ClassScopePtr
ClassScope::findSingleTraitWithMethod(AnalysisResultPtr ar,
const string &methodName) const {
assert(Option::WholeProgram);
ClassScopePtr trait = ClassScopePtr();
for (unsigned i = 0; i < m_usedTraitNames.size(); i++) {
ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]);
if (!tCls) continue;
if (tCls->hasMethod(methodName)) {
if (trait) { // more than one trait contains method
return ClassScopePtr();
}
trait = tCls;
}
}
return trait;
}
MethodStatementPtr
ClassScope::findTraitMethod(AnalysisResultPtr ar,
ClassScopePtr trait,
const string &methodName,
std::set<ClassScopePtr> &visitedTraits) {
if (visitedTraits.find(trait) != visitedTraits.end()) {
return MethodStatementPtr();
}
visitedTraits.insert(trait);
ClassStatementPtr tStmt =
dynamic_pointer_cast<ClassStatement>(trait->getStmt());
StatementListPtr tStmts = tStmt->getStmts();
// Look in the current trait
for (int s = 0; s < tStmts->getCount(); s++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*tStmts)[s]);
if (meth) { // Handle methods
if (meth->getName() == methodName) {
return meth;
}
}
}
// Look into children traits
for (int s = 0; s < tStmts->getCount(); s++) {
UseTraitStatementPtr useTraitStmt =
dynamic_pointer_cast<UseTraitStatement>((*tStmts)[s]);
if (useTraitStmt) {
vector<string> usedTraits;
useTraitStmt->getUsedTraitNames(usedTraits);
for (unsigned i = 0; i < usedTraits.size(); i++) {
MethodStatementPtr foundMethod =
findTraitMethod(ar, ar->findClass(usedTraits[i]), methodName,
visitedTraits);
if (foundMethod) return foundMethod;
}
}
}
return MethodStatementPtr(); // not found
}
void ObjectMethodExpression::analyzeProgram(AnalysisResultPtr ar) {
FunctionCall::analyzeProgram(ar);
m_object->analyzeProgram(ar);
if (ar->getPhase() == AnalysisResult::AnalyzeAll) {
FunctionScopePtr func = m_funcScope;
if (!func && m_object->isThis() && !m_name.empty()) {
ClassScopePtr cls = getClassScope();
if (cls) {
m_classScope = cls;
m_funcScope = func = cls->findFunction(ar, m_name, true, true);
if (func) {
func->addCaller(getScope());
}
}
}
markRefParams(func, m_name, canInvokeFewArgs());
}
// This is OK because AnalyzeFinal is guaranteed to run for a CPP
// target, regardless of opts (and we only need the following
// for CPP targets)
if (ar->getPhase() == AnalysisResult::AnalyzeFinal) {
// necessary because we set the expected type of m_object to
// Type::Some during type inference.
TypePtr at(m_object->getActualType());
TypePtr it(m_object->getImplementedType());
if (!m_object->isThis() && at && at->is(Type::KindOfObject)) {
if (at->isSpecificObject() && it && Type::IsMappedToVariant(it)) {
// fast-cast inference
ClassScopePtr scope(ar->findClass(at->getName()));
if (scope) {
// add a dependency to m_object's class type
// to allow the fast cast to succeed
addUserClass(ar, at->getName());
}
}
m_object->setExpectedType(at);
}
}
}
TypePtr ParameterExpression::getTypeSpecForClass(AnalysisResultPtr ar,
bool forInference) {
TypePtr ret;
if (forInference) {
ClassScopePtr cls = ar->findClass(m_type);
if (Option::SystemGen ||
!cls || cls->isRedeclaring() || cls->derivedByDynamic()) {
if (!cls && getScope()->isFirstPass()) {
ConstructPtr self = shared_from_this();
Compiler::Error(Compiler::UnknownClass, self);
}
ret = Type::Variant;
}
}
if (!ret) {
ret = Type::CreateObjectType(m_type);
}
assert(ret);
return ret;
}
void ClassScope::importTraitProperties(AnalysisResultPtr ar) {
for (const auto& name : m_usedTraitNames) {
auto tCls = ar->findClass(name);
if (!tCls) continue;
auto tStmt = dynamic_pointer_cast<ClassStatement>(tCls->getStmt());
auto tStmts = tStmt->getStmts();
if (!tStmts) continue;
for (int s = 0; s < tStmts->getCount(); s++) {
auto prop = dynamic_pointer_cast<ClassVariable>((*tStmts)[s]);
if (prop) {
auto cloneProp = dynamic_pointer_cast<ClassVariable>(
dynamic_pointer_cast<ClassStatement>(m_stmt)->addClone(prop));
cloneProp->resetScope(shared_from_this());
cloneProp->addTraitPropsToScope(ar,
dynamic_pointer_cast<ClassScope>(shared_from_this()));
}
}
}
}
void ClassScope::importTraitProperties(AnalysisResultPtr ar) {
for (unsigned i = 0; i < m_usedTraitNames.size(); i++) {
ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]);
if (!tCls) continue;
ClassStatementPtr tStmt =
dynamic_pointer_cast<ClassStatement>(tCls->getStmt());
StatementListPtr tStmts = tStmt->getStmts();
if (!tStmts) continue;
for (int s = 0; s < tStmts->getCount(); s++) {
ClassVariablePtr prop =
dynamic_pointer_cast<ClassVariable>((*tStmts)[s]);
if (prop) {
ClassVariablePtr cloneProp = dynamic_pointer_cast<ClassVariable>(
dynamic_pointer_cast<ClassStatement>(m_stmt)->addClone(prop));
cloneProp->resetScope(shared_from_this());
cloneProp->addTraitPropsToScope(ar,
dynamic_pointer_cast<ClassScope>(shared_from_this()));
}
}
}
}
