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Merge pull request #936 from chriseth/fixFormalExp

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Fix crash when using json compiler with exponentiation.
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chriseth 2016-08-23 17:03:46 +02:00 committed by GitHub
commit 9a2d1a737f
1 changed files with 7 additions and 2 deletions
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5
libsolidity/formal/Why3Translator.cpp
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@ -466,6 +466,7 @@ bool Why3Translator::visit(BinaryOperation const& _binaryOperation)
auto const& constantNumber = dynamic_cast<RationalNumberType const&>(commonType); auto const& constantNumber = dynamic_cast<RationalNumberType const&>(commonType);
if (constantNumber.isFractional()) if (constantNumber.isFractional())
error(_binaryOperation, "Fractional numbers not supported."); error(_binaryOperation, "Fractional numbers not supported.");
else
add("(of_int " + toString(commonType.literalValue(nullptr)) + ")"); add("(of_int " + toString(commonType.literalValue(nullptr)) + ")");
return false; return false;
} }
@ -488,7 +489,10 @@ bool Why3Translator::visit(BinaryOperation const& _binaryOperation)
{Token::GreaterThanOrEqual, " >= "} {Token::GreaterThanOrEqual, " >= "}
}); });
if (!optrans.count(c_op)) if (!optrans.count(c_op))
{
error(_binaryOperation, "Operator not supported."); error(_binaryOperation, "Operator not supported.");
return true;
}
add("("); add("(");
leftExpression.accept(*this); leftExpression.accept(*this);
@ -676,6 +680,7 @@ bool Why3Translator::visit(Literal const& _literal)
auto const& constantNumber = dynamic_cast<RationalNumberType const&>(*type); auto const& constantNumber = dynamic_cast<RationalNumberType const&>(*type);
if (constantNumber.isFractional()) if (constantNumber.isFractional())
error(_literal, "Fractional numbers not supported."); error(_literal, "Fractional numbers not supported.");
else
add("(of_int " + toString(type->literalValue(&_literal)) + ")"); add("(of_int " + toString(type->literalValue(&_literal)) + ")");
break; break;
} }