start htq backend

oxidecomputer · Sep 12, 2024 · 0153a66 · 0153a66
1 parent bb69069
commit 0153a66
Show file tree

Hide file tree

Showing 9 changed files with 245 additions and 26 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -6,6 +6,7 @@ members = [
     "x4c",
     "x4c_error_codes",
     "codegen/rust",
+    "codegen/htq",
     "lang/p4rs",
     "lang/p4-macro",
     "lang/p4-macro-test",

diff --git a/codegen/htq/Cargo.toml b/codegen/htq/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "p4-htq"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+p4 = { path = "../../p4" }
+#htq = { git = "https://github.com/oxidecomputer/htq", branch = "sector-001" }
+htq = { path = "/Users/ry/src/htq" }
+thiserror = "1.0.63"
diff --git a/codegen/htq/src/error.rs b/codegen/htq/src/error.rs
@@ -0,0 +1,18 @@
+// Copyright 2024 Oxide Computer Company
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum CodegenError {
+    #[error("There is no equivalent htq type for {0}")]
+    NoEquivalentType(p4::ast::Type),
+}
+
+#[derive(Error, Debug)]
+pub enum EmitError {
+    #[error("io error {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("codegen error {0}")]
+    Codegen(#[from] CodegenError),
+}