init

1 files changed, 33 insertions, 0 deletions

diff --git a/lisp.lex b/lisp.lex
new file mode 100644
index 0000000..8122d86
--- /dev/null
+++ b/lisp.lex
@@ -0,0 +1,33 @@
+%{
+#include <stdio.h>
+#include <string.h>
+#include "types.h"
+#include "y.tab.h"
+%}
+
+%%
+-?[0-9]+ {
+    yylval.intlit = strdup(yytext);
+    return INTLIT;
+}
+
+[A-z][A-z0-9]+|[+-/*%] {
+    yylval.name = strdup(yytext);
+    return NAME;
+}
+
+[(] {
+	return yytext[0];
+}
+
+[)] {
+	return yytext[0];
+}
+
+.|\n {;}
+
+%%
+
+int yywrap(){
+	return 1;
+}