Adds compiler module

Cargo.lock

@@ -609,11 +609,21 @@ name = "leo-benchmark"
 version = "0.1.0"
 dependencies = [
  "from-pest",
- "lazy_static",
  "leo-program",
- "pest",
- "pest-ast",
- "pest_derive",
+ "rand 0.7.3",
+ "snarkos-algorithms",
+ "snarkos-curves",
+ "snarkos-errors",
+ "snarkos-gadgets",
+ "snarkos-models",
+]
+
+[[package]]
+name = "leo-compiler"
+version = "0.1.0"
+dependencies = [
+ "from-pest",
+ "leo-program",
  "rand 0.7.3",
  "snarkos-algorithms",
  "snarkos-curves",

Cargo.toml

@@ -13,7 +13,7 @@ name = "leo"
 path = "benchmark/src/main.rs"
 
 [workspace]
-members = [ "benchmark", "program" ]
+members = [ "benchmark", "compiler", "program" ]
 
 [dependencies]
 snarkos-algorithms = { path = "../snarkOS/algorithms", version = "0.8.0" }

benchmark/Cargo.toml

@@ -14,8 +14,4 @@ snarkos-gadgets = { path = "../../snarkOS/gadgets", version = "0.8.0" }
 snarkos-models = { path = "../../snarkOS/models", version = "0.8.0" }
 
 from-pest = { version = "0.3.1" }
-lazy_static = { version = "1.3.0" }
-pest = { version = "2.0" }
-pest-ast = { version = "0.3.3" }
-pest_derive = { version = "2.0" }
 rand = { version = "0.7" }

compiler/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "leo-compiler"
+version = "0.1.0"
+authors = ["The Aleo Team <hello@aleo.org>"]
+edition = "2018"
+
+[dependencies]
+leo-program = { path = "../program", version = "0.1.0" }
+
+snarkos-algorithms = { path = "../../snarkOS/algorithms", version = "0.8.0" }
+snarkos-curves = { path = "../../snarkOS/curves", version = "0.8.0" }
+snarkos-errors = { path = "../../snarkOS/errors", version = "0.8.0" }
+snarkos-gadgets = { path = "../../snarkOS/gadgets", version = "0.8.0" }
+snarkos-models = { path = "../../snarkOS/models", version = "0.8.0" }
+
+from-pest = { version = "0.3.1" }
+rand = { version = "0.7" }

compiler/simple.leo

@@ -0,0 +1,4 @@
+function main() -> (u32) {
+    a = 1 + 1
+    return a
+}

compiler/simple_import.leo

@@ -0,0 +1,4 @@
+struct Point {
+    u32 x
+    u32 y
+}

compiler/src/main.rs

@@ -0,0 +1,111 @@
+use leo_program::{self, ast};
+
+use snarkos_algorithms::snark::{
+    create_random_proof, generate_random_parameters, prepare_verifying_key, verify_proof,
+};
+use snarkos_curves::bls12_377::{Bls12_377, Fr};
+use snarkos_errors::gadgets::SynthesisError;
+use snarkos_models::{
+    curves::{Field, PrimeField},
+    gadgets::r1cs::{ConstraintSynthesizer, ConstraintSystem},
+};
+
+use from_pest::FromPest;
+use rand::thread_rng;
+use std::{
+    fs,
+    marker::PhantomData,
+    time::{Duration, Instant},
+};
+
+pub struct Benchmark<F: Field + PrimeField> {
+    _engine: PhantomData<F>,
+}
+
+impl<F: Field + PrimeField> Benchmark<F> {
+    pub fn new() -> Self {
+        Self {
+            _engine: PhantomData,
+        }
+    }
+}
+
+impl<F: Field + PrimeField> ConstraintSynthesizer<F> for Benchmark<F> {
+    fn generate_constraints<CS: ConstraintSystem<F>>(
+        self,
+        cs: &mut CS,
+    ) -> Result<(), SynthesisError> {
+        // Read in file as string
+        let unparsed_file = fs::read_to_string("simple.leo").expect("cannot read file");
+
+        // Parse the file using leo.pest
+        let mut file = ast::parse(&unparsed_file).expect("unsuccessful parse");
+
+        // Build the abstract syntax tree
+        let syntax_tree = ast::File::from_pest(&mut file).expect("infallible");
+        // println!("{:#?}", syntax_tree);
+
+        let program = leo_program::Program::<'_, F>::from(syntax_tree);
+        println!(" compiled: {:#?}", program);
+
+        let program = program.name("simple".into());
+        leo_program::ResolvedProgram::generate_constraints(cs, program);
+
+        Ok(())
+    }
+}
+
+fn main() {
+    let mut setup = Duration::new(0, 0);
+    let mut proving = Duration::new(0, 0);
+    let mut verifying = Duration::new(0, 0);
+
+    let rng = &mut thread_rng();
+
+    let start = Instant::now();
+
+    let params = {
+        let circuit = Benchmark::<Fr>::new();
+        generate_random_parameters::<Bls12_377, _, _>(circuit, rng).unwrap()
+    };
+
+    let prepared_verifying_key = prepare_verifying_key::<Bls12_377>(&params.vk);
+
+    setup += start.elapsed();
+
+    let start = Instant::now();
+    let proof = {
+        let c = Benchmark::new();
+        create_random_proof(c, &params, rng).unwrap()
+    };
+
+    proving += start.elapsed();
+
+    // let _inputs: Vec<_> = [1u32; 1].to_vec();
+
+    let start = Instant::now();
+
+    let is_success = verify_proof(&prepared_verifying_key, &proof, &[]).unwrap();
+
+    verifying += start.elapsed();
+
+    println!(" ");
+    println!("  Setup time      : {:?} milliseconds", setup.as_millis());
+    println!("  Prover time     : {:?} milliseconds", proving.as_millis());
+    println!(
+        "  Verifier time   : {:?} milliseconds",
+        verifying.as_millis()
+    );
+    println!("  Verifier output : {}", is_success);
+    println!(" ");
+
+    // let mut cs = TestConstraintSystem::<Fr>::new();
+    //
+    // println!("\n satisfied: {:?}", cs.is_satisfied());
+    //
+    // println!(
+    //     "\n number of constraints for input: {}",
+    //     cs.num_constraints()
+    // );
+    //
+}