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chore(build): use SDL3

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phaneron 2025-04-12 04:38:19 -04:00
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vendor/sdl-3.2.10/build-scripts/check_stdlib_usage.py vendored Executable file
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#!/usr/bin/env python3
#
# Simple DirectMedia Layer
# Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
#
# This script detects use of stdlib function in SDL code
import argparse
import os
import pathlib
import re
import sys
SDL_ROOT = pathlib.Path(__file__).resolve().parents[1]
STDLIB_SYMBOLS = [
'abs',
'acos',
'acosf',
'asin',
'asinf',
'asprintf',
'atan',
'atan2',
'atan2f',
'atanf',
'atof',
'atoi',
'bsearch',
'calloc',
'ceil',
'ceilf',
'copysign',
'copysignf',
'cos',
'cosf',
'crc32',
'exp',
'expf',
'fabs',
'fabsf',
'floor',
'floorf',
'fmod',
'fmodf',
'free',
'getenv',
'isalnum',
'isalpha',
'isblank',
'iscntrl',
'isdigit',
'isgraph',
'islower',
'isprint',
'ispunct',
'isspace',
'isupper',
'isxdigit',
'itoa',
'lltoa',
'log10',
'log10f',
'logf',
'lround',
'lroundf',
'ltoa',
'malloc',
'memalign',
'memcmp',
'memcpy',
'memcpy4',
'memmove',
'memset',
'pow',
'powf',
'qsort',
'qsort_r',
'qsort_s',
'realloc',
'round',
'roundf',
'scalbn',
'scalbnf',
'setenv',
'sin',
'sinf',
'snprintf',
'sqrt',
'sqrtf',
'sscanf',
'strcasecmp',
'strchr',
'strcmp',
'strdup',
'strlcat',
'strlcpy',
'strlen',
'strlwr',
'strncasecmp',
'strncmp',
'strrchr',
'strrev',
'strstr',
'strtod',
'strtokr',
'strtol',
'strtoll',
'strtoul',
'strupr',
'tan',
'tanf',
'tolower',
'toupper',
'trunc',
'truncf',
'uitoa',
'ulltoa',
'ultoa',
'utf8strlcpy',
'utf8strlen',
'vasprintf',
'vsnprintf',
'vsscanf',
'wcscasecmp',
'wcscmp',
'wcsdup',
'wcslcat',
'wcslcpy',
'wcslen',
'wcsncasecmp',
'wcsncmp',
'wcsstr',
]
RE_STDLIB_SYMBOL = re.compile(rf"\b(?P<symbol>{'|'.join(STDLIB_SYMBOLS)})\b\(")
def find_symbols_in_file(file: pathlib.Path) -> int:
match_count = 0
allowed_extensions = [ ".c", ".cpp", ".m", ".h", ".hpp", ".cc" ]
excluded_paths = [
"src/stdlib",
"src/libm",
"src/hidapi",
"src/video/khronos",
"src/video/stb_image.h",
"include/SDL3",
"build-scripts/gen_audio_resampler_filter.c",
"build-scripts/gen_audio_channel_conversion.c",
"test/win32/sdlprocdump.c",
]
filename = pathlib.Path(file)
for ep in excluded_paths:
if ep in filename.as_posix():
# skip
return 0
if filename.suffix not in allowed_extensions:
# skip
return 0
# print("Parse %s" % file)
try:
with file.open("r", encoding="UTF-8", newline="") as rfp:
parsing_comment = False
for line_i, original_line in enumerate(rfp, start=1):
line = original_line.strip()
line_comment = ""
# Get the comment block /* ... */ across several lines
while True:
if parsing_comment:
pos_end_comment = line.find("*/")
if pos_end_comment >= 0:
line = line[pos_end_comment+2:]
parsing_comment = False
else:
break
else:
pos_start_comment = line.find("/*")
if pos_start_comment >= 0:
pos_end_comment = line.find("*/", pos_start_comment+2)
if pos_end_comment >= 0:
line_comment += line[pos_start_comment:pos_end_comment+2]
line = line[:pos_start_comment] + line[pos_end_comment+2:]
else:
line_comment += line[pos_start_comment:]
line = line[:pos_start_comment]
parsing_comment = True
break
else:
break
if parsing_comment:
continue
pos_line_comment = line.find("//")
if pos_line_comment >= 0:
line_comment += line[pos_line_comment:]
line = line[:pos_line_comment]
if m := RE_STDLIB_SYMBOL.match(line):
override_string = f"This should NOT be SDL_{m['symbol']}()"
if override_string not in line_comment:
print(f"{filename}:{line_i}")
print(f" {line}")
print(f"")
match_count += 1
except UnicodeDecodeError:
print(f"{file} is not text, skipping", file=sys.stderr)
return match_count
def find_symbols_in_dir(path: pathlib.Path) -> int:
match_count = 0
for entry in path.glob("*"):
if entry.is_dir():
match_count += find_symbols_in_dir(entry)
else:
match_count += find_symbols_in_file(entry)
return match_count
def main():
parser = argparse.ArgumentParser(fromfile_prefix_chars="@")
parser.add_argument("path", default=SDL_ROOT, nargs="?", type=pathlib.Path, help="Path to look for stdlib symbols")
args = parser.parse_args()
print(f"Looking for stdlib usage in {args.path}...")
match_count = find_symbols_in_dir(args.path)
if match_count:
print("If the stdlib usage is intentional, add a '// This should NOT be SDL_<symbol>()' line comment.")
print("")
print("NOT OK")
else:
print("OK")
return 1 if match_count else 0
if __name__ == "__main__":
raise SystemExit(main())