void ObjectMethodExpression::outputCPPObjectCall(CodeGenerator &cg,
AnalysisResultPtr ar) {
outputCPPObject(cg, ar);
bool isThis = m_object->isThis();
if (!isThis) {
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();
} 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().c_str());
}
}
TypePtr ConstantTable::checkBases(const std::string &name, TypePtr type,
bool coerce, AnalysisResultPtr ar,
ConstructPtr construct,
const std::vector<std::string> &bases,
BlockScope *&defScope) {
TypePtr actualType;
defScope = NULL;
ClassScopePtr parent = findParent(ar, name);
if (parent) {
actualType = parent->checkConst(name, type, coerce, ar, construct,
parent->getBases(), defScope);
if (defScope) return actualType;
}
for (int i = bases.size() - 1; i >= (parent ? 1 : 0); i--) {
const string &base = bases[i];
ClassScopePtr super = ar->findClass(base);
if (!super) continue;
actualType = super->checkConst(name, type, coerce, ar, construct,
super->getBases(), defScope);
if (defScope) return actualType;
}
return actualType;
}
bool StaticClassName::checkPresent() {
if (m_self || m_parent || m_static) return true;
BlockScopeRawPtr scope = originalScope(this);
FileScopeRawPtr currentFile = scope->getContainingFile();
if (currentFile) {
AnalysisResultPtr ar = currentFile->getContainingProgram();
ClassScopeRawPtr cls = ar->findClass(m_className);
if (!cls) return false;
if (!cls->isVolatile()) return true;
if (currentFile->resolveClass(cls)) return true;
if (currentFile->checkClass(m_className)) return true;
}
if (ClassScopePtr self = scope->getContainingClass()) {
if (m_className == self->getName() ||
self->derivesFrom(scope->getContainingProgram(), m_className,
true, false)) {
return true;
}
}
return false;
}
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 ClassScope::collectMethods(AnalysisResultPtr ar,
StringToFunctionScopePtrMap &funcs,
bool collectPrivate /* = true */,
bool forInvoke /* = false */) {
// add all functions this class has
for (FunctionScopePtrVec::const_iterator iter =
m_functionsVec.begin(); iter != m_functionsVec.end(); ++iter) {
const FunctionScopePtr &fs = *iter;
if (!collectPrivate && fs->isPrivate()) continue;
FunctionScopePtr &func = funcs[fs->getName()];
if (!func) {
func = fs;
} else {
func->setVirtual();
fs->setVirtual();
fs->setHasOverride();
if (fs->isFinal()) {
std::string s__MockClass = "__MockClass";
ClassScopePtr derivedClass = func->getContainingClass();
if (derivedClass->m_userAttributes.find(s__MockClass) ==
derivedClass->m_userAttributes.end()) {
Compiler::Error(Compiler::InvalidOverride,
fs->getStmt(), func->getStmt());
}
}
}
}
int n = forInvoke ? m_parent.empty() ? 0 : 1 : m_bases.size();
// walk up
for (int i = 0; i < n; i++) {
const string &base = m_bases[i];
ClassScopePtr super = ar->findClass(base);
if (super) {
if (super->isRedeclaring()) {
if (forInvoke) continue;
const ClassScopePtrVec &classes = ar->findRedeclaredClasses(base);
StringToFunctionScopePtrMap pristine(funcs);
BOOST_FOREACH(ClassScopePtr cls, classes) {
cls->m_derivedByDynamic = true;
StringToFunctionScopePtrMap cur(pristine);
derivedMagicMethods(cls);
cls->collectMethods(ar, cur, false, forInvoke);
inheritedMagicMethods(cls);
funcs.insert(cur.begin(), cur.end());
cls->getVariables()->
forceVariants(ar, VariableTable::AnyNonPrivateVars);
}
if (base == m_parent) {
m_derivesFromRedeclaring = DirectFromRedeclared;
getVariables()->forceVariants(ar, VariableTable::AnyNonPrivateVars,
false);
getVariables()->setAttribute(VariableTable::NeedGlobalPointer);
} else if (isInterface()) {
m_derivesFromRedeclaring = DirectFromRedeclared;
}
setVolatile();
} else {
derivedMagicMethods(super);
super->collectMethods(ar, funcs, false, forInvoke);
inheritedMagicMethods(super);
if (super->derivesFromRedeclaring()) {
if (base == m_parent) {
m_derivesFromRedeclaring = IndirectFromRedeclared;
getVariables()->forceVariants(ar, VariableTable::AnyNonPrivateVars);
} else if (isInterface()) {
m_derivesFromRedeclaring = IndirectFromRedeclared;
}
setVolatile();
} else if (super->isVolatile()) {
setVolatile();
}
}
} else {
void SimpleFunctionCall::outputCPPImpl(CodeGenerator &cg,
AnalysisResultPtr ar) {
bool linemap = outputLineMap(cg, ar, true);
if (!m_lambda.empty()) {
cg.printf("\"%s\"", m_lambda.c_str());
if (linemap) cg.printf(")");
return;
}
if (m_className.empty()) {
if (m_type == DefineFunction && m_params && m_params->getCount() >= 2) {
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>((*m_params)[0]);
string varName;
if (name) {
varName = name->getIdentifier();
ExpressionPtr value = (*m_params)[1];
if (varName.empty()) {
cg.printf("throw_fatal(\"bad define\")");
} else if (m_dynamicConstant) {
cg.printf("g->declareConstant(\"%s\", g->%s%s, ",
varName.c_str(), Option::ConstantPrefix,
varName.c_str());
