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Allow constant integer variables as array lengths.

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This commit is contained in:
Balajiganapathi S
2017-11-22 01:41:46 +00:00
committed by Alex Beregszaszi
parent 5c9e273d02
commit 165857b1d4
5 changed files with 61 additions and 1 deletions
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libsolidity/analysis/ConstantEvaluator.cpp
+18
View File
@@ -74,3 +74,21 @@ void ConstantEvaluator::endVisit(Literal const& _literal)
if (!_literal.annotation().type)
m_errorReporter.fatalTypeError(_literal.location(), "Invalid literal value.");
}
void ConstantEvaluator::endVisit(Identifier const& _identifier)
{
VariableDeclaration const *variableDeclaration = dynamic_cast<VariableDeclaration const *>(_identifier.annotation().referencedDeclaration);
if (!variableDeclaration)
return;
if (!variableDeclaration->isConstant())
m_errorReporter.fatalTypeError(_identifier.location(), "Identifier must be declared constant.");
ASTPointer<Expression> value = variableDeclaration->value();
if (value)
{
if (!value->annotation().type)
ConstantEvaluator e(*value, m_errorReporter);
_identifier.annotation().type = value->annotation().type;
}
}
libsolidity/analysis/ConstantEvaluator.h
+1
View File
@@ -48,6 +48,7 @@ private:
virtual void endVisit(BinaryOperation const& _operation);
virtual void endVisit(UnaryOperation const& _operation);
virtual void endVisit(Literal const& _literal);
virtual void endVisit(Identifier const& _identifier);
ErrorReporter& m_errorReporter;
};