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Removed unused function and minor cleanup

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This commit is contained in:
Ravi Shankar 2016-06-15 23:26:07 +05:30
parent 033786cd0d
commit dfe32b0ada
2 changed files with 64 additions and 77 deletions
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139
python/tidy/servo_tidy/tidy.py
View file

@ -19,19 +19,21 @@ import subprocess
import sys import sys
from licenseck import licenses from licenseck import licenses
# License and header checks
EMACS_HEADER = "/* -*- Mode:"
VIM_HEADER = "/* vim:"
MAX_LICENSE_LINESPAN = max(len(license.splitlines()) for license in licenses)
# File patterns to include in the non-WPT tidy check. # File patterns to include in the non-WPT tidy check.
file_patterns_to_check = ["*.rs", "*.rc", "*.cpp", "*.c", FILE_PATTERNS_TO_CHECK = ["*.rs", "*.rc", "*.cpp", "*.c",
"*.h", "Cargo.lock", "*.py", "*.h", "Cargo.lock", "*.py",
"*.toml", "*.webidl", "*.json"] "*.toml", "*.webidl", "*.json"]
# File patterns that are ignored for all tidy and lint checks. # File patterns that are ignored for all tidy and lint checks.
file_patterns_to_ignore = [ FILE_PATTERNS_TO_IGNORE = ["*.#*", "*.pyc"]
"*.#*",
"*.pyc",
]
# Files that are ignored for all tidy and lint checks. # Files that are ignored for all tidy and lint checks.
ignored_files = [ IGNORED_FILES = [
# Generated and upstream code combined with our own. Could use cleanup # Generated and upstream code combined with our own. Could use cleanup
os.path.join(".", "ports", "geckolib", "gecko_bindings", "bindings.rs"), os.path.join(".", "ports", "geckolib", "gecko_bindings", "bindings.rs"),
os.path.join(".", "ports", "geckolib", "gecko_bindings", "structs_debug.rs"), os.path.join(".", "ports", "geckolib", "gecko_bindings", "structs_debug.rs"),
@ -49,7 +51,7 @@ ignored_files = [
] ]
# Directories that are ignored for the non-WPT tidy check. # Directories that are ignored for the non-WPT tidy check.
ignored_dirs = [ IGNORED_DIRS = [
# Upstream # Upstream
os.path.join(".", "support", "android", "apk"), os.path.join(".", "support", "android", "apk"),
os.path.join(".", "support", "rust-task_info"), os.path.join(".", "support", "rust-task_info"),
@ -74,7 +76,31 @@ ignored_dirs = [
os.path.join(".", "."), os.path.join(".", "."),
] ]
spec_base_path = "components/script/dom/" SPEC_BASE_PATH = "components/script/dom/"
WEBIDL_STANDARDS = [
"//www.khronos.org/registry/webgl/specs",
"//developer.mozilla.org/en-US/docs/Web/API",
"//dev.w3.org/2006/webapi",
"//dev.w3.org/csswg",
"//dev.w3.org/fxtf",
"//dvcs.w3.org/hg",
"//dom.spec.whatwg.org",
"//domparsing.spec.whatwg.org",
"//drafts.csswg.org/cssom",
"//drafts.fxtf.org",
"//encoding.spec.whatwg.org",
"//html.spec.whatwg.org",
"//url.spec.whatwg.org",
"//xhr.spec.whatwg.org",
"//w3c.github.io",
"//heycam.github.io/webidl",
"//webbluetoothcg.github.io/web-bluetooth/",
"//slightlyoff.github.io/ServiceWorker/spec/service_worker/",
# Not a URL
"// This interface is entirely internal to Servo, and should not be" +
" accessible to\n// web pages."
