void NewObjectExpression::outputCPPImpl(CodeGenerator &cg,
AnalysisResultPtr ar) {
string &cname = (m_origName == "self" || m_origName == "parent") ?
m_name : m_origName;
bool outsideClass = !ar->checkClassPresent(shared_from_this(), m_origName);
if (!m_name.empty() && !m_redeclared && m_validClass && !m_dynamic) {
ClassScopePtr cls = ar->resolveClass(shared_from_this(), m_name);
ASSERT(cls);
if (m_receiverTemp.empty()) {
if (outsideClass) {
cls->outputVolatileCheckBegin(cg, ar, getScope(), cname);
}
cg_printf("%s%s((NEWOBJ(%s%s)())->create(",
Option::SmartPtrPrefix, cls->getId(cg).c_str(),
Option::ClassPrefix, cls->getId(cg).c_str());
} else {
cg_printf("(%s->create(", m_receiverTemp.c_str());
}
FunctionScopePtr dummy;
FunctionScope::OutputCPPArguments(m_params, dummy, cg, ar, m_extraArg,
m_variableArgument, m_argArrayId,
m_argArrayHash, m_argArrayIndex);
if (m_receiverTemp.empty()) {
cg_printf("))");
if (outsideClass) {
cls->outputVolatileCheckEnd(cg);
}
} else {
cg_printf(")");
if (!isUnused()) {
cg_printf(", %s", m_receiverTemp.c_str());
}
cg_printf(")");
}
} else {
bool wrap = false;
wrap = m_actualType && m_actualType->is(Type::KindOfVariant) &&
!m_expectedType && !m_implementedType;
if (wrap) {
cg_printf("((Variant)");
}
cg_printf("id(obj%d)", m_objectTemp);
if (wrap) {
cg_printf(")");
}
}
}
void ObjectMethodExpression::outputCPPObjectCall(CodeGenerator &cg,
AnalysisResultPtr ar) {
outputCPPObject(cg, ar);
bool isThis = m_object->isThis();
if (!isThis) {
if (directVariantProxy(ar) && !m_object->hasCPPTemp()) {
if (m_bindClass) {
cg_printf(". BIND_CLASS_DOT ");
} else {
cg_printf(".");
}
} else {
string objType;
TypePtr type = m_object->getType();
if (type->isSpecificObject() && !m_name.empty() && m_valid) {
objType = type->getName();
ClassScopePtr cls = ar->findClass(objType);
objType = cls->getId(cg);
} else {
objType = "ObjectData";
}
if (m_bindClass) {
cg_printf("-> BIND_CLASS_ARROW(%s) ", objType.c_str());
} else {
cg_printf("->");
}
}
} else if (m_bindClass && m_classScope) {
cg_printf(" BIND_CLASS_ARROW(%s) ", m_classScope->getId(cg).c_str());
}
}
void SimpleVariable::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
if (m_this) {
ASSERT((getContext() & ObjectContext) == 0);
if (hasContext(OprLValue) || hasContext(AssignmentLHS)) {
cg_printf("throw_assign_this()");
} else if (hasContext(DeepOprLValue) ||
hasContext(DeepAssignmentLHS) ||
hasContext(LValue)) {
// $this[] op= ...; or $this[] = ...
cg_printf("Variant(GET_THIS())");
} else {
ClassScopePtr cls = getOriginalClass();
if (cls->derivedByDynamic()) {
cg_printf("Object(GET_THIS())");
} else {
cg_printf("GET_THIS_TYPED(%s)", cls->getId(cg).c_str());
}
}
} else if (m_superGlobal) {
VariableTablePtr variables = getScope()->getVariables();
string name = variables->getGlobalVariableName(cg, ar, m_name);
cg_printf("g->%s", name.c_str());
} else if (m_globals) {
cg_printf("get_global_array_wrapper()");
} else {
const char *prefix =
getScope()->getVariables()->getVariablePrefix(m_sym);
cg_printf("%s%s", prefix, cg.formatLabel(m_name).c_str());
}
}
void ObjectPropertyExpression::outputCPPValidObject(CodeGenerator &cg,
AnalysisResultPtr ar,
bool guarded) {
TypePtr act;
bool close = false;
if (!m_object->hasCPPTemp() && m_object->getImplementedType() &&
!Type::SameType(m_object->getImplementedType(),
m_object->getActualType())) {
act = m_object->getActualType();
m_object->setActualType(m_object->getImplementedType());
if (guarded) {
ClassScopePtr cls = ar->findExactClass(shared_from_this(),
act->getName());
cg_printf("((%s%s*)", Option::ClassPrefix, cls->getId().c_str());
close = true;
}
}
m_object->outputCPP(cg, ar);
if (act) {
if (m_object->getImplementedType()->is(Type::KindOfObject)) {
cg_printf(".get()");
} else {
cg_printf(".getObjectData%s()", guarded ? "" : "OrNull");
}
if (close) cg_printf(")");
m_object->setActualType(act);
} else {
cg_printf(".get()");
}
}
bool ObjectPropertyExpression::outputCPPObject(CodeGenerator &cg,
AnalysisResultPtr ar,
bool noEvalOnError) {
if (m_object->isThis()) {
if (m_valid) {
if (!m_object->getOriginalClass()) {
m_valid = false;
} else {
FunctionScopeRawPtr fs = m_object->getOriginalFunction();
if (!fs || fs->isStatic()) {
m_valid = false;
} else if (m_object->getOriginalClass() != getClassScope() &&
m_object->getOriginalClass()->isRedeclaring()) {
m_valid = false;
}
}
}
if (!m_valid) {
cg_printf("GET_THIS_DOT()");
}
} else if (m_valid) {
TypePtr act;
if (!m_object->hasCPPTemp() && m_object->getImplementedType() &&
!Type::SameType(m_object->getImplementedType(),
m_object->getActualType())) {
act = m_object->getActualType();
m_object->setActualType(m_object->getImplementedType());
ClassScopePtr cls = ar->findExactClass(shared_from_this(),
act->getName());
cg_printf("((%s%s*)", Option::ClassPrefix, cls->getId(cg).c_str());
}
m_object->outputCPP(cg, ar);
if (act) {
if (m_object->getImplementedType()->is(Type::KindOfObject)) {
cg_printf(".get())");
} else {
cg_printf(".getObjectData())");
}
m_object->setActualType(act);
}
cg_printf("->");
} else {
TypePtr t = m_object->getType();
bool ok = t && (t->is(Type::KindOfObject) || t->is(Type::KindOfVariant));
if (noEvalOnError && !ok) {
if (!t || !t->is(Type::KindOfArray)) {
cg_printf("(");
if (m_object->outputCPPUnneeded(cg, ar)) cg_printf(", ");
return true;
}
}
ok = ok || !t;
if (!ok) cg_printf("Variant(");
m_object->outputCPP(cg, ar);
if (!ok) cg_printf(")");
cg_printf(".");
}
return false;
}
void NewObjectExpression::outputCPPImpl(CodeGenerator &cg,
AnalysisResultPtr ar) {
string &cname = isSelf() || isParent() ? m_name : m_origName;
bool outsideClass = !isPresent();
if (!m_name.empty() && m_classScope && !m_dynamic) {
ClassScopePtr cls = m_classScope;
const string& lClassName = cls->getId();
bool skipCreate = cls->canSkipCreateMethod();
if (m_receiverTemp.empty()) {
if (outsideClass) {
cls->outputVolatileCheckBegin(cg, ar, getScope(), cname);
}
cg_printf("%s%s(((%s%s*)%s%s())%s",
Option::SmartPtrPrefix, lClassName.c_str(),
Option::ClassPrefix, lClassName.c_str(),
Option::CreateObjectOnlyPrefix, lClassName.c_str(),
skipCreate ? "" : "->create(");
} else {
cg_printf("((%s%s*)%s.get()%s",
Option::ClassPrefix, lClassName.c_str(),
m_receiverTemp.c_str(),
skipCreate ? "" : "->create(");
}
if (skipCreate) {
ASSERT(!m_params || m_params->getOutputCount() == 0);
} else {
FunctionScope::OutputCPPArguments(m_params, m_funcScope, cg, ar,
m_extraArg, m_variableArgument,
m_argArrayId, m_argArrayHash,
m_argArrayIndex);
}
if (m_receiverTemp.empty()) {
cg_printf(skipCreate ? ")" : "))");
if (outsideClass) {
cls->outputVolatileCheckEnd(cg);
}
} else {
if (!skipCreate) cg_printf(")");
if (!isUnused()) {
cg_printf(", %s", m_receiverTemp.c_str());
}
cg_printf(")");
}
} else {
bool wrap = false;
wrap = m_actualType && m_actualType->is(Type::KindOfVariant) &&
!m_expectedType && !m_implementedType;
if (wrap) {
cg_printf("((Variant)");
}
cg_printf("id(obj%d)", m_objectTemp);
if (wrap) {
cg_printf(")");
}
}
}
void ClassStatement::outputJavaFFICPPCreator(CodeGenerator &cg,
AnalysisResultPtr ar,
FunctionScopePtr cons) {
ClassScopePtr cls = m_classScope.lock();
string packageName = Option::JavaFFIRootPackage;
int ac = cons ? cons->getMaxParamCount() : 0;
bool varArgs = cons && cons->isVariableArgument();
const char *clsName = getOriginalName().c_str();
string mangledName = "Java_" + packageName + "_" + clsName + "_create";
Util::replaceAll(mangledName, ".", "_");
cg.printf("JNIEXPORT jlong JNICALL\n");
cg.printf("%s(JNIEnv *env, jclass cls", mangledName.c_str());
ostringstream args;
bool first = true;
if (varArgs) {
args << ac << " + (((Variant *)va)->isNull() ? 0"
<< " : ((Variant *)va)->getArrayData()->size())";
first = false;
}
for (int i = 0; i < ac; i++) {
if (first) first = false;
else {
args << ", ";
}
cg.printf(", jlong a%d", i);
args << "*(Variant *)a" << i;
}
if (varArgs) {
if (!first) {
args << ", ";
}
cg.printf(", jlong va");
args << "((Variant *)va)->toArray()";
}
if (cg.getContext() == CodeGenerator::JavaFFICppDecl) {
// java_stubs.h
cg.printf(");\n\n");
return;
}
cg.indentBegin(") {\n");
cg.printf("ObjectData *obj = ");
cg.printf("(NEW(%s%s)())->create(%s);\n",
Option::ClassPrefix, cls->getId().c_str(), args.str().c_str());
cg.printf("obj->incRefCount();\n");
cg.printf("return (jlong)(NEW(Variant)(obj));\n");
cg.indentEnd("}\n\n");
}
void FunctionScope::outputCPPCreateImpl(CodeGenerator &cg,
AnalysisResultPtr ar) {
ClassScopePtr scope = ar->getClassScope();
string clsNameStr = scope->getId(cg);
const char *clsName = clsNameStr.c_str();
const char *consName = scope->classNameCtor() ? scope->getName().c_str()
: "__construct";
cg_printf("%s%s *%s%s::create(",
Option::ClassPrefix, clsName, Option::ClassPrefix, clsName);
outputCPPParamsImpl(cg, ar);
cg_indentBegin(") {\n");
cg_printf("CountableHelper h(this);\n");
cg_printf("init();\n");
cg_printf("%s%s(", Option::MethodPrefix, consName);
outputCPPParamsCall(cg, ar, false);
cg_printf(");\n");
cg_printf("return this;\n");
cg_indentEnd("}\n");
cg_indentBegin("ObjectData *%s%s::dynCreate(CArrRef params, "
"bool construct /* = true */) {\n",
Option::ClassPrefix, clsName);
cg_printf("init();\n");
cg_indentBegin("if (construct) {\n");
cg_printf("CountableHelper h(this);\n");
OutputCPPDynamicInvokeCount(cg);
outputCPPDynamicInvoke(cg, ar, Option::MethodPrefix,
cg.formatLabel(consName).c_str(),
true, false, false, NULL, true);
cg_indentEnd("}\n");
cg_printf("return this;\n");
cg_indentEnd("}\n");
if (isDynamic() || isSepExtension()) {
cg_indentBegin("void %s%s::dynConstruct(CArrRef params) {\n",
Option::ClassPrefix, clsName);
OutputCPPDynamicInvokeCount(cg);
outputCPPDynamicInvoke(cg, ar, Option::MethodPrefix,
cg.formatLabel(consName).c_str(),
true, false, false, NULL, true);
cg_indentEnd("}\n");
if (cg.getOutput() == CodeGenerator::SystemCPP ||
Option::EnableEval >= Option::LimitedEval) {
cg_indentBegin("void %s%s::dynConstructFromEval("
"Eval::VariableEnvironment &env, "
"const Eval::FunctionCallExpression *caller) {\n",
Option::ClassPrefix, clsName);
outputCPPEvalInvoke(cg, ar, Option::MethodPrefix,
cg.formatLabel(consName).c_str(), NULL, false);
cg_indentEnd("}\n");
}
}
}
void ConstantTable::outputCPPDynamicDecl(CodeGenerator &cg,
AnalysisResultPtr ar) {
const char *prefix = Option::ConstantPrefix;
string classId;
const char *fmt = "Variant %s%s%s;\n";
ClassScopePtr scope = ar->getClassScope();
if (scope) {
prefix = Option::ClassConstantPrefix;
classId = scope->getId();
fmt = "Variant %s%s_%s;\n";
}
for (StringToConstructPtrMap::const_iterator iter = m_declarations.begin();
iter != m_declarations.end(); ++iter) {
const string &name = iter->first;
if (isDynamic(name)) {
cg.printf(fmt, prefix, classId.c_str(), name.c_str());
}
}
}
void ConstantTable::outputCPPDynamicDecl(CodeGenerator &cg,
AnalysisResultPtr ar) {
const char *prefix = Option::ConstantPrefix;
string classId;
const char *fmt = "Variant %s%s%s;\n";
ClassScopePtr scope = ar->getClassScope();
if (scope) {
prefix = Option::ClassConstantPrefix;
classId = scope->getId(cg);
fmt = "Variant %s%s_%s;\n";
}
for (StringToSymbolMap::iterator iter = m_symbolMap.begin(),
end = m_symbolMap.end(); iter != end; ++iter) {
Symbol *sym = &iter->second;
if (sym->declarationSet() && sym->isDynamic()) {
cg_printf(fmt, prefix, classId.c_str(),
cg.formatLabel(sym->getName()).c_str());
}
}
}
void FunctionScope::outputCPPCreateDecl(CodeGenerator &cg,
AnalysisResultPtr ar) {
ClassScopePtr scope = ar->getClassScope();
cg.printf("public: %s%s *create(",
Option::ClassPrefix, scope->getId().c_str());
outputCPPParamsDecl(cg, ar,
dynamic_pointer_cast<MethodStatement>(getStmt())
->getParams(), true);
cg.printf(");\n");
cg.printf("public: ObjectData *dynCreate(CArrRef params, bool init = true);"
"\n");
if (isDynamic()) {
cg.printf("public: void dynConstruct(CArrRef params);\n");
if (cg.getOutput() == CodeGenerator::SystemCPP ||
Option::EnableEval >= Option::LimitedEval) {
cg.printf("public: void dynConstructFromEval(Eval::VariableEnvironment "
"&env, const Eval::FunctionCallExpression *call);\n");
}
}
}
void ConstantTable::outputCPPDynamicDecl(CodeGenerator &cg,
AnalysisResultPtr ar,
Type2SymbolListMap &type2names) {
const char *prefix = Option::ConstantPrefix;
string classId;
const char *fmt = "";
ClassScopePtr scope = getClassScope();
if (scope) {
prefix = Option::ClassConstantPrefix;
classId = scope->getId(cg);
fmt = "_";
}
bool system = cg.getOutput() == CodeGenerator::SystemCPP;
SymbolList &symbols = type2names["Variant"];
BOOST_FOREACH(Symbol *sym, m_symbolVec) {
if (sym->declarationSet() && sym->isDynamic() &&
system == sym->isSystem()) {
symbols.push_back(string(prefix) + classId + fmt +
cg.formatLabel(sym->getName()));
}
}
}
