#!/bin/bash
#
# mktheoryof
# Morgan Deters <mdeters@cs.nyu.edu> for CVC4
# Copyright (c) 2010  The CVC4 Project
#
# The purpose of this script is to create theoryof_table.h from a
# template and a list of theory kinds.
#
# Invocation:
#
#   mktheoryof template-file theory-kind-files...
#
# Output is to standard out.
#

copyright=2010

cat <<EOF
/*********************                                                        */
/** theoryof_table.h
 **
 ** Copyright $copyright  The AcSys Group, New York University, and as below.
 **
 ** This header file automatically generated by:
 **
 **     $0 $@
 **
 ** for the CVC4 project.
 **/

EOF

template=$1; shift

theoryof_table_includes=
theoryof_table_registers=

seen_theory=false
seen_theory_builtin=false

function theory {
  lineno=${BASH_LINENO[0]}

  # this script doesn't care about the theory class information, but
  # makes does make sure it's there
  seen_theory=true
  if [ "$1" = builtin ]; then
    if $seen_theory_builtin; then
      echo "$kf:$lineno: error: \"builtin\" theory redefined" >&2
      exit 1
    fi
    seen_theory_builtin=true
  elif [ -z "$1" -o -z "$2" ]; then
    echo "$kf:$lineno: error: \"theory\" directive missing class or header argument" >&2
    exit 1
  elif ! expr "$1" : '\(::*\)' >/dev/null; then
    echo "$kf:$lineno: warning: theory class \`$1' isn't fully-qualified (e.g., ::CVC4::theory::foo)" >&2
  elif ! expr "$1" : '\(::CVC4::theory::*\)' >/dev/null; then
    echo "$kf:$lineno: warning: theory class not under ::CVC4::theory namespace" >&2
  fi

  theoryof_table_includes="${theoryof_table_includes}#include \"theory/$b/$2\"
"
  theoryof_table_registers="${theoryof_table_registers}
  /* from $b */
  void registerTheory($1* th) {
"
}

function variable {
  # variable K ["comment"]

  lineno=${BASH_LINENO[0]}

  do_theoryof "$1"
}

function operator {
  # operator K #children ["comment"]

  lineno=${BASH_LINENO[0]}

  do_theoryof "$1"
}

function nonatomic_operator {
  # nonatomic_operator K #children ["comment"]

  lineno=${BASH_LINENO[0]}

  do_theoryof "$1"
}

function parameterized {
  # parameterized K #children ["comment"]

  lineno=${BASH_LINENO[0]}

  do_theoryof "$1"
}

function constant {
  # constant K T Hasher header ["comment"]

  lineno=${BASH_LINENO[0]}

  do_theoryof "$1"
}

function do_theoryof {
  check_theory_seen
  theoryof_table_registers="${theoryof_table_registers}    d_table[::CVC4::kind::$1] = th;
"
}

function check_theory_seen {
  if ! $seen_theory; then
    echo "$kf:$lineno: error: no \"theory\" declaration found (it has to be first)" >&2
    exit 1
  fi
}

while [ $# -gt 0 ]; do
  kf=$1
  seen_theory=false
  b=$(basename $(dirname "$kf"))
  source "$kf"
  check_theory_seen
  theoryof_table_registers="${theoryof_table_registers}  }
"
  shift
done

## output

text=$(cat "$template")
for var in theoryof_table_includes theoryof_table_registers; do
  eval text="\${text//\\\$\\{$var\\}/\${$var}}"
done
error=`expr "$text" : '.*\${\([^}]*\)}.*'`
if [ -n "$error" ]; then
  echo "$template:0: error: undefined replacement \${$error}" >&2
  exit 1
fi
echo "$text"