Use single clang-tidy build rule and clang-tidy.sh
* The old jobs of two build rules are now combined into
a new clang-tidy.sh wrapper.
The clang-tidy build rule now calls clang-tidy.sh.
Bug: 234406661
Test: WITH_TIDY=1 make; make tidy-soong_subset
Change-Id: I91961edf96e9a546f0c3088715a6f2ca8796a21b
diff --git a/cc/builder.go b/cc/builder.go
index 107cd58..9248f97 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -202,36 +202,22 @@
},
"clangBin", "format")
- // Rule for invoking clang-tidy (a clang-based linter).
- clangTidyDep, clangTidyDepRE = pctx.RemoteStaticRules("clangTidyDep",
- blueprint.RuleParams{
- Depfile: "$out",
- Deps: blueprint.DepsGCC,
- Command: "${config.CcWrapper}$ccCmd $cFlags -E -o /dev/null $in " +
- "-MQ $tidyFile -MD -MF $out",
- CommandDeps: []string{"$ccCmd"},
- },
- &remoteexec.REParams{
- Labels: map[string]string{"type": "lint", "tool": "clang-tidy", "lang": "cpp"},
- ExecStrategy: "${config.REClangTidyExecStrategy}",
- Inputs: []string{"$in"},
- Platform: map[string]string{remoteexec.PoolKey: "${config.REClangTidyPool}"},
- }, []string{"ccCmd", "cFlags", "tidyFile"}, []string{})
-
+ // Rules for invoking clang-tidy (a clang-based linter).
clangTidy, clangTidyRE = pctx.RemoteStaticRules("clangTidy",
blueprint.RuleParams{
Depfile: "${out}.d",
Deps: blueprint.DepsGCC,
- Command: "cp ${out}.dep ${out}.d && " +
- "$tidyVars$reTemplate${config.ClangBin}/clang-tidy $tidyFlags $in -- $cFlags && " +
- "touch $out",
- CommandDeps: []string{"${config.ClangBin}/clang-tidy"},
+ Command: "CLANG_CMD=$clangCmd TIDY_FILE=$out " +
+ "$tidyVars$reTemplate${config.ClangBin}/clang-tidy.sh $in $tidyFlags -- $cFlags",
+ CommandDeps: []string{"${config.ClangBin}/clang-tidy.sh", "$ccCmd", "$tidyCmd"},
},
&remoteexec.REParams{
Labels: map[string]string{"type": "lint", "tool": "clang-tidy", "lang": "cpp"},
ExecStrategy: "${config.REClangTidyExecStrategy}",
- Inputs: []string{"$in", "${out}.dep"},
- EnvironmentVariables: []string{"TIDY_TIMEOUT"},
+ Inputs: []string{"$in"},
+ OutputFiles: []string{"${out}", "${out}.d"},
+ ToolchainInputs: []string{"$ccCmd", "$tidyCmd"},
+ EnvironmentVariables: []string{"CLANG_CMD", "TIDY_FILE", "TIDY_TIMEOUT"},
// Although clang-tidy has an option to "fix" source files, that feature is hardly useable
// under parallel compilation and RBE. So we assume no OutputFiles here.
// The clang-tidy fix option is best run locally in single thread.
@@ -239,7 +225,7 @@
// (1) New timestamps trigger clang and clang-tidy compilations again.
// (2) Changing source files caused concurrent clang or clang-tidy jobs to crash.
Platform: map[string]string{remoteexec.PoolKey: "${config.REClangTidyPool}"},
- }, []string{"cFlags", "tidyFlags", "tidyVars"}, []string{})
+ }, []string{"cFlags", "ccCmd", "clangCmd", "tidyCmd", "tidyFlags", "tidyVars"}, []string{})
_ = pctx.SourcePathVariable("yasmCmd", "prebuilts/misc/${config.HostPrebuiltTag}/yasm/yasm")
@@ -636,6 +622,7 @@
continue
}
+ // ccCmd is "clang" or "clang++"
ccDesc := ccCmd
ccCmd = "${config.ClangBin}/" + ccCmd
@@ -681,43 +668,30 @@
// Even with tidy, some src file could be skipped by noTidySrcsMap.
if tidy && !noTidySrcsMap[srcFile.String()] {
tidyFile := android.ObjPathWithExt(ctx, subdir, srcFile, "tidy")
- tidyDepFile := android.ObjPathWithExt(ctx, subdir, srcFile, "tidy.dep")
tidyFiles = append(tidyFiles, tidyFile)
+ tidyCmd := "${config.ClangBin}/clang-tidy"
- ruleDep := clangTidyDep
rule := clangTidy
if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_CLANG_TIDY") {
- ruleDep = clangTidyDepRE
rule = clangTidyRE
}
sharedCFlags := shareFlags("cFlags", moduleFlags)
srcRelPath := srcFile.Rel()
- // Add the .tidy.d rule
- ctx.Build(pctx, android.BuildParams{
- Rule: ruleDep,
- Description: "clang-tidy-dep " + srcRelPath,
- Output: tidyDepFile,
- Input: srcFile,
- Implicits: cFlagsDeps,
- OrderOnly: pathDeps,
- Args: map[string]string{
- "ccCmd": ccCmd,
- "cFlags": sharedCFlags,
- "tidyFile": tidyFile.String(),
- },
- })
- // Add the .tidy rule with order only dependency on the .tidy.d file
+ // Add the .tidy rule
ctx.Build(pctx, android.BuildParams{
Rule: rule,
Description: "clang-tidy " + srcRelPath,
Output: tidyFile,
Input: srcFile,
Implicits: cFlagsDeps,
- OrderOnly: append(android.Paths{}, tidyDepFile),
+ OrderOnly: pathDeps,
Args: map[string]string{
"cFlags": sharedCFlags,
+ "ccCmd": ccCmd,
+ "clangCmd": ccDesc,
+ "tidyCmd": tidyCmd,
"tidyFlags": shareFlags("tidyFlags", config.TidyFlagsForSrcFile(srcFile, flags.tidyFlags)),
"tidyVars": tidyVars, // short and not shared
},