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author | Alex Beregszaszi <alex@rtfs.hu> | 2017-03-16 19:58:17 +0800 |
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committer | Alex Beregszaszi <alex@rtfs.hu> | 2017-03-16 20:49:52 +0800 |
commit | 3ae88377d6bf59afe823eef2e4df4065561ed6ea (patch) | |
tree | 5d3df9cd820cd53f6b98a80e5d5ffb2ddbbdbc3d /libsolidity/codegen/ExpressionCompiler.cpp | |
parent | 7123f25210c200f225c5988452d9e2c35d668223 (diff) | |
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Change references to FunctionType::Location
Diffstat (limited to 'libsolidity/codegen/ExpressionCompiler.cpp')
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 158 |
1 files changed, 78 insertions, 80 deletions
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index 744a80c4..f018b311 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -434,7 +434,6 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) bool ExpressionCompiler::visit(FunctionCall const& _functionCall) { CompilerContext::LocationSetter locationSetter(m_context, _functionCall); - using Location = FunctionType::Location; if (_functionCall.annotation().isTypeConversion) { solAssert(_functionCall.arguments().size() == 1, ""); @@ -499,10 +498,10 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) FunctionType const& function = *functionType; if (function.bound()) // Only delegatecall and internal functions can be bound, this might be lifted later. - solAssert(function.location() == Location::DelegateCall || function.location() == Location::Internal, ""); - switch (function.location()) + solAssert(function.kind() == FunctionType::Kind::DelegateCall || function.kind() == FunctionType::Kind::Internal, ""); + switch (function.kind()) { - case Location::Internal: + case FunctionType::Kind::Internal: { // Calling convention: Caller pushes return address and arguments // Callee removes them and pushes return values @@ -538,16 +537,16 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context.adjustStackOffset(returnParametersSize - parameterSize - 1); break; } - case Location::External: - case Location::CallCode: - case Location::DelegateCall: - case Location::Bare: - case Location::BareCallCode: - case Location::BareDelegateCall: + case FunctionType::Kind::External: + case FunctionType::Kind::CallCode: + case FunctionType::Kind::DelegateCall: + case FunctionType::Kind::Bare: + case FunctionType::Kind::BareCallCode: + case FunctionType::Kind::BareDelegateCall: _functionCall.expression().accept(*this); appendExternalFunctionCall(function, arguments); break; - case Location::Creation: + case FunctionType::Kind::Creation: { _functionCall.expression().accept(*this); solAssert(!function.gasSet(), "Gas limit set for contract creation."); @@ -592,7 +591,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << swapInstruction(1) << Instruction::POP; break; } - case Location::SetGas: + case FunctionType::Kind::SetGas: { // stack layout: contract_address function_id [gas] [value] _functionCall.expression().accept(*this); @@ -608,7 +607,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << Instruction::POP; break; } - case Location::SetValue: + case FunctionType::Kind::SetValue: // stack layout: contract_address function_id [gas] [value] _functionCall.expression().accept(*this); // Note that function is not the original function, but the ".value" function. @@ -617,8 +616,8 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << Instruction::POP; arguments.front()->accept(*this); break; - case Location::Send: - case Location::Transfer: + case FunctionType::Kind::Send: + case FunctionType::Kind::Transfer: _functionCall.expression().accept(*this); // Provide the gas stipend manually at first because we may send zero ether. // Will be zeroed if we send more than zero ether. @@ -637,7 +636,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) TypePointers{}, strings(), strings(), - Location::Bare, + FunctionType::Kind::Bare, false, nullptr, false, @@ -647,24 +646,24 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) ), {} ); - if (function.location() == Location::Transfer) + if (function.kind() == FunctionType::Kind::Transfer) { // Check