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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\Grammar; |
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use Railt\Lexer\Factory; |
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use Railt\Lexer\LexerInterface; |
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use Railt\Parser\Driver\Llk; |
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use Railt\Parser\Driver\Stateful; |
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use Railt\Parser\Grammar; |
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use Railt\Parser\GrammarInterface; |
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use Railt\Parser\ParserInterface; |
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use Railt\Parser\Rule\Alternation; |
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use Railt\Parser\Rule\Concatenation; |
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use Railt\Parser\Rule\Repetition; |
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use Railt\Parser\Rule\Terminal; |
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/** |
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* --- DO NOT EDIT THIS FILE --- |
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* |
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* Class Parser has been auto-generated. |
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* Generated at: 14-09-2018 17:15:13 |
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* |
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* --- DO NOT EDIT THIS FILE --- |
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*/ |
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class Parser extends Stateful |
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{ |
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public const T_PRAGMA = 'T_PRAGMA'; |
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public const T_INCLUDE = 'T_INCLUDE'; |
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public const T_TOKEN = 'T_TOKEN'; |
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public const T_SKIP = 'T_SKIP'; |
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public const T_OR = 'T_OR'; |
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public const T_TOKEN_SKIPPED = 'T_TOKEN_SKIPPED'; |
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public const T_TOKEN_KEPT = 'T_TOKEN_KEPT'; |
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public const T_TOKEN_STRING = 'T_TOKEN_STRING'; |
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public const T_INVOKE = 'T_INVOKE'; |
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public const T_GROUP_OPEN = 'T_GROUP_OPEN'; |
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public const T_GROUP_CLOSE = 'T_GROUP_CLOSE'; |
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public const T_REPEAT_ZERO_OR_ONE = 'T_REPEAT_ZERO_OR_ONE'; |
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public const T_REPEAT_ONE_OR_MORE = 'T_REPEAT_ONE_OR_MORE'; |
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public const T_REPEAT_ZERO_OR_MORE = 'T_REPEAT_ZERO_OR_MORE'; |
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public const T_REPEAT_N_TO_M = 'T_REPEAT_N_TO_M'; |
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public const T_REPEAT_N_OR_MORE = 'T_REPEAT_N_OR_MORE'; |
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public const T_REPEAT_ZERO_TO_M = 'T_REPEAT_ZERO_TO_M'; |
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public const T_REPEAT_EXACTLY_N = 'T_REPEAT_EXACTLY_N'; |
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public const T_KEPT_NAME = 'T_KEPT_NAME'; |
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public const T_NAME = 'T_NAME'; |
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public const T_EQ = 'T_EQ'; |
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public const T_DELEGATE = 'T_DELEGATE'; |
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public const T_END_OF_RULE = 'T_END_OF_RULE'; |
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public const T_WHITESPACE = 'T_WHITESPACE'; |
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public const T_COMMENT = 'T_COMMENT'; |
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public const T_BLOCK_COMMENT = 'T_BLOCK_COMMENT'; |
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/** |
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* Lexical tokens list. |
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* |
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* @var string[] |
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*/ |
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protected const LEXER_TOKENS = [ |
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self::T_PRAGMA => '%pragma\\h+([\\w\\.]+)\\h+([^\\s]+)', |
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self::T_INCLUDE => '%include\\h+([^\\s]+)', |
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self::T_TOKEN => '%token\\h+(\\w+)\\h+([^\\s]+)', |
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self::T_SKIP => '%skip\\h+(\\w+)\\h+([^\\s]+)', |
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self::T_OR => '\\|', |
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self::T_TOKEN_SKIPPED => '::(\\w+)::', |
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self::T_TOKEN_KEPT => '<(\\w+)>', |
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self::T_TOKEN_STRING => '("[^"\\\\]+(\\\\.[^"\\\\]*)*"|\'[^\'\\\\]+(\\\\.[^\'\\\\]*)*\')', |
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self::T_INVOKE => '(\\w+)\\(\\)', |
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self::T_GROUP_OPEN => '\\(', |
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self::T_GROUP_CLOSE => '\\)', |
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self::T_REPEAT_ZERO_OR_ONE => '\\?', |
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self::T_REPEAT_ONE_OR_MORE => '\\+', |
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self::T_REPEAT_ZERO_OR_MORE => '\\*', |
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self::T_REPEAT_N_TO_M => '{\\h*(\\-?\\d+)\\h*,\\h*(\\-?\\d+)\\h*}', |
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self::T_REPEAT_N_OR_MORE => '{\\h*(\\-?\\d+)\\h*,\\h*}', |
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self::T_REPEAT_ZERO_TO_M => '{\\h*,\\h*(\\-?\\d+)\\h*}', |
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self::T_REPEAT_EXACTLY_N => '{\\h*(\\-?\\d+)\\h*}', |
