void MethodStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) { FunctionScopeRawPtr funcScope = getFunctionScope(); ClassScopePtr scope = getClassScope(); if (outputFFI(cg, ar)) return; cg.setPHPLineNo(-1); CodeGenerator::Context context = cg.getContext(); if (context == CodeGenerator::CppImplementation) { printSource(cg); } bool isWrapper = context == CodeGenerator::CppTypedParamsWrapperDecl || context == CodeGenerator::CppTypedParamsWrapperImpl; bool needsWrapper = isWrapper || (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()); const char *prefix = needsWrapper && !isWrapper ? Option::TypedMethodPrefix : Option::MethodPrefix; switch (context) { case CodeGenerator::CppDeclaration: case CodeGenerator::CppTypedParamsWrapperDecl: { if (!m_stmt && !funcScope->isPerfectVirtual()) { cg_printf("// "); } m_modifiers->outputCPP(cg, ar); if (!m_stmt || m_name == "__offsetget_lval" || funcScope->isPerfectVirtual()) { cg_printf("virtual "); } TypePtr type = funcScope->getReturnType(); if (type) { type->outputCPPDecl(cg, ar, getScope()); } else { cg_printf("void"); } if (m_name == "__offsetget_lval") { cg_printf(" &___offsetget_lval("); } else if (m_modifiers->isStatic() && m_stmt) { // Static method wrappers get generated as support methods cg_printf(" %s%s(CStrRef cls%s", needsWrapper && !isWrapper ? Option::TypedMethodImplPrefix : Option::MethodImplPrefix, cg.formatLabel(m_name).c_str(), funcScope->isVariableArgument() || (m_params && m_params->getCount()) ? ", " : ""); } else { cg_printf(" %s%s(", prefix, cg.formatLabel(m_name).c_str()); } funcScope->outputCPPParamsDecl(cg, ar, m_params, true); if (m_stmt) { cg_printf(");\n"); } else if (funcScope->isPerfectVirtual()) { cg_printf(") { return throw_fatal(\"pure virtual\");}\n"); } else { cg_printf(") = 0;\n"); } if (context != CodeGenerator::CppTypedParamsWrapperDecl) { if (funcScope->isConstructor(scope) && !funcScope->isAbstract() && !scope->isInterface()) { funcScope->outputCPPCreateDecl(cg, ar); } if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) { cg.setContext(CodeGenerator::CppTypedParamsWrapperDecl); outputCPPImpl(cg, ar); cg.setContext(context); } } } break; case CodeGenerator::CppImplementation: case CodeGenerator::CppTypedParamsWrapperImpl: if (m_stmt) { TypePtr type = funcScope->getReturnType(); if (type) { type->outputCPPDecl(cg, ar, getScope()); } else { cg_printf("void"); } string origFuncName = getOriginalFullName(); if (Option::FunctionSections.find(origFuncName) != Option::FunctionSections.end()) { string funcSection = Option::FunctionSections[origFuncName]; if (!funcSection.empty()) { cg_printf(" __attribute__ ((section (\".text.%s\")))", funcSection.c_str()); } } if (m_name == "__offsetget_lval") { cg_printf(" &%s%s::___offsetget_lval(", Option::ClassPrefix, scope->getId(cg).c_str()); } else if (m_modifiers->isStatic()) { cg_printf(" %s%s::%s%s(CStrRef cls%s", Option::ClassPrefix, scope->getId(cg).c_str(), needsWrapper && !isWrapper ? Option::TypedMethodImplPrefix : Option::MethodImplPrefix, cg.formatLabel(m_name).c_str(), funcScope->isVariableArgument() || (m_params && m_params->getCount()) ? ", " : ""); } else { cg_printf(" %s%s::%s%s(", Option::ClassPrefix, scope->getId(cg).c_str(), prefix, cg.formatLabel(m_name).c_str()); } funcScope->outputCPPParamsDecl(cg, ar, m_params, false); cg_indentBegin(") {\n"); if (context != CodeGenerator::CppTypedParamsWrapperImpl) { if (m_stmt->hasBody()) { const char *sys = (cg.getOutput() == CodeGenerator::SystemCPP ? "_BUILTIN" : ""); if (m_modifiers->isStatic()) { cg_printf("STATIC_METHOD_INJECTION%s(%s, %s);\n", sys, scope->getOriginalName().c_str(), origFuncName.c_str()); } else if (cg.getOutput() != CodeGenerator::SystemCPP && !scope->isRedeclaring() && !scope->derivedByDynamic()) { cg_printf("INSTANCE_METHOD_INJECTION_ROOTLESS(%s, %s);\n", scope->getOriginalName().c_str(), origFuncName.c_str()); } else if (scope->getOriginalName() != "XhprofFrame") { cg_printf("INSTANCE_METHOD_INJECTION%s(%s, %s);\n", sys, scope->getOriginalName().c_str(), origFuncName.c_str()); } } outputCPPArgInjections(cg, ar, origFuncName.c_str(), scope, funcScope); if (m_name == "__offsetget_lval") { ParameterExpressionPtr param = dynamic_pointer_cast<ParameterExpression>((*m_params)[0]); cg_printf("Variant &v = %s->__lvalProxy;\n", cg.getGlobals(ar)); string lowered = Util::toLower(m_originalName); cg_printf("v = %s%s(%s%s);\n", prefix, lowered.c_str(), Option::VariablePrefix, param->getName().c_str()); cg_printf("return v;\n"); } else { if (funcScope->isConstructor(scope)) { cg_printf("bool oldInCtor = gasInCtor(true);\n"); } else if (m_name == "__destruct") { cg_printf("setInDtor();\n"); } funcScope->outputCPP(cg, ar); cg.setContext( CodeGenerator::NoContext); // no inner functions/classes if (!funcScope->isStatic() && funcScope->getVariables()-> getAttribute(VariableTable::ContainsDynamicVariable)) { Symbol *sym = funcScope->getVariables()->getSymbol("this"); if (sym && sym->declarationSet()) { cg_printf("%sthis = this;\n", Option::VariablePrefix); } } outputCPPStmt(cg, ar); } cg_indentEnd("}\n"); if (Option::HardTypeHints && funcScope->needsTypeCheckWrapper()) { cg.setContext(CodeGenerator::CppTypedParamsWrapperImpl); outputCPPImpl(cg, ar); } } else { outputCPPTypeCheckWrapper(cg, ar); cg_indentEnd("}\n"); } cg.setContext(context); cg.printImplSplitter(); } break; default: break; } }
void ClassScope::importUsedTraits(AnalysisResultPtr ar) { // Trait flattening is supposed to happen only when we have awareness of the // whole program. assert(Option::WholeProgram); if (m_traitStatus == FLATTENED) return; if (m_traitStatus == BEING_FLATTENED) { getStmt()->analysisTimeFatal( Compiler::CyclicDependentTraits, "Cyclic dependency between traits involving %s", getScopeName().c_str() ); return; } if (m_usedTraitNames.size() == 0) { m_traitStatus = FLATTENED; return; } m_traitStatus = BEING_FLATTENED; m_numDeclMethods = m_functionsVec.size(); // First, make sure that parent classes have their traits imported. if (!m_parent.empty()) { ClassScopePtr parent = ar->findClass(m_parent); if (parent) { parent->importUsedTraits(ar); } } TMIData tmid; if (isTrait()) { for (auto const& req : getClassRequiredExtends()) { ClassScopePtr rCls = ar->findClass(req); if (!rCls || rCls->isFinal() || rCls->isInterface()) { getStmt()->analysisTimeFatal( Compiler::InvalidDerivation, Strings::TRAIT_BAD_REQ_EXTENDS, m_scopeName.c_str(), req.c_str(), req.c_str() ); } } for (auto const& req : getClassRequiredImplements()) { ClassScopePtr rCls = ar->findClass(req); if (!rCls || !(rCls->isInterface())) { getStmt()->analysisTimeFatal( Compiler::InvalidDerivation, Strings::TRAIT_BAD_REQ_IMPLEMENTS, m_scopeName.c_str(), req.c_str(), req.c_str() ); } } } // Find trait methods to be imported. for (unsigned i = 0; i < m_usedTraitNames.size(); i++) { ClassScopePtr tCls = ar->findClass(m_usedTraitNames[i]); if (!tCls || !(tCls->isTrait())) { setAttribute(UsesUnknownTrait); // XXX: is this useful ... for anything? getStmt()->analysisTimeFatal( Compiler::UnknownTrait, Strings::TRAITS_UNKNOWN_TRAIT, m_usedTraitNames[i].c_str() ); } // First, make sure the used trait is flattened. tCls->importUsedTraits(ar); findTraitMethodsToImport(ar, tCls, tmid); // Import any interfaces implemented. tCls->getInterfaces(ar, m_bases, /* recursive */ false); importClassRequirements(ar, tCls); } // Apply rules. applyTraitRules(tmid); // Remove methods declared on the current class from the trait import list; // the class methods take precedence. for (auto const& methName : tmid.methodNames()) { if (findFunction(ar, methName, false /* recursive */, false /* exclIntfBase */)) { // This does not affect the methodNames() vector. tmid.erase(methName); } } auto traitMethods = tmid.finish(this); std::map<string, MethodStatementPtr, stdltistr> importedTraitMethods; std::vector<std::pair<string,const