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/* eslint-disable */
declare module 'tau-prolog' {
namespace tau {
namespace type {
type _Value = Var|Num|Term<number, string>|Substitution|State|Rule;
type Value = Var|Num|Term<number, string>;
class Var {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly id: string;
public constructor(id: string);
public unify(obj: _Value, occurs_check: boolean): Substitution|null;
public clone(): this;
public equals(obj: _Value): boolean;
public rename(thread: Thread): this;
public variables(): string[];
public apply(subs: Substitution): this;
public compare(other: this): -1|0|1;
}
class Num {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly is_float: boolean;
public readonly value: number;
public constructor(value: number, is_float?: boolean);
public unify(obj: _Value, occurs_check: boolean): Substitution|null;
public clone(): this;
public equals(obj: _Value): boolean;
public rename(thread: Thread): this;
public variables(): string[];
public apply(subs: Substitution): this;
public compare(other: this): -1|0|1;
}
class Term<Arity extends number, Indicator extends string> {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly indicator: Indicator;
public readonly id: string;
public readonly args: Value[]&{length: Arity};
public constructor(id: string, args?: Value[], ref?: number);
public unify(obj: _Value, occurs_check: boolean): Substitution|null;
public clone(): this;
public equals(obj: _Value): boolean;
public rename(thread: Thread): this;
public variables(): string[];
public apply(subs: Substitution): this;
public select(): Term<number, string>;
public replace(term: Term<number, string>): Term<number, string>;
public search(expr: Term<number, string>): boolean;
public compare(other: this): -1|0|1;
public toJavaScript(): string|number|(string|number)[];
}
class Substitution {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly links: {};
public constructor(links?: {});
public clone(): this;
public equals(obj: _Value): boolean;
public apply(subs: Substitution): this;
}
class State {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly goal: Term<number, string>;
public readonly substitution: Substitution;
public readonly parent: State|null;
public constructor(goal?: Term<number, string>, subs?: Substitution, parent?: State);
public clone(): this;
public equals(obj: _Value): boolean;
}
class Rule {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly head: Term<number, string>;
public readonly body: Term<number, string>|null;
public readonly dynamic: boolean;
public constructor(
head: Term<number, string>, body: Term<number, string>|null, dynamic?: boolean);
public clone(): this;
public equals(obj: _Value): boolean;
public rename(thread: Thread): this;
public variables(): string[];
public apply(subs: Substitution): this;
}
class Session {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly rules: Record<string, Rule>;
public readonly modules: string[];
public readonly threads: Thread[];
public readonly total_threads: number;
public constructor(limit?: number);
public consult(program: string): void;
public query(query: string): true | Term<1, 'throw'>;
public answer(callback: (answer: Answer) => void): void;
public answers(callback: (answer: Answer) => void, maxCount?: number, after?: () => void):
void;
public add_rule(rule: Rule, options?: {from?: string}): true;
public prepend(states: State[]): void;
public throw_error(error: Term<1, 'error'>): void;
public success(state: State, parent?: State): void;
}
class Thread {
// private property to ensure types don't overlap
private _uniqueProperty;
public readonly epoch: number;
public readonly session: Session;
public readonly total_steps: Number;
public readonly cpu_time: Number;
public readonly cpu_time_last: Number;
public readonly points: [];
public readonly debugger: boolean;
public readonly debugger_states: [];
public readonly level: string;
public readonly current_limit: number;
public consult(program: string): void;
public query(query: string): void;
public answer(callback: (answer: Answer) => void): void;
public answers(callback: (answer: Answer) => void, maxCount?: number, after?: () => void):
void;
public add_rule(rule: Rule, options?: {from?: string}): true;
public prepend(states: State[]): void;
public throw_error(error: Term<1, 'error'>): void;
public success(state: State, parent?: State): void;
}
interface PredicateFn {
(thread: Thread, point: State, atom: Term<number, string>): void|true;
}
type Predicate = Rule[]|PredicateFn;
class Module {
public readonly id: string;
public readonly predicates: Record<string, Predicate>;
public readonly exports: string[];
public constructor(id: string, predicates: Record<string, Predicate>, exports: string[]);
public exports_predicate(indicator: string): boolean;
}
function is_variable(obj: any): obj is Var;
function is_atom(obj: any): obj is Term<0, string>;
function is_module(obj: any): obj is Term<1, 'module/1'>;
function is_error(obj: any): obj is Term<1, 'throw/1'>;
function is_instantiated_list(obj: any): obj is Term<2, './2'>;
}
namespace error {
function existence(type: string, object: type.Term<number, string>|string, indicator: string):
type.Term<1, 'error'>;
function type(expected: string, found: type.Term<number, string>, indicator: string):
type.Term<1, 'error'>;
function instantiation(indicator: string): type.Term<1, 'error'>;
function domain(expected: string, found: type.Term<number, string>, indicator: string):
type.Term<1, 'error'>;
function representation(flag: string, indicator: string): type.Term<1, 'error'>;
function permission(
operation: string, type: string, found: type.Term<number, string>, indicator: string):
type.Term<1, 'error'>;
function evaluation(error: string, indicator: string): type.Term<1, 'error'>;
function syntax(
token: undefined|
{value: string, line: number, column: number, matches: string[], start: number},
expected: string,
last: boolean): type.Term<1, 'error'>;
function syntax_by_predicate(expected: string, indicator: string): type.Term<1, 'error'>;
}
interface Answer {
id: string;
links: Record<string, Link>;
}
interface Link {
id: string;
toJavaScript(): string|number|(string|number)[];
}
function format_answer(answer: Answer): string;
function create(limit?: number): type.Session;
}
export = tau;
}
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