bool InterfaceStatement::checkVolatileBases(AnalysisResultPtr ar) { ClassScopePtr classScope = m_classScope.lock(); ASSERT(!classScope->isVolatile()); 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()) return true; } return false; }
void InterfaceStatement::checkVolatile(AnalysisResultPtr ar) { ClassScopePtr classScope = m_classScope.lock(); // redeclared classes/interfaces are automatically volatile if (!classScope->isVolatile()) { if (checkVolatileBases(ar)) { // if any base is volatile, the class is volatile classScope->setVolatile(); } } if (classScope->isVolatile()) { ar->getFunctionScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } }
bool ClassConstantExpression::containsDynamicConstant(AnalysisResultPtr ar) const { if (m_class) return true; ClassScopePtr cls = ar->findClass(m_origClassName); return !cls || cls->isVolatile() || !cls->getConstants()->isRecursivelyDeclared(ar, m_varName); }
TypePtr NewObjectExpression::inferTypes(AnalysisResultPtr ar, TypePtr type, bool coerce) { reset(); ConstructPtr self = shared_from_this(); if (!m_name.empty()) { ClassScopePtr cls = ar->resolveClass(m_name); if (cls) { m_name = cls->getName(); } if (!cls || cls->isRedeclaring()) { if (cls) { m_redeclared = true; ar->getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } if (!cls && ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::UnknownClass, self); } if (m_params) m_params->inferAndCheck(ar, NEW_TYPE(Any), false); return NEW_TYPE(Object); } if (cls->isVolatile()) { ar->getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } m_dynamic = cls->derivesFromRedeclaring(); m_validClass = true; FunctionScopePtr func = cls->findConstructor(ar, true); if (!func) { if (m_params) { if (!m_dynamic && m_params->getCount()) { if (ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::BadConstructorCall, self); } m_params->setOutputCount(0); } m_params->inferAndCheck(ar, NEW_TYPE(Any), false); } } else { m_extraArg = func->inferParamTypes(ar, self, m_params, m_validClass); m_variableArgument = func->isVariableArgument(); } return Type::CreateObjectType(m_name); } else { ar->containsDynamicClass(); if (ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::UseDynamicClass, self); } if (m_params) { m_params->markParams(false); } } m_nameExp->inferAndCheck(ar, Type::String, false); if (m_params) m_params->inferAndCheck(ar, NEW_TYPE(Any), false); return Type::Variant;//NEW_TYPE(Object); }
bool InterfaceStatement::checkVolatileBases(AnalysisResultConstRawPtr ar) { ClassScopeRawPtr classScope = getClassScope(); assert(!classScope->isVolatile()); auto const& bases = classScope->getBases(); for (auto it = bases.begin(); it != bases.end(); ++it) { ClassScopePtr base = ar->findClass(*it); if (base && base->isVolatile()) return true; } return false; }
void StatementList::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) { FunctionScopePtr func = getFunctionScope(); bool inPseudoMain = func && func->inPseudoMain(); std::vector<bool> isDeclaration; if (inPseudoMain) { // We need these declarations to go first, because PHP allows top level // function and class declarations to appear after usage. for (unsigned int i = 0; i < m_stmts.size(); i++) { StatementPtr stmt = m_stmts[i]; bool isDecl = false; if (stmt->is(Statement::KindOfFunctionStatement)) { isDecl = true; } else if (stmt->is(Statement::KindOfClassStatement) || stmt->is(Statement::KindOfInterfaceStatement)) { ClassScopePtr cls = (dynamic_pointer_cast<InterfaceStatement>(stmt))->getClassScope(); isDecl = cls->isBaseClass() || !cls->isVolatile(); } if (isDecl) stmt->outputCPP(cg,ar); isDeclaration.push_back(isDecl); } } for (unsigned int i = 0; i < m_stmts.size(); i++) { StatementPtr stmt = m_stmts[i]; if (stmt->is(Statement::KindOfClassStatement)) { if (!inPseudoMain || !isDeclaration[i]) stmt->outputCPP(cg, ar); } else if (!