hack-codegen/src/CodegenShape.hack at main · onkeypress-llc/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;

/**

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

* the function codegenShape. E.g.:

* ```

* codegenShape(

* new CodegenShapeMember('x', 'int'),

* (new CodegenShapeMember('y', 'int'))->setIsOptional(),

* )

* ```

final class CodegenShape implements ICodeBuilderRenderer {

use HackBuilderRenderer;

private ?string $manualAttrsID = null;

public function __construct(

protected IHackCodegenConfig $config,

private vec<CodegenShapeMember> $members,

) {

}

public function setManualAttrsID(?string $id = null): this {

$this->manualAttrsID = $id;

return $this;

}

private bool $allowSubtyping = false;

public function allowsSubtyping(): bool {

return $this->allowSubtyping;

}

public function setAllowsSubtyping(bool $value): this {

$this->allowSubtyping = $value;

return $this;

}

public function appendToBuilder(HackBuilder $builder): HackBuilder {

$builder->addLine('shape(')->indent();

foreach ($this->members as $member) {

$prefix = $member->getIsOptional() ? '?' : '';

$builder->addLinef(

"%s'%s' => %s,",

$prefix,

$member->getName(),

$member->getType(),

);

}

$manual_id = $this->manualAttrsID;

if ($manual_id !== null) {

$builder

->ensureNewLine()

->startManualSection($manual_id)

->ensureEmptyLine()

->endManualSection();

}

if ($this->allowsSubtyping()) {

$builder->ensureNewLine()->addLine('...');

}

return $builder->unindent()->add(')');

}

hack-codegen/src/CodegenShape.hack at main · onkeypress-llc/hack-codegen · GitHub

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