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Re-allow multiple modifiers per function.

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This commit is contained in:
chriseth
2017-07-27 13:45:39 +02:00
parent 07e0a7e090
commit 7c7c2baa82
6 changed files with 41 additions and 9 deletions
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libsolidity/analysis/TypeChecker.cpp
-2
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@@ -510,8 +510,6 @@ bool TypeChecker::visit(FunctionDefinition const& _function)
{
if (dynamic_cast<ContractDefinition const*>(decl))
m_errorReporter.declarationError(modifier->location(), "Base constructor already provided.");
else
m_errorReporter.declarationError(modifier->location(), "Modifier already used for this function.");
}
else
modifiers.insert(decl);
libsolidity/codegen/CompilerContext.cpp
+7 -5
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@@ -124,14 +124,15 @@ void CompilerContext::addVariable(VariableDeclaration const& _declaration,
unsigned _offsetToCurrent)
{
solAssert(m_asm->deposit() >= 0 && unsigned(m_asm->deposit()) >= _offsetToCurrent, "");
solAssert(m_localVariables.count(&_declaration) == 0, "Variable already present");
m_localVariables[&_declaration] = unsigned(m_asm->deposit()) - _offsetToCurrent;
m_localVariables[&_declaration].push_back(unsigned(m_asm->deposit()) - _offsetToCurrent);
}
void CompilerContext::removeVariable(VariableDeclaration const& _declaration)
{
solAssert(!!m_localVariables.count(&_declaration), "");
m_localVariables.erase(&_declaration);
solAssert(m_localVariables.count(&_declaration) && !m_localVariables[&_declaration].empty(), "");
m_localVariables[&_declaration].pop_back();
if (m_localVariables[&_declaration].empty())
m_localVariables.erase(&_declaration);
}
eth::Assembly const& CompilerContext::compiledContract(const ContractDefinition& _contract) const
@@ -204,7 +205,8 @@ unsigned CompilerContext::baseStackOffsetOfVariable(Declaration const& _declarat
{
auto res = m_localVariables.find(&_declaration);
solAssert(res != m_localVariables.end(), "Variable not found on stack.");
return res->second;
solAssert(!res->second.empty(), "");
return res->second.back();
}
unsigned CompilerContext::baseToCurrentStackOffset(unsigned _baseOffset) const
libsolidity/codegen/CompilerContext.h
+4 -1
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@@ -272,7 +272,10 @@ private:
/// Storage offsets of state variables
std::map<Declaration const*, std::pair<u256, unsigned>> m_stateVariables;
/// Offsets of local variables on the stack (relative to stack base).
std::map<Declaration const*, unsigned> m_localVariables;
/// This needs to be a stack because if a modifier contains a local variable and this
/// modifier is applied twice, the position of the variable needs to be restored
/// after the nested modifier is left.
std::map<Declaration const*, std::vector<unsigned>> m_localVariables;
/// List of current inheritance hierarchy from derived to base.
std::vector<ContractDefinition const*> m_inheritanceHierarchy;
/// Stack of current visited AST nodes, used for location attachment