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a8fba10da1
Also '#error', '#warning', and '#sourceLocation'.
Other call-like syntax (call expression, macro expansion, and custom
attribtues) requires '(' on the same line as the callee. For consistency,
built-in attributes and built-in directives should also ignore '(' on
next line.
88 lines
3.6 KiB
Swift
88 lines
3.6 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// RUN: %target-swift-frontend -c -verify %s -o /dev/null
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#warning("this should be a warning") // expected-warning {{this should be a warning}}
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#error("this should be an error") // expected-error {{this should be an error}}
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#if false
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#error("this shouldn't cause any errors")
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#endif
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#if true
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#error("this should also be an error") // expected-error {{this should also be an error}}
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#endif
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#error() // expected-error {{expected string literal in #error directive}}
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#warning() // expected-error {{expected string literal in #warning directive}}
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#error(test 123) // expected-error {{expected string literal in #error directive}}{{8-8="}}{{16-16="}}
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#error test 123 // expected-error {{expected string literal in #error directive}}{{8-8=("}}{{16-16=")}}
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#error "no parentheses error" // expected-error {{#error directive requires parentheses}}{{8-8=(}}{{30-30=)}}
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#warning "no parentheses warning" // expected-error {{#warning directive requires parentheses}}{{10-10=(}}{{34-34=)}}
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#error "left parentheses error") // expected-error {{expected '(' in #error directive}}{{8-8=(}}
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#warning("right parentheses warning" // expected-error {{expected ')' in #warning directive}}{{37-37=)}}
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#error("interp\("olation")") // expected-error {{string interpolation is not allowed in #error directive}}
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#warning("interp\("olation")") // expected-error {{string interpolation is not allowed in #warning directive}}
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#error("extra tokens") var i = 0 // expected-error {{extra tokens following #error directive}}
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#warning("extra tokens") var j = 0 // expected-error {{extra tokens following #warning directive}}
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class RegularClass {
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#error("errors can be nested in classes") // expected-error {{errors can be nested in classes}}
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}
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struct RegularStruct {
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#error("errors can be nested in structs") // expected-error {{errors can be nested in structs}}
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}
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protocol RegularProtocol {
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#warning("warnings can be nested in protocols") // expected-warning {{warnings can be nested in protocols}}
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}
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extension RegularClass {
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#error("errors can be nested in extensions") // expected-error {{errors can be nested in extensions}}
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}
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func foo() {
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#error("errors can be nested in functions") // expected-error {{errors can be nested in functions}}
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switch 34 {
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#warning("warnings can be nested in switch statements") // expected-warning {{warnings can be nested in switch statements}}
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#if true
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#error("errors can be nested in if-configs inside switch statements too") // expected-error {{errors can be nested in if-configs inside switch statements too}}
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case 5:
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#warning("way too many levels of nesting") // expected-warning {{way too many levels of nesting}}
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#elseif false
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#error("this still shouldn't trip")
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#endif
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default: break
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}
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}
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public // expected-error @+1 {{expected declaration}}
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#warning("public warning") // expected-warning {{public warning}}
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func bar() {}
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class C { // expected-note {{in declaration of 'C'}}
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private // expected-error @+1 {{expected declaration}}
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#error("private error") // expected-error {{private error}}
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func bar() {}
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}
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protocol MyProtocol {
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#warning("warnings can show up in protocols too!") // expected-warning {{warnings can show up in protocols too!}}
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}
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#warning("""
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warnings support multi-line string literals
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""") // expected-warning @-2 {{warnings support multi-line string literals}}
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#warning(#"warnings support \(custom string delimiters)"#) // expected-warning {{warnings support \\(custom string delimiters)}}
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#warning // expected-error {{#warning directive requires parentheses}} {{9-9=("<#message#>")}}
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("message") // expected-warning {{string literal is unused}}
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