if zero (out of stack or not enough balance). m_context << Instruction::ISZERO; m_context.appendConditionalInvalid(); } break; - case Location::Selfdestruct: + case FunctionType::Kind::Selfdestruct: arguments.front()->accept(*this); utils().convertType(*arguments.front()->annotation().type, *function.parameterTypes().front(), true); m_context << Instruction::SELFDESTRUCT; break; - case Location::Revert: + case FunctionType::Kind::Revert: // memory offset returned - zero length m_context << u256(0) << u256(0); m_context << Instruction::REVERT; break; - case Location::SHA3: + case FunctionType::Kind::SHA3: { TypePointers argumentTypes; for (auto const& arg: arguments) @@ -678,13 +677,13 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << Instruction::SHA3; break; } - case Location::Log0: - case Location::Log1: - case Location::Log2: - case Location::Log3: - case Location::Log4: + case FunctionType::Kind::Log0: + case FunctionType::Kind::Log1: + case FunctionType::Kind::Log2: + case FunctionType::Kind::Log3: + case FunctionType::Kind::Log4: { - unsigned logNumber = int(function.location()) - int(Location::Log0); + unsigned logNumber = int(function.kind()) - int(FunctionType::Kind::Log0); for (unsigned arg = logNumber; arg > 0; --arg) { arguments[arg]->accept(*this); @@ -701,7 +700,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << logInstruction(logNumber); break; } - case Location::Event: + case FunctionType::Kind::Event: { _functionCall.expression().accept(*this); auto const& event = dynamic_cast<EventDefinition const&>(function.declaration()); @@ -755,50 +754,50 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << logInstruction(numIndexed); break; } - case Location::BlockHash: + case FunctionType::Kind::BlockHash: { arguments[0]->accept(*this); utils().convertType(*arguments[0]->annotation().type, *function.parameterTypes()[0], true); m_context << Instruction::BLOCKHASH; break; } - case Location::AddMod: - case Location::MulMod: + case FunctionType::Kind::AddMod: + case FunctionType::Kind::MulMod: { for (unsigned i = 0; i < 3; i ++) { arguments[2 - i]->accept(*this); utils().convertType(*arguments[2 - i]->annotation().type, IntegerType(256)); } - if (function.location() == Location::AddMod) + if (function.kind() == FunctionType::Kind::AddMod) m_context << Instruction::ADDMOD; else m_context << Instruction::MULMOD; break; } - case Location::ECRecover: - case Location::SHA256: - case Location::RIPEMD160: + case FunctionType::Kind::ECRecover: + case FunctionType::Kind::SHA256: + case FunctionType::Kind::RIPEMD160: { _functionCall.expression().accept(*this); - static const map<Location, u256> contractAddresses{{Location::ECRecover, 1}, - {Location::SHA256, 2}, - {Location::RIPEMD160, 3}}; - m_context << contractAddresses.find(function.location())->second; + static const map<FunctionType::Kind, u256> contractAddresses{{FunctionType::Kind::ECRecover, 1}, + {FunctionType::Kind::SHA256, 2}, + {FunctionType::Kind::RIPEMD160, 3}}; + m_context << contractAddresses.find(function.kind())->second; for (unsigned i = function.sizeOnStack(); i > 0; --i) m_context << swapInstruction(i); appendExternalFunctionCall(function, arguments); break; } - case Location::ByteArrayPush: - case Location::ArrayPush: + case FunctionType::Kind::ByteArrayPush: + case FunctionType::Kind::ArrayPush: { _functionCall.expression().accept(*this); solAssert(function.parameterTypes().size() == 1, ""); solAssert(!!function.parameterTypes()[0], ""); TypePointer paramType = function.parameterTypes()[0]; shared_ptr<ArrayType> arrayType = - function.location() == Location::ArrayPush ? + function.kind() == FunctionType::Kind::ArrayPush ? make_shared<ArrayType>(DataLocation::Storage, paramType) : make_shared<ArrayType>(DataLocation::Storage); // get the current length @@ -822,13 +821,13 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) utils().moveToStackTop(1 + type->sizeOnStack()); utils().moveToStackTop(1 + type->sizeOnStack()); // stack: newLength argValue storageSlot slotOffset - if (function.location() == Location::ArrayPush) + if (function.kind() == FunctionType::Kind::ArrayPush) StorageItem(m_context, *paramType).storeValue(*type, _functionCall.location(), true); else StorageByteArrayElement(m_context).storeValue(*type, _functionCall.location(), true); break; } - case Location::ObjectCreation: + case FunctionType::Kind::ObjectCreation: { // Will allocate at the end of memory (MSIZE) and not write at all unless the base // type is dynamically sized. @@ -878,15 +877,15 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context << Instruction::POP; break; } - case Location::Assert: - case Location::Require: + case FunctionType::Kind::Assert: + case FunctionType::Kind::Require: { arguments.front()->accept(*this); utils().convertType(*arguments.front()->annotation().type, *function.parameterTypes().front(), false); // jump if condition was met m_context << Instruction::ISZERO << Instruction::ISZERO; auto success = m_context.appendConditionalJump(); - if (function.location() == Location::Assert) + if (function.kind() == FunctionType::Kind::Assert) // condition was not met, flag an error m_context << Instruction::INVALID; else @@ -922,7 +921,7 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess) *funType->selfType(), true ); - if (funType->location() == FunctionType::Location::Internal) + if (funType->kind() == FunctionType::Kind::Internal) { FunctionDefinition const& funDef = dynamic_cast<decltype(funDef)>(funType->declaration()); utils().pushCombinedFunctionEntryLabel(funDef); @@ -930,7 +929,7 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess) } else { - solAssert(funType->location() == FunctionType::Location::DelegateCall, ""); + solAssert(funType->kind() == FunctionType::Kind::DelegateCall, ""); auto contract = dynamic_cast<ContractDefinition const*>(funType->declaration().scope()); solAssert(contract && contract->isLibrary(), ""); m_context.appendLibraryAddress(contract->fullyQualifiedName()); @@ -949,9 +948,9 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess) solAssert(_memberAccess.annotation().type, "_memberAccess has no type"); if (auto funType = dynamic_cast<FunctionType const*>(_memberAccess.annotation().type.get())) { - switch (funType->location()) + switch (funType->kind()) { - case FunctionType::Location::Internal: + case FunctionType::Kind::Internal: // We do not visit the expression here on purpose, because in the case of an // internal library function call, this would push the library address forcing // us to link against it although we actually do not need it. @@ -960,31 +959,31 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess) else solAssert(false, "Function not found in member access"); break; - case FunctionType::Location::Event: + case FunctionType::Kind::Event: if (!dynamic_cast<EventDefinition const*>(_memberAccess.annotation().referencedDeclaration)) solAssert(false, "event not found"); // no-op, because the parent node will do the job break; - case FunctionType::Location::External: - case FunctionType::Location::Creation: - case FunctionType::Location::DelegateCall: - case FunctionType::Location::CallCode: - case FunctionType::Location::Send: - case FunctionType::Location::Bare: - case FunctionType::Location::BareCallCode: - case FunctionType::Location::BareDelegateCall: - case FunctionType::Location::Transfer: + case FunctionType::Kind::External: + case FunctionType::Kind::Creation: + case FunctionType::Kind::DelegateCall: + case FunctionType::Kind::CallCode: + case FunctionType::Kind::Send: + case FunctionType::Kind::Bare: + case FunctionType::Kind::BareCallCode: + case FunctionType::Kind::BareDelegateCall: + case FunctionType::Kind::Transfer: _memberAccess.expression().accept(*this); m_context << funType->externalIdentifier(); break; - case FunctionType::Location::Log0: - case FunctionType::Location::Log1: - case FunctionType::Location::Log2: - case FunctionType::Location::Log3: - case FunctionType::Location::Log4: - case FunctionType::Location::ECRecover: - case FunctionType::Location::SHA256: - case FunctionType::Location::RIPEMD160: + case FunctionType::Kind::Log0: + case FunctionType::Kind::Log1: + case FunctionType::Kind::Log2: + case FunctionType::Kind::Log3: + case FunctionType::Kind::Log4: + case