Variant f_range(CVarRef low, CVarRef high, CVarRef step /* = 1 */) {
bool is_step_double = false;
double dstep = 1.0;
if (step.isDouble()) {
dstep = step.toDouble();
is_step_double = true;
} else if (step.isString()) {
int64_t sn;
double sd;
DataType stype = step.toString()->isNumericWithVal(sn, sd, 0);
if (stype == KindOfDouble) {
is_step_double = true;
dstep = sd;
} else if (stype == KindOfInt64) {
dstep = (double)sn;
} else {
dstep = step.toDouble();
}
} else {
dstep = step.toDouble();
}
/* We only want positive step values. */
if (dstep < 0.0) dstep *= -1;
if (low.isString() && high.isString()) {
String slow = low.toString();
String shigh = high.toString();
if (slow.size() >= 1 && shigh.size() >=1) {
int64_t n1, n2;
double d1, d2;
DataType type1 = slow->isNumericWithVal(n1, d1, 0);
DataType type2 = shigh->isNumericWithVal(n2, d2, 0);
if (type1 == KindOfDouble || type2 == KindOfDouble || is_step_double) {
if (type1 != KindOfDouble) d1 = slow.toDouble();
if (type2 != KindOfDouble) d2 = shigh.toDouble();
return ArrayUtil::Range(d1, d2, dstep);
}
int64_t lstep = (int64_t) dstep;
if (type1 == KindOfInt64 || type2 == KindOfInt64) {
if (type1 != KindOfInt64) n1 = slow.toInt64();
if (type2 != KindOfInt64) n2 = shigh.toInt64();
return ArrayUtil::Range((double)n1, (double)n2, lstep);
}
return ArrayUtil::Range((unsigned char)slow.charAt(0),
(unsigned char)shigh.charAt(0), lstep);
}
}
if (low.is(KindOfDouble) || high.is(KindOfDouble) || is_step_double) {
return ArrayUtil::Range(low.toDouble(), high.toDouble(), dstep);
}
int64_t lstep = (int64_t) dstep;
return ArrayUtil::Range(low.toDouble(), high.toDouble(), lstep);
}
bool BuiltinSymbols::Load(AnalysisResultPtr ar, bool extOnly /* = false */) {
if (Loaded) return true;
Loaded = true;
// load extension functions first, so system/classes may call them
ParseExtFunctions(ar, ExtensionFunctions, false);
AnalysisResultPtr ar2 = AnalysisResultPtr(new AnalysisResult());
s_variables = VariableTablePtr(new VariableTable(*ar2.get()));
s_constants = ConstantTablePtr(new ConstantTable(*ar2.get()));
// parse all PHP files under system/classes
if (!extOnly) {
ar = AnalysisResultPtr(new AnalysisResult());
ar->loadBuiltinFunctions();
string slib = systemlib_path();
if (slib.empty()) {
for (const char **cls = SystemClasses; *cls; cls++) {
string phpBaseName = "/system/classes/";
phpBaseName += *cls;
phpBaseName += ".php";
Parse(ar, phpBaseName, Option::GetSystemRoot() + phpBaseName);
}
} else {
Parse(ar, slib, slib);
}
ar->analyzeProgram(true);
ar->inferTypes();
const StringToFileScopePtrMap &files = ar->getAllFiles();
for (StringToFileScopePtrMap::const_iterator iterFile = files.begin();
iterFile != files.end(); iterFile++) {
const StringToClassScopePtrVecMap &classes =
iterFile->second->getClasses();
for (StringToClassScopePtrVecMap::const_iterator iter = classes.begin();
iter != classes.end(); ++iter) {
assert(iter->second.size() == 1);
iter->second[0]->setSystem();
assert(!s_classes[iter->first]);
s_classes[iter->first] = iter->second[0];
}
}
} else {
NoSuperGlobals = true;
}
// load extension constants, classes and dynamics
ParseExtConsts(ar, ExtensionConsts, false);
ParseExtClasses(ar, ExtensionClasses, false);
