463 lines
20 KiB
Rust
463 lines
20 KiB
Rust
use crate::prolog::clause_types::*;
|
|
use crate::prolog::forms::*;
|
|
use crate::prolog::instructions::*;
|
|
use crate::prolog::machine::machine_errors::*;
|
|
use crate::prolog::machine::machine_indices::*;
|
|
|
|
use std::fmt;
|
|
|
|
impl fmt::Display for LocalCodePtr {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
LocalCodePtr::DirEntry(p) => write!(f, "LocalCodePtr::DirEntry({})", p),
|
|
LocalCodePtr::InSituDirEntry(p) => write!(f, "LocalCodePtr::InSituDirEntry({})", p),
|
|
LocalCodePtr::TopLevel(cn, p) => write!(f, "LocalCodePtr::TopLevel({}, {})", cn, p),
|
|
LocalCodePtr::UserGoalExpansion(p) => {
|
|
write!(f, "LocalCodePtr::UserGoalExpansion({})", p)
|
|
}
|
|
LocalCodePtr::UserTermExpansion(p) => {
|
|
write!(f, "LocalCodePtr::UserTermExpansion({})", p)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for REPLCodePtr {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
REPLCodePtr::CompileBatch =>
|
|
write!(f, "REPLCodePtr::CompileBatch"),
|
|
REPLCodePtr::UseModule =>
|
|
write!(f, "REPLCodePtr::UseModule"),
|
|
REPLCodePtr::UseQualifiedModule =>
|
|
write!(f, "REPLCodePtr::UseQualifiedModule"),
|
|
REPLCodePtr::UseModuleFromFile =>
|
|
write!(f, "REPLCodePtr::UseModuleFromFile"),
|
|
REPLCodePtr::UseQualifiedModuleFromFile =>
|
|
write!(f, "REPLCodePtr::UseQualifiedModuleFromFile")
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for IndexPtr {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&IndexPtr::DynamicUndefined => write!(f, "undefined"),
|
|
&IndexPtr::Undefined => write!(f, "undefined"),
|
|
&IndexPtr::Index(i) => write!(f, "{}", i),
|
|
&IndexPtr::InSituDirEntry(i) => write!(f, "in_situ({})", i),
|
|
&IndexPtr::UserTermExpansion => write!(f, "user:term_expansion"),
|
|
&IndexPtr::UserGoalExpansion => write!(f, "user:goal_expansion"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for FactInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&FactInstruction::GetConstant(lvl, ref constant, ref r) => {
|
|
write!(f, "get_constant {}, {}{}", constant, lvl, r.reg_num())
|
|
}
|
|
&FactInstruction::GetList(lvl, ref r) => {
|
|
write!(f, "get_list {}{}", lvl, r.reg_num())
|
|
}
|
|
&FactInstruction::GetPartialString(lvl, ref s, r, has_tail) => {
|
|
write!(f, "get_partial_string({}, {}, {}, {})",
|
|
lvl, s, r, has_tail)
|
|
}
|
|
&FactInstruction::GetStructure(ref ct, ref arity, ref r) => {
|
|
write!(f, "get_structure {}/{}, {}", ct.name(), arity, r)
|
|
}
|
|
&FactInstruction::GetValue(ref x, ref a) => write!(f, "get_value {}, A{}", x, a),
|
|
&FactInstruction::GetVariable(ref x, ref a) => {
|
|
write!(f, "fact:get_variable {}, A{}", x, a)
|
|
}
|
|
&FactInstruction::UnifyConstant(ref constant) => {
|
|
write!(f, "unify_constant {}", constant)
|
|
}
|
|
&FactInstruction::UnifyVariable(ref r) => write!(f, "unify_variable {}", r),
|
|
&FactInstruction::UnifyLocalValue(ref r) => write!(f, "unify_local_value {}", r),
|
|
&FactInstruction::UnifyValue(ref r) => write!(f, "unify_value {}", r),
|
|
&FactInstruction::UnifyVoid(n) => write!(f, "unify_void {}", n),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for QueryInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&QueryInstruction::GetVariable(ref x, ref a) => {
|
|
write!(f, "query:get_variable {}, A{}", x, a)
|
|
}
|
|
&QueryInstruction::PutConstant(lvl, ref constant, ref r) => {
|
|
write!(f, "put_constant {}, {}{}", constant, lvl, r.reg_num())