]
def is_iter_empty(iterator): def is_iter_empty(iterator):
@ -97,16 +123,16 @@ def progress_wrapper(iterator):
def filter_file(file_name): def filter_file(file_name):
if any(file_name.startswith(ignored_file) for ignored_file in ignored_files): if any(file_name.startswith(ignored_file) for ignored_file in IGNORED_FILES):
return False return False
base_name = os.path.basename(file_name) base_name = os.path.basename(file_name)
if any(fnmatch.fnmatch(base_name, pattern) for pattern in file_patterns_to_ignore): if any(fnmatch.fnmatch(base_name, pattern) for pattern in FILE_PATTERNS_TO_IGNORE):
return False return False
return True return True
def filter_files(start_dir, only_changed_files, progress): def filter_files(start_dir, only_changed_files, progress):
file_iter = get_file_list(start_dir, only_changed_files, ignored_dirs) file_iter = get_file_list(start_dir, only_changed_files, IGNORED_DIRS)
(has_element, file_iter) = is_iter_empty(file_iter) (has_element, file_iter) = is_iter_empty(file_iter)
if not has_element: if not has_element:
raise StopIteration raise StopIteration
@ -114,18 +140,13 @@ def filter_files(start_dir, only_changed_files, progress):
file_iter = progress_wrapper(file_iter) file_iter = progress_wrapper(file_iter)
for file_name in file_iter: for file_name in file_iter:
base_name = os.path.basename(file_name) base_name = os.path.basename(file_name)
if not any(fnmatch.fnmatch(base_name, pattern) for pattern in file_patterns_to_check): if not any(fnmatch.fnmatch(base_name, pattern) for pattern in FILE_PATTERNS_TO_CHECK):
continue continue
if not filter_file(file_name): if not filter_file(file_name):
continue continue
yield file_name yield file_name
EMACS_HEADER = "/* -*- Mode:"
VIM_HEADER = "/* vim:"
MAX_LICENSE_LINESPAN = max(len(license.splitlines()) for license in licenses)
def check_license(file_name, lines): def check_license(file_name, lines):
if any(file_name.endswith(ext) for ext in (".toml", ".lock", ".json")): if any(file_name.endswith(ext) for ext in (".toml", ".lock", ".json")):
raise StopIteration raise StopIteration
@ -273,13 +294,6 @@ duplicate versions for package "{package}"
yield (1, message) yield (1, message)
def maybe_int(value):
try:
return int(value)
except ValueError:
return value
def check_toml(file_name, lines): def check_toml(file_name, lines):
if not file_name.endswith(".toml"): if not file_name.endswith(".toml"):
raise StopIteration raise StopIteration
@ -295,9 +309,9 @@ def check_rust(file_name, lines):
file_name.endswith(os.path.join("geckolib", "build.rs")) or \ file_name.endswith(os.path.join("geckolib", "build.rs")) or \
file_name.endswith(os.path.join("unit", "style", "stylesheets.rs")): file_name.endswith(os.path.join("unit", "style", "stylesheets.rs")):
raise StopIteration raise StopIteration
comment_depth = 0 comment_depth = 0
merged_lines = '' merged_lines = ''
import_block = False import_block = False
whitespace = False whitespace = False
@ -314,6 +328,8 @@ def check_rust(file_name, lines):
for idx, original_line in enumerate(lines): for idx, original_line in enumerate(lines):
# simplify the analysis # simplify the analysis
line = original_line.strip() line = original_line.strip()
is_attribute = re.search(r"#\[.*\]", line)
is_comment = re.search(r"^//|^/\*|^\*", line)