TraitMethod*>> importedTraitsWithOrigName; // Actually import the methods. for (auto const& mdata : traitMethods) { if ((mdata.tm.modifiers ? mdata.tm.modifiers : mdata.tm.method->getModifiers() )->isAbstract()) { // Skip abstract methods, if the method already exists in the class. if (findFunction(ar, mdata.name, true) || importedTraitMethods.count(mdata.name)) { continue; } } auto sourceName = mdata.tm.ruleStmt ? ((TraitAliasStatement*)mdata.tm.ruleStmt.get())->getMethodName() : mdata.name; importedTraitMethods[sourceName] = MethodStatementPtr(); importedTraitsWithOrigName.push_back( std::make_pair(sourceName, &mdata.tm)); } // Make sure there won't be 2 constructors after importing auto traitConstruct = importedTraitMethods.count("__construct"); auto traitName = importedTraitMethods.count(getScopeName()); auto classConstruct = m_functions.count("__construct"); auto className = m_functions.count(getScopeName()); if ((traitConstruct && traitName) || (traitConstruct && className) || (classConstruct && traitName)) { getStmt()->analysisTimeFatal( Compiler::InvalidDerivation, "%s has colliding constructor definitions coming from traits", getScopeName().c_str() ); } for (auto const& traitPair : importedTraitsWithOrigName) { auto traitMethod = traitPair.second; MethodStatementPtr newMeth = importTraitMethod( *traitMethod, ar, traitMethod->originalName ); } // Import trait properties importTraitProperties(ar); m_traitStatus = FLATTENED; }
void MethodStatement::onParseRecur(AnalysisResultConstPtr ar, ClassScopePtr classScope) { FunctionScopeRawPtr fs = getFunctionScope(); const bool isNative = fs->isNative(); if (m_modifiers) { if (classScope->isInterface()) { if (m_modifiers->isProtected() || m_modifiers->isPrivate() || m_modifiers->isAbstract() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, "Access type for interface method %s::%s() must be omitted", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } if (m_modifiers->isAbstract()) { if (m_modifiers->isPrivate() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, "Cannot declare abstract method %s::%s() %s", classScope->getOriginalName().c_str(), getOriginalName().c_str(), m_modifiers->isPrivate() ? "private" : (m_modifiers->isFinal() ? "final" : "native")); } if (!classScope->isInterface() && !classScope->isAbstract()) { /* note that classScope->isAbstract() returns true for traits */ m_modifiers->parseTimeFatal(Compiler::InvalidAttribute, "Class %s contains abstract method %s and " "must therefore be declared abstract", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (getStmts()) { parseTimeFatal(Compiler::InvalidAttribute, "Abstract method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } if (isNative) { if (getStmts()) { parseTimeFatal(Compiler::InvalidAttribute, "Native method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (!m_retTypeAnnotation) { parseTimeFatal(Compiler::InvalidAttribute, "Native method %s::%s() must have a return type hint", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } } if ((!m_modifiers || !m_modifiers->isAbstract()) && !getStmts() && !classScope->isInterface() && !isNative) { parseTimeFatal(Compiler::InvalidAttribute, "Non-abstract method %s::%s() must contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } classScope->addFunction(ar, fs); m_className = classScope->getName(); m_originalClassName = classScope->getOriginalName(); setSpecialMethod(classScope); if (Option::DynamicInvokeFunctions.find(getFullName()) != Option::DynamicInvokeFunctions.end()) { fs->setDynamicInvoke(); } if (m_params) { for (int i = 0; i < m_params->getCount(); i++) { ParameterExpressionPtr param = dynamic_pointer_cast<ParameterExpression>((*m_params)[i]); param->parseHandler(classScope); if (isNative && !param->hasUserType()) { parseTimeFatal(Compiler::InvalidAttribute, "Native method calls must have type hints on all args"); } } } FunctionScope::RecordFunctionInfo(m_name, fs); }
