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Rustfmt malloc_size_of & derive
This commit is contained in:
parent
41a2010ee7
commit
5ba4df0441
2 changed files with 161 additions and 107 deletions
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@ -107,9 +107,11 @@ pub struct MallocSizeOfOps {
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}
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impl MallocSizeOfOps {
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pub fn new(size_of: VoidPtrToSizeFn,
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malloc_enclosing_size_of: Option<VoidPtrToSizeFn>,
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have_seen_ptr: Option<Box<VoidPtrToBoolFnMut>>) -> Self {
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pub fn new(
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size_of: VoidPtrToSizeFn,
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malloc_enclosing_size_of: Option<VoidPtrToSizeFn>,
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have_seen_ptr: Option<Box<VoidPtrToBoolFnMut>>,
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) -> Self {
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MallocSizeOfOps {
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size_of_op: size_of,
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enclosing_size_of_op: malloc_enclosing_size_of,
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@ -127,7 +129,7 @@ impl MallocSizeOfOps {
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// larger than the required alignment, but small enough that it is
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// always in the first page of memory and therefore not a legitimate
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// address.
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return ptr as *const usize as usize <= 256
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return ptr as *const usize as usize <= 256;
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}
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/// Call `size_of_op` on `ptr`, first checking that the allocation isn't
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@ -154,7 +156,10 @@ impl MallocSizeOfOps {
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/// Call `have_seen_ptr_op` on `ptr`.
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pub fn have_seen_ptr<T>(&mut self, ptr: *const T) -> bool {
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let have_seen_ptr_op = self.have_seen_ptr_op.as_mut().expect("missing have_seen_ptr_op");
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let have_seen_ptr_op = self
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.have_seen_ptr_op
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.as_mut()
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.expect("missing have_seen_ptr_op");
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have_seen_ptr_op(ptr as *const c_void)
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}
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}
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@ -257,7 +262,9 @@ impl MallocSizeOf for () {
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}
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impl<T1, T2> MallocSizeOf for (T1, T2)
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where T1: MallocSizeOf, T2: MallocSizeOf
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where
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T1: MallocSizeOf,
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T2: MallocSizeOf,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.0.size_of(ops) + self.1.size_of(ops)
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@ -265,7 +272,10 @@ impl<T1, T2> MallocSizeOf for (T1, T2)
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}
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impl<T1, T2, T3> MallocSizeOf for (T1, T2, T3)
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where T1: MallocSizeOf, T2: MallocSizeOf, T3: MallocSizeOf
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where
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T1: MallocSizeOf,
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T2: MallocSizeOf,
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T3: MallocSizeOf,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.0.size_of(ops) + self.1.size_of(ops) + self.2.size_of(ops)
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@ -273,7 +283,11 @@ impl<T1, T2, T3> MallocSizeOf for (T1, T2, T3)
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}
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impl<T1, T2, T3, T4> MallocSizeOf for (T1, T2, T3, T4)
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where T1: MallocSizeOf, T2: MallocSizeOf, T3: MallocSizeOf, T4: MallocSizeOf
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where
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T1: MallocSizeOf,
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T2: MallocSizeOf,
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T3: MallocSizeOf,
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T4: MallocSizeOf,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.0.size_of(ops) + self.1.size_of(ops) + self.2.size_of(ops) + self.3.size_of(ops)
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@ -312,7 +326,8 @@ impl<T: MallocSizeOf> MallocSizeOf for std::cell::RefCell<T> {
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}
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impl<'a, B: ?Sized + ToOwned> MallocSizeOf for std::borrow::Cow<'a, B>
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where B::Owned: MallocSizeOf
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where
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B::Owned: MallocSizeOf,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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match *self {
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@ -404,8 +419,9 @@ impl<A: smallvec::Array> MallocShallowSizeOf for smallvec::SmallVec<A> {
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}
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impl<A> MallocSizeOf for smallvec::SmallVec<A>
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where A: smallvec::Array,
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A::Item: MallocSizeOf
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where
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A: smallvec::Array,
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A::Item: MallocSizeOf,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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let mut n = self.shallow_size_of(ops);
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@ -417,8 +433,9 @@ impl<A> MallocSizeOf for smallvec::SmallVec<A>
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}
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impl<T, S> MallocShallowSizeOf for std::collections::HashSet<T, S>
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where T: Eq + Hash,
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S: BuildHasher
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where
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T: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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if ops.has_malloc_enclosing_size_of() {
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@ -426,7 +443,9 @@ impl<T, S> MallocShallowSizeOf for std::collections::HashSet<T, S>
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// `ops.malloc_enclosing_size_of()` then gives us the storage size.
