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Add PHP 8.5 emitter #187

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Merged
thekid merged 1 commit into from
Jun 14, 2025
Merged

Add PHP 8.5 emitter #187

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57 changes: 57 additions & 0 deletions src/main/php/lang/ast/emit/PHP85.class.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
<?php namespace lang\ast\emit;

use lang\ast\types\{
IsArray,
IsFunction,
IsGeneric,
IsIntersection,
IsLiteral,
IsMap,
IsNullable,
IsUnion,
IsValue
};

/**
* PHP 8.5 syntax
*
* @test lang.ast.unittest.emit.PHP85Test
* @see https://wiki.php.net/rfc#php_85
*/
class PHP85 extends PHP {
use RewriteBlockLambdaExpressions;

public $targetVersion= 80500;

/** Sets up type => literal mappings */
public function __construct() {
$this->literals= [
IsArray::class => function($t) { return 'array'; },
IsMap::class => function($t) { return 'array'; },
IsFunction::class => function($t) { return 'callable'; },
IsValue::class => function($t) { return $t->literal(); },
IsNullable::class => function($t) {
if (null === ($l= $this->literal($t->element))) return null;
return $t->element instanceof IsUnion ? $l.'|null' : '?'.$l;
},
IsIntersection::class => function($t) {
$i= '';
foreach ($t->components as $component) {
if (null === ($l= $this->literal($component))) return null;
$i.= '&'.$l;
}
return substr($i, 1);
},
IsUnion::class => function($t) {
$u= '';
foreach ($t->components as $component) {
if (null === ($l= $this->literal($component))) return null;
$u.= '|'.$l;
}
return substr($u, 1);
},
IsLiteral::class => function($t) { return $t->literal(); },
IsGeneric::class => function($t) { return null; }
];
}
}
26 changes: 26 additions & 0 deletions src/test/php/lang/ast/unittest/emit/PHP85Test.class.php
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<?php namespace lang\ast\unittest\emit;

use lang\ast\emit\Type;
use test\{Assert, Test};

class PHP85Test extends EmittingTest {

/** @return string */
protected function runtime() { return 'php:8.5.0'; }

#[Test]
public function pipe_operator() {
Assert::equals(
'"test"|>strtoupper(...);',
$this->emit('"test" |> strtoupper(...);')
);
}

#[Test]
public function nullsafepipe_operator() {
Assert::equals(
'null===($_0="test")?null:$_0|>strtoupper(...);',
$this->emit('"test" ?|> strtoupper(...);')
);
}
}
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