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e4cf74abfa
For the most part, the differences between the diagnostics introduced
by the C++ implementation and the new SwiftIfConfig implementation are
cosmetic, so these are only wording changes.
The one major difference is that we've dropped the warnings about
potential typos in os/arch checks. For example, if one writes:
#if os(bisionos)
// ...
#endif
The C++ implementation will produce a warning "unknown operating system
for build configuration 'os'" with a note asking "did you mean
'visionOS'"? These warnings rely on a static list of known operating
systems and architectures, which is somewhat unfortunate: the whole
point of these checks is that the Swift you're dealing with might not
have support for those operating systems/architectures, so while these
warnings can be helpful in a few cases, they also cause false
positives when porting. Therefore, I chose not to bring them forward.
80 lines
2.2 KiB
Swift
80 lines
2.2 KiB
Swift
// RUN: %target-typecheck-verify-swift
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#if _compiler_version("999.*.999.999.999")
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let w = 1
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#else
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#endif
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#if _compiler_version("600.*.10.10")
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#if os(iOS)
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let z = 1
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#else
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let z = 1
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#endif
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#else
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#if os(iOS)
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#else
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#endif
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#endif
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#if !_compiler_version("777.*.7")
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// This shouldn't emit any diagnostics.
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%#^*&
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#endif
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#if _compiler_version("700a.*.10") // expected-error {{'_compiler_version' version check has invalid version '"700a.*.10"'}}
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#endif
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#if _compiler_version("...") // expected-error {{found empty version component}}
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#endif
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#if _compiler_version("") // expected-error {{found empty version component}}
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let y = 1
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#else
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let thisWillStillParseBecauseConfigIsError = 1
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#endif
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#if _compiler_version("700.0.100") // expected-warning {{the second version component is not used for comparison in legacy compiler versions}}
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#endif
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#if _compiler_version("5.7.100") // expected-warning {{the second version component is not used for comparison in legacy compiler versions}}
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#endif
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#if _compiler_version("700.*.1.1.1.1") // expected-error {{version must not have more than five components}}
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#endif
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#if _compiler_version("9223372.*.1.1.1") // expected-error {{compiler version component '9223372' is not in the allowed range 0...9223371}}
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#endif
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#if _compiler_version("700.*.1000.1.1") // expected-error {{compiler version component '1000' is not in the allowed range 0...999}}
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#endif
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#if _compiler_version("700.*.1.1000.1") // expected-error {{compiler version component '1000' is not in the allowed range 0...999}}
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#endif
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#if _compiler_version("700.*.1.1.1000") // expected-error {{compiler version component '1000' is not in the allowed range 0...999}}
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#endif
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// New style _compiler_version()
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#if _compiler_version(<4.0)
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#endif
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#if !_compiler_version(>=4.3.2.1.0)
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// This shouldn't emit any diagnostics.
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asdf asdf asdf asdf
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#endif
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