hmm

src/code_generation/mod.rs

@@ -0,0 +1,71 @@
+pub mod compiler;
+
+// LLVM Codegen
+
+
+//--------------------------
+//  Parser
+//-------------------------
+
+use std::collections::HashMap;
+
+use logos::Lexer;
+
+use crate::tokens::Token;
+
+/// Defines a primitive expression
+#[derive(Debug)]
+pub enum Expr {
+    Binary {
+        op: char,
+        left: Box<Expr>,
+        right: Box<Expr>,
+    },
+    Call {
+        fn_name: String,
+        args: Vec<Expr>,
+    },
+    Conditional {
+        cond: Box<Expr>,
+        consequence: Box<Expr>,
+        alternative: Box<Expr>,
+    },
+    For {
+        var_name: String,
+        start: Box<Expr>,
+        end: Box<Expr>,
+        step: Option<Box<Expr>>,
+        body: Box<Expr>,
+    },
+    Number(f64),
+    Variable(String),
+    VarIn {
+        variables: Vec<(String, Option<Expr>)>,
+        body: Box<Expr>,
+    }
+
+}
+
+
+/// Defines the prototype (name and parameters) of a function
+#[derive(Debug)]
+pub struct Prototype {
+    pub name: String,
+    pub args: Vec<String>,
+    pub is_op: bool,
+    pub prec: usize,
+}
+
+/// Defines a user-defined or external function
+#[derive(Debug)]
+pub struct Function {
+    pub prototype: Prototype,
+    pub body: Option<Expr>,
+    pub is_anon: bool,
+}
+
+pub struct Parser<'a> {
+    tokens: Vec<Token<'a>>,
+    pos: usize,
+    prec: &'a mut HashMap<char, i32>,
+}