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const normalize = require( '../function-schemata/javascript/src/normalize.js' );
const {
createSchema,
createZObjectKey,
isTrue,
isZReference,
makeBoolean,
traverseZList,
responseEnvelopeContainsError,
unquoteBrashly,
unquoteVeryCarefully
} = require( './utils.js' );
const { makeErrorInNormalForm, error } = require( '../function-schemata/javascript/src/error.js' );
const {
builtInTypes,
convertArrayToKnownTypedList,
convertZListToItemArray,
findFunctionIdentity,
findTypeIdentity,
getHead,
getTail,
isEmptyZList,
isGlobalKey,
isString,
kidFromGlobalKey,
makeMappedResultEnvelope,
setMetadataValue,
wrapInZ6,
wrapInZ9,
wrapInKeyReference,
wrapInQuote,
makeTrue,
makeFalse
} = require( '../function-schemata/javascript/src/utils.js' );
const { readJSON } = require( './fileUtils.js' );
const ErrorFormatter = require( '../function-schemata/javascript/src/errorFormatter.js' );
const {
validatesAsType,
validatesAsReference,
validatesAsFunctionCall,
validatesAsBoolean
} = require( '../function-schemata/javascript/src/schema.js' );
const { EmptyFrame } = require( './frame.js' );
const { Implementation } = require( './implementation.js' );
const { ZWrapper } = require( './ZWrapper.js' );
const fs = require( 'fs' );
/**
* HELPER FUNCTIONS
*/
/**
* Constructs a Z3 object with the given type and name.
*
* @param {Object} typeZ4 A Z4 object (in JSON form, not ZWrapper)
* @param {Object} nameZ6 A Z6 object (in JSON form, not ZWrapper)
* @param {Object} [labelZ12] A Z12 object (in JSON form, not ZWrapper)
* @return {Object} Constructed Z3 / Key object (in JSON form, not ZWrapper)
*/
function Z3For( typeZ4, nameZ6, labelZ12 = undefined ) {
return {
Z1K1: wrapInZ9( 'Z3' ),
Z3K1: typeZ4,
Z3K2: nameZ6,
Z3K3: labelZ12 === undefined ? Z12For( labelZ12 ) : labelZ12
};
}
/**
* Wraps English label in a Z12/Multilingual String object.
*
* @param {string} name The English label.
* @return {Object} a Z12/Multilingual String containing a single Z11
* wrapping the label (in JSON form, not ZWrapper)
*/
function Z12For( name ) {
return {
Z1K1: wrapInZ9( 'Z12' ),
Z12K1: convertArrayToKnownTypedList(
[ {
Z1K1: wrapInZ9( 'Z11' ),
Z11K1: wrapInZ9( 'Z1002' ),
Z11K2: wrapInZ6( name )
} ],
wrapInZ9( 'Z11' )
)
};
}
/**
* BUILTINS
*/
function BUILTIN_ECHO_( input ) {
return makeMappedResultEnvelope( input, null );
}
function BUILTIN_IF_( antecedent, trueConsequent, falseConsequent ) {
let result;
if ( isTrue( antecedent ) ) {
result = trueConsequent;
} else {
result = falseConsequent;
}
return makeMappedResultEnvelope( result, null );
}
function BUILTIN_VALUE_BY_KEY_( ZKeyReference, ZObject ) {
// TODO (T296667): Add test for error case.
let goodResult = null, badResult = null;
const key = ZKeyReference.Z39K1.Z6K1;
if ( ZObject[ key ] === undefined ) {
badResult = makeErrorInNormalForm(
error.key_not_found,
[ ZKeyReference.asJSON(), wrapInQuote( ZObject.asJSON() ) ]
);
} else {
goodResult = ZObject[ key ];
}
return makeMappedResultEnvelope( goodResult, badResult );
}
function BUILTIN_VALUES_BY_KEYS_( ZKeyReferences, ZObject ) {
const keyrefs = ( ZKeyReferences === undefined ) ? [] :
convertZListToItemArray( ZKeyReferences );
const pairType = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z882' ),
Z882K1: wrapInZ9( 'Z39' ),
Z882K2: wrapInZ9( 'Z1' )
};
const pairArray = [];
const missing = [];
for ( const keyref of keyrefs ) {
const key = keyref.Z39K1.Z6K1;
const value = ZObject[ key ];
if ( value === undefined ) {
missing.push( key );
} else {
pairArray.push( {
Z1K1: pairType,
K1: keyref,
K2: value
} );
}
}
if ( missing.length > 0 ) {
const quote = wrapInQuote( ZObject.asJSON() );
const notFoundErrors = [];
for ( const key of missing ) {
const keyRef = wrapInKeyReference( key );
notFoundErrors.push( makeErrorInNormalForm( error.key_not_found, [ keyRef, quote ] ) );
}
let badResult;
Iif ( missing.length === 1 ) {
badResult = notFoundErrors[ 0 ];
} else {
badResult = ErrorFormatter.createZErrorList( notFoundErrors );
}
return makeMappedResultEnvelope( null, badResult );
} else {
const pairList = convertArrayToKnownTypedList( pairArray, pairType );
const mapType = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z883' ),
Z883K1: wrapInZ9( 'Z39' ),
Z883K2: wrapInZ9( 'Z1' )
};
const goodResult = {
Z1K1: mapType,
K1: pairList
};
return makeMappedResultEnvelope( goodResult, null );
}
}
function reifyRecursive( targetZObject ) {
if ( isString( targetZObject ) ) {
return wrapInZ6( targetZObject );
}
const pairType = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z882' ),
Z882K1: wrapInZ9( 'Z39' ),
Z882K2: wrapInZ9( 'Z1' )
};
const result = [];
for ( const key of targetZObject.keys() ) {
const value = reifyRecursive( targetZObject.getName( key ) );
result.push( {
Z1K1: pairType,
K1: wrapInKeyReference( key ),
K2: value
} );
}
return convertArrayToKnownTypedList( result, pairType );
}
function BUILTIN_REIFY_( targetZObject ) {
return makeMappedResultEnvelope( reifyRecursive( targetZObject ), null );
}
function abstractRecursive( ZList ) {
if ( ZList.Z1K1 === 'Z6' ) {
return ZList.Z6K1;
}
const result = {};
const arrayOfPairs = convertZListToItemArray( ZList || [] );
for ( const pair of arrayOfPairs ) {
const ZKeyReference = pair.K1;
result[ ZKeyReference.Z39K1.Z6K1 ] = abstractRecursive( pair.K2 );
}
return result;
}
function BUILTIN_ABSTRACT_( ZList ) {
// TODO (T296666): Validate that List is a reified list, i.e. that all
// elements are Pairs(Key, ZObject).
