Coverage Report

Created: 2023-11-11 10:31

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/AST/ASTLambda.h
Line
Count
Source (jump to first uncovered line)
1
//===--- ASTLambda.h - Lambda Helper Functions --------------*- C++ -*-===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8
///
9
/// \file
10
/// This file provides some common utility functions for processing
11
/// Lambda related AST Constructs.
12
///
13
//===----------------------------------------------------------------------===//
14
15
#ifndef LLVM_CLANG_AST_ASTLAMBDA_H
16
#define LLVM_CLANG_AST_ASTLAMBDA_H
17
18
#include "clang/AST/DeclCXX.h"
19
#include "clang/AST/DeclTemplate.h"
20
21
namespace clang {
22
20.0k
inline StringRef getLambdaStaticInvokerName() {
23
20.0k
  return "__invoke";
24
20.0k
}
25
// This function returns true if M is a specialization, a template,
26
// or a non-generic lambda call operator.
27
24.0M
inline bool isLambdaCallOperator(const CXXMethodDecl *MD) {
28
24.0M
  const CXXRecordDecl *LambdaClass = MD->getParent();
29
24.0M
  if (!LambdaClass || !LambdaClass->isLambda()) 
return false23.7M
;
30
237k
  return MD->getOverloadedOperator() == OO_Call;
31
24.0M
}
32
33
212M
inline bool isLambdaCallOperator(const DeclContext *DC) {
34
212M
  if (!DC || 
!isa<CXXMethodDecl>(DC)201M
)
return false189M
;
35
23.4M
  return isLambdaCallOperator(cast<CXXMethodDecl>(DC));
36
212M
}
37
38
102
inline bool isLambdaCallWithExplicitObjectParameter(const DeclContext *DC) {
39
102
  return isLambdaCallOperator(DC) &&
40
102
         
cast<CXXMethodDecl>(DC)->isExplicitObjectMemberFunction()20
;
41
102
}
42
43
16.2k
inline bool isLambdaCallWithImplicitObjectParameter(const DeclContext *DC) {
44
16.2k
  return isLambdaCallOperator(DC) &&
45
         // FIXME: Checking for a null type is not great
46
         // but lambdas with invalid captures or whose closure parameter list
47
         // have not fully been parsed may have a call operator whose type is
48
         // null.
49
16.2k
         
!cast<CXXMethodDecl>(DC)->getType().isNull()43
&&
50
16.2k
         
!cast<CXXMethodDecl>(DC)->isExplicitObjectMemberFunction()30
;
51
16.2k
}
52
53
18.5M
inline bool isGenericLambdaCallOperatorSpecialization(const CXXMethodDecl *MD) {
54
18.5M
  if (!MD) 
return false7.95M
;
55
10.5M
  const CXXRecordDecl *LambdaClass = MD->getParent();
56
10.5M
  if (LambdaClass && LambdaClass->isGenericLambda())
57
20.6k
    return isLambdaCallOperator(MD) &&
58
20.6k
                    
MD->isFunctionTemplateSpecialization()12.5k
;
59
10.5M
  return false;
60
10.5M
}
61
62
842
inline bool isLambdaConversionOperator(CXXConversionDecl *C) {
63
842
  return C ? C->getParent()->isLambda() : 
false0
;
64
842
}
65
66
17.1k
inline bool isLambdaConversionOperator(Decl *D) {
67
17.1k
  if (!D) 
return false0
;
68
17.1k
  if (CXXConversionDecl *Conv = dyn_cast<CXXConversionDecl>(D))
69
801
    return isLambdaConversionOperator(Conv);
70
16.3k
  if (FunctionTemplateDecl *F = dyn_cast<FunctionTemplateDecl>(D))
71
0
    if (CXXConversionDecl *Conv =
72
0
        dyn_cast_or_null<CXXConversionDecl>(F->getTemplatedDecl()))
73
0
      return isLambdaConversionOperator(Conv);
74
16.3k
  return false;
75
16.3k
}
76
77
7.90M
inline bool isGenericLambdaCallOperatorSpecialization(DeclContext *DC) {
78
7.90M
  return isGenericLambdaCallOperatorSpecialization(
79
7.90M
                                          dyn_cast<CXXMethodDecl>(DC));
80
7.90M
}
81
82
inline bool isGenericLambdaCallOperatorOrStaticInvokerSpecialization(
83
170k
    const DeclContext *DC) {
84
170k
  const auto *MD = dyn_cast<CXXMethodDecl>(DC);
85
170k
  if (!MD) 
return false87.1k
;
86
82.9k
  const CXXRecordDecl *LambdaClass = MD->getParent();
87
82.9k
  if (LambdaClass && LambdaClass->isGenericLambda())
88
2.69k
    return (isLambdaCallOperator(MD) || 
MD->isLambdaStaticInvoker()0
) &&
89
2.69k
                    MD->isFunctionTemplateSpecialization();
90
80.2k
  return false;
91
82.9k
}
92
93
// This returns the parent DeclContext ensuring that the correct
94
// parent DeclContext is returned for Lambdas
95
3.22M
inline DeclContext *getLambdaAwareParentOfDeclContext(DeclContext *DC) {
96
3.22M
  if (isLambdaCallOperator(DC))
97
37.8k
    return DC->getParent()->getParent();
98
3.19M
  else
99
3.19M
    return DC->getParent();
100
3.22M
}
101
102
} // clang
103
104
#endif