void FunctionScope::outputCPPParamsCall(CodeGenerator &cg,
AnalysisResultPtr ar,
bool aggregateParams) {
if (isVariableArgument()) {
cg.printf("num_args, ");
}
bool userFunc = isUserFunction();
ExpressionListPtr params;
if (userFunc) {
MethodStatementPtr stmt = dynamic_pointer_cast<MethodStatement>(m_stmt);
params = stmt->getParams();
}
if (aggregateParams) {
cg.printf("Array(");
if (m_maxParam) {
// param arrays are always vectors
cg.printf("ArrayInit(%d, true).", m_maxParam);
}
}
for (int i = 0; i < m_maxParam; i++) {
if (i > 0) cg.printf(aggregateParams ? "." : ", ");
bool isRef;
if (userFunc) {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*params)[i]);
isRef = param->isRef();
if (aggregateParams) {
cg.printf("set%s(%d, v_%s", isRef ? "Ref" : "", i,
param->getName().c_str());
} else {
cg.printf("%sv_%s%s",
isRef ? "ref(" : "", param->getName().c_str(),
isRef ? ")" : "");
}
} else {
isRef = isRefParam(i);
if (aggregateParams) {
cg.printf("set%s(%d, a%d", isRef ? "Ref" : "", i, i);
} else {
cg.printf("%sa%d%s",
isRef ? "ref(" : "", i, isRef ? ")" : "");
}
}
if (aggregateParams) cg.printf(")");
}
if (aggregateParams) {
if (m_maxParam) cg.printf(".create()");
cg.printf(")");
}
if (isVariableArgument()) {
if (aggregateParams || m_maxParam > 0) cg.printf(",");
cg.printf("args");
}
}
void ClassStatement::onParse(AnalysisResultPtr ar) {
ClassScope::KindOf kindOf = ClassScope::KindOfObjectClass;
switch (m_type) {
case T_CLASS: kindOf = ClassScope::KindOfObjectClass; break;
case T_ABSTRACT: kindOf = ClassScope::KindOfAbstractClass; break;
case T_FINAL: kindOf = ClassScope::KindOfFinalClass; break;
default:
ASSERT(false);
}
vector<string> bases;
if (!m_parent.empty()) {
bases.push_back(m_parent);
ar->addNonFinal(m_parent);
}
if (m_base) m_base->getStrings(bases);
StatementPtr stmt = dynamic_pointer_cast<Statement>(shared_from_this());
ClassScopePtr classScope(new ClassScope(kindOf, m_originalName, m_parent,
bases, m_docComment,
stmt, ar->getFileScope()));
m_classScope = classScope;
if (!ar->getFileScope()->addClass(ar, classScope)) {
m_ignored = true;
return;
}
ar->recordClassSource(m_name, ar->getFileScope()->getName());
if (m_stmt) {
ar->pushScope(classScope);
bool seenConstruct = false;
for (int i = 0; i < m_stmt->getCount(); i++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && meth->getName() == "__construct") {
seenConstruct = true;
break;
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
if (!seenConstruct) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && classScope && meth->getName() == classScope->getName()
&& !meth->getModifiers()->isStatic()) {
// class-name constructor
classScope->setAttribute(ClassScope::classNameConstructor);
}
}
IParseHandlerPtr ph = dynamic_pointer_cast<IParseHandler>((*m_stmt)[i]);
ph->onParse(ar);
}
ar->popScope();
}
}
StatementPtr ClassStatement::addClone(StatementPtr origStmt) {
assert(m_stmt);
StatementPtr newStmt = Clone(origStmt);
MethodStatementPtr newMethStmt =
dynamic_pointer_cast<MethodStatement>(newStmt);
if (newMethStmt) {
newMethStmt->setClassName(m_name);
newMethStmt->setOriginalClassName(m_originalName);
}
m_stmt->addElement(newStmt);
return newStmt;
}
void Parser::onMethod(Token &out, Token &modifiers, Token &ref, Token &name,
Token ¶ms, Token &stmt) {
ClassStatementPtr cs = peekClass();
MethodStatementPtr ms = peekFunc()->unsafe_cast<MethodStatement>();
ASSERT(ms);
popFunc();
StatementListStatementPtr stmts = stmt->getStmtList();
ms->resetLoc(this);
if (stmts) stmts->resetLoc(this);
ms->init(this, ref.num(), params->params(), stmts, m_hasCallToGetArgs);
cs->addMethod(ms);
}
void ClassScope::findTraitMethodsToImport(AnalysisResultPtr ar,
