public function compile($expression, CompilationContext $compilationContext)
{
if (!isset($expression['left'])) {
throw new CompilerException("Missing left part of the expression", $expression);
}
if (!isset($expression['right'])) {
throw new CompilerException("Missing right part of the expression", $expression);
}
$leftExpr = new Expression($expression['left']);
$leftExpr->setReadOnly($this->_readOnly);
$left = $leftExpr->compile($compilationContext);
$rightExpr = new Expression($expression['right']);
$rightExpr->setReadOnly($this->_readOnly);
$right = $rightExpr->compile($compilationContext);
switch ($left->getType()) {
case 'int':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('int', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'double':
return new CompiledExpression('double', '((double) ' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'bool':
return new CompiledExpression('int', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getBooleanCode() . ')', $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'double':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . '))', $expression);
default:
throw new CompilerException("Cannot compare variable('int') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare 'int' with '" . $right->getType() . "'", $expression);
}
break;
case 'bool':
switch ($right->getType()) {
case 'int':
case 'double':
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_bitOperator . ' ((' . $right->getCode() . ') ? 1 : 0))', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_bitOperator . ' ' . $right->getBooleanCode() . ')', $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'double':
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'variable':
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
$compilationContext->headersManager->add('kernel/operators');
return new CompiledExpression('bool', '(' . $left->getBooleanCode() . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . '))', $expression);
default:
throw new CompilerException("Cannot add variable('int') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare 'bool' with '" . $right->getType() . "'", $expression);
}
break;
case 'double':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'double':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $left->getCode() . ' ' . $this->_operator . ' ' . $right->getBooleanCode() . ')', $expression);
default:
throw new CompilerException("Cannot compare 'double' with '" . $right->getType() . "'", $expression);
}
break;
case 'string':
switch ($right->getType()) {
default:
throw new CompilerException("Operation is not supported between strings", $expression);
}
break;
case 'variable':
$variableLeft = $compilationContext->symbolTable->getVariableForRead($left->resolve(null, $compilationContext), $compilationContext, $expression);
switch ($variableLeft->getType()) {
case 'int':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression['right']);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'double':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
return new CompiledExpression('int', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . '))', $expression);
default:
throw new CompilerException("Cannot compare variable('int') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare variable('int') with '" . $right->getType() . "'", $expression);
}
break;
case 'bool':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $right->getCode() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_bitOperator . ' ' . $right->getBooleanCode() . ')', $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression['right']);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' ' . $variableRight->getName() . ')', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_bitOperator . ' ' . $variableRight->getName() . ')', $expression);
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . '))', $expression);
default:
throw new CompilerException("Cannot compare variable('int') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare variable('int') with '" . $right->getType() . "'", $expression);
}
break;
case 'double':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_operator . ' ' . $right->getCode(), $expression);
case 'double':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_operator . ' ' . $right->getCode(), $expression);
case 'bool':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_bitOperator . '' . $right->getBooleanCode(), $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression['right']);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_operator . ' (double) ' . $variableRight->getName(), $expression);
case 'double':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_operator . ' ' . $variableRight->getName(), $expression);
case 'bool':
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_bitOperator . '' . $variableRight->getName(), $expression);
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
return new CompiledExpression('bool', $variableLeft->getName() . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . ')', $expression);
default:
throw new CompilerException("Cannot compare variable('double') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare variable('int') with '" . $right->getType() . "'", $expression);
}
break;
case 'string':
switch ($right->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_operator . ' ' . $right->getCode(), $expression);
case 'double':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_operator . ' ' . $right->getCode(), $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_bitOperator . '' . $right->getBooleanCode(), $expression);
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->getCode(), $compilationContext, $expression['right']);
switch ($variableRight->getType()) {
case 'int':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_operator . ' ' . $variableRight->getName(), $expression);
case 'double':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_operator . ' ' . $variableRight->getName(), $expression);
case 'string':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_operator . ' (' . $variableRight->getName() . ' && Z_STRLEN_P(' . $variableRight->getName() . '))', $expression);
case 'bool':
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . $this->_bitOperator . ' ' . $variableRight->getName(), $expression);
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$variableCode = $compilationContext->backend->getVariableCode($variableRight);
return new CompiledExpression('bool', '(' . $variableLeft->getName() . ' && Z_STRLEN_P(' . $variableLeft->getName() . ')) ' . ' ' . $this->_operator . ' zephir_is_true(' . $variableCode . ')', $expression);
default:
throw new CompilerException("Cannot compare variable('double') with variable('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare variable('int') with '" . $right->getType() . "'", $expression);
}
break;
case 'variable':
$variableLeftCode = $compilationContext->backend->getVariableCode($variableLeft);
switch ($right->getType()) {
/* a && 1 */
case 'int':
case 'double':
$compilationContext->headersManager->add('kernel/operators');
$op = $this->_operator;
$op1 = $variableLeftCode;
$op2 = $right->getCode();
$compilationContext->headersManager->add('kernel/operators');
return new CompiledExpression('bool', 'zephir_is_true(' . $op1 . ') ' . $op . ' ' . $op2, $expression);
/* a && 1 */
/* a && 1 */
case 'bool':
$compilationContext->headersManager->add('kernel/operators');
$op = $this->_operator;
$op1 = $variableLeftCode;
$op2 = $right->getCode();
$compilationContext->headersManager->add('kernel/operators');
return new CompiledExpression('bool', 'zephir_is_true(' . $op1 . ') ' . $op . ' ' . $op2, $expression);
/* a(var) && a(x) */
/* a(var) && a(x) */
case 'variable':
$variableRight = $compilationContext->symbolTable->getVariableForRead($right->resolve(null, $compilationContext), $compilationContext, $expression);
$variableRightCode = $compilationContext->backend->getVariableCode($variableRight);
switch ($variableRight->getType()) {
/* a(var) && a(int) */
case 'int':
$compilationContext->headersManager->add('kernel/operators');
return new CompiledExpression('bool', 'zephir_is_true(' . $variableLeftCode . ') ' . $this->_operator . ' ' . $variableRightCode, $expression);
/* a(var) && a(bool) */
/* a(var) && a(bool) */
case 'bool':
$compilationContext->headersManager->add('kernel/operators');
return new CompiledExpression('bool', 'zephir_is_true(' . $variableLeftCode . ') ' . $this->_operator . ' ' . $variableRightCode, $expression);
/* a(var) && a(var) */
/* a(var) && a(var) */
case 'variable':
$compilationContext->headersManager->add('kernel/operators');
$op1 = $variableLeftCode;
$op2 = $variableRightCode;
$expected = $this->getExpected($compilationContext, $expression);
if ($expected->isLocalOnly()) {
$compilationContext->codePrinter->output('add_function(&' . $expected->getName() . ', ' . $op1 . ', ' . $op2 . ' TSRMLS_CC);');
} else {
$compilationContext->codePrinter->output('add_function(' . $expected->getName() . ', ' . $op1 . ', ' . $op2 . ' TSRMLS_CC);');
}
return new CompiledExpression('variable', $expected->getName(), $expression);
default:
throw new CompilerException("Cannot compare 'variable' with variable ('" . $variableRight->getType() . "')", $expression);
}
break;
default:
throw new CompilerException("Cannot compare 'variable' with '" . $right->getType() . "'", $expression);
}
break;
default:
throw new CompilerException("Unknown '" . $variableLeft->getType() . "'", $expression);
}
break;
default:
throw new CompilerException("Unsupported type: " . $left->getType(), $expression);
}
}
