/usr/share/pyshared/ffc/formatting.py is in python-ffc 1.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Compiler stage 5: Code formatting
---------------------------------
This module implements the formatting of UFC code from a given
dictionary of generated C++ code for the body of each UFC function.
It relies on templates for UFC code available as part of the module
ufc_utils.
"""
# Copyright (C) 2009 Anders Logg
#
# This file is part of FFC.
#
# FFC is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# FFC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with FFC. If not, see <http://www.gnu.org/licenses/>.
#
# First added: 2009-12-16
# Last changed: 2011-02-21
# Python modules
import os
# UFC code generation templates
from ufc_utils import templates
# FFC modules
from ffc.log import info, error, begin, end, dstr
from ffc.constants import FFC_VERSION, UFC_VERSION
from ffc.cpp import format
def format_code(code, wrapper_code, prefix, parameters):
"Format given code in UFC format."
begin("Compiler stage 5: Formatting code")
# Extract code
code_elements, code_dofmaps, code_integrals, code_forms = code
# Header and implementation code
code_h = ""
code_c = ""
# Generate code for comment on top of file
code_h += _generate_comment(parameters) + "\n"
code_c += _generate_comment(parameters) + "\n"
# Generate code for header
code_h += format["header_h"] % {"prefix_upper": prefix.upper()}
code_h += _generate_additional_includes(code_integrals) + "\n"
code_c += format["header_c"] % {"prefix": prefix}
# Generate code for elements
if code_elements:
for code_element in code_elements:
code_h += _format_h("finite_element", code_element, parameters)
code_c += _format_c("finite_element", code_element, parameters)
# Generate code for dofmaps
if code_dofmaps:
for code_dofmap in code_dofmaps:
code_h += _format_h("dofmap", code_dofmap, parameters)
code_c += _format_c("dofmap", code_dofmap, parameters)
# Generate code for integrals
if code_integrals:
for code_integral in code_integrals:
if "cell_integral" in code_integral["classname"]:
code_h += _format_h("cell_integral", code_integral, parameters)
code_c += _format_c("cell_integral", code_integral, parameters)
elif "exterior_facet_integral" in code_integral["classname"]:
code_h += _format_h("exterior_facet_integral", code_integral, parameters)
code_c += _format_c("exterior_facet_integral", code_integral, parameters)
elif "interior_facet_integral" in code_integral["classname"]:
code_h += _format_h("interior_facet_integral", code_integral, parameters)
code_c += _format_c("interior_facet_integral", code_integral, parameters)
# Generate code for form
if code_forms:
for code_form in code_forms:
code_h += _format_h("form", code_form, parameters)
code_c += _format_c("form", code_form, parameters)
# Add wrappers
if wrapper_code:
code_h += wrapper_code
# Generate code for footer
code_h += format["footer"]
# Write file(s)
if parameters["split"]:
_write_file(code_h, prefix, ".h", parameters)
_write_file(code_c, prefix, ".cpp", parameters)
else:
_write_file(code_h, prefix, ".h", parameters)
end()
def _format_h(class_type, code, parameters):
"Format header code for given class type."
if parameters["split"]:
return templates[class_type + "_header"] % code + "\n"
else:
return templates[class_type + "_combined"] % code + "\n"
def _format_c(class_type, code, parameters):
"Format implementation code for given class type."
if parameters["split"]:
return templates[class_type + "_implementation"] % code + "\n"
else:
return ""
def _write_file(output, prefix, postfix, parameters):
"Write generated code to file."
prefix = prefix.split(os.path.join(' ',' ').split()[0])[-1]
full_prefix = os.path.join(parameters["output_dir"], prefix)
filename = "%s%s" % (full_prefix, postfix)
hfile = open(filename, "w")
hfile.write(output)
hfile.close()
info("Output written to " + filename + ".")
def _generate_comment(parameters):
"Generate code for comment on top of file."
# Generate top level comment
args = {"ffc_version": FFC_VERSION, "ufc_version": UFC_VERSION}
if parameters["format"] == "ufc":
comment = format["ufc comment"] % args
elif parameters["format"] == "dolfin":
comment = format["dolfin comment"] % args
else:
error("Unable to format code, unknown format \"%s\".", parameters["format"])
# Add parameter information
comment += format["comment"]("") + "\n"
comment += format["comment"]("This code was generated with the following parameters:") + "\n"
comment += format["comment"]("")
comment += "\n".join([""] + [format["comment"](" " + l) for l in dstr(parameters).split("\n")][:-1])
comment += "\n"
return comment
def _generate_additional_includes(codes):
s = set()
for code in codes:
if code.has_key("additional_includes_set"):
s.update(code["additional_includes_set"])
if s:
return "\n".join(list(s)) + "\n"
return ""
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