|
|
}
|
|
&QueryInstruction::PutList(lvl, ref r) => {
|
|
write!(f, "put_list {}{}", lvl, r.reg_num())
|
|
}
|
|
&QueryInstruction::PutPartialString(lvl, ref s, r, has_tail) => {
|
|
write!(f, "put_partial_string({}, {}, {}, {})",
|
|
lvl, s, r, has_tail)
|
|
}
|
|
&QueryInstruction::PutStructure(ref ct, ref arity, ref r) => {
|
|
write!(f, "put_structure {}/{}, {}", ct.name(), arity, r)
|
|
}
|
|
&QueryInstruction::PutUnsafeValue(y, a) => write!(f, "put_unsafe_value Y{}, A{}", y, a),
|
|
&QueryInstruction::PutValue(ref x, ref a) => write!(f, "put_value {}, A{}", x, a),
|
|
&QueryInstruction::PutVariable(ref x, ref a) => write!(f, "put_variable {}, A{}", x, a),
|
|
&QueryInstruction::SetConstant(ref constant) => write!(f, "set_constant {}", constant),
|
|
&QueryInstruction::SetLocalValue(ref r) => write!(f, "set_local_value {}", r),
|
|
&QueryInstruction::SetVariable(ref r) => write!(f, "set_variable {}", r),
|
|
&QueryInstruction::SetValue(ref r) => write!(f, "set_value {}", r),
|
|
&QueryInstruction::SetVoid(n) => write!(f, "set_void {}", n),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for CompareNumberQT {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&CompareNumberQT::GreaterThan => write!(f, ">"),
|
|
&CompareNumberQT::GreaterThanOrEqual => write!(f, ">="),
|
|
&CompareNumberQT::LessThan => write!(f, "<"),
|
|
&CompareNumberQT::LessThanOrEqual => write!(f, "<="),
|
|
&CompareNumberQT::NotEqual => write!(f, "=\\="),
|
|
&CompareNumberQT::Equal => write!(f, "=:="),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for CompareTermQT {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&CompareTermQT::GreaterThan => write!(f, "@>"),
|
|
&CompareTermQT::GreaterThanOrEqual => write!(f, "@>="),
|
|
&CompareTermQT::LessThan => write!(f, "@<"),
|
|
&CompareTermQT::LessThanOrEqual => write!(f, "@<="),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ClauseType {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&ClauseType::System(SystemClauseType::SetCutPoint(r)) => write!(f, "$set_cp({})", r),
|
|
&ClauseType::Named(ref name, _, ref idx) | &ClauseType::Op(ref name, _, ref idx) => {
|
|
let idx = idx.0.borrow();
|
|
write!(f, "{}:{}/{}", idx.1, name, idx.0)
|
|
}
|
|
ref ct => write!(f, "{}", ct.name()),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for HeapCellValue {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&HeapCellValue::Addr(ref addr) => write!(f, "{}", addr),
|
|
&HeapCellValue::Atom(ref atom, _) => write!(f, "{}", atom.as_str()),
|
|
&HeapCellValue::DBRef(ref db_ref) => write!(f, "{}", db_ref),
|
|
&HeapCellValue::Integer(ref n) => write!(f, "{}", n),
|
|
&HeapCellValue::Rational(ref n) => write!(f, "{}", n),
|
|
&HeapCellValue::NamedStr(arity, ref name, Some(ref cell)) => write!(
|
|
f,
|
|
"{}/{} (op, priority: {}, spec: {})",
|
|
name.as_str(),
|
|
arity,
|
|
cell.prec(),
|
|
cell.assoc()
|
|
),
|
|
&HeapCellValue::NamedStr(arity, ref name, None) => {
|
|
write!(f, "{}/{}", name.as_str(), arity)
|
|
}
|
|
&HeapCellValue::PartialString(ref pstr, has_tail) => {
|
|
write!(
|
|
f,
|
|
"pstr ( buf: \"{}\", has_tail({}) )",
|
|
pstr.as_str_from(0),
|
|
has_tail,
|
|
)
|
|
}
|
|
&HeapCellValue::Stream(ref stream) => {
|
|
write!(f, "$stream({})", stream.as_ptr() as usize)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for DBRef {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&DBRef::NamedPred(ref name, arity, _) => write!(f, "db_ref:named:{}/{}", name, arity),
|
|
&DBRef::Op(priority, spec, ref name, ..) => {
|
|
write!(f, "db_ref:op({}, {}, {})", priority, spec, name)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Addr {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&Addr::Char(c) => write!(f, "Addr::Char({})", c),
|
|
&Addr::CharCode(c) => write!(f, "Addr::CharCode({})", c),
|
|
&Addr::EmptyList => write!(f, "Addr::EmptyList"),
|
|
&Addr::Fixnum(n) => write!(f, "Addr::Fixnum({})", n),
|
|
&Addr::Float(fl) => write!(f, "Addr::Float({})", fl),
|
|
&Addr::CutPoint(cp) => write!(f, "Addr::CutPoint({})", cp),
|
|
&Addr::Con(ref c) => write!(f, "Addr::Con({})", c),
|
|
&Addr::Lis(l) => write!(f, "Addr::Lis({})", l),
|
|
&Addr::AttrVar(h) => write!(f, "Addr::AttrVar({})", h),
|
|
&Addr::HeapCell(h) => write!(f, "Addr::HeapCell({})", h),
|
|
&Addr::StackCell(fr, sc) => write!(f, "Addr::StackCell({}, {})", fr, sc),
|
|
&Addr::Str(s) => write!(f, "Addr::Str({})", s),
|
|
&Addr::PStrLocation(h, n) => write!(f, "Addr::PStrLocation({}, {})", h, n),
|
|
&Addr::Stream(stream) => write!(f, "Addr::Stream({})", stream),
|
|
&Addr::Usize(cp) => write!(f, "Addr::Usize({})", cp),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ControlInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&ControlInstruction::Allocate(num_cells) => write!(f, "allocate {}", num_cells),
|
|
&ControlInstruction::CallClause(ref ct, arity, pvs, true, true) => {
|
|
write!(f, "call_with_default_policy {}/{}, {}", ct, arity, pvs)
|
|
}
|
|
&ControlInstruction::CallClause(ref ct, arity, pvs, false, true) => {
|
|
write!(f, "execute_with_default_policy {}/{}, {}", ct, arity, pvs)
|
|
}
|
|
&ControlInstruction::CallClause(ref ct, arity, pvs, true, false) => {
|
|
write!(f, "execute {}/{}, {}", ct, arity, pvs)
|
|
}
|
|
&ControlInstruction::CallClause(ref ct, arity, pvs, false, false) => {
|
|
write!(f, "call {}/{}, {}", ct, arity, pvs)
|
|
}
|
|
&ControlInstruction::Deallocate => write!(f, "deallocate"),
|
|
&ControlInstruction::JmpBy(arity, offset, pvs, false) => {
|
|
write!(f, "jmp_by_call {}/{}, {}", offset, arity, pvs)
|
|
}
|
|
&ControlInstruction::JmpBy(arity, offset, pvs, true) => {
|
|
write!(f, "jmp_by_execute {}/{}, {}", offset, arity, pvs)
|
|
}
|
|
&ControlInstruction::Proceed => write!(f, "proceed"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for IndexedChoiceInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&IndexedChoiceInstruction::Try(offset) => write!(f, "try {}", offset),
|
|
&IndexedChoiceInstruction::Retry(offset) => write!(f, "retry {}", offset),
|
|
&IndexedChoiceInstruction::Trust(offset) => write!(f, "trust {}", offset),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ChoiceInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&ChoiceInstruction::TryMeElse(offset) => write!(f, "try_me_else {}", offset),
|
|
&ChoiceInstruction::DefaultRetryMeElse(offset) => {
|
|
write!(f, "retry_me_else_by_default {}", offset)
|
|
}
|
|
&ChoiceInstruction::RetryMeElse(offset) => write!(f, "retry_me_else {}", offset),
|
|
&ChoiceInstruction::DefaultTrustMe => write!(f, "trust_me_by_default"),
|
|
&ChoiceInstruction::TrustMe => write!(f, "trust_me"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for IndexingInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&IndexingInstruction::SwitchOnTerm(v, c, l, s) => {
|
|
write!(f, "switch_on_term {}, {}, {}, {}", v, c, l, s)
|
|
}
|
|
&IndexingInstruction::SwitchOnConstant(num_cs, _) => {
|
|
