From 448b3baa76b6bd25e972e1134941cb649b6a91d0 Mon Sep 17 00:00:00 2001
From: Fabrice <fabrice@schaub-dev.xyz>
Date: Tue, 3 Mar 2026 12:39:25 +0100
Subject: actually lexing

---
 src/token.cc     |  3 +--
 src/tokenizer.cc | 18 ++++++++++--------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/token.cc b/src/token.cc
index ed1f65b..d3a787a 100644
--- a/src/token.cc
+++ b/src/token.cc
@@ -7,7 +7,6 @@
 #include "source.cc"
 
 #define TOKEN_KINDS_NOLEX \
-  X(Eof)                  \
   X(Invalid_Char)         \
   X(Invalid_Literal)
 
@@ -30,7 +29,7 @@ struct Token {
   String text;
   Span span;
 
-  Token() : kind(Token_Kind_Eof), text(), span() {}
+  Token() : kind(Token_Kind_Invalid_Char), text(), span() {}
   Token(Token_Kind kind, String text, Span span)
       : kind(kind), text(text), span(span) {}
 };
diff --git a/src/tokenizer.cc b/src/tokenizer.cc
index f2efda4..26763eb 100644
--- a/src/tokenizer.cc
+++ b/src/tokenizer.cc
@@ -47,7 +47,7 @@ static Buffer* tokenizer_get_buffer(Tokenizer* tokenizer, usize* cursor) {
   Buffer* curr = tokenizer->buffer;
   if (likely(curr != nullptr)) {
     *cursor = curr->cursor;
-    if(*cursor < curr->content.length) return curr;
+    if (*cursor < curr->content.length) return curr;
   }
 
   if (!buffer_stack_pop(tokenizer->stack, &curr)) return nullptr;
@@ -57,8 +57,7 @@ static Buffer* tokenizer_get_buffer(Tokenizer* tokenizer, usize* cursor) {
   return curr;
 }
 
-static char tokenizer_advance(const Tokenizer* tokenizer,
-                                     usize* offset) {
+static wchar tokenizer_advance(const Tokenizer* tokenizer, usize* offset) {
   const String text = tokenizer->buffer->content;
 
   unsigned char c = *text[*offset];
@@ -66,7 +65,7 @@ static char tokenizer_advance(const Tokenizer* tokenizer,
   if (nobytes > 1) panic("no support for multi-byte chars: %c:%d", c, nobytes);
 
   *offset += nobytes;
-  return c;
+  return (wchar)c;
 }
 
 bool tokenizer_next(Tokenizer* tokenizer, Token* out) {
@@ -76,13 +75,16 @@ bool tokenizer_next(Tokenizer* tokenizer, Token* out) {
   usize cursor;
   Buffer* buffer = tokenizer_get_buffer(tokenizer, &cursor);
   if (buffer == nullptr) return false;
+
   usize advance = cursor;
+  wchar c = tokenizer_advance(tokenizer, &advance);
 
-  tokenizer_advance(tokenizer, &advance);
-  Token token = {};
-  tokenizer_make_token(tokenizer, &token, Token_Kind_Eof, cursor, advance);
+  switch (c) {
+    default:
+      tokenizer_make_token(tokenizer, out, Token_Kind_Invalid_Char, cursor,
+                           advance);
+  }
 
-  *out = token;
   buffer->cursor = advance;
   return true;
 }
-- 
cgit v1.2.3