From 2ec1080ac9bafeb193ab72c3504afa17831de6d3 Mon Sep 17 00:00:00 2001
From: Teon Banek <teon.banek@memgraph.io>
Date: Sun, 30 Jul 2017 20:23:09 +0200
Subject: [PATCH] Add pretty printer to gdb for TypedValue
Reviewers: florijan, mislav.bradac, buda
Reviewed By: mislav.bradac
Subscribers: pullbot
Differential Revision: https://phabricator.memgraph.io/D619
---
.gdbinit | 1 +
tools/gdb-plugins/pretty_printers.py | 45 ++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
create mode 100644 tools/gdb-plugins/pretty_printers.py
diff --git a/.gdbinit b/.gdbinit
index ecdae1764..fd30dcdc6 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -1 +1,2 @@
source ./tools/gdb-plugins/operator_tree.py
+source ./tools/gdb-plugins/pretty_printers.py
diff --git a/tools/gdb-plugins/pretty_printers.py b/tools/gdb-plugins/pretty_printers.py
new file mode 100644
index 000000000..7545af029
--- /dev/null
+++ b/tools/gdb-plugins/pretty_printers.py
@@ -0,0 +1,45 @@
+import gdb
+import gdb.printing
+
+
+def build_memgraph_pretty_printers():
+ '''Instantiate and return all memgraph pretty printer classes.'''
+ pp = gdb.printing.RegexpCollectionPrettyPrinter('memgraph')
+ pp.add_printer('query::TypedValue', '^query::TypedValue$', TypedValuePrinter)
+ return pp
+
+
+class TypedValuePrinter(gdb.printing.PrettyPrinter):
+ '''Pretty printer for query::TypedValue'''
+ def __init__(self, val):
+ super(TypedValuePrinter, self).__init__('TypedValue')
+ self.val = val
+
+ def to_string(self):
+ def _to_str(val):
+ return '{%s %s}' % (value_type, self.val[val])
+ value_type = str(self.val['type_'])
+ if value_type == 'query::TypedValue::Type::Null':
+ return '{%s}' % value_type
+ elif value_type == 'query::TypedValue::Type::Bool':
+ return _to_str('bool_v')
+ elif value_type == 'query::TypedValue::Type::Int':
+ return _to_str('int_v')
+ elif value_type == 'query::TypedValue::Type::Double':
+ return _to_str('double_v')
+ elif value_type == 'query::TypedValue::Type::String':
+ return _to_str('string_v')
+ elif value_type == 'query::TypedValue::Type::List':
+ return _to_str('list_v')
+ elif value_type == 'query::TypedValue::Type::Map':
+ return _to_str('map_v')
+ elif value_type == 'query::TypedValue::Type::Vertex':
+ return _to_str('vertex_v')
+ elif value_type == 'query::TypedValue::Type::Edge':
+ return _to_str('edge_v')
+ elif value_type == 'query::TypedValue::Type::Path':
+ return _to_str('path_v')
+ return '{%s}' % value_type
+
+gdb.printing.register_pretty_printer(None, build_memgraph_pretty_printers(),
+ replace=True)