return makeMappedResultEnvelope( abstractRecursive( ZList ), null );
}
function BUILTIN_CONS_( ZObject, list ) {
let itemType = wrapInZ9( 'Z1' );
// if validates as type, type is expanded, itemType is at list.Z1K1.Z4K1.Z881K1
Eif ( validatesAsType( list.Z1K1.asJSON() ).isValid() && ( list.Z1K1.Z4K1.Z7K1.Z9K1 === 'Z881' ) ) {
itemType = list.Z1K1.Z4K1.Z881K1;
}
// if validates as function call, type is not expanded, itemType is at list.Z1K1.Z881K1
Iif ( validatesAsFunctionCall( list.Z1K1.asJSON() ).isValid() && ( list.Z1K1.Z7K1.Z9K1 === 'Z881' ) ) {
itemType = list.Z1K1.Z881K1;
}
const typedList = convertArrayToKnownTypedList( [ ZObject ], itemType );
typedList.K2 = list;
return makeMappedResultEnvelope( typedList, null );
}
function BUILTIN_HEAD_( list ) {
if ( isEmptyZList( list ) ) {
const argument = wrapInKeyReference( 'Z811K1' );
Eif ( list instanceof ZWrapper ) {
list = list.asJSON();
}
const quote = wrapInQuote( list );
return makeMappedResultEnvelope(
null,
makeErrorInNormalForm(
error.argument_value_error,
[ argument, quote ] ) );
}
return makeMappedResultEnvelope( list.K1, null );
}
function BUILTIN_TAIL_( list ) {
if ( isEmptyZList( list ) ) {
const argument = wrapInKeyReference( 'Z812K1' );
Eif ( list instanceof ZWrapper ) {
list = list.asJSON();
}
const quote = wrapInQuote( list );
return makeMappedResultEnvelope(
null,
makeErrorInNormalForm(
error.argument_value_error,
[ argument, quote ] ) );
}
return makeMappedResultEnvelope( list.K2, null );
}
function BUILTIN_EMPTY_( list ) {
let result;
if ( isEmptyZList( list ) ) {
result = makeTrue();
} else {
result = makeFalse();
}
return makeMappedResultEnvelope( result, null );
}
function BUILTIN_FIRST_( ZTypedPair ) {
return makeMappedResultEnvelope( ZTypedPair.K1, null );
}
function BUILTIN_SECOND_( ZTypedPair ) {
return makeMappedResultEnvelope( ZTypedPair.K2, null );
}
async function BUILTIN_GET_ENVELOPE_( QuotedZ7, invariants ) {
const { orchestrate } = require( './orchestrate.js' );
this.invariants_.logger.log( 'debug',
{ message: 'calling orchestrator from BUILTIN_GET_ENVELOPE_()...', requestId: this.invariants_.requestId }
);
const envelope = await orchestrate(
unquoteBrashly( QuotedZ7 ),
invariants,
/* implementationSelector= */ null );
this.invariants_.logger.log( 'debug',
{ message: '...finished calling orchestrator from BUILTIN_GET_ENVELOPE_()', requestId: this.invariants_.requestId }
);
const pairType = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z882' ),
Z882K1: wrapInZ9( 'Z1' ),
Z882K2: wrapInZ9( 'Z1' )
};
const pair = { Z1K1: pairType, K1: envelope.Z22K1, K2: envelope.Z22K2 };
return makeMappedResultEnvelope( pair, null );
}
async function BUILTIN_FETCH_PERSISTENT_ZOBJECT_( quotedZ9, invariants ) {
const referenceEnvelope = unquoteVeryCarefully( quotedZ9 );
Iif ( responseEnvelopeContainsError( referenceEnvelope ) ) {
return referenceEnvelope;
}
const ZID = referenceEnvelope.Z22K1.Z9K1;
// For Builtins, we cannot call dereferenceZObjects, because it returns a modified
// Z2 constructed from resolveBuiltinReference(), which is missing keys such as Z2K3
// and fails validation. So we go straight to the definitions file.
