-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathMissingBeginEndRule.cpp
More file actions
137 lines (116 loc) · 3.29 KB
/
Copy pathMissingBeginEndRule.cpp
File metadata and controls
137 lines (116 loc) · 3.29 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
131
132
133
134
135
136
137
/**
*
* @file MissingBeginEndRule.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 "provide begin()/end(), include the right header, "
"or iterate over a supported container";
}
} // namespace
class MissingBeginEndRule final : public ITemplateErrorRule
{
public:
bool match(const vix::cli::errors::CompilerError &err) const override
{
const std::string &message = err.message;
if (icontains(message, "'begin' was not declared") ||
icontains(message, "begin was not declared"))
{
return true;
}
if (icontains(message, "'end' was not declared") ||
icontains(message, "end was not declared"))
{
return true;
}
if (icontains(message, "no matching function for call to") &&
(icontains(message, "begin(") || icontains(message, "end(")))
{
return true;
}
if (icontains(message, "invalid range expression"))
return true;
if (icontains(message, "range-based") &&
(icontains(message, "begin") || icontains(message, "end")))
{
return true;
}
return false;
}
bool handle(
const vix::cli::errors::CompilerError &err,
const vix::cli::errors::ErrorContext &ctx) const override
{
std::cerr << RED
<< "error: range-for cannot find begin/end"
<< 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> makeMissingBeginEndRule()
{
return std::make_unique<MissingBeginEndRule>();
}
} // namespace vix::cli::errors::template_rules