#!/bin/sh
# vim: ft=sh ts=4 sw=4 et
#
# The objective of this script is to transform a shorthand description
# of an Mmake.params file into the Mmake.params itself. The shorthand
# description is given to this script as its arguments.
#
# The shorthand consists of pairs of word:
#
#   grade <full grade name>     meaning that grade
#   args {s,c}                  meaning simple or compact
#   typeinfo {1,2,s,d}          meaning one-cell, one-or-two-cell,
#                               shared-one-or-two-cell, or default
#   opt <integer>               meaning that optimization level
#
# Other arguments are also allowed; these are expected to be other arguments
# to mmc.

usage="$0 [grade g] [args {s,c}] [typeinfo {1,2,s,d}] [opt N] mcflags ..."

GRADE="asm_fast.gc"
MCFLAGS=""
CFLAGS=""

while [ $# -gt 0 ]; do
    case "$1" in

    grade)
        GRADE="$2"
        shift
        shift
        ;;

    args)
        if test "$2" = s
        then
            MCFLAGS="$MCFLAGS --args simple"
        elif test "$2" = c
        then
            MCFLAGS="$MCFLAGS --args compact"
            CFLAGS="$CFLAGS -DCOMPACT_ARGS"
        else
            echo $usage ; exit 1
        fi
        shift
        shift
        ;;

    typeinfo)
        if test "$2" = 1
        then
            MCFLAGS="$MCFLAGS --type-info one-cell"
            CFLAGS="$CFLAGS -DONE_CELL_TYPEINFO"
        elif test "$2" = 2
        then
            MCFLAGS="$MCFLAGS --type-info one-or-two-cell"
            CFLAGS="$CFLAGS -DONE_OR_TWO_CELL_TYPEINFO"
        elif test "$2" = s
        then
            MCFLAGS="$MCFLAGS --type-info shared-one-or-two-cell"
            CFLAGS="$CFLAGS -DSHARED_ONE_OR_TWO_CELL_TYPEINFO"
        elif test "$2" = d
        then
            MCFLAGS="$MCFLAGS --type-info default"
            CFLAGS="$CFLAGS -DDEFAULT_TYPEINFO"
        else
            echo $usage ; exit 1
        fi
        shift
        shift
        ;;

    opt)
        MCFLAGS="$MCFLAGS -O$2"
        shift
        shift
        ;;

    *)
        MCFLAGS="$MCFLAGS $1"
        shift
        ;;

    esac
done

echo "MC = ../scripts/mmc"
echo "GRADE = $GRADE"
echo "MCFLAGS = $MCFLAGS"
echo "EXTRA_CFLAGS = $CFLAGS"
echo "EXTRA_MLFLAGS = -g"
exit 0