From 1474ecfe426ef69bbb376df82fd0c48e7dedf606 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 22 Nov 2013 16:22:31 +0100
Subject: [PATCH] Generate the parser and the lexer

---
 src/libexpr/Makefile.new | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/libexpr/Makefile.new b/src/libexpr/Makefile.new
index f6c9004315..5664365841 100644
--- a/src/libexpr/Makefile.new
+++ b/src/libexpr/Makefile.new
@@ -7,4 +7,8 @@ libexpr_SOURCES = \
   get-drvs.cc attr-path.cc value-to-xml.cc value-to-json.cc \
   common-opts.cc names.cc
 
-# FIXME: add rules for parser-tab.cc / lexer-tab.cc.
+$(here)parser-tab.cc $(here)parser-tab.hh: $(here)parser.y
+	bison -v -o $(here)parser-tab.cc $< -d
+
+$(here)lexer-tab.cc $(here)lexer-tab.hh: $(here)lexer.l
+	flex --outfile $(here)lexer-tab.cc --header-file=$(here)lexer-tab.hh $<