void ClassVariable::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopePtr scope = ar->getClassScope();
bool derivFromRedec = scope->derivesFromRedeclaring() &&
!m_modifiers->isPrivate();
for (int i = 0; i < m_declaration->getCount(); i++) {
ExpressionPtr exp = (*m_declaration)[i];
SimpleVariablePtr var;
TypePtr type;
switch (cg.getContext()) {
case CodeGenerator::CppConstructor:
if (m_modifiers->isStatic()) continue;
if (exp->is(Expression::KindOfAssignmentExpression)) {
AssignmentExpressionPtr assignment =
dynamic_pointer_cast<AssignmentExpression>(exp);
var = dynamic_pointer_cast<SimpleVariable>(assignment->getVariable());
ExpressionPtr value = assignment->getValue();
value->outputCPPBegin(cg, ar);
if (derivFromRedec) {
cg_printf("%sset(\"%s\",-1, ", Option::ObjectPrefix,
var->getName().c_str());
value->outputCPP(cg, ar);
cg_printf(")");
} else {
cg_printf("%s%s = ", Option::PropertyPrefix, var->getName().c_str());
value->outputCPP(cg, ar);
}
cg_printf(";\n");
value->outputCPPEnd(cg, ar);
} else {
var = dynamic_pointer_cast<SimpleVariable>(exp);
if (derivFromRedec) {
cg_printf("%sset(\"%s\",-1, null);\n", Option::ObjectPrefix,
var->getName().c_str());
} else {
type = scope->getVariables()->getFinalType(var->getName());
const char *initializer = type->getCPPInitializer();
if (initializer) {
cg_printf("%s%s = %s;\n", Option::PropertyPrefix,
var->getName().c_str(), initializer);
}
}
}
break;
case CodeGenerator::CppStaticInitializer:
{
if (!m_modifiers->isStatic()) continue;
VariableTablePtr variables = scope->getVariables();
if (exp->is(Expression::KindOfAssignmentExpression)) {
AssignmentExpressionPtr assignment =
dynamic_pointer_cast<AssignmentExpression>(exp);
var = dynamic_pointer_cast<SimpleVariable>
(assignment->getVariable());
ExpressionPtr value = assignment->getValue();
if (value->containsDynamicConstant(ar)) continue;
cg_printf("g->%s%s%s%s = ",
Option::StaticPropertyPrefix, scope->getId(cg).c_str(),
Option::IdPrefix.c_str(), var->getName().c_str());
value->outputCPP(cg, ar);
} else {
var = dynamic_pointer_cast<SimpleVariable>(exp);
type = scope->getVariables()->getFinalType(var->getName());
const char *initializer = type->getCPPInitializer();
if (initializer) {
cg_printf("g->%s%s%s%s = %s",
Option::StaticPropertyPrefix, scope->getId(cg).c_str(),
Option::IdPrefix.c_str(), var->getName().c_str(),
initializer);
}
}
cg_printf(";\n");
}
break;
case CodeGenerator::CppLazyStaticInitializer:
{
if (!m_modifiers->isStatic()) continue;
if (!exp->is(Expression::KindOfAssignmentExpression)) continue;
VariableTablePtr variables = scope->getVariables();
AssignmentExpressionPtr assignment =
dynamic_pointer_cast<AssignmentExpression>(exp);
var = dynamic_pointer_cast<SimpleVariable>(assignment->getVariable());
ExpressionPtr value = assignment->getValue();
if (!value->containsDynamicConstant(ar)) continue;
value->outputCPPBegin(cg, ar);
cg_printf("g->%s%s%s%s = ",
Option::StaticPropertyPrefix, scope->getId(cg).c_str(),
Option::IdPrefix.c_str(), var->getName().c_str());
value->outputCPP(cg, ar);
cg_printf(";\n");
value->outputCPPEnd(cg, ar);
}
break;
default:
break;
}
}
}
void MethodStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
FunctionScopePtr funcScope = m_funcScope.lock();
ClassScopePtr scope = ar->getClassScope();
string origFuncName;
ar->pushScope(funcScope);
if (outputFFI(cg, ar)) return;
cg.setPHPLineNo(-1);
if (cg.getContext() == CodeGenerator::CppImplementation) {
printSource(cg);
}
switch (cg.getContext()) {
case CodeGenerator::CppDeclaration:
{
if (!m_stmt) {
cg.printf("// ");
}
m_modifiers->outputCPP(cg, ar);
if (m_name == "__offsetget_lval") {
cg.printf("virtual ");
}
TypePtr type = funcScope->getReturnType();
if (type) {
type->outputCPPDecl(cg, ar);
} else {
cg.printf("void");
}
if (m_name == "__lval") {
cg.printf(" &___lval(");
} else if (m_name == "__offsetget_lval") {
cg.printf(" &___offsetget_lval(");
} else if (m_modifiers->isStatic() && m_stmt) {
// Static method wrappers get generated as support methods
cg.printf(" %s%s(const char* cls%s", Option::MethodImplPrefix,
m_name.c_str(),
funcScope->isVariableArgument() ||
(m_params && m_params->getCount()) ? ", " : "");
} else {
cg.printf(" %s%s(", Option::MethodPrefix, m_name.c_str());
}
funcScope->outputCPPParamsDecl(cg, ar, m_params, true);
if (m_stmt) {
cg.printf(");\n");
} else {
cg.printf(") = 0;\n");
}
if (funcScope->isConstructor(scope)
&& !funcScope->isAbstract() && !scope->isInterface()) {
funcScope->outputCPPCreateDecl(cg, ar);
}
}
break;
case CodeGenerator::CppImplementation:
if (m_stmt) {
TypePtr type = funcScope->getReturnType();
if (type) {
type->outputCPPDecl(cg, ar);
} else {
cg.printf("void");
}
origFuncName = std::string(scope->getOriginalName()) +
"::" + m_originalName;
if (Option::HotFunctions.find(origFuncName) !=
Option::HotFunctions.end()) {
cg.printf(" __attribute((__section__(\".text.hot\")))");
} else if (Option::ColdFunctions.find(origFuncName) !=
Option::ColdFunctions.end()) {
cg.printf(" __attribute((__section__(\".text.cold\")))");
}
if (m_name == "__lval") {
cg.printf(" &%s%s::___lval(",
Option::ClassPrefix, scope->getId().c_str());
} else if (m_name == "__offsetget_lval") {
cg.printf(" &%s%s::___offsetget_lval(",
Option::ClassPrefix, scope->getId().c_str());
} else if (m_modifiers->isStatic()) {
cg.printf(" %s%s::%s%s(const char* cls%s", Option::ClassPrefix,
scope->getId().c_str(),
Option::MethodImplPrefix, m_name.c_str(),
funcScope->isVariableArgument() ||
(m_params && m_params->getCount()) ? ", " : "");
} else {
cg.printf(" %s%s::%s%s(", Option::ClassPrefix, scope->getId().c_str(),
Option::MethodPrefix, m_name.c_str());
}
funcScope->outputCPPParamsDecl(cg, ar, m_params, false);
cg.indentBegin(") {\n");
if (m_modifiers->isStatic()) {
cg.printf("STATIC_METHOD_INJECTION(%s, %s::%s);\n",
scope->getOriginalName(), scope->getOriginalName(),
m_originalName.c_str());
} else {
cg.printf("INSTANCE_METHOD_INJECTION(%s, %s::%s);\n",
scope->getOriginalName(), scope->getOriginalName(),
m_originalName.c_str());
}
if (Option::GenRTTIProfileData && m_params) {
for (int i = 0; i < m_params->getCount(); i++) {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*m_params)[i]);
if (param->hasRTTI()) {
const string ¶mName = param->getName();
int id = ar->getParamRTTIEntryId(ar->getClassScope(), funcScope,
paramName);
if (id != -1) {
cg.printf("RTTI_INJECTION(%s%s, %d);\n",
Option::VariablePrefix, paramName.c_str(), id);
}
}
}
}
if (m_name == "__lval" || m_name == "__offsetget_lval") {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*m_params)[0]);
cg.printf("Variant &v = %s->__lvalProxy;\n",
cg.getOutput() == CodeGenerator::SystemCPP ?
"get_system_globals()" : "get_global_variables()");
string lowered = Util::toLower(m_originalName);
cg.printf("v = %s%s(%s%s);\n",
Option::MethodPrefix, lowered.c_str(),
Option::VariablePrefix, param->getName().c_str());
cg.printf("return v;\n");
} else {
if (funcScope->isConstructor(scope)) {
cg.printf("bool oldInCtor = gasInCtor(true);\n");
} else if (m_name == "__destruct") {
cg.printf("setInDtor();\n");
} else if (m_name == "__call") {
ParameterExpressionPtr param;
if (m_params->getCount() > 0) {
param = dynamic_pointer_cast<ParameterExpression>((*m_params)[0]);
cg.printf("INCALL_HELPER(%s%s);\n",
Option::VariablePrefix, param->getName().c_str());
} else {
cg.printf("INCALL_HELPER(\"\");\n");
}
}
funcScope->outputCPP(cg, ar);
cg.setContext(CodeGenerator::NoContext); // no inner functions/classes
if (!funcScope->isStatic() && funcScope->getVariables()->
getAttribute(VariableTable::ContainsDynamicVariable)) {
cg.printf("%sthis = this;\n", Option::VariablePrefix);
}
outputCPPStmt(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
cg.indentEnd("} /* function */\n");
}
break;
default:
break;
}
ar->popScope();
}
void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopeRawPtr classScope = getClassScope();
if (cg.getContext() == CodeGenerator::NoContext) {
if (classScope->isVolatile()) {
string name = cg.formatLabel(m_name);
if (classScope->isRedeclaring()) {
cg_printf("g->%s%s = ClassStaticsPtr(NEWOBJ(%s%s)());\n",
Option::ClassStaticsObjectPrefix,
name.c_str(),
Option::ClassStaticsPrefix, classScope->getId(cg).c_str());
cg_printf("g->%s%s = &%s%s;\n",
Option::ClassStaticsCallbackPrefix,
name.c_str(),
Option::ClassWrapperFunctionPrefix,
classScope->getId(cg).c_str());
}
cg_printf("g->CDEC(%s) = true;\n", name.c_str());
const vector<string> &bases = classScope->getBases();
for (vector<string>::const_iterator it = bases.begin();
it != bases.end(); ++it) {
if (cg.checkHoistedClass(*it)) continue;
ClassScopePtr base = ar->findClass(*it);
if (base && base->isVolatile()) {
cg_printf("checkClassExists(");
cg_printString(base->getOriginalName(), ar, shared_from_this());
string lname = Util::toLower(base->getOriginalName());
cg_printf(", &%s->CDEC(%s), %s->FVF(__autoload));\n",
cg.getGlobals(ar), cg.formatLabel(lname).c_str(),
cg.getGlobals(ar));
}
}
}
return;
}
if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
printSource(cg);
}
string clsNameStr = classScope->getId(cg);
const char *clsName = clsNameStr.c_str();
bool redeclared = classScope->isRedeclaring();
switch (cg.getContext()) {
case CodeGenerator::CppDeclaration:
{
if (Option::GenerateCPPMacros) {
classScope->outputForwardDeclaration(cg);
}
bool system = cg.getOutput() == CodeGenerator::SystemCPP;
ClassScopePtr parCls;
if (!m_parent.empty()) {
parCls = ar->findClass(m_parent);
if (parCls && parCls->isRedeclaring()) parCls.reset();
}
if (Option::GenerateCppLibCode) {
cg.printDocComment(classScope->getDocComment());
}
cg_printf("class %s%s", Option::ClassPrefix, clsName);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)) {
if (!parCls) {
cg_printf(" : public DynamicObjectData");
} else {
cg_printf(" : public %s%s", Option::ClassPrefix,
parCls->getId(cg).c_str());
}
} else {
if (classScope->derivesFromRedeclaring()) {
cg_printf(" : public DynamicObjectData");
} else if (system) {
cg_printf(" : public ExtObjectData");
} else {
cg_printf(" : public ObjectData");
}
}
if (m_base && Option::UseVirtualDispatch) {
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && !intfClassScope->isRedeclaring() &&
classScope->derivesDirectlyFrom(intf) &&
(!parCls || !parCls->derivesFrom(ar, intf, true, false))) {
string id = intfClassScope->getId(cg);
cg_printf(", public %s%s", Option::ClassPrefix, id.c_str());
}
}
}
cg_indentBegin(" {\n");
cg_printf("public:\n");
cg.printSection("Properties");
classScope->getVariables()->outputCPPPropertyDecl(cg, ar,
classScope->derivesFromRedeclaring());
if (Option::GenerateCppLibCode) {
cg.printSection("Methods");
classScope->outputMethodWrappers(cg, ar);
cg.printSection(">>>>>>>>>> Internal Implementation <<<<<<<<<<");
cg_printf("// NOTE: Anything below is subject to change. "
"Use everything above instead.\n");
}
cg.printSection("Class Map");
if (Option::GenerateCPPMacros) {
cg_printf("virtual bool o_instanceof(CStrRef s) const;\n");
}
if (Option::GenerateCPPMacros) {
bool dyn = (!parCls && !m_parent.empty()) ||
classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared;
bool idyn = parCls && classScope->derivesFromRedeclaring() ==
ClassScope::IndirectFromRedeclared;
bool redec = classScope->isRedeclaring();
if (!classScope->derivesFromRedeclaring()) {
outputCPPClassDecl(cg, ar, clsName, m_originalName.c_str(),
parCls ? parCls->getId(cg).c_str()
: "ObjectData");
} else {
cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s, %s)\n", clsName,
m_originalName.c_str(),
dyn || !parCls ? "DynamicObjectData" :
parCls->getId(cg).c_str());
}
bool hasGet = classScope->getAttribute(
ClassScope::HasUnknownPropGetter);
bool hasSet = classScope->getAttribute(
ClassScope::HasUnknownPropSetter);
bool hasCall = classScope->getAttribute(
ClassScope::HasUnknownMethodHandler);
bool hasCallStatic = classScope->getAttribute(
ClassScope::HasUnknownStaticMethodHandler);
if (dyn || idyn || redec || hasGet || hasSet ||
hasCall || hasCallStatic) {
if (redec && classScope->derivedByDynamic()) {
if (!dyn && !idyn) {
cg_printf("private: ObjectData* root;\n");
cg_printf("public:\n");
cg_printf("virtual ObjectData *getRoot() { return root; }\n");
}
}
string conInit = "";
bool hasParam = false;
if (dyn) {
conInit = " : DynamicObjectData(\"" + m_parent + "\", r)";
hasParam = true;
} else if (idyn) {
conInit = " : " + string(Option::ClassPrefix) + parCls->getId(cg) +
"(r ? r : this)";
hasParam = true;
} else {
if (redec && classScope->derivedByDynamic()) {
conInit = " : root(r ? r : this)";
}
hasParam = true;
}
cg_indentBegin("%s%s(%s)%s {%s",
Option::ClassPrefix, clsName,
hasParam ? "ObjectData* r = NULL" : "",
conInit.c_str(),
hasGet || hasSet || hasCall || hasCallStatic ?
