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57731ebc09
Update error messages to mention the invalid character. Improve the diagnostic of floating point exponents. Add tests for error messages when parsing floating point exponents. Update existing tests for new error messages.
75 lines
3.5 KiB
Swift
75 lines
3.5 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// Per rdar://problem/32316666 , it is a common mistake for beginners
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// to start a function name with a number, so it's worth
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// special-casing the diagnostic to make it clearer.
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func 1() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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func 2.0() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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func 3func() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'f' is not a valid digit in integer literal}}
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protocol 4 {
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// expected-error@-1 {{protocol name can only start with a letter or underscore, not a number}}
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associatedtype 5
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// expected-error@-1 {{associatedtype name can only start with a letter or underscore, not a number}}
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}
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protocol 6.0 {
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// expected-error@-1 {{protocol name can only start with a letter or underscore, not a number}}
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associatedtype 7.0
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// expected-error@-1 {{associatedtype name can only start with a letter or underscore, not a number}}
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}
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protocol 8protocol {
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// expected-error@-1 {{protocol name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'p' is not a valid digit in integer literal}}
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associatedtype 9associatedtype
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// expected-error@-1 {{associatedtype name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'a' is not a valid digit in integer literal}}
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}
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typealias 10 = Int
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// expected-error@-1 {{typealias name can only start with a letter or underscore, not a number}}
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typealias 11.0 = Int
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// expected-error@-1 {{typealias name can only start with a letter or underscore, not a number}}
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typealias 12typealias = Int
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// expected-error@-1 {{typealias name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'t' is not a valid digit in integer literal}}
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struct 13 {}
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// expected-error@-1 {{struct name can only start with a letter or underscore, not a number}}
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struct 14.0 {}
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// expected-error@-1 {{struct name can only start with a letter or underscore, not a number}}
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struct 15struct {}
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// expected-error@-1 {{struct name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'s' is not a valid digit in integer literal}}
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enum 16 {}
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// expected-error@-1 {{enum name can only start with a letter or underscore, not a number}}
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enum 17.0 {}
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// expected-error@-1 {{enum name can only start with a letter or underscore, not a number}}
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enum 18enum {}
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// expected-error@-1 {{enum name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'n' is not a valid digit in floating point exponent}}
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class 19 {
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// expected-error@-1 {{class name can only start with a letter or underscore, not a number}}
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func 20() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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}
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class 21.0 {
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// expected-error@-1 {{class name can only start with a letter or underscore, not a number}}
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func 22.0() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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}
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class 23class {
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// expected-error@-1 {{class name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'c' is not a valid digit in integer literal}}
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func 24method() {}
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// expected-error@-1 {{function name can only start with a letter or underscore, not a number}}
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// expected-error@-2 {{'m' is not a valid digit in integer literal}}
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}
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