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#!/usr/bin/env python3
# Copyright (c) Meta Platforms, Inc. and affiliates.
# SPDX-License-Identifier: LGPL-2.1-or-later
import itertools
import sys
SPELLINGS = [
("DRGN_C_TYPE_VOID", ["void"]),
("DRGN_C_TYPE_CHAR", ["char"]),
("DRGN_C_TYPE_SIGNED_CHAR", ["signed char"]),
("DRGN_C_TYPE_UNSIGNED_CHAR", ["unsigned char"]),
("DRGN_C_TYPE_SHORT", ["short", "signed short", "short int", "signed short int"]),
("DRGN_C_TYPE_UNSIGNED_SHORT", ["unsigned short", "unsigned short int"]),
("DRGN_C_TYPE_INT", ["int", "signed", "signed int"]),
("DRGN_C_TYPE_UNSIGNED_INT", ["unsigned int", "unsigned"]),
("DRGN_C_TYPE_LONG", ["long", "signed long", "long int", "signed long int"]),
("DRGN_C_TYPE_UNSIGNED_LONG", ["unsigned long", "unsigned long int"]),
(
"DRGN_C_TYPE_LONG_LONG",
["long long", "signed long long", "long long int", "signed long long int"],
),
(
"DRGN_C_TYPE_UNSIGNED_LONG_LONG",
["unsigned long long", "unsigned long long int"],
),
("DRGN_C_TYPE_BOOL", ["_Bool"]),
("DRGN_C_TYPE_FLOAT", ["float"]),
("DRGN_C_TYPE_DOUBLE", ["double"]),
("DRGN_C_TYPE_LONG_DOUBLE", ["long double"]),
("DRGN_C_TYPE_SIZE_T", ["size_t"]),
("DRGN_C_TYPE_PTRDIFF_T", ["ptrdiff_t"]),
]
if __name__ == "__main__":
output_file = sys.stdout
output_file.write("LIBDRGN_PUBLIC const char * const * const\n")
output_file.write("drgn_primitive_type_spellings[DRGN_PRIMITIVE_TYPE_NUM] = {\n")
for primitive, spellings in SPELLINGS:
output_file.write(f"\t[{primitive}] = (const char * []){{")
seen = set()
for spelling in spellings:
for permutation in itertools.permutations(spelling.split()):
s = " ".join(permutation)
if s not in seen:
output_file.write(f' "{s}",')
seen.add(s)
output_file.write(" NULL, },\n")
output_file.write("};\n")
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