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instantiate_templates.py
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instantiate_templates.py
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### This file generates C++ code to instantiate the
### templated functions in all the supported types.
import re
from copy import deepcopy
info_header = """/* Generated through 'instantiate_templates.py', do not edit manually. */
"""
license_info = """
/* Read and write sparse matrices in text format:
* <labels(s)> <column>:<value> <column>:<value> ...
*
* BSD 2-Clause License
* Copyright (c) 2021, David Cortes
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
"""
msvc_export = """
#if defined(_FOR_PYTHON) || defined(_FOR_R) || !defined(_WIN32)
#define EXPORTABLE
#else
#ifdef READSPARSE_COMPILE
#define EXPORTABLE __declspec(dllexport)
#else
#define EXPORTABLE __declspec(dllimport)
#endif
#endif
"""
untyped_reader_multi_label = """
EXPORTABLE bool read_multi_label
(
<stream_t>input_file,
std::vector<int_t> &indptr,
std::vector<int_t> &indices,
std::vector<real_t> &values,
std::vector<int_t> &indptr_lab,
std::vector<int_t> &indices_lab,
std::vector<int_t> &qid,
size_large &nrows,
size_large &ncols,
size_large &nclasses,
const size_t limit_nrows = 0,
const bool ignore_zero_valued = true,
const bool sort_indices = true,
const bool text_is_base1 = true,
const bool assume_no_qid = true,
const bool assume_trailing_ws = true
)
{
return read_multi_label_template(
input_file,
indptr,
indices,
values,
indptr_lab,
indices_lab,
qid,
nrows,
ncols,
nclasses,
limit_nrows,
ignore_zero_valued,
sort_indices,
text_is_base1,
assume_no_qid,
assume_trailing_ws
);
}
"""
untyped_reader_single_label = """
EXPORTABLE bool read_single_label
(
<stream_t>input_file,
std::vector<int_t> &indptr,
std::vector<int_t> &indices,
std::vector<real_t> &values,
std::vector<label_t_> &labels,
std::vector<int_t> &qid,
size_large &nrows,
size_large &ncols,
size_large &nclasses,
const size_t limit_nrows = 0,
const bool ignore_zero_valued = true,
const bool sort_indices = true,
const bool text_is_base1 = true,
const bool assume_no_qid = true,
const bool assume_trailing_ws = true
)
{
return read_single_label_template(
input_file,
indptr,
indices,
values,
labels,
qid,
nrows,
ncols,
nclasses,
limit_nrows,
ignore_zero_valued,
sort_indices,
text_is_base1,
assume_no_qid,
assume_trailing_ws
);
}
"""
untyped_writer_multi_label = """
EXPORTABLE bool write_multi_label
(
<stream_t>output_file,
int_t *indptr,
int_t *indices,
real_t *values,
int_t *indptr_lab,
int_t *indices_lab,
int_t *qid,
const int_t missing_qid,
const bool has_qid,
const size_large nrows,
const size_large ncols,
const size_large nclasses,
const bool ignore_zero_valued = true,
const bool sort_indices = true,
const bool text_is_base1 = true,
const bool add_header = false,
const int decimal_places = 8
)
{
return write_multi_label_template(
output_file,
indptr,
indices,
values,
indptr_lab,
indices_lab,
qid,
missing_qid,
has_qid,
nrows,
ncols,
nclasses,
ignore_zero_valued,
sort_indices,
text_is_base1,
add_header,
decimal_places
);
}
"""
untyped_writer_single_label = """
EXPORTABLE bool write_single_label
(
<stream_t>output_file,
int_t *indptr,
int_t *indices,
real_t *values,
label_t_ *labels,
int_t *qid,
const int_t missing_qid,
const label_t_ missing_label,
const bool has_qid,
const size_large nrows,
const size_large ncols,
const size_large nclasses,
const bool ignore_zero_valued = true,
const bool sort_indices = true,
const bool text_is_base1 = true,
const bool add_header = false,
const int decimal_places = 8
)
{
return write_single_label_template(
output_file,
indptr,
indices,
values,
labels,
qid,
missing_qid,
missing_label,
has_qid,
nrows,
ncols,
nclasses,
