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
|
// Test library configuration for emscripten.cfg
//
// Usage:
// $ cppcheck --check-library --library=emscripten --enable=style,information --inconclusive --error-exitcode=1 --inline-suppr test/cfg/emscripten.cpp
// =>
// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
//
#include <stdio.h>
#include <emscripten.h>
void em_asm_test()
{
// inline some JavaScript
EM_ASM(alert('hello'); );
MAIN_THREAD_EM_ASM(alert('hello main thread'); );
// pass parameters to JavaScript
EM_ASM(
{
console.log('I received: ' + [$0, $1]);
},
100, 35.5);
// pass a string to JavaScript
EM_ASM({console.log('hello ' + UTF8ToString($0))}, "world!");
}
void em_asm_int_test()
{
// cppcheck-suppress unreadVariable
const int x = EM_ASM_INT({
return $0 + 42;
}, 100);
// cppcheck-suppress unreadVariable
const int y = MAIN_THREAD_EM_ASM_INT({return 2;});
}
void em_asm_double_test()
{
// cppcheck-suppress unreadVariable
const double x = EM_ASM_DOUBLE({
return $0 + 1.0;
}, 2.0);
// cppcheck-suppress unreadVariable
const double y = MAIN_THREAD_EM_ASM_DOUBLE({return 1.0;});
}
void em_asm_ptr_test()
{
void* ptr = EM_ASM_PTR({
return stringToNewUTF8("Hello");
});
printf("%s", static_cast<const char*>(ptr));
free(ptr);
}
void em_asm_ptr_memleak_test()
{
const char *str = static_cast<char*>(EM_ASM_PTR({
return stringToNewUTF8("Hello");
}));
// cppcheck-suppress nullPointerOutOfMemory
printf("%s", str);
// cppcheck-suppress memleak
}
void main_thread_em_asm_ptr_test()
{
// cppcheck-suppress leakReturnValNotUsed
MAIN_THREAD_EM_ASM_PTR(
return stringToNewUTF8("Hello");
);
}
EM_JS(void, two_alerts, (), {
alert('hai');
alert('bai');
});
EM_JS(void, take_args, (int x, float y), {
console.log('I received: ' + [x, y]);
});
void em_js_test()
{
two_alerts();
take_args(100, 35.5);
}
|
