-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathInvalidInitializerListRule.cpp
More file actions
130 lines (110 loc) · 3.31 KB
/
Copy pathInvalidInitializerListRule.cpp
File metadata and controls
130 lines (110 loc) · 3.31 KB
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
/**
*
* @file InvalidInitializerListRule.cpp
* @author Gaspard Kirira
*
* Copyright 2025, Gaspard Kirira. All rights reserved.
* https://github.com/vixcpp/vix
* Use of this source code is governed by a MIT license
* that can be found in the License file.
*
* Vix.cpp
*
*/
#include <vix/cli/errors/template/ITemplateErrorRule.hpp>
#include <vix/cli/errors/CodeFrame.hpp>
#include <iostream>
#include <memory>
#include <string>
#include <vix/cli/Style.hpp>
using namespace vix::cli::style;
namespace vix::cli::errors::template_rules
{
namespace
{
bool icontains(const std::string &text, const std::string &needle)
{
if (needle.empty())
return true;
auto lower = [](unsigned char c) -> char
{
if (c >= 'A' && c <= 'Z')
return static_cast<char>(c + ('a' - 'A'));
return static_cast<char>(c);
};
if (text.size() < needle.size())
return false;
for (std::size_t i = 0; i + needle.size() <= text.size(); ++i)
{
bool ok = true;
for (std::size_t j = 0; j < needle.size(); ++j)
{
if (lower(static_cast<unsigned char>(text[i + j])) !=
lower(static_cast<unsigned char>(needle[j])))
{
ok = false;
break;
}
}
if (ok)
return true;
}
return false;
}
std::string choose_hint(const std::string &message)
{
(void)message;
return "check constructor parameters, aggregate fields, "
"and brace initialization order";
}
} // namespace
class InvalidInitializerListRule final : public ITemplateErrorRule
{
public:
bool match(const vix::cli::errors::CompilerError &err) const override
{
const std::string &message = err.message;
if (icontains(message, "no matching constructor for initialization"))
return true;
if (icontains(message, "could not convert brace-enclosed initializer list"))
return true;
if (icontains(message, "excess elements in initializer"))
return true;
// Require additional context to avoid matching unrelated mentions of
// "initializer list" (e.g. std::initializer_list as a parameter type).
if (icontains(message, "initializer list") &&
(icontains(message, "cannot") ||
icontains(message, "invalid") ||
icontains(message, "no matching") ||
icontains(message, "excess elements")))
{
return true;
}
return false;
}
bool handle(
const vix::cli::errors::CompilerError &err,
const vix::cli::errors::ErrorContext &ctx) const override
{
std::cerr << RED
<< "error: invalid initializer list"
<< RESET << "\n";
printCodeFrame(err, ctx);
std::cerr << YELLOW
<< "hint: "
<< RESET
<< choose_hint(err.message)
<< "\n";
std::cerr << GREEN
<< "at: "
<< RESET
<< err.file << ":" << err.line << ":" << err.column
<< "\n";
return true;
}
};
std::unique_ptr<ITemplateErrorRule> makeInvalidInitializerListRule()
{
return std::make_unique<InvalidInitializerListRule>();
}
} // namespace vix::cli::errors::template_rules