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# Copyright 2013, Big Switch Networks, Inc.
#
# LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
# the following special exception:
#
# LOXI Exception
#
# As a special exception to the terms of the EPL, you may distribute libraries
# generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
# that copyright and licensing notices generated by LoxiGen are not altered or removed
# from the LoxiGen Libraries and the notice provided below is (i) included in
# the LoxiGen Libraries, if distributed in source code form and (ii) included in any
# documentation for the LoxiGen Libraries, if distributed in binary form.
#
# Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
#
# You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
# a copy of the EPL at:
#
# http://www.eclipse.org/legal/epl-v10.html
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# EPL for the specific language governing permissions and limitations
# under the EPL.
"""
@brief C language specific LOXI generating configuration
This language specific file defines a dictionary 'targets' that
defines the generated files and the functions used to generate them.
"""
import os
import c_gen.of_g_legacy as of_g
import c_gen.build_of_g as build_of_g
import c_gen.c_code_gen as c_code_gen
import c_gen.c_test_gen as c_test_gen
import c_gen.c_dump_gen as c_dump_gen
import c_gen.c_show_gen as c_show_gen
import c_gen.c_validator_gen as c_validator_gen
import c_gen.util
import c_gen.codegen
import loxi_utils.loxi_utils as loxi_utils
import template_utils
def static(out, name):
c_gen.util.render_template(out, os.path.basename(name))
targets = {
# LOCI headers
'loci/inc/loci/loci.h': c_code_gen.top_h_gen,
'loci/inc/loci/loci_idents.h': c_code_gen.identifiers_gen,
'loci/inc/loci/loci_base.h': c_code_gen.base_h_gen,
'loci/inc/loci/of_match.h': c_code_gen.match_h_gen,
'loci/inc/loci/loci_doc.h': c_code_gen.gen_accessor_doc,
'loci/inc/loci/loci_obj_dump.h': c_dump_gen.gen_obj_dump_h,
'loci/inc/loci/loci_obj_show.h': c_show_gen.gen_obj_show_h,
'loci/inc/loci/loci_validator.h': c_validator_gen.gen_h,
# Static LOCI headers
'loci/inc/loci/bsn_ext.h': static,
'loci/inc/loci/loci_dox.h': static,
'loci/inc/loci/loci_dump.h': static,
'loci/inc/loci/loci_show.h': static,
'loci/inc/loci/of_buffer.h': static,
'loci/inc/loci/of_doc.h': static,
'loci/inc/loci/of_message.h': static,
'loci/inc/loci/of_object.h': static,
'loci/inc/loci/of_utils.h': static,
'loci/inc/loci/of_wire_buf.h': static,
# LOCI code
'loci/src/of_type_data.c': c_code_gen.type_data_c_gen,
'loci/src/of_match.c': c_code_gen.match_c_gen,
'loci/src/loci_obj_dump.c': c_dump_gen.gen_obj_dump_c,
'loci/src/loci_obj_show.c': c_show_gen.gen_obj_show_c,
'loci/src/loci_validator.c': c_validator_gen.gen_c,
# Static LOCI code
'loci/src/loci_int.h': static,
'loci/src/loci_log.c': static,
'loci/src/loci_log.h': static,
'loci/src/of_object.c': static,
'loci/src/of_type_maps.c': static,
'loci/src/of_utils.c': static,
'loci/src/of_wire_buf.c': static,
'loci/src/loci_setup_from_add_fns.c': static,
# Static LOCI documentation
'loci/README': static,
'loci/Doxyfile': static,
# locitest code
'locitest/inc/locitest/of_dup.h': c_test_gen.dup_h_gen,
'locitest/inc/locitest/test_common.h': c_test_gen.gen_common_test_header,
'locitest/src/of_dup.c': c_test_gen.dup_c_gen,
'locitest/src/test_common.c': c_test_gen.gen_common_test,
'locitest/src/test_list.c': c_test_gen.gen_list_test,
'locitest/src/test_match.c': c_test_gen.gen_match_test,
'locitest/src/test_msg.c': c_test_gen.gen_msg_test,
'locitest/src/test_scalar_acc.c': c_test_gen.gen_message_scalar_test,
'locitest/src/test_uni_acc.c': c_test_gen.gen_unified_accessor_tests,
'locitest/src/test_data.c': c_test_gen.gen_datafiles_tests,
# Static locitest code
'locitest/inc/locitest/unittest.h': static,
'locitest/src/test_ext.c': static,
'locitest/src/test_list_limits.c': static,
'locitest/src/test_match_utils.c': static,
'locitest/src/test_setup_from_add.c': static,
'locitest/src/test_utils.c': static,
'locitest/src/test_validator.c': static,
'locitest/src/main.c': static,
'locitest/Makefile': static,
}
################################################################
#
# Configuration related
#
################################################################
def config_check(str, dictionary = of_g.code_gen_config):
"""
Return config value if in dictionary; else return False.
@param str The lookup index
@param dictionary The dict to check; use code_gen_config if None
"""
if str in dictionary:
return dictionary[str]
return False
def config_sanity_check():
"""
Check the configuration for basic consistency
@fixme Needs update for generic language support
"""
rv = True
# For now, only "error" supported for get returns
if config_check("copy_semantics") != "read":
debug("Only 'read' is supported for copy_semantics");
rv = False
if config_check("get_returns") != "error":
debug("Only 'error' is supported for get-accessor return types\m");
rv = False
if not config_check("use_fn_ptrs") and not config_check("gen_unified_fns"):
debug("Must have gen_fn_ptrs and/or gen_unified_fns set in config")
rv = False
if config_check("use_obj_id"):
debug("use_obj_id is set but not yet supported (change \
config_sanity_check if it is)")
rv = False
if config_check("gen_unified_macros") and config_check("gen_unified_fns") \
and config_check("gen_unified_macro_lower"):
debug("Conflict: Cannot generate unified functions and lower case \
unified macros")
rv = False
return rv
def generate(install_dir):
build_of_g.initialize_versions()
build_of_g.build_ordered_classes()
build_of_g.populate_type_maps()
build_of_g.analyze_input()
build_of_g.unify_input()
build_of_g.order_and_assign_object_ids()
for (name, fn) in targets.items():
with template_utils.open_output(install_dir, name) as outfile:
fn(outfile, os.path.basename(name))
c_gen.codegen.gen_push_wire_types(install_dir)
c_gen.codegen.generate_classes(install_dir)
c_gen.codegen.generate_header_classes(install_dir)
c_gen.codegen.generate_lists(install_dir)
c_gen.codegen.generate_strings(install_dir)
c_gen.codegen.generate_init_map(install_dir)