GDB pretty-printer for CrawlHashTable proper.

(Still need to do CrawlStoreValue, which is the hard part, and
CrawlVector, which should be about the same as this.)

1 files changed, 18 insertions, 0 deletions

diff --git a/crawl-ref/source/crawl-gdb.py b/crawl-ref/source/crawl-gdb.py
index 84f5bfbe60..333aa85226 100644
--- a/crawl-ref/source/crawl-gdb.py
+++ b/crawl-ref/source/crawl-gdb.py
@@ -28,11 +28,29 @@ class FixedVector_printer:
     def to_string(self):
         return self.val['mData']
 
+# Pretty printers for "store.h"
+class CrawlHashTable_printer:
+    def __init__(self, val):
+        self.val = val
+
+    def to_string(self):
+        return ""
+
+    def children(self):
+        # needs libstdc++
+        vis = gdb.default_visualizer(self.val["hash_map"].dereference())
+        if vis:
+            return vis.children()
+
+    def display_hint(self):
+        return "map"
+
 def build_pretty_printer():
     pp = gdb.printing.RegexpCollectionPrettyPrinter("crawl")
     pp.add_printer('coord_def', '^coord_def$', coord_def_printer)
 #   pp.add_printer('actor', '^actor$', actor_printer)
     pp.add_printer('FixedVector', '^FixedVector<.*>$', FixedVector_printer)
+    pp.add_printer('CrawlHashTable', '^CrawlHashTable$', CrawlHashTable_printer)
     return pp
 
 gdb.printing.register_pretty_printer(