mirror of
https://github.com/zoe-may/TDoG-Skin.git
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374 lines
16 KiB
PHP
374 lines
16 KiB
PHP
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<?php
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/**
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* Hoa
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*
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*
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* @license
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*
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* New BSD License
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*
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* Copyright © 2007-2017, Hoa community. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Hoa nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Hoa\Compiler\Test\Unit\Llk;
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use Hoa\Compiler as LUT;
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use Hoa\Compiler\Llk\Llk as SUT;
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use Hoa\File;
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use Hoa\Test;
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/**
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* Class \Hoa\Compiler\Test\Unit\Llk\Llk.
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*
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* Test suite of the LL(k) helper class.
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*
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* @copyright Copyright © 2007-2017 Hoa community
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* @license New BSD License
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*/
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class Llk extends Test\Unit\Suite
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{
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public function case_load_empty()
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{
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$this
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->given($stream = new File\ReadWrite('hoa://Test/Vfs/Empty.pp?type=file'))
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->exception(function () use ($stream) {
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SUT::load($stream);
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})
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->isInstanceOf(LUT\Exception::class)
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->hasMessage(
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'The grammar is empty: Nothing to read on the stream ' .
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'hoa://Test/Vfs/Empty.pp?type=file.'
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);
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}
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public function case_load()
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{
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$this
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->given(
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$stream = new File\ReadWrite('hoa://Test/Vfs/Grammar.pp?type=file'),
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$stream->writeAll(
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'%pragma hello world' . "\n" .
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'%token foobar bazqux' . "\n" .
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'ruleA:' . "\n" .
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' <foobar>'
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),
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$_ruleA = new LUT\Llk\Rule\Token('ruleA', 'foobar', null, -1, true),
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$_ruleA->setPPRepresentation(' <foobar>')
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)
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->when($result = SUT::load($stream))
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->then
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->object($result)
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->isInstanceOf(LUT\Llk\Parser::class)
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->array($result->getPragmas())
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->isEqualTo([
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'hello' => 'world'
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])
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->array($result->getTokens())
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->isEqualTo([
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'default' => [
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'foobar' => 'bazqux'
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]
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])
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->array($result->getRules())
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->isEqualTo([
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'ruleA' => $_ruleA
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]);
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}
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public function case_save()
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{
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$this
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->given(
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$stream = new File\Read('hoa://Library/Compiler/Llk/Llk.pp'),
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$parser = SUT::load($stream)
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)
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->when($result = SUT::save($parser, 'Foobar'))
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->then
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->string($result)
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->isEqualTo(<<<'OUTPUT'
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class Foobar extends \Hoa\Compiler\Llk\Parser
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{
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public function __construct()
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{
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parent::__construct(
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[
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'default' => [
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'skip' => '\s',
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'or' => '\|',
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'zero_or_one' => '\?',
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'one_or_more' => '\+',
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'zero_or_more' => '\*',
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'n_to_m' => '\{[0-9]+,[0-9]+\}',
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'zero_to_m' => '\{,[0-9]+\}',
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'n_or_more' => '\{[0-9]+,\}',
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'exactly_n' => '\{[0-9]+\}',
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'token' => '[a-zA-Z_][a-zA-Z0-9_]*',
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'skipped' => '::',
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'kept_' => '<',
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'_kept' => '>',
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'named' => '\(\)',
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'node' => '#[a-zA-Z_][a-zA-Z0-9_]*(:[mM])?',
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'capturing_' => '\(',
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'_capturing' => '\)',
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'unification_' => '\[',
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'unification' => '[0-9]+',
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'_unification' => '\]',
