Partial functions from the Haskell base library, such as head and !!, modified

to return more descriptive error messages, programmer defined error messages,
Maybe wrapped results and default values.

These functions can be used to reduce the number of unsafe pattern matches in
your code.

WWW: http://www-users.cs.york.ac.uk/~ndm/safe/

PR:		ports/142144
Submitted by:	Jacula Modyun <jacula(at)gmail.com>

5 files changed, 100 insertions, 0 deletions

diff --git a/devel/Makefile b/devel/Makefile
index 23821a513398..13998e8b9233 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -551,6 +551,7 @@
     SUBDIR += hs-mmap
     SUBDIR += hs-pcre-light-ghc
     SUBDIR += hs-readline
+    SUBDIR += hs-safe
     SUBDIR += hs-uniplate
     SUBDIR += hs-utf8-string-ghc
     SUBDIR += hs-uuagc
diff --git a/devel/hs-safe/Makefile b/devel/hs-safe/Makefile
new file mode 100644
index 000000000000..dc6f77d085e1
--- /dev/null
+++ b/devel/hs-safe/Makefile
@@ -0,0 +1,75 @@
+# New ports collection makefile for: hs-safe
+# Date created:        December 20 2009
+# Whom:                Giuseppe Pilichi aka Jacula Modyun <jacula@gmail.com>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	safe
+PORTVERSION=	0.2
+CATEGORIES=	devel haskell
+MASTER_SITES=	http://hackage.haskell.org/packages/archive/${PORTNAME}/${PORTVERSION}/
+PKGNAMEPREFIX=	hs-
+
+MAINTAINER=	jacula@gmail.com
+COMMENT=	A Haskell library for safe (pattern match free) functions
+
+BUILD_DEPENDS+=	ghc:${PORTSDIR}/lang/ghc
+RUN_DEPENDS+=	ghc:${PORTSDIR}/lang/ghc
+
+GHC_VERSION=	6.10.4
+SAFE_VERSION=	${PORTVERSION}
+
+GHC_CMD=	${LOCALBASE}/bin/ghc
+SETUP_CMD=	./setup
+
+DOCSDIR=		${PREFIX}/share/doc/${DISTNAME}
+SAFE_LIBDIR_REL=	lib/${DISTNAME}
+
+PLIST_SUB=	GHC_VERSION=${GHC_VERSION} \
+		SAFE_VERSION=${SAFE_VERSION} \
+		SAFE_LIBDIR_REL=${SAFE_LIBDIR_REL}
+
+.if defined(NOPORTDOCS)
+PLIST_SUB+=		NOPORTDOCS=""
+.else
+PLIST_SUB+=		NOPORTDOCS="@comment "
+.endif
+
+.if !defined(NOPORTDOCS)
+
+PORT_HADDOCK!=	(cd  ${.CURDIR}/../../lang/ghc && ${MAKE} -V PORT_HADDOCK)
+.if !empty(PORT_HADDOCK:M?0)
+BUILD_DEPENDS+=	haddock:${PORTSDIR}/devel/hs-haddock
+.endif
+BUILD_DEPENDS+=	HsColour:${PORTSDIR}/print/hs-hscolour
+
+HSCOLOUR_VERSION=	1.15
+HSCOLOUR_DATADIR=	${PREFIX}/share/hscolour-${HSCOLOUR_VERSION}
+
+PORTDOCS=	*
+.endif
+
+.SILENT:
+
+do-configure:
+	cd ${WRKSRC} && ${GHC_CMD} --make Setup.hs -o setup -package Cabal \
+		     && ${SETUP_CMD} configure --haddock-options=-w --prefix=${PREFIX}
+
+do-build:
+	cd ${WRKSRC} && ${SETUP_CMD} build \
+		     && ${SETUP_CMD} register --gen-script
+
+.if !defined(NOPORTDOCS)
+	cd ${WRKSRC} && ${SETUP_CMD} haddock --hyperlink-source \
+					     --hscolour-css=${HSCOLOUR_DATADIR}/hscolour.css
+.endif
+
+do-install:
+	cd ${WRKSRC} && ${SETUP_CMD} install \
+		     && ${INSTALL_SCRIPT} register.sh ${PREFIX}/${SAFE_LIBDIR_REL}/register.sh
+
+post-install:
+	${RM} -f ${PREFIX}/lib/ghc-${GHC_VERSION}/package.conf.old
+
+.include <bsd.port.mk>
diff --git a/devel/hs-safe/distinfo b/devel/hs-safe/distinfo
new file mode 100644
index 000000000000..931ffeaa4316
--- /dev/null
+++ b/devel/hs-safe/distinfo
@@ -0,0 +1,3 @@
+MD5 (safe-0.2.tar.gz) = e5331578ea7e0b68ed1ea4df923a23ca
+SHA256 (safe-0.2.tar.gz) = 73b9a247c3ba8092236c8c912687399778ff31bf3df42d707563a1528a6fc0e0
+SIZE (safe-0.2.tar.gz) = 3557
diff --git a/devel/hs-safe/pkg-descr b/devel/hs-safe/pkg-descr
new file mode 100644
index 000000000000..381c4a0f6a1d
--- /dev/null
+++ b/devel/hs-safe/pkg-descr
@@ -0,0 +1,8 @@
+Partial functions from the Haskell base library, such as head and !!, modified
+to return more descriptive error messages, programmer defined error messages,
+Maybe wrapped results and default values.
+
+These functions can be used to reduce the number of unsafe pattern matches in
+your code.
+
+WWW: http://www-users.cs.york.ac.uk/~ndm/safe/
diff --git a/devel/hs-safe/pkg-plist b/devel/hs-safe/pkg-plist
new file mode 100644
index 000000000000..f69bcafd8767
--- /dev/null
+++ b/devel/hs-safe/pkg-plist
@@ -0,0 +1,13 @@
+@comment $FreeBSD$
+%%SAFE_LIBDIR_REL%%/ghc-%%GHC_VERSION%%/HSsafe-%%SAFE_VERSION%%.o
+%%SAFE_LIBDIR_REL%%/ghc-%%GHC_VERSION%%/Safe.hi
+%%SAFE_LIBDIR_REL%%/ghc-%%GHC_VERSION%%/libHSsafe-%%SAFE_VERSION%%.a
+%%SAFE_LIBDIR_REL%%/register.sh
+%%NOPORTDOCS%%%%DOCSDIR%%/LICENSE
+%%NOPORTDOCS%%@dirrmtry %%DOCSDIR%%
+@dirrm %%SAFE_LIBDIR_REL%%/ghc-%%GHC_VERSION%%
+@dirrm %%SAFE_LIBDIR_REL%%
+@exec /bin/sh %D/%%SAFE_LIBDIR_REL%%/register.sh
+@exec /bin/rm -f %D/lib/ghc-%%GHC_VERSION%%/package.conf.old
+@unexec %D/bin/ghc-pkg unregister safe
+@unexec /bin/rm -f %D/lib/ghc-%%GHC_VERSION%%/package.conf.old