ClassScopePtr trait) {
assert(Option::WholeProgram);
ClassStatementPtr tStmt =
dynamic_pointer_cast<ClassStatement>(trait->getStmt());
StatementListPtr tStmts = tStmt->getStmts();
if (!tStmts) return;
for (int s = 0; s < tStmts->getCount(); s++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*tStmts)[s]);
if (meth) {
TraitMethod traitMethod(trait, meth, ModifierExpressionPtr(),
MethodStatementPtr());
addImportTraitMethod(traitMethod, meth->getName());
}
}
}
MethodStatementPtr
ClassScope::findTraitMethod(AnalysisResultPtr ar,
ClassScopePtr trait,
const string &methodName,
std::set<ClassScopePtr> &visitedTraits) {
if (visitedTraits.find(trait) != visitedTraits.end()) {
return MethodStatementPtr();
}
visitedTraits.insert(trait);
ClassStatementPtr tStmt =
dynamic_pointer_cast<ClassStatement>(trait->getStmt());
StatementListPtr tStmts = tStmt->getStmts();
// Look in the current trait
for (int s = 0; s < tStmts->getCount(); s++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*tStmts)[s]);
if (meth) { // Handle methods
if (meth->getName() == methodName) {
return meth;
}
}
}
// Look into children traits
for (int s = 0; s < tStmts->getCount(); s++) {
UseTraitStatementPtr useTraitStmt =
dynamic_pointer_cast<UseTraitStatement>((*tStmts)[s]);
if (useTraitStmt) {
vector<string> usedTraits;
useTraitStmt->getUsedTraitNames(usedTraits);
for (unsigned i = 0; i < usedTraits.size(); i++) {
MethodStatementPtr foundMethod =
findTraitMethod(ar, ar->findClass(usedTraits[i]), methodName,
visitedTraits);
if (foundMethod) return foundMethod;
}
}
}
return MethodStatementPtr(); // not found
}
void FunctionScope::setParamSpecs(AnalysisResultPtr ar) {
if (m_maxParam > 0 && m_stmt) {
MethodStatementPtr stmt = dynamic_pointer_cast<MethodStatement>(m_stmt);
ExpressionListPtr params = stmt->getParams();
for (int i = 0; i < m_maxParam; i++) {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*params)[i]);
TypePtr specType = param->getTypeSpec(ar, false);
if (specType &&
!specType->is(Type::KindOfSome) &&
!specType->is(Type::KindOfVariant)) {
m_paramTypeSpecs[i] = specType;
}
ExpressionPtr exp = param->defaultValue();
if (exp) {
m_paramDefaults[i] = exp->getText(false, false, ar);
}
}
}
}
MethodStatementPtr
ClassScope::importTraitMethod(const TraitMethod& traitMethod,
AnalysisResultPtr ar,
std::string methName) {
MethodStatementPtr meth = traitMethod.method;
std::string origMethName = traitMethod.originalName;
ModifierExpressionPtr modifiers = traitMethod.modifiers;
auto cloneMeth = dynamic_pointer_cast<MethodStatement>(
dynamic_pointer_cast<ClassStatement>(m_stmt)->addClone(meth));
cloneMeth->setOriginalName(origMethName);
// Note: keep previous modifiers if none specified when importing the trait
if (modifiers && modifiers->getCount()) {
cloneMeth->setModifiers(modifiers);
}
FunctionScopePtr funcScope = meth->getFunctionScope();
// Trait method typehints, self and parent, need to be converted
auto cScope = dynamic_pointer_cast<ClassScope>(shared_from_this());
cloneMeth->fixupSelfAndParentTypehints( cScope );
auto cloneFuncScope =
std::make_shared<HPHP::FunctionScope>(
funcScope, ar, origMethName, cloneMeth,
cloneMeth->getModifiers(), cScope->isUserClass());
cloneMeth->resetScope(cloneFuncScope);
cloneFuncScope->setOuterScope(shared_from_this());
cloneFuncScope->setFromTrait(true);
informClosuresAboutScopeClone(cloneMeth, cloneFuncScope, ar);
cloneMeth->addTraitMethodToScope(ar,
dynamic_pointer_cast<ClassScope>(shared_from_this()));
// Preserve original filename (as this varies per-function and not per-unit
// in the case of methods imported from flattened traits)
auto const& name = meth->getOriginalFilename().empty() ?
