From c4a401a1d1582e3df5869184036cf11da506018b Mon Sep 17 00:00:00 2001
From: ghostlyzsh <pokeball.181818@gmail.com>
Date: Thu, 1 Aug 2024 22:49:49 -0500
Subject: [PATCH] single-line comments

---
 kabel/src/lexer.rs  | 11 +++++++++--
 kabel/src/macros.rs |  5 +----
 kabel/src/parser.rs | 30 +++++++++++++++++++++++-------
 3 files changed, 33 insertions(+), 13 deletions(-)

diff --git a/kabel/src/lexer.rs b/kabel/src/lexer.rs
index 56973153c5b8f5e7254020acc36390e4cc7382e3..3e0a3109f56d47cce0a8f486164f716325fc2c9f 100644
--- a/kabel/src/lexer.rs
+++ b/kabel/src/lexer.rs
@@ -48,8 +48,15 @@ impl Lexer {
                 self.start = self.current;
             }
             b'/' => {
-                self.output.push(token!(self, TokenType::Slash));
-                self.start = self.current;
+                if self.peek() == b'/' {
+                    while self.peek() != b'\n' && self.current < self.input.len() {
+                        self.read_char();
+                    }
+                    self.start = self.current;
+                } else {
+                    self.output.push(token!(self, TokenType::Slash));
+                    self.start = self.current;
+                }
             }
             b'(' => {
                 self.output.push(token!(self, TokenType::LeftParen));
diff --git a/kabel/src/macros.rs b/kabel/src/macros.rs
index c1b513564a0ce53163f112f0290b30dd318a09cf..3bbb766b7fce56d953b2ea97db640b25d845d2c1 100644
--- a/kabel/src/macros.rs
+++ b/kabel/src/macros.rs
@@ -30,10 +30,7 @@ macro_rules! unexpected_token {
     ($self:expr, $message:expr, $token:expr) => {
         $crate::error::KabelError::new(
             $crate::error::ErrorKind::UnexpectedToken,
-            format!(
-                $message,
-                $self.text[$token.start..$token.end].to_string()
-            ),
+            format!($message, $self.text[$token.start..$token.end].to_string()),
             $token.line,
             $token.column,
             $self.text[$token.line_start..$token.end].to_string(),
diff --git a/kabel/src/parser.rs b/kabel/src/parser.rs
index 09c312993b275ab1d4d15d25612a96df38f6852a..3ec8d8dba8f840b20e0e840a54f7b80feb095a90 100644
--- a/kabel/src/parser.rs
+++ b/kabel/src/parser.rs
@@ -75,7 +75,11 @@ impl Parser {
                 if let TokenType::RightParen = right_paren.token_type {
                     let block = self.block()?;
                     return Ok(AST {
-                        ast_type: ASTType::Function(Box::new(lit!(Ident, name, ident)), expressions, Box::new(block.clone())),
+                        ast_type: ASTType::Function(
+                            Box::new(lit!(Ident, name, ident)),
+                            expressions,
+                            Box::new(block.clone()),
+                        ),
                         start: function_ident.start,
                         end: block.end,
                         line: function_ident.line,
@@ -88,7 +92,11 @@ impl Parser {
                 return Err(unexpected_token!(self, "Expected ( found {}", left_paren));
             }
         } else {
-            return Err(unexpected_token!(self, "Expected identifier found {}", ident));
+            return Err(unexpected_token!(
+                self,
+                "Expected identifier found {}",
+                ident
+            ));
         }
     }
 
@@ -169,7 +177,11 @@ impl Parser {
                                         column: if_ident.column,
                                     });
                                 } else {
-                                    return Err(unexpected_token!(self, "Expected if found {}", else_if_ident));
+                                    return Err(unexpected_token!(
+                                        self,
+                                        "Expected if found {}",
+                                        else_if_ident
+                                    ));
                                 }
                             }
                             return Err(unexpected_token!(self, "Unexpected token {}", else_ident));
@@ -265,7 +277,11 @@ impl Parser {
                 return Err(unexpected_token!(self, "Expected = found {}", equal));
             }
         } else {
-            return Err(unexpected_token!(self, "Expected identifier found {}", ident));
+            return Err(unexpected_token!(
+                self,
+                "Expected identifier found {}",
+                ident
+            ));
         }
     }
 
@@ -741,10 +757,10 @@ pub enum ASTType {
     Program(Vec<AST>),
 
     Function(Box<AST>, Vec<AST>, Box<AST>), // name, args, block
-    Loop(Box<AST>), // block
-    While(Box<AST>, Box<AST>), // condition, block
+    Loop(Box<AST>),                         // block
+    While(Box<AST>, Box<AST>),              // condition, block
     If(Box<AST>, Box<AST>, Option<Box<AST>>), // condition, block, else/else if
-    Block(Vec<AST>), // statements
+    Block(Vec<AST>),                        // statements
 
     Decl(Box<AST>, Box<AST>), // identifier, expression
     Binary(Box<AST>, BinOp, Box<AST>),