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
|
/*
This file is part of the clazy static checker.
Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Sérgio Martins <sergio.martins@kdab.com>
Copyright (C) 2015 Sergio Martins <smartins@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "qdatetime-utc.h"
#include "Utils.h"
#include "FixItUtils.h"
#include "SourceCompatibilityHelpers.h"
#include <clang/AST/Decl.h>
#include <clang/AST/DeclCXX.h>
#include <clang/AST/Expr.h>
#include <clang/AST/ExprCXX.h>
#include <clang/AST/Stmt.h>
#include <clang/Basic/Diagnostic.h>
#include <clang/Basic/LLVM.h>
#include <llvm/Support/Casting.h>
#include <vector>
class ClazyContext;
using namespace clang;
using namespace std;
QDateTimeUtc::QDateTimeUtc(const std::string &name, ClazyContext *context)
: CheckBase(name, context)
{
}
void QDateTimeUtc::VisitStmt(clang::Stmt *stmt)
{
CXXMemberCallExpr *secondCall = dyn_cast<CXXMemberCallExpr>(stmt);
if (!secondCall || !secondCall->getMethodDecl())
return;
CXXMethodDecl *secondMethod = secondCall->getMethodDecl();
const string secondMethodName = secondMethod->getQualifiedNameAsString();
const bool isTimeT = secondMethodName == "QDateTime::toTime_t";
if (!isTimeT && secondMethodName != "QDateTime::toUTC")
return;
vector<CallExpr*> chainedCalls = Utils::callListForChain(secondCall);
if (chainedCalls.size() < 2)
return;
CallExpr *firstCall = chainedCalls[chainedCalls.size() - 1];
FunctionDecl *firstFunc = firstCall->getDirectCallee();
if (!firstFunc)
return;
CXXMethodDecl *firstMethod = dyn_cast<CXXMethodDecl>(firstFunc);
if (!firstMethod || firstMethod->getQualifiedNameAsString() != "QDateTime::currentDateTime")
return;
std::string replacement = "::currentDateTimeUtc()";
if (isTimeT) {
replacement += ".toTime_t()";
}
std::vector<FixItHint> fixits;
if (isFixitEnabled()) {
const bool success = clazy::transformTwoCallsIntoOneV2(&m_astContext, secondCall, replacement, fixits);
if (!success) {
queueManualFixitWarning(getLocStart(secondCall));
}
}
emitWarning(getLocStart(stmt), "Use QDateTime" + replacement + " instead", fixits);
}
|