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https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Helper function to define the value of expressions.
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0eef51ffa4
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@ -122,7 +122,7 @@ bool IRGeneratorForStatements::visit(Assignment const& _assignment)
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" := " <<
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" := " <<
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expressionAsType(_assignment.rightHandSide(), *lvalue.annotation().type) <<
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expressionAsType(_assignment.rightHandSide(), *lvalue.annotation().type) <<
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"\n";
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"\n";
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m_code << "let " << m_context.variable(_assignment) << " := " << varName << "\n";
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defineExpression(_assignment) << varName << "\n";
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return false;
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return false;
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}
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}
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@ -197,10 +197,7 @@ void IRGeneratorForStatements::endVisit(BinaryOperation const& _binOp)
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// special case: short-circuiting
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// special case: short-circuiting
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solUnimplementedAssert(false, "");
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solUnimplementedAssert(false, "");
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else if (commonType->category() == Type::Category::RationalNumber)
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else if (commonType->category() == Type::Category::RationalNumber)
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m_code <<
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defineExpression(_binOp) <<
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"let " <<
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m_context.variable(_binOp) <<
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" := " <<
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toCompactHexWithPrefix(commonType->literalValue(nullptr)) <<
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toCompactHexWithPrefix(commonType->literalValue(nullptr)) <<
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"\n";
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"\n";
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else
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else
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@ -209,10 +206,7 @@ void IRGeneratorForStatements::endVisit(BinaryOperation const& _binOp)
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if (IntegerType const* type = dynamic_cast<IntegerType const*>(commonType))
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if (IntegerType const* type = dynamic_cast<IntegerType const*>(commonType))
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{
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{
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solUnimplementedAssert(!type->isSigned(), "");
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solUnimplementedAssert(!type->isSigned(), "");
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m_code <<
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defineExpression(_binOp) <<
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"let " <<
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m_context.variable(_binOp) <<
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" := " <<
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m_utils.overflowCheckedUIntAddFunction(type->numBits()) <<
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m_utils.overflowCheckedUIntAddFunction(type->numBits()) <<
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"(" <<
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"(" <<
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expressionAsType(_binOp.leftExpression(), *commonType) <<
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expressionAsType(_binOp.leftExpression(), *commonType) <<
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@ -241,10 +235,7 @@ bool IRGeneratorForStatements::visit(FunctionCall const& _functionCall)
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solAssert(_functionCall.arguments().size() == 1, "Expected one argument for type conversion");
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solAssert(_functionCall.arguments().size() == 1, "Expected one argument for type conversion");
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_functionCall.arguments().front()->accept(*this);
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_functionCall.arguments().front()->accept(*this);
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m_code <<
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defineExpression(_functionCall) <<
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"let " <<
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m_context.variable(_functionCall) <<
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" := " <<
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expressionAsType(*_functionCall.arguments().front(), *_functionCall.annotation().type) <<
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expressionAsType(*_functionCall.arguments().front(), *_functionCall.annotation().type) <<
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"\n";
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"\n";
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@ -297,10 +288,7 @@ bool IRGeneratorForStatements::visit(FunctionCall const& _functionCall)
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if (auto functionDef = dynamic_cast<FunctionDefinition const*>(identifier->annotation().referencedDeclaration))
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if (auto functionDef = dynamic_cast<FunctionDefinition const*>(identifier->annotation().referencedDeclaration))
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{
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{
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// @TODO The function can very well return multiple vars.
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// @TODO The function can very well return multiple vars.
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m_code <<
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defineExpression(_functionCall) <<
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"let " <<
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m_context.variable(_functionCall) <<
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" := " <<
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m_context.virtualFunctionName(*functionDef) <<
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m_context.virtualFunctionName(*functionDef) <<
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"(" <<
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"(" <<
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joinHumanReadable(args) <<
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joinHumanReadable(args) <<
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@ -313,10 +301,7 @@ bool IRGeneratorForStatements::visit(FunctionCall const& _functionCall)
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// @TODO The function can very well return multiple vars.
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// @TODO The function can very well return multiple vars.
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args = vector<string>{m_context.variable(_functionCall.expression())} + args;
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args = vector<string>{m_context.variable(_functionCall.expression())} + args;
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m_code <<
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defineExpression(_functionCall) <<
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"let " <<
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m_context.variable(_functionCall) <<
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" := " <<
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m_context.internalDispatch(functionType->parameterTypes().size(), functionType->returnParameterTypes().size()) <<
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m_context.internalDispatch(functionType->parameterTypes().size(), functionType->returnParameterTypes().size()) <<
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"(" <<
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"(" <<
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joinHumanReadable(args) <<
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joinHumanReadable(args) <<
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@ -351,7 +336,7 @@ bool IRGeneratorForStatements::visit(Identifier const& _identifier)
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value = m_context.variableName(*varDecl);
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value = m_context.variableName(*varDecl);
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else
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else
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solUnimplemented("");
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solUnimplemented("");
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m_code << "let " << m_context.variable(_identifier) << " := " << value << "\n";
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defineExpression(_identifier) << value << "\n";
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return false;
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return false;
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}
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}
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@ -364,7 +349,7 @@ bool IRGeneratorForStatements::visit(Literal const& _literal)
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case Type::Category::RationalNumber:
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case Type::Category::RationalNumber:
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case Type::Category::Bool:
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case Type::Category::Bool:
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case Type::Category::Address:
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case Type::Category::Address:
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m_code << "let " << m_context.variable(_literal) << " := " << toCompactHexWithPrefix(type->literalValue(&_literal)) << "\n";
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defineExpression(_literal) << toCompactHexWithPrefix(type->literalValue(&_literal)) << "\n";
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break;
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break;
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case Type::Category::StringLiteral:
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case Type::Category::StringLiteral:
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solUnimplemented("");
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solUnimplemented("");
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@ -385,3 +370,8 @@ string IRGeneratorForStatements::expressionAsType(Expression const& _expression,
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else
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else
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return m_utils.conversionFunction(from, _to) + "(" + std::move(varName) + ")";
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return m_utils.conversionFunction(from, _to) + "(" + std::move(varName) + ")";
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}
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}
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ostream& IRGeneratorForStatements::defineExpression(Expression const& _expression)
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{
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return m_code << "let " << m_context.variable(_expression) << " := ";
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}
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@ -60,6 +60,7 @@ private:
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/// @returns a Yul expression representing the current value of @a _expression,
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/// @returns a Yul expression representing the current value of @a _expression,
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/// converted to type @a _to if it does not yet have that type.
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/// converted to type @a _to if it does not yet have that type.
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std::string expressionAsType(Expression const& _expression, Type const& _to);
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std::string expressionAsType(Expression const& _expression, Type const& _to);
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std::ostream& defineExpression(Expression const& _expression);
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std::ostringstream m_code;
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std::ostringstream m_code;
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IRGenerationContext& m_context;
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IRGenerationContext& m_context;
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