1 files changed, 130 insertions, 0 deletions

diff --git a/crates/ra_hir/src/ty/primitive.rs b/crates/ra_hir/src/ty/primitive.rs
new file mode 100644
index 000000000..ad79b17e4
--- /dev/null
+++ b/crates/ra_hir/src/ty/primitive.rs
@@ -0,0 +1,130 @@
+use std::fmt;
+
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Copy)]
+pub enum IntTy {
+    Isize,
+    I8,
+    I16,
+    I32,
+    I64,
+    I128,
+}
+
+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 ty_to_string(&self) -> &'static str {
+        match *self {
+            IntTy::Isize => "isize",
+            IntTy::I8 => "i8",
+            IntTy::I16 => "i16",
+            IntTy::I32 => "i32",
+            IntTy::I64 => "i64",
+            IntTy::I128 => "i128",
+        }
+    }
+
+    pub fn from_string(s: &str) -> Option<IntTy> {
+        match s {
+            "isize" => Some(IntTy::Isize),
+            "i8" => Some(IntTy::I8),
+            "i16" => Some(IntTy::I16),
+            "i32" => Some(IntTy::I32),
+            "i64" => Some(IntTy::I64),
+            "i128" => Some(IntTy::I128),
+            _ => None,
+        }
+    }
+}
+
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Copy)]
+pub enum UintTy {
+    Usize,
+    U8,
+    U16,
+    U32,
+    U64,
+    U128,
+}
+
+impl UintTy {
+    pub fn ty_to_string(&self) -> &'static str {
+        match *self {
+            UintTy::Usize => "usize",
+            UintTy::U8 => "u8",
+            UintTy::U16 => "u16",
+            UintTy::U32 => "u32",
+            UintTy::U64 => "u64",
+            UintTy::U128 => "u128",
+        }
+    }
+
+    pub fn from_string(s: &str) -> Option<UintTy> {
+        match s {
+            "usize" => Some(UintTy::Usize),
+            "u8" => Some(UintTy::U8),
+            "u16" => Some(UintTy::U16),
+            "u32" => Some(UintTy::U32),
+            "u64" => Some(UintTy::U64),
+            "u128" => Some(UintTy::U128),
+            _ => None,
+        }
+    }
+}
+
+impl fmt::Debug for UintTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
+impl fmt::Display for UintTy {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", self.ty_to_string())
+    }
+}
+
+#[derive(Clone, PartialEq, Eq, Hash, Copy, PartialOrd, Ord)]
+pub enum FloatTy {
+    F32,
+    F64,
+}
+
+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 ty_to_string(self) -> &'static str {
+        match self {
+            FloatTy::F32 => "f32",
+            FloatTy::F64 => "f64",
+        }
+    }
+
+    pub fn from_string(s: &str) -> Option<FloatTy> {
+        match s {
+            "f32" => Some(FloatTy::F32),
+            "f64" => Some(FloatTy::F64),
+            _ => None,
+        }
+    }
+}