if ( resolveBuiltinReference( ZID ) !== null ) {
return normalize( getPersistentZObjectFromFile( ZID ) );
}
let envelope;
try {
envelope = ( await invariants.resolver.dereferenceZObjects( [ ZID ] ) ).get( ZID );
} catch ( e ) {
const message = `Error thrown by dereferenceZObjects(): ${ e }.`;
invariants.logger.log( 'error', { message: message, requestId: invariants.requestId } );
const zerror = ErrorFormatter.createZErrorInstance(
error.unknown_error, { errorInformation: message } );
return makeMappedResultEnvelope( null, zerror );
}
return envelope;
}
async function BUILTIN_FETCH_WIKIDATA_LEXEME_FORM_( Z6094, invariants ) {
const LFID = Z6094.Z6094K1.Z6K1;
return await invariants.resolver.dereferenceLexemeForm( LFID );
}
async function BUILTIN_FETCH_WIKIDATA_LEXEME_( Z6095, invariants ) {
const LID = Z6095.Z6095K1.Z6K1;
return await invariants.resolver.dereferenceLexeme( LID );
}
function BUILTIN_EQUALS_WIKIDATA_ITEM_( firstItem, secondItem ) {
return makeMappedResultEnvelope(
makeBoolean( ( firstItem.Z6001K1.Z6091K1.Z6K1 === secondItem.Z6001K1.Z6091K1.Z6K1 ) ),
null
);
}
function BUILTIN_EQUALS_WIKIDATA_PROPERTY_( firstItem, secondItem ) {
return makeMappedResultEnvelope(
makeBoolean( ( firstItem.Z6002K1.Z6092K1.Z6K1 === secondItem.Z6002K1.Z6092K1.Z6K1 ) ),
null
);
}
function BUILTIN_EQUALS_WIKIDATA_LEXEME_FORM( firstItem, secondItem ) {
return makeMappedResultEnvelope(
makeBoolean( ( firstItem.Z6004K1.Z6094K1.Z6K1 === secondItem.Z6004K1.Z6094K1.Z6K1 ) ),
null
);
}
function BUILTIN_EQUALS_WIKIDATA_LEXEME( firstItem, secondItem ) {
return makeMappedResultEnvelope(
makeBoolean( ( firstItem.Z6005K1.Z6095K1.Z6K1 === secondItem.Z6005K1.Z6095K1.Z6K1 ) ),
null
);
}
function BUILTIN_EQUALS_BOOLEAN_( firstBoolean, secondBoolean ) {
const isFirstTrue = isTrue( firstBoolean );
const isSecondTrue = isTrue( secondBoolean );
const result = ( isFirstTrue && isSecondTrue ) || ( !isFirstTrue && !isSecondTrue );
return makeMappedResultEnvelope( makeBoolean( result ), null );
}
function getLanguageMap() {
// TODO (T302342): switch to using require maybe?
// TODO (T372692): Move getLanguageMap to utils.js & improve function coverage of builtins.js
const path = 'function-schemata/data/definitions/naturalLanguages.json';
return JSON.parse( fs.readFileSync( path, { encoding: 'utf8' } ) );
}
async function BUILTIN_LANGUAGE_CODE_TO_LANGUAGE_( ZString, invariants ) {
const languages = getLanguageMap();
const languageCode = ZString.Z6K1;
let result = null;
Iif ( !( languageCode in languages ) ) {
result = makeErrorInNormalForm(
error.language_code_not_found,
[ wrapInZ6( languageCode ) ]
);
return makeMappedResultEnvelope( result );
}
const zid = languages[ languageCode ];
result = wrapInZ9( zid );
const wrappedResult = ZWrapper.create( result, new EmptyFrame() );
return await wrappedResult.resolve(
invariants,
/* ignoreList= */ null,
/* resolveInternals= */ false,
/* doValidate= */ false );
}
function BUILTIN_EQUALS_STRING_( firstZString, secondZString ) {
return makeMappedResultEnvelope(
makeBoolean( ( firstZString.Z6K1 === secondZString.Z6K1 ) ),
null
);
}
function stringToCharsInternal( characterArray ) {
const Z86Array = [];
const typeZ86 = wrapInZ9( 'Z86' );
for ( const character of characterArray ) {
Z86Array.push( {
Z1K1: wrapInZ9( 'Z86' ),
Z86K1: wrapInZ6( character )
} );
}
return convertArrayToKnownTypedList( Z86Array, typeZ86 );
}
function BUILTIN_STRING_TO_CHARS_( ZString ) {
return makeMappedResultEnvelope(
stringToCharsInternal( Array.from( ZString.Z6K1 ) ),
null
);
}
function charsToStringInternal( list ) {
const ZCodePoints = convertZListToItemArray( list || [] );
const result = [];
for ( const ZCodePoint of ZCodePoints ) {
result.push( ZCodePoint.Z6K1 || ZCodePoint.Z86K1.Z6K1 );
}
return result;
}
function BUILTIN_CHARS_TO_STRING_( list ) {
// TODO (T294482): Validate input is a List(Z86).
return makeMappedResultEnvelope(
wrapInZ6( charsToStringInternal( list ).join( '' ) ),
null
);
}
async function applyFunctionToList( someFunction, itemArray, invariants ) {
const { execute } = require( './execute.js' );
const promises = [];
for ( const item of itemArray ) {
const ZFunctionCall = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: someFunction,
K1: item
};
const wrappedZFunctionCall = ZWrapper.create( ZFunctionCall, item.getScope() );
promises.push( execute( wrappedZFunctionCall, invariants ) );
}
return await Promise.all( promises );
}
async function BUILTIN_FILTER_FUNCTION_( someFunction, someList, invariants ) {
const itemArray = convertZListToItemArray( someList || [] );
const results = await applyFunctionToList( someFunction, itemArray, invariants );
const goodResults = [];
for ( let i = 0; i < results.length; ++i ) {
const result = results[ i ];
Iif ( responseEnvelopeContainsError( result ) ) {
return result;
}
if ( !validatesAsBoolean( result.Z22K1.asJSON() ).isValid() ) {
// Provided equality function did not return Boolean
const argument = wrapInKeyReference( 'Z872K1' );
const quotedValue = wrapInQuote( someFunction.asJSON() );
return makeMappedResultEnvelope(
null,
makeErrorInNormalForm( error.argument_value_error, [ argument, quotedValue ] ) );
}
if ( isTrue( result.Z22K1 ) ) {
goodResults.push( itemArray[ i ] );
}
}
// TODO (T338407): Create a list of the same type as the input.
const resultList = convertArrayToKnownTypedList( goodResults, wrapInZ9( 'Z1' ) );
return makeMappedResultEnvelope( resultList );
}
async function BUILTIN_MAP_FUNCTION_( someFunction, someList, invariants ) {
const itemArray = convertZListToItemArray( someList || [] );
const results = await applyFunctionToList( someFunction, itemArray, invariants );
const goodResults = [];
for ( const result of results ) {
if ( responseEnvelopeContainsError( result ) ) {
return result;
}
goodResults.push( result.Z22K1 );
}
// TODO (T338407): Constrain list's type by return type of someFunction ...