"\n" : "");
if (hasGet) cg_printf("setAttribute(UseGet);\n");
if (hasSet) cg_printf("setAttribute(UseSet);\n");
if (hasCall) cg_printf("setAttribute(HasCall);\n");
if (hasCallStatic) cg_printf("setAttribute(HasCallStatic);\n");
cg_indentEnd("}\n");
}
}
cg_printf("void init();\n");
if (classScope->needLazyStaticInitializer()) {
cg_printf("static GlobalVariables *lazy_initializer"
"(GlobalVariables *g);\n");
}
if (!classScope->getAttribute(ClassScope::HasConstructor)) {
FunctionScopePtr func = classScope->findFunction(ar, "__construct",
false);
if (func && !func->isAbstract() && !classScope->isInterface()) {
func->outputCPPCreateDecl(cg, ar);
}
}
if (classScope->getAttribute(ClassScope::HasDestructor)) {
cg_printf("public: virtual void destruct();\n");
}
// doCall
if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
cg_printf("Variant doCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (classScope->isRedeclaring() &&
!classScope->derivesFromRedeclaring() &&
classScope->derivedByDynamic()) {
cg_printf("Variant doRootCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (m_stmt) m_stmt->outputCPP(cg, ar);
{
set<string> done;
classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
}
if (cg.getOutput() == CodeGenerator::SystemCPP &&
ar->isBaseSysRsrcClass(clsName) &&
!classScope->hasProperty("rsrc")) {
cg_printf("public: Variant %srsrc;\n", Option::PropertyPrefix);
}
if (Option::GenerateCPPMacros) {
classScope->outputCPPJumpTableDecl(cg, ar);
}
cg_indentEnd("};\n");
if (redeclared) {
cg_indentBegin("class %s%s : public ClassStatics {\n",
Option::ClassStaticsPrefix, clsName);
cg_printf("public:\n");
cg_printf("DECLARE_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
cg_printf("%s%s() : ClassStatics(%d) {}\n",
Option::ClassStaticsPrefix, clsName,
classScope->getRedeclaringId());
cg_indentBegin("Variant %sgetInit(CStrRef s) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sgetInit(s);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant %sget(CStrRef s) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sget(s);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant &%slval(CStrRef s) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%slval(s);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Object createOnly(ObjectData* root = NULL) {\n");
cg_printf("Object r((NEWOBJ(%s%s)(root)));\n", Option::ClassPrefix,
clsName);
cg_printf("r->init();\n");
cg_printf("return r;\n");
cg_indentEnd("}\n");
cg_indentBegin("Variant %sconstant(const char* s) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sconstant(s);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("bool %sget_call_info(MethodCallPackage &mcp, "
"int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sget_call_info(mcp, hash);\n",
Option::ClassPrefix, clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentEnd("};\n");
}
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsDecl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppDeclaration);
}
classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
}
break;
case CodeGenerator::CppImplementation:
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsImpl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
classScope->outputCPPSupportMethodsImpl(cg, ar);
if (redeclared) {
cg_printf("IMPLEMENT_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
}
cg_indentBegin("void %s%s::init() {\n",
Option::ClassPrefix, clsName);
if (!m_parent.empty()) {
if (classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared) {
cg_printf("parent->init();\n");
} else {
ClassScopePtr parCls = ar->findClass(m_parent);
cg_printf("%s%s::init();\n", Option::ClassPrefix,
parCls->getId(cg).c_str());
}
}
if (classScope->getVariables()->
getAttribute(VariableTable::NeedGlobalPointer)) {
cg.printDeclareGlobals();
}
cg.setContext(CodeGenerator::CppConstructor);
if (m_stmt) m_stmt->outputCPP(cg, ar);
// This is lame. Exception base class needs to prepare stacktrace outside
// of its PHP constructor. Every subclass of exception also needs this
// stacktrace, so we're adding an artificial __init__ in exception.php
// and calling it here.
if (m_name == "exception") {
cg_printf("{CountableHelper h(this); t___init__();}\n");
}
cg_indentEnd("}\n");
if (classScope->needStaticInitializer()) {
cg_indentBegin("void %s%s::os_static_initializer() {\n",
Option::ClassPrefix, clsName);
cg.printDeclareGlobals();
cg.setContext(CodeGenerator::CppStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg_indentEnd("}\n");
cg_indentBegin("void %s%s() {\n",
Option::ClassStaticInitializerPrefix, clsName);
cg_printf("%s%s::os_static_initializer();\n", Option::ClassPrefix,
clsName);
cg_indentEnd("}\n");
}
if (classScope->needLazyStaticInitializer()) {
cg_indentBegin("GlobalVariables *%s%s::lazy_initializer("
"GlobalVariables *g) {\n", Option::ClassPrefix, clsName);
cg_indentBegin("if (!g->%s%s) {\n",
Option::ClassStaticInitializerFlagPrefix, clsName);
cg_printf("g->%s%s = true;\n", Option::ClassStaticInitializerFlagPrefix,
clsName);
cg.setContext(CodeGenerator::CppLazyStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg_indentEnd("}\n");
cg_printf("return g;\n");
cg_indentEnd("}\n");
}
cg.setContext(CodeGenerator::CppImplementation);
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::JavaFFI:
{
if (classScope->isRedeclaring()) break;
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
// also, uses the original capitalized class name
string clsFile = outputDir + getOriginalName() + ".java";
ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFI);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
printSource(cgCls);
string clsModifier;
switch (m_type) {
case T_CLASS:
break;
case T_ABSTRACT:
clsModifier = "abstract ";
break;
case T_FINAL:
clsModifier = "final ";
break;
}
cgCls.printf("public %sclass %s ", clsModifier.c_str(),
getOriginalName().c_str());
ClassScopePtr parCls;
if (!m_parent.empty()) parCls = ar->findClass(m_parent);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)
&& parCls && parCls->isUserClass() && !parCls->isRedeclaring()) {
// system classes are not supported in static FFI translation
// they shouldn't appear as superclasses as well
cgCls.printf("extends %s", parCls->getOriginalName().c_str());
}
else {
cgCls.printf("extends HphpObject");
}
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" implements ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName().c_str());
}
}
}
cgCls.indentBegin(" {\n");
// constructor for initializing the variant pointer
cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
getOriginalName().c_str());
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
// if not an abstract class and not having an explicit constructor,
// adds a default constructor
outputJavaFFIConstructor(cgCls, ar, cons);
}
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
{
if (classScope->isRedeclaring()) break;
if (m_stmt) m_stmt->outputCPP(cg, ar);
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
outputJavaFFICPPCreator(cg, ar, cons);
}
}
break;
default:
ASSERT(false);
break;
}
}
void FunctionScope::outputCPPDynamicInvoke(CodeGenerator &cg,
AnalysisResultPtr ar,
const char *funcPrefix,
const char *name,
bool voidWrapperOff /* = false */,
bool fewArgs /* = false */,
bool ret /* = true */,
const char *extraArg /* = NULL */,
bool constructor /* = false */) {
const char *voidWrapper = (m_returnType || voidWrapperOff) ? "" : ", null";
const char *retrn = ret ? "return " : "";
int maxParam = fewArgs && m_maxParam > Option::InvokeFewArgsCount ?
Option::InvokeFewArgsCount : m_maxParam;
bool variable = isVariableArgument();
ASSERT(m_minParam >= 0);
bool guarded = outputCPPInvokeArgCountCheck(cg, ar, ret, constructor);
bool do_while = !ret && !fewArgs && maxParam > m_minParam;
if (!fewArgs && maxParam) {
for (int i = 0; i < maxParam; i++) {
if (isRefParam(i)) {
cg_printf("const_cast<Array&>(params).escalate(true);\n");
break;
}
}
if (do_while) cg_printf("do ");
cg_indentBegin("{\n");
cg_printf("ArrayData *ad(params.get());\n");
cg_printf("ssize_t pos = ad ? ad->iter_begin() : "
"ArrayData::invalid_index;\n");
for (int i = 0; i < m_minParam; i++) {
cg_printf("CVarRef arg%d(", i);
if (!guarded) cg_printf("count <= %d ? null_variant : ", i);
cg_printf("%s(ad->getValue%s(pos%s)));\n",
isRefParam(i) ? "ref" : "",
isRefParam(i) ? "Ref" : "",
i ? " = ad->iter_advance(pos)" : "");
}
}
if (variable || getOptionalParamCount()) {
if (!fewArgs || m_minParam < Option::InvokeFewArgsCount) {
cg_printf("if (count <= %d) ", m_minParam);
if (do_while) cg_indentBegin("{\n");
}
}
stringstream callss;
callss << retrn << (m_refReturn ? "ref(" : "(");
if (m_perfectVirtual) {
ClassScopePtr cls = ar->getClassScope();
callss << Option::ClassPrefix << cls->getId(cg) << "::";
}
callss << funcPrefix << name << "(";
if (extraArg) {
callss << extraArg;
if (variable) {
callss << ",";
}
}
if (variable) {
callss << "count";
}
bool preArgs = variable || extraArg;
string call = callss.str();
cg_printf("%s", call.c_str());
for (int i = 0; i < m_minParam; i++) {
if (preArgs || i > 0) cg_printf(", ");
if (isRefParam(i)) {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("ref(a%d)", i);
} else {
cg_printf("null_variant");
}
} else {
cg_printf("arg%d", i);
}
} else {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("a%d", i);
} else {
cg_printf("null");
}
} else {
cg_printf("arg%d", i);
}
}
}
cg_printf(")%s);\n", voidWrapper);
for (int iMax = m_minParam; iMax < maxParam; ) {
if (!ret) {
if (do_while) {
cg_printf("break;\n");
cg_indentEnd("}\n");
} else {
cg_printf("else ");
}
}
if (!fewArgs) {
cg_printf("CVarRef arg%d(%s(ad->getValue%s(pos%s)));\n",
iMax,
isRefParam(iMax) ? "ref" : "",
isRefParam(iMax) ? "Ref" : "",
iMax ? " = ad->iter_advance(pos)" : "");
}
if (++iMax < maxParam || variable) {
cg_printf("if (count == %d) ", iMax);
if (do_while) cg_indentBegin("{\n");
}
cg_printf("%s", call.c_str());
for (int i = 0; i < iMax; i++) {
if (preArgs || i > 0) cg_printf(", ");
if (isRefParam(i)) {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("ref(a%d)", i);
} else {
cg_printf("null_variant");
}
} else {
cg_printf("arg%d", i);
}
} else {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("a%d", i);
} else {
cg_printf("null_variant");
}
} else {
cg_printf("arg%d", i);
}
}
}
cg_printf(")%s);\n", voidWrapper);
}
if (variable) {
if (do_while) {
cg_printf("break;\n");
cg_indentEnd("}\n");
}
if (fewArgs) {
if (maxParam == Option::InvokeFewArgsCount) return;
cg_printf("Array params;\n");
for (int i = maxParam; i < Option::InvokeFewArgsCount; i++) {
cg_printf("if (count >= %d) params.append(a%d);\n", i + 1, i);
}
}
cg_printf("%s,", call.c_str());
for (int i = 0; i < maxParam; i++) {
if (isRefParam(i)) {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("ref(a%d), ", i);
} else {
cg_printf("null_variant, ");
}
} else {
cg_printf("ref(arg%d), ", i);
}
} else {
if (fewArgs) {
if (i < Option::InvokeFewArgsCount) {
cg_printf("a%d, ", i);
} else {
cg_printf("null_variant, ");
}
} else {
cg_printf("arg%d, ", i);
}
}
}
if (fewArgs) {
cg_printf("params)%s);\n", voidWrapper);
}
else {
cg_printf("params.slice(%d, count - %d, false))%s);\n",
maxParam, maxParam, voidWrapper);
}
}
if (!fewArgs && maxParam) {
if (do_while) {
cg_indentEnd("} while (false);\n");
} else {
cg_indentEnd("}\n");
}
}
}
bool DynamicFunctionCall::preOutputCPP(CodeGenerator &cg, AnalysisResultPtr ar,
int state) {
bool nonStatic = !m_class && m_className.empty();
if (!nonStatic && !m_class && !m_validClass && !m_redeclared)
return FunctionCall::preOutputCPP(cg, ar, state);
// Short circuit out if inExpression() returns false
if (!ar->inExpression()) return true;
if (m_class) {
m_class->preOutputCPP(cg, ar, state);
}
m_nameExp->preOutputCPP(cg, ar, state);
ar->wrapExpressionBegin(cg);
m_ciTemp = cg.createNewId(shared_from_this());
bool lsb = false;
ClassScopePtr cls;
if (m_validClass) {
cls = ar->findClass(m_className);
}
if (!m_classScope && !m_className.empty() && m_cppTemp.empty() &&
m_origClassName != "self" && m_origClassName != "parent" &&
m_origClassName != "static") {
// Create a temporary to hold the class name, in case it is not a
// StaticString.
