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Remove never-used function

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This commit is contained in:
Matthew Brown 2018-06-10 10:49:51 -04:00
parent 3a2fa99969
commit 04758a48c6
1 changed files with 0 additions and 173 deletions
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173
src/Psalm/Checker/TypeChecker.php
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@ -1051,179 +1051,6 @@ class TypeChecker
return $result_types;
}
/**
* @return bool
*/
public static function hasIdenticalTypes(
Codebase $codebase,
Type\Union $declared_type,
Type\Union $inferred_type
) {
if ($declared_type->isMixed() || $inferred_type->isEmpty()) {
return true;
}
if ($declared_type->isNullable() !== $inferred_type->isNullable()) {
return false;
}
$simple_declared_types = array_filter(
array_keys($declared_type->getTypes()),
/**
* @param string $type_value
*
* @return bool
*/
function ($type_value) {
return $type_value !== 'null';
}
);
$simple_inferred_types = array_filter(
array_keys($inferred_type->getTypes()),
/**
* @param string $type_value
*
* @return bool
*/
function ($type_value) {
return $type_value !== 'null';
}
);
// gets elements A△B
$differing_types = array_diff($simple_inferred_types, $simple_declared_types);
if (!empty($differing_types)) {
// check whether the differing types are subclasses of declared return types
foreach ($differing_types as $differing_type) {
$is_match = false;
if ($differing_type === 'mixed') {
continue;
}
foreach ($simple_declared_types as $simple_declared_type) {
if ($simple_declared_type === 'mixed') {
$is_match = true;
break;
}
if (strtolower($simple_declared_type) === 'callable' && strtolower($differing_type) === 'closure') {
$is_match = true;
break;
}
if (isset(ClassLikeChecker::$SPECIAL_TYPES[strtolower($simple_declared_type)]) ||
isset(ClassLikeChecker::$SPECIAL_TYPES[strtolower($differing_type)])
) {
if (in_array($differing_type, ['float', 'int'], true) &&
in_array($simple_declared_type, ['float', 'int'], true)
) {
$is_match = true;
break;
}
continue;
}
if (!$codebase->classOrInterfaceExists($differing_type)) {
break;
}
if ($simple_declared_type === 'object') {
$is_match = true;
break;
}
if (!$codebase->classOrInterfaceExists($simple_declared_type)) {
break;
}
if ($codebase->classExtendsOrImplements($differing_type, $simple_declared_type)) {
$is_match = true;
break;
}
if ($codebase->interfaceExists($differing_type) &&
$codebase->interfaceExtends($differing_type, $simple_declared_type)
) {
$is_match = true;
break;
}
}
if (!$is_match) {
return false;
}
}
}
foreach ($declared_type->getTypes() as $key => $declared_atomic_type) {
if (!isset($inferred_type->getTypes()[$key])) {
continue;
}
$inferred_atomic_type = $inferred_type->getTypes()[$key];
if (!$declared_atomic_type instanceof Type\Atomic\TArray &&
!$declared_atomic_type instanceof Type\Atomic\TGenericObject
) {
continue;
}
if (!$inferred_atomic_type instanceof Type\Atomic\TArray &&
!$inferred_atomic_type instanceof Type\Atomic\TGenericObject
) {
// @todo handle this better
continue;
}
foreach ($declared_atomic_type->type_params as $offset => $type_param) {
if (!self::hasIdenticalTypes(
$codebase,
$type_param,
$inferred_atomic_type->type_params[$offset]
)) {
return false;
}
}
}
foreach ($declared_type->getTypes() as $key => $declared_atomic_type) {
if (!isset($inferred_type->getTypes()[$key])) {
continue;
}
$inferred_atomic_type = $inferred_type->getTypes()[$key];
if (!($declared_atomic_type instanceof Type\Atomic\ObjectLike)) {
continue;
}
if (!($inferred_atomic_type instanceof Type\Atomic\ObjectLike)) {
// @todo handle this better
continue;
}
foreach ($declared_atomic_type->properties as $property_name => $type_param) {
if (!isset($inferred_atomic_type->properties[$property_name])) {
return false;
}
if (!self::hasIdenticalTypes(
$codebase,
$type_param,
$inferred_atomic_type->properties[$property_name]
)) {
return false;
}
}
}
return true;
}
/**
* @return Type\Union
*/