public function parse(TokenPool $aTokenPool, INonlinearIterator $aTokenPoolIter, State $aState)
{
if (!($aOriToken = $aTokenPoolIter->current())) {
return;
}
// 已经处于 function 状态中
if ($aFunction = $aState->currentFunction()) {
// 遇到
if ($aFunction->bodyToken() and $aFunction->bodyToken()->theOther() === $aOriToken) {
$aState->setCurrentFunction(null);
}
return;
} else {
if ($aOriToken->tokenType() != T_FUNCTION) {
return;
}
$aTokenPoolIter = clone $aTokenPoolIter;
$aNewToken = new FunctionDefine($aOriToken);
// function 修饰符 ------
for ($aTokenPoolIter->prev(); $aToken = $aTokenPoolIter->current(); $aTokenPoolIter->prev()) {
switch ($aToken->tokenType()) {
case T_PUBLIC:
$aNewToken->setAccessToken($aToken);
break;
case T_PROTECTED:
$aNewToken->setAccessToken($aToken);
break;
case T_PRIVATE:
$aNewToken->setAccessToken($aToken);
break;
case T_STATIC:
$aNewToken->setStaticToken($aToken);
break;
case T_ABSTRACT:
$aNewToken->setAbstractToken($aToken);
break;
case T_DOC_COMMENT:
$aDocToken = new DocCommentDeclare($aToken);
$aNewToken->setDocToken($aDocToken);
$aTokenPool->replace($aToken, $aDocToken);
break 2;
case T_WHITESPACE:
break;
default:
break 2;
}
}
// function name ------
for ($aTokenPoolIter->next(); $aToken = $aTokenPoolIter->current(); $aTokenPoolIter->next()) {
switch ($aToken->tokenType()) {
// 函数名称
case T_STRING:
$aNewToken->setNameToken($aToken);
break 2;
// 匿名函数
// 匿名函数
case Token::T_BRACE_ROUND_OPEN:
$aTokenPoolIter->prev();
break 2;
case Token::T_BIT_AND:
$aNewToken->setReturnByRef(true);
break;
}
}
// function argv list ------
do {
$aTokenPoolIter->next();
} while ($aToken = $aTokenPoolIter->current() and $aToken->tokenType() != Token::T_BRACE_ROUND_OPEN);
$aNewToken->setArgListToken($aToken);
// 移动到参数表结束符号后
$nPosition = $aTokenPoolIter->search($aToken->theOther());
$aTokenPoolIter->seek($nPosition);
// function body ------
do {
$aTokenPoolIter->next();
} while ($aToken = $aTokenPoolIter->current() and !in_array($aToken->tokenType(), array(Token::T_BRACE_OPEN, Token::T_SEMICOLON)));
if ($aToken) {
if ($aToken->tokenType() == Token::T_BRACE_OPEN) {
$aNewToken->setBodyToken($aToken);
$aState->setCurrentFunction($aNewToken);
} else {
if ($aToken->tokenType() == Token::T_SEMICOLON) {
$aNewToken->setEndToken($aToken);
}
}
}
$aTokenPool->replace($aOriToken, $aNewToken);
$aNewToken->setBelongsNamespace($aState->currentNamespace());
$aNewToken->setBelongsClass($aState->currentClass());
$aTokenPool->addFunction($aNewToken);
}
}
