Module aya.base

Package org.aya.unify

Class TermComparator

java.lang.Object

org.aya.tyck.tycker.AbstractTycker

org.aya.unify.TermComparator

All Implemented Interfaces:

Contextful, Problematic, Stateful

Direct Known Subclasses:

Unifier

public abstract sealed class TermComparator
extends AbstractTycker
permits Unifier

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	TermComparator.FailureData

Field Summary

Fields

Modifier and Type	Field	Description
protected @NotNull org.aya.util.Ordering	cmp
protected final @NotNull org.aya.util.error.SourcePos	pos

Fields inherited from class org.aya.tyck.tycker.AbstractTycker

reporter, state

Constructor Summary

Constructors

Constructor	Description
TermComparator(@NotNull TyckState state, @NotNull org.aya.syntax.ref.LocalCtx ctx, @NotNull org.aya.util.reporter.Reporter reporter, @NotNull org.aya.util.error.SourcePos pos, @NotNull org.aya.util.Ordering cmp)

Method Summary

Modifier and Type	Method	Description
boolean	checkEqn(TyckState.Eqn eqn)	Maybe you're looking for compare(org.aya.syntax.core.term.Term, org.aya.syntax.core.term.Term, org.aya.syntax.core.term.Term) instead.
boolean	compare(@NotNull org.aya.syntax.core.term.Term preLhs, @NotNull org.aya.syntax.core.term.Term preRhs, @Nullable org.aya.syntax.core.term.Term type)	Compare two terms with the given (if not null)
protected abstract @Nullable org.aya.syntax.core.term.Term	doSolveMeta(@NotNull org.aya.syntax.core.term.call.MetaCall meta, @NotNull org.aya.syntax.core.term.Term rhs, @Nullable org.aya.syntax.core.term.Term type)	Trying to solve with
@NotNull TermComparator.FailureData	getFailure()
@NotNull org.aya.syntax.ref.LocalVar	putIndex(@NotNull org.aya.syntax.core.term.Term term)
protected @Nullable org.aya.syntax.core.term.Term	solveMeta(@NotNull org.aya.syntax.core.term.call.MetaCall meta, @NotNull org.aya.syntax.core.term.Term rhs, @Nullable org.aya.syntax.core.term.Term type)

Methods inherited from class org.aya.tyck.tycker.AbstractTycker

lazyJdg, localCtx, putIndex, reporter, setLocalCtx, state, zonk, zonk, zonk

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.aya.tyck.tycker.Contextful

freshMeta, generatePi, mockTerm, subscoped, with

Methods inherited from interface org.aya.tyck.tycker.Problematic

fail, fail, fail

Methods inherited from interface org.aya.tyck.tycker.Stateful

freezeHoles, solve, whnf

Field Details

pos

@NotNull
protected final @NotNull org.aya.util.error.SourcePos pos

cmp

@NotNull
protected @NotNull org.aya.util.Ordering cmp

Constructor Details

TermComparator

public TermComparator(@NotNull
 @NotNull TyckState state,
 @NotNull
 @NotNull org.aya.syntax.ref.LocalCtx ctx,
 @NotNull
 @NotNull org.aya.util.reporter.Reporter reporter,
 @NotNull
 @NotNull org.aya.util.error.SourcePos pos,
 @NotNull
 @NotNull org.aya.util.Ordering cmp)

Method Details

doSolveMeta

@Nullable
protected abstract @Nullable org.aya.syntax.core.term.Term doSolveMeta(@NotNull
 @NotNull org.aya.syntax.core.term.call.MetaCall meta,
 @NotNull
 @NotNull org.aya.syntax.core.term.Term rhs,
 @Nullable
 @Nullable org.aya.syntax.core.term.Term type)

Trying to solve with

Parameters:

rhs - in whnf

solveMeta

@Nullable
protected @Nullable org.aya.syntax.core.term.Term solveMeta(@NotNull
 @NotNull org.aya.syntax.core.term.call.MetaCall meta,
 @NotNull
 @NotNull org.aya.syntax.core.term.Term rhs,
 @Nullable
 @Nullable org.aya.syntax.core.term.Term type)

compare

public boolean compare(@NotNull
 @NotNull org.aya.syntax.core.term.Term preLhs,
 @NotNull
 @NotNull org.aya.syntax.core.term.Term preRhs,
 @Nullable
 @Nullable org.aya.syntax.core.term.Term type)

Compare two terms with the given (if not null)

Returns:

true if they are 'the same' under , false otherwise.

putIndex

@NotNull
public @NotNull org.aya.syntax.ref.LocalVar putIndex(@NotNull
 @NotNull org.aya.syntax.core.term.Term term)

getFailure

@NotNull
public @NotNull TermComparator.FailureData getFailure()

checkEqn

@Internal
public boolean checkEqn(@NotNull
 TyckState.Eqn eqn)

Maybe you're looking for compare(org.aya.syntax.core.term.Term, org.aya.syntax.core.term.Term, org.aya.syntax.core.term.Term) instead.