# -*clang- Python -*-

import os
import platform
import re

import lit.formats
import lit.util

# Configuration file for the 'lit' test runner.

# name: The name of this test suite.
config.name = 'Polly - isl unit tests'

# testFormat: The test format to use to interpret tests.
#
# For now we require '&&' between commands, until they get globally killed and
# the test runner updated.
#
# TODO: Consolidate the logic for turning on the internal shell by default for all LLVM test suites.
# See https://github.com/llvm/llvm-project/issues/106636 for more details.
#
# We prefer the lit internal shell which provides a better user experience on failures
# unless the user explicitly disables it with LIT_USE_INTERNAL_SHELL=0 env var.
use_lit_shell = True
lit_shell_env = os.environ.get("LIT_USE_INTERNAL_SHELL")
if lit_shell_env:
	use_lit_shell = lit.util.pythonize_bool(lit_shell_env)

config.test_format = lit.formats.ShTest(execute_external=not use_lit_shell)

# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.sh']

# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)

# test_exec_root: The root path where tests should be run.
polly_obj_root = getattr(config, 'polly_obj_root', None)
if polly_obj_root is not None:
    config.test_exec_root = os.path.join(polly_obj_root, 'test')

# Set llvm_{src,obj}_root for use by others.
config.llvm_src_root = getattr(config, 'llvm_src_root', None)
config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)

# Tweak the PATH to ensure that built files are the ones executed.
bin_dir = getattr(config, 'bin_dir', None)
if bin_dir is None:
    lit_config.fatal('No executable dir set!')
path = os.path.pathsep.join((bin_dir, config.environment['PATH']))
config.environment['PATH'] = path

config.environment['srcdir'] = os.path.join(config.test_source_root,
                                            '../../lib/External/isl')