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-rw-r--r--README.BTYACC16
1 files changed, 15 insertions, 1 deletions
diff --git a/README.BTYACC b/README.BTYACC
index 705481f82685..e617ec2e78f3 100644
--- a/README.BTYACC
+++ b/README.BTYACC
@@ -1,4 +1,4 @@
--- $Id: README.BTYACC,v 1.1 2014/03/25 19:21:31 Tom.Shields Exp $
+-- $Id: README.BTYACC,v 1.2 2014/04/22 08:18:57 Tom.Shields Exp $
The original README from btyacc is below.
@@ -8,6 +8,20 @@ byacc baseline.
The %include and %define/%ifdef enhancements described below are not currently
incorporated.
+The position management functionality ("YYPOSN", "yyposn", "YYREDUCEPOSNFUNC",
+"YYREDUCEPOSNFUNCARG" & "YYCALLREDUCEPOSN") is replaced by a bison-compatible
+"%locations" implementation.
+
+The memory management functionality ("YYDELETEVAL" & "YYDELETEPOSN") is
+replaced by a bison-compatible "%destructor" implementation.
+
+The detailed syntax error processing functionality ("YYERROR_DETAILED"
+& "yyerror_detailed()") is subsumed by the bison-compatible "yyerror()"
+implementation, as modified by the %parse-param and %locations directives.
+
+The debugging macro "YYDBPR()" in the parser skeleton is renamed
+"YYSTYPE_TOSTRING()".
+
-------------------------------------------------------------------------------
BTYACC -- backtracking yacc
===========================