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-rw-r--r--debug/gdb/printers.py168
1 files changed, 134 insertions, 34 deletions
diff --git a/debug/gdb/printers.py b/debug/gdb/printers.py
index 0d67a5f99..24961d115 100644
--- a/debug/gdb/printers.py
+++ b/debug/gdb/printers.py
@@ -10,8 +10,7 @@
# Pretty printers for Eigen::Matrix
# This is still pretty basic as the python extension to gdb is still pretty basic.
-# It cannot handle complex eigen types and it doesn't support any of the other eigen types
-# Such as quaternion or some other type.
+# It cannot handle complex eigen types and it doesn't support many of the other eigen types
# This code supports fixed size as well as dynamic size matrices
# To use it:
@@ -29,7 +28,45 @@
import gdb
import re
import itertools
+from bisect import bisect_left
+# Basic row/column iteration code for use with Sparse and Dense matrices
+class _MatrixEntryIterator(object):
+
+ def __init__ (self, rows, cols, rowMajor):
+ self.rows = rows
+ self.cols = cols
+ self.currentRow = 0
+ self.currentCol = 0
+ self.rowMajor = rowMajor
+
+ def __iter__ (self):
+ return self
+
+ def next(self):
+ return self.__next__() # Python 2.x compatibility
+
+ def __next__(self):
+ row = self.currentRow
+ col = self.currentCol
+ if self.rowMajor == 0:
+ if self.currentCol >= self.cols:
+ raise StopIteration
+
+ self.currentRow = self.currentRow + 1
+ if self.currentRow >= self.rows:
+ self.currentRow = 0
+ self.currentCol = self.currentCol + 1
+ else:
+ if self.currentRow >= self.rows:
+ raise StopIteration
+
+ self.currentCol = self.currentCol + 1
+ if self.currentCol >= self.cols:
+ self.currentCol = 0
+ self.currentRow = self.currentRow + 1
+
+ return (row, col)
class EigenMatrixPrinter:
"Print Eigen Matrix or Array of some kind"
@@ -77,42 +114,15 @@ class EigenMatrixPrinter:
self.data = self.data['array']
self.data = self.data.cast(self.innerType.pointer())
- class _iterator:
+ class _iterator(_MatrixEntryIterator):
def __init__ (self, rows, cols, dataPtr, rowMajor):
- self.rows = rows
- self.cols = cols
- self.dataPtr = dataPtr
- self.currentRow = 0
- self.currentCol = 0
- self.rowMajor = rowMajor
-
- def __iter__ (self):
- return self
+ super(EigenMatrixPrinter._iterator, self).__init__(rows, cols, rowMajor)
- def next(self):
- return self.__next__() # Python 2.x compatibility
+ self.dataPtr = dataPtr
def __next__(self):
- row = self.currentRow
- col = self.currentCol
- if self.rowMajor == 0:
- if self.currentCol >= self.cols:
- raise StopIteration
-
- self.currentRow = self.currentRow + 1
- if self.currentRow >= self.rows:
- self.currentRow = 0
- self.currentCol = self.currentCol + 1
- else:
- if self.currentRow >= self.rows:
- raise StopIteration
-
- self.currentCol = self.currentCol + 1
- if self.currentCol >= self.cols:
- self.currentCol = 0
- self.currentRow = self.currentRow + 1
-
+ row, col = super(EigenMatrixPrinter._iterator, self).__next__()
item = self.dataPtr.dereference()
self.dataPtr = self.dataPtr + 1
@@ -129,6 +139,95 @@ class EigenMatrixPrinter:
def to_string(self):
return "Eigen::%s<%s,%d,%d,%s> (data ptr: %s)" % (self.variety, self.innerType, self.rows, self.cols, "RowMajor" if self.rowMajor else "ColMajor", self.data)
+class EigenSparseMatrixPrinter:
+ "Print an Eigen SparseMatrix"
+
+ def __init__(self, val):