ignore_zero_valued,
sort_indices,
text_is_base1,
add_header,
decimal_places
);
}
"""
size_def = """
#ifndef size_large
# include <cstdint>
# include <cstdint>
# if SIZE_MAX >= UINT64_MAX
# define size_large size_t
# else
# define size_large uint64_t
# endif
#endif
"""
with open("src/readsparse_detemplated.hpp", "w") as f_dt:
f_dt.write(info_header)
f_dt.write(license_info)
f_dt.write(size_def)
f_dt.write(msvc_export)
f_dt.write("\n/* reader.cpp */\n")
with open("src/reader.cpp", "w") as f:
### Beginning
f.write(info_header)
f.write(license_info)
f.write(msvc_export)
f.write("\n#include \"reader.hpp\"\n")
### For R
f.write("\n#ifdef _FOR_R\n")
f_dt.write("\n#ifdef _FOR_R\n")
for stream_t in ["FILE *", "std::istream &"]:
for int_t in ["int"]:
for real_t in ["double"]:
func_write = deepcopy(untyped_reader_multi_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
for label_t_ in ["double"]:
func_write = deepcopy(untyped_reader_single_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
func_write = func_write.replace("label_t_", label_t_)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
### For Python
f.write("\n#elif defined(_FOR_PYTHON)\n")
f_dt.write("\n#elif defined(_FOR_PYTHON)\n")
for stream_t in ["FILE *", "std::istream &"]:
for int_t in ["int", "int64_t"]:
for real_t in ["float", "double"]:
func_write = deepcopy(untyped_reader_multi_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
for label_t_ in ["float", "double"]:
func_write = deepcopy(untyped_reader_single_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
func_write = func_write.replace("label_t_", label_t_)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
### For C++
f.write("\n#else\n")
f_dt.write("\n#else\n")
for stream_t in ["FILE *", "std::istream &"]:
for int_t in ["int", "int64_t", "size_t"]:
for real_t in ["float", "double"]:
func_write = deepcopy(untyped_reader_multi_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
for label_t_ in ["int", "int64_t", "size_t", "float", "double"]:
func_write = deepcopy(untyped_reader_single_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
func_write = func_write.replace("label_t_", label_t_)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
f.write("\n#endif /* _FOR_R, _FOR_PYTHON */\n")
f_dt.write("\n#endif /* _FOR_R, _FOR_PYTHON */\n")
f_dt.write("\n/* writer.cpp */\n")
with open("src/writer.cpp", "w") as f:
### Beginning
f.write(info_header)
f.write(license_info)
f.write(msvc_export)
f.write("\n#include \"writer.hpp\"\n")
### For R
f.write("\n#ifdef _FOR_R\n")
f_dt.write("\n#ifdef _FOR_R\n")
for stream_t in ["FILE *", "std::ostream &"]:
for int_t in ["int"]:
for real_t in ["double"]:
func_write = deepcopy(untyped_writer_multi_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
for label_t_ in ["int", "double"]:
func_write = deepcopy(untyped_writer_single_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
func_write = func_write.replace("label_t_", label_t_)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
### For Python and C++
f.write("\n#else\n")
f_dt.write("\n#else\n")
for stream_t in ["FILE *", "std::ostream &"]:
for int_t in ["int", "int64_t", "size_t"]:
for real_t in ["float", "double"]:
func_write = deepcopy(untyped_writer_multi_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
for label_t_ in ["int", "int64_t", "size_t", "float", "double"]:
func_write = deepcopy(untyped_writer_single_label)
func_write = func_write.replace("<stream_t>", stream_t)
func_write = func_write.replace("int_t", int_t)
func_write = func_write.replace("real_t", real_t)
func_write = func_write.replace("label_t_", label_t_)
f.write(func_write)
f_dt.write(func_write.split(")")[0] + ");\n")
f.write("\n#endif /* _FOR_R */\n")
f_dt.write("\n#endif /* _FOR_R */\n")