value->outputCPP(cg, ar);
cg.printf(")");
} else {
bool needAssignment = true;
bool isSystem = ar->getConstants()->isSystem(varName);
if (isSystem ||
((!ar->isConstantRedeclared(varName)) && value->isScalar())) {
needAssignment = false;
}
if (needAssignment) {
cg.printf("%s%s = ", Option::ConstantPrefix, varName.c_str());
value->outputCPP(cg, ar);
}
}
} else {
cg.printf("throw_fatal(\"bad define\")");
}
if (linemap) cg.printf(")");
return;
}
if (m_name == "func_num_args") {
cg.printf("num_args");
if (linemap) cg.printf(")");
return;
}
switch (m_type) {
case VariableArgumentFunction:
{
FunctionScopePtr func =
dynamic_pointer_cast<FunctionScope>(ar->getScope());
if (func) {
cg.printf("%s(", m_name.c_str());
func->outputCPPParamsCall(cg, ar, true);
if (m_params) {
cg.printf(",");
m_params->outputCPP(cg, ar);
}
cg.printf(")");
if (linemap) cg.printf(")");
return;
}
}
break;
case FunctionExistsFunction:
case ClassExistsFunction:
case InterfaceExistsFunction:
{
bool literalString = false;
string symbol;
if (m_params && m_params->getCount() == 1) {
ExpressionPtr value = (*m_params)[0];
if (value->isScalar()) {
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>(value);
if (name && name->isLiteralString()) {
literalString = true;
symbol = name->getLiteralString();
}
}
}
if (literalString) {
switch (m_type) {
case FunctionExistsFunction:
{
const std::string &lname = Util::toLower(symbol);
bool dynInvoke = Option::DynamicInvokeFunctions.find(lname) !=
Option::DynamicInvokeFunctions.end();
if (!dynInvoke) {
FunctionScopePtr func = ar->findFunction(lname);
if (func) {
if (!func->isDynamic()) {
if (func->isRedeclaring()) {
const char *name = func->getName().c_str();
cg.printf("(%s->%s%s != invoke_failed_%s)",
cg.getGlobals(ar), Option::InvokePrefix,
name, name);
break;
}
cg.printf("true");
break;
}
} else {
cg.printf("false");
break;
}
}
cg.printf("f_function_exists(\"%s\")", lname.c_str());
}
break;
case ClassExistsFunction:
{
ClassScopePtr cls = ar->findClass(Util::toLower(symbol));
if (cls && !cls->isInterface()) {
const char *name = cls->getName().c_str();
cg.printf("f_class_exists(\"%s\")", name);
} else {
cg.printf("false");
}
}
break;
case InterfaceExistsFunction:
{
ClassScopePtr cls = ar->findClass(Util::toLower(symbol));
if (cls && cls->isInterface()) {
const char *name = cls->getName().c_str();
cg.printf("f_interface_exists(\"%s\")", name);
} else {
cg.printf("false");
}
}
break;
default:
break;
}
if (linemap) cg.printf(")");
return;
}
}
break;
case GetDefinedVarsFunction:
cg.printf("get_defined_vars(variables)");
if (linemap) cg.printf(")");
return;
default:
break;
}
}
outputCPPParamOrderControlled(cg, ar);
if (linemap) cg.printf(")");
}
void SimpleFunctionCall::outputCPPParamOrderControlled(CodeGenerator &cg,
AnalysisResultPtr ar) {
if (m_className.empty()) {
switch (m_type) {
case ExtractFunction:
cg.printf("extract(variables, ");
FunctionScope::outputCPPArguments(m_params, cg, ar, 0, false);
cg.printf(")");
return;
case CompactFunction:
cg.printf("compact(variables, ");
FunctionScope::outputCPPArguments(m_params, cg, ar, -1, true);
cg.printf(")");
return;
default:
break;
}
}
bool volatileCheck = false;
ClassScopePtr cls;
if (!m_className.empty()) {
cls = ar->findClass(m_className);
if (cls && !ar->checkClassPresent(m_origClassName)) {
volatileCheck = true;
cls->outputVolatileCheckBegin(cg, ar, cls->getOriginalName());
}
}
if (m_valid) {
bool tooManyArgs =
(m_params && m_params->outputCPPTooManyArgsPre(cg, ar, m_name));
if (!m_className.empty()) {
cg.printf("%s%s::", Option::ClassPrefix, m_className.c_str());
if (m_name == "__construct" && cls) {
FunctionScopePtr func = cls->findConstructor(ar, true);
cg.printf("%s%s(", Option::MethodPrefix, func->getName().c_str());
} else {
cg.printf("%s%s(", Option::MethodPrefix, m_name.c_str());
}
} else {
int paramCount = m_params ? m_params->getCount() : 0;
if (m_name == "get_class" && ar->getClassScope() && paramCount == 0) {
cg.printf("(\"%s\"", ar->getClassScope()->getOriginalName());
} else if (m_name == "get_parent_class" && ar->getClassScope() &&
paramCount == 0) {
const std::string parentClass = ar->getClassScope()->getParent();
if (!parentClass.empty()) {
cg.printf("(\"%s\"", ar->getClassScope()->getParent().c_str());
} else {
cg.printf("(false");
}
} else {
if (m_noPrefix) {
cg.printf("%s(", m_name.c_str());
}
else {
cg.printf("%s%s(", m_builtinFunction ? Option::BuiltinFunctionPrefix :
Option::FunctionPrefix, m_name.c_str());
}
}
}
FunctionScope::outputCPPArguments(m_params, cg, ar, m_extraArg,
m_variableArgument, m_argArrayId);
cg.printf(")");
if (tooManyArgs) {
m_params->outputCPPTooManyArgsPost(cg, ar, m_voidReturn);
}
} else {
if (m_className.empty()) {
if (m_redeclared && !m_dynamicInvoke) {
if (canInvokeFewArgs()) {