m_clsNameTemp = cg.createNewId(shared_from_this());
cg_printf("CStrRef clsName%d(", m_clsNameTemp);
cg_printString(m_origClassName, ar, shared_from_this());
cg_printf(");\n");
}
if (nonStatic) {
cg_printf("const CallInfo *cit%d;\n", m_ciTemp);
cg_printf("void *vt%d;\n", m_ciTemp);
cg_printf("get_call_info_or_fail(cit%d, vt%d, ", m_ciTemp, m_ciTemp);
} else {
cg_printf("MethodCallPackage mcp%d;\n", m_ciTemp);
if (m_class) {
if (m_class->is(KindOfScalarExpression)) {
ASSERT(strcasecmp(dynamic_pointer_cast<ScalarExpression>(m_class)->
getString().c_str(), "static") == 0);
cg_printf("mcp%d.staticMethodCall(", m_ciTemp);
cg_printf("\"static\"");
lsb = true;
} else {
cg_printf("mcp%d.dynamicNamedCall(", m_ciTemp);
m_class->outputCPP(cg, ar);
}
cg_printf(", ");
} else if (m_validClass) {
cg_printf("mcp%d.staticMethodCall(\"%s\", ", m_ciTemp,
cls->getId(cg).c_str());
} else {
cg_printf("mcp%d.staticMethodCall(\"%s\", ", m_ciTemp,
m_className.c_str());
}
}
if (m_nameExp->is(Expression::KindOfSimpleVariable)) {
m_nameExp->outputCPP(cg, ar);
} else {
cg_printf("(");
m_nameExp->outputCPP(cg, ar);
cg_printf(")");
}
if (!nonStatic) {
cg_printf(");\n");
if (lsb) cg_printf("mcp%d.lateStaticBind(info);\n");
cg_printf("const CallInfo *&cit%d = mcp%d.ci;\n", m_ciTemp, m_ciTemp);
if (m_validClass) {
cg_printf("%s%s::%sget_call_info(mcp%d",
Option::ClassPrefix, cls->getId(cg).c_str(),
Option::ObjectStaticPrefix, m_ciTemp, m_className.c_str());
} else if (m_redeclared) {
cg_printf("g->%s%s->%sget_call_info(mcp%d",
Option::ClassStaticsObjectPrefix, m_className.c_str(),
Option::ObjectStaticPrefix, m_ciTemp, m_className.c_str());
}
}
if (nonStatic || !m_class) {
cg_printf(");\n");
}
if (m_params && m_params->getCount() > 0) {
ar->pushCallInfo(m_ciTemp);
m_params->preOutputCPP(cg, ar, state);
ar->popCallInfo();
}
ar->pushCallInfo(m_ciTemp);
preOutputStash(cg, ar, state);
ar->popCallInfo();
if (!(state & FixOrder)) {
cg_printf("id(%s);\n", cppTemp().c_str());
}
return true;
}
void ClassConstant::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
bool lazyInit = cg.getContext() == CodeGenerator::CppLazyStaticInitializer;
if (cg.getContext() != CodeGenerator::CppClassConstantsDecl &&
cg.getContext() != CodeGenerator::CppClassConstantsImpl &&
!lazyInit) {
return;
}
ClassScopePtr scope = getClassScope();
for (int i = 0; i < m_exp->getCount(); i++) {
AssignmentExpressionPtr exp =
dynamic_pointer_cast<AssignmentExpression>((*m_exp)[i]);
ConstantExpressionPtr var =
dynamic_pointer_cast<ConstantExpression>(exp->getVariable());
TypePtr type = scope->getConstants()->getFinalType(var->getName());
ExpressionPtr value = exp->getValue();
if (!scope->getConstants()->isDynamic(var->getName()) == lazyInit) {
continue;
}
switch (cg.getContext()) {
case CodeGenerator::CppClassConstantsDecl:
cg_printf("extern const ");
if (type->is(Type::KindOfString)) {
cg_printf("StaticString");
} else {
type->outputCPPDecl(cg, ar, getScope());
}
cg_printf(" %s%s_%s;\n", Option::ClassConstantPrefix,
scope->getId(cg).c_str(),
var->getName().c_str());
break;
case CodeGenerator::CppClassConstantsImpl: {
cg_printf("const ");
bool isString = type->is(Type::KindOfString);
if (isString) {
cg_printf("StaticString");
} else {
type->outputCPPDecl(cg, ar, getScope());
}
value->outputCPPBegin(cg, ar);
cg_printf(" %s%s_%s", Option::ClassConstantPrefix,
scope->getId(cg).c_str(),
var->getName().c_str());
cg_printf(isString ? "(" : " = ");
ScalarExpressionPtr scalarExp =
dynamic_pointer_cast<ScalarExpression>(value);
if (isString && scalarExp) {
cg_printf("LITSTR_INIT(%s)",
scalarExp->getCPPLiteralString(cg).c_str());
} else {
value->outputCPP(cg, ar);
}
cg_printf(isString ? ");\n" : ";\n");
value->outputCPPEnd(cg, ar);
break;
}
case CodeGenerator::CppLazyStaticInitializer:
value->outputCPPBegin(cg, ar);
cg_printf("g->%s%s_%s = ", Option::ClassConstantPrefix,
scope->getId(cg).c_str(),
var->getName().c_str());
value->outputCPP(cg, ar);
cg_printf(";\n");
value->outputCPPEnd(cg, ar);
break;
default:
ASSERT(false);
}
}
}
void SimpleVariable::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
VariableTablePtr variables = getScope()->getVariables();
if (m_this) {
ASSERT((getContext() & ObjectContext) == 0);
if (hasContext(OprLValue) || hasContext(AssignmentLHS)) {
cg_printf("throw_assign_this()");
return;
}
if (variables->getAttribute(VariableTable::ContainsLDynamicVariable)) {
ASSERT(m_sym);
const string &namePrefix = getNamePrefix();
cg_printf("%s%sthis",
namePrefix.c_str(),
variables->getVariablePrefix(m_sym));
} else if (hasContext(DeepOprLValue) ||
hasContext(DeepAssignmentLHS) ||
hasContext(LValue)) {
// $this[] op= ...; or $this[] = ...
cg_printf("Variant(GET_THIS())");
} else {
ClassScopePtr cls = getOriginalClass();
if (!cls || cls->derivedByDynamic()) {
cg_printf("Object(GET_THIS())");
} else {
cg_printf("GET_THIS_TYPED(%s)", cls->getId().c_str());
}
}
} else if (m_superGlobal) {
const string &name = variables->getGlobalVariableName(ar, m_name);
cg_printf("g->%s", name.c_str());
} else if (m_globals) {
cg_printf("get_global_array_wrapper()");
} else {
ASSERT(m_sym);
bool sw = false;
if (m_sym->isShrinkWrapped() &&
m_context == Declaration) {
ASSERT(!getFunctionScope()->isGenerator());
TypePtr type = m_sym->getFinalType();
type->outputCPPDecl(cg, ar, getScope());
sw = true;
cg_printf(" ");
}
const string &prefix0 = getNamePrefix();
const char *prefix1 = variables->getVariablePrefix(m_sym);
cg_printf("%s%s%s",
prefix0.c_str(),
prefix1,
CodeGenerator::FormatLabel(m_name).c_str());
if (m_originalSym) {
cg.printf(" /* %s */", m_originalSym->getName().c_str());
}
if (sw) {
TypePtr type = m_sym->getFinalType();
const char *initializer = type->getCPPInitializer();
if (initializer) {
cg_printf(" = %s", initializer);
}
}
}
}
void ClassStatement::outputCPP(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopePtr classScope = m_classScope.lock();
if (cg.getContext() == CodeGenerator::NoContext) {
if (classScope->isRedeclaring()) {
cg.printf("g->%s%s = ClassStaticsPtr(NEW(%s%s)());\n",
Option::ClassStaticsObjectPrefix, m_name.c_str(),
Option::ClassStaticsPrefix, classScope->getId().c_str());
}
if (classScope->isVolatile()) {
cg.printf("g->declareClass(\"%s\");\n",
m_name.c_str());
}
return;
}
if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
printSource(cg);
}
ar->pushScope(classScope);
string clsNameStr = classScope->getId();
const char *clsName = clsNameStr.c_str();
bool redeclared = classScope->isRedeclaring();
switch (cg.getContext()) {
case CodeGenerator::CppForwardDeclaration:
if (Option::GenerateCPPMacros) {
cg.printf("FORWARD_DECLARE_CLASS(%s)\n", clsName);
if (redeclared) {
cg.printf("FORWARD_DECLARE_REDECLARED_CLASS(%s)\n", clsName);
}
}
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsDecl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppForwardDeclaration);
}
break;
case CodeGenerator::CppDeclaration:
{
ClassScopePtr parCls;
if (!m_parent.empty()) parCls = ar->findClass(m_parent);
cg.printf("class %s%s", Option::ClassPrefix, clsName);
bool derived = false;
if (!m_parent.empty() && classScope->derivesFrom(ar, m_parent)) {
if (parCls->isRedeclaring()) {
cg.printf(" : public DynamicObjectData");
} else {
cg.printf(" : virtual public %s%s", Option::ClassPrefix,
parCls->getId().c_str());
}
derived = true;
}
if (m_base) {
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf)) {
// temporary fix for inheriting from a re-declaring class
string id = intfClassScope->getId();
if (!derived) {
derived = true;
cg.printf(" :");
} else {
cg.printf(",");
}
cg.printf(" virtual public %s%s", Option::ClassPrefix, id.c_str());
}
}
}
if (!derived) {
const char *op = derived ? "," : " :";
if (classScope->derivesFromRedeclaring()) {
cg.printf("%s public DynamicObjectData", op);
} else {
cg.printf("%s virtual public ObjectData", op);
}
}
cg.indentBegin(" {\n");
if (Option::GenerateCPPMacros) {
vector<string> bases;
getAllParents(ar, bases);
cg.indentBegin("BEGIN_CLASS_MAP(%s)\n", clsName);
for (unsigned int i = 0; i < bases.size(); i++) {
cg.printf("PARENT_CLASS(%s)\n", bases[i].c_str());
}
cg.indentEnd("END_CLASS_MAP(%s)\n", clsName);
}
if (Option::GenerateCPPMacros) {
bool dyn = classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared;
bool idyn = classScope->derivesFromRedeclaring() ==
ClassScope::IndirectFromRedeclared;
bool redec = classScope->isRedeclaring();
if (!classScope->derivesFromRedeclaring()) {
cg.printf("DECLARE_CLASS(%s, %s, %s)\n", clsName,
m_originalName.c_str(),
m_parent.empty() ? "ObjectData" : m_parent.c_str());
} else {
cg.printf("DECLARE_DYNAMIC_CLASS(%s, %s)\n", clsName,
m_originalName.c_str());
}
if (cg.getOutput() == CodeGenerator::SystemCPP ||
Option::EnableEval >= Option::LimitedEval) {
cg.printf("DECLARE_INVOKES_FROM_EVAL\n");
}
if (dyn || idyn || redec) {
if (redec) {
cg.indentBegin("Variant %sroot_invoke(const char* s, CArrRef ps, "
"int64 h, bool f = true) {\n",
Option::ObjectPrefix);
cg.printf("return root->%sinvoke(s, ps, h, f);\n",
Option::ObjectPrefix);
cg.indentEnd("}\n");
cg.indentBegin("Variant %sroot_invoke_few_args(const char* s, "
"int64 h, int count", Option::ObjectPrefix);
for (int i = 0; i < Option::InvokeFewArgsCount; i++) {
cg.printf(", CVarRef a%d = null_variant", i);
}
cg.printf(") {\n");
cg.printf("return root->%sinvoke_few_args(s, h, count",
Option::ObjectPrefix);
for (int i = 0; i < Option::InvokeFewArgsCount; i++) {
cg.printf(", a%d", i);
}
cg.printf(");\n");
cg.indentEnd("}\n");
if (!dyn && !idyn) cg.printf("private: ObjectData* root;\n");
cg.printf("public:\n");
}
string conInit = ":";
if (dyn) {
conInit += "DynamicObjectData(\"" + m_parent + "\", r)";
} else if (idyn) {
conInit += string(Option::ClassPrefix) + parCls->getId() +
"(r?r:this)";
} else {
conInit += "root(r?r:this)";
}
cg.printf("%s%s(ObjectData* r = NULL)%s {}\n",
Option::ClassPrefix, clsName,
conInit.c_str());
}
}
cg.printf("void init();\n",
Option::ClassPrefix, clsName);
if (classScope->needLazyStaticInitializer()) {
cg.printf("static GlobalVariables *lazy_initializer"
"(GlobalVariables *g);\n");
}
if (!classScope->derivesFromRedeclaring()){
classScope->getVariables()->outputCPPPropertyDecl(cg, ar);
}
if (!classScope->getAttribute(ClassScope::HasConstructor)) {
FunctionScopePtr func = classScope->findFunction(ar, "__construct",
false);
if (func && !func->isAbstract() && !classScope->isInterface()) {
ar->pushScope(func);
func->outputCPPCreateDecl(cg, ar);
ar->popScope();
}
}
if (classScope->getAttribute(ClassScope::HasDestructor)) {
cg.printf("public: virtual void destruct();\n");
}
// doCall
if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
cg.printf("Variant doCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (m_stmt) m_stmt->outputCPP(cg, ar);
{
set<string> done;
classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
}
if (cg.getOutput() == CodeGenerator::SystemCPP &&
ar->isBaseSysRsrcClass(clsName) &&
!classScope->hasProperty("rsrc")) {
cg.printf("public: Variant %srsrc;\n", Option::PropertyPrefix);
}
cg.indentEnd("};\n");
if (redeclared) {
cg.indentBegin("class %s%s : public ClassStatics {\n",
Option::ClassStaticsPrefix, clsName);
cg.printf("public:\n");
cg.printf("DECLARE_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
cg.printf("%s%s() : ClassStatics(%d) {}\n",
Option::ClassStaticsPrefix, clsName,
classScope->getRedeclaringId());
cg.indentBegin("Variant %sget(const char *s, int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg.printf("return %s%s::%sget(s, hash);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg.indentEnd("}\n");
cg.indentBegin("Variant &%slval(const char* s, int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg.printf("return %s%s::%slval(s, hash);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg.indentEnd("}\n");
cg.indentBegin("Variant %sinvoke(const char *c, const char *s, "
"CArrRef params, int64 hash = -1, bool fatal = true) "
"{\n",
Option::ObjectStaticPrefix);
cg.printf("return %s%s::%sinvoke(c, s, params, hash, fatal);\n",
Option::ClassPrefix, clsName,
Option::ObjectStaticPrefix);
cg.indentEnd("}\n");
cg.indentBegin("Object create(CArrRef params, bool init = true, "
"ObjectData* root = NULL) {\n");
cg.printf("return Object(%s%s(NEW(%s%s)(root))->"
"dynCreate(params, init));\n",
Option::SmartPtrPrefix, clsName,
Option::ClassPrefix, clsName);
cg.indentEnd("}\n");
cg.indentBegin("Variant %sconstant(const char* s) {\n",
Option::ObjectStaticPrefix);
cg.printf("return %s%s::%sconstant(s);\n", Option::ClassPrefix, clsName,
Option::ObjectStaticPrefix);
cg.indentEnd("}\n");
cg.indentBegin("Variant %sinvoke_from_eval(const char *c, "
"const char *s, Eval::VariableEnvironment &env, "
"const Eval::FunctionCallExpression *call, "
"int64 hash = -1, bool fatal = true) "
"{\n",
Option::ObjectStaticPrefix);
cg.printf("return %s%s::%sinvoke_from_eval(c, s, env, call, hash, "
"fatal);\n",
Option::ClassPrefix, clsName,
Option::ObjectStaticPrefix);
cg.indentEnd("}\n");
cg.indentEnd("};\n");
}
}
break;
case CodeGenerator::CppImplementation:
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsImpl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
classScope->outputCPPSupportMethodsImpl(cg, ar);
if (redeclared) {
cg.printf("IMPLEMENT_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
}
cg.indentBegin("void %s%s::init() {\n",
Option::ClassPrefix, clsName);
if (!m_parent.empty()) {
if (classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared) {
cg.printf("parent->init();\n");
} else {
cg.printf("%s%s::init();\n", Option::ClassPrefix, m_parent.c_str());
}
}
cg.setContext(CodeGenerator::CppConstructor);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg.indentEnd("}\n");
if (classScope->needStaticInitializer()) {
cg.indentBegin("void %s%s::os_static_initializer() {\n",
Option::ClassPrefix, clsName);
cg.printDeclareGlobals();
cg.setContext(CodeGenerator::CppStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg.indentEnd("}\n");
cg.indentBegin("void %s%s() {\n",
Option::ClassStaticInitializerPrefix, clsName);
cg.printf("%s%s::os_static_initializer();\n", Option::ClassPrefix,
clsName);
cg.indentEnd("}\n");
}
if (classScope->needLazyStaticInitializer()) {
cg.indentBegin("GlobalVariables *%s%s::lazy_initializer("
"GlobalVariables *g) {\n", Option::ClassPrefix, clsName);
cg.indentBegin("if (!g->%s%s) {\n",
Option::ClassStaticInitializerFlagPrefix, clsName);
cg.printf("g->%s%s = true;\n", Option::ClassStaticInitializerFlagPrefix,
clsName);
cg.setContext(CodeGenerator::CppLazyStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg.indentEnd("}\n");
cg.printf("return g;\n");
cg.indentEnd("}\n");
}
cg.setContext(CodeGenerator::CppImplementation);
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::JavaFFI:
{
if (classScope->isRedeclaring()) break;
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
// also, uses the original capitalized class name
string clsFile = outputDir + getOriginalName() + ".java";
ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFI);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
printSource(cgCls);
string clsModifier;
switch (m_type) {
case T_CLASS:
break;
case T_ABSTRACT:
clsModifier = "abstract ";
break;
case T_FINAL:
clsModifier = "final ";
break;
}
cgCls.printf("public %sclass %s ", clsModifier.c_str(),
getOriginalName().c_str());
ClassScopePtr parCls;
if (!m_parent.empty()) parCls = ar->findClass(m_parent);
if (!m_parent.empty() && classScope->derivesFrom(ar, m_parent)
&& parCls->isUserClass() && !parCls->isRedeclaring()) {
// system classes are not supported in static FFI translation
// they shouldn't appear as superclasses as well
cgCls.printf("extends %s", parCls->getOriginalName());
}
else {
cgCls.printf("extends HphpObject");
}
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" implements ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName());
}
}
}
cgCls.indentBegin(" {\n");
// constructor for initializing the variant pointer
cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
getOriginalName().c_str());
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
// if not an abstract class and not having an explicit constructor,
// adds a default constructor
outputJavaFFIConstructor(cgCls, ar, cons);
}
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
{
if (classScope->isRedeclaring()) break;
if (m_stmt) m_stmt->outputCPP(cg, ar);
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
outputJavaFFICPPCreator(cg, ar, cons);
}
}
break;
default:
ASSERT(false);
break;
}
ar->popScope();
}
void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
if (cg.getContext() == CodeGenerator::NoContext) {
InterfaceStatement::outputCPPImpl(cg, ar);
return;
}
ClassScopeRawPtr classScope = getClassScope();
if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
printSource(cg);
}
string clsNameStr = classScope->getId();
const char *clsName = clsNameStr.c_str();
switch (cg.getContext()) {
case CodeGenerator::CppDeclaration:
{
if (Option::GenerateCPPMacros) {
classScope->outputForwardDeclaration(cg);
}
classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
bool system = cg.getOutput() == CodeGenerator::SystemCPP;
ClassScopePtr parCls;
if (!m_parent.empty()) {
parCls = ar->findClass(m_parent);
if (parCls && parCls->isRedeclaring()) parCls.reset();
}
if (Option::GenerateCppLibCode) {
cg.printDocComment(classScope->getDocComment());
}
cg_printf("class %s%s", Option::ClassPrefix, clsName);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)) {
if (!parCls) {
cg_printf(" : public DynamicObjectData");
} else {
cg_printf(" : public %s%s", Option::ClassPrefix,
parCls->getId().c_str());
}
} else {
if (classScope->derivesFromRedeclaring()) {
cg_printf(" : public DynamicObjectData");
} else if (system) {
cg_printf(" : public ExtObjectData");
} else {
cg_printf(" : public ObjectData");
}
}
if (m_base && Option::UseVirtualDispatch) {
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && !intfClassScope->isRedeclaring() &&
classScope->derivesDirectlyFrom(intf) &&
(!parCls || !parCls->derivesFrom(ar, intf, true, false))) {
string id = intfClassScope->getId();
cg_printf(", public %s%s", Option::ClassPrefix, id.c_str());
}
}
}
cg_indentBegin(" {\n");
cg_printf("public:\n");
cg.printSection("Properties");
if (classScope->getVariables()->outputCPPPropertyDecl(
cg, ar, classScope->derivesFromRedeclaring())) {
cg.printSection("Destructor");
cg_printf("~%s%s() NEVER_INLINE {}", Option::ClassPrefix, clsName);
}
if (Option::GenerateCppLibCode) {
cg.printSection("Methods");
classScope->outputMethodWrappers(cg, ar);
cg.printSection(">>>>>>>>>> Internal Implementation <<<<<<<<<<");
cg_printf("// NOTE: Anything below is subject to change. "
"Use everything above instead.\n");
}
cg.printSection("Class Map");
bool hasEmitCppCtor = false;
bool needsCppCtor = classScope->needsCppCtor();
bool needsInit = classScope->needsInitMethod();
bool disableDestructor =
!classScope->canSkipCreateMethod(ar) ||
(!classScope->derivesFromRedeclaring() &&
!classScope->hasAttribute(ClassScope::HasDestructor, ar));
if (Option::GenerateCPPMacros) {
bool dyn = classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared;
bool idyn = parCls && classScope->derivesFromRedeclaring() ==
ClassScope::IndirectFromRedeclared;
bool redec = classScope->isRedeclaring();
if (!parCls && !m_parent.empty()) {
assert(dyn);
}
if (!classScope->derivesFromRedeclaring()) {
outputCPPClassDecl(cg, ar, clsName, m_originalName.c_str(),
parCls ? parCls->getId().c_str()
: "ObjectData");
} else {
cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s, %s)\n", clsName,
m_originalName.c_str(),
dyn || !parCls ? "DynamicObjectData" :
parCls->getId().c_str());
}
if (classScope->checkHasPropTable()) {
cg_printf("static const ClassPropTable %sprop_table;\n",
Option::ObjectStaticPrefix);
}
bool hasGet = classScope->getAttribute(
ClassScope::HasUnknownPropGetter);
bool hasSet = classScope->getAttribute(
ClassScope::HasUnknownPropSetter);
bool hasIsset = classScope->getAttribute(
ClassScope::HasUnknownPropTester);
bool hasUnset = classScope->getAttribute(
ClassScope::HasPropUnsetter);
bool hasCall = classScope->getAttribute(
ClassScope::HasUnknownMethodHandler);
bool hasCallStatic = classScope->getAttribute(
ClassScope::HasUnknownStaticMethodHandler);
bool hasRootParam =
classScope->derivedByDynamic() && (redec || dyn || idyn);
string lateInit = "";
if (redec && classScope->derivedByDynamic()) {
if (!dyn && !idyn && (!parCls || parCls->isUserClass())) {
cg_printf("private: ObjectData* root;\n");
cg_printf("public:\n");
cg_printf("virtual ObjectData *getRoot() { return root; }\n");
lateInit = "root(r ? r : this)";
}
}
string callbacks = Option::ClassStaticsCallbackPrefix + clsNameStr;
string conInit = "";
if (dyn) {
conInit = "DynamicObjectData(cb, \"" +
CodeGenerator::EscapeLabel(m_parent) + "\", ";
if (hasRootParam) {
conInit += "r)";
} else {
conInit += "this)";
}
} else if (parCls) {
conInit = string(Option::ClassPrefix) + parCls->getId() + "(";
if (parCls->derivedByDynamic() &&
(parCls->isRedeclaring() ||
parCls->derivesFromRedeclaring() != ClassScope::FromNormal)) {
if (hasRootParam) {
conInit += "r ? r : ";
}
conInit += "this, ";
}
conInit += "cb)";
} else {
if (system) {
conInit = "ExtObjectData(cb)";
} else {
if (hasRootParam) {
conInit = "ObjectData(cb, r)";
} else {
conInit = "ObjectData(cb, false)";
}
}
}
cg_printf("%s%s(%sconst ObjectStaticCallbacks *cb = &%s%s) : %s",
Option::ClassPrefix,
clsName,
hasRootParam ? "ObjectData* r = NULL," : "",
callbacks.c_str(),
redec ? ".oscb" : "",
conInit.c_str());
if (needsCppCtor) {
cg_printf(", ");
cg.setContext(CodeGenerator::CppConstructor);
ASSERT(!cg.hasInitListFirstElem());
m_stmt->outputCPP(cg, ar);
cg.clearInitListFirstElem();
cg.setContext(CodeGenerator::CppDeclaration);
}
if (!lateInit.empty()) {
cg_printf(", %s", lateInit.c_str());
}
cg_indentBegin(" {%s",
hasGet || hasSet || hasIsset || hasUnset ||
hasCall || hasCallStatic || disableDestructor ||
hasRootParam ? "\n" : "");
if (hasRootParam) {
cg_printf("setId(r);\n");
}
if (hasGet) cg_printf("setAttribute(UseGet);\n");
if (hasSet) cg_printf("setAttribute(UseSet);\n");
if (hasIsset) cg_printf("setAttribute(UseIsset);\n");
if (hasUnset) cg_printf("setAttribute(UseUnset);\n");
if (hasCall) cg_printf("setAttribute(HasCall);\n");
if (hasCallStatic) cg_printf("setAttribute(HasCallStatic);\n");
if (disableDestructor) {
cg_printf("if (!hhvm) setAttribute(NoDestructor);\n");
}
cg_indentEnd("}\n");
hasEmitCppCtor = true;
}
if (needsCppCtor && !hasEmitCppCtor) {
cg_printf("%s%s() : ", Option::ClassPrefix, clsName);
cg.setContext(CodeGenerator::CppConstructor);
ASSERT(!cg.hasInitListFirstElem());
m_stmt->outputCPP(cg, ar);
cg.clearInitListFirstElem();
cg.setContext(CodeGenerator::CppDeclaration);
cg_printf(" {%s}\n",
disableDestructor ?
" if (!hhvm) setAttribute(NoDestructor); " : "");
}
if (needsInit) {
cg_printf("void init();\n");
}
// doCall
if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
cg_printf("Variant doCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (classScope->getAttribute(ClassScope::HasInvokeMethod)) {
FunctionScopePtr func =
classScope->findFunction(ar, "__invoke", false);
ASSERT(func);
if (!func->isAbstract()) {
cg_printf("const CallInfo *"
"t___invokeCallInfoHelper(void *&extra);\n");
}
}
if (classScope->isRedeclaring() &&
!classScope->derivesFromRedeclaring() &&
classScope->derivedByDynamic()) {
cg_printf("Variant doRootCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (m_stmt) m_stmt->outputCPP(cg, ar);
{
std::set<string> done;
classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
}
if (Option::GenerateCPPMacros) {
classScope->outputCPPJumpTableDecl(cg, ar);
}
cg_indentEnd("};\n");
classScope->outputCPPDynamicClassDecl(cg);
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsDecl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppDeclaration);
}
}
break;
case CodeGenerator::CppImplementation:
{
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsImpl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
classScope->outputCPPSupportMethodsImpl(cg, ar);
bool needsInit = classScope->needsInitMethod();
if (needsInit) {
cg_indentBegin("void %s%s::init() {\n",
Option::ClassPrefix, clsName);
if (!m_parent.empty()) {
if (classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared) {
cg_printf("parent->init();\n");
} else {
ClassScopePtr parCls = ar->findClass(m_parent);
cg_printf("%s%s::init();\n", Option::ClassPrefix,
parCls->getId().c_str());
}
}
if (classScope->getVariables()->
getAttribute(VariableTable::NeedGlobalPointer)) {
cg.printDeclareGlobals();
}
cg.setContext(CodeGenerator::CppInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
// This is lame. Exception base class needs to prepare stacktrace
// outside of its PHP constructor. Every subclass of exception also
// needs this stacktrace, so we're adding an artificial __init__ in
// exception.php and calling it here.
