Add dumping the module graph in JSON format.
Usage: SOONG_DUMP_MODULE_GRPH_JSON=<filename> m nothing
Test: The new test case in bootstrap_test.sh .
Change-Id: I69005a75d47dff915d27187645d0cd1cbb3467ef
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 3abf978..1863ece 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -135,10 +135,25 @@
}
}
+func writeJsonModuleGraph(configuration android.Config, ctx *android.Context, path string, extraNinjaDeps []string) {
+ f, err := os.Create(path)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "%s", err)
+ os.Exit(1)
+ }
+
+ defer f.Close()
+ ctx.Context.PrintJSONGraph(f)
+ writeFakeNinjaFile(extraNinjaDeps, configuration.BuildDir())
+}
+
func doChosenActivity(configuration android.Config, extraNinjaDeps []string) {
bazelConversionRequested := configuration.IsEnvTrue("GENERATE_BAZEL_FILES")
mixedModeBuild := configuration.BazelContext.BazelEnabled()
generateQueryView := bazelQueryViewDir != ""
+ jsonModuleFile := configuration.Getenv("SOONG_DUMP_JSON_MODULE_GRAPH")
+
+ prepareBuildActions := !generateQueryView && jsonModuleFile == ""
if bazelConversionRequested {
// Run the alternate pipeline of bp2build mutators and singleton to convert
@@ -147,7 +162,7 @@
return
}
- ctx := newContext(configuration, !generateQueryView)
+ ctx := newContext(configuration, prepareBuildActions)
if mixedModeBuild {
runMixedModeBuild(configuration, ctx, extraNinjaDeps)
} else {
@@ -159,6 +174,12 @@
runQueryView(configuration, ctx)
return
}
+
+ if jsonModuleFile != "" {
+ writeJsonModuleGraph(configuration, ctx, jsonModuleFile, extraNinjaDeps)
+ return
+ }
+
writeMetrics(configuration)
}
@@ -230,6 +251,29 @@
}
}
+// Workarounds to support running bp2build in a clean AOSP checkout with no
+// prior builds, and exiting early as soon as the BUILD files get generated,
+// therefore not creating build.ninja files that soong_ui and callers of
+// soong_build expects.
+//
+// These files are: build.ninja and build.ninja.d. Since Kati hasn't been
+// ran as well, and `nothing` is defined in a .mk file, there isn't a ninja
+// target called `nothing`, so we manually create it here.
+func writeFakeNinjaFile(extraNinjaDeps []string, buildDir string) {
+ extraNinjaDepsString := strings.Join(extraNinjaDeps, " \\\n ")
+
+ ninjaFileName := "build.ninja"
+ ninjaFile := shared.JoinPath(topDir, buildDir, ninjaFileName)
+ ninjaFileD := shared.JoinPath(topDir, buildDir, ninjaFileName)
+ // A workaround to create the 'nothing' ninja target so `m nothing` works,
+ // since bp2build runs without Kati, and the 'nothing' target is declared in
+ // a Makefile.
+ ioutil.WriteFile(ninjaFile, []byte("build nothing: phony\n phony_output = true\n"), 0666)
+ ioutil.WriteFile(ninjaFileD,
+ []byte(fmt.Sprintf("%s: \\\n %s\n", ninjaFileName, extraNinjaDepsString)),
+ 0666)
+}
+
// Run Soong in the bp2build mode. This creates a standalone context that registers
// an alternate pipeline of mutators and singletons specifically for generating
// Bazel BUILD files instead of Ninja files.
@@ -271,30 +315,5 @@
metrics.Print()
extraNinjaDeps = append(extraNinjaDeps, codegenContext.AdditionalNinjaDeps()...)
- extraNinjaDepsString := strings.Join(extraNinjaDeps, " \\\n ")
-
- // Workarounds to support running bp2build in a clean AOSP checkout with no
- // prior builds, and exiting early as soon as the BUILD files get generated,
- // therefore not creating build.ninja files that soong_ui and callers of
- // soong_build expects.
- //
- // These files are: build.ninja and build.ninja.d. Since Kati hasn't been
- // ran as well, and `nothing` is defined in a .mk file, there isn't a ninja
- // target called `nothing`, so we manually create it here.
- //
- // Even though outFile (build.ninja) and depFile (build.ninja.d) are values
- // passed into bootstrap.Main, they are package-private fields in bootstrap.
- // Short of modifying Blueprint to add an exported getter, inlining them
- // here is the next-best practical option.
- ninjaFileName := "build.ninja"
- ninjaFile := android.PathForOutput(codegenContext, ninjaFileName)
- ninjaFileD := android.PathForOutput(codegenContext, ninjaFileName+".d")
- // A workaround to create the 'nothing' ninja target so `m nothing` works,
- // since bp2build runs without Kati, and the 'nothing' target is declared in
- // a Makefile.
- android.WriteFileToOutputDir(ninjaFile, []byte("build nothing: phony\n phony_output = true\n"), 0666)
- android.WriteFileToOutputDir(
- ninjaFileD,
- []byte(fmt.Sprintf("%s: \\\n %s\n", ninjaFileName, extraNinjaDepsString)),
- 0666)
+ writeFakeNinjaFile(extraNinjaDeps, codegenContext.Config().BuildDir())
}