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Unified Diff: runtime/vm/object.cc

Issue 10928160: Limit the maximum number of formal parameters (32K fixed and 32K optional) (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 3 months ago
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Index: runtime/vm/object.cc
===================================================================
--- runtime/vm/object.cc (revision 12287)
+++ runtime/vm/object.cc (working copy)
@@ -3935,25 +3935,24 @@
void Function::set_num_fixed_parameters(intptr_t value) const {
ASSERT(value >= 0);
- raw_ptr()->num_fixed_parameters_ = value;
+ ASSERT(Utils::IsInt(16, value));
+ raw_ptr()->num_fixed_parameters_ = static_cast<int16_t>(value);
}
-void Function::set_num_optional_positional_parameters(intptr_t value) const {
- ASSERT(value >= 0);
- raw_ptr()->num_optional_positional_parameters_ = value;
- // Optional positional and optional named parameters are mutually exclusive.
- ASSERT((num_optional_positional_parameters() == 0) ||
- (num_optional_named_parameters() == 0));
+void Function::set_num_optional_parameters(intptr_t value) const {
+ // A positive value indicates positional params, a negative one named params.
+ ASSERT(Utils::IsInt(16, value));
+ raw_ptr()->num_optional_parameters_ = static_cast<int16_t>(value);
}
-void Function::set_num_optional_named_parameters(intptr_t value) const {
- ASSERT(value >= 0);
- raw_ptr()->num_optional_named_parameters_ = value;
- // Optional positional and optional named parameters are mutually exclusive.
- ASSERT((num_optional_positional_parameters() == 0) ||
- (num_optional_named_parameters() == 0));
+void Function::SetNumOptionalParameters(intptr_t num_optional_parameters,
+ bool are_optional_positional) const {
+ ASSERT(num_optional_parameters >= 0);
+ set_num_optional_parameters(are_optional_positional ?
+ num_optional_parameters :
+ -num_optional_parameters);
}
@@ -3988,13 +3987,12 @@
}
-intptr_t Function::NumberOfParameters() const {
- return num_fixed_parameters() +
- num_optional_positional_parameters() + num_optional_named_parameters();
+intptr_t Function::NumParameters() const {
+ return num_fixed_parameters() + NumOptionalParameters();
}
-intptr_t Function::NumberOfImplicitParameters() const {
+intptr_t Function::NumImplicitParameters() const {
if (kind() == RawFunction::kConstructor) {
if (is_static()) {
ASSERT(IsFactory());
@@ -4013,25 +4011,11 @@
}
-void Function::SetNumberOfParameters(intptr_t num_fixed_parameters,
- intptr_t num_optional_parameters,
- bool are_optional_positional) const {
- set_num_fixed_parameters(num_fixed_parameters);
- if (are_optional_positional) {
- set_num_optional_positional_parameters(num_optional_parameters);
- set_num_optional_named_parameters(0);
- } else {
- set_num_optional_positional_parameters(0);
- set_num_optional_named_parameters(num_optional_parameters);
- }
-}
-
-
bool Function::AreValidArgumentCounts(int num_arguments,
int num_named_arguments,
String* error_message) const {
if (FLAG_reject_named_argument_as_positional) {
- if (num_named_arguments > num_optional_named_parameters()) {
+ if (num_named_arguments > NumOptionalNamedParameters()) {
if (error_message != NULL) {
const intptr_t kMessageBufferSize = 64;
char message_buffer[kMessageBufferSize];
@@ -4039,20 +4023,20 @@
kMessageBufferSize,
"%d named passed, at most %"Pd" expected",
num_named_arguments,
- num_optional_named_parameters());
+ NumOptionalNamedParameters());
*error_message = String::New(message_buffer);
}
return false; // Too many named arguments.
}
const int num_pos_args = num_arguments - num_named_arguments;
- const int num_opt_pos_params = num_optional_positional_parameters();
+ const int num_opt_pos_params = NumOptionalPositionalParameters();
const int num_pos_params = num_fixed_parameters() + num_opt_pos_params;
if (num_pos_args > num_pos_params) {
if (error_message != NULL) {
const intptr_t kMessageBufferSize = 64;
char message_buffer[kMessageBufferSize];
// Hide implicit parameters to the user.
- const intptr_t num_hidden_params = NumberOfImplicitParameters();
+ const intptr_t num_hidden_params = NumImplicitParameters();
OS::SNPrint(message_buffer,
kMessageBufferSize,
"%"Pd"%s passed, %s%"Pd" expected",
@@ -4069,7 +4053,7 @@
const intptr_t kMessageBufferSize = 64;
char message_buffer[kMessageBufferSize];
// Hide implicit parameters to the user.
- const intptr_t num_hidden_params = NumberOfImplicitParameters();
+ const intptr_t num_hidden_params = NumImplicitParameters();
OS::SNPrint(message_buffer,
kMessageBufferSize,
"%"Pd"%s passed, %s%"Pd" expected",
@@ -4086,18 +4070,18 @@
// TODO(regis): Remove the following code once the flag is removed.
- if (num_arguments > NumberOfParameters()) {
+ if (num_arguments > NumParameters()) {
if (error_message != NULL) {
const intptr_t kMessageBufferSize = 64;
char message_buffer[kMessageBufferSize];
// Hide implicit parameters to the user.
- const intptr_t num_hidden_params = NumberOfImplicitParameters();
+ const intptr_t num_hidden_params = NumImplicitParameters();
OS::SNPrint(message_buffer,
kMessageBufferSize,
"%"Pd" passed, %s%"Pd" expected",
num_arguments - num_hidden_params,
HasOptionalParameters() ? "at most " : "",
- NumberOfParameters() - num_hidden_params);
+ NumParameters() - num_hidden_params);
*error_message = String::New(message_buffer);
}
return false; // Too many arguments.
