diff --git a/.gitignore b/.gitignore
index 52ef1dd..cce1a92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,4 @@ cabal.project.local~
 
 .direnv/
 .envrc
+src/Serene/
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..683a120
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,42 @@
+## File generated by the BNF Converter (bnfc 2.9.5).
+
+# Makefile for building the parser and test program.
+
+GHC        = ghc
+HAPPY      = happy
+HAPPY_OPTS = --array --info --ghc --coerce
+ALEX       = alex
+ALEX_OPTS  = --ghc
+
+# List of goals not corresponding to file names.
+
+.PHONY : all clean distclean
+
+# Default goal.
+
+all : Serene/Test
+
+# Rules for building the parser.
+
+Serene/Abs.hs Serene/Lex.x Serene/Par.y Serene/Print.hs Serene/Test.hs : Serene.cf
+	bnfc --haskell -d Serene.cf
+
+%.hs : %.y
+	${HAPPY} ${HAPPY_OPTS} $<
+
+%.hs : %.x
+	${ALEX} ${ALEX_OPTS} $<
+
+Serene/Test : Serene/Abs.hs Serene/Lex.hs Serene/Par.hs Serene/Print.hs Serene/Test.hs
+	${GHC} ${GHC_OPTS} $@
+
+# Rules for cleaning generated files.
+
+clean :
+	-rm -f Serene/*.hi Serene/*.o Serene/*.log Serene/*.aux Serene/*.dvi
+
+distclean : clean
+	-rm -f Serene/Abs.hs Serene/Abs.hs.bak Serene/ComposOp.hs Serene/ComposOp.hs.bak Serene/Doc.txt Serene/Doc.txt.bak Serene/ErrM.hs Serene/ErrM.hs.bak Serene/Layout.hs Serene/Layout.hs.bak Serene/Lex.x Serene/Lex.x.bak Serene/Par.y Serene/Par.y.bak Serene/Print.hs Serene/Print.hs.bak Serene/Skel.hs Serene/Skel.hs.bak Serene/Test.hs Serene/Test.hs.bak Serene/XML.hs Serene/XML.hs.bak Serene/AST.agda Serene/AST.agda.bak Serene/Parser.agda Serene/Parser.agda.bak Serene/IOLib.agda Serene/IOLib.agda.bak Serene/Main.agda Serene/Main.agda.bak Serene/Serene.dtd Serene/Serene.dtd.bak Serene/Test Serene/Lex.hs Serene/Par.hs Serene/Par.info Serene/ParData.hs Makefile
+	-rmdir -p Serene/
+
+# EOF
diff --git a/src/Serene.cf b/src/Serene.cf
index e69de29..ad9782d 100644
--- a/src/Serene.cf
+++ b/src/Serene.cf
@@ -0,0 +1,25 @@
+Prog. Program ::= [Def];
+
+DTyp.  Def    ::= Ident ":" [Type];
+DDef.  Def    ::= Ident "=" Exp;
+
+terminator Def "";
+separator Type "->";
+
+
+
+EVar.    Exp4    ::= Ident;
+EInt.    Exp4    ::= Integer;
+EDouble. Exp4    ::= Double;
+EApp.    Exp3    ::= Exp3 Exp4;
+EAdd.    Exp2    ::= Exp1 "+" Exp2;
+ESub.    Exp2    ::= Exp1 "-" Exp2;
+EIf.     Exp     ::= Exp "?" Exp ":" Exp;
+EAbs.    Exp     ::= "\\" Ident "->" Exp;
+
+coercions Exp 4;
+
+comment "#";
+
+TInt.    Type ::= "Integer";
+TDouble. Type ::= "Double";