C++ Ptr_t::FindChild方法代码示例

wxString PHPExpression::DoSimplifyExpression(int depth, PHPSourceFile::Ptr_t sourceFile)
{
    if(depth > 5 || sourceFile == NULL) {
        // avoid infinite recursion, by limiting the nest level to 5
        return "";
    }

    // Use the provided sourceFile if 'm_sourceFile' is NULL
    if(!m_sourceFile) {
        m_sourceFile = sourceFile;
    }

    // Parse the input source file
    PHPEntityBase::Ptr_t scope = sourceFile->CurrentScope();
    const PHPEntityBase* innerClass = sourceFile->Class();

    // Check the first token

    // Phase 1:
    // Loop over the expression and resolve as much as we can here for the first token
    // (mainly, replace $this, self, static, $variable)

    phpLexerToken token;
    wxString newExpr;
    wxString firstToken;
    int firstTokenType = wxNOT_FOUND;
    for(size_t i = 0; i < m_expression.size(); ++i) {
        token = m_expression.at(i);
        if(i == 0) {
            // Perform basic replacements that we can conduct here without the need of the global
            // lookup table
            if(token.type == kPHP_T_PARENT) {
                if(!innerClass) return "";
                firstToken = innerClass->GetFullName();
                firstTokenType = kPHP_T_PARENT;

            } else if(token.type == kPHP_T_THIS) {
                // the first token is $this
                // replace it with the current class absolute path
                if(!innerClass) return "";
                firstToken = innerClass->GetFullName(); // Is always in absolute path

            } else if(token.type == kPHP_T_SELF) {
                // Same as $this: replace it with the current class absolute path
                if(!innerClass) return "";
                firstToken = innerClass->GetFullName(); // Is always in absolute path
                firstTokenType = kPHP_T_SELF;

            } else if(token.type == kPHP_T_STATIC) {
                // Same as $this: replace it with the current class absolute path
                if(!innerClass) return "";
                firstToken = innerClass->GetFullName(); // Is always in absolute path
                firstTokenType = kPHP_T_STATIC;

            } else if(token.type == kPHP_T_VARIABLE) {
                // the expression being evaluated starts with a variable (e.g. $a->something()->)
                // in this case, use the current scope ('scope') and replace it with the real type
                // Note that the type can be another expression
                // e.g.:
                // $a = $this->getQuery();
                // $b = $a->fetchAll()->
                // so if the expression being evaluated is "$a->fetchAll()->"
                // we first replace $a with '$this->getQuery()' so it becomes:
                // $this->getQuery()->fetchAll()->
                // However, $this also need a replacement so eventually, it becomes like this:
                // \MyClass->getQuery->fetchAll-> and this is something that we can evaluate easily using
                // our lookup tables (note that the parenthessis are missing on purpose)
                PHPEntityBase::Ptr_t local = scope->FindChild(token.text);
                if(local && local->Cast<PHPEntityVariable>()) {
                    if(!local->Cast<PHPEntityVariable>()->GetTypeHint().IsEmpty()) {
                        // we have type hint! - use it
                        firstToken = local->Cast<PHPEntityVariable>()->GetTypeHint();

                    } else if(!local->Cast<PHPEntityVariable>()->GetExpressionHint().IsEmpty()) {
                        // we have an expression hint - use it
                        // append the "->" to the expression to make sure that the parser will understand it
                        // as an expression
                        PHPExpression e(m_text, local->Cast<PHPEntityVariable>()->GetExpressionHint() + "->");
                        firstToken = e.DoSimplifyExpression(depth + 1, m_sourceFile);
                        if(firstToken.EndsWith("->")) {
                            // remove the last 2 characters
                            firstToken.RemoveLast(2);
                        }
                    }
                } else {
                    // this local variable does not exist in the current scope
                    // This is probably a word-completion for local variable
                    m_filter = token.text;
                    return "";
                }

            } else if(token.type == kPHP_T_IDENTIFIER) {
                // an identifier, convert it to the fullpath
                firstToken = sourceFile->MakeIdentifierAbsolute(token.text);
            }
        }

        if(!firstToken.IsEmpty()) {
            newExpr = firstToken;
            firstToken.Clear();
//.........这里部分代码省略.........

void PHPDocVisitor::OnEntity(PHPEntityBase::Ptr_t entity)
{
    // Locate a comment for this entity
    entity->SetFilename(m_sourceFile.GetFilename());

    if(!entity->GetDocComment().IsEmpty()) {
        // PHPDoc was already assigned to this entity during the parsing phase
        if(entity->Is(kEntityTypeClass)) {
            // Process @property tags here
            PHPDocComment docComment(m_sourceFile, entity->GetDocComment());
            if(!docComment.GetProperties().empty()) {
                // Got some @properties
                std::for_each(docComment.GetProperties().begin(), docComment.GetProperties().end(),
                    [&](PHPDocComment::Property::Map_t::value_type& p) {
                        PHPEntityBase::Ptr_t child = entity->FindChild(p.second.name);
                        if(!child) {
                            // No child of this type, create a new property and add it
                            child.Reset(new PHPEntityVariable());
                            child->SetFilename(m_sourceFile.GetFilename());
                            child->SetLine(entity->GetLine());
                            child->Cast<PHPEntityVariable>()->SetTypeHint(p.second.type);
                            child->Cast<PHPEntityVariable>()->SetFlag(kVar_Member); // Member variable
                            child->Cast<PHPEntityVariable>()->SetFlag(kVar_Public); // Public access
                            child->SetShortName(p.second.name);
                            child->SetFullName(p.second.name);
                            entity->AddChild(child);
                        }
                    });
            } else if(!docComment.GetMethods().empty()) {
                std::for_each(docComment.GetMethods().begin(), docComment.GetMethods().end(),
                    [&](PHPEntityBase::Ptr_t method) { entity->AddChild(method); });
            }
        }
    } else {
        // search for the comment placed at the top of the variable
        // this is why we use here -1
        int lineNum = (entity->GetLine() - 1);

        // for debugging purposes
        wxString entityName = entity->GetShortName();
        wxUnusedVar(entityName);

        std::map<int, phpLexerToken>::iterator iter = m_comments.find(lineNum);
        if(iter == m_comments.end()) {
            // try to locate a comment on the same line
            ++lineNum;
            iter = m_comments.find(lineNum);
        }

        if(iter != m_comments.end()) {

            // we got a match
            entity->SetDocComment(iter->second.Text());
            m_comments.erase(iter);

            PHPDocComment docComment(m_sourceFile, entity->GetDocComment());
            if(entity->Is(kEntityTypeFunction) && !docComment.GetReturn().IsEmpty()) {
                entity->Cast<PHPEntityFunction>()->SetReturnValue(docComment.GetReturn());
            } else if(entity->Is(kEntityTypeVariable) && !entity->Cast<PHPEntityVariable>()->IsFunctionArg()) {
                // A global variable, const or a member
                entity->Cast<PHPEntityVariable>()->SetTypeHint(docComment.GetVar());
            }

        } else if(entity->Is(kEntityTypeVariable) && entity->Parent() && entity->Parent()->Is(kEntityTypeFunction) &&
            entity->Cast<PHPEntityVariable>()->IsFunctionArg()) {
            // A function argument
            PHPDocComment docComment(m_sourceFile, entity->Parent()->GetDocComment());
            wxString typeHint = docComment.GetParam(entity->GetFullName());
            if(!typeHint.IsEmpty()) {
                entity->Cast<PHPEntityVariable>()->SetTypeHint(typeHint);
            }
        }
    }
}