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// RUN: %target-typecheck-verify-swift
func my_print<T>(_ t: T) {}
class 你好 {
class שלום {
class வணக்கம் {
class Γειά {
class func привет() {
my_print("hello")
}
}
}
}
}
你好.שלום.வணக்கம்.Γειά.привет()
// Identifiers cannot start with combining chars.
_ = .́duh() // expected-error {{cannot find operator '.́' in scope}} // expected-error{{cannot find 'duh' in scope}}
// Combining characters can be used within identifiers.
func s̈pin̈al_tap̈() {}
// Private-use characters aren't valid in Swift source.
() // expected-error{{invalid character in source file}} {{1-4= }}
// Placeholders are recognized as identifiers but with error.
func <#some name#>() {} // expected-error {{editor placeholder in source file}}
// Keywords as identifiers
class switch {} // expected-error {{keyword 'switch' cannot be used as an identifier here}} expected-note {{if this name is unavoidable, use backticks to escape it}} {{7-13=`switch`}}
struct Self {} // expected-error {{keyword 'Self' cannot be used as an identifier here}} expected-note {{if this name is unavoidable, use backticks to escape it}} {{8-12=`Self`}}
protocol enum {} // expected-error {{keyword 'enum' cannot be used as an identifier here}} expected-note {{if this name is unavoidable, use backticks to escape it}} {{10-14=`enum`}}
protocol test {
associatedtype public // expected-error {{keyword 'public' cannot be used as an identifier here}} expected-note {{if this name is unavoidable, use backticks to escape it}} {{18-24=`public`}}
}
func _(_ x: Int) {} // expected-error {{keyword '_' cannot be used as an identifier here}} // expected-note {{if this name is unavoidable, use backticks to escape it}} {{6-7=`_`}}
// SIL keywords are tokenized as normal identifiers in non-SIL mode.
_ = undef // expected-error {{cannot find 'undef' in scope}}
_ = sil // expected-error {{cannot find 'sil' in scope}}
_ = sil_stage // expected-error {{cannot find 'sil_stage' in scope}}
_ = sil_vtable // expected-error {{cannot find 'sil_vtable' in scope}}
_ = sil_global // expected-error {{cannot find 'sil_global' in scope}}
_ = sil_witness_table // expected-error {{cannot find 'sil_witness_table' in scope}}
_ = sil_default_witness_table // expected-error {{cannot find 'sil_default_witness_table' in scope}}
_ = sil_coverage_map // expected-error {{cannot find 'sil_coverage_map' in scope}}
_ = sil_scope // expected-error {{cannot find 'sil_scope' in scope}}
// https://github.com/apple/swift/issues/57542
// Make sure we do not parse the '_' on the newline as being part of the 'variable' identifier on the line before.
@propertyWrapper
struct Wrapper {
var wrappedValue = 0
}
func localScope() {
@Wrapper var variable
_ = 0
}
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