void MethodStatement::onParseRecur(AnalysisResultConstPtr ar, FileScopeRawPtr fileScope, ClassScopePtr classScope) { checkParameters(fileScope); FunctionScopeRawPtr funcScope = getFunctionScope(); funcScope->setOuterScope(classScope); const bool isNative = funcScope->isNative(); if (m_modifiers) { if ((m_modifiers->isExplicitlyPublic() + m_modifiers->isProtected() + m_modifiers->isPrivate()) > 1) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, Strings::PICK_ACCESS_MODIFIER ); } if (m_modifiers->hasDuplicates()) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, Strings::PICK_ACCESS_MODIFIER); } if (classScope->isInterface()) { if (m_modifiers->isProtected() || m_modifiers->isPrivate() || m_modifiers->isAbstract() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, "Access type for interface method %s::%s() must be omitted", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (m_modifiers->isAsync()) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, Strings::ASYNC_WITHOUT_BODY, "interface", classScope->getOriginalName().c_str(), getOriginalName().c_str() ); } if (getStmts()) { getStmts()->parseTimeFatal( fileScope, Compiler::InvalidMethodDefinition, "Interface method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } if (m_modifiers->isAbstract()) { if (!Option::WholeProgram && funcScope->userAttributes().count("__Memoize")) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, "Abstract method %s::%s cannot be memoized", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (m_modifiers->isPrivate() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, "Cannot declare abstract method %s::%s() %s", classScope->getOriginalName().c_str(), getOriginalName().c_str(), m_modifiers->isPrivate() ? "private" : (m_modifiers->isFinal() ? "final" : "native")); } if (!classScope->isInterface() && !classScope->isAbstract()) { /* note that classScope->isAbstract() returns true for traits */ m_modifiers->parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Class %s contains abstract method %s and " "must therefore be declared abstract", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (getStmts()) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Abstract method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (m_modifiers->isAsync()) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, Strings::ASYNC_WITHOUT_BODY, "abstract", classScope->getOriginalName().c_str(), getOriginalName().c_str() ); } } if (!m_modifiers->isStatic() && classScope->isStaticUtil()) { m_modifiers->parseTimeFatal( fileScope, Compiler::InvalidAttribute, "Class %s contains non-static method %s and " "therefore cannot be declared 'abstract final'", classScope->getOriginalName().c_str(), getOriginalName().c_str() ); } if (isNative) { if (getStmts()) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Native method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } auto is_ctordtor = isNamed("__construct") || isNamed("__destruct"); if (!m_retTypeAnnotation && !is_ctordtor) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Native method %s::%s() must have a return type hint", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } else if (m_retTypeAnnotation && is_ctordtor && (m_retTypeAnnotation->dataType() != KindOfNull)) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Native method %s::%s() must return void", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } } if ((!m_modifiers || !m_modifiers->isAbstract()) && !getStmts() && !classScope->isInterface() && !isNative) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Non-abstract method %s::%s() must contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } classScope->addFunction(ar, fileScope, funcScope); setSpecialMethod(fileScope, classScope); if (Option::DynamicInvokeFunctions.count(getOriginalFullName())) { funcScope->setDynamicInvoke(); } if (m_params) { auto nParams = m_params->getCount(); for (int i = 0; i < nParams; i++) { ParameterExpressionPtr param = dynamic_pointer_cast<ParameterExpression>((*m_params)[i]); param->parseHandler(fileScope, classScope); // Variadic capture params don't need types because they'll // be treated as Arrays as far as HNI is concerned. if (isNative && !param->hasUserType() && !param->isVariadic()) { parseTimeFatal(fileScope, Compiler::InvalidAttribute, "Native method calls must have type hints on all args"); } } } FunctionScope::RecordFunctionInfo(m_originalName, funcScope); }
