core circuit wip

compiler/core/src/algorithms/bhp.rs

@@ -0,0 +1,42 @@
+// Copyright (C) 2019-2021 Aleo Systems Inc.
+// This file is part of the Leo library.
+
+// The Leo library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// The Leo library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
+
+use leo_ast::{Circuit, CircuitMember, Function, Identifier};
+use leo_span::sym;
+
+pub struct BHP256(Circuit);
+
+impl BHP256 {
+    pub fn new() -> Self {
+        Self(Circuit {
+            circuit_name: Identifier::new(sym::bhp256),
+            members: vec![
+                CircuitMember::CircuitFunction(Box::new(
+                    Function {
+                        identifier: Identifier {},
+                        input: vec![],
+                        output: Type::Address,
+                        core_mapping: Cell::new(None),
+                        block: Block {},
+                        span: Default::default()
+                    }
+                ))
+            ]
+        })
+    }
+}
+
+pub struct BHP512(Circuit);

compiler/core/src/algorithms/mod.rs

@@ -15,10 +15,42 @@
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
 use crate::Types;
+use leo_span::{sym, Symbol};
 
 use indexmap::IndexSet;
-use leo_span::Symbol;
 
+/// A core library circuit
+#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub enum CoreCircuit {
+    BHP256,
+    BHP512,
+    BHP768,
+    BHP1024,
+    Pedersen64,
+    Pedersen128,
+    Poseidon2,
+    Poseidon4,
+    Poseidon8,
+}
+
+impl CoreCircuit {
+    /// Returns a `CoreCircuit` from the given `Symbol`.
+    pub fn from_symbol(symbol: Symbol) -> Option<Self> {
+        Some(match symbol {
+            sym::bhp256 => Self::BHP256,
+            sym::bhp512 => Self::BHP512,
+            sym::bhp1024 => Self::BHP1024,
+            sym::ped64 => Self::Pedersen64,
+            sym::ped128 => Self::Pedersen128,
+            sym::psd2 => Self::Poseidon2,
+            sym::psd4 => Self::Poseidon4,
+            sym::psd8 => Self::Poseidon8,
+            _ => return None,
+        })
+    }
+}
+
+// todo (collin): deprecate this code
 pub struct Algorithms;
 
 impl Types for Algorithms {

compiler/passes/src/type_checker/check_file.rs

@@ -55,6 +55,7 @@ impl<'a> ProgramVisitorDirector<'a> for Director<'a> {
     }
 
     fn visit_circuit(&mut self, input: &'a Circuit) {
+        // circuit Foo { x: u8, y: u8 };
         todo!()
         // if let VisitResult::VisitChildren = self.visitor_ref().visit_function(input) {
         //     self.

leo/span/src/symbol.rs

@@ -138,18 +138,18 @@ symbols! {
     xor,
 
     // algorithm operator names 33-44
-    bhp256,
-    bhp512,
-    bhp768,
-    bhp1024,
+    bhp256: "BHP256",
+    bhp512: "BHP512",
+    bhp768: "BHP768",
+    bhp1024: "BHP1024",
     commit,
     hash,
-    ped64,
-    ped128,
+    ped64: "Pedersen64",
+    ped128: "Pedersen128",
     prf,
-    psd2,
-    psd4,
-    psd8,
+    psd2: "Poseidon2",
+    psd4: "Poseidon4",
+    psd8: "Poseidon8",
 
     // types
     address,