// TODO (T370028): ... BUT changing this will break a workaround currently
// in use by the community, so tread carefully.
const resultList = convertArrayToKnownTypedList( goodResults, wrapInZ9( 'Z1' ) );
return makeMappedResultEnvelope( resultList );
}
async function BUILTIN_REDUCE_FUNCTION_( someFunction, someList, someObject, invariants ) {
const { execute } = require( './execute.js' );
const itemArray = convertZListToItemArray( someList || [] );
let resultSoFar = someObject;
for ( const otherParameter of itemArray ) {
const ZFunctionCall = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: someFunction,
K1: resultSoFar,
K2: otherParameter
};
const wrappedZFunctionCall = ZWrapper.create( ZFunctionCall, resultSoFar.getScope() );
const resultEnvelope = await execute( wrappedZFunctionCall, invariants );
Iif ( responseEnvelopeContainsError( resultSoFar ) ) {
return resultSoFar;
}
resultSoFar = resultEnvelope.Z22K1;
}
return makeMappedResultEnvelope( resultSoFar );
}
function BUILTIN_TRIGGER_METADATA_( keyZ6, valueZ1 ) {
const response = makeMappedResultEnvelope( null, null );
setMetadataValue( response, keyZ6, valueZ1 );
return response;
}
function BUILTIN_SAME_( firstZCodePoint, secondZCodePoint ) {
let result;
if ( firstZCodePoint.Z86K1.Z6K1 === secondZCodePoint.Z86K1.Z6K1 ) {
result = makeTrue();
} else {
result = makeFalse();
}
return makeMappedResultEnvelope( result, null );
}
async function BUILTIN_EQUALS_LIST_( list1, list2, ZFunction, invariants ) {
const { execute } = require( './execute.js' );
while ( !isEmptyZList( list1 ) && !isEmptyZList( list2 ) ) {
const headEqualityZ22 = await execute(
ZWrapper.create(
{
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: ZFunction,
K1: getHead( list1 ),
K2: getHead( list2 )
},
new EmptyFrame()
),
invariants
);
Iif ( responseEnvelopeContainsError( headEqualityZ22 ) ) {
return headEqualityZ22;
} else Iif ( !validatesAsBoolean( headEqualityZ22.Z22K1.asJSON() ).isValid() ) {
// Provided equality function did not return Boolean
const argument = wrapInKeyReference( 'Z889K3' );
const quotedValue = wrapInQuote( ZFunction.asJSON() );
return makeMappedResultEnvelope(
null,
makeErrorInNormalForm( error.argument_value_error, [ argument, quotedValue ] )
);
} else if ( !isTrue( headEqualityZ22.Z22K1 ) ) {
return makeMappedResultEnvelope( makeFalse() );
}
list1 = getTail( list1 );
list2 = getTail( list2 );
}
return makeMappedResultEnvelope(
makeBoolean( isEmptyZList( list1 ) === isEmptyZList( list2 ) )
);
}
function BUILTIN_UNQUOTE_( ZQuote ) {
return unquoteVeryCarefully( ZQuote );
}
function makeValidatorResultEnvelope( ZObject, errors ) {
if ( errors.length === 0 ) {
return makeMappedResultEnvelope( ZObject.asJSON(), null );
} else if ( errors.length === 1 ) {
return makeMappedResultEnvelope( null, errors[ 0 ] );
} else {
return makeMappedResultEnvelope( null, ErrorFormatter.createZErrorList( errors ) );
}
}
async function resolveAllZ4Keys_( ZType, invariants ) {
const resolvedKeys = new Set();
const typesToResolve = [];
typesToResolve.push( ZType );
while ( typesToResolve.length > 0 ) {
const toResolve = typesToResolve.pop( 0 );
await traverseZList( toResolve.Z4K2, async ( Z3Tail ) => {
await ( Z3Tail.resolveEphemeral( [ 'K1', 'Z3K1' ], invariants, /* ignoreList= */null, /* resolveInternals= */false ) );
const nextType = Z3Tail.K1.getNameEphemeral( 'Z3K1' );
const key = createZObjectKey( nextType ).asString();
if ( resolvedKeys.has( key ) ) {
return;
}
resolvedKeys.add( key );
typesToResolve.push( nextType );
} );
}
}
async function BUILTIN_SCHEMA_VALIDATOR_( quotedObject, quotedType, invariants ) {
// TODO (T290698): Use this instead of BUILTIN_EMPTY_VALIDATOR_.
const ZObject = unquoteBrashly( quotedObject );
const ZType = ( await ( unquoteBrashly( quotedType ).resolve(
invariants, /* originalObject= */null, /* ignoreList= */null,
/* resolveInternals= */ false, /* doValidate= */ false ) ) ).Z22K1;
// Ensure all internal type references are resolved.