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// This assumes that the `HashSet`'s contents (values and hashes)
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// are all stored in a single contiguous heap allocation.
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self.iter().next().map_or(0, |t| unsafe { ops.malloc_enclosing_size_of(t) })
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self.iter()
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.next()
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.map_or(0, |t| unsafe { ops.malloc_enclosing_size_of(t) })
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} else {
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// An estimate.
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self.capacity() * (size_of::<T>() + size_of::<usize>())
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@ -435,8 +454,9 @@ impl<T, S> MallocShallowSizeOf for std::collections::HashSet<T, S>
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}
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impl<T, S> MallocSizeOf for std::collections::HashSet<T, S>
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where T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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where
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T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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let mut n = self.shallow_size_of(ops);
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@ -448,13 +468,16 @@ impl<T, S> MallocSizeOf for std::collections::HashSet<T, S>
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}
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impl<T, S> MallocShallowSizeOf for hashglobe::hash_set::HashSet<T, S>
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where T: Eq + Hash,
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S: BuildHasher
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where
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T: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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// See the implementation for std::collections::HashSet for details.
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if ops.has_malloc_enclosing_size_of() {
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self.iter().next().map_or(0, |t| unsafe { ops.malloc_enclosing_size_of(t) })
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self.iter()
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.next()
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.map_or(0, |t| unsafe { ops.malloc_enclosing_size_of(t) })
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} else {
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self.capacity() * (size_of::<T>() + size_of::<usize>())
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}
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@ -462,8 +485,9 @@ impl<T, S> MallocShallowSizeOf for hashglobe::hash_set::HashSet<T, S>
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}
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impl<T, S> MallocSizeOf for hashglobe::hash_set::HashSet<T, S>
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where T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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where
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T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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let mut n = self.shallow_size_of(ops);
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@ -475,8 +499,9 @@ impl<T, S> MallocSizeOf for hashglobe::hash_set::HashSet<T, S>
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}
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impl<T, S> MallocShallowSizeOf for hashglobe::fake::HashSet<T, S>
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where T: Eq + Hash,
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S: BuildHasher,
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where
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T: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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use std::ops::Deref;
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@ -485,8 +510,9 @@ impl<T, S> MallocShallowSizeOf for hashglobe::fake::HashSet<T, S>
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}
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impl<T, S> MallocSizeOf for hashglobe::fake::HashSet<T, S>
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where T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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where
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T: Eq + Hash + MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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use std::ops::Deref;
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@ -495,13 +521,16 @@ impl<T, S> MallocSizeOf for hashglobe::fake::HashSet<T, S>
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}
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impl<K, V, S> MallocShallowSizeOf for std::collections::HashMap<K, V, S>
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where K: Eq + Hash,
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S: BuildHasher
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where
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K: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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// See the implementation for std::collections::HashSet for details.
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if ops.has_malloc_enclosing_size_of() {
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self.values().next().map_or(0, |v| unsafe { ops.malloc_enclosing_size_of(v) })
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self.values()
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.next()
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.map_or(0, |v| unsafe { ops.malloc_enclosing_size_of(v) })
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} else {
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self.capacity() * (size_of::<V>() + size_of::<K>() + size_of::<usize>())
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}
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@ -509,9 +538,10 @@ impl<K, V, S> MallocShallowSizeOf for std::collections::HashMap<K, V, S>
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}
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impl<K, V, S> MallocSizeOf for std::collections::HashMap<K, V, S>
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where K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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where
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K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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let mut n = self.shallow_size_of(ops);
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@ -524,13 +554,16 @@ impl<K, V, S> MallocSizeOf for std::collections::HashMap<K, V, S>
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}
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impl<K, V, S> MallocShallowSizeOf for hashglobe::hash_map::HashMap<K, V, S>
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where K: Eq + Hash,
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S: BuildHasher
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where
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K: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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// See the implementation for std::collections::HashSet for details.
