platform_build_soong/cc/tidy.go
Colin Cross 6510f91a1c Replace ModuleContext.AConfig() with Config()
AConfig() now duplicates Config().  Replace the uses of AConfig()
with Config().  Leave AConfig() for now until code in other
projects is cleaned up.

Test: m checkbuild
Change-Id: Ic88be643049d21dba45dbd1a65588ed94bf43bdc
2017-11-30 00:44:18 +00:00

96 lines
2.6 KiB
Go

// 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.Config().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)
}
// We might be using the static analyzer through clang tidy.
// https://bugs.llvm.org/show_bug.cgi?id=32914
flags.TidyFlags = append(flags.TidyFlags, "-extra-arg-before=-D__clang_analyzer__")
tidyChecks := "-checks="
if checks := ctx.Config().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
}