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# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
import re
from variants import ALL_VARIANTS
from utils import Freeze
# These outcomes can occur in a TestCase's outcomes list:
SKIP = "SKIP"
FAIL = "FAIL"
PASS = "PASS"
OKAY = "OKAY"
TIMEOUT = "TIMEOUT"
CRASH = "CRASH"
SLOW = "SLOW"
FAST_VARIANTS = "FAST_VARIANTS"
NO_VARIANTS = "NO_VARIANTS"
# These are just for the status files and are mapped below in DEFS:
FAIL_OK = "FAIL_OK"
PASS_OR_FAIL = "PASS_OR_FAIL"
FAIL_SLOPPY = "FAIL_SLOPPY"
ALWAYS = "ALWAYS"
KEYWORDS = {}
for key in [SKIP, FAIL, PASS, OKAY, TIMEOUT, CRASH, SLOW, FAIL_OK,
FAST_VARIANTS, NO_VARIANTS, PASS_OR_FAIL, FAIL_SLOPPY, ALWAYS]:
KEYWORDS[key] = key
DEFS = {FAIL_OK: [FAIL, OKAY],
PASS_OR_FAIL: [PASS, FAIL]}
# Support arches, modes to be written as keywords instead of strings.
VARIABLES = {ALWAYS: True}
for var in ["debug", "release", "big", "little",
"android_arm", "android_arm64", "android_ia32", "android_x87",
"android_x64", "arm", "arm64", "ia32", "mips", "mipsel", "mips64",
"mips64el", "x64", "x87", "ppc", "ppc64", "s390", "s390x", "macos",
"windows", "linux", "aix"]:
VARIABLES[var] = var
# Allow using variants as keywords.
for var in ALL_VARIANTS:
VARIABLES[var] = var
def DoSkip(outcomes):
return SKIP in outcomes
def IsSlow(outcomes):
return SLOW in outcomes
def OnlyStandardVariant(outcomes):
return NO_VARIANTS in outcomes
def OnlyFastVariants(outcomes):
return FAST_VARIANTS in outcomes
def IsPassOrFail(outcomes):
return ((PASS in outcomes) and (FAIL in outcomes) and
(not CRASH in outcomes) and (not OKAY in outcomes))
def IsFailOk(outcomes):
return (FAIL in outcomes) and (OKAY in outcomes)
def _AddOutcome(result, new):
global DEFS
if new in DEFS:
mapped = DEFS[new]
if type(mapped) == list:
for m in mapped:
_AddOutcome(result, m)
elif type(mapped) == str:
_AddOutcome(result, mapped)
else:
result.add(new)
def _JoinsPassAndFail(outcomes1, outcomes2):
"""Indicates if we join PASS and FAIL from two different outcome sets and
the first doesn't already contain both.
"""
return (
PASS in outcomes1 and
not FAIL in outcomes1 and
FAIL in outcomes2
)
VARIANT_EXPRESSION = object()
def _EvalExpression(exp, variables):
try:
return eval(exp, variables)
except NameError as e:
identifier = re.match("name '(.*)' is not defined", e.message).group(1)
assert identifier == "variant", "Unknown identifier: %s" % identifier
return VARIANT_EXPRESSION
def _EvalVariantExpression(section, rules, wildcards, variant, variables):
variables_with_variant = {}
variables_with_variant.update(variables)
variables_with_variant["variant"] = variant
result = _EvalExpression(section[0], variables_with_variant)
assert result != VARIANT_EXPRESSION
if result is True:
_ReadSection(
section[1],
rules[variant],
wildcards[variant],
variables_with_variant,
)
else:
assert result is False, "Make sure expressions evaluate to boolean values"
def _ParseOutcomeList(rule, outcomes, target_dict, variables):
result = set([])
if type(outcomes) == str:
outcomes = [outcomes]
for item in outcomes:
if type(item) == str:
_AddOutcome(result, item)
elif type(item) == list:
exp = _EvalExpression(item[0], variables)
assert exp != VARIANT_EXPRESSION, (
"Nested variant expressions are not supported")
if exp is False:
continue
# Ensure nobody uses an identifier by mistake, like "default",
# which would evaluate to true here otherwise.
assert exp is True, "Make sure expressions evaluate to boolean values"
for outcome in item[1:]:
assert type(outcome) == str
_AddOutcome(result, outcome)
else:
assert False
if len(result) == 0: return
if rule in target_dict:
# A FAIL without PASS in one rule has always precedence over a single
# PASS (without FAIL) in another. Otherwise the default PASS expectation
# in a rule with a modifier (e.g. PASS, SLOW) would be joined to a FAIL
# from another rule (which intended to mark a test as FAIL and not as
# PASS and FAIL).
if _JoinsPassAndFail(target_dict[rule], result):
target_dict[rule] -= set([PASS])
if _JoinsPassAndFail(result, target_dict[rule]):
result -= set([PASS])
target_dict[rule] |= result
else:
target_dict[rule] = result
def ReadContent(content):
global KEYWORDS
return eval(content, KEYWORDS)
def ReadStatusFile(content, variables):
# Empty defaults for rules and wildcards. Variant-independent
# rules are mapped by "", others by the variant name.
rules = {variant: {} for variant in ALL_VARIANTS}
rules[""] = {}
wildcards = {variant: {} for variant in ALL_VARIANTS}
wildcards[""] = {}
variables.update(VARIABLES)
for section in ReadContent(content):
assert type(section) == list
assert len(section) == 2
exp = _EvalExpression(section[0], variables)
if exp is False:
# The expression is variant-independent and evaluates to False.
continue
elif exp == VARIANT_EXPRESSION:
# If the expression contains one or more "variant" keywords, we evaluate
# it for all possible variants and create rules for those that apply.
for variant in ALL_VARIANTS:
_EvalVariantExpression(section, rules, wildcards, variant, variables)
else:
# The expression is variant-independent and evaluates to True.
assert exp is True, "Make sure expressions evaluate to boolean values"
_ReadSection(
section[1],
rules[""],
wildcards[""],
variables,
)
return Freeze(rules), Freeze(wildcards)
def _ReadSection(section, rules, wildcards, variables):
assert type(section) == dict
for rule in section:
assert type(rule) == str
if rule[-1] == '*':
_ParseOutcomeList(rule, section[rule], wildcards, variables)
else:
_ParseOutcomeList(rule, section[rule], rules, variables)
def PresubmitCheck(path):
with open(path) as f:
contents = ReadContent(f.read())
root_prefix = os.path.basename(os.path.dirname(path)) + "/"
status = {"success": True}
def _assert(check, message): # Like "assert", but doesn't throw.
if not check:
print("%s: Error: %s" % (path, message))
status["success"] = False
try:
for section in contents:
_assert(type(section) == list, "Section must be a list")
_assert(len(section) == 2, "Section list must have exactly 2 entries")
section = section[1]
_assert(type(section) == dict,
"Second entry of section must be a dictionary")
for rule in section:
_assert(type(rule) == str, "Rule key must be a string")
_assert(not rule.startswith(root_prefix),
"Suite name prefix must not be used in rule keys")
_assert(not rule.endswith('.js'),
".js extension must not be used in rule keys.")
return status["success"]
except Exception as e:
print e
return False