void MethodStatement::onParseRecur(AnalysisResultConstPtr ar, ClassScopePtr classScope) { FunctionScopeRawPtr fs = getFunctionScope(); const bool isNative = fs->isNative(); if (m_modifiers) { if ((m_modifiers->isExplicitlyPublic() + m_modifiers->isProtected() + m_modifiers->isPrivate()) > 1) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, Strings::PICK_ACCESS_MODIFIER ); } if (m_modifiers->hasDuplicates()) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, Strings::PICK_ACCESS_MODIFIER); } if (classScope->isInterface()) { if (m_modifiers->isProtected() || m_modifiers->isPrivate() || m_modifiers->isAbstract() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, "Access type for interface method %s::%s() must be omitted", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (m_modifiers->isAsync()) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, Strings::ASYNC_WITHOUT_BODY, "interface", classScope->getOriginalName().c_str(), getOriginalName().c_str() ); } if (getStmts()) { getStmts()->parseTimeFatal( Compiler::InvalidMethodDefinition, "Interface method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } if (m_modifiers->isAbstract()) { if (m_modifiers->isPrivate() || m_modifiers->isFinal() || isNative) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, "Cannot declare abstract method %s::%s() %s", classScope->getOriginalName().c_str(), getOriginalName().c_str(), m_modifiers->isPrivate() ? "private" : (m_modifiers->isFinal() ? "final" : "native")); } if (!classScope->isInterface() && !classScope->isAbstract()) { /* note that classScope->isAbstract() returns true for traits */ m_modifiers->parseTimeFatal(Compiler::InvalidAttribute, "Class %s contains abstract method %s and " "must therefore be declared abstract", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (getStmts()) { parseTimeFatal(Compiler::InvalidAttribute, "Abstract method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (m_modifiers->isAsync()) { m_modifiers->parseTimeFatal( Compiler::InvalidAttribute, Strings::ASYNC_WITHOUT_BODY, "abstract", classScope->getOriginalName().c_str(), getOriginalName().c_str() ); } } if (isNative) { if (getStmts()) { parseTimeFatal(Compiler::InvalidAttribute, "Native method %s::%s() cannot contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } if (!m_retTypeAnnotation) { parseTimeFatal(Compiler::InvalidAttribute, "Native method %s::%s() must have a return type hint", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } } } if ((!m_modifiers || !m_modifiers->isAbstract()) && !getStmts() && !classScope->isInterface() && !isNative) { parseTimeFatal(Compiler::InvalidAttribute, "Non-abstract method %s::%s() must contain body", classScope->getOriginalName().c_str(), getOriginalName().c_str()); } classScope->addFunction(ar, fs); m_className = classScope->getName(); m_originalClassName = classScope->getOriginalName(); setSpecialMethod(classScope); if (Option::DynamicInvokeFunctions.find(getFullName()) != Option::DynamicInvokeFunctions.end()) { fs->setDynamicInvoke(); } if (m_params) { auto nParams = m_params->getCount(); for (int i = 0; i < nParams; i++) { ParameterExpressionPtr param = dynamic_pointer_cast<ParameterExpression>((*m_params)[i]); param->parseHandler(classScope); // Variadic capture params don't need types because they'll // be treated as Arrays as far as HNI is concerned. if (isNative && !param->hasUserType() && !param->isVariadic()) { parseTimeFatal(Compiler::InvalidAttribute, "Native method calls must have type hints on all args"); } } } FunctionScope::RecordFunctionInfo(m_name, fs); }
