1 files changed, 26 insertions, 0 deletions
diff --git a/src/ast.rs b/src/ast.rs
index 8b13789..9777d4e 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -1 +1,27 @@
+use crate::parser::{self, Expr, ExprT, Scope};
 
+pub enum DepthExpr<'a> {
+    Decision {
+        cond: Box<DepthExpr<'a>>,
+        t: Scope,
+        else_branch: Option<Box<DepthExpr<'a>>>,
+    },
+    IO(&'a str),
+    Process(&'a str),
+}
+
+fn parse(vec: Vec<Expr>) -> Vec<DepthExpr> {
+    let exprs = Vec::new();
+
+    let mut it = vec
+        .iter()
+        .peekable();
+
+    while let Some(e) = it.next() {
+        if let ExprT::Decision((cond, scope)) = e.expr {
+            let cond = parser::parse(cond);
+        }
+    }
+
+    exprs
+}