File: conditional-stack-allocated.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (41 lines) | stat: -rw-r--r-- 1,229 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
// Copyright 2025 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef INCLUDE_CPPGC_INTERNAL_CONDITIONAL_STACK_ALLOCATED_H_
#define INCLUDE_CPPGC_INTERNAL_CONDITIONAL_STACK_ALLOCATED_H_

#include <type_traits>

#include "cppgc/macros.h"       // NOLINT(build/include_directory)
#include "cppgc/type-traits.h"  // NOLINT(build/include_directory)

namespace cppgc {
namespace internal {

// Base class that is marked as stack allocated if T is either marked as stack
// allocated or a traceable type.
template <typename T>
class ConditionalStackAllocatedBase;

template <typename T>
concept RequiresStackAllocated =
    !std::is_void_v<T> &&
    (cppgc::IsStackAllocatedType<T> || cppgc::internal::IsTraceableV<T> ||
     cppgc::IsGarbageCollectedOrMixinTypeV<T>);

template <typename T>
  requires(RequiresStackAllocated<T>)
class ConditionalStackAllocatedBase<T> {
 public:
  CPPGC_STACK_ALLOCATED();
};

template <typename T>
  requires(!RequiresStackAllocated<T>)
class ConditionalStackAllocatedBase<T> {};

}  // namespace internal
}  // namespace cppgc

#endif  // INCLUDE_CPPGC_INTERNAL_CONDITIONAL_STACK_ALLOCATED_H_