platform_build_soong/bp2build/metrics.go

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package bp2build
import (
"android/soong/android"
"fmt"
)
// Simple metrics struct to collect information about a Blueprint to BUILD
// conversion process.
type CodegenMetrics struct {
// Total number of Soong/Blueprint modules
TotalModuleCount int
// Counts of generated Bazel targets per Bazel rule class
RuleClassCount map[string]int
}
// Print the codegen metrics to stdout.
func (metrics CodegenMetrics) Print() {
generatedTargetCount := 0
for _, ruleClass := range android.SortedStringKeys(metrics.RuleClassCount) {
count := metrics.RuleClassCount[ruleClass]
fmt.Printf("[bp2build] %s: %d targets\n", ruleClass, count)
generatedTargetCount += count
}
fmt.Printf(
"[bp2build] Generated %d total BUILD targets from %d Android.bp modules.\n",
generatedTargetCount,
metrics.TotalModuleCount)
}