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
178
179
|
// RUN: %target-swift-frontend -dump-ast %s | %FileCheck --strict-whitespace %s
import Swift
_ = #"""
###################################################################
## This source file is part of the Swift.org open source project ##
###################################################################
"""#
// CHECK: "###################################################################\n## This source file is part of the Swift.org open source project ##\n###################################################################"
_ = #"""
# H1 #
## H2 ##
### H3 ###
"""#
// CHECK: "# H1 #\n## H2 ##\n### H3 ###"
// ===---------- Multiline RawString --------===
_ = ##"""
One
""Alpha""
"""##
// CHECK: "One\n\"\"Alpha\"\""
_ = ##"""
Two
Beta
"""##
// CHECK: " Two\nBeta"
_ = #"""
Three\r
Gamma\
"""#
// CHECK: " Three\\r\n Gamma\\"
_ = ###"""
Four \(foo)
Delta
"""###
// CHECK: " Four \\(foo)\n Delta"
_ = ##"""
print("""
Five\##n\##n\##nEpsilon
""")
"""##
// CHECK: "print(\"\"\"\n Five\n\n\nEpsilon\n \"\"\")"
// ===---------- Single line --------===
_ = #""Zeta""#
// CHECK: "\"Zeta\""
_ = #""Eta"\#n\#n\#n\#""#
// CHECK: "\"Eta\"\n\n\n\""
_ = #""Iota"\n\n\n\""#
// CHECK: "\"Iota\"\\n\\n\\n\\\""
_ = #"a raw string with \" in it"#
// CHECK: "a raw string with \\\" in it"
_ = ##"""
a raw string with """ in it
"""##
// CHECK: "a raw string with \"\"\" in it"
// ===---------- False Multiline Delimiters --------===
/// Source code contains zero-width character in this format: `#"[U+200B]"[U+200B]"#`
/// If this check fails after you implement `diagnoseZeroWidthMatchAndAdvance`,
/// then you may need to tweak how to test for single-line string literals that
/// resemble a multiline delimiter in `advanceIfMultilineDelimiter` so that it
/// passes again.
/// See https://github.com/apple/swift/issues/51192.
_ = #"""#
// CHECK: "\xE2\x80\x8B\"\xE2\x80\x8B"
_ = #""""#
// CHECK: "\"\""
_ = #"""""#
// CHECK: "\"\"\""
_ = #""""""#
// CHECK: "\"\"\"\""
_ = #"""#
// CHECK: "\""
_ = ##""" foo # "# "##
// CHECK: "\"\" foo # \"# "
_ = ###""" "# "## "###
// CHECK: "\"\" \"# \"## "
_ = ###"""##"###
// CHECK: "\"\"##"
_ = "interpolating \(#"""false delimiter"#)"
// CHECK: "interpolating "
// CHECK: "\"\"false delimiter"
_ = """
interpolating \(#"""false delimiters"""#)
"""
// CHECK: "interpolating "
// CHECK: "\"\"false delimiters\"\""
let foo = "Interpolation"
_ = #"\b\b \#(foo)\#(foo) Kappa"#
// CHECK: "\\b\\b "
// CHECK: " Kappa"
_ = """
interpolating \(##"""
delimited \##("string")\#n\##n
"""##)
"""
// CHECK: "interpolating "
// CHECK: "delimited "
// CHECK: "string"
// CHECK: "\\#n\n"
#"unused literal"#
// CHECK: "unused literal"
// ===---------- From proposal --------===
_ = #"This is a string"#
// CHECK: "This is a string"
_ = #####"This is a string"#####
// CHECK: "This is a string"
_ = #"enum\s+.+\{.*case\s+[:upper:]"#
// CHECK: "enum\\s+.+\\{.*case\\s+[:upper:]"
_ = #"Alice: "How long is forever?" White Rabbit: "Sometimes, just one second.""#
// CHECK: "Alice: \"How long is forever?\" White Rabbit: \"Sometimes, just one second.\""
_ = #"\#\#1"#
// CHECK: "\\#1"
_ = ##"\#1"##
// CHECK: "\\#1"
_ = #"c:\windows\system32"#
// CHECK: "c:\\windows\\system32"
_ = #"\d{3) \d{3} \d{4}"#
// CHECK: "\\d{3) \\d{3} \\d{4}"
_ = #"""
a string with
"""
in it
"""#
// CHECK: "a string with\n\"\"\"\nin it"
_ = #"a raw string containing \r\n"#
// CHECK: "a raw string containing \\r\\n"
_ = #"""
[
{
"id": "12345",
"title": "A title that \"contains\" \\\""
}
]
"""#
// CHECK: "[\n {\n \"id\": \"12345\",\n \"title\": \"A title that \\\"contains\\\" \\\\\\\"\"\n }\n]"
_ = #"# #"#
// CHECK: "# #"
|
