TypePtr NewObjectExpression::inferTypes(AnalysisResultPtr ar, TypePtr type,
bool coerce) {
reset();
m_classScope.reset();
FunctionScopePtr prev = m_funcScope;
m_funcScope.reset();
ConstructPtr self = shared_from_this();
if (!m_name.empty() && !isStatic()) {
ClassScopePtr cls = resolveClass();
m_name = m_className;
if (!cls) {
if (isRedeclared()) {
getScope()->getVariables()->
setAttribute(VariableTable::NeedGlobalPointer);
} else if (getScope()->isFirstPass()) {
Compiler::Error(Compiler::UnknownClass, self);
}
if (m_params) m_params->inferAndCheck(ar, Type::Any, false);
return Type::Object;
}
if (cls->isVolatile() && !isPresent()) {
getScope()->getVariables()->
setAttribute(VariableTable::NeedGlobalPointer);
}
m_dynamic = cls->derivesFromRedeclaring();
bool valid = true;
FunctionScopePtr func = cls->findConstructor(ar, true);
if (!func) {
if (m_params) {
if (!m_dynamic && m_params->getCount()) {
if (getScope()->isFirstPass()) {
Compiler::Error(Compiler::BadConstructorCall, self);
}
m_params->setOutputCount(0);
}
m_params->inferAndCheck(ar, Type::Some, false);
}
} else {
if (func != prev) func->addCaller(getScope());
m_extraArg = func->inferParamTypes(ar, self, m_params,
valid);
m_variableArgument = func->isVariableArgument();
}
if (valid) {
m_classScope = cls;
m_funcScope = func;
}
if (!valid || m_dynamic) {
m_implementedType = Type::Object;
} else {
m_implementedType.reset();
}
return Type::CreateObjectType(m_name);
} else {
ar->containsDynamicClass();
if (m_params) {
m_params->markParams(canInvokeFewArgs());
}
}
m_implementedType.reset();
m_nameExp->inferAndCheck(ar, Type::String, false);
if (m_params) m_params->inferAndCheck(ar, Type::Any, false);
return Type::Object;
}
TypePtr ObjectMethodExpression::inferAndCheck(AnalysisResultPtr ar,
TypePtr type, bool coerce) {
reset();
ConstructPtr self = shared_from_this();
TypePtr objectType = m_object->inferAndCheck(ar, Type::Object, false);
m_valid = true;
m_bindClass = true;
if (m_name.empty()) {
m_nameExp->inferAndCheck(ar, Type::String, false);
setInvokeParams(ar);
// we have to use a variant to hold dynamic value
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
ClassScopePtr cls;
if (objectType && !objectType->getName().empty()) {
if (m_classScope && !strcasecmp(objectType->getName().c_str(),
m_classScope->getName().c_str())) {
cls = m_classScope;
} else {
cls = ar->findExactClass(shared_from_this(), objectType->getName());
}
}
if (!cls) {
if (getScope()->isFirstPass()) {
// call resolveClass to mark functions as dynamic
// but we cant do anything else with the result.
