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Fix crash when using json compiler with exponentiation.

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This commit is contained in:
chriseth 2016-08-20 03:44:26 +02:00
parent 0d736fde6d
commit 345c0f36fb
1 changed files with 7 additions and 2 deletions
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9
libsolidity/formal/Why3Translator.cpp
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@ -466,7 +466,8 @@ 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.");
add("(of_int " + toString(commonType.literalValue(nullptr)) + ")"); else
add("(of_int " + toString(commonType.literalValue(nullptr)) + ")");
return false; return false;
} }
static const map<Token::Value, char const*> optrans({ static const map<Token::Value, char const*> optrans({
@ -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);
@ -676,7 +680,8 @@ 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.");
add("(of_int " + toString(type->literalValue(&_literal)) + ")"); else
add("(of_int " + toString(type->literalValue(&_literal)) + ")");
break; break;
} }
default: default: