fredemmott / definition-finder
Find definitions in PHP or Hack files. Useful for autoloaders.
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Language:Hack
Requires
- hhvm: ~3.12
Requires (Dev)
- 91carriage/phpunit-hhi: ~5.1
- hhvm/systemlib-extractor: ^0.1.0
- phpunit/phpunit: ~5.1
README
This library finds all the definitions in a file or tree that HHVM understands. It is used to generate the Hack reference documentation, and be used for other purposes such as generating autoload maps
This project requires HHVM 3.9 or later - however, if the code being scanned requires a later version of HHVM, definition-finder may not be able to parse it on the lower version.
Usage
There are three main entrypoints:
FileParser::FromFile(string $filename)
FileParser::FromData(string $data, ?string $filename = null)
TreeParser::FromPath(string $path)
FileParser
returns definitions from a single file, whereas TreeParser
recurses over an entire directory tree. All 3 of these functions return an implementation of BaseParser
. There are three forms of accessors:
getClasses(): \ConstVector<ScannedBasicClass>
- returns aConstVector
of [ScannedBasicClass
](src/definitions/ScannedBasicClass.php], which has a similar interface toReflectionClass
getClassNames(): \ConstVector<string>
- returns aConstVector
of class namesgetClass(string $name): ScannedBasicClass
- returns aScannedBasicClass
for the specified class, or throws an exception if it was not found
Similar functions exist for interfaces, traits, constants, enums, and typedefs.
Installation
hhvm composer require fredemmott/definition-finder
Status
The API is stable, and this is used in production to generate the Hack reference documentation.
It has been used extensively on modern Hack and PHP code, including all of the Hack typechecker definitions and extensions inside HHVM; it has not yet been extensively used on older code bases - please file an issue if you find PHP code that it can not handle.
Implementation
This is a recursive parser built on the token stream exposed by token_get_all()
.
License
This project is licensed under the BSD license; see the LICENSE file.