if (m_name == "exception") {
cg_printf("{CountableHelper h(this); t___init__();}\n");
}
cg_indentEnd("}\n");
}
cg.setContext(CodeGenerator::CppImplementation);
if (m_stmt) m_stmt->outputCPP(cg, ar);
}
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::JavaFFI:
{
if (classScope->isRedeclaring()) break;
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
// also, uses the original capitalized class name
string clsFile = outputDir + getOriginalName() + ".java";
std::ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFI);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
printSource(cgCls);
string clsModifier;
switch (m_type) {
case T_CLASS:
break;
case T_ABSTRACT:
clsModifier = "abstract ";
break;
case T_FINAL:
clsModifier = "final ";
break;
}
cgCls.printf("public %sclass %s ", clsModifier.c_str(),
getOriginalName().c_str());
ClassScopePtr parCls;
if (!m_parent.empty()) parCls = ar->findClass(m_parent);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(m_parent)
&& parCls && parCls->isUserClass() && !parCls->isRedeclaring()) {
// system classes are not supported in static FFI translation
// they shouldn't appear as superclasses as well
cgCls.printf("extends %s", parCls->getOriginalName().c_str());
}
else {
cgCls.printf("extends HphpObject");
}
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" implements ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName().c_str());
}
}
}
cgCls.indentBegin(" {\n");
// constructor for initializing the variant pointer
cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
getOriginalName().c_str());
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
// if not an abstract class and not having an explicit constructor,
// adds a default constructor
outputJavaFFIConstructor(cgCls, ar, cons);
}
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
{
if (classScope->isRedeclaring()) break;
if (m_stmt) m_stmt->outputCPP(cg, ar);
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
outputJavaFFICPPCreator(cg, ar, cons);
}
}
break;
default:
ASSERT(false);
break;
}
}
void InterfaceStatement::outputCPPImpl(CodeGenerator &cg,
AnalysisResultPtr ar) {
ClassScopeRawPtr classScope = getClassScope();
if (cg.getContext() == CodeGenerator::NoContext) {
if (classScope->isVolatile()) {
const vector<string> &bases = classScope->getBases();
for (unsigned i = 0; i < bases.size(); ++i) {
const string &name = bases[i];
if (cg.checkHoistedClass(name) ||
classScope->hasKnownBase(i)) {
continue;
}
ClassScopePtr base = ar->findClass(name);
if (base && base->isVolatile()) {
cg_printf("checkClassExistsThrow(");
cg_printString(name, ar, shared_from_this());
cg_printf(", &%s->CDEC(%s));\n",
cg.getGlobals(ar),
CodeGenerator::FormatLabel(base->getName()).c_str());
}
}
classScope->outputCPPDef(cg);
cg.addHoistedClass(m_name);
}
return;
}
string clsNameStr = classScope->getId();
const char *clsName = clsNameStr.c_str();
switch (cg.getContext()) {
case CodeGenerator::CppDeclaration:
{
printSource(cg);
if (Option::GenerateCPPMacros) {
classScope->outputForwardDeclaration(cg);
}
if (classScope->isRedeclaring()) {
classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
}
cg_printf("class %s%s", Option::ClassPrefix, clsName);
if (m_base && Option::UseVirtualDispatch &&
!classScope->isRedeclaring()) {
const char *sep = " :";
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && !intfClassScope->isRedeclaring() &&
classScope->derivesDirectlyFrom(intf)) {
string id = intfClassScope->getId();
cg_printf("%s public %s%s", sep, Option::ClassPrefix, id.c_str());
sep = ",";
}
}
}
cg_indentBegin(" {\n");
if (m_stmt) m_stmt->outputCPP(cg, ar);
bool hasPropTable = classScope->checkHasPropTable(ar);
if (hasPropTable) {
cg_printf("public: static const ClassPropTable %sprop_table;\n",
Option::ObjectStaticPrefix);
}
cg_indentEnd("};\n");
if (hasPropTable) {
classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
}
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsDecl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppDeclaration);
}
}
break;
case CodeGenerator::CppImplementation:
{
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsImpl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
cg.addClass(getClassScope()->getName(), getClassScope());
if (classScope->isRedeclaring() || classScope->checkHasPropTable(ar)) {
classScope->outputCPPGlobalTableWrappersImpl(cg, ar);
}
}
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
// do nothing
break;
case CodeGenerator::JavaFFI:
{
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
string clsFile = outputDir + getOriginalName() + ".java";
std::ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFIInterface);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
cgCls.printf("public interface %s", getOriginalName().c_str());
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" extends ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName().c_str());
}
}
}
cgCls.indentBegin(" {\n");
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
// do nothing
break;
default:
ASSERT(false);
break;
}
}
void InterfaceStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopeRawPtr classScope = getClassScope();
if (cg.getContext() == CodeGenerator::NoContext) {
if (classScope->isVolatile()) {
cg_printf("g->CDEC(%s) = true;\n", cg.formatLabel(m_name).c_str());
}
return;
}
string clsNameStr = classScope->getId(cg);
const char *clsName = clsNameStr.c_str();
switch (cg.getContext()) {
case CodeGenerator::CppForwardDeclaration:
if (Option::GenerateCPPMacros) {
if (!Option::UseVirtualDispatch ||
classScope->isRedeclaring()) {
cg_printf("FORWARD_DECLARE_GENERIC_INTERFACE(%s);\n", clsName);
} else {
cg_printf("FORWARD_DECLARE_INTERFACE(%s);\n", clsName);
}
}
break;
case CodeGenerator::CppDeclaration:
{
printSource(cg);
cg_printf("class %s%s", Option::ClassPrefix, clsName);
if (m_base && Option::UseVirtualDispatch &&
!classScope->isRedeclaring()) {
const char *sep = " :";
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && !intfClassScope->isRedeclaring() &&
classScope->derivesDirectlyFrom(ar, intf)) {
string id = intfClassScope->getId(cg);
cg_printf("%s public %s%s", sep, Option::ClassPrefix, id.c_str());
sep = ",";
}
}
}
cg_indentBegin(" {\n");
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg_indentEnd("};\n");
}
break;
case CodeGenerator::CppImplementation:
// do nothing
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
// do nothing
break;
case CodeGenerator::JavaFFI:
{
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
string clsFile = outputDir + getOriginalName() + ".java";
ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFIInterface);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
cgCls.printf("public interface %s", getOriginalName().c_str());
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" extends ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName().c_str());
}
}
}
cgCls.indentBegin(" {\n");
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
// do nothing
break;
default:
ASSERT(false);
break;
}
}
void ObjectPropertyExpression::outputCPPObjProperty(CodeGenerator &cg,
AnalysisResultPtr ar,
int doExist) {
if (m_valid) {
TypePtr type = m_object->getActualType();
if (type->isSpecificObject()) {
ClassScopePtr cls(type->getClass(ar, getScope()));
if (cls) getFileScope()->addUsedClassFullHeader(cls);
}
}
string func = Option::ObjectPrefix;
const char *error = ", true";
std::string context = "";
bool doUnset = m_context & LValue && m_context & UnsetContext;
bool needTemp = false;
if (cg.getOutput() != CodeGenerator::SystemCPP) {
context = originalClassName(cg, true);
}
if (doUnset) {
func = "o_unset";
error = "";
} else if (doExist) {
func = doExist > 0 ? "o_isset" : "o_empty";
error = "";
} else {
if (m_context & ExistContext) {
error = ", false";
}
if (m_context & InvokeArgument) {
if (cg.callInfoTop() != -1) {
func += "argval";
} else {
func += "get";
}
} else if (m_context & (LValue | RefValue | DeepReference | UnsetContext)) {
if (m_context & UnsetContext) {
always_assert(!(m_context & LValue)); // handled by doUnset
func += "unsetLval";
} else {
func += "lval";
}
error = "";
needTemp = true;
} else {
func += "get";
if (isNonPrivate(ar)) {
func += "Public";
context = "";
}
}
}
if (m_valid && !m_object->isThis() &&
(!m_object->is(KindOfSimpleVariable) ||
!static_pointer_cast<SimpleVariable>(m_object)->isGuarded())) {
cg_printf("(obj_tmp = ");
outputCPPValidObject(cg, ar, false);
bool write_context = hasAnyContext(LValue | RefValue | DeepReference |
UnsetContext | OprLValue |
DeepOprLValue | DeepAssignmentLHS |
AssignmentLHS) && !doUnset;
cg_printf(", LIKELY(obj_tmp != 0) %s ", write_context ? "||" : "?");
always_assert(m_property->is(KindOfScalarExpression));
ScalarExpressionPtr name =
static_pointer_cast<ScalarExpression>(m_property);
if (doExist || doUnset) {
cg_printf(doUnset ? "unset" : doExist > 0 ? "isset" : "empty");
}
ClassScopePtr cls =
ar->findExactClass(shared_from_this(),
m_object->getActualType()->getName());
if (write_context) {
cg_printf("(throw_null_object_prop(),false),");
}
cg_printf("(((%s%s*)obj_tmp)->%s%s)",
Option::ClassPrefix, cls->getId().c_str(),
Option::PropertyPrefix, name->getString().c_str());
if (!write_context) {
cg_printf(" : (raise_null_object_prop(),%s)",
doUnset ? "null_variant" :
doExist ? doExist > 0 ? "false" : "true" :
nullName(ar, getCPPType()).c_str());
}
cg_printf(")");
return;
}
if (m_valid && (doExist || doUnset)) {
cg_printf(doUnset ? "unset(" : doExist > 0 ? "isset(" : "empty(");
}
bool flag = outputCPPObject(cg, ar, !m_valid && (doUnset || doExist));
if (flag) {
cg_printf("id(");
outputCPPProperty(cg, ar);
cg_printf(")");
if (doExist) cg_printf(", %s", doExist > 0 ? "false" : "true");
cg_printf(")");
} else if (m_valid) {
always_assert(m_object->getActualType() &&
m_object->getActualType()->isSpecificObject());
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>(m_property);
cg_printf("%s%s", Option::PropertyPrefix, name->getString().c_str());
if (doExist || doUnset) cg_printf(")");
} else {
cg_printf("%s(", func.c_str());
if (hasContext(InvokeArgument) && cg.callInfoTop() != -1) {
cg_printf("cit%d->isRef(%d), ", cg.callInfoTop(), m_argNum);
}
outputCPPProperty(cg, ar);
if (needTemp) {
const string &tmp = cg.getReferenceTemp();
context = ", " + (tmp.empty() ? "Variant()" : tmp) + context;
}
cg_printf("%s%s)", error, context.c_str());
}
}
bool NewObjectExpression::preOutputCPP(CodeGenerator &cg, AnalysisResultPtr ar,
int state) {
string &cname = (m_origName == "self" || m_origName == "parent") ?
m_name : m_origName;
if (m_name.empty() || m_redeclared || !m_validClass || m_dynamic) {
// Short circuit out if inExpression() returns false
if (!ar->inExpression()) return true;
if (m_nameExp) m_nameExp->preOutputCPP(cg, ar, state);
ar->wrapExpressionBegin(cg);
m_ciTemp = cg.createNewId(ar);
m_objectTemp = cg.createNewId(ar);
cg_printf("Object obj%d(", m_objectTemp);
if (m_redeclared) {
bool outsideClass = !ar->checkClassPresent(m_origName);
ClassScopePtr cls = ar->resolveClass(m_name);
ASSERT(cls);
if (outsideClass) {
cls->outputVolatileCheckBegin(cg, ar, cname);
}
cg_printf("g->%s%s->createOnly()", Option::ClassStaticsObjectPrefix,
m_name.c_str());
if (outsideClass) {
cls->outputVolatileCheckEnd(cg);
}
} else {
cg_printf("create_object_only(");
if (!cname.empty()) {
cg_printf("\"%s\"", cname.c_str());
} else if (m_nameExp->is(Expression::KindOfSimpleVariable)) {
m_nameExp->outputCPP(cg, ar);
} else {
cg_printf("(");
m_nameExp->outputCPP(cg, ar);
cg_printf(")");
}
cg_printf(")");
}
cg_printf(");\n");
cg_printf("MethodCallPackage mcp%d;\n", m_ciTemp,
m_objectTemp);
cg_printf("mcp%d.construct(obj%d);\n", m_ciTemp, m_objectTemp);
cg_printf("const CallInfo *cit%d = mcp%d.ci;\n", m_ciTemp, m_ciTemp);
if (m_params && m_params->getCount() > 0) {
ar->pushCallInfo(m_ciTemp);
m_params->preOutputCPP(cg, ar, state);
ar->popCallInfo();
}
cg_printf("(cit%d->getMeth())(mcp%d, ", m_ciTemp, m_ciTemp);
if (m_params && m_params->getOutputCount()) {
ar->pushCallInfo(m_ciTemp);
FunctionScope::outputCPPArguments(m_params, cg, ar, -1, false);
ar->popCallInfo();
} else {
cg_printf("Array()");
}
cg_printf(");\n");
if (state & FixOrder) {
ar->pushCallInfo(m_ciTemp);
preOutputStash(cg, ar, state);
ar->popCallInfo();
}
if (hasCPPTemp() && !(state & FixOrder)) {
cg_printf("id(%s);\n", cppTemp().c_str());
}
return true;
} else {
bool tempRcvr = true;
bool paramEffect = false;
if (m_params && m_params->getCount() > 0) {
for (int i = m_params->getCount(); i--; ) {
if (!(*m_params)[i]->isScalar()) {
paramEffect = true;
break;
}
}
}
if (!paramEffect) {
tempRcvr = false;
}
if (tempRcvr && ar->inExpression()) {
bool outsideClass = !ar->checkClassPresent(m_origName);
ClassScopePtr cls = ar->resolveClass(m_name);
ASSERT(cls);
ar->wrapExpressionBegin(cg);
m_receiverTemp = genCPPTemp(cg, ar);
cg_printf("%s%s %s = ", Option::SmartPtrPrefix, cls->getId(cg).c_str(),
m_receiverTemp.c_str());
if (outsideClass) {
cls->outputVolatileCheckBegin(cg, ar, cname);
}
cg_printf("NEWOBJ(%s%s)()", Option::ClassPrefix, cls->getId(cg).c_str());
if (outsideClass) {
cls->outputVolatileCheckEnd(cg);
}
cg_printf(";\n");
}
bool tempParams = FunctionCall::preOutputCPP(cg, ar, state);
return tempRcvr || tempParams;
}
}
void MethodStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
FunctionScopePtr funcScope = m_funcScope.lock();
ClassScopePtr scope = getClassScope();
if (outputFFI(cg, ar)) return;
cg.setPHPLineNo(-1);
CodeGenerator::Context context = cg.getContext();
if (context == CodeGenerator::CppImplementation) {
printSource(cg);
}
bool isWrapper = context == CodeGenerator::CppTypedParamsWrapperDecl ||
context == CodeGenerator::CppTypedParamsWrapperImpl;
bool needsWrapper = isWrapper ||
(Option::HardTypeHints && funcScope->needsTypeCheckWrapper());
const char *prefix = needsWrapper && !isWrapper ?
