72 lines
2 KiB
PHP
72 lines
2 KiB
PHP
<?php
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namespace Zephir\Optimizers\FunctionCall;
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use Zephir\Call;
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use Zephir\CompilationContext;
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use Zephir\CompiledExpression;
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use Zephir\HeadersManager;
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use Zephir\Exception\CompilerException;
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use Zephir\Optimizers\OptimizerAbstract;
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class TensorNotEqualOptimizer extends OptimizerAbstract
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{
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/**
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* @param mixed[] $expression
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* @param \Zephir\Call $call
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* @param \Zephir\CompilationContext $context
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* @throws \Zephir\Exception\CompilerException
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* @return \Zephir\CompiledExpression|bool
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*/
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public function optimize(array $expression, Call $call, CompilationContext $context)
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{
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if (!isset($expression['parameters'])) {
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return false;
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}
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if (count($expression['parameters']) !== 2) {
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throw new CompilerException(
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'Tensor not equal accepts exactly two arguments, ' . count($expression['parameters']) . 'given.',
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$expression
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);
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}
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$call->processExpectedReturn($context);
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$symbolVariable = $call->getSymbolVariable();
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if ($symbolVariable->getType() !== 'variable') {
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throw new CompilerException(
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'Return value must only be assigned to a dynamic variable.',
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$expression
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);
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}
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if ($call->mustInitSymbolVariable()) {
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$symbolVariable->initVariant($context);
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}
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$context->headersManager->add(
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'include/comparison',
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HeadersManager::POSITION_LAST
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);
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$resolvedParams = $call->getResolvedParams(
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$expression['parameters'],
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$context,
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$expression
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);
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$symbol = $context->backend->getVariableCode($symbolVariable);
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$context->codePrinter->output(
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"tensor_not_equal($symbol, {$resolvedParams[0]}, {$resolvedParams[1]});"
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);
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return new CompiledExpression(
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'variable',
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$symbolVariable->getRealName(),
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$expression
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);
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}
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}
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