codegen: refactor common code

This commit is contained in:
Yoichi Hirai 2016-10-21 20:16:21 +02:00
parent acba7b92e5
commit 5245a3cf74
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GPG Key ID: E7B75D080FCF7992
2 changed files with 15 additions and 20 deletions

View File

@ -889,17 +889,7 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess)
// no-op
}
else if (auto variable = dynamic_cast<VariableDeclaration const*>(_memberAccess.annotation().referencedDeclaration))
{
// TODO duplicate code should be unified
if (!variable->isConstant())
setLValueFromDeclaration(*_memberAccess.annotation().referencedDeclaration, _memberAccess);
else
{
variable->value()->accept(*this);
utils().convertType(*variable->value()->annotation().type, *variable->annotation().type);
}
}
appendVariable(*variable, static_cast<Expression const&>(_memberAccess));
else
_memberAccess.expression().accept(*this);
}
@ -1213,15 +1203,7 @@ void ExpressionCompiler::endVisit(Identifier const& _identifier)
else if (FunctionDefinition const* functionDef = dynamic_cast<FunctionDefinition const*>(declaration))
m_context << m_context.virtualFunctionEntryLabel(*functionDef).pushTag();
else if (auto variable = dynamic_cast<VariableDeclaration const*>(declaration))
{
if (!variable->isConstant())
setLValueFromDeclaration(*declaration, _identifier);
else
{
variable->value()->accept(*this);
utils().convertType(*variable->value()->annotation().type, *variable->annotation().type);
}
}
appendVariable(*variable, static_cast<Expression const&>(_identifier));
else if (auto contract = dynamic_cast<ContractDefinition const*>(declaration))
{
if (contract->isLibrary())
@ -1650,6 +1632,17 @@ void ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType,
utils().storeInMemoryDynamic(_expectedType);
}
void ExpressionCompiler::appendVariable(VariableDeclaration const& _variable, Expression const& _expression)
{
if (!_variable.isConstant())
setLValueFromDeclaration(_variable, _expression);
else
{
_variable.value()->accept(*this);
utils().convertType(*_variable.value()->annotation().type, *_variable.annotation().type);
}
}
void ExpressionCompiler::setLValueFromDeclaration(Declaration const& _declaration, Expression const& _expression)
{
if (m_context.isLocalVariable(&_declaration))

View File

@ -103,6 +103,8 @@ private:
/// expected to be on the stack and is updated by this call.
void appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression);
/// Appends code for a variable that might be a constant or not
void appendVariable(VariableDeclaration const& _variable, Expression const& _expression);
/// Sets the current LValue to a new one (of the appropriate type) from the given declaration.
/// Also retrieves the value if it was not requested by @a _expression.
void setLValueFromDeclaration(Declaration const& _declaration, Expression const& _expression);