commit e102a2d4b2fcac05e287e977dc5a57f490fd9525
author Laurent Le Brun <laurentlb@google.com> Mon Jan 02 12:06:18 2017 +0000
committer John Cater <jcater@google.com> Tue Jan 03 15:03:29 2017 +0000
tree 6db5a7c5679c8b6e709b2af89cfafb989e0ea719
parent 224a3ddc8ae195f303117e4407052e6f89ff694f

Add 'did you mean' suggestion when accessing an undefined variable.

--
PiperOrigin-RevId: 143373605
MOS_MIGRATED_REVID=143373605

src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java

diff --git a/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java b/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
index 6aa5a7d..b0e766d 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
@@ -105,6 +105,16 @@
         || (parent != null && topLevel().variables.contains(varname));
   }
 
+  /** Returns the set of all accessible symbols (both local and global) */
+  public Set<String> getAllSymbols() {
+    Set<String> all = new HashSet<>();
+    all.addAll(variables);
+    if (parent != null) {
+      all.addAll(parent.getAllSymbols());
+    }
+    return all;
+  }
+
   private ValidationEnvironment topLevel() {
     return Preconditions.checkNotNull(parent == null ? this : parent);
   }