Files
scryer-prolog/src/prolog/macros.rs
2018-03-17 15:45:17 -06:00

742 lines
14 KiB
Rust

macro_rules! clause_name {
($name: expr) => (
ClauseName::BuiltIn($name)
)
}
macro_rules! tabled_rc {
($e:expr, $tbl:expr) => (
TabledRc::new(String::from($e), $tbl.clone())
)
}
macro_rules! atom {
($e:expr, $tbl:expr) => (
Constant::Atom(ClauseName::User(tabled_rc!($e, $tbl)))
);
($e:expr) => (
Constant::Atom(clause_name!($e))
)
}
macro_rules! internal_call_n {
() => (
Line::BuiltIn(BuiltInInstruction::InternalCallN)
)
}
macro_rules! allocate {
($cells:expr) => (
Line::Control(ControlInstruction::Allocate($cells))
)
}
macro_rules! deallocate {
() => (
Line::Control(ControlInstruction::Deallocate)
)
}
macro_rules! compare_number_instr {
($cmp: expr, $at_1: expr, $at_2: expr) => (
Line::BuiltIn(BuiltInInstruction::CompareNumber($cmp, $at_1, $at_2))
)
}
macro_rules! interm {
($n: expr) => (
ArithmeticTerm::Interm($n)
)
}
macro_rules! query {
[$($x:expr),+] => (
Line::Query(vec![$($x),+])
)
}
macro_rules! heap_atom {
($name:expr) => (
HeapCellValue::Addr(Addr::Con(atom!($name)))
);
($name:expr, $tbl:expr) => (
HeapCellValue::Addr(Addr::Con(atom!($name, $tbl)))
)
}
macro_rules! functor {
($name:expr) => (
vec![ heap_atom!($name) ]
);
($name:expr, $len:expr, [$($args:expr),*]) => (
vec![ HeapCellValue::NamedStr($len, clause_name!($name), None), $($args),* ]
)
}
macro_rules! fact {
[$($x:expr),+] => (
Line::Fact(vec![$($x),+])
)
}
macro_rules! temp_v {
($x:expr) => (
RegType::Temp($x)
)
}
macro_rules! perm_v {
($x:expr) => (
RegType::Perm($x)
)
}
macro_rules! get_var_in_query {
($r:expr, $arg:expr) => (
QueryInstruction::GetVariable($r, $arg)
)
}
macro_rules! get_value {
($r:expr, $arg:expr) => (
FactInstruction::GetValue($r, $arg)
)
}
macro_rules! set_value {
($r:expr) => (
QueryInstruction::SetValue($r)
)
}
macro_rules! get_var_in_fact {
($r:expr, $arg:expr) => (
FactInstruction::GetVariable($r, $arg)
)
}
macro_rules! put_var {
($r:expr, $arg:expr) => (
QueryInstruction::PutVariable($r, $arg)
)
}
macro_rules! put_structure {
($atom:expr, $arity:expr, $r:expr, Some($fix:expr)) => (
QueryInstruction::PutStructure(ClauseType::Op(clause_name!($atom), $fix), $arity, $r)
);
($atom:expr, $arity:expr, $r:expr, None) => (
QueryInstruction::PutStructure(ClauseType::Named(clause_name!($atom)), $arity, $r)
)
}
macro_rules! put_constant {
($lvl:expr, $cons:expr, $r:expr) => (
QueryInstruction::PutConstant($lvl, $cons, $r)
)
}
macro_rules! set_constant {
($cons:expr) => (
QueryInstruction::SetConstant($cons)
)
}
macro_rules! put_value {
($r:expr, $arg:expr) => (
QueryInstruction::PutValue($r, $arg)
)
}
macro_rules! put_unsafe_value {
($r:expr, $arg:expr) => (
QueryInstruction::PutUnsafeValue($r, $arg)
)
}
macro_rules! try_me_else {
($o:expr) => (
Line::Choice(ChoiceInstruction::TryMeElse($o))
)
}
macro_rules! retry_me_else {
($o:expr) => (
Line::Choice(ChoiceInstruction::RetryMeElse($o))
)
}
macro_rules! is_atom {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsAtom, vec![$r]))
)
}
