1 files changed, 30 insertions, 0 deletions
diff --git a/src/ir/int.rs b/src/ir/int.rs
new file mode 100644
index 00000000..d2769b77
--- /dev/null
+++ b/src/ir/int.rs
@@ -0,0 +1,30 @@
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
+pub enum IntKind {
+    Bool,
+    Char,
+    UChar,
+    Short,
+    UShort,
+    Int,
+    UInt,
+    Long,
+    ULong,
+    LongLong,
+    ULongLong,
+    U16, // For Char16 and Wchar
+    U32, // For Char32
+    // Though now we're at it we could add equivalents for the rust types...
+}
+
+impl IntKind {
+    pub fn is_signed(&self) -> bool {
+        use self::IntKind::*;
+        match *self {
+            Bool | UChar | UShort |
+            UInt | ULong | ULongLong | U16 | U32 => false,
+
+            Char | Short | Int |
+            Long | LongLong => true,
+        }
+    }
+}