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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// RUN: %target-run-stdlib-swift -parse-stdlib %s | %FileCheck %s
// REQUIRES: executable_test
import Swift
// FIXME: https://github.com/apple/swift/issues/57444
// Work around the inability for static-library based Swift runtime builds to
// directly link against Darwin.swiftmodule by using a benign dependency on
// StdlibUnittest.
import StdlibUnittest
runAllTests()
#if canImport(Darwin)
import Darwin
#if _runtime(_ObjC)
import CoreGraphics
#else
#if arch(x86_64) || arch(arm64)
typealias CGFloat = Double
#else
typealias CGFloat = Float
#endif
#endif
#elseif canImport(Glibc)
import Glibc
typealias CGFloat = Double
#elseif os(WASI)
import WASILibc
typealias CGFloat = Double
#elseif canImport(Android)
import Android
typealias CGFloat = Double
#elseif os(Windows)
import CRT
#if arch(x86_64) || arch(arm64)
typealias CGFloat = Double
#else
typealias CGFloat = Float
#endif
#else
#error("Unsupported platform")
#endif
func my_printf(_ format: String, _ arguments: CVarArg...) {
_ = withVaList(arguments) {
vprintf(format, $0)
}
}
func test_varArgs0() {
// CHECK: The answer to life and everything is 42, 42, -42, 3.14
my_printf(
"The answer to life and everything is %ld, %u, %d, %f\n",
42, UInt32(42), Int16(-42), 3.14159279)
}
test_varArgs0()
func test_varArgs1() {
var args = [CVarArg]()
var format = "dig it: "
for i in 0..<12 {
args.append(Int16(-i))
args.append(Float(i))
format += "%d %2g "
}
// CHECK: dig it: 0 0 -1 1 -2 2 -3 3 -4 4 -5 5 -6 6 -7 7 -8 8 -9 9 -10 10 -11 11
_ = withVaList(args) {
vprintf(format + "\n", $0)
}
}
test_varArgs1()
func test_varArgs3() {
var args = [CVarArg]()
let format = "pointers: '%p' '%p' '%p' '%p' '%p'\n"
args.append(OpaquePointer(bitPattern: 0x1234_5670)!)
args.append(OpaquePointer(bitPattern: 0x1234_5671)!)
args.append(UnsafePointer<Int>(bitPattern: 0x1234_5672)!)
args.append(UnsafeMutablePointer<Float>(bitPattern: 0x1234_5673)!)
#if _runtime(_ObjC)
args.append(AutoreleasingUnsafeMutablePointer<AnyObject>(
UnsafeMutablePointer<AnyObject>(bitPattern: 0x1234_5674)!))
#else
//Linux does not support AutoreleasingUnsafeMutablePointer; put placeholder.
args.append(UnsafeMutablePointer<Float>(bitPattern: 0x1234_5674)!)
#endif
// CHECK: {{pointers: '(0x)?0*12345670' '(0x)?0*12345671' '(0x)?0*12345672' '(0x)?0*12345673' '(0x)?0*12345674'}}
_ = withVaList(args) {
vprintf(format, $0)
}
}
test_varArgs3()
func test_varArgs4() {
// Verify alignment of va_list contents.
// On some architectures some types are better-
// aligned than Int and must be packaged with care.
let i8 = Int8(1)
let i16 = Int16(2)
let i32 = Int32(3)
let i64 = 4444444444444444 as Int64
let u8 = UInt8(10)
let u16 = UInt16(20)
let u32 = UInt32(30)
let u64 = 4040404040404040 as UInt64
let f32 = Float(1.1)
let f64 = Double(2.2)
let fCG = CGFloat(3.3)
my_printf("a %g %d %g %d %g %d a\n", f32, i8, f64, i8, fCG, i8)
my_printf("b %d %g %d %g %d %g %d b\n", i8, f32, i8, f64, i8, fCG, i8)
my_printf("c %d %d %d %d %d %lld %d c\n", i8, i16, i8, i32, i8, i64, i8)
my_printf("d %d %d %d %d %d %d %lld %d d\n",i8, i8, i16, i8, i32, i8, i64, i8)
my_printf("e %u %u %u %u %u %llu %u e\n", u8, u16, u8, u32, u8, u64, u8)
my_printf("f %u %u %u %u %u %u %llu %u f\n",u8, u8, u16, u8, u32, u8, u64, u8)
// CHECK: a 1.1 1 2.2 1 3.3 1 a
// CHECK: b 1 1.1 1 2.2 1 3.3 1 b
// CHECK: c 1 2 1 3 1 4444444444444444 1 c
// CHECK: d 1 1 2 1 3 1 4444444444444444 1 d
// CHECK: e 10 20 10 30 10 4040404040404040 10 e
// CHECK: f 10 10 20 10 30 10 4040404040404040 10 f
}
test_varArgs4()
func test_varArgs5() {
var args = [CVarArg]()
// Confirm the absence of a bug (on x86-64) wherein floats were stored in
// the GP register-save area after the SSE register-save area was
// exhausted, rather than spilling into the overflow argument area.
//
// This is not caught by test_varArgs1 above, because it exhausts the
// GP register-save area before the SSE area.
var format = "rdar-32547102: "
for i in 0..<12 {
args.append(Float(i))
format += "%.1f "
}
// CHECK: rdar-32547102: 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0
_ = withVaList(args) {
vprintf(format + "\n", $0)
}
}
test_varArgs5()
func test_varArgs6() {
// Verify alignment of va_list contents when `Float80` is present.
let i8 = Int8(1)
let f32 = Float(1.1)
let f64 = Double(2.2)
#if !os(Windows) && (arch(i386) || arch(x86_64))
let f80 = Float80(4.5)
my_printf("a %g %d %g %d %Lg %d %g a\n", f32, i8, f64, i8, f80, i8, f32)
my_printf("b %d %g %d %g %d %Lg %d %g b\n", i8, f32, i8, f64, i8, f80, i8, f32)
#else // just a dummy to make FileCheck happy, since it ignores `#if`s
let dummy = Double(4.5)
my_printf("a %g %d %g %d %g %d %g a\n", f32, i8, f64, i8, dummy, i8, f32)
my_printf("b %d %g %d %g %d %g %d %g b\n", i8, f32, i8, f64, i8, dummy, i8, f32)
#endif
// CHECK: a 1.1 1 2.2 1 4.5 1 1.1 a
// CHECK: b 1 1.1 1 2.2 1 4.5 1 1.1 b
}
test_varArgs6()
// CHECK: done.
my_printf("done.")
|