meth->getFileScope()->getName() : meth->getOriginalFilename();
cloneMeth->setOriginalFilename(name);
return cloneMeth;
}
void StatementList::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
FunctionScopePtr func = getFunctionScope();
for (unsigned int i = 0; i < m_stmts.size(); i++) {
StatementPtr stmt = m_stmts[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");
}
}
}
}
}
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");
}
}
}
}
}
}
void Parser::onMethod(Token &out, Token &modifiers, Token &ret, Token &ref,
Token &name, Token ¶ms, Token &stmt,
bool reloc /* = true */) {
ClassStatementPtr cs = peekClass();
MethodStatementPtr ms = peekFunc()->unsafe_cast<MethodStatement>();
ASSERT(ms);
popFunc();
if (reloc) {
ms->setLoc(popFuncLocation().get());
}
ms->resetLoc(this);
bool hasCallToGetArgs = m_hasCallToGetArgs.back();
m_hasCallToGetArgs.pop_back();
m_foreaches.pop_back();
m_pendingStatements.pop_back();
if (ms->hasYield()) {
string closureName = getClosureName();
ms->setName(closureName);
ms->setPublic();
Token new_params;
prepare_generator(this, stmt, new_params, ms->getYieldCount());
StatementListStatementPtr stmts = stmt->getStmtList();
if (stmts) stmts->resetLoc(this);
ms->init(this, ref.num(), new_params->params(), stmts, hasCallToGetArgs);
String clsname = cs->name();
create_generator(this, out, params, name, closureName, clsname.data(),
&modifiers, hasCallToGetArgs);
} else {
StatementListStatementPtr stmts = stmt->getStmtList();
if (stmts) stmts->resetLoc(this);
ms->init(this, ref.num(), params->params(), stmts, hasCallToGetArgs);
}
cs->addMethod(ms);
}
void FunctionScope::outputCPPClassMap(CodeGenerator &cg, AnalysisResultPtr ar) {
int attribute = ClassInfo::IsNothing;
if (!isUserFunction()) attribute |= ClassInfo::IsSystem;
if (isRedeclaring()) attribute |= ClassInfo::IsRedeclared;
if (isVolatile()) attribute |= ClassInfo::IsVolatile;
if (isRefReturn()) attribute |= ClassInfo::IsReference;
if (isProtected()) {
attribute |= ClassInfo::IsProtected;
} else if (isPrivate()) {
attribute |= ClassInfo::IsPrivate;
} else {
attribute |= ClassInfo::IsPublic;
}
if (isAbstract()) attribute |= ClassInfo::IsAbstract;
if (isStatic() && !isStaticMethodAutoFixed()) {
attribute |= ClassInfo::IsStatic;
}
if (isFinal()) attribute |= ClassInfo::IsFinal;
if (!m_docComment.empty()) attribute |= ClassInfo::HasDocComment;
// Use the original cased name, for reflection to work correctly.
cg.printf("(const char *)0x%04X, \"%s\", NULL, NULL,\n", attribute,
getOriginalName().c_str());
if (!m_docComment.empty()) {
char *dc = string_cplus_escape(m_docComment.c_str());
cg.printf("\"%s\",\n", dc);
free(dc);
}
Variant defArg;
for (int i = 0; i < m_maxParam; i++) {
int attr = ClassInfo::IsNothing;
if (i >= m_minParam) attr |= ClassInfo::IsOptional;
if (isRefParam(i)) attr |= ClassInfo::IsReference;
cg.printf("(const char *)0x%04X, \"%s\", \"%s\", ",
attr, m_paramNames[i].c_str(),
Util::toLower(m_paramTypes[i]->getPHPName()).c_str());
if (i >= m_minParam) {
MethodStatementPtr m =
dynamic_pointer_cast<MethodStatement>(getStmt());
if (m) {
ExpressionListPtr params = m->getParams();
assert(i < params->getCount());
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*params)[i]);
assert(param);
ExpressionPtr def = param->defaultValue();
if (!def->isScalar() || !def->getScalarValue(defArg)) {
defArg = "1";
}
} else {
defArg = "1";
}
char *s = string_cplus_escape(f_serialize(defArg).data());
cg.printf("\"%s\",\n", s);
free(s);
} else {
cg.printf("\"\",\n");
}
}
cg.printf("NULL,\n");
m_variables->outputCPPStaticVariables(cg, ar);
}
ExpressionPtr FunctionCall::inliner(AnalysisResultConstPtr ar,
ExpressionPtr obj, std::string localThis) {
FunctionScopePtr fs = getFunctionScope();
if (m_noInline || !fs || fs == m_funcScope || !m_funcScope->getStmt()) {
return ExpressionPtr();
}
BlockScope::s_jobStateMutex.lock();
if (m_funcScope->getMark() == BlockScope::MarkProcessing) {
fs->setForceRerun(true);
BlockScope::s_jobStateMutex.unlock();
return ExpressionPtr();
}
ReadLock lock(m_funcScope->getInlineMutex());
BlockScope::s_jobStateMutex.unlock();
if (!m_funcScope->getInlineAsExpr()) {
return ExpressionPtr();
}
if (m_funcScope->getInlineSameContext() &&
m_funcScope->getContainingClass() &&
m_funcScope->getContainingClass() != getClassScope()) {
/*
The function contains a context sensitive construct such as
call_user_func (context sensitive because it could call
array('parent', 'foo')) so its not safe to inline it
into a different context.