# Simple heuristic to avoid common case of no comments. # Simple heuristic to avoid common case of no comments.
if '/' in line: if '/' in line:
@ -331,17 +347,17 @@ def check_rust(file_name, lines):
merged_lines = '' merged_lines = ''
# Keep track of whitespace to enable checking for a merged import block # Keep track of whitespace to enable checking for a merged import block
#
# Ignore attributes, comments, and imports # Ignore attributes, comments, and imports
if import_block: if import_block:
if not (line_is_comment(line) or line_is_attribute(line) or line.startswith("use ")): if not (is_comment or is_attribute or line.startswith("use ")):
whitespace = line == "" whitespace = line == ""
if not whitespace: if not whitespace:
import_block = False import_block = False
# get rid of strings and chars because cases like regex expression, keep attributes # get rid of strings and chars because cases like regex expression, keep attributes
if not line_is_attribute(line): if not is_attribute:
line = re.sub(r'"(\\.|[^\\"])*?"', '""', line) line = re.sub(r'"(\\.|[^\\"])*?"', '""', line)
line = re.sub(r"'(\\.|[^\\'])*?'", "''", line) line = re.sub(r"'(\\.|[^\\'])*?'", "''", line)
@ -355,21 +371,22 @@ def check_rust(file_name, lines):
# tuple format: (pattern, format_message, filter_function(match, line)) # tuple format: (pattern, format_message, filter_function(match, line))
no_filter = lambda match, line: True no_filter = lambda match, line: True
regex_rules = [ regex_rules = [
(r",[^\s]", "missing space after ,", lambda match, line: '$' not in line), (r",[^\s]", "missing space after ,",
lambda match, line: '$' not in line and not is_attribute),
(r"[A-Za-z0-9\"]=", "missing space before =", (r"[A-Za-z0-9\"]=", "missing space before =",
lambda match, line: line_is_attribute(line)), lambda match, line: is_attribute),
(r"=[A-Za-z0-9\"]", "missing space after =", (r"=[A-Za-z0-9\"]", "missing space after =",
lambda match, line: line_is_attribute(line)), lambda match, line: is_attribute),
# ignore scientific notation patterns like 1e-6 # ignore scientific notation patterns like 1e-6
(r"[A-DF-Za-df-z0-9]-", "missing space before -", (r"[A-DF-Za-df-z0-9]-", "missing space before -",
lambda match, line: not line_is_attribute(line)), lambda match, line: not is_attribute),
(r"[A-Za-z0-9]([\+/\*%=])", "missing space before {0}", (r"[A-Za-z0-9]([\+/\*%=])", "missing space before {0}",
lambda match, line: (not line_is_attribute(line) and lambda match, line: (not is_attribute and
not is_associated_type(match, line))), not is_associated_type(match, line))),
# * not included because of dereferencing and casting # * not included because of dereferencing and casting
# - not included because of unary negation # - not included because of unary negation
(r'([\+/\%=])[A-Za-z0-9"]', "missing space after {0}", (r'([\+/\%=])[A-Za-z0-9"]', "missing space after {0}",
lambda match, line: (not line_is_attribute(line) and lambda match, line: (not is_attribute and
not is_associated_type(match, line))), not is_associated_type(match, line))),
(r"\)->", "missing space before ->", no_filter), (r"\)->", "missing space before ->", no_filter),
(r"->[A-Za-z]", "missing space after ->", no_filter), (r"->[A-Za-z]", "missing space after ->", no_filter),
@ -402,10 +419,8 @@ def check_rust(file_name, lines):
for pattern, message, filter_func in regex_rules: for pattern, message, filter_func in regex_rules:
for match in re.finditer(pattern, line): for match in re.finditer(pattern, line):
if not filter_func(match, line): if filter_func(match, line):
continue yield (idx + 1, message.format(*match.groups(), **match.groupdict()))
yield (idx + 1, message.format(*match.groups(), **match.groupdict()))
if prev_open_brace and not line: if prev_open_brace and not line:
yield (idx + 1, "found an empty line following a {") yield (idx + 1, "found an empty line following a {")
@ -481,14 +496,6 @@ def is_associated_type(match, line):
return generic_open and generic_close return generic_open and generic_close
def line_is_attribute(line):
return re.search(r"#\[.*\]", line)
def line_is_comment(line):
return re.search(r"^//|^/\*|^\*", line)
def check_webidl_spec(file_name, contents): def check_webidl_spec(file_name, contents):
# Sorted by this function (in pseudo-Rust). The idea is to group the same # Sorted by this function (in pseudo-Rust). The idea is to group the same
# organization together. # organization together.
@ -508,35 +515,14 @@ def check_webidl_spec(file_name, contents):
# } # }
# a_domain.path().cmp(b_domain.path()) # a_domain.path().cmp(b_domain.path())
# } # }
if not file_name.endswith(".webidl"): if not file_name.endswith(".webidl"):
raise StopIteration raise StopIteration
standards = [
"//www.khronos.org/registry/webgl/specs", for i in WEBIDL_STANDARDS:
"//developer.mozilla.org/en-US/docs/Web/API",
"//dev.w3.org/2006/webapi",
"//dev.w3.org/csswg",
"//dev.w3.org/fxtf",
"//dvcs.w3.org/hg",
"//dom.spec.whatwg.org",
"//domparsing.spec.whatwg.org",
"//drafts.csswg.org/cssom",
"//drafts.fxtf.org",
"//encoding.spec.whatwg.org",
"//html.spec.whatwg.org",
"//url.spec.whatwg.org",
"//xhr.spec.whatwg.org",
"//w3c.github.io",
"//heycam.github.io/webidl",
"//webbluetoothcg.github.io/web-bluetooth/",
"//slightlyoff.github.io/ServiceWorker/spec/service_worker/",
# Not a URL
"// This interface is entirely internal to Servo, and should not be" +
" accessible to\n// web pages."
