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openmw-tes3coop/components/compiler/discardparser.cpp

95 lines
2.1 KiB
C++

#include "discardparser.hpp"
#include "scanner.hpp"
namespace Compiler
{
DiscardParser::DiscardParser (ErrorHandler& errorHandler, const Context& context)
: Parser (errorHandler, context), mState (StartState)
{
}
bool DiscardParser::parseInt (int value, const TokenLoc& loc, Scanner& scanner)
{
if (mState==StartState || mState==CommaState || mState==MinusState)
{
if (isEmpty())
mTokenLoc = loc;
start();
return false;
}
return Parser::parseInt (value, loc, scanner);
}
bool DiscardParser::parseFloat (float value, const TokenLoc& loc, Scanner& scanner)
{
if (mState==StartState || mState==CommaState || mState==MinusState)
{
if (isEmpty())
mTokenLoc = loc;
start();
return false;
}
return Parser::parseFloat (value, loc, scanner);
}
bool DiscardParser::parseName (const std::string& name, const TokenLoc& loc,
Scanner& scanner)
{
if (mState==StartState || mState==CommaState)
{
if (isEmpty())
mTokenLoc = loc;
start();
return false;
}
return Parser::parseName (name, loc, scanner);
}
bool DiscardParser::parseSpecial (int code, const TokenLoc& loc, Scanner& scanner)
{
if (code==Scanner::S_comma && mState==StartState)
{
if (isEmpty())
mTokenLoc = loc;
start();
mState = CommaState;
return true;
}
if (code==Scanner::S_minus && (mState==StartState || mState==CommaState))
{
if (isEmpty())
mTokenLoc = loc;
start();
mState = MinusState;
return true;
}
return Parser::parseSpecial (code, loc, scanner);
}
void DiscardParser::reset()
{
mState = StartState;
mTokenLoc = TokenLoc();
Parser::reset();
}
const TokenLoc& DiscardParser::getTokenLoc() const
{
return mTokenLoc;
}
}