cg.printf("%s->%s%s_few_args(", cg.getGlobals(ar),
Option::InvokePrefix, m_name.c_str());
int left = Option::InvokeFewArgsCount;
if (m_params && m_params->getCount()) {
left -= m_params->getCount();
cg.printf("%d, ", m_params->getCount());
FunctionScope::outputCPPArguments(m_params, cg, ar, 0, false);
} else {
cg.printf("0");
}
for (int i = 0; i < left; i++) {
cg.printf(", null_variant");
}
cg.printf(")");
return;
} else {
cg.printf("%s->%s%s(", cg.getGlobals(ar), Option::InvokePrefix,
m_name.c_str());
}
} else {
cg.printf("invoke(\"%s\", ", m_name.c_str());
}
} else {
bool inObj = m_parentClass && ar->getClassScope() &&
!dynamic_pointer_cast<FunctionScope>(ar->getScope())->isStatic();
if (m_redeclaredClass) {
if (inObj) { // parent is redeclared
cg.printf("parent->%sinvoke(\"%s\",", Option::ObjectPrefix,
m_name.c_str());
} else {
cg.printf("%s->%s%s->%sinvoke(\"%s\", \"%s\",",
cg.getGlobals(ar),
Option::ClassStaticsObjectPrefix,
m_className.c_str(), Option::ObjectStaticPrefix,
m_className.c_str(),
m_name.c_str());
}
} else if (m_validClass) {
if (inObj) {
cg.printf("%s%s::%sinvoke(\"%s\",",
Option::ClassPrefix, m_className.c_str(),
Option::ObjectPrefix, m_name.c_str());
} else {
cg.printf("%s%s::%sinvoke(\"%s\", \"%s\",",
Option::ClassPrefix, m_className.c_str(),
Option::ObjectStaticPrefix,
m_className.c_str(),
m_name.c_str());
}
} else {
cg.printf("invoke_static_method(\"%s\", \"%s\",",
m_className.c_str(), m_name.c_str());
}
}
if ((!m_params) || (m_params->getCount() == 0)) {
cg.printf("Array()");
} else {
FunctionScope::outputCPPArguments(m_params, cg, ar, -1, false);
}
bool needHash = true;
if (m_className.empty()) {
needHash = !(m_redeclared && !m_dynamicInvoke);
} else {
needHash = m_validClass || m_redeclaredClass;
}
if (!needHash) {
cg.printf(")");
} else {
cg.printf(", 0x%.16lXLL)", hash_string_i(m_name.data(), m_name.size()));
}
}
if (volatileCheck) {
cls->outputVolatileCheckEnd(cg);
}
}
ExpressionPtr SimpleFunctionCall::preOptimize(AnalysisResultPtr ar) {
ar->preOptimize(m_nameExp);
ar->preOptimize(m_params);
if (ar->getPhase() != AnalysisResult::SecondPreOptimize) {
return ExpressionPtr();
}
// optimize away various "exists" functions, this may trigger
// dead code elimination and improve type-inference.
if (m_className.empty() &&
(m_type == DefinedFunction ||
m_type == FunctionExistsFunction ||
m_type == ClassExistsFunction ||
m_type == InterfaceExistsFunction) &&
m_params && m_params->getCount() == 1) {
ExpressionPtr value = (*m_params)[0];
if (value->isScalar()) {
ScalarExpressionPtr name = dynamic_pointer_cast<ScalarExpression>(value);
if (name && name->isLiteralString()) {
string symbol = name->getLiteralString();
switch (m_type) {
case DefinedFunction: {
ConstantTablePtr constants = ar->getConstants();
// system constant
if (constants->isPresent(symbol)) {
return CONSTANT("true");
}
// user constant
BlockScopePtr block = ar->findConstantDeclarer(symbol);
// not found (i.e., undefined)
if (!block) {
if (symbol.find("::") == std::string::npos) {
return CONSTANT("false");
} else {
// e.g., defined("self::ZERO")
return ExpressionPtr();
}
}
constants = block->getConstants();
// already set to be dynamic
if (constants->isDynamic(symbol)) return ExpressionPtr();
ConstructPtr decl = constants->getValue(symbol);
ExpressionPtr constValue = dynamic_pointer_cast<Expression>(decl);
if (constValue->isScalar()) {
return CONSTANT("true");
} else {
return ExpressionPtr();
}
break;
}
case FunctionExistsFunction: {
const std::string &lname = Util::toLower(symbol);
if (Option::DynamicInvokeFunctions.find(lname) ==
Option::DynamicInvokeFunctions.end()) {
FunctionScopePtr func = ar->findFunction(lname);
if (!func) {
return CONSTANT("false");
} else if (!func->isVolatile()) {
return CONSTANT("true");
}
}
break;
}
case InterfaceExistsFunction: {
ClassScopePtr cls = ar->findClass(Util::toLower(symbol));
if (!cls || !cls->isInterface()) {
return CONSTANT("false");
} else if (!cls->isVolatile()) {
return CONSTANT("true");
}
break;
}
case ClassExistsFunction: {
ClassScopePtr cls = ar->findClass(Util::toLower(symbol));
if (!cls || cls->isInterface()) {
return CONSTANT("false");
} else if (!cls->isVolatile()) {
return CONSTANT("true");
}
break;
}
default:
ASSERT(false);
}
}
}
}
return ExpressionPtr();
}
void SimpleFunctionCall::analyzeProgram(AnalysisResultPtr ar) {
if (m_className.empty()) {
addUserFunction(ar, m_name);
} else if (m_className != "parent") {
addUserClass(ar, m_className);
} else {
m_parentClass = true;
}
if (ar->getPhase() == AnalysisResult::AnalyzeInclude) {
CHECK_HOOK(onSimpleFunctionCallAnalyzeInclude);
ConstructPtr self = shared_from_this();
// We need to know the name of the constant so that we can associate it
// with this file before we do type inference.
