } |
110 | } | 36 | } |
111 | 37 | ||
112 | impl FloatTy { | 38 | pub(super) fn int_ty_from_builtin(t: BuiltinInt) -> IntTy { |
113 | pub fn f32() -> FloatTy { | 39 | match t { |
114 | FloatTy { bitness: FloatBitness::X32 } | 40 | BuiltinInt::Isize => IntTy::Isize, |
115 | } | 41 | BuiltinInt::I8 => IntTy::I8, |
116 | 42 | BuiltinInt::I16 => IntTy::I16, | |
117 | pub fn f64() -> FloatTy { | 43 | BuiltinInt::I32 => IntTy::I32, |
118 | FloatTy { bitness: FloatBitness::X64 } | 44 | BuiltinInt::I64 => IntTy::I64, |
119 | } | 45 | BuiltinInt::I128 => IntTy::I128, |
120 | |||
121 | pub fn ty_to_string(self) -> &'static str { | ||
122 | match self.bitness { | ||
123 | FloatBitness::X32 => "f32", | ||
124 | FloatBitness::X64 => "f64", | ||
125 | } | ||
126 | } | 46 | } |
127 | } | 47 | } |
128 | 48 | ||
129 | impl From<BuiltinInt> for IntTy { | 49 | pub(super) fn uint_ty_from_builtin(t: BuiltinUint) -> UintTy { |
130 | fn from(t: BuiltinInt) -> Self { | 50 | match t { |
131 | IntTy { signedness: t.signedness, bitness: t.bitness } | 51 | BuiltinUint::Usize => UintTy::Usize, |
52 | BuiltinUint::U8 => UintTy::U8, | ||
53 | BuiltinUint::U16 => UintTy::U16, | ||
54 | BuiltinUint::U32 => UintTy::U32, | ||
55 | BuiltinUint::U64 => UintTy::U64, | ||
56 | BuiltinUint::U128 => UintTy::U128, | ||
132 | } | 57 | } |
133 | } | 58 | } |
134 | 59 | ||
135 | impl From<BuiltinFloat> for FloatTy { | 60 | pub(super) fn float_ty_from_builtin(t: BuiltinFloat) -> FloatTy { |
136 | fn from(t: BuiltinFloat) -> Self { | 61 | match t { |
137 | FloatTy { bitness: t.bitness } | 62 | BuiltinFloat::F32 => FloatTy::F32, |
63 | BuiltinFloat::F64 => FloatTy::F64, | ||
138 | } | 64 | } |
139 | } | 65 | } |