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Previously we would always return true if we encountered a decl modifier keyword, however this could cause us to incorrectly consider SIL's usage of such keywords, e.g 'private', to be the start of a Swift decl. Adjust the logic to check the next token for the start of a Swift decl.
50 lines
2.6 KiB
Swift
50 lines
2.6 KiB
Swift
// RUN: %target-typecheck-verify-swift
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func my_print<T>(_ t: T) {}
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class 你好 {
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class שלום {
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class வணக்கம் {
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class Γειά {
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class func привет() {
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my_print("hello")
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}
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}
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}
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}
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}
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你好.שלום.வணக்கம்.Γειά.привет()
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// Identifiers cannot start with combining chars.
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_ = .́duh() // expected-error {{use of unresolved operator '.́'}} // expected-error{{use of unresolved identifier 'duh'}}
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// Combining characters can be used within identifiers.
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func s̈pin̈al_tap̈() {}
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// Private-use characters aren't valid in Swift source.
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() // expected-error{{invalid character in source file}} {{1-4= }}
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// Placeholders are recognized as identifiers but with error.
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func <#some name#>() {} // expected-error {{editor placeholder in source file}}
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// Keywords as identifiers
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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`}}
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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`}}
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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`}}
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protocol test {
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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`}}
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}
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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=`_`}}
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// SIL keywords are tokenized as normal identifiers in non-SIL mode.
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_ = undef // expected-error {{use of unresolved identifier 'undef'}}
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_ = sil // expected-error {{use of unresolved identifier 'sil'}}
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_ = sil_stage // expected-error {{use of unresolved identifier 'sil_stage'}}
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_ = sil_vtable // expected-error {{use of unresolved identifier 'sil_vtable'}}
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_ = sil_global // expected-error {{use of unresolved identifier 'sil_global'}}
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_ = sil_witness_table // expected-error {{use of unresolved identifier 'sil_witness_table'}}
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_ = sil_default_witness_table // expected-error {{use of unresolved identifier 'sil_default_witness_table'}}
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_ = sil_coverage_map // expected-error {{use of unresolved identifier 'sil_coverage_map'}}
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_ = sil_scope // expected-error {{use of unresolved identifier 'sil_scope'}}
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