if (m_className.empty() && m_type == DefineFunction) {
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>((*m_params)[0]);
string varName;
if (name) {
varName = name->getIdentifier();
if (!varName.empty()) {
ar->getFileScope()->declareConstant(ar, varName);
}
}
// handling define("CONSTANT", ...);
if (m_params && m_params->getCount() >= 2) {
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>((*m_params)[0]);
string varName;
if (name) {
varName = name->getIdentifier();
if (!varName.empty()) {
ExpressionPtr value = (*m_params)[1];
ConstantTablePtr constants =
ar->findConstantDeclarer(varName)->getConstants();
if (constants != ar->getConstants()) {
constants->add(varName, NEW_TYPE(Some), value, ar, self);
if (name->hasHphpNote("Dynamic")) {
constants->setDynamic(ar, varName);
}
}
}
}
}
}
if (m_type == UnserializeFunction) {
ar->forceClassVariants();
}
}
if (ar->getPhase() == AnalysisResult::AnalyzeAll) {
// Look up the corresponding FunctionScope and ClassScope
// for this function call
{
FunctionScopePtr func;
ClassScopePtr cls;
if (m_className.empty()) {
func = ar->findFunction(m_name);
} else {
cls = ar->resolveClass(m_className);
if (cls) {
if (m_name == "__construct") {
func = cls->findConstructor(ar, true);
} else {
func = cls->findFunction(ar, m_name, true, true);
}
}
}
if (func && !func->isRedeclaring()) {
if (m_funcScope != func) {
m_funcScope = func;
Construct::recomputeEffects();
}
}
if (cls && !cls->isRedeclaring())
m_classScope = cls;
}
// check for dynamic constant and volatile function/class
if (m_className.empty() &&
(m_type == DefinedFunction ||
m_type == FunctionExistsFunction ||
m_type == ClassExistsFunction ||
m_type == InterfaceExistsFunction) &&
m_params && m_params->getCount() >= 1) {
ExpressionPtr value = (*m_params)[0];
if (value->isScalar()) {
ScalarExpressionPtr name =
dynamic_pointer_cast<ScalarExpression>(value);
if (name && name->isLiteralString()) {
string symbol = name->getLiteralString();
switch (m_type) {
case DefinedFunction: {
ConstantTablePtr constants = ar->getConstants();
if (!constants->isPresent(symbol)) {
// user constant
BlockScopePtr block = ar->findConstantDeclarer(symbol);
if (block) { // found the constant
constants = block->getConstants();
// set to be dynamic
constants->setDynamic(ar, symbol);
}
}
break;
}
case FunctionExistsFunction: {
FunctionScopePtr func = ar->findFunction(Util::toLower(symbol));
if (func && func->isUserFunction()) {
func->setVolatile();
}
break;
}
case InterfaceExistsFunction:
case ClassExistsFunction: {
ClassScopePtr cls = ar->findClass(Util::toLower(symbol));
if (cls && cls->isUserClass()) {
cls->setVolatile();
}
break;
}
default:
ASSERT(false);
}
}
}
}
}
if (m_params) {
if (ar->getPhase() == AnalysisResult::AnalyzeAll) {
if (m_funcScope) {
ExpressionList ¶ms = *m_params;
int mpc = m_funcScope->getMaxParamCount();
for (int i = params.getCount(); i--; ) {
ExpressionPtr p = params[i];
if (i < mpc ? m_funcScope->isRefParam(i) :
m_funcScope->isReferenceVariableArgument()) {
p->setContext(Expression::RefValue);
} else if (!(p->getContext() & Expression::RefParameter)) {
p->clearContext(Expression::RefValue);
}
}
} else {
FunctionScopePtr func = ar->findFunction(m_name);
if (func && func->isRedeclaring()) {
FunctionScope::RefParamInfoPtr info =
FunctionScope::GetRefParamInfo(m_name);
if (info) {
for (int i = m_params->getCount(); i--; ) {
if (info->isRefParam(i)) {
m_params->markParam(i, canInvokeFewArgs());
}
}
}
} else {
m_params->markParams(false);
}
}
}
m_params->analyzeProgram(ar);
}
}
void ClassScope::importUsedTraits(AnalysisResultPtr ar) {
// Trait flattening is supposed to happen only when we have awareness of the
// whole program.
assert(Option::WholeProgram);
if (m_traitStatus == FLATTENED) return;
if (m_traitStatus == BEING_FLATTENED) {
getStmt()->analysisTimeFatal(
Compiler::CyclicDependentTraits,
"Cyclic dependency between traits involving %s",
getScopeName().c_str()
);
return;
}
if (m_usedTraitNames.size() == 0) {
m_traitStatus = FLATTENED;
return;
}
m_traitStatus = BEING_FLATTENED;
m_numDeclMethods = m_functionsVec.size();
// First, make sure that parent classes have their traits imported.
if (!m_parent.empty()) {
ClassScopePtr parent = ar->findClass(m_parent);
if (parent) {
parent->importUsedTraits(ar);
}
}
TMIData tmid;
if (isTrait()) {
for (auto const& req : getClassRequiredExtends()) {
ClassScopePtr rCls = ar->findClass(req);
if (!rCls || rCls->isFinal() || rCls->isInterface()) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
Strings::TRAIT_BAD_REQ_EXTENDS,
m_scopeName.c_str(),
req.c_str(),
req.c_str()
);
}
}
for (auto const& req : getClassRequiredImplements()) {
ClassScopePtr rCls = ar->findClass(req);
if (!rCls || !(rCls->isInterface())) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
Strings::TRAIT_BAD_REQ_IMPLEMENTS,
m_scopeName.c_str(),
req.c_str(),
req.c_str()
);
}
}
}
// Find trait methods to be imported.
for (unsigned i = 0; i < m_usedTraitNames.size(); i++) {
ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]);
if (!tCls || !(tCls->isTrait())) {
setAttribute(UsesUnknownTrait); // XXX: is this useful ... for anything?
getStmt()->analysisTimeFatal(
Compiler::UnknownTrait,
Strings::TRAITS_UNKNOWN_TRAIT,
m_usedTraitNames[i].c_str()
);
}
// First, make sure the used trait is flattened.
tCls->importUsedTraits(ar);
findTraitMethodsToImport(ar, tCls, tmid);
// Import any interfaces implemented.
tCls->getInterfaces(ar, m_bases, /* recursive */ false);
importClassRequirements(ar, tCls);
}
// Apply rules.
applyTraitRules(tmid);
// Remove methods declared on the current class from the trait import list;
// the class methods take precedence.
for (auto const& methName : tmid.methodNames()) {
if (findFunction(ar, methName, false /* recursive */,
false /* exclIntfBase */)) {
// This does not affect the methodNames() vector.
tmid.erase(methName);
}
}
auto traitMethods = tmid.finish(this);
std::map<string, MethodStatementPtr, stdltistr> importedTraitMethods;
std::vector<std::pair<string,const TraitMethod*>> importedTraitsWithOrigName;
// Actually import the methods.
for (auto const& mdata : traitMethods) {
if ((mdata.tm.modifiers ? mdata.tm.modifiers
: mdata.tm.method->getModifiers()
)->isAbstract()) {
// Skip abstract methods, if the method already exists in the class.