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],
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],
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[
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0 => new \Hoa\Compiler\Llk\Rule\Concatenation(0, ['choice'], null),
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'rule' => new \Hoa\Compiler\Llk\Rule\Concatenation('rule', [0], '#rule'),
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2 => new \Hoa\Compiler\Llk\Rule\Token(2, 'or', null, -1, false),
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3 => new \Hoa\Compiler\Llk\Rule\Concatenation(3, [2, 'concatenation'], '#choice'),
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4 => new \Hoa\Compiler\Llk\Rule\Repetition(4, 0, -1, 3, null),
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'choice' => new \Hoa\Compiler\Llk\Rule\Concatenation('choice', ['concatenation', 4], null),
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6 => new \Hoa\Compiler\Llk\Rule\Concatenation(6, ['repetition'], '#concatenation'),
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7 => new \Hoa\Compiler\Llk\Rule\Repetition(7, 0, -1, 6, null),
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'concatenation' => new \Hoa\Compiler\Llk\Rule\Concatenation('concatenation', ['repetition', 7], null),
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9 => new \Hoa\Compiler\Llk\Rule\Concatenation(9, ['quantifier'], '#repetition'),
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10 => new \Hoa\Compiler\Llk\Rule\Repetition(10, 0, 1, 9, null),
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11 => new \Hoa\Compiler\Llk\Rule\Token(11, 'node', null, -1, true),
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12 => new \Hoa\Compiler\Llk\Rule\Repetition(12, 0, 1, 11, null),
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'repetition' => new \Hoa\Compiler\Llk\Rule\Concatenation('repetition', ['simple', 10, 12], null),
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14 => new \Hoa\Compiler\Llk\Rule\Token(14, 'capturing_', null, -1, false),
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15 => new \Hoa\Compiler\Llk\Rule\Token(15, '_capturing', null, -1, false),
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16 => new \Hoa\Compiler\Llk\Rule\Concatenation(16, [14, 'choice', 15], null),
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17 => new \Hoa\Compiler\Llk\Rule\Token(17, 'skipped', null, -1, false),
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18 => new \Hoa\Compiler\Llk\Rule\Token(18, 'token', null, -1, true),
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19 => new \Hoa\Compiler\Llk\Rule\Token(19, 'unification_', null, -1, false),
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20 => new \Hoa\Compiler\Llk\Rule\Token(20, 'unification', null, -1, true),
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21 => new \Hoa\Compiler\Llk\Rule\Token(21, '_unification', null, -1, false),
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22 => new \Hoa\Compiler\Llk\Rule\Concatenation(22, [19, 20, 21], null),
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23 => new \Hoa\Compiler\Llk\Rule\Repetition(23, 0, 1, 22, null),
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24 => new \Hoa\Compiler\Llk\Rule\Token(24, 'skipped', null, -1, false),
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25 => new \Hoa\Compiler\Llk\Rule\Concatenation(25, [17, 18, 23, 24], '#skipped'),
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26 => new \Hoa\Compiler\Llk\Rule\Token(26, 'kept_', null, -1, false),
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27 => new \Hoa\Compiler\Llk\Rule\Token(27, 'token', null, -1, true),
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28 => new \Hoa\Compiler\Llk\Rule\Token(28, 'unification_', null, -1, false),
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29 => new \Hoa\Compiler\Llk\Rule\Token(29, 'unification', null, -1, true),
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30 => new \Hoa\Compiler\Llk\Rule\Token(30, '_unification', null, -1, false),
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31 => new \Hoa\Compiler\Llk\Rule\Concatenation(31, [28, 29, 30], null),
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32 => new \Hoa\Compiler\Llk\Rule\Repetition(32, 0, 1, 31, null),
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33 => new \Hoa\Compiler\Llk\Rule\Token(33, '_kept', null, -1, false),
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34 => new \Hoa\Compiler\Llk\Rule\Concatenation(34, [26, 27, 32, 33], '#kept'),
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35 => new \Hoa\Compiler\Llk\Rule\Token(35, 'token', null, -1, true),
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36 => new \Hoa\Compiler\Llk\Rule\Token(36, 'named', null, -1, false),
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37 => new \Hoa\Compiler\Llk\Rule\Concatenation(37, [35, 36], null),
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'simple' => new \Hoa\Compiler\Llk\Rule\Choice('simple', [16, 25, 34, 37], null),
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39 => new \Hoa\Compiler\Llk\Rule\Token(39, 'zero_or_one', null, -1, true),
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40 => new \Hoa\Compiler\Llk\Rule\Token(40, 'one_or_more', null, -1, true),
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41 => new \Hoa\Compiler\Llk\Rule\Token(41, 'zero_or_more', null, -1, true),
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42 => new \Hoa\Compiler\Llk\Rule\Token(42, 'n_to_m', null, -1, true),
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43 => new \Hoa\Compiler\Llk\Rule\Token(43, 'n_or_more', null, -1, true),
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44 => new \Hoa\Compiler\Llk\Rule\Token(44, 'exactly_n', null, -1, true),
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'quantifier' => new \Hoa\Compiler\Llk\Rule\Choice('quantifier', [39, 40, 41, 42, 43, 44], null),
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],
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[
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]
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);
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$this->getRule('rule')->setDefaultId('#rule');
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$this->getRule('rule')->setPPRepresentation(' choice()');
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$this->getRule('choice')->setPPRepresentation(' concatenation() ( ::or:: concatenation() #choice )*');
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$this->getRule('concatenation')->setPPRepresentation(' repetition() ( repetition() #concatenation )*');
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$this->getRule('repetition')->setPPRepresentation(' simple() ( quantifier() #repetition )? <node>?');
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$this->getRule('simple')->setPPRepresentation(' ::capturing_:: choice() ::_capturing:: | ::skipped:: <token> ( ::unification_:: <unification> ::_unification:: )? ::skipped:: #skipped | ::kept_:: <token> ( ::unification_:: <unification> ::_unification:: )? ::_kept:: #kept | <token> ::named::');
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$this->getRule('quantifier')->setPPRepresentation(' <zero_or_one> | <one_or_more> | <zero_or_more> | <n_to_m> | <n_or_more> | <exactly_n>');
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}
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}
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OUTPUT
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);
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}
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public function case_parse_tokens()
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{
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$this
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->given(
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$pp =
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'%token foobar1 bazqux1' . "\n" .
