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Removed hardcoding of functions from checkZeroDivision

This commit is contained in:
Daniel Marjamäki 2015-07-30 13:48:51 +02:00
parent 1752c4f4f0
commit 503fb485cf
1 changed files with 14 additions and 22 deletions
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36
lib/checkother.cpp
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@ -1797,28 +1797,20 @@ void CheckOther::checkZeroDivision()
const bool printInconclusive = _settings->inconclusive;
for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next()) {
if (Token::Match(tok, "div|ldiv|lldiv|imaxdiv ( %num% , %num% )") &&
MathLib::isInt(tok->strAt(4)) &&
MathLib::toLongNumber(tok->strAt(4)) == 0L) {
if (tok->str() == "div") {
if (tok->strAt(-1) == ".")
continue;
if (tok->variable() || tok->function())
continue;
}
zerodivError(tok,false);
} else if (Token::Match(tok, "[/%]") && tok->astOperand2() && !astIsFloat(tok,false)) {
// Value flow..
const ValueFlow::Value *value = tok->astOperand2()->getValue(0LL);
if (value) {
if (!printInconclusive && value->inconclusive)
continue;
if (value->condition == nullptr)
zerodivError(tok, value->inconclusive);
else if (printWarnings)
zerodivcondError(value->condition,tok,value->inconclusive);
}
}
if (!Token::Match(tok, "[/%]") || !tok->astOperand2())
continue;
if (astIsFloat(tok,false))
continue;
// Value flow..
const ValueFlow::Value *value = tok->astOperand2()->getValue(0LL);
if (!value)
continue;
if (!printInconclusive && value->inconclusive)
continue;
if (value->condition == nullptr)
zerodivError(tok, value->inconclusive);
else if (printWarnings)
zerodivcondError(value->condition,tok,value->inconclusive);
}
}