void TypeConstraint::verifyFail(const Func* func, int paramNum,
const TypedValue* tv) const {
Transl::VMRegAnchor _;
std::ostringstream fname;
fname << func->fullName()->data() << "()";
const StringData* tn = typeName();
if (isSelf()) {
selfToTypeName(func, &tn);
} else if (isParent()) {
parentToTypeName(func, &tn);
}
auto const givenType = describe_actual_type(tv);
if (isExtended()) {
// Extended type hints raise warnings instead of recoverable
// errors for now, to ease migration (we used to not check these
// at all at runtime).
assert(nullable() &&
"only nullable extended type hints are currently supported");
raise_warning(
"Argument %d to %s must be of type ?%s, %s given",
paramNum + 1, fname.str().c_str(), tn->data(), givenType);
} else {
raise_recoverable_error(
"Argument %d passed to %s must be an instance of %s, %s given",
paramNum + 1, fname.str().c_str(), tn->data(), givenType);
}
}
void TypeConstraint::verifyFail(const Func* func, int paramNum,
TypedValue* tv) const {
JIT::VMRegAnchor _;
const StringData* tn = typeName();
if (isSelf()) {
selfToTypeName(func, &tn);
} else if (isParent()) {
parentToTypeName(func, &tn);
}
auto const givenType = describe_actual_type(tv);
auto c = tvToCell(tv);
if (isArray() && !isSoft() && !func->mustBeRef(paramNum) &&
c->m_type == KindOfObject && c->m_data.pobj->isCollection()) {
// To ease migration, the 'array' type constraint will implicitly cast
// collections to arrays, provided the type constraint is not soft and
// the parameter is not by reference. We raise a notice to let the user
// know that there was a type mismatch and that an implicit conversion
// was performed.
raise_notice(
folly::format(
"Argument {} to {}() must be of type {}, {} given; argument {} was "
"implicitly cast to array",
paramNum + 1, func->fullName()->data(), fullName(), givenType,
paramNum + 1
).str()
);
tvCastToArrayInPlace(tv);
return;
}
if (isExtended() && isSoft()) {
// Soft extended type hints raise warnings instead of recoverable
// errors, to ease migration.
raise_debugging(
"Argument %d to %s() must be of type %s, %s given",
paramNum + 1, func->fullName()->data(), fullName().c_str(), givenType);
} else if (isExtended() && isNullable()) {
raise_typehint_error(
folly::format(
"Argument {} to {}() must be of type {}, {} given",
paramNum + 1, func->fullName()->data(), fullName(), givenType
).str()
);
} else {
raise_typehint_error(
folly::format(
"Argument {} passed to {}() must be an instance of {}, {} given",
paramNum + 1, func->fullName()->data(), tn->data(), givenType
).str()
);
}
}
std::string TypeConstraint::displayName(const Func* func /*= nullptr*/) const {
const StringData* tn = typeName();
std::string name;
if (isSoft()) {
name += '@';
}
if (isNullable() && isExtended()) {
name += '?';
}
if (func && isSelf()) {
selfToTypeName(func, &tn);
name += tn->data();
} else if (func && isParent()) {
parentToTypeName(func, &tn);
name += tn->data();
} else {
const char* str = tn->data();
auto len = tn->size();
if (len > 3 && tolower(str[0]) == 'h' && tolower(str[1]) == 'h' &&
str[2] == '\\') {
bool strip = false;
const char* stripped = str + 3;
switch (len - 3) {
case 3:
strip = (!strcasecmp(stripped, "int") ||
!strcasecmp(stripped, "num"));
break;
case 4: strip = !strcasecmp(stripped, "bool"); break;
case 5: strip = !strcasecmp(stripped, "float"); break;
case 6: strip = !strcasecmp(stripped, "string"); break;
case 8:
strip = (!strcasecmp(stripped, "resource") ||
!strcasecmp(stripped, "noreturn") ||
!strcasecmp(stripped, "arraykey"));
break;
default:
break;
}
if (strip) {
str = stripped;
}
}
name += str;
}
return name;
}
void TypeConstraint::verifyFail(const Func* func, int paramNum,
const TypedValue* tv) const {
Transl::VMRegAnchor _;
std::ostringstream fname;
fname << func->fullName()->data() << "()";
const StringData* tn = typeName();
if (isSelf()) {
selfToTypeName(func, &tn);
} else if (isParent()) {
parentToTypeName(func, &tn);
}
auto const givenType = describe_actual_type(tv);
if (isExtended()) {
if (isSoft()) {
// Soft type hints raise warnings instead of recoverable
// errors by design, to ease migration.
raise_warning(
"Argument %d passed to %s must be of type %s, %s given",
paramNum + 1, fname.str().c_str(), fullName().c_str(), givenType);
} else if (isNullable()) {
// This error message is slightly different from the normal case
// (fullName() vs tn)
raise_recoverable_error(
"Argument %d passed to %s must be of type %s, %s given",
paramNum + 1, fname.str().c_str(), fullName().c_str(), givenType);
} else {
assert(false &&
"Only nullable and soft extended type hints are currently implemented");
}
} else {
raise_recoverable_error(
"Argument %d passed to %s must be an instance of %s, %s given",
paramNum + 1, fname.str().c_str(), tn->data(), givenType);
}
}
