From 405d0c32ba8a6a065c2a8767295490e4add20498 Mon Sep 17 00:00:00 2001
From: Quinn Stephens <quinn@osmora.org>
Date: Sat, 7 Jun 2025 23:03:12 -0400
Subject: Refactor and begin parser

* Added token flags
* Added `int` keyword
* Moved code from main.c to parser/parser.c
* Began work on parsing declarations

Signed-off-by: Quinn Stephens <quinn@osmora.org>
---
 include/lexer/keywords.h |  4 +++-
 include/lexer/token.h    |  7 ++++++-
 include/parser.h         | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 2 deletions(-)
 create mode 100644 include/parser.h

(limited to 'include')

diff --git a/include/lexer/keywords.h b/include/lexer/keywords.h
index 4919f73..23c5630 100644
--- a/include/lexer/keywords.h
+++ b/include/lexer/keywords.h
@@ -36,7 +36,9 @@
 struct keyword {
     struct hashmap_entry hashmap_entry;
     size_t len;
-    enum token_kind value;
+
+    enum token_kind tok_kind;
+    uint8_t tok_flags;
 };
 
 struct keyword *keywords_find(struct token *tok);
diff --git a/include/lexer/token.h b/include/lexer/token.h
index e89da51..9400c01 100644
--- a/include/lexer/token.h
+++ b/include/lexer/token.h
@@ -38,11 +38,16 @@ enum token_kind {
     TK_EOF,
 
     TK_IDENTIFIER,
-    TK_VOID
+    TK_VOID,
+    TK_INT
 };
 
+#define TF_NONE 0
+#define TF_BUILTIN_TYPE (1 << 0)
+
 struct token {
     enum token_kind kind;
+    uint8_t flags;
 
     const char *pos;
     int line;
diff --git a/include/parser.h b/include/parser.h
new file mode 100644
index 0000000..369115b
--- /dev/null
+++ b/include/parser.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2025 Quinn Stephens and the OSMORA team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _PARSER_H
+#define _PARSER_H 1
+
+#include "lexer.h"
+
+bool parser_parse(struct lexer *lexer);
+
+#endif /* !_PARSER_H */
-- 
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