1 files changed, 16 insertions, 0 deletions
diff --git a/stm/lexerstm.h b/stm/lexerstm.h
new file mode 100644
index 0000000000..f57d1faa9d
--- /dev/null
+++ b/stm/lexerstm.h
@@ -0,0 +1,16 @@
+typedef struct _py_lexer_str_buf_t {
+    bool free;                  // free src_beg when done
+    const char *src_beg;        // beginning of source
+    const char *src_cur;        // current location in source
+    const char *src_end;        // end (exclusive) of source
+} py_lexer_str_buf_t;
+
+typedef struct _py_lexer_file_buf_t {
+    FIL fp;
+    char buf[20];
+    uint16_t len;
+    uint16_t pos;
+} py_lexer_file_buf_t;
+
+py_lexer_t *py_lexer_new_from_str_len(const char *src_name, const char *str, uint len, bool free_str, py_lexer_str_buf_t *sb);
+py_lexer_t *py_lexer_new_from_file(const char *filename, py_lexer_file_buf_t *fb);