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Fix gas for builtin.

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Fixes #1300
This commit is contained in:
chriseth 2015-03-13 13:14:51 +01:00
parent 039b133c18
commit a16677dcfb
5 changed files with 12 additions and 2 deletions
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1
ArrayUtils.cpp
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@ -125,6 +125,7 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
CompilerUtils(m_context).loadFromMemoryDynamic(*sourceBaseType, true, true, false);
else
solAssert(false, "Copying of unknown type requested: " + sourceBaseType->toString());
solAssert(2 + sourceBaseType->getSizeOnStack() <= 16, "Stack too deep.");
m_context << eth::dupInstruction(2 + sourceBaseType->getSizeOnStack());
StorageItem(m_context, *targetBaseType).storeValue(*sourceBaseType, SourceLocation(), true);
}

2
Compiler.cpp
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@ -228,6 +228,7 @@ void Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, bool
{
// Retrieve data start offset by adding length to start offset of previous dynamic type
unsigned stackDepth = m_context.getStackHeight() - stackHeightOfPreviousDynamicArgument;
solAssert(stackDepth <= 16, "Stack too deep.");
m_context << eth::dupInstruction(stackDepth) << eth::dupInstruction(stackDepth);
ArrayUtils(m_context).convertLengthToSize(*previousDynamicType, true);
m_context << eth::Instruction::ADD;
@ -359,6 +360,7 @@ bool Compiler::visit(FunctionDefinition const& _function)
stackLayout.push_back(i);
stackLayout += vector<int>(c_localVariablesSize, -1);
solAssert(stackLayout.size() <= 17, "Stack too deep.");
while (stackLayout.back() != int(stackLayout.size() - 1))
if (stackLayout.back() < 0)
{

4
CompilerUtils.cpp
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@ -138,6 +138,7 @@ void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable)
{
unsigned const stackPosition = m_context.baseToCurrentStackOffset(m_context.getBaseStackOffsetOfVariable(_variable));
unsigned const size = _variable.getType()->getSizeOnStack();
solAssert(stackPosition >= size, "Variable size and position mismatch.");
// move variable starting from its top end in the stack
if (stackPosition - size + 1 > 16)
BOOST_THROW_EXCEPTION(CompilerError() << errinfo_sourceLocation(_variable.getLocation())
@ -148,8 +149,7 @@ void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable)
void CompilerUtils::copyToStackTop(unsigned _stackDepth, unsigned _itemSize)
{
if (_stackDepth > 16)
BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("Stack too deep."));
solAssert(_stackDepth <= 16, "Stack too deep.");
for (unsigned i = 0; i < _itemSize; ++i)
m_context << eth::dupInstruction(_stackDepth);
}

6
ExpressionCompiler.cpp
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@ -233,9 +233,12 @@ bool ExpressionCompiler::visit(Assignment const& _assignment)
m_currentLValue->retrieveValue(_assignment.getLocation(), true);
appendOrdinaryBinaryOperatorCode(Token::AssignmentToBinaryOp(op), *_assignment.getType());
if (lvalueSize > 0)
{
solAssert(itemSize + lvalueSize <= 16, "Stack too deep.");
// value [lvalue_ref] updated_value
for (unsigned i = 0; i < itemSize; ++i)
m_context << eth::swapInstruction(itemSize + lvalueSize) << eth::Instruction::POP;
}
}
m_currentLValue->storeValue(*_assignment.getRightHandSide().getType(), _assignment.getLocation());
m_currentLValue.reset();
@ -557,10 +560,13 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
case Location::SHA256:
case Location::RIPEMD160:
{
_functionCall.getExpression().accept(*this);
static const map<Location, u256> contractAddresses{{Location::ECRecover, 1},
{Location::SHA256, 2},
{Location::RIPEMD160, 3}};
m_context << contractAddresses.find(function.getLocation())->second;
for (unsigned i = function.getSizeOnStack(); i > 0; --i)
m_context << eth::swapInstruction(i);
appendExternalFunctionCall(function, arguments, true);
break;
}

1
LValue.cpp
View File

@ -167,6 +167,7 @@ void StorageItem::storeValue(Type const& _sourceType, SourceLocation const& _loc
// stack: source_ref target_ref member_offset source_member_ref
StorageItem(m_context, *memberType).retrieveValue(_location, true);
// stack: source_ref target_ref member_offset source_value...
solAssert(2 + memberType->getSizeOnStack() <= 16, "Stack too deep.");
m_context << eth::dupInstruction(2 + memberType->getSizeOnStack())
<< eth::dupInstruction(2 + memberType->getSizeOnStack()) << eth::Instruction::ADD;
// stack: source_ref target_ref member_offset source_value... target_member_ref