diff options
Diffstat (limited to 'libsolidity/codegen/ContractCompiler.cpp')
-rw-r--r-- | libsolidity/codegen/ContractCompiler.cpp | 52 |
1 files changed, 3 insertions, 49 deletions
diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp index 2f15a33d..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; @@ -94,27 +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 @@ -800,11 +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; } @@ -980,29 +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); |