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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\Compiler; |
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use Railt\Compiler\Builder\Buildable; |
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use Railt\Compiler\Reader\PragmaParser; |
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use Railt\Compiler\Reader\ProductionParser; |
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use Railt\Compiler\Reader\RuleAnalyzer; |
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use Railt\Compiler\Reader\TokenParser; |
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use Railt\Compiler\Lexer\NativeStateless; |
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use Railt\Compiler\Lexer\Stateless; |
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use Railt\Compiler\Parser; |
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use Railt\Compiler\Parser\Runtime as ParserRuntime; |
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use Railt\Compiler\ParserInterface; |
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/** |
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* Class Result |
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*/ |
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class ParsingResult |
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{ |
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/** |
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* @var PragmaParser |
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*/ |
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private $pragma; |
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/** |
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* @var TokenParser |
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*/ |
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private $tokens; |
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/** |
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* @var ProductionParser |
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*/ |
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private $productions; |
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/** |
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* @var Stateless |
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*/ |
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private $lexer; |
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/** |
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* @var ParserInterface|ParserRuntime |
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*/ |
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private $parser; |
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/** |
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* Result constructor. |
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* @param PragmaParser $pragma |
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* @param TokenParser $tokens |
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* @param ProductionParser $productions |
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*/ |
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public function __construct(PragmaParser $pragma, TokenParser $tokens, ProductionParser $productions) |
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{ |
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$this->pragma = $pragma; |
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$this->tokens = $tokens; |
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$this->productions = $productions; |
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} |
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/** |
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* @return ParserInterface|Parser |
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*/ |
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public function getParser(): ParserInterface |
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{ |
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if ($this->parser === null) { |
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$this->parser = new Parser($this->getLexer(), $this->getRules()); |
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} |
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return $this->parser; |
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} |
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/** |
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* @return Stateless |
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*/ |
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public function getLexer(): Stateless |
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{ |
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if ($this->lexer === null) { |
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$this->lexer = new NativeStateless(); |
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foreach ($this->tokens->getTokens() as $name => $pcre) { |
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$this->lexer->add($name, $pcre); |
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} |
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foreach ($this->tokens->getSkippedTokens() as $name) { |
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$this->lexer->skip($name); |
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} |
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} |
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return $this->lexer; |
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} |
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/** |
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* @return array |
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*/ |
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public function getRules(): array |
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{ |
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$result = []; |
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foreach ($this->getBuilders() as $key => $builder) { |
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$result[$key] = $builder->toRule(); |
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} |
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return $result; |
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} |
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/** |
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* @return array|Buildable[] |
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*/ |
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public function getBuilders(): iterable |
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{ |
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$analyzer = new RuleAnalyzer($this->getLexer()); |
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return $analyzer->analyze($this->productions->getRules()); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..