]
for i in standards:
if contents.find(i) != -1: if contents.find(i) != -1:
raise StopIteration raise StopIteration
yield 0, "No specification link found." yield (0, "No specification link found.")
def check_json(filename, contents): def check_json(filename, contents):
@ -552,9 +538,9 @@ def check_json(filename, contents):
def check_spec(file_name, lines): def check_spec(file_name, lines):
if spec_base_path not in file_name: if SPEC_BASE_PATH not in file_name:
raise StopIteration raise StopIteration
file_name = os.path.relpath(os.path.splitext(file_name)[0], spec_base_path) file_name = os.path.relpath(os.path.splitext(file_name)[0], SPEC_BASE_PATH)
patt = re.compile("^\s*\/\/.+") patt = re.compile("^\s*\/\/.+")
# Pattern representing a line with a macro # Pattern representing a line with a macro
@ -566,9 +552,10 @@ def check_spec(file_name, lines):
# Pattern representing a line with comment # Pattern representing a line with comment
comment_patt = re.compile("^\s*///?.+$") comment_patt = re.compile("^\s*///?.+$")
pattern = "impl {}Methods for {} {{".format(file_name, file_name)
brace_count = 0 brace_count = 0
in_impl = False in_impl = False
pattern = "impl {}Methods for {} {{".format(file_name, file_name)
for idx, line in enumerate(lines): for idx, line in enumerate(lines):
if "// check-tidy: no specs after this line" in line: if "// check-tidy: no specs after this line" in line:
break break
@ -599,10 +586,10 @@ def collect_errors_for_files(files_to_check, checking_functions, line_checking_f
raise StopIteration raise StopIteration
if print_text: if print_text:
print '\rChecking files for tidiness...' print '\rChecking files for tidiness...'
for filename in files_to_check: for filename in files_to_check:
if not os.path.exists(filename): if not os.path.exists(filename):
continue continue
with open(filename, "r") as f: with open(filename, "r") as f:
contents = f.read() contents = f.read()
for check in checking_functions: for check in checking_functions:
@ -650,7 +637,7 @@ def get_file_list(directory, only_changed_files=False, exclude_dirs=[]):
args = ["git", "ls-files", "--others", "--exclude-standard", directory] args = ["git", "ls-files", "--others", "--exclude-standard", directory]
file_list += subprocess.check_output(args) file_list += subprocess.check_output(args)
for f in file_list.splitlines(): for f in file_list.splitlines():
if os.path.join('.', os.path.dirname(f)) not in ignored_dirs: if os.path.join('.', os.path.dirname(f)) not in exclude_dirs:
yield os.path.join('.', f) yield os.path.join('.', f)
elif exclude_dirs: elif exclude_dirs:
for root, dirs, files in os.walk(directory, topdown=True): for root, dirs, files in os.walk(directory, topdown=True):

2
python/tidy/servo_tidy_tests/test_tidy.py
View file

@ -79,7 +79,7 @@ class CheckTidiness(unittest.TestCase):
self.assertNoMoreErrors(errors) self.assertNoMoreErrors(errors)
def test_spec_link(self): def test_spec_link(self):
tidy.spec_base_path = base_path tidy.SPEC_BASE_PATH = base_path
errors = tidy.collect_errors_for_files(iterFile('speclink.rs'), [], [tidy.check_spec], print_text=False) errors = tidy.collect_errors_for_files(iterFile('speclink.rs'), [], [tidy.check_spec], print_text=False)
self.assertEqual('method declared in webidl is missing a comment with a specification link', errors.next()[2]) self.assertEqual('method declared in webidl is missing a comment with a specification link', errors.next()[2])
self.assertNoMoreErrors(errors) self.assertNoMoreErrors(errors)