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self::T_KEPT_NAME => '#', |
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self::T_NAME => '[a-zA-Z_\\x7f-\\xff\\\\][a-zA-Z0-9_\\x7f-\\xff\\\\]*', |
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self::T_EQ => '(\\:|\\:\\:=|=)', |
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self::T_DELEGATE => '\\->', |
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self::T_END_OF_RULE => ';', |
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self::T_WHITESPACE => '(\\xfe\\xff|\\x20|\\x09|\\x0a|\\x0d)+', |
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self::T_COMMENT => '//[^\\n]*', |
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self::T_BLOCK_COMMENT => '/\\*.*?\\*/', |
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]; |
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/** |
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* List of skipped tokens. |
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* |
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* @var string[] |
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*/ |
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protected const LEXER_SKIPPED_TOKENS = [ |
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'T_WHITESPACE', |
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'T_COMMENT', |
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'T_BLOCK_COMMENT', |
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]; |
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/** |
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* @var int |
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*/ |
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protected const LEXER_FLAGS = Factory::LOOKAHEAD; |
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/** |
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* List of rule delegates. |
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* |
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* @var string[] |
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*/ |
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protected const PARSER_DELEGATES = [ |
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'TokenDefinition' => \Railt\Compiler\Grammar\Delegate\TokenDelegate::class, |
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'IncludeDefinition' => \Railt\Compiler\Grammar\Delegate\IncludeDelegate::class, |
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'RuleDefinition' => \Railt\Compiler\Grammar\Delegate\RuleDelegate::class, |
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]; |
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/** |
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* Parser root rule name. |
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* |
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* @var string |
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*/ |
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protected const PARSER_ROOT_RULE = 'Grammar'; |
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/** |
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* @return ParserInterface |
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* @throws \InvalidArgumentException |
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* @throws \Railt\Lexer\Exception\BadLexemeException |
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*/ |
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protected function boot(): ParserInterface |
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{ |
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return new Llk($this->bootLexer(), $this->bootGrammar()); |
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} |
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/** |
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* @return LexerInterface |
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* @throws \InvalidArgumentException |
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* @throws \Railt\Lexer\Exception\BadLexemeException |
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*/ |
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protected function bootLexer(): LexerInterface |
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{ |
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return Factory::create(static::LEXER_TOKENS, static::LEXER_SKIPPED_TOKENS, static::LEXER_FLAGS); |
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} |
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/** |
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* @return GrammarInterface |
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*/ |
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protected function bootGrammar(): GrammarInterface |
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{ |
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return new Grammar([ |
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new Repetition(0, 0, -1, '__definition', null), |
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(new Concatenation('Grammar', [0], 'Grammar'))->setDefaultId('Grammar'), |
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new Concatenation(2, ['RuleDefinition'], null), |
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new Alternation('__definition', ['TokenDefinition', 'PragmaDefinition', 'IncludeDefinition', 2], null), |
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new Terminal(4, 'T_TOKEN', true), |
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new Concatenation(5, [4], 'TokenDefinition'), |
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new Terminal(6, 'T_SKIP', true), |
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new Concatenation(7, [6], 'TokenDefinition'), |
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(new Alternation('TokenDefinition', [5, 7], null))->setDefaultId('TokenDefinition'), |
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new Terminal(9, 'T_PRAGMA', true), |
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(new Concatenation('PragmaDefinition', [9], 'PragmaDefinition'))->setDefaultId('PragmaDefinition'), |
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new Terminal(11, 'T_INCLUDE', true), |
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(new Concatenation('IncludeDefinition', [11], 'IncludeDefinition'))->setDefaultId('IncludeDefinition'), |