for (unsigned int i = 0; i < Option::SepExtensions.size(); i++) {
Option::SepExtensionOptions &options = Option::SepExtensions[i];
string soname = options.soname;
if (soname.empty()) {
soname = string("lib") + options.name + ".so";
}
if (!options.lib_path.empty()) {
soname = options.lib_path + "/" + soname;
}
if (!LoadSepExtensionSymbols(ar, options.name, soname)) {
return false;
}
}
if (!extOnly) {
Array constants = ClassInfo::GetSystemConstants();
LocationPtr loc(new Location);
for (ArrayIter it = constants.begin(); it; ++it) {
CVarRef key = it.first();
if (!key.isString()) continue;
std::string name = key.toCStrRef().data();
if (s_constants->getSymbol(name)) continue;
if (name == "true" || name == "false" || name == "null") continue;
CVarRef value = it.secondRef();
if (!value.isInitialized() || value.isObject()) continue;
ExpressionPtr e = Expression::MakeScalarExpression(ar2, ar2, loc, value);
TypePtr t =
value.isNull() ? Type::Null :
value.isBoolean() ? Type::Boolean :
value.isInteger() ? Type::Int64 :
value.isDouble() ? Type::Double :
value.isArray() ? Type::Array : Type::Variant;
s_constants->add(key.toCStrRef().data(), t, e, ar2, e);
}
s_variables = ar2->getVariables();
for (int i = 0, n = NumGlobalNames(); i < n; ++i) {
s_variables->add(GlobalNames[i], Type::Variant, false, ar,
ConstructPtr(), ModifierExpressionPtr());
}
}
s_constants->setDynamic(ar, "SID", true);
return true;
}
bool BuiltinSymbols::Load(AnalysisResultPtr ar) {
if (Loaded) return true;
Loaded = true;
if (g_context.isNull()) init_thread_locals();
ClassInfo::Load();
// load extension functions first, so system/php may call them
ImportExtFunctions(ar, ClassInfo::GetSystem());
ConstantTablePtr cns = ar->getConstants();
// load extension constants, classes and dynamics
ImportNativeConstants(ar, cns);
ImportExtConstants(ar, cns, ClassInfo::GetSystem());
ImportExtClasses(ar);
Array constants = ClassInfo::GetSystemConstants();
LocationPtr loc(new Location);
for (ArrayIter it = constants.begin(); it; ++it) {
CVarRef key = it.first();
if (!key.isString()) continue;
std::string name = key.toCStrRef().data();
if (cns->getSymbol(name)) continue;
if (name == "true" || name == "false" || name == "null") continue;
CVarRef value = it.secondRef();
if (!value.isInitialized() || value.isObject()) continue;
ExpressionPtr e = Expression::MakeScalarExpression(ar, ar, loc, value);
TypePtr t =
value.isNull() ? Type::Null :
value.isBoolean() ? Type::Boolean :
value.isInteger() ? Type::Int64 :
value.isDouble() ? Type::Double :
value.isArray() ? Type::Array : Type::Variant;
cns->add(key.toCStrRef().data(), t, e, ar, e);
}
for (int i = 0, n = NumGlobalNames(); i < n; ++i) {
ar->getVariables()->add(GlobalNames[i], Type::Variant, false, ar,
ConstructPtr(), ModifierExpressionPtr());
}
cns->setDynamic(ar, "PHP_BINARY", true);
cns->setDynamic(ar, "PHP_BINDIR", true);
cns->setDynamic(ar, "PHP_OS", true);
cns->setDynamic(ar, "PHP_SAPI", true);
cns->setDynamic(ar, "SID", true);
// Systemlib files were all parsed by hphp_process_init
const StringToFileScopePtrMap &files = ar->getAllFiles();
for (const auto& file : files) {
file.second->setSystem();
const auto& classes = file.second->getClasses();
