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;
}
}
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;
}
}
