feat: define KaniList for parsing the json output of kani list

Author: zjp-CN

Cargo.lock

@@ -7,7 +7,7 @@ edition = "2024"
 clap = { version = "4.5.35", features = ["derive"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = { version = "1", features = ["preserve_order"] }
-indexmap = "2.9.0"
+indexmap = { version = "2.9.0", features = ["serde"] }
 
 # error handling
 eyre = "0.6"

Cargo.toml

@@ -1,3 +1,4 @@
+use indexmap::{IndexMap, IndexSet};
 use serde::{Deserialize, Serialize};
 
 /// A Rust funtion with its file source, attributes, and raw function content.
@@ -83,3 +84,30 @@ pub fn kani_path() -> String {
     assert!(std::fs::exists(&path).unwrap());
     path
 }
+
+/// Output of `kani list` command.
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "kebab-case")]
+pub struct KaniList {
+    pub kani_version: String,
+    pub file_version: String,
+    pub standard_harnesses: IndexMap<String, IndexSet<String>>,
+    pub contract_harnesses: IndexMap<String, IndexSet<String>>,
+    pub contracts: IndexSet<ContractedFunction>,
+    pub totals: Total,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct ContractedFunction {
+    pub function: String,
+    pub file: String,
+    pub harnesses: Vec<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(rename_all = "kebab-case")]
+pub struct Total {
+    pub standard_harnesses: usize,
+    pub contract_harnesses: usize,
+    pub functions_under_contract: usize,
+}