// TODO (T297904): Also need to resolve generic types.
await resolveAllZ4Keys_( ZType, invariants );
const theSchema = createSchema( { Z1K1: ZType.asJSONEphemeral() } );
// TODO (T294289): Return validationStatus Z5s as Z22K2.
const theStatus = theSchema.validateStatus( ZObject.asJSON() );
let errors;
if ( theStatus.isValid() ) {
errors = [];
} else {
errors = [ theStatus.getZ5() ];
}
return makeValidatorResultEnvelope( ZObject, errors );
}
function BUILTIN_EMPTY_VALIDATOR_( targetZObject ) {
return makeMappedResultEnvelope( targetZObject, null );
}
/**
* Validates the keys of a normal Typed List. This functions looks for duplicate or non-sequential
* keys and keys that don't follow the expected format of (Z)?<identity>Kn.
*
* @param {Object} list the Typed List being validated.
* @param {Function} key a function to get the key of a list element.
* @param {string} identity the identity of the list's parent.
*
* @return {Object} a Typed List of Z5/Error.
*/
function arrayValidator( list, key, identity ) {
const keys = convertZListToItemArray( list || [] ).map( key );
const errorInfo = [];
const seen = new Set();
for ( let i = 0; i < keys.length; ++i ) {
const originalKey = keys[ i ];
let key = originalKey;
if ( isGlobalKey( key ) ) {
if ( !originalKey.startsWith( identity ) ) {
errorInfo.push( { indexInt: i, key: originalKey } );
continue;
}
key = kidFromGlobalKey( key );
}
const expectedIndex = i + 1;
const actualIndex = Number( key.replace( 'K', '' ) );
if ( seen.has( originalKey ) ) {
errorInfo.push( { indexInt: i, key: originalKey } );
continue;
} else {
seen.add( originalKey );
}
if ( actualIndex !== expectedIndex ) {
errorInfo.push( { indexInt: i, key: originalKey } );
}
}
return errorInfo.map(
( info ) => {
const index = wrapInZ6( info.indexInt.toString() );
const innerError = makeErrorInNormalForm( error.invalid_key, [ wrapInZ6( info.key ) ] );
return makeErrorInNormalForm(
error.array_element_not_well_formed,
[ index, innerError ]
);
}
);
}
function BUILTIN_FUNCTION_VALIDATOR_( ZQuote ) {
const ZObject = unquoteBrashly( ZQuote );
let functionIdentity = findFunctionIdentity( ZObject );
Eif ( functionIdentity ) {
functionIdentity = functionIdentity.Z9K1;
}
const errors = arrayValidator(
ZObject.Z8K1,
( x ) => x.Z17K2.Z6K1,
functionIdentity
);
return makeValidatorResultEnvelope( ZQuote, errors );
}
function BUILTIN_Z4_TYPE_VALIDATOR_( ZQuote ) {
const ZObject = unquoteBrashly( ZQuote );
let typeIdentity = findTypeIdentity( ZObject );
if ( typeIdentity && isZReference( typeIdentity ) ) {
typeIdentity = typeIdentity.Z9K1;
}
const errors = arrayValidator(
ZObject.Z4K2,
( x ) => x.Z3K2.Z6K1,
typeIdentity
);
return makeValidatorResultEnvelope( ZQuote, errors );
}
async function BUILTIN_FUNCTION_CALL_VALIDATOR_INTERNAL_( ZQuote, errors, invariants ) {
const ZObject = unquoteBrashly( ZQuote );
const { getArgumentStates } = require( './execute.js' );
const argumentStates = await getArgumentStates( ZObject, invariants );
const dictDict = {};
for ( const argumentState of argumentStates ) {
if ( argumentState.state === 'ERROR' ) {
// This is probably because Z8K1 couldn't be dereferenced and is
// fine.
return;
}
const argumentDict = argumentState.argumentDict;
dictDict[ argumentDict.name ] = argumentDict;
const localKey = argumentDict.name.replace( /^Z\d+/, '' );
dictDict[ localKey ] = argumentDict;
}
const keysToSkip = new Set( [ 'Z1K1', 'Z7K1' ] );
// TODO (T296668): Also check declared arguments that are absent from the Z7.
// TODO (T296668): Also check local keys.
for ( const key of ZObject.keys() ) {
if ( keysToSkip.has( key ) ) {
continue;
}
const argumentDict = dictDict[ key ];
if ( argumentDict === undefined ) {
errors.push(
makeErrorInNormalForm(
// Invalid key for function call
error.invalid_key,
[ wrapInZ6( key ) ]
)
);
continue;
}
let type = ZObject[ key ].Z1K1.Z9K1 || ZObject[ key ].Z1K1;
if ( type instanceof ZWrapper ) {
type = type.asJSON();
}
let declaredType = argumentDict.declaredType;
if ( declaredType instanceof ZWrapper ) {
declaredType = declaredType.asJSON();
}
// TODO (T296669): Fix type semantics below; do something when declaredType is a Z4.
if ( validatesAsType( declaredType ).isValid() ) {
continue;
}
if ( validatesAsReference( declaredType ).isValid() ) {
declaredType = declaredType.Z9K1;
}
// Type mismatches for Z7, Z9, and Z18 will be caught at runtime.
const skippableTypes = new Set( [ 'Z18', 'Z9', 'Z7' ] );
// TODO (T296669): More intricate subtype semantics once we have generic
// types (just checking for Z1 is not sufficient).