macro_rules! is_atomic {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsAtomic, vec![$r]))
)
}
macro_rules! is_integer {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsInteger, vec![$r]))
)
}
macro_rules! is_compound {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsCompound, vec![$r]))
)
}
macro_rules! is_float {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsFloat, vec![$r]))
)
}
macro_rules! is_rational {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsRational, vec![$r]))
)
}
macro_rules! is_nonvar {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsNonVar, vec![$r]))
)
}
macro_rules! is_string {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsString, vec![$r]))
)
}
macro_rules! is_var {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::IsVar, vec![$r]))
)
}
macro_rules! trust_me {
() => (
Line::Choice(ChoiceInstruction::TrustMe)
)
}
macro_rules! call_clause {
($ct:expr, $arity:expr, $pvs:expr) => (
Line::Control(ControlInstruction::CallClause($ct, $arity, $pvs, false))
)
}
macro_rules! call_n {
($arity:expr) => (
Line::Control(ControlInstruction::CallClause(ClauseType::CallN, $arity, 0, false))
)
}
macro_rules! execute_n {
($arity:expr) => (
Line::Control(ControlInstruction::CallClause(ClauseType::CallN, $arity, 0, true))
)
}
macro_rules! proceed {
() => (
Line::Control(ControlInstruction::Proceed)
)
}
macro_rules! cut {
($r:expr) => (
Line::Cut(CutInstruction::Cut($r))
)
}
macro_rules! neck_cut {
() => (
Line::Cut(CutInstruction::NeckCut)
)
}
macro_rules! get_current_block {
() => (
Line::BuiltIn(BuiltInInstruction::GetCurrentBlock)
)
}
macro_rules! install_new_block {
() => (
Line::BuiltIn(BuiltInInstruction::InstallNewBlock)
)
}
macro_rules! goto_call {
($line:expr, $arity:expr) => (
Line::Control(ControlInstruction::Goto($line, $arity, false))
)
}
macro_rules! goto_execute {
($line:expr, $arity:expr) => (
Line::Control(ControlInstruction::Goto($line, $arity, true))
)
}
macro_rules! reset_block {
() => (
Line::BuiltIn(BuiltInInstruction::ResetBlock)
)
}
macro_rules! get_ball {
() => (
Line::BuiltIn(BuiltInInstruction::GetBall)
)
}
macro_rules! erase_ball {
() => (
Line::BuiltIn(BuiltInInstruction::EraseBall)
)
}
macro_rules! unify {
() => (
Line::BuiltIn(BuiltInInstruction::Unify)
)
}
macro_rules! is_call {
($r:expr, $at:expr) => (
Line::Control(ControlInstruction::IsClause(false, $r, $at))
)
}
macro_rules! unwind_stack {
() => (
Line::BuiltIn(BuiltInInstruction::UnwindStack)
)
}
macro_rules! clean_up_block {
() => (
Line::BuiltIn(BuiltInInstruction::CleanUpBlock)
)
}
macro_rules! set_ball {
() => (
Line::BuiltIn(BuiltInInstruction::SetBall)
)
}
macro_rules! fail {
() => (
Line::BuiltIn(BuiltInInstruction::Fail)
)
}
macro_rules! succeed {
() => (
Line::BuiltIn(BuiltInInstruction::Succeed)
)
}
macro_rules! duplicate_term {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::DuplicateTerm, 2, 0, false))
)
}
macro_rules! get_level {
($r:expr) => (
Line::Cut(CutInstruction::GetLevel($r))
)
}
macro_rules! switch_on_term {
($v:expr, $c:expr, $l:expr, $s:expr) => (
