#! /usr/bin/env bash
# EMACS settings: -*-	tab-width: 2; indent-tabs-mode: t -*-
# vim: tabstop=2:shiftwidth=2:noexpandtab
# kate: tab-width 2; replace-tabs off; indent-width 2;
# 
# ==============================================================================
#	Authors:						Patrick Lehmann
# 
#	Bash Script:				Script to compile the OSVVM library for GHDL on Linux
# 
# Description:
# ------------------------------------
#	This is a Bash script (executable) which:
#		- creates a subdirectory in the current working directory
#		- compiles all OSVVM packages 
#
# ==============================================================================
#	Copyright (C) 2015-2016 Patrick Lehmann - Dresden, Germany
#	
#	GHDL is free software; you can redistribute it and/or modify it under
#	the terms of the GNU General Public License as published by the Free
#	Software Foundation; either version 2, or (at your option) any later
#	version.
#	
#	GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
#	WARRANTY; without even the implied warranty of MERCHANTABILITY or
#	FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#	for more details.
#	
#	You should have received a copy of the GNU General Public License
#	along with GHDL; see the file COPYING.  If not, write to the Free
#	Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#	02111-1307, USA.
# ==============================================================================

# ---------------------------------------------
# work around for Darwin (Mac OS)
READLINK=readlink; if [[ $(uname) == "Darwin" ]]; then READLINK=greadlink; fi

# save working directory
WorkingDir=$(pwd)
ScriptDir="$(dirname $0)"
ScriptDir="$($READLINK -f $ScriptDir)"

# source configuration file from GHDL's 'vendors' library directory
. $ScriptDir/../ansi_color.sh
. $ScriptDir/config.sh
. $ScriptDir/shared.sh

# command line argument processing
NO_COMMAND=1
SUPPRESS_WARNINGS=0
HALT_ON_ERROR=0
GHDLBinDir=""
DestDir=""
SrcDir=""
while [[ $# > 0 ]]; do
	key="$1"
	case $key in
		-c|--clean)
		CLEAN=TRUE
		NO_COMMAND=0
		;;
		-a|--all)
		COMPILE_ALL=TRUE
		NO_COMMAND=0
		;;
		--osvvm)
		COMPILE_OSVVM=TRUE
		NO_COMMAND=0
		;;
		-h|--help)
		HELP=TRUE
		NO_COMMAND=0
		;;
		-n|--no-warnings)
		SUPPRESS_WARNINGS=1
		;;
		-H|--halt-on-error)
		HALT_ON_ERROR=1
		;;
		--ghdl)
		GHDLBinDir="$2"
		shift						# skip argument
		;;
		--src)
		SrcDir="$2"
		shift						# skip argument
		;;
		--out)
		DestDir="$2"
		shift						# skip argument
		;;
		*)		# unknown option
		echo 1>&2 -e "${COLORED_ERROR} Unknown command line option '$key'.${ANSI_NOCOLOR}"
		exit -1
		;;
	esac
	shift # skip argument or value
done

# makes no sense to enable it for OSVVM
SKIP_EXISTING_FILES=0

if [ $NO_COMMAND -eq 1 ]; then
	HELP=TRUE
fi

if [ "$HELP" == "TRUE" ]; then
	test $NO_COMMAND -eq 1 && echo 1>&2 -e "\n${COLORED_ERROR} No command selected."
	echo ""
	echo "Synopsis:"
	echo "  A script to compile the simulation library 'OSVVM' for GHDL on Linux."
	echo "  A library folder 'osvvm/v08' will be created relative to the current"
	echo "  working directory."
	echo ""
	echo "  Use the adv. options or edit 'config.sh' to supply paths and default params."
	echo ""
	echo "Usage:"
	echo "  compile-osvvm.sh <common command>|<library> [<options>] [<adv. options>]"
	echo ""
	echo "Common commands:"
	echo "  -h --help             Print this help page"
	echo "  -c --clean            Remove all generated files"
	echo ""
	echo "Libraries:"
	echo "  -a --all              Compile all libraries."
	echo "     --osvvm            Compile library osvvm."
	echo ""
	echo "Library compile options:"
	echo "  -H --halt-on-error    Halt on error(s)."
	echo ""
	echo "Advanced options:"
	echo "  --ghdl <GHDL bin dir> Path to GHDL's binary directory, e.g. /usr/local/bin"
	echo "  --out <dir name>      Name of the output directory, e.g. vunit"
	echo "  --src <Path to OSVVM> Path to the sources."
	echo ""
	echo "Verbosity:"
	echo "  -n --no-warnings      Suppress all warnings. Show only error messages."
	echo ""
	exit 0
fi

if [ "$COMPILE_ALL" == "TRUE" ]; then
	COMPILE_OSVVM=TRUE
fi


# -> $SourceDirectories
# -> $DestinationDirectories
# -> $SrcDir
# -> $DestDir
# -> $GHDLBinDir
# <= $SourceDirectory
# <= $DestinationDirectory
# <= $GHDLBinary
SetupDirectories OSVVM "OSVVM"

# create "osvvm" directory and change to it
# => $DestinationDirectory
CreateDestinationDirectory
cd $DestinationDirectory


# => $SUPPRESS_WARNINGS
# <= $GRC_COMMAND
SetupGRCat


# define global GHDL Options
GHDL_OPTIONS=(-fexplicit -frelaxed-rules --no-vital-checks --warn-binding --mb-comments)


# Cleanup directory
# ==============================================================================
if [ "$CLEAN" == "TRUE" ]; then
	echo -e "${ANSI_YELLOW}Cleaning up directory ...${ANSI_NOCOLOR}"
	rm *.o 2> /dev/null
	rm *.cf 2> /dev/null
fi


# create local set of GHDL parameters
GHDL_PARAMS=(--std=08)
GHDL_PARAMS+=(${GHDL_OPTIONS[@]})
VHDLVersion="v08"

# Library osvvm
# ==============================================================================
# compile osvvm packages
ERRORCOUNT=0
if [ "$COMPILE_OSVVM" == "TRUE" ]; then
	Library="osvvm"
	Files=(
		NamePkg.vhd
		OsvvmGlobalPkg.vhd
		VendorCovApiPkg.vhd
		TranscriptPkg.vhd
		TextUtilPkg.vhd
		AlertLogPkg.vhd
		MessagePkg.vhd
		SortListPkg_int.vhd
		RandomBasePkg.vhd
		RandomPkg.vhd
		CoveragePkg.vhd
		MemoryPkg.vhd
		ScoreboardGenericPkg.vhd
		ScoreboardPkg_slv.vhd
		ScoreboardPkg_int.vhd
		ResolutionPkg.vhd
		TbUtilPkg.vhd
		OsvvmContext.vhd
	)

	# append absolute source path
	SourceFiles=()
	for File in ${Files[@]}; do
		SourceFiles+=("$SourceDirectory/$File")
	done

	GHDLCompilePackages
fi

echo "--------------------------------------------------------------------------------"
echo -n "Compiling OSVVM packages "
if [ $ERRORCOUNT -gt 0 ]; then
	echo -e $COLORED_FAILED
else
	echo -e $COLORED_SUCCESSFUL
fi