write!(f, "switch_on_constant {}", num_cs)
|
|
}
|
|
&IndexingInstruction::SwitchOnStructure(num_ss, _) => {
|
|
write!(f, "switch_on_structure {}", num_ss)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for SessionError {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&SessionError::CannotOverwriteBuiltIn(ref msg) => write!(f, "cannot overwrite {}", msg),
|
|
&SessionError::CannotOverwriteImport(ref msg) => {
|
|
write!(f, "cannot overwrite import {}", msg)
|
|
}
|
|
&SessionError::InvalidFileName(ref filename) => {
|
|
write!(f, "filename {} is invalid", filename)
|
|
}
|
|
&SessionError::ModuleNotFound => write!(f, "module not found."),
|
|
&SessionError::ModuleDoesNotContainExport(ref module, ref key) => {
|
|
write!(
|
|
f,
|
|
"module {} does not contain claimed export {}/{}",
|
|
module,
|
|
key.0,
|
|
key.1,
|
|
)
|
|
}
|
|
&SessionError::OpIsInfixAndPostFix(_) => {
|
|
write!(f, "cannot define an op to be both postfix and infix.")
|
|
}
|
|
&SessionError::NamelessEntry => {
|
|
write!(f, "the predicate head is not an atom or clause.")
|
|
}
|
|
&SessionError::ParserError(ref e) => write!(f, "syntax_error({})", e.as_str()),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Line {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&Line::Arithmetic(ref arith_instr) => write!(f, "{}", arith_instr),
|
|
&Line::Choice(ref choice_instr) => write!(f, "{}", choice_instr),
|
|
&Line::Control(ref control_instr) => write!(f, "{}", control_instr),
|
|
&Line::Cut(ref cut_instr) => write!(f, "{}", cut_instr),
|
|
&Line::Fact(ref fact_instr) => write!(f, "{}", fact_instr),
|
|
&Line::Indexing(ref indexing_instr) => write!(f, "{}", indexing_instr),
|
|
&Line::IndexedChoice(ref indexed_choice_instr) => write!(f, "{}", indexed_choice_instr),
|
|
&Line::Query(ref query_instr) => write!(f, "{}", query_instr),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Number {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&Number::Fixnum(n) => write!(f, "{}", n),
|
|
&Number::Float(fl) => write!(f, "{}", fl),
|
|
&Number::Integer(ref bi) => write!(f, "{}", bi),
|
|
&Number::Rational(ref r) => write!(f, "{}", r),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ArithmeticTerm {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&ArithmeticTerm::Reg(r) => write!(f, "{}", r),
|
|
&ArithmeticTerm::Interm(i) => write!(f, "@{}", i),
|
|
&ArithmeticTerm::Number(ref n) => write!(f, "{}", n),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for ArithmeticInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&ArithmeticInstruction::Abs(ref a1, ref t) => write!(f, "abs {}, @{}", a1, t),
|
|
&ArithmeticInstruction::Add(ref a1, ref a2, ref t) => {
|
|
write!(f, "add {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Sub(ref a1, ref a2, ref t) => {
|
|
write!(f, "sub {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Mul(ref a1, ref a2, ref t) => {
|
|
write!(f, "mul {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Pow(ref a1, ref a2, ref t) => {
|
|
write!(f, "** {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::IntPow(ref a1, ref a2, ref t) => {
|
|
write!(f, "^ {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Div(ref a1, ref a2, ref t) => {
|
|
write!(f, "div {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::IDiv(ref a1, ref a2, ref t) => {
|
|
write!(f, "idiv {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Max(ref a1, ref a2, ref t) => {
|
|