(stmt->is(Statement::KindOfFunctionStatement) || stmt->is(Statement::KindOfInterfaceStatement)) || (!inPseudoMain || !isDeclaration[i])) { stmt->outputCPP(cg, ar); if (stmt->is(Statement::KindOfMethodStatement)) { MethodStatementPtr methodStmt = dynamic_pointer_cast<MethodStatement>(stmt); std::string methodName = methodStmt->getName(); if (methodName == "offsetget") { ClassScopePtr cls = getClassScope(); std::string arrayAccess("arrayaccess"); if (cls->derivesFrom(ar, arrayAccess, false, false)) { FunctionScopePtr funcScope = methodStmt->getFunctionScope(); std::string name = funcScope->getName(); funcScope->setName("__offsetget_lval"); methodStmt->setName("__offsetget_lval"); methodStmt->outputCPP(cg, ar); funcScope->setName(name); methodStmt->setName("offsetget"); } } } } } }
ExpressionPtr ClassConstantExpression::preOptimize(AnalysisResultConstPtr ar) { if (ar->getPhase() < AnalysisResult::FirstPreOptimize) { return ExpressionPtr(); } if (m_class) { updateClassName(); if (m_class) { return ExpressionPtr(); } } ClassScopePtr cls = resolveClass(); if (!cls || (cls->isVolatile() && !isPresent())) { if (cls && !m_depsSet) { cls->addUse(getScope(), BlockScope::UseKindConstRef); m_depsSet = true; } return ExpressionPtr(); } ConstantTablePtr constants = cls->getConstants(); ClassScopePtr defClass = cls; ConstructPtr decl = constants->getValueRecur(ar, m_varName, defClass); if (decl) { BlockScope::s_constMutex.lock(); ExpressionPtr value = dynamic_pointer_cast<Expression>(decl); BlockScope::s_constMutex.unlock(); if (!value->isScalar() && (value->is(KindOfClassConstantExpression) || value->is(KindOfConstantExpression))) { std::set<ExpressionPtr> seen; do { if (!seen.insert(value).second) return ExpressionPtr(); value = value->preOptimize(ar); if (!value) return ExpressionPtr(); } while (!value->isScalar() && (value->is(KindOfClassConstantExpression) || value->is(KindOfConstantExpression))); } ExpressionPtr rep = Clone(value, getScope()); rep->setComment(getText()); copyLocationTo(rep); return replaceValue(rep); } return ExpressionPtr(); }
ClassScopePtr StaticClassName::resolveClass() { m_present = false; m_unknown = true; if (m_class) return ClassScopePtr(); BlockScopeRawPtr scope = originalScope(this); if (m_self) { if (ClassScopePtr self = scope->getContainingClass()) { m_className = self->getName(); m_origClassName = self->getOriginalName(); m_present = true; m_unknown = false; return self; } } else if (m_parent) { if (ClassScopePtr self = scope->getContainingClass()) { if (!self->getOriginalParent().empty()) { m_className = Util::toLower(self->getOriginalParent()); m_origClassName = self->getOriginalParent(); m_present = true; } } else { m_parent = false; } } ClassScopePtr cls = scope->getContainingProgram()->findClass(m_className); if (cls) { m_unknown = false; if (cls->isVolatile()) { ClassScopeRawPtr c = scope->getContainingFile()->resolveClass(cls); if (!c) { c = scope->getContainingClass(); if (c && c->getName() != m_className) c.reset(); } m_present = c.get() != 0; if (cls->isRedeclaring()) { cls = c; if (!m_present) m_redeclared = true; } } else { m_present = true; } } return cls; }
