From 7c5c02b2aefa1bec5fde0f083cdb7c67af6b2caa Mon Sep 17 00:00:00 2001
From: Monnoroch <monnoroch@gmail.com>
Date: Wed, 11 Jul 2018 21:36:23 +0100
Subject: [PATCH] Initial framework code for the wrapper generator.

Related to #76.
---
 ci/test.sh              |  5 +++
 generator/Cargo.lock    | 33 +++++++++++++++++
 generator/Cargo.toml    | 11 ++++++
 generator/src/lib.rs    | 78 +++++++++++++++++++++++++++++++++++++++++
 generator/tests/test.rs | 12 +++++++
 5 files changed, 139 insertions(+)
 create mode 100755 ci/test.sh
 create mode 100644 generator/Cargo.lock
 create mode 100644 generator/Cargo.toml
 create mode 100644 generator/src/lib.rs
 create mode 100644 generator/tests/test.rs

diff --git a/ci/test.sh b/ci/test.sh
new file mode 100755
index 0000000..30668ef
--- /dev/null
+++ b/ci/test.sh
@@ -0,0 +1,5 @@
+set -e
+
+cargo test --verbose --features libjvm
+(cd examples/java-lib && ./test.sh)
+(cd generator && cargo test --verbose)
diff --git a/generator/Cargo.lock b/generator/Cargo.lock
new file mode 100644
index 0000000..9675eec
--- /dev/null
+++ b/generator/Cargo.lock
@@ -0,0 +1,33 @@
+[[package]]
+name = "proc-macro2"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "quote"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rust-jni-generator"
+version = "0.1.0"
+dependencies = [
+ "proc-macro2 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum proc-macro2 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "effdb53b25cdad54f8f48843d67398f7ef2e14f12c1b4cb4effc549a6462a4d6"
+"checksum quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e44651a0dc4cdd99f71c83b561e221f714912d11af1a4dff0631f923d53af035"
+"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
diff --git a/generator/Cargo.toml b/generator/Cargo.toml
new file mode 100644
index 0000000..9d909ce
--- /dev/null
+++ b/generator/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "rust-jni-generator"
+version = "0.1.0"
+authors = ["Monnoroch <monnoroch@gmail.com>"]
+
+[dependencies]
+quote = "0.6.3"
+proc-macro2 = "0.4.6"
+
+[lib]
+proc-macro = true
diff --git a/generator/src/lib.rs b/generator/src/lib.rs
new file mode 100644
index 0000000..387d1d6
--- /dev/null
+++ b/generator/src/lib.rs
@@ -0,0 +1,78 @@
+#![feature(proc_macro)]
+
+extern crate proc_macro;
+#[macro_use]
+extern crate quote;
+extern crate proc_macro2;
+
+use proc_macro2::*;
+use quote::ToTokens;
+use std::ops::Deref;
+
+/// Generate `rust-jni` wrappers for Java classes and interfaces.
+///
+/// TODO(#76): examples.
+#[proc_macro]
+pub fn java_generate(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    let input: TokenStream = input.into();
+    java_generate_impl(input).into()
+}
+
+fn java_generate_impl(input: TokenStream) -> TokenStream {
+    generate(to_generator_data(parse_java_definition(input)))
+}
+
+#[derive(Debug, PartialEq, Eq, Clone)]
+struct JavaDefinitions {}
+
+fn parse_java_definition(_input: TokenStream) -> JavaDefinitions {
+    JavaDefinitions {}
+}
+
+#[cfg(test)]
+mod parse_tests {
+    use super::*;
+
+    #[test]
+    fn empty() {
+        let input = quote!{};
+        assert_eq!(parse_java_definition(input), JavaDefinitions {});
+    }
+}
+
+#[derive(Debug, PartialEq, Eq, Clone)]
+struct GeneratorData {}
+
+fn to_generator_data(_definitions: JavaDefinitions) -> GeneratorData {
+    GeneratorData {}
+}
+
+#[cfg(test)]
+mod to_generator_data_tests {
+    use super::*;
+
+    #[test]
+    fn empty() {
+        assert_eq!(to_generator_data(JavaDefinitions {}), GeneratorData {});
+    }
+}
+
+fn generate(_data: GeneratorData) -> TokenStream {
+    TokenStream::new()
+}
+
+#[cfg(test)]
+mod generate_tests {
+    use super::*;
+
+    #[test]
+    fn empty() {
+        let expected = quote!{};
+        assert_tokens_equals(generate(GeneratorData {}), expected);
+    }
+}
+
+#[cfg(test)]
+fn assert_tokens_equals(left: TokenStream, right: TokenStream) {
+    assert_eq!(format!("{:?}", left), format!("{:?}", right),);
+}
diff --git a/generator/tests/test.rs b/generator/tests/test.rs
new file mode 100644
index 0000000..fc5ddbe
--- /dev/null
+++ b/generator/tests/test.rs
@@ -0,0 +1,12 @@
+extern crate rust_jni_generator;
+
+#[cfg(test)]
+mod tests {
+    #[allow(unused_imports)]
+    use rust_jni_generator::*;
+
+    java_generate!{}
+
+    #[test]
+    fn test() {}
+}