if (findFunction(ar, mdata.name, true) ||
importedTraitMethods.count(mdata.name)) {
continue;
}
}
auto sourceName = mdata.tm.ruleStmt
? ((TraitAliasStatement*)mdata.tm.ruleStmt.get())->getMethodName()
: mdata.name;
importedTraitMethods[sourceName] = MethodStatementPtr();
importedTraitsWithOrigName.push_back(
std::make_pair(sourceName, &mdata.tm));
}
// Make sure there won't be 2 constructors after importing
auto traitConstruct = importedTraitMethods.count("__construct");
auto traitName = importedTraitMethods.count(getScopeName());
auto classConstruct = m_functions.count("__construct");
auto className = m_functions.count(getScopeName());
if ((traitConstruct && traitName) ||
(traitConstruct && className) ||
(classConstruct && traitName)) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
"%s has colliding constructor definitions coming from traits",
getScopeName().c_str()
);
}
for (auto const& traitPair : importedTraitsWithOrigName) {
auto traitMethod = traitPair.second;
MethodStatementPtr newMeth = importTraitMethod(
*traitMethod,
ar,
traitMethod->originalName
);
}
// Import trait properties
importTraitProperties(ar);
m_traitStatus = FLATTENED;
}
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 MethodStatement::outputJavaFFICPPStub(CodeGenerator &cg,
AnalysisResultPtr ar) {
// TODO translate PHP namespace once that is supported
string packageName = Option::JavaFFIRootPackage;
FunctionScopePtr funcScope = m_funcScope.lock();
bool varArgs = funcScope->isVariableArgument();
bool ret = funcScope->getReturnType();
bool inClass = !m_className.empty();
bool isStatic = !inClass || m_modifiers->isStatic();
string fname = funcScope->getId();
int ac = funcScope->getMaxParamCount();
bool exposeNative = !(ac > 0 || varArgs || !isStatic || !ret && inClass);
if (inClass && m_modifiers->isAbstract()) {
// skip all the abstract methods, because hphp doesn't generate code
// for them
return;
}
if (fname == "__lval" || fname == "__offsetget_lval") return;
const char *clsName;
if (inClass) {
// uses capitalized original class name
ClassScopePtr cls = ar->findClass(m_className);
clsName = cls->getOriginalName();
}
else {
clsName = "HphpMain";
}
string mangledName = "Java." + packageName + "." + clsName + "." + fname
+ (exposeNative ? "" : "_native");
// all the existing "_" are replaced as "_1"
Util::replaceAll(mangledName, "_", "_1");
Util::replaceAll(mangledName, ".", "_");
cg.printf("JNIEXPORT %s JNICALL\n", ret ? "jobject" : "void");
cg.printf("%s(JNIEnv *env, %s target", mangledName.c_str(),
(isStatic ? "jclass" : "jobject"));
ostringstream args;
bool first = true;
if (!isStatic) {
// instance method also gets an additional argument, which is a Variant
// pointer to the target, encoded in int64
first = false;
cg.printf(", jlong targetPtr");
args << "(Variant *)targetPtr";
}
for (int i = 0; i < ac; i++) {
cg.printf(", jlong a%d", i);
if (first) first = false;
else args << ", ";
args << "(Variant *)a" << i;
}
if (varArgs) {
cg.printf(", jlong va");
if (!first) args << ", ";
args << "(Variant *)va";
}
if (cg.getContext() == CodeGenerator::JavaFFICppDecl) {
// java_stubs.h
cg.printf(");\n\n");
return;
}
cg.indentBegin(") {\n");
// support static/instance methods
if (ret) {
cg.printf("void *result;\n");
cg.printf("int kind = ");
cg.printf("%s%s%s(&result",
Option::FFIFnPrefix,
(inClass ? (m_className + "_cls_").c_str() : ""), fname.c_str());
if (!isStatic || ac > 0 || varArgs) cg.printf(", ");
}
else {
cg.printf("%s%s%s(", Option::FFIFnPrefix,
(inClass ? (m_className + "_cls_").c_str() : ""),
fname.c_str());
}
cg.printf("%s);\n", args.str().c_str());
if (ret) {
if (!inClass) {
// HphpMain extends hphp.Hphp.
cg.printf("jclass hphp = env->GetSuperclass(target);\n");
}
else {
cg.printf("jclass hphp = env->FindClass(\"hphp/Hphp\");\n");
}
cg.printf("return exportVariantToJava(env, hphp, result, kind);\n");
}
cg.indentEnd("} /* function */\n\n");
}
TypePtr ObjectPropertyExpression::inferTypes(AnalysisResultPtr ar,
TypePtr type, bool coerce) {
m_valid = false;
ConstructPtr self = shared_from_this();
TypePtr objectType = m_object->inferAndCheck(ar, NEW_TYPE(Object), false);
if (!m_property->is(Expression::KindOfScalarExpression)) {
// if dynamic property or method, we have nothing to find out
if (ar->isFirstPass()) {
ar->getCodeError()->record(self, CodeError::UseDynamicProperty, self);
}
m_property->inferAndCheck(ar, Type::String, false);
// we also lost track of which class variable an expression is about, hence
// any type inference could be wrong. Instead, we just force variants on
// all class variables.
