/**
* Parses the contents of the tokenizer and generates a node tree based on
* the found tokens.
*
* @return void
*/
public function parse()
{
$this->compilationUnit = $this->tokenizer->getSourceFile();
$this->compilationUnit->setCache($this->cache)->setId($this->idBuilder->forFile($this->compilationUnit));
$hash = md5_file($this->compilationUnit->getFileName());
if ($this->cache->restore($this->compilationUnit->getId(), $hash)) {
return;
}
$this->cache->remove($this->compilationUnit->getId());
$this->setUpEnvironment();
$this->tokenStack->push();
Log::debug('Processing file ' . $this->compilationUnit);
$tokenType = $this->tokenizer->peek();
while ($tokenType !== Tokenizer::T_EOF) {
switch ($tokenType) {
case Tokens::T_COMMENT:
$this->consumeToken(Tokens::T_COMMENT);
break;
case Tokens::T_DOC_COMMENT:
$comment = $this->consumeToken(Tokens::T_DOC_COMMENT)->image;
$this->packageName = $this->parsePackageAnnotation($comment);
$this->docComment = $comment;
break;
case Tokens::T_USE:
// Parse a use statement. This method has no return value but it
// creates a new entry in the symbol map.
$this->parseUseDeclarations();
break;
case Tokens::T_NAMESPACE:
$this->parseNamespaceDeclaration();
break;
case Tokens::T_NO_PHP:
case Tokens::T_OPEN_TAG:
case Tokens::T_OPEN_TAG_WITH_ECHO:
$this->consumeToken($tokenType);
$this->reset();
break;
case Tokens::T_CLOSE_TAG:
$this->parseNonePhpCode();
$this->reset();
break;
default:
if (null === $this->parseOptionalStatement()) {
// Consume whatever token
$this->consumeToken($tokenType);
}
break;
}
$tokenType = $this->tokenizer->peek();
}
$this->compilationUnit->setTokens($this->tokenStack->pop());
$this->cache->store($this->compilationUnit->getId(), $this->compilationUnit, $hash);
$this->tearDownEnvironment();
}