Option::TypedMethodPrefix : Option::MethodPrefix;
switch (context) {
case CodeGenerator::CppDeclaration:
case CodeGenerator::CppTypedParamsWrapperDecl:
{
if (!m_stmt && !funcScope->isPerfectVirtual()) {
cg_printf("// ");
}
m_modifiers->outputCPP(cg, ar);
if (!m_stmt || m_name == "__offsetget_lval" ||
funcScope->isPerfectVirtual()) {
cg_printf("virtual ");
}
TypePtr type = funcScope->getReturnType();
if (type) {
type->outputCPPDecl(cg, ar);
} else {
cg_printf("void");
}
if (m_name == "__offsetget_lval") {
cg_printf(" &___offsetget_lval(");
} else if (m_modifiers->isStatic() && m_stmt) {
// Static method wrappers get generated as support methods
cg_printf(" %s%s(CStrRef cls%s",
needsWrapper && !isWrapper ?
Option::TypedMethodImplPrefix : Option::MethodImplPrefix,
cg.formatLabel(m_name).c_str(),
funcScope->isVariableArgument() ||
(m_params && m_params->getCount()) ? ", " : "");
} else {
cg_printf(" %s%s(", prefix, cg.formatLabel(m_name).c_str());
}
funcScope->outputCPPParamsDecl(cg, ar, m_params, true);
if (m_stmt) {
cg_printf(");\n");
} else if (funcScope->isPerfectVirtual()) {
cg_printf(") { return throw_fatal(\"pure virtual\");}\n");
} else {
cg_printf(") = 0;\n");
}
if (context != CodeGenerator::CppTypedParamsWrapperDecl) {
if (funcScope->isConstructor(scope)
&& !funcScope->isAbstract() && !scope->isInterface()) {
funcScope->outputCPPCreateDecl(cg, ar);
}
if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) {
cg.setContext(CodeGenerator::CppTypedParamsWrapperDecl);
outputCPPImpl(cg, ar);
cg.setContext(context);
}
}
}
break;
case CodeGenerator::CppImplementation:
case CodeGenerator::CppTypedParamsWrapperImpl:
if (m_stmt) {
TypePtr type = funcScope->getReturnType();
if (type) {
type->outputCPPDecl(cg, ar);
} else {
cg_printf("void");
}
string origFuncName = getOriginalFullName();
string funcSection = Option::FunctionSections[origFuncName];
if (!funcSection.empty()) {
cg_printf(" __attribute__ ((section (\".text.%s\")))",
funcSection.c_str());
}
if (m_name == "__offsetget_lval") {
cg_printf(" &%s%s::___offsetget_lval(",
Option::ClassPrefix, scope->getId(cg).c_str());
} else if (m_modifiers->isStatic()) {
cg_printf(" %s%s::%s%s(CStrRef cls%s", Option::ClassPrefix,
scope->getId(cg).c_str(),
needsWrapper && !isWrapper ?
Option::TypedMethodImplPrefix : Option::MethodImplPrefix,
cg.formatLabel(m_name).c_str(),
funcScope->isVariableArgument() ||
(m_params && m_params->getCount()) ? ", " : "");
} else {
cg_printf(" %s%s::%s%s(", Option::ClassPrefix,
scope->getId(cg).c_str(),
prefix, cg.formatLabel(m_name).c_str());
}
funcScope->outputCPPParamsDecl(cg, ar, m_params, false);
cg_indentBegin(") {\n");
if (context != CodeGenerator::CppTypedParamsWrapperImpl) {
if (m_stmt->hasBody()) {
const char *sys =
(cg.getOutput() == CodeGenerator::SystemCPP ? "_BUILTIN" : "");
if (m_modifiers->isStatic()) {
cg_printf("STATIC_METHOD_INJECTION%s(%s, %s);\n", sys,
scope->getOriginalName().c_str(), origFuncName.c_str());
} else if (cg.getOutput() != CodeGenerator::SystemCPP &&
!scope->isRedeclaring() && !scope->derivedByDynamic()) {
cg_printf("INSTANCE_METHOD_INJECTION_ROOTLESS(%s, %s);\n",
scope->getOriginalName().c_str(), origFuncName.c_str());
} else {
cg_printf("INSTANCE_METHOD_INJECTION%s(%s, %s);\n", sys,
scope->getOriginalName().c_str(), origFuncName.c_str());
}
}
outputCPPArgInjections(cg, ar, origFuncName.c_str(),
scope, funcScope);
if (m_name == "__offsetget_lval") {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*m_params)[0]);
cg_printf("Variant &v = %s->__lvalProxy;\n", cg.getGlobals(ar));
string lowered = Util::toLower(m_originalName);
cg_printf("v = %s%s(%s%s);\n",
prefix, lowered.c_str(),
Option::VariablePrefix, param->getName().c_str());
cg_printf("return v;\n");
} else {
if (funcScope->isConstructor(scope)) {
cg_printf("bool oldInCtor = gasInCtor(true);\n");
} else if (m_name == "__destruct") {
cg_printf("setInDtor();\n");
}
funcScope->outputCPP(cg, ar);
cg.setContext(
CodeGenerator::NoContext); // no inner functions/classes
if (!funcScope->isStatic() && funcScope->getVariables()->
getAttribute(VariableTable::ContainsDynamicVariable)) {
cg_printf("%sthis = this;\n", Option::VariablePrefix);
}
outputCPPStmt(cg, ar);
}
cg_indentEnd("}\n");
if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) {
cg.setContext(CodeGenerator::CppTypedParamsWrapperImpl);
outputCPPImpl(cg, ar);
}
} else {
outputCPPTypeCheckWrapper(cg, ar);
cg_indentEnd("}\n");
}
cg.setContext(context);
cg.printImplSplitter();
}
break;
default:
break;
}
}
void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopePtr classScope = m_classScope.lock();
if (cg.getContext() == CodeGenerator::NoContext) {
if (classScope->isRedeclaring()) {
cg_printf("g->%s%s = ClassStaticsPtr(NEW(%s%s)());\n",
Option::ClassStaticsObjectPrefix,
cg.formatLabel(m_name).c_str(),
Option::ClassStaticsPrefix, classScope->getId(cg).c_str());
cg_printf("g->%s%s = &%s%s;\n",
Option::ClassStaticsCallbackPrefix,
cg.formatLabel(m_name).c_str(),
Option::ClassWrapperFunctionPrefix,
classScope->getId(cg).c_str());
}
if (classScope->isVolatile()) {
cg_printf("g->CDEC(%s) = true;\n", m_name.c_str());
}
const vector<string> &bases = classScope->getBases();
for (vector<string>::const_iterator it = bases.begin();
it != bases.end(); ++it) {
ClassScopePtr base = ar->findClass(*it);
if (base && base->isVolatile()) {
cg_printf("checkClassExists(\"%s\", g);\n",
base->getOriginalName().c_str());
}
}
return;
}
if (cg.getContext() != CodeGenerator::CppForwardDeclaration) {
printSource(cg);
}
ar->pushScope(classScope);
string clsNameStr = classScope->getId(cg);
const char *clsName = clsNameStr.c_str();
bool redeclared = classScope->isRedeclaring();
switch (cg.getContext()) {
case CodeGenerator::CppForwardDeclaration:
if (Option::GenerateCPPMacros) {
cg_printf("FORWARD_DECLARE_CLASS(%s)\n", clsName);
if (redeclared) {
cg_printf("FORWARD_DECLARE_REDECLARED_CLASS(%s)\n", clsName);
}
}
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsDecl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppForwardDeclaration);
}
break;
case CodeGenerator::CppDeclaration:
{
bool system = cg.getOutput() == CodeGenerator::SystemCPP;
ClassScopePtr parCls;
if (!m_parent.empty()) {
parCls = ar->findClass(m_parent);
if (parCls && parCls->isRedeclaring()) parCls.reset();
}
cg_printf("class %s%s", Option::ClassPrefix, clsName);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(ar, m_parent)) {
if (!parCls) {
cg_printf(" : public DynamicObjectData");
} else {
cg_printf(" : public %s%s", Option::ClassPrefix,
parCls->getId(cg).c_str());
}
} else {
if (classScope->derivesFromRedeclaring()) {
cg_printf(" : public DynamicObjectData");
} else if (system) {
cg_printf(" : public ExtObjectData");
} else {
cg_printf(" : public ObjectData");
}
}
if (m_base && Option::UseVirtualDispatch) {
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && !intfClassScope->isRedeclaring() &&
classScope->derivesDirectlyFrom(ar, intf) &&
(!parCls || !parCls->derivesFrom(ar, intf, true, false))) {
string id = intfClassScope->getId(cg);
cg_printf(", public %s%s", Option::ClassPrefix, id.c_str());
}
}
}
cg_indentBegin(" {\n");
if (Option::GenerateCPPMacros) {
// Get all of this class's ancestors
vector<string> bases;
getAllParents(ar, bases);
// Eliminate duplicates
sort(bases.begin(), bases.end());
bases.erase(unique(bases.begin(), bases.end()), bases.end());
cg_indentBegin("BEGIN_CLASS_MAP(%s)\n",
Util::toLower(classScope->getName()).c_str());
for (unsigned int i = 0; i < bases.size(); i++) {
cg_printf("PARENT_CLASS(%s)\n", bases[i].c_str());
}
if (classScope->derivesFromRedeclaring()) {
cg_printf("CLASS_MAP_REDECLARED()\n");
}
cg_indentEnd("END_CLASS_MAP(%s)\n", clsName);
}
if (Option::GenerateCPPMacros) {
bool dyn = (!parCls && !m_parent.empty()) ||
classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared;
bool idyn = parCls && classScope->derivesFromRedeclaring() ==
ClassScope::IndirectFromRedeclared;
bool redec = classScope->isRedeclaring();
if (!classScope->derivesFromRedeclaring()) {
outputCPPClassDecl(cg, ar, clsName, m_originalName.c_str(),
parCls ? parCls->getId(cg).c_str() : "ObjectData");
} else {
cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s, %s)\n", clsName,
m_originalName.c_str(),
dyn || !parCls ? "DynamicObjectData" :
parCls->getId(cg).c_str());
}
if (system || Option::EnableEval >= Option::LimitedEval) {
cg_printf("DECLARE_INVOKES_FROM_EVAL\n");
}
if (dyn || idyn || redec) {
if (redec) {
cg_printf("DECLARE_ROOT;\n");
if (!dyn && !idyn) {
cg_printf("private: ObjectData* root;\n");
cg_printf("public:\n");
cg_printf("virtual ObjectData *getRoot() { return root; }\n");
}
}
string conInit = ":";
if (dyn) {
conInit += "DynamicObjectData(\"" + m_parent + "\", r)";
} else if (idyn) {
conInit += string(Option::ClassPrefix) + parCls->getId(cg) +
"(r?r:this)";
} else {
conInit += "root(r?r:this)";
}
cg_printf("%s%s(ObjectData* r = NULL)%s {}\n",
Option::ClassPrefix, clsName,
conInit.c_str());
}
}
cg_printf("void init();\n",
Option::ClassPrefix, clsName);
if (classScope->needLazyStaticInitializer()) {
cg_printf("static GlobalVariables *lazy_initializer"
"(GlobalVariables *g);\n");
}
classScope->getVariables()->outputCPPPropertyDecl(cg, ar,
classScope->derivesFromRedeclaring());
if (!classScope->getAttribute(ClassScope::HasConstructor)) {
FunctionScopePtr func = classScope->findFunction(ar, "__construct",
false);
if (func && !func->isAbstract() && !classScope->isInterface()) {
ar->pushScope(func);
func->outputCPPCreateDecl(cg, ar);
ar->popScope();
}
}
if (classScope->getAttribute(ClassScope::HasDestructor)) {
cg_printf("public: virtual void destruct();\n");
}
// doCall
if (classScope->getAttribute(ClassScope::HasUnknownMethodHandler)) {
cg_printf("Variant doCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
// doGet
if (classScope->getAttribute(ClassScope::HasUnknownPropHandler)) {
cg_printf("Variant doGet(Variant v_name, bool error);\n");
}
if (classScope->isRedeclaring() &&
!classScope->derivesFromRedeclaring()) {
cg_printf("Variant doRootCall(Variant v_name, Variant v_arguments, "
"bool fatal);\n");
}
if (m_stmt) m_stmt->outputCPP(cg, ar);
{
set<string> done;
classScope->outputCPPStaticMethodWrappers(cg, ar, done, clsName);
}
if (cg.getOutput() == CodeGenerator::SystemCPP &&
ar->isBaseSysRsrcClass(clsName) &&
!classScope->hasProperty("rsrc")) {
cg_printf("public: Variant %srsrc;\n", Option::PropertyPrefix);
}
cg_indentEnd("};\n");
if (redeclared) {
cg_indentBegin("class %s%s : public ClassStatics {\n",
Option::ClassStaticsPrefix, clsName);
cg_printf("public:\n");
cg_printf("DECLARE_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
cg_printf("%s%s() : ClassStatics(%d) {}\n",
Option::ClassStaticsPrefix, clsName,
classScope->getRedeclaringId());
cg_indentBegin("Variant %sgetInit(const char *s, int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sgetInit(s, hash);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant %sget(const char *s, int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sget(s, hash);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant &%slval(const char* s, int64 hash = -1) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%slval(s, hash);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant %sinvoke(const char *c, const char *s, "
"CArrRef params, int64 hash = -1, bool fatal = true) "
"{\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sinvoke(c, s, params, hash, fatal);\n",
Option::ClassPrefix, clsName,
Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Object create(CArrRef params, bool init = true, "
"ObjectData* root = NULL) {\n");
cg_printf("return Object((NEW(%s%s)(root))->"
"dynCreate(params, init));\n",
Option::ClassPrefix, clsName);
cg_indentEnd("}\n");
cg_indentBegin("Variant %sconstant(const char* s) {\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sconstant(s);\n", Option::ClassPrefix,
clsName, Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentBegin("Variant %sinvoke_from_eval(const char *c, "
"const char *s, Eval::VariableEnvironment &env, "
"const Eval::FunctionCallExpression *call, "
"int64 hash = -1, bool fatal = true) "
"{\n",
Option::ObjectStaticPrefix);
cg_printf("return %s%s::%sinvoke_from_eval(c, s, env, call, hash, "
"fatal);\n",
Option::ClassPrefix, clsName,
Option::ObjectStaticPrefix);
cg_indentEnd("}\n");
cg_indentEnd("};\n");
}
classScope->outputCPPGlobalTableWrappersDecl(cg, ar);
}
break;
case CodeGenerator::CppImplementation:
if (m_stmt) {
cg.setContext(CodeGenerator::CppClassConstantsImpl);
m_stmt->outputCPP(cg, ar);
cg.setContext(CodeGenerator::CppImplementation);
}
classScope->outputCPPSupportMethodsImpl(cg, ar);
if (redeclared) {
cg_printf("IMPLEMENT_OBJECT_ALLOCATION(%s%s);\n",
Option::ClassStaticsPrefix, clsName);
}
cg_indentBegin("void %s%s::init() {\n",
Option::ClassPrefix, clsName);
if (!m_parent.empty()) {
if (classScope->derivesFromRedeclaring() ==
ClassScope::DirectFromRedeclared) {
cg_printf("parent->init();\n");
} else {
cg_printf("%s%s::init();\n", Option::ClassPrefix, m_parent.c_str());
}
}
if (classScope->getVariables()->
getAttribute(VariableTable::NeedGlobalPointer)) {
cg.printDeclareGlobals();
}
cg.setContext(CodeGenerator::CppConstructor);
if (m_stmt) m_stmt->outputCPP(cg, ar);
// This is lame. Exception base class needs to prepare stacktrace outside
// of its PHP constructor. Every subclass of exception also needs this
// stacktrace, so we're adding an artificial __init__ in exception.php
// and calling it here.
