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Refactor findVariableDefinitionsInNode to simplify and avoid closure use

pull/357/head
Rob Lourens 2017-06-02 17:09:01 -07:00
parent 260969b3be
commit f144ca7c26
1 changed files with 14 additions and 15 deletions
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29
src/CompletionProvider.php
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@ -400,25 +400,17 @@ class CompletionProvider
$vars = [];
// If the child node is a variable assignment, save it
$isAssignmentToVariable = function ($node) use ($namePrefix) {
return $node instanceof Node\Expression\AssignmentExpression
&& $node->leftOperand instanceof Node\Expression\Variable
&& (empty($namePrefix) || strpos($node->leftOperand->getName(), $namePrefix) !== false);
};
$isNotFunctionLike = function ($node) {
return !(
ParserHelpers::isFunctionLike($node) ||
$node instanceof Node\Statement\ClassDeclaration ||
$node instanceof Node\Statement\InterfaceDeclaration ||
$node instanceof Node\Statement\TraitDeclaration
);
$isAssignmentToVariable = function ($node) {
return $node instanceof Node\Expression\AssignmentExpression;
};
if ($isAssignmentToVariable($node)) {
if ($this->isAssignmentToVariableWithPrefix($node, $namePrefix)) {
$vars[] = $node->leftOperand;
} else {
foreach ($node->getDescendantNodes($isNotFunctionLike) as $descendantNode) {
if ($isAssignmentToVariable($descendantNode)) {
// Get all descendent variables, then filter to ones that start with $namePrefix.
// Avoiding closure usage in tight loop
foreach ($node->getDescendantNodes($isAssignmentToVariable) as $descendantNode) {
if ($this->isAssignmentToVariableWithPrefix($descendantNode, $namePrefix)) {
$vars[] = $descendantNode->leftOperand;
}
}
@ -426,4 +418,11 @@ class CompletionProvider
return $vars;
}
private function isAssignmentToVariableWithPrefix($node, $namePrefix)
{
return $node instanceof Node\Expression\AssignmentExpression
&& $node->leftOperand instanceof Node\Expression\Variable
&& (empty($namePrefix) || strpos($node->leftOperand->getName(), $namePrefix) !== false);
}
}