[llvm] r217567 - utils: Teach lldbDataFormatters how to format ArrayRefs
Justin Bogner
mail at justinbogner.com
Wed Sep 10 18:47:39 PDT 2014
Author: bogner
Date: Wed Sep 10 20:47:38 2014
New Revision: 217567
URL: http://llvm.org/viewvc/llvm-project?rev=217567&view=rev
Log:
utils: Teach lldbDataFormatters how to format ArrayRefs
Modified:
llvm/trunk/utils/lldbDataFormatters.py
Modified: llvm/trunk/utils/lldbDataFormatters.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/lldbDataFormatters.py?rev=217567&r1=217566&r2=217567&view=diff
==============================================================================
--- llvm/trunk/utils/lldbDataFormatters.py (original)
+++ llvm/trunk/utils/lldbDataFormatters.py Wed Sep 10 20:47:38 2014
@@ -12,6 +12,9 @@ def __lldb_init_module(debugger, interna
debugger.HandleCommand('type synthetic add -w llvm '
'-l lldbDataFormatters.SmallVectorSynthProvider '
'-x "^llvm::SmallVector<.+,.+>$"')
+ debugger.HandleCommand('type synthetic add -w llvm '
+ '-l lldbDataFormatters.ArrayRefSynthProvider '
+ '-x "^llvm::ArrayRef<.+>$"')
# Pretty printer for llvm::SmallVector/llvm::SmallVectorImpl
class SmallVectorSynthProvider:
@@ -53,3 +56,33 @@ class SmallVectorSynthProvider:
self.data_type = the_type.GetTemplateArgumentType(0)
self.type_size = self.data_type.GetByteSize()
assert self.type_size != 0
+
+class ArrayRefSynthProvider:
+ """ Provider for llvm::ArrayRef """
+ def __init__(self, valobj, dict):
+ self.valobj = valobj;
+ self.update() # initialize this provider
+
+ def num_children(self):
+ return self.length
+
+ def get_child_index(self, name):
+ try:
+ return int(name.lstrip('[').rstrip(']'))
+ except:
+ return -1;
+
+ def get_child_at_index(self, index):
+ if index < 0 or index >= self.num_children():
+ return None;
+ offset = index * self.type_size
+ return self.data.CreateChildAtOffset('[' + str(index) + ']',
+ offset, self.data_type)
+
+ def update(self):
+ self.data = self.valobj.GetChildMemberWithName('Data')
+ length_obj = self.valobj.GetChildMemberWithName('Length')
+ self.length = length_obj.GetValueAsUnsigned(0)
+ self.data_type = self.data.GetType().GetPointeeType()
+ self.type_size = self.data_type.GetByteSize()
+ assert self.type_size != 0
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