initial commit

src/parsing/mod.rs

@@ -0,0 +1,38 @@
+pub mod pest;
+
+pub use self::pest::parse;
+
+mod tests {
+    #[test]
+    fn test_addition_function() {
+        use crate::ast::*;
+        use crate::parsing::pest::parse;
+
+        let source = "fn add(a: int, b: int) int { a + b }";
+
+        let ast = Ast::FunctionDefinition(FunctionDefinition {
+            name: Identifier::from("add"),
+            parameters: vec![
+                Parameter {
+                    name: Identifier::from("a"),
+                    typ: Type::Int,
+                },
+                Parameter {
+                    name: Identifier::from("b"),
+                    typ: Type::Int,
+                },
+            ],
+            return_type: Some(Type::Int),
+            body: Box::new(Block {
+                statements: vec![],
+                value: Some(Expr::BinaryExpression(
+                    Box::new(Expr::Identifier(Identifier::from("a"))),
+                    BinaryOperator::Add,
+                    Box::new(Expr::Identifier(Identifier::from("b"))),
+                )),
+            }),
+        });
+
+        assert_eq!(parse(source).unwrap(), Ast::Module(vec![ast]));
+    }
+}