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Introduce a simple pretty printer for sparse matrices (no contents)

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This commit is contained in:
Jeff Trull 2016-12-08 09:45:27 -08:00
parent 5ce5418631
commit ff424927bc
1 changed files with 43 additions and 1 deletions
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44
debug/gdb/printers.py
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@ -128,6 +128,47 @@ 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())
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.val['m_outerSize'], self.val['m_innerSize']) if self.rowMajor else
(self.val['m_innerSize'], self.val['m_outerSize']))
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"
@ -155,7 +196,7 @@ 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
@ -179,6 +220,7 @@ 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):