swift lib

cozo-lib-swift/.gitignore

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+generated
+CozoSwiftBridge
+.idea

cozo-lib-swift/Cargo.toml

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+[package]
+name = "cozo-swift"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["staticlib"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+storage-rocksdb = ["cozo/storage-rocksdb"]
+
+[build-dependencies]
+swift-bridge-build = "0.1.41"
+
+[dependencies]
+swift-bridge = "0.1.41"
+cozo = { version = "0.1.7", path = "../cozo-core", default-features = false, features = ["compact"] }

cozo-lib-swift/build-rust.sh

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+#!/usr/bin/env bash
+set -e
+
+THISDIR=$(dirname $0)
+cd $THISDIR
+
+export SWIFT_BRIDGE_OUT_DIR="$(pwd)/generated"
+# Build the project for the desired platforms:
+cargo build -p cozo-swift --target x86_64-apple-darwin --release
+cargo build -p cozo-swift --target aarch64-apple-darwin --release
+mkdir -p ../target/universal-macos/release
+
+lipo \
+    ../target/aarch64-apple-darwin/release/libcozo_swift.a \
+    ../target/x86_64-apple-darwin/release/libcozo_swift.a -create -output \
+    ../target/universal-macos/release/libcozo_swift.a
+
+cargo build -p cozo-swift --target aarch64-apple-ios --release
+
+cargo build -p cozo-swift --target x86_64-apple-ios --release
+cargo build -p cozo-swift --target aarch64-apple-ios-sim --release
+mkdir -p ../target/universal-ios/release
+
+lipo \
+    ../target/aarch64-apple-ios-sim/release/libcozo_swift.a \
+    ../target/x86_64-apple-ios/release/libcozo_swift.a -create -output \
+    ../target/universal-ios/release/libcozo_swift.a
+
+swift-bridge-cli create-package \
+    --bridges-dir ./generated \
+    --out-dir CozoSwiftBridge \
+    --ios ../target/aarch64-apple-ios/release/libcozo_swift.a \
+    --simulator ../target/universal-ios/release/libcozo_swift.a \
+    --macos ../target/universal-macos/release/libcozo_swift.a \
+    --name CozoSwiftBridge

cozo-lib-swift/build.rs

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+use std::path::PathBuf;
+
+fn main() {
+    let out_dir = PathBuf::from("./generated");
+
+    let bridges = vec!["src/lib.rs"];
+    for path in &bridges {
+        println!("cargo:rerun-if-changed={}", path);
+    }
+
+    swift_bridge_build::parse_bridges(bridges)
+        .write_all_concatenated(out_dir, env!("CARGO_PKG_NAME"));
+}

cozo-lib-swift/src/lib.rs

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+#[swift_bridge::bridge]
+mod ffi {
+    extern "Rust" {
+        fn hello_rust(name: &str) -> String;
+    }
+}
+
+fn hello_rust(name: &str) -> String {
+    String::from(format!("Hello {} from Rust!", name))
+}