source: dev/branches/egtra/ab5.0/abdev/BasicCompiler_Common/include/Messenger.h

#pragma once

class Messenger
{
public:
    void Output( const std::string &message );
    int GetNextErrorLine();
};

class ErrorInfo
{
    int errorCode;
    std::string keyword;
    std::string sourceFilePath;
    int sourceLineNum;
    int errorLineNum;

public:
    ErrorInfo( int errorCode, const std::string &keyword, const std::string &sourceFilePath, int sourceLineNum )
        : errorCode( errorCode )
        , keyword( keyword )
        , sourceFilePath( sourceFilePath )
        , sourceLineNum( sourceLineNum )
    {
    }

    ErrorInfo( int errorCode, const std::string &keyword, int sourceIndex );

    ErrorInfo(ErrorInfo&& y)
        : errorCode(std::move(y.errorCode))
        , keyword(std::move(y.keyword))
        , sourceFilePath(std::move(y.sourceFilePath))
        , sourceLineNum(std::move(y.sourceLineNum))
        , errorLineNum(std::move(y.errorLineNum))
    {
    }

    ErrorInfo(ErrorInfo const& y)
        : errorCode(y.errorCode)
        , keyword(y.keyword)
        , sourceFilePath(y.sourceFilePath)
        , sourceLineNum(y.sourceLineNum)
        , errorLineNum(y.errorLineNum)
    {
    }

    ErrorInfo& operator =(ErrorInfo&& y)
    {
        errorCode = std::move(y.errorCode);
        keyword = std::move(y.keyword);
        sourceFilePath = std::move(y.sourceFilePath);
        sourceLineNum = std::move(y.sourceLineNum);
        errorLineNum = std::move(y.errorLineNum);
        return *this;
    }

    ErrorInfo& operator =(ErrorInfo const& y)
    {
        return *this = std::move(ErrorInfo(y));
    }

    int GetErrorCode() const
    {
        return errorCode;
    }
    bool IsWarning() const
    {
        return ( errorCode < -100 );
    }
    const std::string &GetKeyword() const
    {
        return keyword;
    }
    const std::string &GetSourceFilePath() const
    {
        return sourceFilePath;
    }
    int GetSourceLineNum() const
    {
        return sourceLineNum;
    }
    int GetErrorLineNum() const
    {
        return errorLineNum;
    }

    std::string GetMessageString() const;
    std::string GetFullMessageString() const;
};
typedef std::vector<ErrorInfo> ErrorInfos;

class ErrorMessenger
    : public Messenger
{
    ErrorInfos errorInfos;
    Jenga::Common::Strings synonymKeyWords;

public:
    ErrorMessenger() {}

    void Output( const ErrorInfo &errorInfo );
    void Output( int errorCode, const std::string &keyword, int sourceIndex = -1 );
    void Output( int errorCode, const char *keyword, int sourceIndex = -1 );
    void OutputFatalError();

    void ClearSynonymKeyWords();

    int GetErrorCount() const;
    bool HasError() const;
    int GetWarningCount() const;

    void ShowErrorLine( int errorLineNum );

private:
    ErrorMessenger(ErrorMessenger const&);
    ErrorMessenger& operator =(ErrorMessenger const&);
};