if (m_context & (LValue | RefValue)) {
ar->forceClassVariants();
}
return Type::Variant; // we have to use a variant to hold dynamic value
}
ScalarExpressionPtr exp = dynamic_pointer_cast<ScalarExpression>(m_property);
string name = exp->getString();
ASSERT(!name.empty());
m_property->inferAndCheck(ar, Type::String, false);
ClassScopePtr cls;
if (objectType && !objectType->getName().empty()) {
// what object-> has told us
cls = ar->findExactClass(objectType->getName());
} else {
// what ->property has told us
cls = ar->findClass(name, AnalysisResult::PropertyName);
if (cls) {
objectType =
m_object->inferAndCheck(ar, Type::CreateObjectType(cls->getName()),
false);
}
if ((m_context & LValue) &&
objectType && !objectType->is(Type::KindOfObject) &&
!objectType->is(Type::KindOfVariant) &&
!objectType->is(Type::KindOfSome) &&
!objectType->is(Type::KindOfAny)) {
m_object->inferAndCheck(ar, NEW_TYPE(Object), true);
}
}
if (!cls) {
if (m_context & (LValue | RefValue)) {
ar->forceClassVariants(name);
}
return Type::Variant;
}
const char *accessorName = hasContext(DeepAssignmentLHS) ? "__set" :
hasContext(ExistContext) ? "__isset" :
hasContext(UnsetContext) ? "__unset" : "__get";
if (!cls->implementsAccessor(ar, accessorName)) clearEffect(AccessorEffect);
// resolved to this class
int present = 0;
if (m_context & RefValue) {
type = Type::Variant;
coerce = true;
}
// use $this inside a static function
if (m_object->isThis()) {
FunctionScopePtr func = ar->getFunctionScope();
if (func->isStatic()) {
if (ar->isFirstPass()) {
ar->getCodeError()->record(self, CodeError::MissingObjectContext,
self);
}
m_actualType = Type::Variant;
return m_actualType;
}
}
TypePtr ret;
if (!cls->derivesFromRedeclaring()) { // Have to use dynamic.
ret = cls->checkProperty(name, type, coerce, ar, self, present);
// Private only valid if in the defining class
if (present && (getOriginalScope(ar) == cls ||
!(present & VariableTable::VariablePrivate))) {
m_valid = true;
m_static = present & VariableTable::VariableStatic;
if (m_static) {
ar->getScope()->getVariables()->
setAttribute(VariableTable::NeedGlobalPointer);
}
m_class = cls;
}
}
// get() will return Variant
if (!m_valid || !m_object->getType()->isSpecificObject()) {
m_actualType = Type::Variant;
return m_actualType;
}
clearEffect(AccessorEffect);
if (ar->getPhase() == AnalysisResult::LastInference) {
if (!(m_context & ObjectContext)) {
m_object->clearContext(Expression::LValue);
}
setContext(Expression::NoLValueWrapper);
}
return ret;
}
TypePtr Type::Intersection(AnalysisResultPtr ar, TypePtr from, TypePtr to) {
// Special case: if we're casting to Some or Any, return the "from" type;
// if we're casting to Variant, return Variant.
if (to->m_kindOf == KindOfSome || to->m_kindOf == KindOfAny) {
return from;
} else if (to->m_kindOf == KindOfVariant) {
return Variant;
}
int resultKind = to->m_kindOf & from->m_kindOf;
std::string resultName = "";
if (resultKind & KindOfObject) {
// if they're the same, or we don't know one's name, then use
// the other
if (to->m_name == from->m_name || from->m_name.empty()) {
resultName = to->m_name;
} else if (to->m_name.empty()) {
resultName = from->m_name;
} else {
// make sure there's a subclass relation
ClassScopePtr cls = ar->findClass(from->m_name);
if (cls) {
if (cls->derivesFrom(ar, to->m_name, true, false)) {
resultName = to->m_name;
} else {
resultKind &= ~KindOfObject;
}
}
}
}
TypePtr res;
// If there is overlap (for instance, they were the same, or we've narrowed
// down something like Sequenece to be more specific), then return the
// intersection of the types.
if (resultKind) {
res = TypePtr(new Type((KindOf)resultKind, resultName));
} else if (from->mustBe(KindOfObject) && to->m_kindOf == KindOfPrimitive) {
// Special case Object -> Primitive: can we tostring it?
if (!from->m_name.empty()) {
ClassScopePtr cls = ar->findClass(from->m_name);
if (cls && cls->findFunction(ar, "__tostring", true)) {
res = Type::String;
}
}
// Otherwise, return Byte
res = Byte;
} else if (from->m_kindOf == KindOfBoolean
&& to->mustBe(KindOfNumeric | KindOfArray | KindOfString)
&& !IsExactType(to->m_kindOf)) {
res = Byte;
} else {
res = to;
}
if (from->mustBe(KindOfBoolean) && to->m_kindOf == KindOfPrimitive) {
res = Byte;
}
return res;
}
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 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;
}
}
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 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 ClassScope::importUsedTraits(AnalysisResultPtr ar) {
// Trait flattening is supposed to happen only when we have awareness of
// the whole program.
assert(Option::WholeProgram);
if (m_traitStatus == FLATTENED) return;
if (m_traitStatus == BEING_FLATTENED) {
getStmt()->analysisTimeFatal(
Compiler::CyclicDependentTraits,
"Cyclic dependency between traits involving %s",
getOriginalName().c_str()
);
return;
}
if (m_usedTraitNames.size() == 0) {
m_traitStatus = FLATTENED;
return;
}
m_traitStatus = BEING_FLATTENED;
// First, make sure that parent classes have their traits imported
if (!m_parent.empty()) {
ClassScopePtr parent = ar->findClass(m_parent);
if (parent) {
parent->importUsedTraits(ar);
}
}
if (isTrait()) {
for (auto const& req : getTraitRequiredExtends()) {
ClassScopePtr rCls = ar->findClass(req);
if (!rCls || rCls->isFinal() || rCls->isInterface()) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
Strings::TRAIT_BAD_REQ_EXTENDS,
m_originalName.c_str(),
req.c_str(),
req.c_str()
);
}
}
for (auto const& req : getTraitRequiredImplements()) {
ClassScopePtr rCls = ar->findClass(req);
if (!rCls || !(rCls->isInterface())) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
Strings::TRAIT_BAD_REQ_IMPLEMENTS,
m_originalName.c_str(),
req.c_str(),
req.c_str()
);
}
}
}
// Find trait methods to be imported
for (unsigned i = 0; i < m_usedTraitNames.size(); i++) {
ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]);
if (!tCls || !(tCls->isTrait())) {
setAttribute(UsesUnknownTrait); // XXX: is this useful ... for anything?