Line::Indexing(IndexingInstruction::SwitchOnTerm($v, $c, $l, $s))
)
}
macro_rules! indexed_try {
($i:expr) => (
Line::IndexedChoice(IndexedChoiceInstruction::Try($i))
)
}
macro_rules! retry {
($i:expr) => (
Line::IndexedChoice(IndexedChoiceInstruction::Retry($i))
)
}
macro_rules! trust {
($i:expr) => (
Line::IndexedChoice(IndexedChoiceInstruction::Trust($i))
)
}
macro_rules! get_constant {
($c:expr, $r:expr) => (
FactInstruction::GetConstant(Level::Shallow, $c, $r)
)
}
macro_rules! get_structure {
($atom:expr, $arity:expr, $r:expr, Some($fix:expr)) => (
FactInstruction::GetStructure(ClauseType::Op(clause_name!($atom), $fix), $arity, $r)
);
($atom:expr, $arity:expr, $r:expr, None) => (
FactInstruction::GetStructure(ClauseType::Named(clause_name!($atom)), $arity, $r)
)
}
macro_rules! functor_call {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Functor, 3, 0, false))
)
}
macro_rules! functor_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Functor, 3, 0, true))
)
}
macro_rules! unify_value {
($r:expr) => (
FactInstruction::UnifyValue($r)
)
}
macro_rules! unify_variable {
($r:expr) => (
FactInstruction::UnifyVariable($r)
)
}
macro_rules! unify_void {
($n:expr) => (
FactInstruction::UnifyVoid($n)
)
}
macro_rules! set_cp {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::SetCutPoint($r))
)
}
macro_rules! get_cp {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::GetCutPoint($r))
)
}
macro_rules! integer {
($i:expr) => (
Constant::Number(Number::Integer(Rc::new(BigInt::from($i))))
)
}
macro_rules! add {
($at_1:expr, $at_2:expr, $o:expr) => (
Line::Arithmetic(ArithmeticInstruction::Add($at_1, $at_2, $o))
)
}
macro_rules! sub {
($at_1:expr, $at_2:expr, $o:expr) => (
Line::Arithmetic(ArithmeticInstruction::Sub($at_1, $at_2, $o))
)
}
macro_rules! get_arg_call {
() => (
Line::BuiltIn(BuiltInInstruction::GetArg(false))
)
}
macro_rules! get_arg_execute {
() => (
Line::BuiltIn(BuiltInInstruction::GetArg(true))
)
}
macro_rules! rc_integer {
($e:expr) => (
Number::Integer(Rc::new(BigInt::from($e)))
)
}
macro_rules! rc_atom {
($e:expr) => (
Rc::new(String::from($e))
)
}
macro_rules! infix {
() => (
Fixity::In
)
}
macro_rules! display {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Display, 1, 0, false))
)
}
macro_rules! dynamic_is {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Is, 2, 0, false))
)
}
macro_rules! dynamic_num_test {
($cmp:expr) => (
Line::BuiltIn(BuiltInInstruction::CallInlined(InlinedClauseType::CompareNumber($cmp),
vec![temp_v!(1), temp_v!(2)]))
)
}
macro_rules! cmp_gt {
() => (
CompareNumberQT::GreaterThan
)
}
macro_rules! cmp_lt {
() => (
CompareNumberQT::LessThan
)
}
macro_rules! cmp_gte {
() => (
CompareNumberQT::GreaterThanOrEqual
)
}
macro_rules! cmp_lte {
() => (
CompareNumberQT::LessThanOrEqual
)
}
macro_rules! cmp_ne {
() => (
CompareNumberQT::NotEqual
)
}
macro_rules! cmp_eq {
() => (
CompareNumberQT::Equal
)
}
macro_rules! jmp_call {
($arity:expr, $offset:expr, $pvs:expr) => (
Line::Control(ControlInstruction::JmpBy($arity, $offset, $pvs, false))
)
}
macro_rules! jmp_execute {