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if ops.has_malloc_enclosing_size_of() {
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self.values().next().map_or(0, |v| unsafe { ops.malloc_enclosing_size_of(v) })
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self.values()
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.next()
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.map_or(0, |v| unsafe { ops.malloc_enclosing_size_of(v) })
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} else {
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self.capacity() * (size_of::<V>() + size_of::<K>() + size_of::<usize>())
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}
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@ -538,9 +571,10 @@ impl<K, V, S> MallocShallowSizeOf for hashglobe::hash_map::HashMap<K, V, S>
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}
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impl<K, V, S> MallocSizeOf for hashglobe::hash_map::HashMap<K, V, S>
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where K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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where
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K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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let mut n = self.shallow_size_of(ops);
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@ -553,8 +587,9 @@ impl<K, V, S> MallocSizeOf for hashglobe::hash_map::HashMap<K, V, S>
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}
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impl<K, V, S> MallocShallowSizeOf for hashglobe::fake::HashMap<K, V, S>
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where K: Eq + Hash,
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S: BuildHasher,
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where
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K: Eq + Hash,
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S: BuildHasher,
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{
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fn shallow_size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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use std::ops::Deref;
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@ -563,9 +598,10 @@ impl<K, V, S> MallocShallowSizeOf for hashglobe::fake::HashMap<K, V, S>
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}
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impl<K, V, S> MallocSizeOf for hashglobe::fake::HashMap<K, V, S>
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where K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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where
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K: Eq + Hash + MallocSizeOf,
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V: MallocSizeOf,
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S: BuildHasher,
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{
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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use std::ops::Deref;
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@ -667,8 +703,10 @@ impl<T: MallocSizeOf, U> MallocSizeOf for euclid::TypedRect<T, U> {
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impl<T: MallocSizeOf, U> MallocSizeOf for euclid::TypedSideOffsets2D<T, U> {
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.top.size_of(ops) + self.right.size_of(ops) +
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self.bottom.size_of(ops) + self.left.size_of(ops)
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self.top.size_of(ops) +
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self.right.size_of(ops) +
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self.bottom.size_of(ops) +
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self.left.size_of(ops)
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}
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}
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@ -680,22 +718,33 @@ impl<T: MallocSizeOf, U> MallocSizeOf for euclid::TypedSize2D<T, U> {
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impl<T: MallocSizeOf, Src, Dst> MallocSizeOf for euclid::TypedTransform2D<T, Src, Dst> {
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.m11.size_of(ops) + self.m12.size_of(ops) +
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self.m21.size_of(ops) + self.m22.size_of(ops) +
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self.m31.size_of(ops) + self.m32.size_of(ops)
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self.m11.size_of(ops) +
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self.m12.size_of(ops) +
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self.m21.size_of(ops) +
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self.m22.size_of(ops) +
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self.m31.size_of(ops) +
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self.m32.size_of(ops)
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}
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}
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impl<T: MallocSizeOf, Src, Dst> MallocSizeOf for euclid::TypedTransform3D<T, Src, Dst> {
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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self.m11.size_of(ops) + self.m12.size_of(ops) +
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self.m13.size_of(ops) + self.m14.size_of(ops) +
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self.m21.size_of(ops) + self.m22.size_of(ops) +
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self.m23.size_of(ops) + self.m24.size_of(ops) +
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self.m31.size_of(ops) + self.m32.size_of(ops) +
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self.m33.size_of(ops) + self.m34.size_of(ops) +
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self.m41.size_of(ops) + self.m42.size_of(ops) +
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self.m43.size_of(ops) + self.m44.size_of(ops)
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self.m11.size_of(ops) +
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self.m12.size_of(ops) +
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self.m13.size_of(ops) +
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self.m14.size_of(ops) +
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self.m21.size_of(ops) +
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self.m22.size_of(ops) +
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self.m23.size_of(ops) +
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self.m24.size_of(ops) +
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self.m31.size_of(ops) +
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self.m32.size_of(ops) +
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self.m33.size_of(ops) +