if ( !( declaredType === type || declaredType === 'Z1' || skippableTypes.has( type ) ) ) {
errors.push(
makeErrorInNormalForm(
error.argument_type_mismatch,
[ declaredType, type, ZObject[ key ].asJSON() ]
)
);
}
}
}
async function BUILTIN_FUNCTION_CALL_VALIDATOR_( ZQuote, invariants ) {
const errors = [];
await BUILTIN_FUNCTION_CALL_VALIDATOR_INTERNAL_( ZQuote, errors, invariants );
return makeValidatorResultEnvelope( ZQuote, errors );
}
async function BUILTIN_MULTILINGUAL_TEXT_VALIDATOR_( ZQuote, invariants ) {
const ZObject = unquoteBrashly( ZQuote );
const errors = [];
const ZMonolingualStrings = convertZListToItemArray( ZObject.Z12K1 || [] );
const languages = await Promise.all( ZMonolingualStrings.map( async ( ZMonolingualString ) => ( await ZMonolingualString.resolveKey( [ 'Z11K1', 'Z60K1', 'Z6K1' ], invariants ) ).Z22K1.Z6K1
) );
const seen = new Set();
for ( let i = 0; i < languages.length; ++i ) {
if ( seen.has( languages[ i ] ) ) {
const argument = wrapInKeyReference( 'Z112K1' );
errors.push(
makeErrorInNormalForm( error.argument_value_error, [ argument, ZQuote ] )
);
}
seen.add( languages[ i ] );
}
return makeValidatorResultEnvelope( ZQuote, errors );
}
function BUILTIN_MULTILINGUAL_STRINGSET_VALIDATOR_( ZQuote ) {
const ZObject = unquoteBrashly( ZQuote );
const errors = [];
const ZMonolingualStringSets = convertZListToItemArray( ZObject.Z32K1 || [] );
const languages = ZMonolingualStringSets.map(
( ZMonolingualStringSet ) => ZMonolingualStringSet.Z31K1.Z60K1.Z6K1
);
const seen = new Set();
for ( let i = 0; i < languages.length; ++i ) {
if ( seen.has( languages[ i ] ) ) {
const argument = wrapInKeyReference( 'Z132K1' );
errors.push(
makeErrorInNormalForm( error.argument_value_error, [ argument, ZQuote ] )
);
}
seen.add( languages[ i ] );
}
return makeValidatorResultEnvelope( ZQuote, errors );
}
function BUILTIN_ERROR_TYPE_VALIDATOR_( ZQuote ) {
return makeValidatorResultEnvelope( ZQuote, [] );
}
function resolveListType( typeZ4 ) {
if ( typeZ4 instanceof ZWrapper ) {
typeZ4 = typeZ4.asJSON();
}
const itsMe = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z881' ),
Z881K1: typeZ4
};
const ZType = {
Z1K1: wrapInZ9( 'Z4' ),
Z4K1: itsMe,
Z4K2: convertArrayToKnownTypedList(
[
Z3For( typeZ4, wrapInZ6( 'K1' ), Z12For( 'head' ) ),
Z3For( itsMe, wrapInZ6( 'K2' ), Z12For( 'tail' ) )
],
wrapInZ9( 'Z3' )
),
Z4K3: wrapInZ9( 'Z831' )
};
return makeMappedResultEnvelope( ZType, null );
}
function BUILTIN_GENERIC_LIST_TYPE_( typeZ4 ) {
return resolveListType( typeZ4 );
}
function BUILTIN_GENERIC_PAIR_TYPE_( firstType, secondType ) {
const itsMe = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z882' ),
Z882K1: firstType,
Z882K2: secondType
};
const ZType = {
Z1K1: wrapInZ9( 'Z4' ),
Z4K1: itsMe,
Z4K2: convertArrayToKnownTypedList( [
Z3For( firstType, wrapInZ6( 'K1' ), Z12For( 'first' ) ),
Z3For( secondType, wrapInZ6( 'K2' ), Z12For( 'second' ) )
], wrapInZ9( 'Z3' ) ),
Z4K3: wrapInZ9( 'Z831' )
};
return makeMappedResultEnvelope( ZType, null );
}
function BUILTIN_GENERIC_MAP_TYPE_( keyType, valueType, invariants ) {
// TODO (T302015) When ZMap keys are extended beyond Z6/String, update accordingly
const allowedKeyTypes = [ 'Z6', 'Z39' ];
let identity = keyType;
while ( identity.Z4K1 !== undefined ) {
identity = identity.Z4K1;
}
if ( !allowedKeyTypes.includes( identity.Z9K1 ) ) {
const argument = wrapInKeyReference( 'Z883K1' );
const quotedValue = wrapInQuote( keyType.asJSON() );
const newError = makeErrorInNormalForm(
error.argument_value_error,
[ argument, quotedValue ]
);
return makeMappedResultEnvelope( null, newError );
}
const itsMe = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z883' ),
Z883K1: keyType,
Z883K2: valueType
};
const pairType = BUILTIN_GENERIC_PAIR_TYPE_( keyType, valueType ).Z22K1;
const listType = BUILTIN_GENERIC_LIST_TYPE_( pairType ).Z22K1;
const ZType = {
Z1K1: wrapInZ9( 'Z4' ),
Z4K1: itsMe,
Z4K2: convertArrayToKnownTypedList(
[ Z3For( listType, wrapInZ6( 'K1' ), Z12For( 'elements' ) ) ],
wrapInZ9( 'Z3' )
),
Z4K3: wrapInZ9( 'Z831' )
};
return makeMappedResultEnvelope( ZType, null );
}
async function BUILTIN_ERRORTYPE_TO_TYPE_( errorType, invariants ) {
const resolutionEnvelope = await errorType.Z50K1.resolve(
invariants,
/* ignoreList= */ null,
/* resolveInternals= */ false,
/* doValidate= */ false );
const theKeys = resolutionEnvelope.Z22K1;
const itsMe = {
Z1K1: wrapInZ9( 'Z7' ),
Z7K1: wrapInZ9( 'Z885' ),
Z885K1: errorType
};
const theType = {
Z1K1: wrapInZ9( 'Z4' ),
Z4K1: itsMe,
Z4K2: theKeys,
Z4K3: wrapInZ9( 'Z101' )
};
return makeMappedResultEnvelope( theType, null );
}
const builtinFunctions = new Map();
builtinFunctions.set( 'Z901', BUILTIN_ECHO_ );
builtinFunctions.set( 'Z902', BUILTIN_IF_ );
builtinFunctions.set( 'Z903', BUILTIN_VALUE_BY_KEY_ );
builtinFunctions.set( 'Z904', BUILTIN_VALUES_BY_KEYS_ );