for (const auto& clsVec : classes) {
assert(clsVec.second.size() == 1);
auto cls = clsVec.second[0];
cls->setSystem();
ar->addSystemClass(cls);
for (const auto& func : cls->getFunctions()) {
FunctionScope::RecordFunctionInfo(func.first, func.second);
}
}
const auto& functions = file.second->getFunctions();
for (const auto& func : functions) {
func.second->setSystem();
ar->addSystemFunction(func.second);
FunctionScope::RecordFunctionInfo(func.first, func.second);
}
}
return true;
}
bool same(CVarRef v1, double d) {
return v1.isDouble() && v1.getDouble() == d;
}
bool BuiltinSymbols::Load(AnalysisResultPtr ar, bool extOnly /* = false */) {
if (Loaded) return true;
Loaded = true;
if (g_context.isNull()) init_thread_locals();
ClassInfo::Load();
// load extension functions first, so system/classes may call them
ImportExtFunctions(ar, s_functions, ClassInfo::GetSystem());
AnalysisResultPtr ar2 = AnalysisResultPtr(new AnalysisResult());
s_variables = VariableTablePtr(new VariableTable(*ar2.get()));
s_constants = ConstantTablePtr(new ConstantTable(*ar2.get()));
// parse all PHP files under system/classes
if (!extOnly) {
ar = AnalysisResultPtr(new AnalysisResult());
ar->loadBuiltinFunctions();
string slib = get_systemlib();
Scanner scanner(slib.c_str(), slib.size(),
Option::ScannerType, "systemlib.php");
Compiler::Parser parser(scanner, "systemlib.php", ar);
if (!parser.parse()) {
Logger::Error("Unable to parse systemlib.php: %s",
parser.getMessage().c_str());
assert(false);
}
ar->analyzeProgram(true);
ar->inferTypes();
const StringToFileScopePtrMap &files = ar->getAllFiles();
for (StringToFileScopePtrMap::const_iterator iterFile = files.begin();
iterFile != files.end(); iterFile++) {
const StringToClassScopePtrVecMap &classes =
iterFile->second->getClasses();
for (StringToClassScopePtrVecMap::const_iterator iter = classes.begin();
iter != classes.end(); ++iter) {
assert(iter->second.size() == 1);
iter->second[0]->setSystem();
assert(!s_classes[iter->first]);
s_classes[iter->first] = iter->second[0];
}
}
} else {
NoSuperGlobals = true;
}
// load extension constants, classes and dynamics
ImportExtConstants(ar, s_constants, ClassInfo::GetSystem());
ImportExtClasses(ar);
if (!extOnly) {
Array constants = ClassInfo::GetSystemConstants();
LocationPtr loc(new Location);
for (ArrayIter it = constants.begin(); it; ++it) {
CVarRef key = it.first();
if (!key.isString()) continue;
std::string name = key.toCStrRef().data();
if (s_constants->getSymbol(name)) continue;
if (name == "true" || name == "false" || name == "null") continue;
CVarRef value = it.secondRef();
if (!value.isInitialized() || value.isObject()) continue;
ExpressionPtr e = Expression::MakeScalarExpression(ar2, ar2, loc, value);
TypePtr t =
value.isNull() ? Type::Null :
value.isBoolean() ? Type::Boolean :
value.isInteger() ? Type::Int64 :
value.isDouble() ? Type::Double :
value.isArray() ? Type::Array : Type::Variant;
s_constants->add(key.toCStrRef().data(), t, e, ar2, e);
}
s_variables = ar2->getVariables();
for (int i = 0, n = NumGlobalNames(); i < n; ++i) {
s_variables->add(GlobalNames[i], Type::Variant, false, ar,
ConstructPtr(), ModifierExpressionPtr());
}
}
s_constants->setDynamic(ar, "SID", true);
return true;
}