*/
return ExpressionPtr();
}
MethodStatementPtr m
(dynamic_pointer_cast<MethodStatement>(m_funcScope->getStmt()));
VariableTablePtr vt = fs->getVariables();
int nAct = m_params ? m_params->getCount() : 0;
int nMax = m_funcScope->getMaxParamCount();
if (nAct < m_funcScope->getMinParamCount() || !m->getStmts()) {
return ExpressionPtr();
}
InlineCloneInfo info(m_funcScope);
info.elist = ExpressionListPtr(new ExpressionList(
getScope(), getLocation(),
ExpressionList::ListKindWrapped));
std::ostringstream oss;
oss << fs->nextInlineIndex() << "_" << m_name << "_";
std::string prefix = oss.str();
if (obj) {
info.callWithThis = true;
if (!obj->isThis()) {
SimpleVariablePtr var
(new SimpleVariable(getScope(),
obj->getLocation(),
prefix + "this"));
var->updateSymbol(SimpleVariablePtr());
var->getSymbol()->setHidden();
var->getSymbol()->setUsed();
var->getSymbol()->setReferenced();
AssignmentExpressionPtr ae
(new AssignmentExpression(getScope(),
obj->getLocation(),
var, obj, false));
info.elist->addElement(ae);
info.sepm[var->getName()] = var;
info.localThis = var->getName();
}
} else {
if (m_classScope) {
if (!m_funcScope->isStatic()) {
ClassScopeRawPtr oCls = getOriginalClass();
FunctionScopeRawPtr oFunc = getOriginalFunction();
if (oCls && !oFunc->isStatic() &&
(oCls == m_classScope ||
oCls->derivesFrom(ar, m_className, true, false))) {
info.callWithThis = true;
info.localThis = localThis;
}
}
if (!isSelf() && !isParent() && !isStatic()) {
info.staticClass = m_className;
}
}
}
ExpressionListPtr plist = m->getParams();
int i;
for (i = 0; i < nMax || i < nAct; i++) {
ParameterExpressionPtr param
(i < nMax ?
dynamic_pointer_cast<ParameterExpression>((*plist)[i]) :
ParameterExpressionPtr());
ExpressionPtr arg = i < nAct ? (*m_params)[i] :
Clone(param->defaultValue(), getScope());
SimpleVariablePtr var
(new SimpleVariable(getScope(),
(i < nAct ? arg.get() : this)->getLocation(),
prefix + (param ?
param->getName() :
lexical_cast<string>(i))));
var->updateSymbol(SimpleVariablePtr());
var->getSymbol()->setHidden();
var->getSymbol()->setUsed();
var->getSymbol()->setReferenced();
bool ref =
(i < nMax && m_funcScope->isRefParam(i)) ||
arg->hasContext(RefParameter);
arg->clearContext(RefParameter);
AssignmentExpressionPtr ae
(new AssignmentExpression(getScope(),
arg->getLocation(),
var, arg, ref));
info.elist->addElement(ae);
if (i < nAct && (ref || !arg->isScalar())) {
info.sepm[var->getName()] = var;
}
}
if (cloneStmtsForInline(info, m->getStmts(), prefix, ar,
getFunctionScope()) <= 0) {
info.elist->addElement(makeConstant(ar, "null"));
}
if (info.sepm.size()) {
ExpressionListPtr unset_list
(new ExpressionList(getScope(), getLocation()));
for (StringToExpressionPtrMap::iterator it = info.sepm.begin(),
end = info.sepm.end(); it != end; ++it) {
ExpressionPtr var = it->second->clone();
var->clearContext((Context)(unsigned)-1);
unset_list->addElement(var);
}
ExpressionPtr unset(
new UnaryOpExpression(getScope(), getLocation(),
unset_list, T_UNSET, true));
i = info.elist->getCount();
ExpressionPtr ret = (*info.elist)[--i];
if (ret->isScalar()) {
info.elist->insertElement(unset, i);
} else {
ExpressionListPtr result_list
(new ExpressionList(getScope(), getLocation(),
ExpressionList::ListKindLeft));
if (ret->hasContext(LValue)) {
result_list->setContext(LValue);
result_list->setContext(ReturnContext);
}
result_list->addElement(ret);
result_list->addElement(unset);
(*info.elist)[i] = result_list;
}
}
recomputeEffects();
return replaceValue(info.elist);
}
void FunctionScope::outputCPPParamsCall(CodeGenerator &cg,
AnalysisResultPtr ar,
bool aggregateParams) {
if (isVariableArgument()) {
cg_printf("num_args, ");
}
bool userFunc = isUserFunction();
MethodStatementPtr stmt;
ExpressionListPtr params;
if (userFunc) {
stmt = dynamic_pointer_cast<MethodStatement>(m_stmt);
params = stmt->getParams();
}
bool arrayCreated = false;
if (Option::GenArrayCreate &&
cg.getOutput() != CodeGenerator::SystemCPP &&
aggregateParams && m_maxParam > 0) {
if (stmt && !stmt->hasRefParam()) {
cg_printf("Array(");
stmt->outputParamArrayInit(cg);
cg_printf(")");
arrayCreated = true;
} else if (!userFunc && !hasRefParam(m_maxParam)) {
cg_printf("Array(");
for (int i = 0; i < m_maxParam; i++) {
if (isRefParam(i)) {
cg_printf("%d, ref(a%d)", i, i);
} else {
cg_printf("%d, a%d", i, i);
}
if (i < m_maxParam - 1) {
cg_printf(", ");
} else {
cg_printf(")");
}
}
cg_printf(")");
arrayCreated = true;
}
}
if (arrayCreated && isVariableArgument()) {
