void ClassCheck::checkInterfaceVars(
const ClassDefPtr& pClassDef,
const InterfaceDefPtr& pInterfaceDef,
const StaticContextPtr& pRootCtx,
const LogPtr& pLog) const
{
const list<VariableDeclDefPtr>& classVars = pClassDef->getVariableDecls();
const list<VariableDeclDefPtr>& ifaceVars = pInterfaceDef->getVariableDecls();
map<const wstring, VariableDeclDefPtr> classVarsMap;
map<const wstring, VariableDeclDefPtr>::const_iterator mit;
list<VariableDeclDefPtr>::const_iterator cit;
for (cit = classVars.begin(); cit != classVars.end(); cit++)
{
const VariableDeclDefPtr& pVariableDecl = *cit;
classVarsMap[pVariableDecl->getName()] = pVariableDecl;
}
list<VariableDeclDefPtr>::const_iterator iit;
for (iit = ifaceVars.begin(); iit != ifaceVars.end(); iit++)
{
const VariableDeclDefPtr& pIfaceVariableDecl = *iit;
const wstring& variableName = pIfaceVariableDecl->getName();
if ((mit = classVarsMap.find(variableName)) == classVarsMap.end())
{
boost::wformat f(L"Variable %1% defined on interface %2% not found in class.");
f % variableName % pInterfaceDef->getClassName();
pLog->log(*pClassDef, msg::ErrAnaClassDef_MissingIfaceVar, f.str());
continue;
}
const VariableDeclDefPtr& pClassVariableDecl = (*mit).second;
if (pIfaceVariableDecl->isStatic() != pClassVariableDecl->isStatic())
{
boost::wformat f(L"Variable %1% has invalid scope. See interface %2%");
f % variableName % pInterfaceDef->getClassName();
pLog->log(*pClassVariableDecl, msg::ErrAnaClassDef_IfaceVarWrongScope, f.str());
continue;
}
if (!SemanticAnalysis::isTypeAssignableFrom(
pClassVariableDecl->getDeclaredType(),
pIfaceVariableDecl->getDeclaredType(),
pRootCtx))
{
boost::wformat f(L"Can't convert from %1% to %2% at class variable %3% defined on interface %4%");
f % pIfaceVariableDecl->getDeclaredType()->toString()%
pClassVariableDecl->getDeclaredType()->toString() %
variableName %
pInterfaceDef->getClassName();
pLog->log(*pClassVariableDecl, msg::ErrAnaClassDef_IfaceVarIncompTypes, f.str());
continue;
}
}
}
void ClassCheck::doCheck(
const StaticContextPtr& pRootCtx,
const ASTNodePtr& pNode,
const LogPtr& pLog) const
{
if (pNode->getASTNodeType() != ASTN_CLASS)
{
return;
}
ClassDefPtr pClassDef = boost::static_pointer_cast<ClassDef>(pNode);
const list<const wstring>& ifaces = pClassDef->getImplementedInterfaces();
list<const wstring>::const_iterator it;
for (it = ifaces.begin(); it != ifaces.end(); it++)
{
const wstring& ifaceName = *it;
CStaticContextEntryPtr pEntry;
InterfaceDefPtr pInterfaceDef;
if (!pRootCtx->lookup(ifaceName, pEntry))
{
boost::wformat f(L"Interface %1% not found.");
f % ifaceName;
pLog->log(*pClassDef, msg::ErrAnaClassDef_IfaceNotFound, f.str());
continue;
}
else if (!pEntry->getInterface(pInterfaceDef))
{
boost::wformat f(L"%1% is not an interface.");
f % ifaceName;
pLog->log(*pClassDef, msg::ErrAnaClassDef_NotAnIface, f.str());
continue;
}
checkInterfaceParams(pClassDef, pInterfaceDef, pRootCtx, pLog);
checkInterfaceVars(pClassDef, pInterfaceDef, pRootCtx, pLog);
}
const list<VariableDeclDefPtr>& vars = pClassDef->getVariableDecls();
list<VariableDeclDefPtr>::const_iterator vit;
for (vit = vars.begin(); vit != vars.end(); vit++)
{
const VariableDeclDefPtr& pVar = *vit;
if (pVar->getValue().get() == NULL)
{
boost::wformat f(L"Unassigned class variable %1%.");
f % pVar->getName();
pLog->log(*pClassDef, msg::ErrAnaClassDef_UnassignedClassVar, f.str());
continue;
}
}
}
bool TypeInference::followPathElement(
const Type& currentType,
const StaticContext& rootCtx,
const wstring& pathElement,
TypePtr& pNextType)
{
boolean isObject = false;
switch (currentType.getBasicType())
{
case FLOAT_B_TYPE:
case INTEGER_B_TYPE:
case STRING_B_TYPE:
case ARRAY_B_TYPE:
{
return false;
}
case OBJECT_B_TYPE:
case CLASS_B_TYPE:
{
const ReferenceType& refType = static_cast<const ReferenceType&>(currentType);
const wstring& className = refType.getReferenceTypeName();
CStaticContextEntryPtr pEntry;
if (!rootCtx.lookup(className, pEntry))
{
return false;
}
list<VariableDeclDefPtr> varsDecls;
if (pEntry->getStaticEntryType() == CLASS_DEF_CTX_ENTRY)
{
ClassDefPtr pClassDefEntry;
pEntry->getClass(pClassDefEntry);
varsDecls = pClassDefEntry->getVariableDecls();
}
else if (pEntry->getStaticEntryType() == INTERFACE_DEF_CTX_ENTRY)
{
InterfaceDefPtr pInterfaceDefEntry;
pEntry->getInterface(pInterfaceDefEntry);
varsDecls = pInterfaceDefEntry->getVariableDecls();
}
else
{
return false;
}
bool isObject = (refType.getBasicType() == OBJECT_REF_TYPE);
list<VariableDeclDefPtr>::const_iterator it;
for (it = varsDecls.begin(); it != varsDecls.end(); it++)
{
VariableDeclDefPtr varDecl = *it;
if (varDecl->getName() == pathElement)
{
if (isObject && varDecl->isStatic())
{
return false;
}
else if (!isObject && !varDecl->isStatic())
{
return false;
}
pNextType = varDecl->getDeclaredType();
return true;
}
}
}
break;
default:
assert(false);
}
return false;
}