@@ -4108,7 +4092,7 @@
const intptr_t kMessageBufferSize = 64;
char message_buffer[kMessageBufferSize];
// Hide implicit parameters to the user.
- const intptr_t num_hidden_params = NumberOfImplicitParameters();
+ const intptr_t num_hidden_params = NumImplicitParameters();
OS::SNPrint(message_buffer,
kMessageBufferSize,
"%"Pd" %spassed, %"Pd" expected",
@@ -4141,7 +4125,7 @@
ASSERT(argument_name.IsSymbol());
bool found = false;
const int num_positional_args = num_arguments - num_named_arguments;
- const int num_parameters = NumberOfParameters();
+ const int num_parameters = NumParameters();
for (int j = num_positional_args; !found && (j < num_parameters); j++) {
parameter_name ^= ParameterNameAt(j);
ASSERT(argument_name.IsSymbol());
@@ -4222,13 +4206,13 @@
bool Function::HasCompatibleParametersWith(const Function& other) const {
const intptr_t num_fixed_params = num_fixed_parameters();
- const intptr_t num_opt_pos_params = num_optional_positional_parameters();
- const intptr_t num_opt_named_params = num_optional_named_parameters();
+ const intptr_t num_opt_pos_params = NumOptionalPositionalParameters();
+ const intptr_t num_opt_named_params = NumOptionalNamedParameters();
const intptr_t other_num_fixed_params = other.num_fixed_parameters();
const intptr_t other_num_opt_pos_params =
- other.num_optional_positional_parameters();
+ other.NumOptionalPositionalParameters();
const intptr_t other_num_opt_named_params =
- other.num_optional_named_parameters();
+ other.NumOptionalNamedParameters();
if (FLAG_reject_named_argument_as_positional) {
// The default values of optional parameters can differ.
if ((num_fixed_params != other_num_fixed_params) ||
@@ -4346,13 +4330,13 @@
const AbstractTypeArguments& other_type_arguments,
Error* malformed_error) const {
const intptr_t num_fixed_params = num_fixed_parameters();
- const intptr_t num_opt_pos_params = num_optional_positional_parameters();
- const intptr_t num_opt_named_params = num_optional_named_parameters();
+ const intptr_t num_opt_pos_params = NumOptionalPositionalParameters();
+ const intptr_t num_opt_named_params = NumOptionalNamedParameters();
const intptr_t other_num_fixed_params = other.num_fixed_parameters();
const intptr_t other_num_opt_pos_params =
- other.num_optional_positional_parameters();
+ other.NumOptionalPositionalParameters();
const intptr_t other_num_opt_named_params =
- other.num_optional_named_parameters();
+ other.NumOptionalNamedParameters();
if ((num_fixed_params != other_num_fixed_params) ||
(num_opt_pos_params < other_num_opt_pos_params) ||
(num_opt_named_params < other_num_opt_named_params)) {
@@ -4509,8 +4493,7 @@
result.set_token_pos(token_pos);
result.set_end_token_pos(token_pos);
result.set_num_fixed_parameters(0);
- result.set_num_optional_positional_parameters(0);
- result.set_num_optional_named_parameters(0);
+ result.set_num_optional_parameters(0);
result.set_usage_counter(0);
result.set_deoptimization_counter(0);
result.set_is_optimizable(true);
@@ -4569,13 +4552,11 @@
// removing the receiver if this is an instance method.
const int has_receiver = is_static() ? 0 : 1;
const int num_fixed_params = num_fixed_parameters() - has_receiver;
- const int num_opt_pos_params = num_optional_positional_parameters();
- const int num_opt_named_params = num_optional_named_parameters();
- const int num_params =
- num_fixed_params + num_opt_pos_params + num_opt_named_params;
+ const int num_opt_params = NumOptionalParameters();
+ const bool has_opt_pos_params = HasOptionalPositionalParameters();
+ const int num_params = num_fixed_params + num_opt_params;
closure_function.set_num_fixed_parameters(num_fixed_params);
- closure_function.set_num_optional_positional_parameters(num_opt_pos_params);
- closure_function.set_num_optional_named_parameters(num_opt_named_params);
+ closure_function.SetNumOptionalParameters(num_opt_params, has_opt_pos_params);
closure_function.set_parameter_types(Array::Handle(Array::New(num_params,
Heap::kOld)));
closure_function.set_parameter_names(Array::Handle(Array::New(num_params,
@@ -4668,10 +4649,10 @@
}
}
AbstractType& param_type = AbstractType::Handle();
- const intptr_t num_params = NumberOfParameters();
+ const intptr_t num_params = NumParameters();
const intptr_t num_fixed_params = num_fixed_parameters();
- const intptr_t num_opt_pos_params = num_optional_positional_parameters();
- const intptr_t num_opt_named_params = num_optional_named_parameters();
+ const intptr_t num_opt_pos_params = NumOptionalPositionalParameters();
+ const intptr_t num_opt_named_params = NumOptionalNamedParameters();
const intptr_t num_opt_params = num_opt_pos_params + num_opt_named_params;
ASSERT((num_fixed_params + num_opt_params) == num_params);
pieces.Add(kLParen);
@@ -4736,7 +4717,7 @@
if (!type.IsInstantiated()) {
return false;
}
- const intptr_t num_parameters = NumberOfParameters();
+ const intptr_t num_parameters = NumParameters();
for (intptr_t i = 0; i < num_parameters; i++) {
type = ParameterTypeAt(i);
if (!type.IsInstantiated()) {
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