FunctionType::Kind::ECRecover: + case FunctionType::Kind::SHA256: + case FunctionType::Kind::RIPEMD160: default: solAssert(false, "unsupported member function"); } @@ -1372,7 +1371,7 @@ void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type { if (FunctionType const* funType = dynamic_cast<decltype(funType)>(&_type)) { - if (funType->location() == FunctionType::Location::Internal) + if (funType->kind() == FunctionType::Kind::Internal) { // We have to remove the upper bits (construction time value) because they might // be "unknown" in one of the operands and not in the other. @@ -1555,11 +1554,10 @@ void ExpressionCompiler::appendExternalFunctionCall( if (_functionType.bound()) utils().moveToStackTop(gasValueSize, _functionType.selfType()->sizeOnStack()); - using FunctionKind = FunctionType::Location; - FunctionKind funKind = _functionType.location(); - bool returnSuccessCondition = funKind == FunctionKind::Bare || funKind == FunctionKind::BareCallCode; - bool isCallCode = funKind == FunctionKind::BareCallCode || funKind == FunctionKind::CallCode; - bool isDelegateCall = funKind == FunctionKind::BareDelegateCall || funKind == FunctionKind::DelegateCall; + auto funKind = _functionType.kind(); + bool returnSuccessCondition = funKind == FunctionType::Kind::Bare || funKind == FunctionType::Kind::BareCallCode; + bool isCallCode = funKind == FunctionType::Kind::BareCallCode || funKind == FunctionType::Kind::CallCode; + bool isDelegateCall = funKind == FunctionType::Kind::BareDelegateCall || funKind == FunctionType::Kind::DelegateCall; unsigned retSize = 0; if (returnSuccessCondition) @@ -1576,7 +1574,7 @@ void ExpressionCompiler::appendExternalFunctionCall( TypePointers parameterTypes = _functionType.parameterTypes(); bool manualFunctionId = false; if ( - (funKind == FunctionKind::Bare || funKind == FunctionKind::BareCallCode || funKind == FunctionKind::BareDelegateCall) && + (funKind == FunctionType::Kind::Bare || funKind == FunctionType::Kind::BareCallCode || funKind == FunctionType::Kind::BareDelegateCall) && !_arguments.empty() ) { @@ -1611,7 +1609,7 @@ void ExpressionCompiler::appendExternalFunctionCall( argumentTypes.push_back(_arguments[i]->annotation().type); } - if (funKind == FunctionKind::ECRecover) + if (funKind == FunctionType::Kind::ECRecover) { // Clears 32 bytes of currently free memory and advances free memory pointer. // Output area will be "start of input area" - 32. @@ -1667,7 +1665,7 @@ void ExpressionCompiler::appendExternalFunctionCall( // put on stack: <size of output> <memory pos of output> <size of input> <memory pos of input> m_context << u256(retSize); utils().fetchFreeMemoryPointer(); // This is the start of input - if (funKind == FunctionKind::ECRecover) + if (funKind == FunctionType::Kind::ECRecover) { // In this case, output is 32 bytes before input and has already been cleared. m_context << u256(32) << Instruction::DUP2 << Instruction::SUB << Instruction::SWAP1; @@ -1693,7 +1691,7 @@ void ExpressionCompiler::appendExternalFunctionCall( bool existenceChecked = false; // Check the the target contract exists (has code) for non-low-level calls. - if (funKind == FunctionKind::External || funKind == FunctionKind::CallCode || funKind == FunctionKind::DelegateCall) + if (funKind == FunctionType::Kind::External || funKind == FunctionType::Kind::CallCode || funKind == FunctionType::Kind::DelegateCall) { m_context << Instruction::DUP1 << Instruction::EXTCODESIZE << Instruction::ISZERO; m_context.appendConditionalInvalid(); @@ -1741,14 +1739,14 @@ void ExpressionCompiler::appendExternalFunctionCall( { // already there } - else if (funKind == FunctionKind::RIPEMD160) + else if (funKind == FunctionType::Kind::RIPEMD160) { // fix: built-in contract returns right-aligned data utils().fetchFreeMemoryPointer(); utils().loadFromMemoryDynamic(IntegerType(160), false, true, false); utils().convertType(IntegerType(160), FixedBytesType(20)); } - else if (funKind == FunctionKind::ECRecover) + else if (funKind == FunctionType::Kind::ECRecover) { // Output is 32 bytes before input / free mem pointer. // Failing ecrecover cannot be detected, so we clear output before the call. |