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<?php |
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/** |
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* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace PHPSA\ControlFlow\Printer; |
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use PHPSA\ControlFlow\Block; |
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use PHPSA\ControlFlow\Node\JumpIf; |
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class DebugText |
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{ |
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protected $blocks = []; |
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protected function visitBlock(Block $parent) |
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{ |
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$this->blocks[$parent->getId()] = $parent; |
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$childrens = $parent->getChildrens(); |
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if ($childrens) { |
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foreach ($childrens as $children) { |
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if ($children instanceof JumpIf) { |
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$blocks = $children->getSubBlocks(); |
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foreach ($blocks as $name => $block) { |
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if ($block) { |
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$this->blocks[$block->getId()] = $block; |
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$blockExit = $block->getExit(); |
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if ($blockExit) { |
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$this->visitBlock($blockExit); |
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} |
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} |
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} |
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} |
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} |
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} |
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$exit = $parent->getExit(); |
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if ($exit) { |
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$this->visitBlock($exit); |
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} |
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} |
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public function printGraph(Block $parent) |
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{ |
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$this->visitBlock($parent); |
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ksort($this->blocks); |
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foreach ($this->blocks as $id => $block) { |
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echo 'Block #' . $id . PHP_EOL; |
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$childrens = $block->getChildrens(); |
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if ($childrens) { |
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foreach ($childrens as $children) { |
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echo ' ' . get_class($children) . ($children->willExit() ? ' WILL EXIT!! ' : '') . PHP_EOL; |
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if ($children instanceof JumpIf) { |
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$blocks = $children->getSubBlocks(); |
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foreach ($blocks as $name => $subBlock) { |
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if ($subBlock) { |
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echo "\t" . $name . ' -> ' . $subBlock->getId() . PHP_EOL; |
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} |
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} |
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} |
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} |
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} |
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$exit = $block->getExit(); |
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if ($exit) { |
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echo ' -> ' . $exit->getId() . PHP_EOL; |
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} |
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echo PHP_EOL . PHP_EOL; |
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} |
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} |
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} |
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ovr /
phpsa
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.