From 21ad9744c006d25d8d8ac3aa58d8ec4205893dc0 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Tue, 7 Nov 2017 16:59:14 -0500
Subject: Add datatypes for IR

---
 src/semantic/ir.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/semantic/ir.rs

diff --git a/src/semantic/ir.rs b/src/semantic/ir.rs
new file mode 100644
index 0000000..deeed96
--- /dev/null
+++ b/src/semantic/ir.rs
@@ -0,0 +1,23 @@
+use super::temp;
+
+pub enum Binop {
+    Plus,
+}
+
+pub enum Expression {
+    Const(u64),
+    Name(temp::TempLabel),
+    Temp(temp::TempName),
+    Binop(Binop, Box<Expression>, Box<Expression>),
+    Memory(Box<Expression>),
+    Call(Box<Expression>, Vec<Expression>),
+    Seq(Vec<Statement>, Box<Expression>),
+}
+
+pub enum Statement {
+    Exp(Expression),
+    MoveTemp(temp::TempName, Expression),
+    MoveMem(Expression, Expression),
+    Seq(Box<Statement>, Box<Statement>),
+    Label(temp::TempLabel),
+}
-- 
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