ClassScopePtr ConstantTable::findParent(AnalysisResultPtr ar, const std::string &name) { for (ClassScopePtr parent = m_blockScope.getParentScope(ar); parent; parent = parent->getParentScope(ar)) { if (parent->hasConst(name)) { return parent; } } return ClassScopePtr(); }
ClassScopePtr VariableTable::findParent(AnalysisResultConstPtr ar, const string &name, const Symbol *&sym) const { sym = nullptr; for (ClassScopePtr parent = m_blockScope.getParentScope(ar); parent && !parent->isRedeclaring(); parent = parent->getParentScope(ar)) { sym = parent->getVariables()->getSymbol(name); assert(!sym || sym->isPresent()); if (sym) return parent; } return ClassScopePtr(); }
void ClassConstantExpression::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) { const char *globals = "g"; if (cg.getContext() == CodeGenerator::CppParameterDefaultValueDecl || cg.getContext() == CodeGenerator::CppParameterDefaultValueImpl) { globals = cg.getGlobals(); } if (m_valid) { ClassScopePtr foundCls; string trueClassName; for (ClassScopePtr cls = ar->findClass(m_className); cls; cls = cls->getParentScope(ar)) { if (cls->getConstants()->isPresent(m_varName)) { foundCls = cls; trueClassName = cls->getName(); break; } } ASSERT(!trueClassName.empty()); ConstructPtr decl = foundCls->getConstants()->getValue(m_varName); if (decl) { decl->outputCPP(cg, ar); if (cg.getContext() == CodeGenerator::CppImplementation || cg.getContext() == CodeGenerator::CppParameterDefaultValueImpl) { cg.printf("(%s::%s)", m_className.c_str(), m_varName.c_str()); } else { cg.printf("/* %s::%s */", m_className.c_str(), m_varName.c_str()); } } else { if (foundCls->getConstants()->isDynamic(m_varName)) { cg.printf("%s%s::lazy_initializer(%s)->", Option::ClassPrefix, trueClassName.c_str(), globals); } cg.printf("%s%s_%s", Option::ClassConstantPrefix, trueClassName.c_str(), m_varName.c_str()); } } else if (m_redeclared) { cg.printf("%s->%s%s->os_constant(\"%s\")", globals, Option::ClassStaticsObjectPrefix, m_className.c_str(), m_varName.c_str()); } else { cg.printf("throw_fatal(\"unknown class constant %s::%s\")", m_className.c_str(), m_varName.c_str()); } }
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->cwo_%s = &cw_%s;\n", cg.formatLabel(m_name).c_str(), 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(), m_parent.empty() ? "ObjectData" : m_parent.c_str()); } else { cg_printf("DECLARE_DYNAMIC_CLASS(%s, %s)\n", clsName, m_originalName.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"); } // doCallStatic ClassScopePtr classScope = dynamic_pointer_cast<ClassScope>(ar->getScope()); ClassScopePtr csparent = classScope->getParentScope(ar); if(classScope->getAttribute(ClassScope::HasUnknownStaticMethodHandler) || (csparent && csparent->isRedeclaring())) { cg_printf("static Variant doCallStatic(Variant v_name," "Variant v_arguments);\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_indentBegin("Variant doCallStatic(Variant v_name," "Variant v_arguments) {\n"); cg_printf("return %s%s::doCallStatic(v_name, v_arguments);\n", Option::ClassPrefix, clsName); 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(); }