From 6c10eac70123104a2b48eaf58075374e155ed12d Mon Sep 17 00:00:00 2001
From: Francois-Rene Rideau <tunes@google.com>
Date: Thu, 17 Sep 2015 19:17:20 +0000
Subject: Cleanup Skylark types some more

Clarify the criterion for being a valid Skylark value;
stop claiming immutability is "the" criterion when Skylark now has mutable values;
stop relying on a reflection with a magic list (this also fixes the SkylarkShell build).
Clarify the criterion for determining immutable types when making a SkylarkNestedSet.
Clarify and use the criterion for being a valid Skylark dict key.

--
MOS_MIGRATED_REVID=103313934
---
 .../google/devtools/build/lib/syntax/Printer.java  | 36 +++++-----------------
 1 file changed, 7 insertions(+), 29 deletions(-)

(limited to 'src/main/java/com/google/devtools/build/lib/syntax/Printer.java')

diff --git a/src/main/java/com/google/devtools/build/lib/syntax/Printer.java b/src/main/java/com/google/devtools/build/lib/syntax/Printer.java
index 2586306bf0..bc00795625 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/Printer.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/Printer.java
@@ -15,7 +15,6 @@ package com.google.devtools.build.lib.syntax;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
-import com.google.devtools.build.lib.collect.nestedset.Order;
 import com.google.devtools.build.lib.vfs.PathFragment;
 
 import java.io.IOException;
@@ -108,15 +107,15 @@ public final class Printer {
     if (o == null) {
       throw new NullPointerException(); // Java null is not a build language value.
 
+    } else if (o instanceof SkylarkValue) {
+      ((SkylarkValue) o).write(buffer, quotationMark);
+
     } else if (o instanceof String) {
       writeString(buffer, (String) o, quotationMark);
 
     } else if (o instanceof Integer || o instanceof Double) {
       append(buffer, o.toString());
 
-    } else if (o == Runtime.NONE) {
-      append(buffer, "None");
-
     } else if (o == Boolean.TRUE) {
       append(buffer, "True");
 
@@ -125,11 +124,7 @@ public final class Printer {
 
     } else if (o instanceof List<?>) {
       List<?> seq = (List<?>) o;
-      printList(buffer, seq, EvalUtils.isImmutable(seq), quotationMark);
-
-    } else if (o instanceof SkylarkList) {
-      SkylarkList list = (SkylarkList) o;
-      printList(buffer, list.toList(), list.isTuple(), quotationMark);
+      printList(buffer, seq, EvalUtils.isTuple(seq), quotationMark);
 
     } else if (o instanceof Map<?, ?>) {
       Map<?, ?> dict = (Map<?, ?>) o;
@@ -141,28 +136,11 @@ public final class Printer {
       append(buffer, ": ");
       write(buffer, entry.getValue(), quotationMark);
 
-    } else if (o instanceof SkylarkNestedSet) {
-      SkylarkNestedSet set = (SkylarkNestedSet) o;
-      append(buffer, "set(");
-      printList(buffer, set, "[", ", ", "]", null, quotationMark);
-      Order order = set.getOrder();
-      if (order != Order.STABLE_ORDER) {
-        append(buffer, ", order = \"" + order.getName() + "\"");
-      }
-      append(buffer, ")");
-
-    } else if (o instanceof BaseFunction) {
-      BaseFunction func = (BaseFunction) o;
-      append(buffer, "<function " + func.getName() + ">");
-
-    } else if (o instanceof Label) {
-      write(buffer, o.toString(), quotationMark);
-
     } else if (o instanceof PathFragment) {
       append(buffer, ((PathFragment) o).getPathString());
 
-    } else if (o instanceof SkylarkValue) {
-      ((SkylarkValue) o).write(buffer, quotationMark);
+    } else if (o instanceof Class<?>) {
+      append(buffer, EvalUtils.getDataTypeNameFromClass((Class<?>) o));
 
     } else {
       append(buffer, o.toString());
@@ -271,7 +249,7 @@ public final class Printer {
    * @param quotationMark The quotation mark to be used (' or ")
    * @return the Appendable, in fluent style.
    */
-  private static Appendable printList(
+  public static Appendable printList(
       Appendable buffer,
       Iterable<?> list,
       String before,
-- 
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