diff options
Diffstat (limited to 'libsolidity/codegen')
-rw-r--r-- | libsolidity/codegen/ABIFunctions.cpp | 21 | ||||
-rw-r--r-- | libsolidity/codegen/Compiler.cpp | 13 | ||||
-rw-r--r-- | libsolidity/codegen/Compiler.h | 6 | ||||
-rw-r--r-- | libsolidity/codegen/CompilerContext.cpp | 2 | ||||
-rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 29 | ||||
-rw-r--r-- | libsolidity/codegen/ContractCompiler.cpp | 56 | ||||
-rw-r--r-- | libsolidity/codegen/ContractCompiler.h | 10 | ||||
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 2 |
8 files changed, 22 insertions, 117 deletions
diff --git a/libsolidity/codegen/ABIFunctions.cpp b/libsolidity/codegen/ABIFunctions.cpp index b3f1bc7e..dda77958 100644 --- a/libsolidity/codegen/ABIFunctions.cpp +++ b/libsolidity/codegen/ABIFunctions.cpp @@ -228,7 +228,8 @@ string ABIFunctions::cleanupFunction(Type const& _type, bool _revertOnFailure) if (type.numBytes() == 32) templ("body", "cleaned := value"); else if (type.numBytes() == 0) - templ("body", "cleaned := 0"); + // This is disallowed in the type system. + solAssert(false, ""); else { size_t numBits = type.numBytes() * 8; @@ -471,13 +472,8 @@ string ABIFunctions::abiEncodingFunction( bool _fromStack ) { - solUnimplementedAssert( - _to.mobileType() && - _to.mobileType()->interfaceType(_encodeAsLibraryTypes) && - _to.mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(), - "Encoding type \"" + _to.toString() + "\" not yet implemented." - ); - TypePointer toInterface = _to.mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(); + TypePointer toInterface = _to.fullEncodingType(_encodeAsLibraryTypes, true, false); + solUnimplementedAssert(toInterface, "Encoding type \"" + _to.toString() + "\" not yet implemented."); Type const& to = *toInterface; if (_from.category() == Type::Category::StringLiteral) @@ -886,13 +882,8 @@ string ABIFunctions::abiEncodingFunctionStruct( solAssert(member.type, ""); if (!member.type->canLiveOutsideStorage()) continue; - solUnimplementedAssert( - member.type->mobileType() && - member.type->mobileType()->interfaceType(_encodeAsLibraryTypes) && - member.type->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(), - "Encoding type \"" + member.type->toString() + "\" not yet implemented." - ); - auto memberTypeTo = member.type->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(); + TypePointer memberTypeTo = member.type->fullEncodingType(_encodeAsLibraryTypes, true, false); + solUnimplementedAssert(memberTypeTo, "Encoding type \"" + member.type->toString() + "\" not yet implemented."); auto memberTypeFrom = _from.memberType(member.name); solAssert(memberTypeFrom, ""); bool dynamicMember = memberTypeTo->isDynamicallyEncoded(); diff --git a/libsolidity/codegen/Compiler.cpp b/libsolidity/codegen/Compiler.cpp index d3afada5..55f1d252 100644 --- a/libsolidity/codegen/Compiler.cpp +++ b/libsolidity/codegen/Compiler.cpp @@ -46,19 +46,6 @@ void Compiler::compileContract( m_context.optimise(m_optimize, m_optimizeRuns); } -void Compiler::compileClone( - ContractDefinition const& _contract, - map<ContractDefinition const*, eth::Assembly const*> const& _contracts -) -{ - solAssert(!_contract.isLibrary(), ""); - ContractCompiler runtimeCompiler(nullptr, m_runtimeContext, m_optimize); - ContractCompiler cloneCompiler(&runtimeCompiler, m_context, m_optimize); - m_runtimeSub = cloneCompiler.compileClone(_contract, _contracts); - - m_context.optimise(m_optimize, m_optimizeRuns); -} - eth::AssemblyItem Compiler::functionEntryLabel(FunctionDefinition const& _function) const { return m_runtimeContext.functionEntryLabelIfExists(_function); diff --git a/libsolidity/codegen/Compiler.h b/libsolidity/codegen/Compiler.h index f6865d75..4028ae63 100644 --- a/libsolidity/codegen/Compiler.h +++ b/libsolidity/codegen/Compiler.h @@ -50,12 +50,6 @@ public: std::map<ContractDefinition const*, eth::Assembly const*> const& _contracts, bytes const& _metadata ); - /// Compiles a contract that uses DELEGATECALL to call into a pre-deployed version of the given - /// contract at runtime, but contains the full creation-time code. - void compileClone( - ContractDefinition const& _contract, - std::map<ContractDefinition const*, eth::Assembly const*> const& _contracts - ); /// @returns Entire assembly. eth::Assembly const& assembly() const { return m_context.assembly(); } /// @returns