codegen alpha

src/lexer.rs

@@ -18,6 +18,7 @@ pub enum TokenType {
     Ptr,
     Operator,
     SecondOperator,
+    Semicolon,
     Round,
     Curly,
     Square,
@@ -35,13 +36,13 @@ pub struct Token {
 
 impl fmt::Debug for Token {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "(TokenType: {:?}, TokenValue: {}, Line: {}, Column {})", self.token_type, self.value, self.line, self.column)
+        write!(f, "(TokenType: {:?}, TokenValue: {}, Line: {}, Column {})", self.token_type, self.value.replace("\n", "\\n"), self.line, self.column)
     }
 }
 
 impl fmt::Display for Token {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "(\x1b[33mTokenType:\x1b[0m \x1b[35m{:?}\x1b[0m, \x1b[33mTokenValue:\x1b[0m \x1b[32m\"{}\"\x1b[0m, \x1b[33mLine:\x1b[0m \x1b[36m{}\x1b[0m, \x1b[33mColumn:\x1b[0m \x1b[36m{}\x1b[0m)", self.token_type, self.value, self.line, self.column)
+        write!(f, "(\x1b[33mTokenType:\x1b[0m \x1b[35m{:?}\x1b[0m, \x1b[33mTokenValue:\x1b[0m \x1b[32m\"{}\"\x1b[0m, \x1b[33mLine:\x1b[0m \x1b[36m{}\x1b[0m, \x1b[33mColumn:\x1b[0m \x1b[36m{}\x1b[0m)", self.token_type, self.value.replace("\n", "\\n"), self.line, self.column)
     }
 }
 
@@ -50,7 +51,7 @@ pub struct Node {
     token_regex: Lazy<Regex>
 }
 
-const SYNTAX: [Node; 12] = [
+const SYNTAX: [Node; 13] = [
     Node {
         token_type: TokenType::Newline,
         token_regex: Lazy::new(|| Regex::new(r"^\n+").unwrap()),
@@ -77,27 +78,31 @@ const SYNTAX: [Node; 12] = [
     },
     Node {
         token_type: TokenType::Operator,
-        token_regex: Lazy::new(|| Regex::new(r"^[\-|\+|\*]").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^[\-|\+|\*|\=]").unwrap())
     },
     Node {
         token_type: TokenType::Round,
-        token_regex: Lazy::new(|| Regex::new(r"\((?:[^()]|(?R))*\)").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^\((?:[^()]|(?R))*\)").unwrap())
     },
     Node {
         token_type: TokenType::Curly,
-        token_regex: Lazy::new(|| Regex::new(r"\{(?:[^{}]|(?R))*}").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^\{(?:[^{}]|(?R))*}").unwrap())
     },
     Node {
         token_type: TokenType::Square,
-        token_regex: Lazy::new(|| Regex::new(r"\[(?:[^\[\]]|(?R))*]").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^\[(?:[^\[\]]|(?R))*]").unwrap())
     },
     Node {
         token_type: TokenType::Angle,
-        token_regex: Lazy::new(|| Regex::new(r"<(?:[^<>]|(?R))*>").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^<(?:[^<>]|(?R))*>").unwrap())
+    },
+    Node {
+        token_type: TokenType::Semicolon,
+        token_regex: Lazy::new(|| Regex::new(r"^\;").unwrap())
     },
     Node {
         token_type: TokenType::SecondOperator,
-        token_regex: Lazy::new(|| Regex::new(r"^,|;").unwrap())
+        token_regex: Lazy::new(|| Regex::new(r"^,").unwrap())
     },
 ];
 

src/main.rs

@@ -1,14 +1,11 @@
-mod lexer;
-use lexer::lex;
+mod transpiler;
 mod parser;
-use parser::Parser;
+mod lexer;
+use std::fs;
+
 
 fn main() {
-    let input = "int<x> mut x";
-    println!("\n\n\n\n");
-    let tokens = lex(input, false);
-    let mut ast = Parser::new(tokens.clone());
-    while ast.tokens.len() > ast.index as usize {
-        println!("{}\n\n", ast.next());
-    }
-}
+    let contents = fs::read_to_string("code.ws").expect("cannot read for some reason");
+    let result = transpiler::transpile(contents, 0);
+    println!("{result}")
+}

src/parser.rs

@@ -4,6 +4,7 @@ use std::fmt;
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum AstType {
     FunctionDeceleration,
+    VoidFunctionDeceleration,
     VariableDeceleration,
     MutVariableDeceleration,
     Other
@@ -59,12 +60,16 @@ impl Parser {
         let token = &self.tokens[index];
         match token.token_type {
             TokenType::Identifier => {
-                if self.tokens.len()-index > 2 && self.tokens[index+1].token_type==TokenType::Identifier && self.tokens[index+2].token_type==TokenType::Round && self.tokens[index+3].token_type==TokenType::Curly {
+                if self.tokens.len()-index > 3 && self.tokens[index+1].token_type==TokenType::Identifier && self.tokens[index+2].token_type==TokenType::Round && self.tokens[index+3].token_type==TokenType::Curly {
                     ast_res.tokens.push(self.tokens[index].clone());
                     ast_res.tokens.push(self.tokens[index+1].clone());
                     ast_res.tokens.push(self.tokens[index+2].clone());
                     ast_res.tokens.push(self.tokens[index+3].clone());
-                    ast_res.ast_type = AstType::FunctionDeceleration;
+                    if token.value == "void" {
+                        ast_res.ast_type = AstType::VoidFunctionDeceleration;
+                    } else {
+                        ast_res.ast_type = AstType::FunctionDeceleration;
+                    }
                     self.index += 3;
                 } else {
                     loop {