resolveClass(ar, m_name);
if (!ar->classMemberExists(m_name, AnalysisResult::MethodName)) {
Compiler::Error(Compiler::UnknownObjectMethod, self);
}
}
m_classScope.reset();
m_funcScope.reset();
setInvokeParams(ar);
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
if (m_classScope != cls) {
m_classScope = cls;
m_funcScope.reset();
}
FunctionScopePtr func = m_funcScope;
if (!func) {
func = cls->findFunction(ar, m_name, true, true);
if (!func) {
if (!cls->hasAttribute(ClassScope::HasUnknownMethodHandler, ar)) {
if (ar->classMemberExists(m_name, AnalysisResult::MethodName)) {
setDynamicByIdentifier(ar, m_name);
} else {
Compiler::Error(Compiler::UnknownObjectMethod, self);
}
}
m_valid = false;
setInvokeParams(ar);
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
m_funcScope = func;
func->addCaller(getScope());
}
bool valid = true;
m_bindClass = func->isStatic();
// use $this inside a static function
if (m_object->isThis()) {
FunctionScopePtr localfunc = getFunctionScope();
if (localfunc->isStatic()) {
if (getScope()->isFirstPass()) {
Compiler::Error(Compiler::MissingObjectContext, self);
}
valid = false;
}
}
// invoke() will return Variant
if (!m_object->getType()->isSpecificObject() ||
(func->isVirtual() && !func->isPerfectVirtual())) {
valid = false;
}
if (!valid) {
setInvokeParams(ar);
checkTypesImpl(ar, type, Type::Variant, coerce);
m_valid = false; // so we use invoke() syntax
func->setDynamic();
return m_actualType;
}
return checkParamsAndReturn(ar, type, coerce, func, false);
}
TypePtr ObjectMethodExpression::inferAndCheck(AnalysisResultPtr ar,
TypePtr type, bool coerce) {
assert(type);
IMPLEMENT_INFER_AND_CHECK_ASSERT(getScope());
resetTypes();
reset();
ConstructPtr self = shared_from_this();
TypePtr objectType = m_object->inferAndCheck(ar, Type::Some, false);
m_valid = true;
m_bindClass = true;
if (m_name.empty()) {
m_nameExp->inferAndCheck(ar, Type::Some, false);
setInvokeParams(ar);
// we have to use a variant to hold dynamic value
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
ClassScopePtr cls;
if (objectType && !objectType->getName().empty()) {
if (m_classScope && !strcasecmp(objectType->getName().c_str(),
m_classScope->getName().c_str())) {
cls = m_classScope;
} else {
cls = ar->findExactClass(shared_from_this(), objectType->getName());
}
}
if (!cls) {
m_classScope.reset();
m_funcScope.reset();
m_valid = false;
setInvokeParams(ar);
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
if (m_classScope != cls) {
m_classScope = cls;
m_funcScope.reset();
}
FunctionScopePtr func = m_funcScope;
if (!func) {
func = cls->findFunction(ar, m_name, true, true);
if (!func) {
if (!cls->isTrait() &&
!cls->getAttribute(ClassScope::MayHaveUnknownMethodHandler) &&
!cls->getAttribute(ClassScope::HasUnknownMethodHandler) &&
!cls->getAttribute(ClassScope::InheritsUnknownMethodHandler)) {
if (ar->classMemberExists(m_name, AnalysisResult::MethodName)) {
if (!Option::AllDynamic) {
setDynamicByIdentifier(ar, m_name);
}
} else {
Compiler::Error(Compiler::UnknownObjectMethod, self);
}
}
m_valid = false;
setInvokeParams(ar);
return checkTypesImpl(ar, type, Type::Variant, coerce);
}
m_funcScope = func;
func->addCaller(getScope(), !type->is(Type::KindOfAny));
}
bool valid = true;
m_bindClass = func->isStatic();
// use $this inside a static function
if (m_object->isThis()) {
FunctionScopePtr localfunc = getFunctionScope();
if (localfunc->isStatic()) {
if (getScope()->isFirstPass()) {
Compiler::Error(Compiler::MissingObjectContext, self);
}
valid = false;
}
}
// invoke() will return Variant
if (cls->isInterface() ||
(func->isVirtual() &&
(!Option::WholeProgram || func->isAbstract() ||
(func->hasOverride() && cls->getAttribute(ClassScope::NotFinal))) &&
!func->isPerfectVirtual())) {
valid = false;
}
if (!valid) {
setInvokeParams(ar);
checkTypesImpl(ar, type, Type::Variant, coerce);
m_valid = false; // so we use invoke() syntax
if (!Option::AllDynamic) {
func->setDynamic();
}
assert(m_actualType);
return m_actualType;
}
assert(func);
return checkParamsAndReturn(ar, type, coerce, func, false);
}