void ClassStatement::analyzeProgram(AnalysisResultPtr ar) { vector<string> bases; if (!m_parent.empty()) bases.push_back(m_parent); if (m_base) m_base->getStrings(bases); for (unsigned int i = 0; i < bases.size(); i++) { string className = bases[i]; addUserClass(ar, bases[i]); } ClassScopePtr classScope = m_classScope.lock(); if (hasHphpNote("Volatile")) classScope->setVolatile(); FunctionScopePtr func = ar->getFunctionScope(); // redeclared classes are automatically volatile if (classScope->isVolatile()) { func->getVariables()->setAttribute(VariableTable::NeedGlobalPointer); } if (m_stmt) { ar->pushScope(classScope); m_stmt->analyzeProgram(ar); ar->popScope(); } DependencyGraphPtr dependencies = ar->getDependencyGraph(); for (unsigned int i = 0; i < bases.size(); i++) { ClassScopePtr cls = ar->findClass(bases[i]); if (cls) { if (dependencies->checkCircle(DependencyGraph::KindOfClassDerivation, m_originalName, cls->getOriginalName())) { ClassScopePtr classScope = m_classScope.lock(); ar->getCodeError()->record(CodeError::InvalidDerivation, shared_from_this(), ConstructPtr(), cls->getOriginalName()); m_parent = ""; m_base = ExpressionListPtr(); classScope->clearBases(); } else if (cls->isUserClass()) { dependencies->add(DependencyGraph::KindOfClassDerivation, ar->getName(), m_originalName, shared_from_this(), cls->getOriginalName(), cls->getStmt()); } } } }
TypePtr NewObjectExpression::inferTypes(AnalysisResultPtr ar, TypePtr type, bool coerce) { reset(); m_classScope.reset(); FunctionScopePtr prev = m_funcScope; m_funcScope.reset(); ConstructPtr self = shared_from_this(); if (!m_name.empty() && !isStatic()) { ClassScopePtr cls = resolveClassWithChecks(); m_name = m_className; if (!cls) { if (m_params) m_params->inferAndCheck(ar, Type::Any, false); return Type::Object; } if (getScope()->isFirstPass() && (cls->isTrait() ? !isSelf() && !isParent() : cls->isInterface() || cls->isAbstract())) { Compiler::Error(Compiler::InvalidInstantiation, self); } if (cls->isVolatile() && !isPresent()) { getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } m_dynamic = cls->derivesFromRedeclaring(); bool valid = true; FunctionScopePtr func = cls->findConstructor(ar, true); if (!func) { if (m_params) { if (!m_dynamic && m_params->getCount()) { if (getScope()->isFirstPass()) { Compiler::Error(Compiler::BadConstructorCall, self); } } m_params->inferAndCheck(ar, Type::Some, false); } } else { if (func != prev) func->addNewObjCaller(getScope()); m_extraArg = func->inferParamTypes(ar, self, m_params, valid); m_variableArgument = func->isVariableArgument(); } if (valid) { m_classScope = cls; m_funcScope = func; } if (!valid || m_dynamic) { m_implementedType = Type::Object; } else { m_implementedType.reset(); } return Type::CreateObjectType(m_name); } else { if (m_params) { m_params->markParams(canInvokeFewArgs()); } } m_implementedType.reset(); m_nameExp->inferAndCheck(ar, Type::String, false); if (m_params) m_params->inferAndCheck(ar, Type::Any, false); return Type::Object; }
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; } }
TypePtr SimpleFunctionCall::inferAndCheck(AnalysisResultPtr ar, TypePtr type, bool coerce) { reset(); ConstructPtr self = shared_from_this(); // handling define("CONSTANT", ...); 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(); if (!varName.empty()) { ExpressionPtr value = (*m_params)[1]; TypePtr varType = value->inferAndCheck(ar, NEW_TYPE(Some), false); ar->getDependencyGraph()-> addParent(DependencyGraph::KindOfConstant, ar->getName(), varName, self); ConstantTablePtr constants = ar->findConstantDeclarer(varName)->getConstants(); if (constants != ar->getConstants()) { if (value && !value->isScalar()) { constants->setDynamic(ar, varName); varType = Type::Variant; } if (constants->isDynamic(varName)) { m_dynamicConstant = true; ar->getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } else { constants->setType(ar, varName, varType, true); } // in case the old 'value' has been optimized constants->setValue(ar, varName, value); } return checkTypesImpl(ar, type, Type::Boolean, coerce); } } if (varName.empty() && ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::BadDefine, self); } } else if (m_type == ExtractFunction) { ar->getScope()->getVariables()->forceVariants(ar); } } FunctionScopePtr func; // avoid raising both MissingObjectContext and UnknownFunction bool errorFlagged = false; if (m_className.empty()) { func = ar->findFunction(m_name); } else { ClassScopePtr cls = ar->resolveClass(m_className); if (cls && cls->isVolatile()) { ar->getScope()->getVariables() ->setAttribute(VariableTable::NeedGlobalPointer); } if (!cls || cls->isRedeclaring()) { if (cls) { m_redeclaredClass = true; } if (!cls && ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::UnknownClass, self); } if (m_params) { m_params->inferAndCheck(ar, NEW_TYPE(Some), false); } return checkTypesImpl(ar, type, Type::Variant, coerce); } m_derivedFromRedeclaring = cls->derivesFromRedeclaring(); m_validClass = true; if (m_name == "__construct") { // if the class is known, php will try to identify class-name ctor func = cls->findConstructor(ar, true); } else { func = cls->findFunction(ar, m_name, true, true); } if (func && !func->isStatic()) { ClassScopePtr clsThis = ar->getClassScope(); FunctionScopePtr funcThis = ar->getFunctionScope(); if (!clsThis || (clsThis->getName() != m_className && !clsThis->derivesFrom(ar, m_className)) || funcThis->isStatic()) { // set the method static to avoid "unknown method" runtime exception if (Option::StaticMethodAutoFix && !func->containsThis()) { func->setStatic(); } if (ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::MissingObjectContext, self); errorFlagged = true; } func.reset(); } } } if (!func || func->isRedeclaring()) { if (func) { m_redeclared = true; ar->getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } if (!func && !errorFlagged && ar->isFirstPass()) { ar->getCodeError()->record(self, CodeError::UnknownFunction, self); } if (m_params) { if (func) { FunctionScope::RefParamInfoPtr info = FunctionScope::GetRefParamInfo(m_name); ASSERT(info); for (int i = m_params->getCount(); i--; ) { if (info->isRefParam(i)) { m_params->markParam(i, canInvokeFewArgs()); } } } m_params->inferAndCheck(ar, NEW_TYPE(Some), false); } return checkTypesImpl(ar, type, Type::Variant, coerce); } m_builtinFunction = !func->isUserFunction(); if (m_redeclared) { if (m_params) { m_params->inferAndCheck(ar, NEW_TYPE(Some), false); } return checkTypesImpl(ar, type, type, coerce); } CHECK_HOOK(beforeSimpleFunctionCallCheck); m_valid = true; type = checkParamsAndReturn(ar, type, coerce, func); if (!m_valid && m_params) { m_params->markParams(false); } CHECK_HOOK(afterSimpleFunctionCallCheck); return type; }
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 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--; } } } }
TypePtr NewObjectExpression::inferTypes(AnalysisResultPtr ar, TypePtr type, bool coerce) { reset(); m_classScope.reset(); m_funcScope.reset(); ConstructPtr self = shared_from_this(); if (!m_name.empty()) { ClassScopePtr cls = resolveClass(getScope()); m_name = m_className; if (!cls) { if (isRedeclared()) { getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } else if (getScope()->isFirstPass()) { Compiler::Error(Compiler::UnknownClass, self); } if (m_params) m_params->inferAndCheck(ar, Type::Any, false); return Type::Object; } if (cls->isVolatile() && !isPresent()) { getScope()->getVariables()-> setAttribute(VariableTable::NeedGlobalPointer); } m_dynamic = cls->derivesFromRedeclaring(); bool valid = true; FunctionScopePtr func = cls->findConstructor(ar, true); if (!func) { if (m_params) { if (!m_dynamic && m_params->getCount()) { if (getScope()->isFirstPass()) { Compiler::Error(Compiler::BadConstructorCall, self); } m_params->setOutputCount(0); } m_params->inferAndCheck(ar, Type::Some, false); } } else { m_extraArg = func->inferParamTypes(ar, self, m_params, valid); m_variableArgument = func->isVariableArgument(); } if (valid) { m_classScope = cls; m_funcScope = func; } if (!valid || m_dynamic) { m_implementedType = Type::Object; } else { m_implementedType.reset(); } return Type::CreateObjectType(m_name); } else { ar->containsDynamicClass(); if (m_params) { m_params->markParams(false); } } m_implementedType.reset(); m_nameExp->inferAndCheck(ar, Type::String, false); if (m_params) m_params->inferAndCheck(ar, Type::Any, false); return Type::Object; }
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(); }
bool ClassStatement::hasImpl() const { ClassScopePtr cls = m_classScope.lock(); return cls->isVolatile() || cls->getVariables()->getAttribute(VariableTable::ContainsDynamicStatic); }
void InterfaceStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) { ClassScopePtr classScope = m_classScope.lock(); if (cg.getContext() == CodeGenerator::NoContext) { if (classScope->isVolatile()) { cg.printf("g->CDEC(%s) = true;\n", m_name.c_str()); } return; } ar->pushScope(classScope); string clsNameStr = classScope->getId(); const char *clsName = clsNameStr.c_str(); switch (cg.getContext()) { case CodeGenerator::CppForwardDeclaration: if (Option::GenerateCPPMacros) { cg.printf("FORWARD_DECLARE_CLASS(%s);\n", clsName); } break; case CodeGenerator::CppDeclaration: { printSource(cg); cg.printf("class %s%s", Option::ClassPrefix, clsName); 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()); } } } 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; } ar->popScope(); }
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 InterfaceStatement::hasImpl() const { ClassScopePtr cls = m_classScope.lock(); return cls->isVolatile(); }
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 ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) { ClassScopeRawPtr classScope = getClassScope(); if (cg.getContext() == CodeGenerator::NoContext) { if (classScope->isVolatile()) { string name = CodeGenerator::FormatLabel(m_name); if (classScope->isRedeclaring()) { cg_printf("g->%s%s = &%s%s;\n", Option::ClassStaticsCallbackPrefix, name.c_str(), Option::ClassStaticsCallbackPrefix, classScope->getId().c_str()); } cg_printf("g->CDEC(%s) = true;\n", name.c_str()); cg.addHoistedClass(name); 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("checkClassExistsThrow("); cg_printString(*it, ar, shared_from_this()); string lname = Util::toLower(*it); cg_printf(", &%s->CDEC(%s));\n", cg.getGlobals(ar), CodeGenerator::FormatLabel(lname).c_str()); } } } return; } 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"); 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"); bool hasEmitCppCtor = false; bool needsCppCtor = classScope->needsCppCtor(); bool needsInit = classScope->needsInitMethod(); 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, CodeGenerator::EscapeLabel(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 { 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 ? "\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"); 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(" {}\n"); } if (needsInit) { cg_printf("void init();\n"); } if (!classScope->getAttribute(ClassScope::HasConstructor)) { FunctionScopePtr func = classScope->findFunction(ar, "__construct", false); if (func && !func->isAbstract() && !classScope->isInterface()) { func->outputCPPCreateDecl(cg, ar); } } // 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); { 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"; 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; } }