Rough outline of something resembling a parser (again...)

parser/Cargo.toml

@@ -4,3 +4,5 @@ version = "0.1.0"
 authors = ["Eryn Wells <eryn@erynwells.me>"]
 
 [dependencies]
+sibillexer = { path = "../lexer" }
+sibiltypes = { path = "../types" }

parser/src/lib.rs

@@ -1,3 +1,23 @@
+/* parser/src/lib.rs
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+extern crate sibillexer;
+extern crate sibiltypes;
+
+mod list;
+mod program;
+
+use sibillexer::Lexer;
+
+struct ParseError { }
+
+type Result<T> = std::result::Result<T, ParseError>;
+
+trait Parsable: Sized {
+    fn parse(lexer: &Lexer) -> Result<Self>;
+}
+
 #[cfg(test)]
 mod tests {
     #[test]

parser/src/list.rs

@@ -0,0 +1,24 @@
+/* parser/src/list.rs
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+extern crate sibillexer;
+extern crate sibiltypes;
+
+use sibillexer::Lexer;
+use sibillexer::Token;
+use sibiltypes::Value;
+use super::Parsable;
+use super::ParseError;
+use super::Result;
+
+pub enum SExpression {
+    Value(Box<Value>),
+    List(Vec<SExpression>),
+}
+
+impl Parsable for SExpression {
+    fn parse(lexer: &Lexer) -> Result<SExpression> {
+        Err(ParseError{ })
+    }
+}

parser/src/program.rs

@@ -0,0 +1,9 @@
+/* parser/src/program.rs
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+use list::SExpression;
+
+struct Program {
+    commands: Vec<SExpression>,
+}

types/src/lib.rs

@@ -6,6 +6,7 @@ mod value;
 pub use bool::Bool;
 pub use char::Char;
 pub use number::Number;
+pub use value::Value;
 
 #[cfg(test)]
 mod tests {