103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cc
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import (
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"strings"
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"github.com/google/blueprint/proptools"
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"android/soong/cc/config"
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)
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type TidyProperties struct {
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// whether to run clang-tidy over C-like sources.
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Tidy *bool
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// Extra flags to pass to clang-tidy
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Tidy_flags []string
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// Extra checks to enable or disable in clang-tidy
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Tidy_checks []string
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}
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type tidyFeature struct {
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Properties TidyProperties
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}
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func (tidy *tidyFeature) props() []interface{} {
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return []interface{}{&tidy.Properties}
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}
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func (tidy *tidyFeature) begin(ctx BaseModuleContext) {
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}
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func (tidy *tidyFeature) deps(ctx DepsContext, deps Deps) Deps {
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return deps
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}
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func (tidy *tidyFeature) flags(ctx ModuleContext, flags Flags) Flags {
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CheckBadTidyFlags(ctx, "tidy_flags", tidy.Properties.Tidy_flags)
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CheckBadTidyChecks(ctx, "tidy_checks", tidy.Properties.Tidy_checks)
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// Check if tidy is explicitly disabled for this module
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if tidy.Properties.Tidy != nil && !*tidy.Properties.Tidy {
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return flags
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}
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// If not explicitly set, check the global tidy flag
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if tidy.Properties.Tidy == nil && !ctx.Config().ClangTidy() {
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return flags
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}
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// Clang-tidy requires clang
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if !flags.Clang {
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return flags
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}
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flags.Tidy = true
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esc := proptools.NinjaAndShellEscape
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flags.TidyFlags = append(flags.TidyFlags, esc(tidy.Properties.Tidy_flags)...)
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if len(flags.TidyFlags) == 0 {
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headerFilter := "-header-filter=\"(" + ctx.ModuleDir() + "|${config.TidyDefaultHeaderDirs})\""
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flags.TidyFlags = append(flags.TidyFlags, headerFilter)
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}
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// If clang-tidy is not enabled globally, add the -quiet flag.
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if !ctx.Config().ClangTidy() {
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flags.TidyFlags = append(flags.TidyFlags, "-quiet")
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flags.TidyFlags = append(flags.TidyFlags, "-extra-arg-before=-fno-caret-diagnostics")
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}
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// We might be using the static analyzer through clang tidy.
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// https://bugs.llvm.org/show_bug.cgi?id=32914
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flags.TidyFlags = append(flags.TidyFlags, "-extra-arg-before=-D__clang_analyzer__")
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tidyChecks := "-checks="
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if checks := ctx.Config().TidyChecks(); len(checks) > 0 {
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tidyChecks += checks
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} else {
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tidyChecks += config.TidyChecksForDir(ctx.ModuleDir())
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}
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if len(tidy.Properties.Tidy_checks) > 0 {
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tidyChecks = tidyChecks + "," + strings.Join(esc(tidy.Properties.Tidy_checks), ",")
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}
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flags.TidyFlags = append(flags.TidyFlags, tidyChecks)
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return flags
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}
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