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'%token sourceNS1:foobar2 bazqux2' . "\n" .
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'%token sourceNS2:foobar3 bazqux3 -> destinationNS' . "\n" .
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'%token foobar4 barqux4 -> destinationNS'
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)
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->when($result = SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo'))
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->then
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->variable($result)
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->isNull()
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->array($tokens)
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->isEqualTo([
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'default' => [
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'foobar1' => 'bazqux1',
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'foobar4:destinationNS' => 'barqux4'
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],
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'sourceNS1' => [
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'foobar2' => 'bazqux2'
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],
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'sourceNS2' => [
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'foobar3:destinationNS' => 'bazqux3'
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]
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])
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->array($rules)
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->isEmpty()
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->array($pragmas)
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->isEmpty();
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}
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public function case_parse_skip_tokens()
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{
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$this
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->given(
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$pp =
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'%skip foobar1 bazqux1' . "\n" .
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'%skip foobar2 bazqux2' . "\n" .
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'%skip foobar3 bazqux3' . "\n" .
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'%skip sourceNS1:foobar4 bazqux4' . "\n" .
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'%skip sourceNS1:foobar5 bazqux5' . "\n" .
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'%skip sourceNS2:foobar6 bazqux6' . "\n"
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)
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->when($result = SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo'))
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->then
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->variable($result)
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->isNull()
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->array($tokens)
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->isEqualTo([
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'default' => [
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'skip' => '(?:(?:bazqux1|bazqux2)|bazqux3)',
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],
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'sourceNS1' => [
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'skip' => '(?:bazqux4|bazqux5)'
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],
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'sourceNS2' => [
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'skip' => 'bazqux6'
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]
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])
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->array($rules)
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->isEmpty()
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->array($pragmas)
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->isEmpty();
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}
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public function case_parse_pragmas()
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{
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$this
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->given(
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$pp =
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'%pragma truly true' . "\n" .
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'%pragma falsy false' . "\n" .
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'%pragma numby 42' . "\n" .
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'%pragma foobar hello' . "\n" .
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'%pragma bazqux "world!" ' . "\n"
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)
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->when($result = SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo'))
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->then
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->variable($result)
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->isNull()
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->array($tokens)
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->isEqualTo(['default' => []])
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->array($rules)
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->isEmpty()
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->array($pragmas)
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->isIdenticalTo([
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'truly' => true,
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'falsy' => false,
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'numby' => 42,
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'foobar' => 'hello',
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'bazqux' => '"world!"'
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]);
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}
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public function case_unrecognized_instructions()
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{
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$this
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->given(
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$pp =
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'// shift line' . "\n" .
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'%foobar baz qux' . "\n"
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)
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->exception(function () use ($pp) {
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SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo');
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})
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->isInstanceOf(LUT\Exception::class)
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|
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->hasMessage(
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'Unrecognized instructions:' . "\n" .
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' %foobar baz qux' . "\n" .
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'in file streamFoo at line 2.'
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function case_parse_rules()
|
||
|
|
{
|
||
|
|
$this
|
||
|
|
->given(
|
||
|
|
$pp =
|
||
|
|
'ruleA:' . "\n" .
|
||
|
|
' single space' . "\n" .
|
||
|
|
' single space' . "\n" .
|
||
|
|
'ruleB:' . "\n" .
|
||
|
|
' many spaces' . "\n" .
|
||
|
|
"\t" . 'single tab' . "\n" .
|
||
|
|
'ruleC:' . "\n" .
|
||
|
|
"\t\t" . 'many tabs' . "\n"
|
||
|
|
)
|
||
|
|
->when($result = SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo'))
|
||
|
|
->then
|
||
|
|
->variable($result)
|
||
|
|
->isNull()
|
||
|
|
->array($tokens)
|
||
|
|
->isEqualTo(['default' => []])
|
||
|
|
->array($rules)
|
||
|
|
->isEqualTo([
|
||
|
|
'ruleA' => ' single space single space',
|
||
|
|
'ruleB' => ' many spaces single tab',
|
||
|
|
'ruleC' => ' many tabs'
|
||
|
|
])
|
||
|
|
->array($pragmas)
|
||
|
|
->isEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function case_parse_skip_comments()
|
||
|
|
{
|
||
|
|
$this
|
||
|
|
->given(
|
||
|
|
$pp =
|
||
|
|
'// Hello,' . "\n" .
|
||
|
|
'// World!'
|
||
|
|
)
|
||
|
|
->when($result = SUT::parsePP($pp, $tokens, $rules, $pragmas, 'streamFoo'))
|
||
|
|
->then
|
||
|
|
->variable($result)
|
||
|
|
->isNull()
|
||
|
|
->array($tokens)
|
||
|
|
->isEqualTo(['default' => []])
|
||
|
|
->array($rules)
|
||
|
|
->isEmpty()
|
||
|
|
->array($pragmas)
|
||
|
|
->isEmpty();
|
||
|
|
}
|
||
|
|
}
|