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// Copyright 2016 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cc
import (
"strings"
"github.com/google/blueprint/proptools"
"android/soong/cc/config"
)
type TidyProperties struct {
// whether to run clang-tidy over C-like sources.
Tidy *bool
// Extra flags to pass to clang-tidy
Tidy_flags []string
// Extra checks to enable or disable in clang-tidy
Tidy_checks []string
}
type tidyFeature struct {
Properties TidyProperties
}
func (tidy *tidyFeature) props() []interface{} {
return []interface{}{&tidy.Properties}
}
func (tidy *tidyFeature) begin(ctx BaseModuleContext) {
}
func (tidy *tidyFeature) deps(ctx DepsContext, deps Deps) Deps {
return deps
}
func (tidy *tidyFeature) flags(ctx ModuleContext, flags Flags) Flags {
CheckBadTidyFlags(ctx, "tidy_flags", tidy.Properties.Tidy_flags)
CheckBadTidyChecks(ctx, "tidy_checks", tidy.Properties.Tidy_checks)
// Check if tidy is explicitly disabled for this module
if tidy.Properties.Tidy != nil && !*tidy.Properties.Tidy {
return flags
}
// If not explicitly set, check the global tidy flag
if tidy.Properties.Tidy == nil && !ctx.AConfig().ClangTidy() {
return flags
}
// Clang-tidy requires clang
if !flags.Clang {
return flags
}
flags.Tidy = true
esc := proptools.NinjaAndShellEscape
flags.TidyFlags = append(flags.TidyFlags, esc(tidy.Properties.Tidy_flags)...)
if len(flags.TidyFlags) == 0 {
headerFilter := "-header-filter=\"(" + ctx.ModuleDir() + "|${config.TidyDefaultHeaderDirs})\""
flags.TidyFlags = append(flags.TidyFlags, headerFilter)
}
tidyChecks := "-checks="
if checks := ctx.AConfig().TidyChecks(); len(checks) > 0 {
tidyChecks += checks
} else {
tidyChecks += config.TidyChecksForDir(ctx.ModuleDir())
}
if len(tidy.Properties.Tidy_checks) > 0 {
tidyChecks = tidyChecks + "," + strings.Join(esc(tidy.Properties.Tidy_checks), ",")
}
flags.TidyFlags = append(flags.TidyFlags, tidyChecks)
return flags
}
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