hack-codegen/src/CodegenTrait.hack at main · hhvm/hack-codegen · GitHub

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* This source code is licensed under the MIT license found in the

* LICENSE file in the root directory of this source tree.

namespace Facebook\HackCodegen;

use namespace HH\Lib\C;

/**

* Generate code for a trait. Please don't use this class directly; instead use

* the function codegen_trait. E.g.:

* codegen_trait('Foo')

* ->addMethod(codegen_method('foobar'))

* ->render();

final class CodegenTrait extends CodegenClassish {

use CodegenClassWithInterfaces;

private vec<string> $requireClass = vec[];

private vec<string> $requireInterface = vec[];

public function addRequireClass(string $class): this {

$this->requireClass[] = $class;

return $this;

}

public function addRequireInterface(string $interface): this {

$this->requireInterface[] = $interface;

return $this;

}

<<__Override>>

protected function buildDeclaration(HackBuilder $builder): void {

$generics_dec = $this->buildGenericsDeclaration();

$builder->add('trait '.$this->name.$generics_dec);

$this->renderInterfaceList($builder, 'implements');

}

private function buildRequires(HackBuilder $builder): void {

if (

C\is_empty($this->requireClass) && C\is_empty($this->requireInterface)

) {

return;

}

$builder->ensureEmptyLine();

foreach ($this->requireClass as $class) {

$builder->addLinef('require extends %s;', $class);

}

foreach ($this->requireInterface as $interface) {

$builder->addLinef('require implements %s;', $interface);

}

<<__Override>>

protected function appendBodyToBuilder(HackBuilder $builder): void {

$this->buildRequires($builder);

$this->buildTraits($builder);

$this->buildConsts($builder);

$this->buildXHPAttributes($builder);

$this->buildVars($builder);

$this->buildManualDeclarations($builder);

$this->buildMethods($builder);

}

hack-codegen/src/CodegenTrait.hack at main · hhvm/hack-codegen · GitHub

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