cg_printf(",");
cg_printf("args");
return;
}
if (aggregateParams) {
cg_printf("Array(");
if (m_maxParam) {
// param arrays are always vectors
cg_printf("ArrayInit(%d, true).", m_maxParam);
}
}
for (int i = 0; i < m_maxParam; i++) {
if (i > 0) cg_printf(aggregateParams ? "." : ", ");
bool isRef;
if (userFunc) {
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*params)[i]);
isRef = param->isRef();
if (aggregateParams) {
cg_printf("set%s(v_%s", isRef ? "Ref" : "",
param->getName().c_str());
} else {
cg_printf("%sv_%s%s",
isRef ? "ref(" : "", param->getName().c_str(),
isRef ? ")" : "");
}
} else {
isRef = isRefParam(i);
if (aggregateParams) {
cg_printf("set%s(a%d", isRef ? "Ref" : "", i);
} else {
cg_printf("%sa%d%s",
isRef ? "ref(" : "", i, isRef ? ")" : "");
}
}
if (aggregateParams) cg_printf(")");
}
if (aggregateParams) {
if (m_maxParam) cg_printf(".create()");
cg_printf(")");
}
if (isVariableArgument()) {
if (aggregateParams || m_maxParam > 0) cg_printf(",");
cg_printf("args");
}
}
void ClassStatement::onParse(AnalysisResultConstPtr ar, FileScopePtr fs) {
ClassScope::KindOf kindOf = ClassScope::KindOfObjectClass;
switch (m_type) {
case T_CLASS: kindOf = ClassScope::KindOfObjectClass; break;
case T_ABSTRACT: kindOf = ClassScope::KindOfAbstractClass; break;
case T_FINAL: kindOf = ClassScope::KindOfFinalClass; break;
default:
ASSERT(false);
}
vector<string> bases;
if (!m_parent.empty()) {
bases.push_back(m_parent);
}
if (m_base) m_base->getStrings(bases);
StatementPtr stmt = dynamic_pointer_cast<Statement>(shared_from_this());
ClassScopePtr classScope(new ClassScope(kindOf, m_originalName, m_parent,
bases, m_docComment,
stmt));
setBlockScope(classScope);
if (!fs->addClass(ar, classScope)) {
m_ignored = true;
return;
}
if (m_stmt) {
bool seenConstruct = false;
// flatten continuation StatementList into MethodStatements
for (int i = 0; i < m_stmt->getCount(); i++) {
StatementListPtr stmts =
dynamic_pointer_cast<StatementList>((*m_stmt)[i]);
if (stmts) {
m_stmt->removeElement(i);
for (int j = 0; j < stmts->getCount(); j++) {
m_stmt->insertElement((*stmts)[j], i + j);
}
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && meth->getName() == "__construct") {
seenConstruct = true;
break;
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
if (!seenConstruct) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && classScope && meth->getName() == classScope->getName()
&& !meth->getModifiers()->isStatic()) {
// class-name constructor
classScope->setAttribute(ClassScope::ClassNameConstructor);
}
}
IParseHandlerPtr ph = dynamic_pointer_cast<IParseHandler>((*m_stmt)[i]);
ph->onParseRecur(ar, classScope);
}
}
}
void Dictionary::build(MethodStatementPtr m) {
if (StatementPtr s = m->getStmts()) {
build(s);
}
}
void ClassStatement::onParse(AnalysisResultConstPtr ar, FileScopePtr fs) {
ClassScope::KindOf kindOf = ClassScope::KindOfObjectClass;
switch (m_type) {
case T_CLASS: kindOf = ClassScope::KindOfObjectClass; break;
case T_ABSTRACT: kindOf = ClassScope::KindOfAbstractClass; break;
case T_FINAL: kindOf = ClassScope::KindOfFinalClass; break;
case T_TRAIT: kindOf = ClassScope::KindOfTrait; break;
default:
assert(false);
}
vector<string> bases;
if (!m_originalParent.empty()) {
bases.push_back(m_originalParent);
}
if (m_base) m_base->getOriginalStrings(bases);
for (auto &b : bases) {
ar->parseOnDemandByClass(Util::toLower(b));
}
vector<UserAttributePtr> attrs;
if (m_attrList) {
for (int i = 0; i < m_attrList->getCount(); ++i) {
UserAttributePtr a =
dynamic_pointer_cast<UserAttribute>((*m_attrList)[i]);
attrs.push_back(a);
}
}
StatementPtr stmt = dynamic_pointer_cast<Statement>(shared_from_this());
ClassScopePtr classScope(new ClassScope(kindOf, m_originalName,
m_originalParent,
bases, m_docComment,
stmt, attrs));
setBlockScope(classScope);
if (!fs->addClass(ar, classScope)) {
m_ignored = true;
return;
}
if (Option::PersistenceHook) {
classScope->setPersistent(Option::PersistenceHook(classScope, fs));
}
if (m_stmt) {
MethodStatementPtr constructor;
// flatten continuation StatementList into MethodStatements
for (int i = 0; i < m_stmt->getCount(); i++) {
StatementListPtr stmts =
dynamic_pointer_cast<StatementList>((*m_stmt)[i]);
if (stmts) {
m_stmt->removeElement(i);
for (int j = 0; j < stmts->getCount(); j++) {
m_stmt->insertElement((*stmts)[j], i + j);
}
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && meth->getName() == "__construct") {
constructor = meth;
break;
