89 lines
3.7 KiB
PHP
89 lines
3.7 KiB
PHP
<?php
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namespace LanguageServer\ProtocolBridge;
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use LanguageServer\Protocol\Location;
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use LanguageServer\Protocol\SymbolInformation;
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use LanguageServer\Protocol\SymbolKind;
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class SymbolInformationFactory
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{
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/**
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* Converts a Node to a SymbolInformation
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*
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* @param Node $node
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* @param string $fqn If given, $containerName will be extracted from it
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* @return SymbolInformation|null
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*/
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public function fromNode($node, string $fqn = null)
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{
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$symbol = new SymbolInformation();
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if ($node instanceof Node\Statement\ClassDeclaration) {
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$symbol->kind = SymbolKind::CLASS_;
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} else if ($node instanceof Node\Statement\TraitDeclaration) {
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$symbol->kind = SymbolKind::CLASS_;
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} else if (\LanguageServer\ParserHelpers\isConstDefineExpression($node)) {
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// constants with define() like
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// define('TEST_DEFINE_CONSTANT', false);
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$symbol->kind = SymbolKind::CONSTANT;
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$symbol->name = $node->argumentExpressionList->children[0]->expression->getStringContentsText();
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} else if ($node instanceof Node\Statement\InterfaceDeclaration) {
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$symbol->kind = SymbolKind::INTERFACE;
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} else if ($node instanceof Node\Statement\NamespaceDefinition) {
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$symbol->kind = SymbolKind::NAMESPACE;
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} else if ($node instanceof Node\Statement\FunctionDeclaration) {
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$symbol->kind = SymbolKind::FUNCTION;
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} else if ($node instanceof Node\MethodDeclaration) {
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$nameText = $node->getName();
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if ($nameText === '__construct' || $nameText === '__destruct') {
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$symbol->kind = SymbolKind::CONSTRUCTOR;
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} else {
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$symbol->kind = SymbolKind::METHOD;
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}
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} else if ($node instanceof Node\Expression\Variable && $node->getFirstAncestor(Node\PropertyDeclaration::class) !== null) {
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$symbol->kind = SymbolKind::PROPERTY;
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} else if ($node instanceof Node\ConstElement) {
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$symbol->kind = SymbolKind::CONSTANT;
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} else if (
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(
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($node instanceof Node\Expression\AssignmentExpression)
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&& $node->leftOperand instanceof Node\Expression\Variable
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)
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|| $node instanceof Node\UseVariableName
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|| $node instanceof Node\Parameter
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) {
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$symbol->kind = SymbolKind::VARIABLE;
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} else {
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return null;
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}
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if ($node instanceof Node\Expression\AssignmentExpression) {
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if ($node->leftOperand instanceof Node\Expression\Variable) {
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$symbol->name = $node->leftOperand->getName();
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} elseif ($node->leftOperand instanceof PhpParser\Token) {
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$symbol->name = trim($node->leftOperand->getText($node->getFileContents()), "$");
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}
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} else if ($node instanceof Node\UseVariableName) {
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$symbol->name = $node->getName();
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} else if (isset($node->name)) {
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if ($node->name instanceof Node\QualifiedName) {
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$symbol->name = (string)PhpParser\ResolvedName::buildName($node->name->nameParts, $node->getFileContents());
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} else {
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$symbol->name = ltrim((string)$node->name->getText($node->getFileContents()), "$");
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}
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} else if (isset($node->variableName)) {
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$symbol->name = $node->variableName->getText($node);
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} else if (!isset($symbol->name)) {
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return null;
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}
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$symbol->location = LocationFactory::fromNode($node);
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if ($fqn !== null) {
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$parts = preg_split('/(::|->|\\\\)/', $fqn);
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array_pop($parts);
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$symbol->containerName = implode('\\', $parts);
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}
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return $symbol;
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}
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}
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