builtinFunctions.set( 'Z905', BUILTIN_REIFY_ );
builtinFunctions.set( 'Z908', BUILTIN_ABSTRACT_ );
builtinFunctions.set( 'Z910', BUILTIN_CONS_ );
builtinFunctions.set( 'Z911', BUILTIN_HEAD_ );
builtinFunctions.set( 'Z912', BUILTIN_TAIL_ );
builtinFunctions.set( 'Z913', BUILTIN_EMPTY_ );
builtinFunctions.set( 'Z920', BUILTIN_TRIGGER_METADATA_ );
builtinFunctions.set( 'Z921', BUILTIN_FIRST_ );
builtinFunctions.set( 'Z922', BUILTIN_SECOND_ );
builtinFunctions.set( 'Z923', BUILTIN_GET_ENVELOPE_ );
builtinFunctions.set( 'Z928', BUILTIN_FETCH_PERSISTENT_ZOBJECT_ );
builtinFunctions.set( 'Z931', BUILTIN_SCHEMA_VALIDATOR_ );
builtinFunctions.set( 'Z944', BUILTIN_EQUALS_BOOLEAN_ );
builtinFunctions.set( 'Z960', BUILTIN_LANGUAGE_CODE_TO_LANGUAGE_ );
builtinFunctions.set( 'Z966', BUILTIN_EQUALS_STRING_ );
builtinFunctions.set( 'Z968', BUILTIN_STRING_TO_CHARS_ );
builtinFunctions.set( 'Z972', BUILTIN_FILTER_FUNCTION_ );
builtinFunctions.set( 'Z973', BUILTIN_MAP_FUNCTION_ );
builtinFunctions.set( 'Z976', BUILTIN_REDUCE_FUNCTION_ );
builtinFunctions.set( 'Z981', BUILTIN_GENERIC_LIST_TYPE_ );
builtinFunctions.set( 'Z982', BUILTIN_GENERIC_PAIR_TYPE_ );
builtinFunctions.set( 'Z983', BUILTIN_GENERIC_MAP_TYPE_ );
builtinFunctions.set( 'Z985', BUILTIN_ERRORTYPE_TO_TYPE_ );
builtinFunctions.set( 'Z986', BUILTIN_CHARS_TO_STRING_ );
builtinFunctions.set( 'Z988', BUILTIN_SAME_ );
builtinFunctions.set( 'Z989', BUILTIN_EQUALS_LIST_ );
builtinFunctions.set( 'Z999', BUILTIN_UNQUOTE_ );
// Wikidata-related Builtins
builtinFunctions.set( 'Z6924', BUILTIN_FETCH_WIKIDATA_LEXEME_FORM_ );
builtinFunctions.set( 'Z6925', BUILTIN_FETCH_WIKIDATA_LEXEME_ );
builtinFunctions.set( 'Z6901', BUILTIN_EQUALS_WIKIDATA_ITEM_ );
builtinFunctions.set( 'Z6902', BUILTIN_EQUALS_WIKIDATA_PROPERTY_ );
builtinFunctions.set( 'Z6904', BUILTIN_EQUALS_WIKIDATA_LEXEME_FORM );
builtinFunctions.set( 'Z6905', BUILTIN_EQUALS_WIKIDATA_LEXEME );
// validators
builtinFunctions.set( 'Z201', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z202', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z203', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z204', BUILTIN_Z4_TYPE_VALIDATOR_ );
builtinFunctions.set( 'Z205', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z206', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z207', BUILTIN_FUNCTION_CALL_VALIDATOR_ );
builtinFunctions.set( 'Z208', BUILTIN_FUNCTION_VALIDATOR_ );
builtinFunctions.set( 'Z209', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z211', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z212', BUILTIN_MULTILINGUAL_TEXT_VALIDATOR_ );
builtinFunctions.set( 'Z213', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z214', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z216', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z217', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z218', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z220', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z221', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z222', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z223', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z231', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z232', BUILTIN_MULTILINGUAL_STRINGSET_VALIDATOR_ );
builtinFunctions.set( 'Z239', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z240', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z241', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z242', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z250', BUILTIN_ERROR_TYPE_VALIDATOR_ );
builtinFunctions.set( 'Z260', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z261', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z270', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z280', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z286', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z289', BUILTIN_EMPTY_VALIDATOR_ );
builtinFunctions.set( 'Z299', BUILTIN_EMPTY_VALIDATOR_ );
/**
* Retrieves an in-memory JS function implementing a builtin.
*
* @param {Object} ZID the function to retrieve an implementation for
* @return {Implementation} an implementation
*/
function getFunction( ZID ) {
const result = builtinFunctions.get( ZID );
Iif ( result === undefined ) {
return null;
}
return result;
}
const lazyFunctions = new Map();
lazyFunctions.set( 'Z902', [ 'Z802K2', 'Z802K3' ] );
/**
* Retrieves lazy variables for the given function.
*
* @param {string} ZID the function
* @return {Array} an array of variables which are lazy for the given function
*/
function getLazyVariables( ZID ) {
let lazy = lazyFunctions.get( ZID );
if ( lazy === undefined ) {
lazy = [];
}
return lazy;
}
const lazyReturns = new Set();
lazyReturns.add( 'Z902' );
/**
* For a given ZID, determine whether return value should be evaluated after execution.
