1 files changed, 10 insertions, 0 deletions
diff --git a/lexer.l b/lexer.l
index 37dd9b5..56b33e6 100644
--- a/lexer.l
+++ b/lexer.l
@@ -24,6 +24,16 @@
 #include "parser_yacc.h"
 
 int lexerget_lineno(void);
+extern const char *parser_input_buffer;
+
+#define YY_INPUT(buf,result,max_size) { \
+  if (*parser_input_buffer) {           \
+    result = 1;                         \
+    buf[0] = *(parser_input_buffer++);  \
+  } else {                              \
+    result = YY_NULL;                   \
+  }                                     \
+}
 
 %}