carbon-lang/bazel/testing/lit.cfg.py

__copyright__ = """
Part of the Carbon Language project, under the Apache License v2.0 with LLVM
Exceptions. See /LICENSE for license information.
SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
"""

import lit.formats
import os


# This is a provided variable, ignore the undefined name warning.
config = config  # noqa: F821


def fullpath(relative_path):
    return os.path.join(os.environ["TEST_SRCDIR"], relative_path)


config.name = "lit"
config.suffixes = [".carbon"]
config.test_format = lit.formats.ShTest()

config.substitutions.append(
    (
        "%{carbon}",
        fullpath("carbon/toolchain/driver/carbon"),
    )
)
_EXPLORER = "%s --prelude=%s" % (
    fullpath("carbon/explorer/explorer"),
    fullpath("carbon/explorer/data/prelude.carbon"),
)
config.substitutions.append(("%{explorer}", _EXPLORER))
config.substitutions.append(
    ("%{explorer-trace}", _EXPLORER + " --parser_debug --trace_file=-")
)

config.substitutions.append(("%{not}", fullpath("llvm-project/llvm/not")))

_FILE_CHECK = "%s --dump-input-filter=all" % fullpath(
    "llvm-project/llvm/FileCheck"
)
config.substitutions.append(("%{FileCheck}", _FILE_CHECK))
config.substitutions.append(
    (
        "%{FileCheck-allow-unmatched}",
        _FILE_CHECK + " --match-full-lines --strict-whitespace",
    )
)
config.substitutions.append(
    (
        "%{FileCheck-strict}",
        _FILE_CHECK
        + " --implicit-check-not={{.}} --match-full-lines --strict-whitespace",
    )
)