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# -*- Python -*-
# Configuration file for the 'lit' test runner.
import os
# name: The name of this test suite.
config.name = 'KLEE'
# testFormat: The test format to use to interpret tests.
config.test_format = lit.formats.ShTest(execute_external=False)
# suffixes: A list of file extensions to treat as test files, this is actually
# set by on_clone().
config.suffixes = []
# 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.
klee_obj_root = getattr(config, 'klee_obj_root', None)
if klee_obj_root is not None:
config.test_exec_root = os.path.join(klee_obj_root, 'test')
# Tweak the PATH to include the tool dir.
if klee_obj_root is not None:
klee_tools_dir = getattr(config, 'klee_tools_dir', None)
if not klee_tools_dir:
lit.fatal('No KLEE tools dir set!')
# Check LLVM tool directory
llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
if not llvm_tools_dir:
lit.fatal('No LLVM tool directory set!')
path = os.path.pathsep.join((klee_tools_dir, config.environment['PATH'], llvm_tools_dir))
config.environment['PATH'] = path
# Propogate 'HOME' through the environment.
config.environment['HOME'] = os.environ['HOME']
###
import os
# Check that the object root is known.
if config.test_exec_root is None:
lit.fatal('test execution root not set!')
###
# Load site data from DejaGNU's site.exp.
import re
site_exp = {}
# FIXME: Implement lit.site.cfg.
for line in open(os.path.join(config.klee_obj_root, 'test', 'site.exp')):
m = re.match('set ([^ ]+) "([^"]*)"', line)
if m:
site_exp[m.group(1)] = m.group(2)
# Add substitutions.
config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
for sub in ['llvmgcc', 'llvmgxx']:
if sub in ('llvmgcc', 'llvmgxx'):
config.substitutions.append(('%' + sub,
site_exp[sub] + ' -emit-llvm -w'))
# FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
# warning when passing in "-fexceptions -fno-exceptions".
elif sub == 'compile_cxx':
config.substitutions.append(('%' + sub,
site_exp[sub].replace('-fno-exceptions', '')))
else:
config.substitutions.append(('%' + sub, site_exp[sub]))
# FIXME: Give these proper paths.
config.substitutions.append(('%kleaver', 'kleaver'))
config.substitutions.append(('%klee', 'klee'))
def klee_supports_posix_runtime():
return int(site_exp['ENABLE_POSIX_RUNTIME'])
def klee_supports_uclibc():
return int(site_exp['ENABLE_UCLIBC'])
excludes = []
# Provide target_triple for use in XFAIL and XTARGET.
config.target_triple = site_exp['target_triplet']
# Provide on_clone hook for reading 'dg.exp'.
import os
simpleLibData = re.compile(r"""load_lib llvm.exp
RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
re.MULTILINE)
conditionalLibData = re.compile(r"""load_lib llvm.exp
if.*\[?(klee[^ ]*)\].*{
*RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
\}""", re.MULTILINE)
def on_clone(parent, cfg, for_path):
def addSuffixes(match):
if match[0] == '{' and match[-1] == '}':
cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
else:
cfg.suffixes = ['.' + match]
libPath = os.path.join(os.path.dirname(for_path),
'dg.exp')
if not os.path.exists(libPath):
cfg.unsupported = True
return
# Reset unsupported, in case we inherited it.
cfg.unsupported = False
lib = open(libPath).read().strip()
# Check for a simple library.
m = simpleLibData.match(lib)
if m:
addSuffixes(m.group(1))
return
# Check for a conditional test set.
m = conditionalLibData.match(lib)
if m:
funcname,match = m.groups()
addSuffixes(match)
func = globals().get(funcname)
if not func:
lit.error('unsupported predicate %r' % funcname)
elif not func():
cfg.unsupported = True
return
# Otherwise, give up.
lit.error('unable to understand %r:\n%s' % (libPath, lib))
config.on_clone = on_clone
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