+ "Extract all the necessary information"
+
+ type = val.type
+ if type.code == gdb.TYPE_CODE_REF:
+ type = type.target()
+ self.type = type.unqualified().strip_typedefs()
+ tag = self.type.tag
+ regex = re.compile('\<.*\>')
+ m = regex.findall(tag)[0][1:-1]
+ template_params = m.split(',')
+ template_params = [x.replace(" ", "") for x in template_params]
+
+ self.options = 0
+ if len(template_params) > 1:
+ self.options = template_params[1];
+
+ self.rowMajor = (int(self.options) & 0x1)
+
+ self.innerType = self.type.template_argument(0)
+
+ self.val = val
+
+ self.data = self.val['m_data']
+ self.data = self.data.cast(self.innerType.pointer())
+
+ class _iterator(_MatrixEntryIterator):
+ def __init__ (self, rows, cols, val, rowMajor):
+ super(EigenSparseMatrixPrinter._iterator, self).__init__(rows, cols, rowMajor)
+
+ self.val = val
+
+ def __next__(self):
+
+ row, col = super(EigenSparseMatrixPrinter._iterator, self).__next__()
+
+ # repeat calculations from SparseMatrix.h:
+ outer = row if self.rowMajor else col
+ inner = col if self.rowMajor else row
+ start = self.val['m_outerIndex'][outer]
+ end = ((start + self.val['m_innerNonZeros'][outer]) if self.val['m_innerNonZeros'] else
+ self.val['m_outerIndex'][outer+1])
+
+ # and from CompressedStorage.h:
+ data = self.val['m_data']
+ if start >= end:
+ item = 0
+ elif (end > start) and (inner == data['m_indices'][end-1]):
+ item = data['m_values'][end-1]
+ else:
+ # create Python index list from the target range within m_indices
+ indices = [data['m_indices'][x] for x in range(int(start), int(end)-1)]
+ # find the index with binary search
+ idx = int(start) + bisect_left(indices, inner)
+ if ((idx < end) and (data['m_indices'][idx] == inner)):
+ item = data['m_values'][idx]
+ else:
+ item = 0
+
+ return ('[%d,%d]' % (row, col), item)
+
+ def children(self):
+ if self.data:
+ return self._iterator(self.rows(), self.cols(), self.val, self.rowMajor)
+
+ return iter([]) # empty matrix, for now
+
+
+ def rows(self):
+ return self.val['m_outerSize'] if self.rowMajor else self.val['m_innerSize']
+
+ def cols(self):
+ return self.val['m_innerSize'] if self.rowMajor else self.val['m_outerSize']
+
+ def to_string(self):
+
+ if self.data:
+ status = ("not compressed" if self.val['m_innerNonZeros'] else "compressed")
+ else:
+ status = "empty"
+ dimensions = "%d x %d" % (self.rows(), self.cols())
+ layout = "row" if self.rowMajor else "column"
+
+ return "Eigen::SparseMatrix<%s>, %s, %s major, %s" % (
+ self.innerType, dimensions, layout, status )
+
class EigenQuaternionPrinter:
"Print an Eigen Quaternion"
@@ -156,7 +255,7 @@ class EigenQuaternionPrinter:
return self
def next(self):
- return self.__next__() # Python 2.x compatibility
+ return self.__next__() # Python 2.x compatibility
def __next__(self):
element = self.currentElement
@@ -180,6 +279,7 @@ class EigenQuaternionPrinter:
def build_eigen_dictionary ():
pretty_printers_dict[re.compile('^Eigen::Quaternion<.*>$')] = lambda val: EigenQuaternionPrinter(val)
pretty_printers_dict[re.compile('^Eigen::Matrix<.*>$')] = lambda val: EigenMatrixPrinter("Matrix", val)
+ pretty_printers_dict[re.compile('^Eigen::SparseMatrix<.*>$')] = lambda val: EigenSparseMatrixPrinter(val)
pretty_printers_dict[re.compile('^Eigen::Array<.*>$')] = lambda val: EigenMatrixPrinter("Array", val)
def register_eigen_printers(obj):