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98 lines
2.0 KiB
C++
98 lines
2.0 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), mErrors (0), mWarningsMode (1), mDowngradeErrors (false) {}
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ErrorHandler::~ErrorHandler() {}
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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) : 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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