Use struct formatting

Author: fmeum

src/main/java/com/google/devtools/build/lib/analysis/FileProvider.java

@@ -57,9 +57,9 @@ public boolean isImmutable() {
 
   @Override
   public void debugPrint(Printer printer, StarlarkThread thread) {
-    printer.append("<FileProvider files_to_build=");
-    printer.repr(getFilesToBuildForStarlark());
-    printer.append(">");
+    printer.append("file_provider(files_to_build = ");
+    printer.debugPrint(getFilesToBuildForStarlark(), thread);
+    printer.append(")");
   }
 
   public NestedSet<Artifact> getFilesToBuild() {

src/main/java/com/google/devtools/build/lib/analysis/FilesToRunProvider.java

@@ -110,13 +110,13 @@ public Artifact getRepoMappingManifest() {
 
   @Override
   public void debugPrint(Printer printer, StarlarkThread thread) {
-    printer.append("<FilesToRunProvider executable=");
-    printer.repr(getExecutable());
-    printer.append(", runfiles_manifest=");
-    printer.repr(getRunfilesManifest());
-    printer.append(", repo_mapping_manifest=");
-    printer.repr(getRepoMappingManifest());
-    printer.append(">");
+    printer.append("FilesToRunProvider(executable = ");
+    printer.debugPrint(getExecutable(), thread);
+    printer.append(", repo_mapping_manifest = ");
+    printer.debugPrint(getRepoMappingManifest(), thread);
+    printer.append(", runfiles_manifest = ");
+    printer.debugPrint(getRunfilesManifest(), thread);
+    printer.append(")");
   }
 
   /** A single executable. */

src/main/java/com/google/devtools/build/lib/analysis/Runfiles.java

@@ -1154,14 +1154,14 @@ String describeFingerprint(boolean digestAbsolutePaths) {
 
   @Override
   public void debugPrint(Printer printer, StarlarkThread thread) {
-    printer.append("<runfiles files=");
-    printer.repr(getArtifactsForStarlark());
-    printer.append(", symlinks=");
-    printer.repr(getSymlinksForStarlark());
-    printer.append(", root_symlinks=");
-    printer.repr(getRootSymlinksForStarlark());
-    printer.append(", empty_files=");
-    printer.repr(getEmptyFilenamesForStarlark());
-    printer.append(">");
+    printer.append("runfiles(empty_files = ");
+    printer.debugPrint(getEmptyFilenamesForStarlark(), thread);
+    printer.append(", files = ");
+    printer.debugPrint(getArtifactsForStarlark(), thread);
+    printer.append(", root_symlinks = ");
+    printer.debugPrint(getRootSymlinksForStarlark(), thread);
+    printer.append(", symlinks = ");
+    printer.debugPrint(getSymlinksForStarlark(), thread);
+    printer.append(")");
   }
 }