summaryrefslogtreecommitdiff
path: root/compilerplugins/clang/check.cxx
blob: 22f58ebd7ac9047fe0a6bbe0dd392ec9ab50c765 (plain)
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <cassert>

#include "check.hxx"
#include "compat.hxx"

namespace loplugin {

TypeCheck TypeCheck::NonConstVolatile() const {
    return
        (!type_.isNull() && !type_.isConstQualified()
         && !type_.isVolatileQualified())
        ? *this : TypeCheck();
        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
        // may look tempting, but could remove sugar we might be interested in
        // checking for
}

TypeCheck TypeCheck::Const() const {
    return
        (!type_.isNull() && type_.isConstQualified()
         && !type_.isVolatileQualified())
        ? *this : TypeCheck();
        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
        // may look tempting, but could remove sugar we might be interested in
        // checking for
}

TypeCheck TypeCheck::Volatile() const {
    return
        (!type_.isNull() && !type_.isConstQualified()
         && type_.isVolatileQualified())
        ? *this : TypeCheck();
        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
        // may look tempting, but could remove sugar we might be interested in
        // checking for
}

TypeCheck TypeCheck::ConstVolatile() const {
    return
        (!type_.isNull() && type_.isConstQualified()
         && type_.isVolatileQualified())
        ? *this : TypeCheck();
        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
        // may look tempting, but could remove sugar we might be interested in
        // checking for
}

TerminalCheck TypeCheck::Void() const {
    return TerminalCheck(
        !type_.isNull()
        && type_->isSpecificBuiltinType(clang::BuiltinType::Void));
}

TerminalCheck TypeCheck::Char() const {
    return TerminalCheck(
        !type_.isNull()
        && (type_->isSpecificBuiltinType(clang::BuiltinType::Char_S)
            || type_->isSpecificBuiltinType(clang::BuiltinType::Char_U)));
}

TerminalCheck TypeCheck::AnyBoolean() const {
    if (type_->isBooleanType()) {
        return TerminalCheck(true);
    }
    auto t = type_->getAs<clang::TypedefType>();
    if (t == nullptr) {
        return TerminalCheck(false);
    }
    auto n =t->getDecl()->getName();
    return TerminalCheck(
        n == "sal_Bool" || n == "BOOL" || n == "Boolean" || n == "FT_Bool"
        || n == "FcBool" || n == "GLboolean" || n == "NPBool" || n == "TW_BOOL"
        || n == "UBool" || n == "boolean" || n == "dbus_bool_t"
        || n == "gboolean" || n == "hb_bool_t" || n == "jboolean");
}

TypeCheck TypeCheck::LvalueReference() const {
    if (!type_.isNull()) {
        auto const t = type_->getAs<clang::LValueReferenceType>();
        if (t != nullptr) {
            return TypeCheck(t->getPointeeType());
        }
    }
    return TypeCheck();
}

TypeCheck TypeCheck::Pointer() const {
    if (!type_.isNull()) {
        auto const t = type_->getAs<clang::PointerType>();
        if (t != nullptr) {
            return TypeCheck(t->getPointeeType());
        }
    }
    return TypeCheck();
}

TypeCheck TypeCheck::Typedef() const {
    if (!type_.isNull()) {
        if (auto const t = type_->getAs<clang::TypedefType>()) {
            return TypeCheck(t->desugar());
        }
    }
    return TypeCheck();
}

TypeCheck TypeCheck::NotSubstTemplateTypeParmType() const {
    return
        (!type_.isNull()
         && type_->getAs<clang::SubstTemplateTypeParmType>() == nullptr)
        ? *this : TypeCheck();
}

ContextCheck DeclCheck::Operator(clang::OverloadedOperatorKind op) const {
    assert(op != clang::OO_None);
    auto f = llvm::dyn_cast_or_null<clang::FunctionDecl>(decl_);
    return ContextCheck(
        f != nullptr && f->getOverloadedOperator() == op
        ? f->getDeclContext() : nullptr);
}

ContextCheck DeclCheck::MemberFunction() const {
    auto m = llvm::dyn_cast_or_null<clang::CXXMethodDecl>(decl_);
    return ContextCheck(m == nullptr ? nullptr : m->getParent());
}

TerminalCheck ContextCheck::GlobalNamespace() const {
    return TerminalCheck(
        context_ != nullptr
        && ((compat::isLookupContext(*context_)
             ? context_ : context_->getLookupParent())
            ->isTranslationUnit()));
}

TerminalCheck ContextCheck::StdNamespace() const {
    return TerminalCheck(
        context_ != nullptr && compat::isStdNamespace(*context_));
}

ContextCheck ContextCheck::AnonymousNamespace() const {
    auto n = llvm::dyn_cast_or_null<clang::NamespaceDecl>(context_);
    return ContextCheck(
        n != nullptr && n->isAnonymousNamespace() ? n->getParent() : nullptr);
}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */