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|
#!/bin/bash
#
# mkmetakind
# Morgan Deters <mdeters@cs.nyu.edu> for CVC4
# Copyright (c) 2010 The CVC4 Project
#
# The purpose of this script is to create metakind.h from a template
# and a list of theory kinds.
#
# This is kept distinct from kind.h because kind.h is a public header
# and metakind.h is intended for the expr package only.
#
# Invocation:
#
# mkmetakind template-file theory-kind-files...
#
# Output is to standard out.
#
copyright=2010
cat <<EOF
/********************* */
/** metakind.h
**
** Copyright $copyright The AcSys Group, New York University, and as below.
**
** This header file automatically generated by:
**
** $0 $@
**
** for the CVC4 project.
**/
EOF
me=$(basename "$0")
template=$1; shift
metakind_includes=
metakind_kinds=
metakind_constantMaps=
metakind_compares=
metakind_constHashes=
metakind_constPrinters=
metakind_ubchildren=
metakind_lbchildren=
seen_theory=false
seen_theory_builtin=false
function theory {
# theory T header
lineno=${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
theory_class=$1
if [ "$1" != builtin ]; then
metakind_includes="${metakind_includes}
// #include \"theory/$b/$2\""
fi
}
function variable {
# variable K ["comment"]
lineno=${BASH_LINENO[0]}
check_theory_seen
register_metakind VARIABLE "$1" 0
}
function operator {
# operator K #children ["comment"]
lineno=${BASH_LINENO[0]}
check_theory_seen
register_metakind OPERATOR "$1" "$2"
}
function nonatomic_operator {
# nonatomic_operator K #children ["comment"]
lineno=${BASH_LINENO[0]}
check_theory_seen
register_metakind NONATOMIC_OPERATOR "$1" "$2"
}
function parameterized {
# parameterized K #children ["comment"]
lineno=${BASH_LINENO[0]}
check_theory_seen
register_metakind PARAMETERIZED "$1" "$2"
}
function constant {
# constant K T Hasher header ["comment"]
lineno=${BASH_LINENO[0]}
check_theory_seen
if ! expr "$2" : '\(::*\)' >/dev/null; then
if ! primitive_type "$2"; then
# if there's an embedded space, we're probably doing something
# tricky to specify the CONST payload, like "int const*"; in any
# case, this warning gives too many false positives, so disable it
if ! expr "$2" : '..* ..*' >/dev/null; then
echo "$kf:$lineno: warning: constant $1 class \`$2' isn't fully-qualified (e.g., ::CVC4::Rational)" >&2
fi
fi
fi
if ! expr "$3" : '\(::*\)' >/dev/null; then
echo "$kf:$lineno: warning: constant $1 hasher \`$3' isn't fully-qualified (e.g., ::CVC4::RationalHashFcn)" >&2
fi
if [ -n "$4" ]; then
metakind_includes="${metakind_includes}
#include \"$4\""
fi
register_metakind CONSTANT "$1" 0
metakind_constantMaps="${metakind_constantMaps}
}/* CVC4::kind::metakind namespace */
}/* CVC4::kind namespace */
namespace expr {
// The reinterpret_cast of d_children to \"$2 const*\"
// flags a \"strict aliasing\" warning; it's okay, because we never access
// the embedded constant as a NodeValue* child, and never access an embedded
// NodeValue* child as a constant.
#pragma GCC diagnostic ignored \"-Wstrict-aliasing\"
template <>
inline $2 const& NodeValue::getConst< $2 >() const {
AssertArgument(getKind() == ::CVC4::kind::$1, *this,
\"Improper kind for getConst<$2>()\");
// To support non-inlined CONSTANT-kinded NodeValues (those that are
// \"constructed\" when initially checking them against the NodeManager
// pool), we must check d_nchildren here.
