init

1 files changed, 40 insertions, 0 deletions

diff --git a/src/lex.h b/src/lex.h
new file mode 100644
index 0000000..9e600d7
--- /dev/null
+++ b/src/lex.h
@@ -0,0 +1,40 @@
+#ifndef ANIMTOOL_LEX_H_
+#define ANIMTOOL_LEX_H_
+
+#include "util/container.h"
+#include "util/str.h"
+#include "source.h"
+#include "op.h"
+
+enum token_type
+{
+    TOKEN_NUMBER,
+    TOKEN_STRING,
+    TOKEN_VAR,
+    TOKEN_IDENT,
+    TOKEN_OP,
+};
+
+struct token
+{
+    struct range loc;
+    enum token_type type;
+    union
+    {
+        double number;
+        str string;
+        str var;
+        str ident;
+        struct
+        {
+            enum op_type type;
+            struct range name_loc;
+            array(struct token) children;
+        } op;
+    };
+};
+
+bool lex_token(struct source *source, struct token *tok);
+void free_token(struct token *tok);
+
+#endif