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self.m34.size_of(ops) +
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self.m41.size_of(ops) +
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self.m42.size_of(ops) +
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self.m43.size_of(ops) +
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self.m44.size_of(ops)
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}
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}
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@ -712,8 +761,7 @@ impl MallocSizeOf for selectors::parser::AncestorHashes {
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}
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}
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impl<Impl: selectors::parser::SelectorImpl> MallocSizeOf
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for selectors::parser::Selector<Impl>
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impl<Impl: selectors::parser::SelectorImpl> MallocSizeOf for selectors::parser::Selector<Impl>
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where
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Impl::NonTSPseudoClass: MallocSizeOf,
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Impl::PseudoElement: MallocSizeOf,
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@ -733,8 +781,7 @@ where
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}
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}
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impl<Impl: selectors::parser::SelectorImpl> MallocSizeOf
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for selectors::parser::Component<Impl>
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impl<Impl: selectors::parser::SelectorImpl> MallocSizeOf for selectors::parser::Component<Impl>
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where
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Impl::NonTSPseudoClass: MallocSizeOf,
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Impl::PseudoElement: MallocSizeOf,
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@ -743,22 +790,13 @@ where
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use selectors::parser::Component;
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match self {
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Component::AttributeOther(ref attr_selector) => {
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attr_selector.size_of(ops)
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}
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Component::Negation(ref components) => {
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components.size_of(ops)
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}
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Component::NonTSPseudoClass(ref pseudo) => {
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(*pseudo).size_of(ops)
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}
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Component::Slotted(ref selector) |
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Component::Host(Some(ref selector)) => {
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Component::AttributeOther(ref attr_selector) => attr_selector.size_of(ops),
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Component::Negation(ref components) => components.size_of(ops),
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Component::NonTSPseudoClass(ref pseudo) => (*pseudo).size_of(ops),
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Component::Slotted(ref selector) | Component::Host(Some(ref selector)) => {
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selector.size_of(ops)
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}
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Component::PseudoElement(ref pseudo) => {
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(*pseudo).size_of(ops)
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}
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},
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Component::PseudoElement(ref pseudo) => (*pseudo).size_of(ops),
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Component::Combinator(..) |
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Component::ExplicitAnyNamespace |
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Component::ExplicitNoNamespace |
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|
@ -850,7 +888,8 @@ malloc_size_of_is_0!(i8, i16, i32, i64, isize);
|
|||
malloc_size_of_is_0!(f32, f64);
|
||||
|
||||
malloc_size_of_is_0!(std::sync::atomic::AtomicBool);
|
||||
malloc_size_of_is_0!(std::sync::atomic::AtomicIsize, std::sync::atomic::AtomicUsize);
|
||||
malloc_size_of_is_0!(std::sync::atomic::AtomicIsize);
|
||||
malloc_size_of_is_0!(std::sync::atomic::AtomicUsize);
|
||||
|
||||
malloc_size_of_is_0!(Range<u8>, Range<u16>, Range<u32>, Range<u64>, Range<usize>);
|
||||
malloc_size_of_is_0!(Range<i8>, Range<i16>, Range<i32>, Range<i64>, Range<isize>);
|
||||
|
@ -919,9 +958,7 @@ malloc_size_of_is_0!(webrender_api::TransformStyle);
|
|||
#[cfg(feature = "servo")]
|
||||
impl MallocSizeOf for xml5ever::QualName {
|
||||
fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
|
||||
self.prefix.size_of(ops) +
|
||||
self.ns.size_of(ops) +
|
||||
self.local.size_of(ops)
|
||||
self.prefix.size_of(ops) + self.ns.size_of(ops) + self.local.size_of(ops)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -946,9 +983,7 @@ impl MallocSizeOf for hyper::header::ContentType {
|
|||
#[cfg(feature = "servo")]
|
||||
impl MallocSizeOf for hyper::mime::Mime {
|
||||
fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
|
||||
self.0.size_of(ops) +
|
||||
self.1.size_of(ops) +
|
||||
self.2.size_of(ops)
|
||||
self.0.size_of(ops) + self.1.size_of(ops) + self.2.size_of(ops)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -975,10 +1010,12 @@ malloc_size_of_is_0!(time::Duration);
|
|||
malloc_size_of_is_0!(time::Tm);
|
||||
|
||||
#[cfg(feature = "servo")]
|
||||
impl<T> MallocSizeOf for hyper_serde::Serde<T> where
|
||||
for <'de> hyper_serde::De<T>: serde::Deserialize<'de>,
|
||||
for <'a> hyper_serde::Ser<'a, T>: serde::Serialize,
|
||||
T: MallocSizeOf {
|
||||
impl<T> MallocSizeOf for hyper_serde::Serde<T>
|
||||
where
|
||||
for<'de> hyper_serde::De<T>: serde::Deserialize<'de>,
|
||||
for<'a> hyper_serde::Ser<'a, T>: serde::Serialize,
|
||||
T: MallocSizeOf,
|
||||
{
|
||||
fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
|
||||
self.0.size_of(ops)
|
||||
}
|
||||
|
@ -1005,7 +1042,7 @@ impl MallocSizeOf for hyper::status::StatusCode {
|
|||
/// Measurable that defers to inner value and used to verify MallocSizeOf implementation in a
|
||||
/// struct.
|
||||
#[derive(Clone)]
|
||||
pub struct Measurable<T: MallocSizeOf> (pub T);
|
||||
pub struct Measurable<T: MallocSizeOf>(pub T);
|
||||
|
||||
impl<T: MallocSizeOf> Deref for Measurable<T> {
|
||||
type Target = T;
|
||||
|
|
|
@ -11,25 +11,36 @@
|
|||
//! A crate for deriving the MallocSizeOf trait.