return d_nchildren == 0
? *reinterpret_cast< $2 const* >(d_children)
: *reinterpret_cast< $2 const* >(d_children[0]);
}
// re-enable the warning
#pragma GCC diagnostic warning \"-Wstrict-aliasing\"
}/* CVC4::expr namespace */
namespace kind {
namespace metakind {
template <>
struct ConstantMap< $2 > {
// typedef $theory_class OwningTheory;
enum { kind = ::CVC4::kind::$1 };
};/* ConstantMap< $2 > */
template <>
struct ConstantMapReverse< ::CVC4::kind::$1 > {
typedef $2 T;
};/* ConstantMapReverse< ::CVC4::kind::$1 > */
"
metakind_compares="${metakind_compares}
case kind::$1:
return NodeValueConstCompare< kind::$1, pool >::compare(nv1, nv2);
"
metakind_constHashes="${metakind_constHashes}
case kind::$1:
#line $lineno \"$kf\"
return $3::hash(nv->getConst< $2 >());
"
metakind_constPrinters="${metakind_constPrinters}
case kind::$1:
#line $lineno \"$kf\"
out << nv->getConst< $2 >();
break;
"
}
function register_metakind {
mk=$1
k=$2
nc=$3
if [ $mk = NONATOMIC_OPERATOR ]; then
metakind_canbeatomic="${metakind_canbeatomic} false, /* $k */
";
mk=OPERATOR
else
metakind_canbeatomic="${metakind_canbeatomic} true, /* $k */
";
fi
metakind_kinds="${metakind_kinds} metakind::$mk, /* $k */
";
# figure out the range given by $nc
if expr "$nc" : '[0-9]\+$' >/dev/null; then
lb=$nc
ub=$nc
elif expr "$nc" : '[0-9]\+:$' >/dev/null; then
let `echo "$nc" | awk 'BEGIN{FS=":"}{print"lb="$1}'`
ub=MAX_CHILDREN
elif expr "$nc" : '[0-9]\+:[0-9]\+$' >/dev/null; then
let `echo "$nc" | awk 'BEGIN{FS=":"}{print"lb="$1" ub="$2}'`
if [ $ub -lt $lb ]; then
echo "$kf:$lineno: error in range \`$nc': LB < UB (in definition of $k)" >&2
exit 1
fi
else
echo "$kf:$lineno: can't parse range \`$nc' in definition of $k" >&2
exit 1
fi
if [ $mk = OPERATOR -o $mk = PARAMETERIZED ]; then
if [ $lb = 0 ]; then
echo "$kf:$lineno: error in range \`$nc' for \`$k': $mk-kinded kinds must always take at least one child" >&2
exit 1
fi
fi
metakind_lbchildren="${metakind_lbchildren}
$lb, /* $k */"
metakind_ubchildren="${metakind_ubchildren}
$ub, /* $k */"
}
# Returns 0 if arg is a primitive C++ type, or a pointer to same; 1
# otherwise. Really all this does is check whether we should issue a
# "not fully qualified" warning or not.
function primitive_type {
strip=`expr "$1" : ' *\(.*\)\* *'`
if [ -n "$strip" ]; then
primitive_type "$strip" >&2
return $?
fi
case "$1" in
bool|int|size_t|long|void|char|float|double) return 0;;
*) return 1;;
esac
}
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
}
function check_builtin_theory_seen {
if ! $seen_theory_builtin; then
echo "$me: warning: no declaration for the builtin theory found" >&2
fi
}
while [ $# -gt 0 ]; do
kf=$1
seen_theory=false
b=$(basename $(dirname "$kf"))
metakind_kinds="${metakind_kinds}
/* from $b */
"
metakind_canbeatomic="${metakind_canbeatomic}
/* from $b */
"
source "$kf"
check_theory_seen
shift
done
check_builtin_theory_seen
## output
text=$(cat "$template")
for var in \
metakind_includes \
metakind_kinds \
metakind_canbeatomic \
metakind_constantMaps \
metakind_compares \
metakind_constHashes \
metakind_constPrinters \
metakind_ubchildren \
metakind_lbchildren; 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"
|