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>

2 files changed, 9 insertions, 2 deletions

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;