Proto types

interpreter/Cargo.toml

@@ -14,11 +14,19 @@ thiserror = "1.0.40"
 chrono = { version = "0.4.26", default-features = false, features = ["alloc"] }
 nom = "7.1.3"
 paste = "1.0.14"
+prost = { version = "0.13", optional = true }
+prost-types = { version = "0.13.2", optional = true }
+prost-wkt = { version = "0.6", optional = true }
+prost-wkt-types = { version = "0.6", optional = true }
 serde = "1.0.196"
 regex = "1.10.5"
 serde_json = { version = "1.0.124", optional = true }
 base64 = { version = "0.22.1", optional = true }
 
+[build-dependencies]
+prost-build = { version = "0.13", optional = true }
+prost-wkt-build = { version = "0.6", optional = true }
+
 [dev-dependencies]
 criterion = { version = "0.5.1", features = ["html_reports"] }
 serde_bytes = "0.11.14"
@@ -28,5 +36,6 @@ name = "runtime"
 harness = false
 
 [features]
+proto = ["dep:prost", "dep:prost-types", "dep:prost-build", "dep:prost-wkt", "dep:prost-wkt-build", "dep:prost-wkt-types", "serde/derive"]
 json = ["dep:base64", "dep:serde_json"]
 

interpreter/build.rs

@@ -0,0 +1,30 @@
+use prost_wkt_build::*;
+use std::{env, path::PathBuf};
+
+fn main() {
+    let out = PathBuf::from(env::var("OUT_DIR").unwrap());
+    let descriptor_file = out.join("descriptors.bin");
+    let mut prost_build = prost_build::Config::new();
+    prost_build
+        .type_attribute(".", "#[derive(serde::Serialize,serde::Deserialize)]")
+        .extern_path(".google.protobuf.Any", "::prost_wkt_types::Any")
+        .extern_path(".google.protobuf.Duration", "::prost_wkt_types::Duration")
+        .extern_path(".google.protobuf.Timestamp", "::prost_wkt_types::Timestamp")
+        .extern_path(".google.protobuf.Value", "::prost_wkt_types::Value")
+        .file_descriptor_set_path(&descriptor_file)
+        .compile_protos(
+            &[
+                "../proto/cel/expr/syntax.proto",
+                "../proto/cel/expr/checked.proto",
+                "../proto/cel/expr/value.proto",
+            ],
+            &["../proto/"],
+        )
+        .unwrap();
+
+    let descriptor_bytes = std::fs::read(descriptor_file).unwrap();
+
+    let descriptor = FileDescriptorSet::decode(&descriptor_bytes[..]).unwrap();
+
+    prost_wkt_build::add_serde(out, descriptor);
+}

interpreter/src/lib.rs

@@ -22,6 +22,8 @@ pub use ser::to_value;
 
 #[cfg(feature = "json")]
 mod json;
+#[cfg(feature = "proto")]
+pub mod proto;
 #[cfg(test)]
 mod testing;
 

interpreter/src/proto.rs

@@ -0,0 +1 @@
+include!(concat!(env!("OUT_DIR"), "/cel.expr.rs"));