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Merge "No clang-tidy by default for external and vendor"

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This commit is contained in:
Chih-hung Hsieh 2022-09-07 01:27:38 +00:00 committed by Gerrit Code Review
commit cedd4117a8
2 changed files with 21 additions and 8 deletions
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23
cc/config/tidy.go
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@ -164,19 +164,21 @@ const tidyExternalVendor = "${config.TidyExternalVendorChecks}"
const tidyDefaultNoAnalyzer = "${config.TidyDefaultGlobalChecks},-clang-analyzer-*"
// This is a map of local path prefixes to the set of default clang-tidy checks
// to be used.
// to be used. This is like android.IsThirdPartyPath, but with more patterns.
// The last matched local_path_prefix should be the most specific to be used.
var DefaultLocalTidyChecks = []PathBasedTidyCheck{
{"external/", tidyExternalVendor},
{"external/google", tidyDefault},
{"external/webrtc", tidyDefault},
{"external/googletest/", tidyExternalVendor},
{"frameworks/compile/mclinker/", tidyExternalVendor},
{"hardware/qcom", tidyExternalVendor},
{"hardware/", tidyExternalVendor},
{"hardware/google/", tidyDefault},
{"hardware/interfaces/", tidyDefault},
{"hardware/ril/", tidyDefault},
{"hardware/libhardware", tidyDefault}, // all 'hardware/libhardware*'
{"vendor/", tidyExternalVendor},
{"vendor/google", tidyDefault},
{"vendor/google", tidyDefault}, // all 'vendor/google*'
{"vendor/google/external/", tidyExternalVendor},
{"vendor/google_arc/libs/org.chromium.arc.mojom", tidyExternalVendor},
{"vendor/google_devices", tidyExternalVendor},
{"vendor/google_devices/", tidyExternalVendor}, // many have vendor code
}
var reversedDefaultLocalTidyChecks = reverseTidyChecks(DefaultLocalTidyChecks)
@ -199,6 +201,13 @@ func TidyChecksForDir(dir string) string {
return tidyDefault
}
func NoClangTidyForDir(dir string) bool {
// This function depends on TidyChecksForDir, which selects tidyExternalVendor
// checks for external/vendor projects. For those projects we disable clang-tidy
// by default, unless some modules enable clang-tidy with tidy:true.
return TidyChecksForDir(dir) == tidyExternalVendor
}
// Returns a globally disabled tidy checks, overriding locally selected checks.
func TidyGlobalNoChecks() string {
if len(globalNoCheckList) > 0 {

6
cc/tidy.go
View file

@ -76,7 +76,11 @@ func (tidy *tidyFeature) flags(ctx ModuleContext, flags Flags) Flags {
if tidy.Properties.Tidy != nil && !*tidy.Properties.Tidy {
return flags
}
// Some projects like external/* and vendor/* have clang-tidy disabled by default.
// They can enable clang-tidy explicitly with the "tidy:true" property.
if config.NoClangTidyForDir(ctx.ModuleDir()) && !proptools.Bool(tidy.Properties.Tidy) {
return flags
}
// If not explicitly disabled, set flags.Tidy to generate .tidy rules.
// Note that libraries and binaries will depend on .tidy files ONLY if
// the global WITH_TIDY or module 'tidy' property is true.