TypePtr ObjectMethodExpression::inferAndCheck(AnalysisResultPtr ar, TypePtr type, bool coerce) { ASSERT(type); IMPLEMENT_INFER_AND_CHECK_ASSERT(getScope()); resetTypes(); reset(); ConstructPtr self = shared_from_this(); TypePtr objectType = m_object->inferAndCheck(ar, Type::Some, false); m_valid = true; m_bindClass = true; if (m_name.empty()) { m_nameExp->inferAndCheck(ar, Type::String, false); setInvokeParams(ar); // we have to use a variant to hold dynamic value return checkTypesImpl(ar, type, Type::Variant, coerce); } ClassScopePtr cls; if (objectType && !objectType->getName().empty()) { if (m_classScope && !strcasecmp(objectType->getName().c_str(), m_classScope->getName().c_str())) { cls = m_classScope; } else { cls = ar->findExactClass(shared_from_this(), objectType->getName()); } } if (!cls) { m_classScope.reset(); m_funcScope.reset(); setInvokeParams(ar); return checkTypesImpl(ar, type, Type::Variant, coerce); } if (m_classScope != cls) { m_classScope = cls; m_funcScope.reset(); } FunctionScopePtr func = m_funcScope; if (!func) { func = cls->findFunction(ar, m_name, true, true); if (!func) { if (!cls->getAttribute(ClassScope::MayHaveUnknownMethodHandler) && !cls->getAttribute(ClassScope::HasUnknownMethodHandler) && !cls->getAttribute(ClassScope::InheritsUnknownMethodHandler)) { if (ar->classMemberExists(m_name, AnalysisResult::MethodName)) { if (!Option::AllDynamic) { setDynamicByIdentifier(ar, m_name); } } else { Compiler::Error(Compiler::UnknownObjectMethod, self); } } m_valid = false; setInvokeParams(ar); return checkTypesImpl(ar, type, Type::Variant, coerce); } m_funcScope = func; func->addCaller(getScope(), !type->is(Type::KindOfAny)); } bool valid = true; m_bindClass = func->isStatic(); // use $this inside a static function if (m_object->isThis()) { FunctionScopePtr localfunc = getFunctionScope(); if (localfunc->isStatic()) { if (getScope()->isFirstPass()) { Compiler::Error(Compiler::MissingObjectContext, self); } valid = false; } } // invoke() will return Variant if (cls->isInterface() || (func->isVirtual() && (ar->isSystem() || func->isAbstract() || (func->hasOverride() && cls->getAttribute(ClassScope::NotFinal))) && !func->isPerfectVirtual())) { valid = false; } if (!valid) { setInvokeParams(ar); checkTypesImpl(ar, type, Type::Variant, coerce); m_valid = false; // so we use invoke() syntax if (!Option::AllDynamic) { func->setDynamic(); } ASSERT(m_actualType); return m_actualType; } ASSERT(func); return checkParamsAndReturn(ar, type, coerce, func, false); }
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, m_name.c_str(), Option::ClassStaticsPrefix, classScope->getId().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()); } } 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: { bool system = cg.getOutput() == CodeGenerator::SystemCPP; ClassScopePtr parCls; if (!m_parent.empty()) parCls = ar->findClass(m_parent); cg.printf("class %s%s", Option::ClassPrefix, clsName); if (!m_parent.empty() && classScope->derivesFrom(ar, m_parent)) { if (!parCls || parCls->isRedeclaring()) { 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"); } } 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()); } cg.indentEnd("END_CLASS_MAP(%s)\n", clsName); } if (Option::GenerateCPPMacros) { bool dyn = (!parCls && !m_parent.empty()) || 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 (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"); } } 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"); } 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"); } } 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); 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 && 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(); }