*
* @param {string} ZID the function
* @return {boolean} whether the function is lazy
*/
function getLazyReturn( ZID ) {
return lazyReturns.has( ZID );
}
const builtinReferences = new Map();
function definitionFileForZid( ZID ) {
return `function-schemata/data/definitions/${ ZID }.json`;
}
function getPersistentZObjectFromFile( ZID ) {
const fileName = definitionFileForZid( ZID );
return readJSON( fileName );
}
function getDefinitionFromFile( ZID ) {
const fileName = definitionFileForZid( ZID );
return readJSON( fileName ).Z2K2;
}
// Built-in implementations.
const implementationZIDs = [
'Z901', 'Z902', 'Z903', 'Z904', 'Z905', 'Z908', 'Z910', 'Z911', 'Z912',
'Z913', 'Z920', 'Z921', 'Z922', 'Z923', 'Z928', 'Z944', 'Z960', 'Z966', 'Z968',
'Z972', 'Z973', 'Z976',
// TODO (T314383): Add these ZIDs to the list of implementations. See below.
/*
* 'Z981', 'Z982',
*/
// TODO (T314364): Add this ZID to the list of implementations. See below.
/*
* 'Z983',
*/
'Z986', 'Z988', 'Z989', 'Z999', 'Z931',
// Wikidata-related implementations
'Z6901', 'Z6902', 'Z6904', 'Z6905',
'Z6924', 'Z6925'
];
// Built-in functions.
const functionZIDs = [
'Z801', 'Z802', 'Z803', 'Z804', 'Z805', 'Z808', 'Z810', 'Z811', 'Z812',
'Z813', 'Z820', 'Z821', 'Z822', 'Z823', 'Z828', 'Z844', 'Z860', 'Z866', 'Z868',
'Z872', 'Z873', 'Z876',
'Z881', 'Z882', 'Z883', 'Z886', 'Z888', 'Z889', 'Z899', 'Z831',
'Z6801', 'Z6802', 'Z6804', 'Z6805',
'Z6824', 'Z6825'
];
// Validators for core types.
const validatorZIDs = [
'Z101', 'Z102', 'Z103', 'Z104', 'Z105', 'Z106', 'Z107', 'Z108',
'Z109', 'Z111', 'Z112', 'Z114', 'Z116', 'Z117', 'Z118', 'Z120',
'Z121', 'Z122', 'Z123', 'Z139', 'Z140', 'Z150', 'Z160',
'Z161', 'Z180', 'Z186', 'Z189', 'Z199',
'Z201', 'Z202', 'Z203', 'Z204', 'Z205', 'Z206', 'Z207', 'Z208',
'Z209', 'Z211', 'Z212', 'Z214', 'Z216', 'Z217', 'Z218', 'Z220',
'Z221', 'Z222', 'Z223', 'Z239', 'Z240', 'Z250', 'Z260',
'Z261', 'Z280', 'Z286', 'Z289', 'Z299'
];
( function setBuiltinReferences() {
const implementations = new Map();
const definitions = new Map();
for ( const ZID of implementationZIDs ) {
const theDefinition = getDefinitionFromFile( ZID );
implementations.set( ZID, theDefinition );
definitions.set( ZID, theDefinition );
}
// TODO (T314364): Undo this special case for Typed Map.
// We do this because Map has some special validation logic which can't be
// expressed in the JSON definition without Unions. UNIONIZE NOW
// TODO (T314383): Undo these special cases for generic List and Pair.
// Compositions don't currently execute in time for schema validation, so
// the composition implementations of built-in generic functions produce
// types which allow anything to validate.
for ( const ZIDMod100 of [ 81, 82, 83 ] ) {
const functionZID = 'Z' + ( 800 + ZIDMod100 );
const implementationZID = 'Z' + ( 900 + ZIDMod100 );
const theImplementation = {
Z1K1: 'Z14',
Z14K1: functionZID,
Z14K4: wrapInZ6( implementationZID )
};
implementations.set( implementationZID, theImplementation );
definitions.set( implementationZID, theImplementation );
}
for ( const ZID of functionZIDs ) {
const theDefinition = getDefinitionFromFile( ZID );
const Z8K4 = [];
for ( const element of theDefinition.Z8K4 ) {
const implementationDefinition = implementations.get( element );
if ( implementationDefinition === undefined ) {
Z8K4.push( element );
} else {
Z8K4.push( implementationDefinition );
}
}
theDefinition.Z8K4 = Z8K4;
definitions.set( ZID, theDefinition );
}
for ( const ZID of validatorZIDs ) {
const theDefinition = getDefinitionFromFile( ZID );
definitions.set( ZID, theDefinition );
}
for ( const ZID of builtInTypes() ) {
const theDefinition = getDefinitionFromFile( ZID );
definitions.set( ZID, theDefinition );
}
for ( const entry of definitions.entries() ) {
const ZID = entry[ 0 ];
const definition = entry[ 1 ];
const normalizedDefinition = ( normalize( definition ) ).Z22K1;
builtinReferences.set( ZID, normalizedDefinition );
}
}() );
/**
* Creates a Z8 corresponding to a bulitin function.
*
* @param {string} ZID reference to a builtin function
* @return {Object} a Z8 or null
*/
function resolveBuiltinReference( ZID ) {
const result = builtinReferences.get( ZID );
if ( result === undefined ) {
return null;
}
return result;
}
module.exports = {
builtinReferences, getFunction, getLazyVariables, getLazyReturn, resolveBuiltinReference,
resolveListType, getLanguageMap
};
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