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Copy pathrun-tests.py
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163 lines (134 loc) · 5.02 KB
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import glob
import os
import shutil
import subprocess
import sys
def cleanup(out: str) -> str:
parts = []
for line in out.splitlines():
if len(line) > 1 and line[0] == '#':
continue
parts.append("".join(line.split()))
return "".join(parts)
# Check for required compilers and exit if any are missing
CLANG_EXE = shutil.which('clang')
if not CLANG_EXE:
sys.exit('Failed to run tests: clang compiler not found')
GCC_EXE = shutil.which('gcc')
if not GCC_EXE:
sys.exit('Failed to run tests: gcc compiler not found')
SIMPLECPP_EXE = './simplecpp'
commands = []
for f in sorted(glob.glob(os.path.expanduser('testsuite/clang-preprocessor-tests/*.c*'))):
for line in open(f, 'rt', encoding='utf-8'):
if line.startswith('// RUN: %clang_cc1 '):
cmd = ''
for arg in line[19:].split():
if arg == '-E' or (len(arg) >= 3 and arg[:2] == '-D'):
cmd = cmd + ' ' + arg
if len(cmd) > 1:
newcmd = cmd[1:] + ' ' + f
if not newcmd in commands:
commands.append(cmd[1:] + ' ' + f)
for f in sorted(glob.glob(os.path.expanduser('testsuite/gcc-preprocessor-tests/*.c*'))):
commands.append('-E ' + f)
# skipping tests..
skip = ['assembler-with-cpp.c',
'builtin_line.c',
'c99-6_10_3_3_p4.c',
'clang_headers.c', # missing include <limits.h>
'comment_save.c', # _Pragma
'has_attribute.c',
'has_attribute.cpp',
'header_lookup1.c', # missing include <stddef.h>
'line-directive-output.c',
# 'macro_paste_hashhash.c',
'microsoft-ext.c',
'normalize-3.c', # gcc has different output \uAC00 vs \U0000AC00 on cygwin/linux
'pr63831-1.c', # __has_attribute => works differently on cygwin/linux
'pr63831-2.c', # __has_attribute => works differently on cygwin/linux
'pr65238-1.c', # __has_attribute => works differently on cygwin/linux
'_Pragma-location.c',
'_Pragma-dependency.c',
'_Pragma-dependency2.c',
'_Pragma-physloc.c',
'pragma-pushpop-macro.c', # pragma push/pop
'x86_target_features.c',
'warn-disabled-macro-expansion.c',
'ucnid-2011-1.c' # \u00A8 generates different output on cygwin/linux
]
todo = [
# todo, low priority: wrong number of macro arguments, pragma, etc
'macro_backslash.c',
'macro_fn_comma_swallow.c',
'macro_fn_comma_swallow2.c',
'macro_expand.c',
'macro_fn_disable_expand.c',
'macro_paste_commaext.c',
'macro_paste_hard.c',
'macro_rescan_varargs.c',
# todo, high priority
'c99-6_10_3_4_p5.c',
'c99-6_10_3_4_p6.c',
'expr_usual_conversions.c', # condition is true: 4U - 30 >= 0
'stdint.c',
# GCC..
'diagnostic-pragma-1.c',
'pr45457.c',
'pr57580.c',
]
def run(compiler_executable: str, compiler_args: list[str]) -> tuple[int, str, str, str]:
"""Execute a compiler command and capture its exit code, stdout, and stderr."""
compiler_cmd = [compiler_executable]
compiler_cmd.extend(compiler_args)
with subprocess.Popen(compiler_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, encoding="utf-8") as process:
stdout, stderr = process.communicate()
exit_code = process.returncode
output = cleanup(stdout)
error = (stderr or "").strip()
return (exit_code, output, stdout, error)
numberOfSkipped = 0
numberOfFailed = 0
numberOfFixed = 0
usedTodos = []
for cmd in commands:
if cmd[cmd.rfind('/')+1:] in skip:
numberOfSkipped = numberOfSkipped + 1
continue
_, clang_output_c, clang_output, _ = run(CLANG_EXE, cmd.split(' '))
_, gcc_output_c, gcc_output, _ = run(GCC_EXE, cmd.split(' '))
# -E is not supported and we bail out on unknown options
simplecpp_ec, simplecpp_output_c, simplecpp_output, simplecpp_err = run(SIMPLECPP_EXE, cmd.replace('-E ', '', 1).split(' '))
if simplecpp_output_c != clang_output_c and simplecpp_output_c != gcc_output_c:
filename = cmd[cmd.rfind('/')+1:]
if filename in todo:
print('TODO ' + cmd)
usedTodos.append(filename)
else:
print('FAILED ' + cmd)
print('---expected (clang):')
print(clang_output_c)
print('---expected (gcc):')
print(gcc_output_c)
print('---actual:')
print(simplecpp_output_c)
print('---output (clang):')
print(clang_output)
print('---output (gcc):')
print(gcc_output)
print('---output (simplecpp):')
print(simplecpp_output)
if simplecpp_ec:
print('simplecpp failed - ' + simplecpp_err)
numberOfFailed = numberOfFailed + 1
for filename in todo:
if not filename in usedTodos:
print('FIXED ' + filename)
numberOfFixed = numberOfFixed + 1
print('Number of tests: ' + str(len(commands)))
print('Number of skipped: ' + str(numberOfSkipped))
print('Number of todos (fixed): ' + str(len(usedTodos)) + ' (' + str(numberOfFixed) + ')')
print('Number of failed: ' + str(numberOfFailed))
if numberOfFailed or numberOfFixed:
sys.exit(1)
sys.exit(0)