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
if (!constructor) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth && meth->getName() == classScope->getName()
&& !classScope->isTrait()) {
// class-name constructor
constructor = meth;
classScope->setAttribute(ClassScope::ClassNameConstructor);
}
}
IParseHandlerPtr ph = dynamic_pointer_cast<IParseHandler>((*m_stmt)[i]);
ph->onParseRecur(ar, classScope);
}
if (constructor && constructor->getModifiers()->isStatic()) {
constructor->parseTimeFatal(Compiler::InvalidAttribute,
"Constructor %s::%s() cannot be static",
classScope->getOriginalName().c_str(),
constructor->getOriginalName().c_str());
}
}
}
void ClassStatement::onParse(AnalysisResultConstPtr ar, FileScopePtr fs) {
ClassScope::KindOf kindOf = ClassScope::KindOf::ObjectClass;
switch (m_type) {
case T_CLASS: kindOf = ClassScope::KindOf::ObjectClass; break;
case T_ABSTRACT: kindOf = ClassScope::KindOf::AbstractClass; break;
case T_STATIC: // Slight hack: see comments in hphp.y
kindOf = ClassScope::KindOf::UtilClass; break;
case T_FINAL: kindOf = ClassScope::KindOf::FinalClass; break;
case T_TRAIT: kindOf = ClassScope::KindOf::Trait; break;
case T_ENUM: kindOf = ClassScope::KindOf::Enum; break;
default:
assert(false);
}
std::vector<std::string> bases;
if (!m_originalParent.empty()) {
bases.push_back(m_originalParent);
}
if (m_base) m_base->getStrings(bases);
for (auto &b : bases) {
ar->parseOnDemandByClass(b);
}
std::vector<UserAttributePtr> attrs;
if (m_attrList) {
for (int i = 0; i < m_attrList->getCount(); ++i) {
UserAttributePtr a =
dynamic_pointer_cast<UserAttribute>((*m_attrList)[i]);
attrs.push_back(a);
}
}
StatementPtr stmt = dynamic_pointer_cast<Statement>(shared_from_this());
auto classScope = std::make_shared<ClassScope>(
fs, kindOf, m_originalName,
m_originalParent,
bases, m_docComment,
stmt, attrs);
setBlockScope(classScope);
if (!fs->addClass(ar, classScope)) {
m_ignored = true;
return;
}
classScope->setPersistent(false);
if (m_stmt) {
MethodStatementPtr constructor = nullptr;
MethodStatementPtr destructor = nullptr;
MethodStatementPtr clone = nullptr;
// flatten continuation StatementList into MethodStatements
for (int i = 0; i < m_stmt->getCount(); i++) {
StatementListPtr stmts =
dynamic_pointer_cast<StatementList>((*m_stmt)[i]);
if (stmts) {
m_stmt->removeElement(i);
for (int j = 0; j < stmts->getCount(); j++) {
m_stmt->insertElement((*stmts)[j], i + j);
}
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth) {
if (meth->isNamed("__construct")) {
constructor = meth;
continue;
}
if (meth->isNamed("__destruct")) {
destructor = meth;
continue;
}
if (meth->isNamed("__clone")) {
clone = meth;
continue;
}
}
if (constructor && destructor && clone) {
break;
}
}
for (int i = 0; i < m_stmt->getCount(); i++) {
if (!constructor) {
MethodStatementPtr meth =
dynamic_pointer_cast<MethodStatement>((*m_stmt)[i]);
if (meth &&
meth->isNamed(classScope->getOriginalName()) &&
!classScope->isTrait()) {
// class-name constructor
constructor = meth;
classScope->setAttribute(ClassScope::ClassNameConstructor);
}
}
IParseHandlerPtr ph = dynamic_pointer_cast<IParseHandler>((*m_stmt)[i]);
ph->onParseRecur(ar, fs, classScope);
}
if (constructor && constructor->getModifiers()->isStatic()) {
constructor->parseTimeFatal(fs,
Compiler::InvalidAttribute,
"Constructor %s::%s() cannot be static",
classScope->getOriginalName().c_str(),
constructor->getOriginalName().c_str());
}
if (destructor && destructor->getModifiers()->isStatic()) {
destructor->parseTimeFatal(fs,
Compiler::InvalidAttribute,
"Destructor %s::%s() cannot be static",
classScope->getOriginalName().c_str(),
destructor->getOriginalName().c_str());
}
if (clone && clone->getModifiers()->isStatic()) {
clone->parseTimeFatal(fs,
Compiler::InvalidAttribute,
"Clone method %s::%s() cannot be static",
classScope->getOriginalName().c_str(),
clone->getOriginalName().c_str());
}
}
}
void FunctionScope::init(AnalysisResultConstPtr ar) {
m_dynamicInvoke = false;
bool canInline = true;
if (m_pseudoMain) {
canInline = false;
m_variables->forceVariants(ar, VariableTable::AnyVars);
setReturnType(ar, Type::Variant);
}
if (m_refReturn) {
m_returnType = Type::Variant;
}
if (!strcasecmp(m_name.c_str(), "__autoload")) {
setVolatile();
}
// FileScope's flags are from parser, but VariableTable has more flags
// coming from type inference phase. So we are tranferring these flags
// just for better modularization between FileScope and VariableTable.