The entire assembled object (with constructor). diff --git a/libsolidity/codegen/CompilerContext.cpp b/libsolidity/codegen/CompilerContext.cpp index 3b1b4ec0..71b615b8 100644 --- a/libsolidity/codegen/CompilerContext.cpp +++ b/libsolidity/codegen/CompilerContext.cpp @@ -411,7 +411,7 @@ FunctionDefinition const& CompilerContext::resolveVirtualFunction( if ( function->name() == name && !function->isConstructor() && - FunctionType(*function).hasEqualArgumentTypes(functionType) + FunctionType(*function).hasEqualParameterTypes(functionType) ) return *function; solAssert(false, "Super function " + name + " not found."); diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index 2d81a106..b30851fb 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -333,26 +333,19 @@ void CompilerUtils::encodeToMemory( ) { // stack: <v1> <v2> ... <vn> <mem> + bool const encoderV2 = m_context.experimentalFeatureActive(ExperimentalFeature::ABIEncoderV2); TypePointers targetTypes = _targetTypes.empty() ? _givenTypes : _targetTypes; solAssert(targetTypes.size() == _givenTypes.size(), ""); for (TypePointer& t: targetTypes) { - solUnimplementedAssert( - t->mobileType() && - t->mobileType()->interfaceType(_encodeAsLibraryTypes) && - t->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(), - "Encoding type \"" + t->toString() + "\" not yet implemented." - ); - t = t->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(); + TypePointer tEncoding = t->fullEncodingType(_encodeAsLibraryTypes, encoderV2, !_padToWordBoundaries); + solUnimplementedAssert(tEncoding, "Encoding type \"" + t->toString() + "\" not yet implemented."); + t = std::move(tEncoding); } if (_givenTypes.empty()) return; - else if ( - _padToWordBoundaries && - !_copyDynamicDataInPlace && - m_context.experimentalFeatureActive(ExperimentalFeature::ABIEncoderV2) - ) + else if (_padToWordBoundaries && !_copyDynamicDataInPlace && encoderV2) { // Use the new Yul-based encoding function auto stackHeightBefore = m_context.stackHeight(); @@ -954,20 +947,12 @@ void CompilerUtils::convertType( { TupleType const& sourceTuple = dynamic_cast<TupleType const&>(_typeOnStack); TupleType const& targetTuple = dynamic_cast<TupleType const&>(_targetType); - // fillRight: remove excess values at right side, !fillRight: remove eccess values at left side - bool fillRight = !targetTuple.components().empty() && ( - !targetTuple.components().back() || - targetTuple.components().front() - ); + solAssert(targetTuple.components().size() == sourceTuple.components().size(), ""); unsigned depth = sourceTuple.sizeOnStack(); for (size_t i = 0; i < sourceTuple.components().size(); ++i) { TypePointer sourceType = sourceTuple.components()[i]; - TypePointer targetType; - if (fillRight && i < targetTuple.components().size()) - targetType = targetTuple.components()[i]; - else if (!fillRight && targetTuple.components().size() + i >= sourceTuple.components().size()) - targetType = targetTuple.components()[targetTuple.components().size() - (sourceTuple.components().size() - i)]; + TypePointer targetType = targetTuple.components()[i]; if (!sourceType) { solAssert(!targetType, ""); diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp index bbb3db3d..e26bc13a 100644 --- a/libsolidity/codegen/ContractCompiler.cpp +++ b/libsolidity/codegen/ContractCompiler.cpp @@ -50,7 +50,7 @@ class StackHeightChecker public: explicit StackHeightChecker(CompilerContext const& _context): m_context(_context), stackHeight(m_context.stackHeight()) {} - void check() { solAssert(m_context.stackHeight() == stackHeight, std::string("I sense a disturbance in the stack: ") + std::to_string(m_context.stackHeight()) + " vs " + std::to_string(stackHeight)); } + void check() { solAssert(m_context.stackHeight() == stackHeight, std::string("I sense a disturbance in the stack: ") + to_string(m_context.stackHeight()) + " vs " + to_string(stackHeight)); } private: CompilerContext const& m_context; unsigned stackHeight; @@ -71,7 +71,11 @@ void ContractCompiler::compileContract( appendDelegatecallCheck(); initializeContext(_contract, _contracts); + // This generates the dispatch function for externally visible functions + // and adds the function to the compilation queue. Additionally internal functions, + // which are referenced directly or indirectly will be