void ClassStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
ClassScopeRawPtr classScope = getClassScope();
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(");
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::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();
}
if (Option::GenerateCppLibCode) {
cg.printDocComment(classScope->getDocComment());
}
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");
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());
}
if (system || Option::EnableEval >= Option::LimitedEval) {
cg_printf("DECLARE_INVOKES_FROM_EVAL\n");
}
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()) {
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 = "";
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 ? "\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((NEW(%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("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("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");
}
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(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;
}
}
void ClassStatement::outputCPPClassDecl(CodeGenerator &cg,
AnalysisResultPtr ar,
const char *clsName,
const char *originalName,
const char *parent) {
ClassScopeRawPtr classScope = getClassScope();
VariableTablePtr variables = classScope->getVariables();
ConstantTablePtr constants = classScope->getConstants();
if (variables->hasAllJumpTables() && constants->hasJumpTable() &&
classScope->hasAllJumpTables()) {
cg_printf("DECLARE_CLASS(%s, %s, %s)\n", clsName, originalName, parent);
return;
}
// Now we start to break down DECLARE_CLASS into lines of code that could
// be generated differently...
cg_printf("DECLARE_CLASS_COMMON(%s, %s)\n", clsName, originalName);
cg_printf("DECLARE_INVOKE_EX%s(%s, %s, %s)\n",
Option::UseMethodIndex ? "WITH_INDEX" : "", clsName, originalName,
parent);
cg.printSection("DECLARE_STATIC_PROP_OPS");
cg_printf("public:\n");
if (classScope->needStaticInitializer()) {
cg_printf("static void os_static_initializer();\n");
}
if (variables->hasJumpTable(VariableTable::JumpTableClassStaticGetInit)) {
cg_printf("static Variant os_getInit(CStrRef s);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_STATIC_GETINIT_%s 1\n", clsName);
}
if (variables->hasJumpTable(VariableTable::JumpTableClassStaticGet)) {
cg_printf("static Variant os_get(CStrRef s);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_STATIC_GET_%s 1\n", clsName);
}
if (variables->hasJumpTable(VariableTable::JumpTableClassStaticLval)) {
cg_printf("static Variant &os_lval(CStrRef s);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_STATIC_LVAL_%s 1\n", clsName);
}
if (constants->hasJumpTable()) {
cg_printf("static Variant os_constant(const char *s);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_CONSTANT_%s 1\n", clsName);
}
cg.printSection("DECLARE_INSTANCE_PROP_OPS");
cg_printf("public:\n");
if (variables->hasJumpTable(VariableTable::JumpTableClassGetArray)) {
cg_printf("virtual void o_getArray(Array &props) const;\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_GETARRAY_%s 1\n", clsName);
}
if (variables->hasJumpTable(VariableTable::JumpTableClassSetArray)) {
cg_printf("virtual void o_setArray(CArrRef props);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_SETARRAY_%s 1\n", clsName);
}
if (variables->hasJumpTable(VariableTable::JumpTableClassRealProp)) {
cg_printf("virtual Variant *o_realProp(CStrRef s, int flags,\n");
cg_printf(" CStrRef context = null_string) "
"const;\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_realProp_%s 1\n", clsName);
}
if (variables->hasNonStaticPrivate()) {
cg_printf("Variant *o_realPropPrivate(CStrRef s, int flags) const;\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_realProp_PRIVATE_%s 1\n", clsName);
}
cg.printSection("DECLARE_INSTANCE_PUBLIC_PROP_OPS");
cg_printf("public:\n");
if (variables->hasJumpTable(VariableTable::JumpTableClassRealPropPublic)) {
cg_printf("virtual Variant *o_realPropPublic(CStrRef s, "
"int flags) const;\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_realProp_PUBLIC_%s 1\n", clsName);
}
cg.printSection("DECLARE_COMMON_INVOKE");
cg.printf("static bool os_get_call_info(MethodCallPackage &mcp, "
"int64 hash = -1);\n");
if (Option::UseMethodIndex) {
cg.printf("virtual bool o_get_call_info_with_index(MethodCallPackage &mcp,"
" MethodIndex mi, int64 hash = -1);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_STATIC_INVOKE_%s 1\n", clsName);
}
if (classScope->hasJumpTable(ClassScope::JumpTableInvoke)) {
cg.printf("virtual bool o_get_call_info(MethodCallPackage &mcp, "
"int64 hash = -1);\n");
} else {
cg_printf("#define OMIT_JUMP_TABLE_CLASS_INVOKE_%s 1\n", clsName);
}
cg_printf("\n");
cg_printf("public:\n");
}