if (m_attribute & FileScope::ContainsDynamicVariable) {
m_variables->setAttribute(VariableTable::ContainsDynamicVariable);
}
if (m_attribute & FileScope::ContainsLDynamicVariable) {
m_variables->setAttribute(VariableTable::ContainsLDynamicVariable);
}
if (m_attribute & FileScope::ContainsExtract) {
m_variables->setAttribute(VariableTable::ContainsExtract);
}
if (m_attribute & FileScope::ContainsAssert) {
m_variables->setAttribute(VariableTable::ContainsAssert);
}
if (m_attribute & FileScope::ContainsCompact) {
m_variables->setAttribute(VariableTable::ContainsCompact);
}
if (m_attribute & FileScope::ContainsUnset) {
m_variables->setAttribute(VariableTable::ContainsUnset);
}
if (m_attribute & FileScope::ContainsGetDefinedVars) {
m_variables->setAttribute(VariableTable::ContainsGetDefinedVars);
}
if (m_stmt && Option::AllVolatile && !m_pseudoMain && !m_method) {
m_volatile = true;
}
m_dynamic = Option::IsDynamicFunction(m_method, m_name) ||
Option::EnableEval == Option::FullEval || Option::AllDynamic;
if (!m_method && Option::DynamicInvokeFunctions.find(m_name) !=
Option::DynamicInvokeFunctions.end()) {
setDynamicInvoke();
}
if (m_modifiers) {
m_virtual = m_modifiers->isAbstract();
}
if (m_stmt) {
MethodStatementPtr stmt = dynamic_pointer_cast<MethodStatement>(m_stmt);
StatementListPtr stmts = stmt->getStmts();
if (stmts) {
if (stmts->getRecursiveCount() > Option::InlineFunctionThreshold)
canInline = false;
for (int i = 0; i < stmts->getCount(); i++) {
StatementPtr stmt = (*stmts)[i];
stmt->setFileLevel();
if (stmt->is(Statement::KindOfExpStatement)) {
ExpStatementPtr expStmt = dynamic_pointer_cast<ExpStatement>(stmt);
ExpressionPtr exp = expStmt->getExpression();
exp->setTopLevel();
}
}
}
} else {
canInline = false;
}
m_inlineable = canInline;
}
void FunctionScope::outputCPPClassMap(CodeGenerator &cg, AnalysisResultPtr ar) {
int attribute = ClassInfo::IsNothing;
if (!isUserFunction()) attribute |= ClassInfo::IsSystem;
if (isRedeclaring()) attribute |= ClassInfo::IsRedeclared;
if (isVolatile()) attribute |= ClassInfo::IsVolatile;
if (isRefReturn()) attribute |= ClassInfo::IsReference;
if (isProtected()) {
attribute |= ClassInfo::IsProtected;
} else if (isPrivate()) {
attribute |= ClassInfo::IsPrivate;
} else {
attribute |= ClassInfo::IsPublic;
}
if (isAbstract()) attribute |= ClassInfo::IsAbstract;
if (isStatic()) {
attribute |= ClassInfo::IsStatic;
}
if (isFinal()) attribute |= ClassInfo::IsFinal;
if (isVariableArgument()) {
attribute |= ClassInfo::VariableArguments;
}
if (isReferenceVariableArgument()) {
attribute |= ClassInfo::RefVariableArguments;
}
if (isMixedVariableArgument()) {
attribute |= ClassInfo::MixedVariableArguments;
}
attribute |= m_attributeClassInfo;
if (!m_docComment.empty() && Option::GenerateDocComments) {
attribute |= ClassInfo::HasDocComment;
} else {
attribute &= ~ClassInfo::HasDocComment;
}
// Use the original cased name, for reflection to work correctly.
cg_printf("(const char *)0x%04X, \"%s\", \"%s\", (const char *)%d, "
"(const char *)%d, NULL, NULL,\n", attribute,
getOriginalName().c_str(),
m_stmt ? m_stmt->getLocation()->file : "",
m_stmt ? m_stmt->getLocation()->line0 : 0,
m_stmt ? m_stmt->getLocation()->line1 : 0);
if (!m_docComment.empty() && Option::GenerateDocComments) {
char *dc = string_cplus_escape(m_docComment.c_str(), m_docComment.size());
cg_printf("\"%s\",\n", dc);
free(dc);
}
Variant defArg;
for (int i = 0; i < m_maxParam; i++) {
int attr = ClassInfo::IsNothing;
if (i >= m_minParam) attr |= ClassInfo::IsOptional;
if (isRefParam(i)) attr |= ClassInfo::IsReference;
const std::string &tname = m_paramTypeSpecs[i] ?
