public function parse(TokenPool $aTokenPool, INonlinearIterator $aTokenPoolIter, State $aState) { if (!($aOriToken = $aTokenPoolIter->current())) { return; } // 已经处于 class 状态中 if ($aClass = $aState->currentClass()) { // 遇到 if ($aOriToken === $aClass->bodyToken()->theOther()) { $aState->setCurrentClass(null); } return; } else { if (T_INTERFACE !== $aOriToken->tokenType() && T_CLASS !== $aOriToken->tokenType()) { return; } $aTokenPoolIter = clone $aTokenPoolIter; $aNewToken = new ClassDefine($aOriToken); // class name do { $aTokenPoolIter->next(); } while ($aToken = $aTokenPoolIter->current() and $aToken->tokenType() != T_STRING); $aNewToken->setNameToken($aToken); $aNewToken->setBelongsNamespace($aState->currentNamespace()); // doc comment and abstract for ($aTokenPoolIter->prev(); $aToken = $aTokenPoolIter->current(); $aTokenPoolIter->prev()) { switch ($aToken->tokenType()) { case T_ABSTRACT: $aNewToken->setAbstract(true); break; case T_DOC_COMMENT: $aDocToken = new DocCommentDeclare($aToken); $aNewToken->setDocToken($aDocToken); $aTokenPool->replace($aToken, $aDocToken); break; case T_WHITESPACE: case T_CLASS: break; default: break 2; } } // init extends implements body $sState = 'init'; // parent/body $aClassBodyToken = $aParentNameToken = null; for ($aTokenPoolIter->next(); $aToken = $aTokenPoolIter->current(); $aTokenPoolIter->next()) { // 控制触发 addParentClassName 操作 $sAddParentClassName = false; // 分析 tokenType switch ($aToken->tokenType()) { case Token::T_BRACE_OPEN: $aClassBodyToken = $aToken; $sAddParentClassName = $sState; $sState = 'body'; break 2; case T_EXTENDS: $sAddParentClassName = $sState; $sState = 'extends'; break; case T_IMPLEMENTS: $sAddParentClassName = $sState; $sState = 'implements'; break; case T_STRING: case T_NS_SEPARATOR: switch ($sState) { case 'extends': case 'implements': if (!$aParentNameToken) { $aParentNameToken = new NamespaceString(0, ''); $aParentNameToken->setBelongsNamespace($aState->currentNamespace()); } $aParentNameToken->addNameToken($aToken); break; } break; case Token::T_COLON: case T_WHITESPACE: $sAddParentClassName = $sState; break; } // addParentClassName if ($sAddParentClassName && $aParentNameToken) { switch ($sAddParentClassName) { case 'init': break; case 'extends': $aNewToken->addParentClassName($aParentNameToken->findRealName($aTokenPool)); $aParentNameToken = null; break; case 'implements': $aNewToken->addImplementsInterfaceName($aParentNameToken->findRealName($aTokenPool)); $aParentNameToken = null; break; case 'body': break; } } } if (!$aClassBodyToken) { throw new ClassCompileException(null, $aOriToken, "编译class: %s时遇到了错误,class没有body", $aNewToken->name()); } $aNewToken->setBodyToken($aClassBodyToken); // 完成 $aTokenPool->replace($aOriToken, $aNewToken); $aState->setCurrentClass($aNewToken); $aTokenPool->addClass($aNewToken); } }
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); } }