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from _common import sort_by_keywords
# This hard-coded many times in CppParts in various codegens
_DEFAULT_CPP_PARTS = 20
# See TCodegenParams::MethodStream usage in factor codegen
_ADDITIONAL_STREAM_COUNT = 5
def onsplit_codegen(unit, *args):
'''
@usage: SPLIT_CODEGEN(tool prefix opts... [OUT_NUM num] [OUTPUT_INCLUDES output_includes...])
Generator of a certain number of parts of the .cpp file + one header .h file from .in
Supports keywords:
1. OUT_NUM <the number of generated Prefix.N.cpp default 25 (N varies from 0 to 24)>
2. OUTPUT_INCLUDES <path to files that will be included in generalnyj of macro files>
'''
keywords = {"OUT_NUM": 1}
flat_args, spec_args = sort_by_keywords(keywords, args)
num_outputs = _DEFAULT_CPP_PARTS + _ADDITIONAL_STREAM_COUNT
if "OUT_NUM" in spec_args:
num_outputs = int(spec_args["OUT_NUM"][0])
tool = flat_args[0]
prefix = flat_args[1]
cmd = [tool, prefix, 'OUT']
for num in range(num_outputs):
cmd.append('{}.{}.cpp'.format(prefix, num))
cpp_parts = int(num_outputs) - _ADDITIONAL_STREAM_COUNT
cpp_parts_args = ['--cpp-parts', str(cpp_parts)]
if len(flat_args) > 2:
if flat_args[2] != 'OUTPUT_INCLUDES':
cmd.append('OPTS')
cmd += cpp_parts_args + flat_args[2:]
else:
cmd += ['OPTS'] + cpp_parts_args
unit.on_split_codegen_base(cmd)
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