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			102 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "errorhandler.hpp"
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namespace Compiler
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{
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    ErrorHandler::ErrorHandler()
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        : mWarnings(0)
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        , mErrors(0)
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        , mWarningsMode(1)
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        , mDowngradeErrors(false)
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    {
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    }
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    ErrorHandler::~ErrorHandler() = default;
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    // Was compiling successful?
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    bool ErrorHandler::isGood() const
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    {
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        return mErrors == 0;
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    }
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    // Return number of errors
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    int ErrorHandler::countErrors() const
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    {
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        return mErrors;
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    }
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    // Return number of warnings
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    int ErrorHandler::countWarnings() const
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    {
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        return mWarnings;
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    }
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    // Generate a warning message.
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    void ErrorHandler::warning(const std::string& message, const TokenLoc& loc)
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    {
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        if (mWarningsMode == 1 ||
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            // temporarily change from mode 2 to mode 1 if error downgrading is enabled to
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            // avoid infinite recursion
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            (mWarningsMode == 2 && mDowngradeErrors))
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        {
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            ++mWarnings;
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            report(message, loc, WarningMessage);
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        }
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        else if (mWarningsMode == 2)
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            error(message, loc);
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    }
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    // Generate an error message.
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    void ErrorHandler::error(const std::string& message, const TokenLoc& loc)
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    {
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        if (mDowngradeErrors)
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        {
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            warning(message, loc);
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            return;
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        }
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        ++mErrors;
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        report(message, loc, ErrorMessage);
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    }
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    // Generate an error message for an unexpected EOF.
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    void ErrorHandler::endOfFile()
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    {
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        ++mErrors;
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        report("unexpected end of file", ErrorMessage);
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    }
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    // Remove all previous error/warning events
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    void ErrorHandler::reset()
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    {
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        mErrors = mWarnings = 0;
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    }
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    void ErrorHandler::setWarningsMode(int mode)
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    {
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        mWarningsMode = mode;
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    }
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    void ErrorHandler::downgradeErrors(bool downgrade)
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    {
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        mDowngradeErrors = downgrade;
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    }
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    ErrorDowngrade::ErrorDowngrade(ErrorHandler& handler)
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        : mHandler(handler)
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    {
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        mHandler.downgradeErrors(true);
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    }
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    ErrorDowngrade::~ErrorDowngrade()
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    {
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        mHandler.downgradeErrors(false);
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    }
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}
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