if (m_name == "exception") {
cg_printf("{CountableHelper h(this); t___init__();}\n");
}
cg_indentEnd("}\n");
if (classScope->needStaticInitializer()) {
cg_indentBegin("void %s%s::os_static_initializer() {\n",
Option::ClassPrefix, clsName);
cg.printDeclareGlobals();
cg.setContext(CodeGenerator::CppStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg_indentEnd("}\n");
cg_indentBegin("void %s%s() {\n",
Option::ClassStaticInitializerPrefix, clsName);
cg_printf("%s%s::os_static_initializer();\n", Option::ClassPrefix,
clsName);
cg_indentEnd("}\n");
}
if (classScope->needLazyStaticInitializer()) {
cg_indentBegin("GlobalVariables *%s%s::lazy_initializer("
"GlobalVariables *g) {\n", Option::ClassPrefix, clsName);
cg_indentBegin("if (!g->%s%s) {\n",
Option::ClassStaticInitializerFlagPrefix, clsName);
cg_printf("g->%s%s = true;\n", Option::ClassStaticInitializerFlagPrefix,
clsName);
cg.setContext(CodeGenerator::CppLazyStaticInitializer);
if (m_stmt) m_stmt->outputCPP(cg, ar);
cg_indentEnd("}\n");
cg_printf("return g;\n");
cg_indentEnd("}\n");
}
cg.setContext(CodeGenerator::CppImplementation);
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::CppFFIDecl:
case CodeGenerator::CppFFIImpl:
if (m_stmt) m_stmt->outputCPP(cg, ar);
break;
case CodeGenerator::JavaFFI:
{
if (classScope->isRedeclaring()) break;
// TODO support PHP namespaces, once HPHP supports it
string packageName = Option::JavaFFIRootPackage;
string packageDir = packageName;
Util::replaceAll(packageDir, ".", "/");
string outputDir = ar->getOutputPath() + "/" + Option::FFIFilePrefix +
packageDir + "/";
Util::mkdir(outputDir);
// uses a different cg to generate a separate file for each PHP class
// also, uses the original capitalized class name
string clsFile = outputDir + getOriginalName() + ".java";
ofstream fcls(clsFile.c_str());
CodeGenerator cgCls(&fcls, CodeGenerator::FileCPP);
cgCls.setContext(CodeGenerator::JavaFFI);
cgCls.printf("package %s;\n\n", packageName.c_str());
cgCls.printf("import hphp.*;\n\n");
printSource(cgCls);
string clsModifier;
switch (m_type) {
case T_CLASS:
break;
case T_ABSTRACT:
clsModifier = "abstract ";
break;
case T_FINAL:
clsModifier = "final ";
break;
}
cgCls.printf("public %sclass %s ", clsModifier.c_str(),
getOriginalName().c_str());
ClassScopePtr parCls;
if (!m_parent.empty()) parCls = ar->findClass(m_parent);
if (!m_parent.empty() && classScope->derivesDirectlyFrom(ar, m_parent)
&& parCls && parCls->isUserClass() && !parCls->isRedeclaring()) {
// system classes are not supported in static FFI translation
// they shouldn't appear as superclasses as well
cgCls.printf("extends %s", parCls->getOriginalName().c_str());
}
else {
cgCls.printf("extends HphpObject");
}
if (m_base) {
bool first = true;
for (int i = 0; i < m_base->getCount(); i++) {
ScalarExpressionPtr exp =
dynamic_pointer_cast<ScalarExpression>((*m_base)[i]);
const char *intf = exp->getString().c_str();
ClassScopePtr intfClassScope = ar->findClass(intf);
if (intfClassScope && classScope->derivesFrom(ar, intf, false, false)
&& intfClassScope->isUserClass()) {
if (first) {
cgCls.printf(" implements ");
first = false;
}
else {
cgCls.printf(", ");
}
cgCls.printf(intfClassScope->getOriginalName().c_str());
}
}
}
cgCls.indentBegin(" {\n");
// constructor for initializing the variant pointer
cgCls.printf("protected %s(long ptr) { super(ptr); }\n\n",
getOriginalName().c_str());
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
// if not an abstract class and not having an explicit constructor,
// adds a default constructor
outputJavaFFIConstructor(cgCls, ar, cons);
}
if (m_stmt) m_stmt->outputCPP(cgCls, ar);
cgCls.indentEnd("}\n");
fcls.close();
}
break;
case CodeGenerator::JavaFFICppDecl:
case CodeGenerator::JavaFFICppImpl:
{
if (classScope->isRedeclaring()) break;
if (m_stmt) m_stmt->outputCPP(cg, ar);
FunctionScopePtr cons = classScope->findConstructor(ar, true);
if (cons && !cons->isAbstract() || m_type != T_ABSTRACT) {
outputJavaFFICPPCreator(cg, ar, cons);
}
}
break;
default:
ASSERT(false);
break;
}
ar->popScope();
}
void MethodStatement::outputCPPFFIStub(CodeGenerator &cg,
AnalysisResultPtr ar) {
FunctionScopePtr funcScope = m_funcScope.lock();
ClassScopePtr clsScope = getClassScope();
bool varArgs = funcScope->isVariableArgument();
bool ret = funcScope->getReturnType();
string fname = funcScope->getId(cg);
bool inClass = !m_className.empty();
bool isStatic = !inClass || m_modifiers->isStatic();
if (inClass && m_modifiers->isAbstract()) {
return;
}
if (funcScope->getName() == "__offsetget_lval") {
return;
}
if (ret) {
cg_printf("int");
} else {
cg_printf("void");
}
cg_printf(" %s%s%s(", Option::FFIFnPrefix,
(inClass ? (m_className + "_cls_").c_str() : ""), fname.c_str());
if (ret) {
cg_printf("void** res");
}
bool first = !ret;
if (!isStatic) {
// instance methods need one additional parameter for the target
if (first) {
first = false;
}
else {
cg_printf(", ");
}
cg_printf("Variant *target");
}
int ac = funcScope->getMaxParamCount();
for (int i = 0; i < ac; ++i) {
if (first) {
first = false;
} else {
cg_printf(", ");
}
cg_printf("Variant *a%d", i);
}
if (varArgs) {
if (!first) {
cg_printf(", ");
}
cg_printf("Variant *va");
}
cg_printf(")");
if (cg.getContext() == CodeGenerator::CppFFIDecl) {
cg_printf(";\n");
} else {
cg_indentBegin(" {\n");
if (ret) {
cg_printf("return hphp_ffi_exportVariant(");
}
if (!inClass) {
// simple function call
cg_printf("%s%s(", Option::FunctionPrefix, fname.c_str());
} else if (isStatic) {
// static method call
cg_printf("%s%s::%s%s(", Option::ClassPrefix,
clsScope->getId(cg).c_str(),
Option::MethodPrefix, funcScope->getName().c_str());
} else {
// instance method call
cg_printf("dynamic_cast<%s%s *>(target->getObjectData())->",
Option::ClassPrefix, clsScope->getId(cg).c_str());
cg_printf("%s%s(", Option::MethodPrefix, funcScope->getName().c_str());
}
first = true;
if (varArgs) {
cg_printf("%d + (va->isNull() ? 0 : va->getArrayData()->size())", ac);
first = false;
}
for (int i = 0; i < ac; ++i) {
if (first) {
first = false;
} else {
cg_printf(", ");
}
cg_printf("*a%d", i);
}
if (varArgs) {
cg_printf(", va->toArray()");
}
if (ret) {
cg_printf("), res");
}
cg_printf(");\n");
cg_indentEnd("}\n");
cg.printImplSplitter();
}
return;
}
void ClassConstant::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
if (cg.getContext() != CodeGenerator::CppClassConstantsDecl &&
cg.getContext() != CodeGenerator::CppClassConstantsImpl) {
return;
}
ClassScopePtr scope = getClassScope();
for (int i = 0; i < m_exp->getCount(); i++) {
AssignmentExpressionPtr exp =
dynamic_pointer_cast<AssignmentExpression>((*m_exp)[i]);
ConstantExpressionPtr var =
dynamic_pointer_cast<ConstantExpression>(exp->getVariable());
TypePtr type = scope->getConstants()->getFinalType(var->getName());
ExpressionPtr value = exp->getValue();
if (scope->getConstants()->isDynamic(var->getName())) {
continue;
}
switch (cg.getContext()) {
case CodeGenerator::CppClassConstantsDecl:
cg_printf("extern const ");
if (type->is(Type::KindOfString)) {
cg_printf("StaticString");
} else {
type->outputCPPDecl(cg, ar, getScope());
}
cg_printf(" %s%s%s%s;\n",
Option::ClassConstantPrefix, scope->getId().c_str(),
Option::IdPrefix.c_str(), var->getName().c_str());
break;
case CodeGenerator::CppClassConstantsImpl: {
bool isString = type->is(Type::KindOfString);
bool isVariant = Type::IsMappedToVariant(type);
ScalarExpressionPtr scalarExp =
dynamic_pointer_cast<ScalarExpression>(value);
bool stringForVariant = false;
if (isVariant && scalarExp &&
scalarExp->getActualType() &&
scalarExp->getActualType()->is(Type::KindOfString)) {
cg_printf("static const StaticString %s%s%s%s%sv(LITSTR_INIT(%s));\n",
Option::ClassConstantPrefix, scope->getId().c_str(),
Option::IdPrefix.c_str(), var->getName().c_str(),
Option::IdPrefix.c_str(),
scalarExp->getCPPLiteralString().c_str());
stringForVariant = true;
}
cg_printf("const ");
if (isString) {
cg_printf("StaticString");
} else {
type->outputCPPDecl(cg, ar, getScope());
}
value->outputCPPBegin(cg, ar);
cg_printf(" %s%s%s%s",
Option::ClassConstantPrefix, scope->getId().c_str(),
Option::IdPrefix.c_str(), var->getName().c_str());
cg_printf(isString ? "(" : " = ");
if (stringForVariant) {
cg_printf("%s%s%s%s%sv",
Option::ClassConstantPrefix, scope->getId().c_str(),
Option::IdPrefix.c_str(), var->getName().c_str(),
Option::IdPrefix.c_str());
} else if (isString && scalarExp) {
cg_printf("LITSTR_INIT(%s)",
scalarExp->getCPPLiteralString().c_str());
} else {
value->outputCPP(cg, ar);
}
cg_printf(isString ? ");\n" : ";\n");
value->outputCPPEnd(cg, ar);
break;
}
default:
assert(false);
}
}
}
bool ObjectPropertyExpression::outputCPPObject(CodeGenerator &cg,
AnalysisResultPtr ar,
bool noEvalOnError) {
if (m_object->isThis()) {
TypePtr thisImplType(m_object->getImplementedType());
TypePtr thisActType (m_object->getActualType());
bool close = false;
if (m_valid && thisImplType) {
ASSERT(thisActType);
ASSERT(!Type::SameType(thisActType, thisImplType));
ClassScopePtr implCls(thisImplType->getClass(ar, getScope()));
if (implCls &&
!implCls->derivesFrom(ar, thisActType->getName(), true, false)) {
// This happens in this case:
// if ($this instanceof Y) {
// ... $this->prop ...
// }
ClassScopePtr cls(thisActType->getClass(ar, getScope()));
ASSERT(cls && !cls->derivedByDynamic()); // since we don't do type
// assertions for these
cg_printf("static_cast<%s%s*>(",
Option::ClassPrefix,
cls->getId().c_str());
close = true;
}
}
if (m_valid) {
if (!m_object->getOriginalClass()) {
m_valid = false;
} else {
FunctionScopeRawPtr fs = m_object->getOriginalFunction();
if (!fs || fs->isStatic()) {
m_valid = false;
} else if (m_object->getOriginalClass() != getClassScope()) {
if (m_object->getOriginalClass()->isRedeclaring()) {
m_valid = false;
} else {
m_objectClass = getClassScope();
}
}
}
}
if (m_valid) {
if (close) cg_printf("this");
} else {
if (!getClassScope() || getClassScope()->derivedByDynamic() ||
!static_pointer_cast<SimpleVariable>(m_object)->isGuardedThis()) {
if (close) {
cg_printf("GET_THIS_VALID()");
} else {
cg_printf("GET_THIS_ARROW()");
}
}
}
if (close) {
cg_printf(")->");
}
} else if (m_valid) {
TypePtr act;
if (!m_object->hasCPPTemp() && m_object->getImplementedType() &&
!Type::SameType(m_object->getImplementedType(),
m_object->getActualType())) {
act = m_object->getActualType();
m_object->setActualType(m_object->getImplementedType());
ClassScopePtr cls = ar->findExactClass(shared_from_this(),
act->getName());
cg_printf("((%s%s*)", Option::ClassPrefix, cls->getId().c_str());
}
m_object->outputCPP(cg, ar);
if (act) {
if (m_object->getImplementedType()->is(Type::KindOfObject)) {
cg_printf(".get())");
} else {
cg_printf(".getObjectData())");
}
m_object->setActualType(act);
}
cg_printf("->");
} else {
TypePtr t = m_object->getType();
bool ok = t && (t->is(Type::KindOfObject) || t->is(Type::KindOfVariant));
if (noEvalOnError && !ok) {
if (!t || !t->is(Type::KindOfArray)) {
cg_printf("(");
if (m_object->outputCPPUnneeded(cg, ar)) cg_printf(", ");
return true;
}
}
ok = ok || !t;
if (!ok) cg_printf("Variant(");
m_object->outputCPP(cg, ar);
if (!ok) cg_printf(")");
cg_printf(".");
}
if (m_valid && m_propSym->isPrivate() &&
m_objectClass != getOriginalClass()) {
cg_printf("%s%s::",
Option::ClassPrefix, getOriginalClass()->getId().c_str());
}
return false;
}
