xref: /llvm-project/flang/test/Semantics/common.py (revision f98ee40f4b5d7474fc67e82824bf6abbaedb7b1c)
1"""Provides common functionality to the test scripts."""
2
3import os
4import sys
5from pathlib import Path
6
7
8def set_source(source):
9    """Checks whether the source file exists and returns its path."""
10    if not Path(source).is_file():
11        die(source)
12    return Path(source)
13
14
15def set_executable(executable):
16    """Checks whether a Flang executable has been set and returns its path."""
17    flang_fc1 = Path(executable)
18    if not flang_fc1.is_file():
19        die(flang_fc1)
20    return str(flang_fc1)
21
22
23def set_temp(tmp):
24    """Sets a temporary directory or creates one if it doesn't exist."""
25    os.makedirs(Path(tmp), exist_ok=True)
26    return Path(tmp)
27
28
29def die(file=None):
30    """Used in other functions."""
31    if file is None:
32        print(f"{sys.argv[0]}: FAIL")
33    else:
34        print(f"{sys.argv[0]}: File not found: {file}")
35    sys.exit(1)
36
37
38def check_args(args):
39    """Verifies that 2 arguments have been passed."""
40    if len(args) < 3:
41        print(f"Usage: {args[0]} <fortran-source> <flang-command>")
42        sys.exit(1)
43
44
45def check_args_long(args):
46    """Verifies that 3 arguments have been passed."""
47    if len(args) < 4:
48        print(f"Usage: {args[0]} <fortran-source> <temp-test-dir> <flang-command>")
49        sys.exit(1)
50