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new Repetition(13, 0, 1, 'ShouldKeep', null), |
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new Repetition(14, 0, 1, 'RuleDelegate', null), |
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new Terminal(15, 'T_EQ', false), |
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new Terminal(16, 'T_END_OF_RULE', false), |
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new Repetition(17, 0, 1, 16, null), |
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(new Concatenation('RuleDefinition', [13, 'RuleName', 14, 15, 'RuleProduction', 17], 'RuleDefinition'))->setDefaultId('RuleDefinition'), |
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new Terminal(19, 'T_NAME', true), |
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(new Concatenation('RuleName', [19], 'RuleName'))->setDefaultId('RuleName'), |
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new Terminal(21, 'T_DELEGATE', false), |
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new Terminal(22, 'T_NAME', true), |
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(new Concatenation('RuleDelegate', [21, 22], 'RuleDelegate'))->setDefaultId('RuleDelegate'), |
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new Terminal(24, 'T_KEPT_NAME', false), |
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(new Concatenation('ShouldKeep', [24], 'ShouldKeep'))->setDefaultId('ShouldKeep'), |
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new Concatenation(26, ['__alternation'], null), |
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(new Concatenation('RuleProduction', [26], 'RuleProduction'))->setDefaultId('RuleProduction'), |
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new Concatenation(28, ['Alternation'], null), |
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new Alternation('__alternation', ['__concatenation', 28], null), |
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new Terminal(30, 'T_OR', true), |
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new Concatenation(31, [30, '__concatenation'], 'Alternation'), |
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new Repetition(32, 1, -1, 31, null), |
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(new Concatenation('Alternation', ['__concatenation', 32], null))->setDefaultId('Alternation'), |
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new Concatenation(34, ['Concatenation'], null), |
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new Alternation('__concatenation', ['__repetition', 34], null), |
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new Repetition(36, 1, -1, '__repetition', null), |
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(new Concatenation('Concatenation', ['__repetition', 36], 'Concatenation'))->setDefaultId('Concatenation'), |
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new Alternation(38, ['__simple', 'Repetition'], null), |
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new Repetition(39, 0, 1, 'Rename', null), |
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new Concatenation('__repetition', [38, 39], null), |
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new Concatenation(41, ['Quantifier'], null), |
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(new Concatenation('Repetition', ['__simple', 41], 'Repetition'))->setDefaultId('Repetition'), |
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new Terminal(43, 'T_GROUP_OPEN', true), |
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new Terminal(44, 'T_GROUP_CLOSE', true), |
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new Concatenation(45, [43, '__alternation', 44], null), |
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new Terminal(46, 'T_TOKEN_SKIPPED', true), |
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new Terminal(47, 'T_TOKEN_KEPT', true), |
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new Terminal(48, 'T_TOKEN_STRING', true), |
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new Terminal(49, 'T_INVOKE', true), |
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new Alternation('__simple', [45, 46, 47, 48, 49], null), |
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new Terminal(51, 'T_REPEAT_ZERO_OR_ONE', true), |
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new Concatenation(52, [51], 'Quantifier'), |
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new Terminal(53, 'T_REPEAT_ONE_OR_MORE', true), |
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new Concatenation(54, [53], 'Quantifier'), |
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new Terminal(55, 'T_REPEAT_ZERO_OR_MORE', true), |
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new Concatenation(56, [55], 'Quantifier'), |
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new Terminal(57, 'T_REPEAT_N_TO_M', true), |
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new Concatenation(58, [57], 'Quantifier'), |
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new Terminal(59, 'T_REPEAT_ZERO_OR_MORE', true), |
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new Concatenation(60, [59], 'Quantifier'), |
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new Terminal(61, 'T_REPEAT_ZERO_TO_M', true), |
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new Concatenation(62, [61], 'Quantifier'), |
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new Terminal(63, 'T_REPEAT_N_OR_MORE', true), |
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new Concatenation(64, [63], 'Quantifier'), |
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new Terminal(65, 'T_REPEAT_EXACTLY_N', true), |
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new Concatenation(66, [65], 'Quantifier'), |
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(new Alternation('Quantifier', [52, 54, 56, 58, 60, 62, 64, 66], null))->setDefaultId('Quantifier'), |
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new Terminal(68, 'T_KEPT_NAME', true), |
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new Terminal(69, 'T_NAME', true), |
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(new Concatenation('Rename', [68, 69], 'Rename'))->setDefaultId('Rename'), |
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], static::PARSER_ROOT_RULE, static::PARSER_DELEGATES); |
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} |
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} |
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railt /
compiler
