/**
* Parses an optional statement or returns <b>null</b>.
*
* @return \PDepend\Source\AST\ASTNode
* @since 0.9.8
*/
private function parseOptionalStatement()
{
$tokenType = $this->tokenizer->peek();
switch ($tokenType) {
case Tokens::T_ECHO:
return $this->parseEchoStatement();
case Tokens::T_SWITCH:
return $this->parseSwitchStatement();
case Tokens::T_TRY:
return $this->parseTryStatement();
case Tokens::T_THROW:
return $this->parseThrowStatement();
case Tokens::T_IF:
return $this->parseIfStatement();
case Tokens::T_FOR:
return $this->parseForStatement();
case Tokens::T_FOREACH:
return $this->parseForeachStatement();
case Tokens::T_DO:
return $this->parseDoWhileStatement();
case Tokens::T_WHILE:
return $this->parseWhileStatement();
case Tokens::T_RETURN:
return $this->parseReturnStatement();
case Tokens::T_BREAK:
return $this->parseBreakStatement();
case Tokens::T_CONTINUE:
return $this->parseContinueStatement();
case Tokens::T_GOTO:
return $this->parseGotoStatement();
case Tokens::T_GLOBAL:
return $this->parseGlobalStatement();
case Tokens::T_UNSET:
return $this->parseUnsetStatement();
case Tokens::T_STRING:
if ($this->tokenizer->peekNext() === Tokens::T_COLON) {
return $this->parseLabelStatement();
}
break;
case Tokens::T_CONST:
return $this->parseConstantDefinition();
case Tokens::T_FUNCTION:
return $this->parseFunctionOrClosureDeclaration();
case Tokens::T_COMMENT:
return $this->parseCommentWithOptionalInlineClassOrInterfaceReference();
case Tokens::T_DOC_COMMENT:
return $this->builder->buildAstComment($this->consumeToken(Tokens::T_DOC_COMMENT)->image);
case Tokens::T_CURLY_BRACE_OPEN:
return $this->parseRegularScope();
case Tokens::T_DECLARE:
return $this->parseDeclareStatement();
case Tokens::T_ELSE:
case Tokens::T_ENDIF:
case Tokens::T_ELSEIF:
case Tokens::T_ENDFOR:
case Tokens::T_ENDWHILE:
case Tokens::T_ENDSWITCH:
case Tokens::T_ENDDECLARE:
case Tokens::T_ENDFOREACH:
case Tokens::T_CURLY_BRACE_CLOSE:
return null;
case Tokens::T_DECLARE:
return $this->parseDeclareStatement();
case Tokens::T_CLOSE_TAG:
if (($tokenType = $this->parseNonePhpCode()) === Tokenizer::T_EOF) {
return null;
}
return $this->parseOptionalStatement();
case Tokens::T_TRAIT:
$package = $this->getNamespaceOrPackage();
$package->addType($trait = $this->parseTraitDeclaration());
$this->builder->restoreTrait($trait);
$this->compilationUnit->addChild($trait);
return $trait;
case Tokens::T_INTERFACE:
$package = $this->getNamespaceOrPackage();
$package->addType($interface = $this->parseInterfaceDeclaration());
$this->builder->restoreInterface($interface);
$this->compilationUnit->addChild($interface);
return $interface;
case Tokens::T_CLASS:
case Tokens::T_FINAL:
case Tokens::T_ABSTRACT:
$package = $this->getNamespaceOrPackage();
$package->addType($class = $this->parseClassDeclaration());
$this->builder->restoreClass($class);
$this->compilationUnit->addChild($class);
return $class;
case Tokens::T_YIELD:
return $this->parseYield();
}
$this->tokenStack->push();
$stmt = $this->builder->buildAstStatement();
if (($expr = $this->parseOptionalExpression()) != null) {
$stmt->addChild($expr);
}
$this->parseStatementTermination();
return $this->setNodePositionsAndReturn($stmt);
}
/**
* testMagicWakeupMethodInvokesSetSourceFileOnChildNodes
*
* @return void
*/
public function testMagicWakeupMethodInvokesSetSourceFileOnChildNodes()
{
$node = $this->getMock('PDepend\\Source\\AST\\ASTClass', array('setCompilationUnit'), array(__CLASS__));
$node->expects($this->once())->method('setCompilationUnit')->with(self::isInstanceOf('PDepend\\Source\\AST\\ASTCompilationUnit'));
$compilationUnit = new ASTCompilationUnit(__FILE__);
$compilationUnit->addChild($node);
$compilationUnit->__wakeup();
}