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Add support for Eigen::Block types to GDB pretty printer.

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Submitted by Allan Leal, see #1539 (https://gitlab.com/libeigen/eigen/issues/1539).
This commit is contained in:
Kolja Brix 2021-06-28 12:02:15 +02:00
parent 58e086b8c8
commit e5c8f283ae
1 changed files with 19 additions and 0 deletions
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19
debug/gdb/printers.py
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@ -276,9 +276,28 @@ class EigenQuaternionPrinter:
def to_string(self):
return "Eigen::Quaternion<%s> (data ptr: %s)" % (self.innerType, self.data)
def cast_eigen_block_to_matrix(val):
# Get the type of the variable (and convert to a string)
# Example: 'const Eigen::Block<Eigen::Block<Eigen::Matrix<double, -1, -1, 0, -1, -1>, -1, -1, false> const, -1, -1, false>'
type = str(val.type)
# Extract the Eigen::Matrix type from the Block:
# From the previous example: Eigen::Matrix<double, -1, -1, 0, -1, -1>
begin = type.find('Eigen::Matrix<')
end = type.find('>', begin) + 1
# Convert the Eigen::Block to an Eigen::Matrix
return val.cast(gdb.lookup_type(type[begin:end]))
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::Block<.*>$')] =\
lambda val: EigenMatrixPrinter("Matrix", cast_eigen_block_to_matrix(val))
pretty_printers_dict[re.compile('^Eigen::VectorBlock<.*>$')] =\
lambda val: EigenMatrixPrinter("Matrix", cast_eigen_block_to_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)