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4506f0d30c
Servo currently uses `heapsize`, but Stylo/Gecko use `malloc_size_of`. `malloc_size_of` is better -- it handles various cases that `heapsize` does not -- so this patch changes Servo to use `malloc_size_of`. This patch makes the following changes to the `malloc_size_of` crate. - Adds `MallocSizeOf` trait implementations for numerous types, some built-in (e.g. `VecDeque`), some external and Servo-only (e.g. `string_cache`). - Makes `enclosing_size_of_op` optional, because vanilla jemalloc doesn't support that operation. - For `HashSet`/`HashMap`, falls back to a computed estimate when `enclosing_size_of_op` isn't available. - Adds an extern "C" `malloc_size_of` function that does the actual heap measurement; this is based on the same functions from the `heapsize` crate. This patch makes the following changes elsewhere. - Converts all the uses of `heapsize` to instead use `malloc_size_of`. - Disables the "heapsize"/"heap_size" feature for the external crates that provide it. - Removes the `HeapSizeOf` implementation from `hashglobe`. - Adds `ignore` annotations to a few `Rc`/`Arc`, because `malloc_size_of` doesn't derive those types, unlike `heapsize`.
106 lines
5.1 KiB
Rust
106 lines
5.1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::DOMExceptionBinding;
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use dom::bindings::codegen::Bindings::DOMExceptionBinding::DOMExceptionConstants;
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use dom::bindings::codegen::Bindings::DOMExceptionBinding::DOMExceptionMethods;
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use dom::bindings::reflector::{Reflector, reflect_dom_object};
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::globalscope::GlobalScope;
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use dom_struct::dom_struct;
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#[repr(u16)]
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#[derive(Clone, Copy, Debug, JSTraceable, MallocSizeOf)]
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pub enum DOMErrorName {
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IndexSizeError = DOMExceptionConstants::INDEX_SIZE_ERR,
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HierarchyRequestError = DOMExceptionConstants::HIERARCHY_REQUEST_ERR,
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WrongDocumentError = DOMExceptionConstants::WRONG_DOCUMENT_ERR,
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InvalidCharacterError = DOMExceptionConstants::INVALID_CHARACTER_ERR,
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NoModificationAllowedError = DOMExceptionConstants::NO_MODIFICATION_ALLOWED_ERR,
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NotFoundError = DOMExceptionConstants::NOT_FOUND_ERR,
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NotSupportedError = DOMExceptionConstants::NOT_SUPPORTED_ERR,
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InUseAttributeError = DOMExceptionConstants::INUSE_ATTRIBUTE_ERR,
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InvalidStateError = DOMExceptionConstants::INVALID_STATE_ERR,
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SyntaxError = DOMExceptionConstants::SYNTAX_ERR,
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InvalidModificationError = DOMExceptionConstants::INVALID_MODIFICATION_ERR,
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NamespaceError = DOMExceptionConstants::NAMESPACE_ERR,
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InvalidAccessError = DOMExceptionConstants::INVALID_ACCESS_ERR,
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SecurityError = DOMExceptionConstants::SECURITY_ERR,
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NetworkError = DOMExceptionConstants::NETWORK_ERR,
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AbortError = DOMExceptionConstants::ABORT_ERR,
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TypeMismatchError = DOMExceptionConstants::TYPE_MISMATCH_ERR,
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QuotaExceededError = DOMExceptionConstants::QUOTA_EXCEEDED_ERR,
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TimeoutError = DOMExceptionConstants::TIMEOUT_ERR,
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InvalidNodeTypeError = DOMExceptionConstants::INVALID_NODE_TYPE_ERR,
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DataCloneError = DOMExceptionConstants::DATA_CLONE_ERR,
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}
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#[dom_struct]
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pub struct DOMException {
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reflector_: Reflector,
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code: DOMErrorName,
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}
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impl DOMException {
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fn new_inherited(code: DOMErrorName) -> DOMException {
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DOMException {
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reflector_: Reflector::new(),
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code: code,
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}
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}
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pub fn new(global: &GlobalScope, code: DOMErrorName) -> DomRoot<DOMException> {
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reflect_dom_object(Box::new(DOMException::new_inherited(code)),
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global,
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DOMExceptionBinding::Wrap)
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}
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}
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impl DOMExceptionMethods for DOMException {
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// https://heycam.github.io/webidl/#dfn-DOMException
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fn Code(&self) -> u16 {
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self.code as u16
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}
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// https://heycam.github.io/webidl/#idl-DOMException-error-names
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fn Name(&self) -> DOMString {
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DOMString::from(format!("{:?}", self.code))
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}
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// https://heycam.github.io/webidl/#error-names
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fn Message(&self) -> DOMString {
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let message = match self.code {
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DOMErrorName::IndexSizeError => "The index is not in the allowed range.",
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DOMErrorName::HierarchyRequestError => "The operation would yield an incorrect node tree.",
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DOMErrorName::WrongDocumentError => "The object is in the wrong document.",
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DOMErrorName::InvalidCharacterError => "The string contains invalid characters.",
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DOMErrorName::NoModificationAllowedError => "The object can not be modified.",
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DOMErrorName::NotFoundError => "The object can not be found here.",
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DOMErrorName::NotSupportedError => "The operation is not supported.",
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DOMErrorName::InUseAttributeError => "The attribute already in use.",
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DOMErrorName::InvalidStateError => "The object is in an invalid state.",
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DOMErrorName::SyntaxError => "The string did not match the expected pattern.",
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DOMErrorName::InvalidModificationError => "The object can not be modified in this way.",
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DOMErrorName::NamespaceError => "The operation is not allowed by Namespaces in XML.",
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DOMErrorName::InvalidAccessError => "The object does not support the operation or argument.",
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DOMErrorName::SecurityError => "The operation is insecure.",
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DOMErrorName::NetworkError => "A network error occurred.",
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DOMErrorName::AbortError => "The operation was aborted.",
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DOMErrorName::TypeMismatchError => "The given type does not match any expected type.",
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DOMErrorName::QuotaExceededError => "The quota has been exceeded.",
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DOMErrorName::TimeoutError => "The operation timed out.",
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DOMErrorName::InvalidNodeTypeError =>
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"The supplied node is incorrect or has an incorrect ancestor for this operation.",
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DOMErrorName::DataCloneError => "The object can not be cloned.",
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};
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DOMString::from(message)
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}
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// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-error.prototype.tostring
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fn Stringifier(&self) -> DOMString {
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DOMString::from(format!("{}: {}", self.Name(), self.Message()))
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}
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}
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