($arity:expr, $offset:expr, $pvs:expr) => (
Line::Control(ControlInstruction::JmpBy($arity, $offset, $pvs, true))
)
}
macro_rules! get_list {
($lvl:expr, $r:expr) => (
FactInstruction::GetList($lvl, $r)
)
}
macro_rules! unify_constant {
($c:expr) => (
FactInstruction::UnifyConstant($c)
)
}
macro_rules! install_cleaner {
() => (
Line::BuiltIn(BuiltInInstruction::InstallCleaner)
)
}
macro_rules! check_cp_execute {
() => (
Line::Control(ControlInstruction::CheckCpExecute)
)
}
macro_rules! get_cleaner_call {
() => (
Line::Control(ControlInstruction::GetCleanerCall)
)
}
macro_rules! restore_cut_policy {
() => (
Line::BuiltIn(BuiltInInstruction::RestoreCutPolicy)
)
}
macro_rules! ground_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Ground, 1, 0, true))
)
}
macro_rules! eq_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Eq, 2, 0, true))
)
}
macro_rules! not_eq_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::NotEq, 2, 0, true))
)
}
macro_rules! compare_term_execute {
($qt:expr) => (
Line::Control(ControlInstruction::CallClause(ClauseType::CompareTerm($qt), 2, 0, true))
)
}
macro_rules! term_cmp_gt {
() => (
CompareTermQT::GreaterThan
)
}
macro_rules! term_cmp_lt {
() => (
CompareTermQT::LessThan
)
}
macro_rules! term_cmp_gte {
() => (
CompareTermQT::GreaterThanOrEqual
)
}
macro_rules! term_cmp_lte {
() => (
CompareTermQT::LessThanOrEqual
)
}
macro_rules! term_cmp_ne {
() => (
CompareTermQT::NotEqual
)
}
macro_rules! term_cmp_eq {
() => (
CompareTermQT::Equal
)
}
macro_rules! install_inference_counter {
($r1:expr, $r2:expr, $r3:expr) => (
Line::BuiltIn(BuiltInInstruction::InstallInferenceCounter($r1, $r2, $r3))
)
}
macro_rules! remove_inference_counter {
($r1:expr, $r2:expr) => (
Line::BuiltIn(BuiltInInstruction::RemoveInferenceCounter($r1, $r2))
)
}
macro_rules! inference_level {
($r1:expr, $r2:expr) => (
Line::BuiltIn(BuiltInInstruction::InferenceLevel($r1, $r2))
)
}
macro_rules! default_set_cp {
($r:expr) => (
Line::BuiltIn(BuiltInInstruction::DefaultSetCutPoint($r))
)
}
macro_rules! default_retry_me_else {
($o:expr) => (
Line::BuiltIn(BuiltInInstruction::DefaultRetryMeElse($o))
)
}
macro_rules! default_trust_me {
() => (
Line::BuiltIn(BuiltInInstruction::DefaultTrustMe)
)
}
macro_rules! remove_call_policy_check {
() => (
Line::BuiltIn(BuiltInInstruction::RemoveCallPolicyCheck)
)
}
macro_rules! compare_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Compare, 2, 0, true))
)
}
macro_rules! module_decl {
($name:expr, $decls:expr) => (
ModuleDecl { name: $name, exports: $decls }
)
}
macro_rules! try_eval_session {
($e:expr) => (
match $e {
Ok(result) => result,
Err(e) => return EvalSession::from(e)
}
)
}
macro_rules! sort_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::Sort, 2, 0, true))
)
}
macro_rules! keysort_execute {
() => (
Line::Control(ControlInstruction::CallClause(ClauseType::KeySort, 2, 0, true))
)
}
macro_rules! return_from_clause {
($lco:expr, $machine_st:expr) => {{
if $lco {
$machine_st.p = $machine_st.cp.clone();
} else {
$machine_st.p += 1;
}
Ok(())
}}
}