added. appendFunctionSelector(_contract); + // This processes the above populated queue until it is empty. appendMissingFunctions(); } @@ -90,27 +94,6 @@ size_t ContractCompiler::compileConstructor( } } -size_t ContractCompiler::compileClone( - ContractDefinition const& _contract, - map<ContractDefinition const*, eth::Assembly const*> const& _contracts -) -{ - initializeContext(_contract, _contracts); - - appendInitAndConstructorCode(_contract); - - //@todo determine largest return size of all runtime functions - auto runtimeSub = m_context.addSubroutine(cloneRuntime()); - - // stack contains sub size - m_context << Instruction::DUP1 << runtimeSub << u256(0) << Instruction::CODECOPY; - m_context << u256(0) << Instruction::RETURN; - - appendMissingFunctions(); - - return size_t(runtimeSub.data()); -} - void ContractCompiler::initializeContext( ContractDefinition const& _contract, map<ContractDefinition const*, eth::Assembly const*> const& _compiledContracts @@ -796,11 +779,9 @@ bool ContractCompiler::visit(Return const& _return) return false; } -bool ContractCompiler::visit(Throw const& _throw) +bool ContractCompiler::visit(Throw const&) { - CompilerContext::LocationSetter locationSetter(m_context, _throw); - // Do not send back an error detail. - m_context.appendRevert(); + solAssert(false, "Throw statement is disallowed."); return false; } @@ -976,29 +957,6 @@ void ContractCompiler::compileExpression(Expression const& _expression, TypePoin CompilerUtils(m_context).convertType(*_expression.annotation().type, *_targetType); } -eth::AssemblyPointer ContractCompiler::cloneRuntime() const -{ - eth::Assembly a; - a << Instruction::CALLDATASIZE; - a << u256(0) << Instruction::DUP1 << Instruction::CALLDATACOPY; - //@todo adjust for larger return values, make this dynamic. - a << u256(0x20) << u256(0) << Instruction::CALLDATASIZE; - a << u256(0); - // this is the address which has to be substituted by the linker. - //@todo implement as special "marker" AssemblyItem. - a << u256("0xcafecafecafecafecafecafecafecafecafecafe"); - a << u256(eth::GasCosts::callGas(m_context.evmVersion()) + 10) << Instruction::GAS << Instruction::SUB; - a << Instruction::DELEGATECALL; - //Propagate error condition (if DELEGATECALL pushes 0 on stack). - a << Instruction::ISZERO; - a << Instruction::ISZERO; - eth::AssemblyItem afterTag = a.appendJumpI().tag(); - a << Instruction::INVALID << afterTag; - //@todo adjust for larger return values, make this dynamic. - a << u256(0x20) << u256(0) << Instruction::RETURN; - return make_shared<eth::Assembly>(a); -} - void ContractCompiler::popScopedVariables(ASTNode const* _node) { unsigned blockHeight = m_scopeStackHeight.at(m_modifierDepth).at(_node); diff --git a/libsolidity/codegen/ContractCompiler.h b/libsolidity/codegen/ContractCompiler.h index 8516ec2c..5fa650b1 100644 --- a/libsolidity/codegen/ContractCompiler.h +++ b/libsolidity/codegen/ContractCompiler.h @@ -56,13 +56,6 @@ public: ContractDefinition const& _contract, std::map<ContractDefinition const*, eth::Assembly const*> const& _contracts ); - /// Compiles a contract that uses DELEGATECALL to call into a pre-deployed version of the given - /// contract at runtime, but contains the full creation-time code. - /// @returns the identifier of the runtime sub-assembly. - size_t compileClone( - ContractDefinition const& _contract, - std::map<ContractDefinition const*, eth::Assembly const*> const& _contracts - ); private: /// Registers the non-function objects inside the contract with the context and stores the basic @@ -122,9 +115,6 @@ private: void appendStackVariableInitialisation(VariableDeclaration const& _variable); void compileExpression(Expression const& _expression, TypePointer const& _targetType = TypePointer()); - /// @returns the runtime assembly for clone contracts. - eth::AssemblyPointer cloneRuntime() const; - /// Frees the variables of a certain scope (to be used when leaving). void popScopedVariables(ASTNode const* _node); diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index 54518906..412a7255 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -701,7 +701,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) m_context.appendRevert(); break; } - case FunctionType::Kind::SHA3: + case FunctionType::Kind::KECCAK256: { solAssert(arguments.size() == 1, ""); solAssert(!function.padArguments(), ""); |