getStmt()->analysisTimeFatal(
Compiler::UnknownTrait,
Strings::TRAITS_UNKNOWN_TRAIT,
m_usedTraitNames[i].c_str()
);
}
// First, make sure the used trait is flattened
tCls->importUsedTraits(ar);
findTraitMethodsToImport(ar, tCls);
// Import any interfaces implemented
tCls->getInterfaces(ar, m_bases, false);
}
for (unsigned i = 0; i < m_usedTraitNames.size(); i++) {
// Requirements must be checked in a separate loop because the
// interfaces required by one trait may be implemented by another trait
// whose "use" appears later in the class' scope
ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]);
importTraitRequirements(ar, tCls);
}
// Apply rules
applyTraitRules(ar);
// Remove trait abstract methods provided by other traits and duplicates
removeSpareTraitAbstractMethods(ar);
// Apply precedence of current class over used traits
for (MethodToTraitListMap::iterator iter = m_importMethToTraitMap.begin();
iter != m_importMethToTraitMap.end(); ) {
MethodToTraitListMap::iterator thisiter = iter;
iter++;
if (findFunction(ar, thisiter->first, 0, 0) != FunctionScopePtr()) {
m_importMethToTraitMap.erase(thisiter);
}
}
std::map<string, MethodStatementPtr> importedTraitMethods;
std::vector<std::pair<string,const TraitMethod*>> importedTraitsWithOrigName;
// Actually import the methods
for (MethodToTraitListMap::const_iterator
iter = m_importMethToTraitMap.begin();
iter != m_importMethToTraitMap.end(); iter++) {
// The rules may rule out a method from all traits.
// In this case, simply don't import the method.
if (iter->second.size() == 0) {
continue;
}
// Consistency checking: each name must only refer to one imported method
if (iter->second.size() > 1) {
getStmt()->analysisTimeFatal(
Compiler::MethodInMultipleTraits,
Strings::METHOD_IN_MULTIPLE_TRAITS,
iter->first.c_str()
);
} else {
TraitMethodList::const_iterator traitMethIter = iter->second.begin();
if ((traitMethIter->m_modifiers ? traitMethIter->m_modifiers :
traitMethIter->m_method->getModifiers())->isAbstract()) {
// Skip abstract methods, if method already exists in the class
if (findFunction(ar, iter->first, true) ||
importedTraitMethods.count(iter->first)) {
continue;
}
}
string sourceName = traitMethIter->m_ruleStmt ?
toLower(((TraitAliasStatement*)traitMethIter->m_ruleStmt.get())->
getMethodName()) : iter->first;
importedTraitMethods[sourceName] = MethodStatementPtr();
importedTraitsWithOrigName.push_back(
make_pair(sourceName, &*traitMethIter));
}
}
// Make sure there won't be 2 constructors after importing
auto traitConstruct = importedTraitMethods.count("__construct");
auto traitName = importedTraitMethods.count(getName());
auto classConstruct = m_functions.count("__construct");
auto className = m_functions.count(getName());
if ((traitConstruct && traitName) ||
(traitConstruct && className) ||
(classConstruct && traitName)) {
getStmt()->analysisTimeFatal(
Compiler::InvalidDerivation,
"%s has colliding constructor definitions coming from traits",
getOriginalName().c_str()
);
}
for (unsigned i = 0; i < importedTraitsWithOrigName.size(); i++) {
const string &sourceName = importedTraitsWithOrigName[i].first;
const TraitMethod *traitMethod = importedTraitsWithOrigName[i].second;
MethodStatementPtr newMeth = importTraitMethod(
*traitMethod, ar, toLower(traitMethod->m_originalName),
importedTraitMethods);
if (newMeth) {
importedTraitMethods[sourceName] = newMeth;
}
}
// Import trait properties
importTraitProperties(ar);
m_traitStatus = FLATTENED;
}
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 ClassScope::collectMethods(AnalysisResultPtr ar,
StringToFunctionScopePtrMap &funcs,
bool collectPrivate) {
// add all functions this class has
for (FunctionScopePtrVec::const_iterator iter =
m_functionsVec.begin(); iter != m_functionsVec.end(); ++iter) {
const FunctionScopePtr &fs = *iter;
if (!collectPrivate && fs->isPrivate()) continue;
FunctionScopePtr &func = funcs[fs->getScopeName()];
if (!func) {
func = fs;
} else {
func->setVirtual();
fs->setVirtual();
fs->setHasOverride();
if (fs->isFinal()) {
std::string s__MockClass = "__MockClass";
ClassScopePtr derivedClass = func->getContainingClass();
if (derivedClass->m_userAttributes.find(s__MockClass) ==
derivedClass->m_userAttributes.end()) {
Compiler::Error(Compiler::InvalidOverride,
fs->getStmt(), func->getStmt());
}
}
}
}
int n = m_bases.size();
for (int i = 0; i < n; i++) {
const string &base = m_bases[i];
ClassScopePtr super = ar->findClass(base);
if (super) {
if (super->isRedeclaring()) {
const ClassScopePtrVec &classes = ar->findRedeclaredClasses(base);
StringToFunctionScopePtrMap pristine(funcs);
for (auto& cls : classes) {
StringToFunctionScopePtrMap cur(pristine);
derivedMagicMethods(cls);
cls->collectMethods(ar, cur, false);
inheritedMagicMethods(cls);
funcs.insert(cur.begin(), cur.end());
}
m_derivesFromRedeclaring = Derivation::Redeclaring;
setVolatile();
} else {
derivedMagicMethods(super);
super->collectMethods(ar, funcs, false);
inheritedMagicMethods(super);
if (super->derivesFromRedeclaring() == Derivation::Redeclaring) {
m_derivesFromRedeclaring = Derivation::Redeclaring;
setVolatile();
} else if (super->isVolatile()) {
setVolatile();
}
}
} else {
Compiler::Error(Compiler::UnknownBaseClass, m_stmt, base);
if (base == m_parent) {
ar->declareUnknownClass(m_parent);
m_derivesFromRedeclaring = Derivation::Redeclaring;
setVolatile();
} else {
/*
* TODO(#3685260): this should not be removing interfaces from
* the base list.
*/
if (isInterface()) {
m_derivesFromRedeclaring = Derivation::Redeclaring;
}
m_bases.erase(m_bases.begin() + i);
n--;
i--;
}
}
}
}