Wrap recursive Rust types into Box (closes #10)

Author: agentnocorp

Cargo.lock

@@ -37,3 +37,5 @@ semver = { version = "1.0.27", features = ["serde"] }
 [dev-dependencies]
 pretty_assertions = "1.4.1"
 insta = { version = "1.46.3", features = ["ron"] }
+trybuild = "1.0.111"
+serde = { version = "1.0.210", features = ["derive"] }

pkgs/crate-genotype-cli/Cargo.toml

@@ -0,0 +1 @@
+dist/

pkgs/crate-genotype-cli/examples/recursive-box/.gitignore

@@ -0,0 +1,4 @@
+src = "."
+
+[rs]
+enabled = true

pkgs/crate-genotype-cli/examples/recursive-box/genotype.toml

@@ -0,0 +1,4 @@
+Node: {
+  value: string,
+  next?: Node,
+}

pkgs/crate-genotype-cli/examples/recursive-box/node.type

@@ -0,0 +1,20 @@
+NodeMeta: {
+  id: string,
+}
+
+TreeLinkFields: {
+  parent?: TreeNode,
+}
+
+TreeNode: {
+  ...NodeMeta,
+  ...TreeLinkFields,
+  payload: TreePayload,
+  children: [TreeNode],
+}
+
+TreePayload: {
+  ...NodeMeta,
+  owner?: TreeNode,
+  kind: string,
+}

pkgs/crate-genotype-cli/examples/recursive-box/tree.type

@@ -0,0 +1,37 @@
+use std::path::PathBuf;
+use std::process::Command;
+
+#[test]
+fn recursive_box_generated_rust_compiles() {
+    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let example_dir = manifest_dir.join("examples/recursive-box");
+    let dist_dir = example_dir.join("dist");
+
+    if dist_dir.exists() {
+        std::fs::remove_dir_all(&dist_dir).unwrap();
+    }
+
+    let output = Command::new(env!("CARGO_BIN_EXE_gt"))
+        .arg("build")
+        .arg("examples/recursive-box")
+        .current_dir(&manifest_dir)
+        .output()
+        .unwrap();
+
+    assert!(
+        output.status.success(),
+        "gt build failed:\nstdout:\n{}\nstderr:\n{}",
+        String::from_utf8_lossy(&output.stdout),
+        String::from_utf8_lossy(&output.stderr)
+    );
+
+    unsafe {
+        std::env::set_var(
+            "GENOTYPE_CLI_MANIFEST_DIR",
+            manifest_dir.to_string_lossy().as_ref(),
+        );
+    }
+
+    let t = trybuild::TestCases::new();
+    t.pass("tests/trybuild/recursive_box_generated.rs");
+}

pkgs/crate-genotype-cli/tests/recursive_box_trybuild.rs

@@ -0,0 +1,15 @@
+mod generated_node {
+    include!(concat!(
+        env!("GENOTYPE_CLI_MANIFEST_DIR"),
+        "/examples/recursive-box/dist/rs/src/node.rs"
+    ));
+}
+
+mod generated_tree {
+    include!(concat!(
+        env!("GENOTYPE_CLI_MANIFEST_DIR"),
+        "/examples/recursive-box/dist/rs/src/tree.rs"
+    ));
+}
+
+fn main() {}

pkgs/crate-genotype-cli/tests/trybuild/recursive_box_generated.rs

@@ -22,6 +22,7 @@ thiserror = "1.0.64"
 indexmap = { version = "2.6.0", features = ["serde"] }
 toml_edit = { version = "0.22.26", features = ["serde"] }
 serde = { version = "1.0.210", features = ["derive"] }
+petgraph = "0.8.3"
 
 [dev-dependencies]
 pretty_assertions = "1.4.1"

pkgs/crate-genotype-lang-rs-project/Cargo.toml

@@ -0,0 +1,4 @@
+src = "."
+
+[rs]
+enabled = true