write!(f, "max {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Min(ref a1, ref a2, ref t) => {
|
|
write!(f, "min {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::IntFloorDiv(ref a1, ref a2, ref t) => {
|
|
write!(f, "int_floor_div {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::RDiv(ref a1, ref a2, ref t) => {
|
|
write!(f, "rdiv {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Gcd(ref a1, ref a2, ref t) => {
|
|
write!(f, "gcd {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Shl(ref a1, ref a2, ref t) => {
|
|
write!(f, "shl {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Shr(ref a1, ref a2, ref t) => {
|
|
write!(f, "shr {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Xor(ref a1, ref a2, ref t) => {
|
|
write!(f, "xor {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::And(ref a1, ref a2, ref t) => {
|
|
write!(f, "and {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Or(ref a1, ref a2, ref t) => {
|
|
write!(f, "or {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Mod(ref a1, ref a2, ref t) => {
|
|
write!(f, "mod {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Rem(ref a1, ref a2, ref t) => {
|
|
write!(f, "rem {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::ATan2(ref a1, ref a2, ref t) => {
|
|
write!(f, "atan2 {}, {}, @{}", a1, a2, t)
|
|
}
|
|
&ArithmeticInstruction::Plus(ref a, ref t) => write!(f, "plus {}, @{}", a, t),
|
|
&ArithmeticInstruction::Sign(ref a, ref t) => write!(f, "sign {}, @{}", a, t),
|
|
&ArithmeticInstruction::Neg(ref a, ref t) => write!(f, "neg {}, @{}", a, t),
|
|
&ArithmeticInstruction::Cos(ref a, ref t) => write!(f, "cos {}, @{}", a, t),
|
|
&ArithmeticInstruction::Sin(ref a, ref t) => write!(f, "sin {}, @{}", a, t),
|
|
&ArithmeticInstruction::Tan(ref a, ref t) => write!(f, "tan {}, @{}", a, t),
|
|
&ArithmeticInstruction::ATan(ref a, ref t) => write!(f, "atan {}, @{}", a, t),
|
|
&ArithmeticInstruction::ASin(ref a, ref t) => write!(f, "asin {}, @{}", a, t),
|
|
&ArithmeticInstruction::ACos(ref a, ref t) => write!(f, "acos {}, @{}", a, t),
|
|
&ArithmeticInstruction::Log(ref a, ref t) => write!(f, "log {}, @{}", a, t),
|
|
&ArithmeticInstruction::Exp(ref a, ref t) => write!(f, "exp {}, @{}", a, t),
|
|
&ArithmeticInstruction::Sqrt(ref a, ref t) => write!(f, "sqrt {}, @{}", a, t),
|
|
&ArithmeticInstruction::BitwiseComplement(ref a, ref t) => {
|
|
write!(f, "bitwise_complement {}, @{}", a, t)
|
|
}
|
|
&ArithmeticInstruction::Truncate(ref a, ref t) => write!(f, "truncate {}, @{}", a, t),
|
|
&ArithmeticInstruction::Round(ref a, ref t) => write!(f, "round {}, @{}", a, t),
|
|
&ArithmeticInstruction::Ceiling(ref a, ref t) => write!(f, "ceiling {}, @{}", a, t),
|
|
&ArithmeticInstruction::Floor(ref a, ref t) => write!(f, "floor {}, @{}", a, t),
|
|
&ArithmeticInstruction::Float(ref a, ref t) => write!(f, "float {}, @{}", a, t),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for CutInstruction {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&CutInstruction::Cut(r) => write!(f, "cut {}", r),
|
|
&CutInstruction::NeckCut => write!(f, "neck_cut"),
|
|
&CutInstruction::GetLevel(r) => write!(f, "get_level {}", r),
|
|
&CutInstruction::GetLevelAndUnify(r) => write!(f, "get_level_and_unify {}", r),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Level {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
match self {
|
|
&Level::Root | &Level::Shallow => write!(f, "A"),
|
|
&Level::Deep => write!(f, "X"),
|
|
}
|
|
}
|
|
}
|