rust/crates/hir-ty/src/primitive.rs
2022-05-01 10:48:58 +00:00

63 lines
1.6 KiB
Rust

//! A few helper functions for dealing with primitives.
pub use chalk_ir::{FloatTy, IntTy, UintTy};
pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint};
pub fn int_ty_to_string(ty: IntTy) -> &'static str {
match ty {
IntTy::Isize => "isize",
IntTy::I8 => "i8",
IntTy::I16 => "i16",
IntTy::I32 => "i32",
IntTy::I64 => "i64",
IntTy::I128 => "i128",
}
}
pub fn uint_ty_to_string(ty: UintTy) -> &'static str {
match ty {
UintTy::Usize => "usize",
UintTy::U8 => "u8",
UintTy::U16 => "u16",
UintTy::U32 => "u32",
UintTy::U64 => "u64",
UintTy::U128 => "u128",
}
}
pub fn float_ty_to_string(ty: FloatTy) -> &'static str {
match ty {
FloatTy::F32 => "f32",
FloatTy::F64 => "f64",
}
}
pub(super) fn int_ty_from_builtin(t: BuiltinInt) -> IntTy {
match t {
BuiltinInt::Isize => IntTy::Isize,
BuiltinInt::I8 => IntTy::I8,
BuiltinInt::I16 => IntTy::I16,
BuiltinInt::I32 => IntTy::I32,
BuiltinInt::I64 => IntTy::I64,
BuiltinInt::I128 => IntTy::I128,
}
}
pub(super) fn uint_ty_from_builtin(t: BuiltinUint) -> UintTy {
match t {
BuiltinUint::Usize => UintTy::Usize,
BuiltinUint::U8 => UintTy::U8,
BuiltinUint::U16 => UintTy::U16,
BuiltinUint::U32 => UintTy::U32,
BuiltinUint::U64 => UintTy::U64,
BuiltinUint::U128 => UintTy::U128,
}
}
pub(super) fn float_ty_from_builtin(t: BuiltinFloat) -> FloatTy {
match t {
BuiltinFloat::F32 => FloatTy::F32,
BuiltinFloat::F64 => FloatTy::F64,
}
}