m_paramTypeSpecs[i]->getPHPName() : "";
cg_printf("(const char *)0x%04X, \"%s\", \"%s\", ",
attr, m_paramNames[i].c_str(),
Util::toLower(tname).c_str());
if (i >= m_minParam) {
MethodStatementPtr m =
dynamic_pointer_cast<MethodStatement>(getStmt());
if (m) {
ExpressionListPtr params = m->getParams();
assert(i < params->getCount());
ParameterExpressionPtr param =
dynamic_pointer_cast<ParameterExpression>((*params)[i]);
assert(param);
ExpressionPtr def = param->defaultValue();
string sdef = def->getText();
char *esdef = string_cplus_escape(sdef.data(), sdef.size());
if (!def->isScalar() || !def->getScalarValue(defArg)) {
/**
* Special value runtime/ext/ext_reflection.cpp can check and throw.
* If we want to avoid seeing this so to make getDefaultValue()
* work better for reflections, we will have to implement
* getScalarValue() to greater extent under compiler/expressions.
*/
cg_printf("\"\x01\", \"%s\",\n", esdef);
} else {
String str = f_serialize(defArg);
char *s = string_cplus_escape(str.data(), str.size());
cg_printf("\"%s\", \"%s\",\n", s, esdef);
free(s);
}
free(esdef);
} else {
char *def = string_cplus_escape(m_paramDefaults[i].data(),
m_paramDefaults[i].size());
char *defText = string_cplus_escape(m_paramDefaultTexts[i].data(),
m_paramDefaultTexts[i].size());
cg_printf("\"%s\", \"%s\",\n", def, defText);
free(def);
free(defText);
}
} else {
cg_printf("\"\", \"\",\n");
}
}
cg_printf("NULL,\n");
m_variables->outputCPPStaticVariables(cg, ar);
}
FunctionScope::FunctionScope(AnalysisResultPtr ar, bool method,
const std::string &name, StatementPtr stmt,
bool reference, int minParam, int maxParam,
ModifierExpressionPtr modifiers,
int attribute, const std::string &docComment,
FileScopePtr file,
bool inPseudoMain /* = false */)
: BlockScope(name, docComment, stmt, BlockScope::FunctionScope),
m_method(method), m_file(file), m_minParam(0), m_maxParam(0),
m_attribute(attribute), m_refReturn(reference), m_modifiers(modifiers),
m_virtual(false), m_overriding(false), m_redeclaring(-1),
m_volatile(false), m_ignored(false), m_pseudoMain(inPseudoMain),
m_magicMethod(false), m_system(false), m_inlineable(false), m_sep(false),
m_containsThis(false), m_staticMethodAutoFixed(false),
m_callTempCountMax(0), m_callTempCountCurrent(0) {
bool canInline = true;
if (inPseudoMain) {
canInline = false;
m_variables->forceVariants(ar);
setReturnType(ar, Type::Variant);
}
setParamCounts(ar, minParam, maxParam);
if (m_refReturn) {
m_returnType = Type::Variant;
}
// FileScope's flags are from parser, but VariableTable has more flags
// coming from type inference phase. So we are tranferring these two
// flags just for better modularization between FileScope and VariableTable.
if (m_attribute & FileScope::ContainsDynamicVariable) {
m_variables->setAttribute(VariableTable::ContainsDynamicVariable);
}
if (m_attribute & FileScope::ContainsLDynamicVariable) {
m_variables->setAttribute(VariableTable::ContainsLDynamicVariable);
}
if (m_attribute & FileScope::ContainsExtract) {
m_variables->setAttribute(VariableTable::ContainsExtract);
}
if (m_attribute & FileScope::ContainsCompact) {
m_variables->setAttribute(VariableTable::ContainsCompact);
}
if (m_attribute & FileScope::ContainsUnset) {
m_variables->setAttribute(VariableTable::ContainsUnset);
}
if (m_attribute & FileScope::ContainsGetDefinedVars) {
m_variables->setAttribute(VariableTable::ContainsGetDefinedVars);
}
if (m_stmt && Option::AllVolatile) {
m_volatile = true;
}
m_dynamic = Option::IsDynamicFunction(method, m_name) ||
Option::EnableEval == Option::FullEval;
if (modifiers) {
m_virtual = modifiers->isAbstract();
}
if (m_stmt) {
MethodStatementPtr stmt = dynamic_pointer_cast<MethodStatement>(m_stmt);
StatementListPtr stmts = stmt->getStmts();
if (stmts) {
if (stmts->getRecursiveCount() > Option::InlineFunctionThreshold)
canInline = false;
for (int i = 0; i < stmts->getCount(); i++) {
StatementPtr stmt = (*stmts)[i];
stmt->setFileLevel();
if (stmt->is(Statement::KindOfExpStatement)) {
ExpStatementPtr expStmt = dynamic_pointer_cast<ExpStatement>(stmt);
ExpressionPtr exp = expStmt->getExpression();
exp->setTopLevel();
}
}
}
} else {
canInline = false;
}
m_inlineable = canInline;
}