1 files changed, 23 insertions, 0 deletions
diff --git a/py/lexerfile.c b/py/lexerfile.c
new file mode 100644
index 0000000000..74bb5a061a
--- /dev/null
+++ b/py/lexerfile.c
@@ -0,0 +1,23 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "misc.h"
+#include "lexer.h"
+
+py_lexer_t *py_lexer_from_file(const char *filename) {
+    // TODO abstract away file functionality
+    int fd = open(filename, O_RDONLY);
+    if (fd < 0) {
+        printf("cannot open file %s\n", filename);
+        return NULL;
+    }
+    uint size = lseek(fd, 0, SEEK_END);
+    lseek(fd, 0, SEEK_SET);
+    char *data = m_new(char, size);
+    read(fd, data, size);
+    close(fd);
+
+    return py_lexer_from_str_len(filename, data, size, true);
+}