https://github.com/indeyets/syck/issues/10

diff --git a/lib/gram.y b/lib/gram.y
index c32889a..d47add9 100644
--- a/lib/gram.y
+++ b/lib/gram.y
@@ -9,6 +9,8 @@
 
 %start doc
 %pure-parser
+%parse-param {void* parser}
+%lex-param {void* parser}
 
 
 %{
@@ -24,9 +26,6 @@
 
 void apply_seq_in_map( SyckParser *parser, SyckNode *n );
 
-#define YYPARSE_PARAM   parser
-#define YYLEX_PARAM     parser
-
 #define NULL_NODE(parser, node) \
         SyckNode *node = syck_new_str( "", scalar_plain ); \
         if ( ((SyckParser *)parser)->taguri_expansion == 1 ) \
diff --git a/lib/syck.h b/lib/syck.h
index 6282129..fedce0e 100644
--- a/lib/syck.h
+++ b/lib/syck.h
@@ -467,7 +467,7 @@ struct _syck_emitter_node {
 /*
  * Lexer prototypes
  */
-void syckerror( const char * );
+void syckerror( void *, const char * );
 int syckparse( void * );
 
 #if defined(__cplusplus)
diff --git a/lib/token.c b/lib/token.c
index 18f464a..8fbe7ab 100644
--- a/lib/token.c
+++ b/lib/token.c
@@ -200,7 +200,7 @@
     { \
         if ( *indent == '\t' ) \
         { \
-            syckerror("TAB found in your indentation, please remove"); \
+            syckerror(0, "TAB found in your indentation, please remove"); \
             return 0; \
         } \
         else if ( is_newline( indent++ ) ) \
@@ -266,11 +266,11 @@
         return sycklex_yaml_utf8( sycklval, parser );
 
         case syck_yaml_utf16:
-            syckerror( "UTF-16 is not currently supported in Syck.\nPlease contribute code to help this happen!" );
+            syckerror(0, "UTF-16 is not currently supported in Syck.\nPlease contribute code to help this happen!" );
         break;
 
         case syck_yaml_utf32:
-            syckerror( "UTF-32 is not currently supported in Syck.\nPlease contribute code to help this happen!" );
+            syckerror(0, "UTF-32 is not currently supported in Syck.\nPlease contribute code to help this happen!" );
         break;
 
         case syck_bytecode_utf8:
@@ -2768,7 +2768,7 @@
 }
 
 void 
-syckerror( const char *msg )
+syckerror( void * parser, const char *msg )
 {
     if ( syck_parser_ptr->error_handler == NULL )
         syck_parser_ptr->error_handler = syck_default_error_handler;