From cf99844495f059d12aac2e502cc7590af2303f8b Mon Sep 17 00:00:00 2001
From: Schrodinger ZHU Yifan <yifanzhu@rochester.edu>
Date: Sat, 24 Feb 2024 22:10:28 -0500
Subject: [PATCH] [lir] add analysis structure

---
 rura-lir/Cargo.toml               |  1 +
 rura-lir/src/pass/analysis/mod.rs | 18 ++++++++++++++++++
 rura-lir/src/pass/mod.rs          |  1 +
 3 files changed, 20 insertions(+)
 create mode 100644 rura-lir/src/pass/analysis/mod.rs

diff --git a/rura-lir/Cargo.toml b/rura-lir/Cargo.toml
index 5aed8f8..8d0f008 100644
--- a/rura-lir/Cargo.toml
+++ b/rura-lir/Cargo.toml
@@ -12,6 +12,7 @@ proc-macro2 = "1.0.78"
 quote = "1.0.35"
 winnow = "0.6.2"
 thiserror = "1.0.57"
+serde_json = "1.0.114"
 
 [dependencies.rura-parsing]
 path = "../rura-parsing"
diff --git a/rura-lir/src/pass/analysis/mod.rs b/rura-lir/src/pass/analysis/mod.rs
new file mode 100644
index 0000000..e5f87e9
--- /dev/null
+++ b/rura-lir/src/pass/analysis/mod.rs
@@ -0,0 +1,18 @@
+#![allow(unused)]
+use std::any::Any;
+
+use rura_parsing::QualifiedName;
+
+pub trait AnalysisInfo {
+    fn from_json(json: &str) -> Self;
+    fn to_json(&self) -> String;
+    fn module_level_info(&self) -> Option<&dyn Any> {
+        None
+    }
+    fn function_level_info(&self, name: &QualifiedName) -> Option<&dyn Any> {
+        None
+    }
+    fn operand_level_info(&self, function: &QualifiedName, operand: usize) -> Option<&dyn Any> {
+        None
+    }
+}
diff --git a/rura-lir/src/pass/mod.rs b/rura-lir/src/pass/mod.rs
index 1568a8d..f4f6b27 100644
--- a/rura-lir/src/pass/mod.rs
+++ b/rura-lir/src/pass/mod.rs
@@ -1,3 +1,4 @@
+pub mod analysis;
 pub mod diagnostic;
 
 pub trait Pass {