|
||||
|
||||
extern crate quote;
|
||||
#[macro_use] extern crate syn;
|
||||
#[macro_use] extern crate synstructure;
|
||||
#[macro_use]
|
||||
extern crate syn;
|
||||
#[macro_use]
|
||||
extern crate synstructure;
|
||||
|
||||
#[cfg(not(test))]
|
||||
decl_derive!([MallocSizeOf, attributes(ignore_malloc_size_of)] => malloc_size_of_derive);
|
||||
|
||||
fn malloc_size_of_derive(s: synstructure::Structure) -> quote::Tokens {
|
||||
let match_body = s.each(|binding| {
|
||||
let ignore = binding.ast().attrs.iter().any(|attr| match attr.interpret_meta().unwrap() {
|
||||
syn::Meta::Word(ref ident) |
|
||||
syn::Meta::List(syn::MetaList { ref ident, .. }) if ident == "ignore_malloc_size_of" => {
|
||||
panic!("#[ignore_malloc_size_of] should have an explanation, \
|
||||
e.g. #[ignore_malloc_size_of = \"because reasons\"]");
|
||||
}
|
||||
syn::Meta::NameValue(syn::MetaNameValue { ref ident, .. }) if ident == "ignore_malloc_size_of" => {
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
});
|
||||
let ignore = binding
|
||||
.ast()
|
||||
.attrs
|
||||
.iter()
|
||||
.any(|attr| match attr.interpret_meta().unwrap() {
|
||||
syn::Meta::Word(ref ident) | syn::Meta::List(syn::MetaList { ref ident, .. })
|
||||
if ident == "ignore_malloc_size_of" =>
|
||||
{
|
||||
panic!(
|
||||
"#[ignore_malloc_size_of] should have an explanation, \
|
||||
e.g. #[ignore_malloc_size_of = \"because reasons\"]"
|
||||
);
|
||||
}
|
||||
syn::Meta::NameValue(syn::MetaNameValue { ref ident, .. })
|
||||
if ident == "ignore_malloc_size_of" =>
|
||||
{
|
||||
true
|
||||
},
|
||||
_ => false,
|
||||
});
|
||||
if ignore {
|
||||
None
|
||||
} else if let syn::Type::Array(..) = binding.ast().ty {
|
||||
|
@ -51,7 +62,9 @@ fn malloc_size_of_derive(s: synstructure::Structure) -> quote::Tokens {
|
|||
let mut where_clause = where_clause.unwrap_or(&parse_quote!(where)).clone();
|
||||
for param in ast.generics.type_params() {
|
||||
let ident = param.ident;
|
||||
where_clause.predicates.push(parse_quote!(#ident: ::malloc_size_of::MallocSizeOf));
|
||||
where_clause
|
||||
.predicates
|
||||
.push(parse_quote!(#ident: ::malloc_size_of::MallocSizeOf));
|
||||
}
|
||||
|
||||
let tokens = quote! {
|
||||
|
@ -73,18 +86,23 @@ fn malloc_size_of_derive(s: synstructure::Structure) -> quote::Tokens {
|
|||
|
||||
#[test]
|
||||
fn test_struct() {
|
||||
let source =
|
||||
syn::parse_str("struct Foo<T> { bar: Bar, baz: T, #[ignore_malloc_size_of = \"\"] z: Arc<T> }").unwrap();
|
||||
let source = syn::parse_str(
|
||||
"struct Foo<T> { bar: Bar, baz: T, #[ignore_malloc_size_of = \"\"] z: Arc<T> }",
|
||||
).unwrap();
|
||||
let source = synstructure::Structure::new(&source);
|
||||
|
||||
let expanded = malloc_size_of_derive(source).to_string();
|
||||
let mut no_space = expanded.replace(" ", "");
|
||||
macro_rules! match_count {
|
||||
($e: expr, $count: expr) => {
|
||||
assert_eq!(no_space.matches(&$e.replace(" ", "")).count(), $count,
|
||||
"counting occurences of {:?} in {:?} (whitespace-insensitive)",
|
||||
$e, expanded)
|
||||
}
|
||||
assert_eq!(
|
||||
no_space.matches(&$e.replace(" ", "")).count(),
|
||||
$count,
|
||||
"counting occurences of {:?} in {:?} (whitespace-insensitive)",
|
||||
$e,
|
||||
expanded
|
||||
)
|
||||
};
|
||||
}
|
||||
match_count!("struct", 0);
|
||||
match_count!("ignore_malloc_size_of", 0);
|
||||
|
@ -104,4 +122,3 @@ fn test_no_reason() {
|
|||
let input = syn::parse_str("struct A { #[ignore_malloc_size_of] b: C }").unwrap();
|
||||
malloc_size_of_derive(synstructure::Structure::new(&input));
|
||||
}
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue