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# python3
# Copyright (C) 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Warning patterns from other tools."""
# No need of doc strings for trivial small functions.
# pylint:disable=missing-function-docstring
# pylint:disable=relative-beyond-top-level
from .cpp_warn_patterns import compile_patterns
from .severity import Severity
def warn(name, severity, description, pattern_list):
return {
'category': name,
'severity': severity,
'description': name + ': ' + description,
'patterns': pattern_list
}
def aapt(description, pattern_list):
return warn('aapt', Severity.MEDIUM, description, pattern_list)
def misc(description, pattern_list):
return warn('logtags', Severity.LOW, description, pattern_list)
def asm(description, pattern_list):
return warn('asm', Severity.MEDIUM, description, pattern_list)
def kotlin(description, pattern):
return warn('Kotlin', Severity.MEDIUM, description,
[r'.*\.kt:.*: warning: ' + pattern])
def yacc(description, pattern_list):
return warn('yacc', Severity.MEDIUM, description, pattern_list)
def rust(severity, description, pattern):
return warn('Rust', severity, description,
[r'.*\.rs:.*: warning: ' + pattern])
warn_patterns = [
# pylint does not recognize g-inconsistent-quotes
# pylint:disable=line-too-long,bad-option-value,g-inconsistent-quotes
# aapt warnings
aapt('No comment for public symbol',
[r".*: warning: No comment for public symbol .+"]),
aapt('No default translation',
[r".*: warning: string '.+' has no default translation in .*"]),
aapt('Missing default or required localization',
[r".*: warning: \*\*\*\* string '.+' has no default or required localization for '.+' in .+"]),
aapt('String marked untranslatable, but translation exists',
[r".*: warning: string '.+' in .* marked untranslatable but exists in locale '??_??'"]),
aapt('empty span in string',
[r".*: warning: empty '.+' span found in text '.+"]),
# misc warnings
misc('Duplicate logtag',
[r".*: warning: tag \".+\" \(.+\) duplicated in .+"]),
misc('Typedef redefinition',
[r".*: warning: redefinition of typedef '.+' is a C11 feature"]),
misc('GNU old-style field designator',
[r".*: warning: use of GNU old-style field designator extension"]),
misc('Missing field initializers',
[r".*: warning: missing field '.+' initializer"]),
misc('Missing braces',
[r".*: warning: suggest braces around initialization of",
r".*: warning: too many braces around scalar initializer .+Wmany-braces-around-scalar-init",
r".*: warning: braces around scalar initializer"]),
misc('Comparison of integers of different signs',
[r".*: warning: comparison of integers of different signs.+sign-compare"]),
misc('Add braces to avoid dangling else',
[r".*: warning: add explicit braces to avoid dangling else"]),
misc('Initializer overrides prior initialization',
[r".*: warning: initializer overrides prior initialization of this subobject"]),
misc('Assigning value to self',
[r".*: warning: explicitly assigning value of .+ to itself"]),
misc('GNU extension, variable sized type not at end',
[r".*: warning: field '.+' with variable sized type '.+' not at the end of a struct or class"]),
misc('Comparison of constant is always false/true',
[r".*: comparison of .+ is always .+Wtautological-constant-out-of-range-compare"]),
misc('Hides overloaded virtual function',
[r".*: '.+' hides overloaded virtual function"]),
misc('Incompatible pointer types',
[r".*: warning: incompatible .*pointer types .*-Wincompatible-.*pointer-types"]),
# Assembler warnings
asm('ASM value size does not match register size',
[r".*: warning: value size does not match register size specified by the constraint and modifier"]),
asm('IT instruction is deprecated',
[r".*: warning: applying IT instruction .* is deprecated"]),
# NDK warnings
{'category': 'NDK', 'severity': Severity.HIGH,
'description': 'NDK: Generate guard with empty availability, obsoleted',
'patterns': [r".*: warning: .* generate guard with empty availability: obsoleted ="]},
# Protoc warnings
{'category': 'Protoc', 'severity': Severity.MEDIUM,
'description': 'Proto: Enum name collision after strip',
'patterns': [r".*: warning: Enum .* has the same name .* ignore case and strip"]},
{'category': 'Protoc', 'severity': Severity.MEDIUM,
'description': 'Proto: Import not used',
'patterns': [r".*: warning: Import .*/.*\.proto but not used.$"]},
# Kotlin warnings
kotlin('never used parameter or variable', '.+ \'.*\' is never used'),
kotlin('multiple labels', '.+ more than one label .+ in this scope'),
kotlin('type mismatch', 'type mismatch: '),
kotlin('is always true', '.+ is always \'true\''),
kotlin('no effect', '.+ annotation has no effect for '),
kotlin('no cast needed', 'no cast needed'),
kotlin('accessor not generated', 'an accessor will not be generated '),
kotlin('initializer is redundant', '.* initializer is redundant$'),
kotlin('elvis operator always returns ...',
'elvis operator (?:) always returns .+'),
kotlin('shadowed name', 'name shadowed: .+'),
kotlin('unchecked cast', 'unchecked cast: .* to .*$'),
kotlin('unreachable code', 'unreachable code'),
kotlin('unnecessary assertion', 'unnecessary .+ assertion .+'),
kotlin('unnecessary safe call on a non-null receiver',
'unnecessary safe call on a non-null receiver'),
kotlin('Deprecated in Java',
'\'.*\' is deprecated. Deprecated in Java'),
kotlin('Replacing Handler for Executor',
'.+ Replacing Handler for Executor in '),
kotlin('library has Kotlin runtime',
'.+ has Kotlin runtime (bundled|library)'),
warn('Kotlin', Severity.MEDIUM, 'bundled Kotlin runtime',
['.*warning: .+ (has|have the) Kotlin (runtime|Runtime library) bundled']),
kotlin('other warnings', '.+'), # catch all other Kotlin warnings
# Yacc warnings
yacc('deprecate directive',
[r".*\.yy?:.*: warning: deprecated directive: "]),
yacc('reduce/reduce conflicts',
[r".*\.yy?: warning: .+ reduce/reduce conflicts "]),
yacc('shift/reduce conflicts',
[r".*\.yy?: warning: .+ shift/reduce conflicts "]),
{'category': 'yacc', 'severity': Severity.SKIP,
'description': 'yacc: fix-its can be applied',
'patterns': [r".*\.yy?: warning: fix-its can be applied."]},
# Rust warnings
rust(Severity.HIGH, 'Does not derive Copy', '.+ does not derive Copy'),
rust(Severity.MEDIUM, '... are deprecated',
('(.+ are deprecated$|' +
'use of deprecated item .* (use .* instead|is now preferred))')),
rust(Severity.MEDIUM, 'never used', '.* is never used:'),
rust(Severity.MEDIUM, 'unused import', 'unused import: '),
rust(Severity.MEDIUM, 'unnecessary attribute',
'.+ no longer requires an attribute'),
rust(Severity.MEDIUM, 'unnecessary parentheses',
'unnecessary parentheses around'),
# Catch all RenderScript warnings
{'category': 'RenderScript', 'severity': Severity.LOW,
'description': 'RenderScript warnings',
'patterns': [r'.*\.rscript:.*: warning: ']},
# Broken/partial warning messages will be skipped.
{'category': 'Misc', 'severity': Severity.SKIP,
'description': 'skip, ,',
'patterns': [r".*: warning: ,?$"]},
{'category': 'C/C++', 'severity': Severity.SKIP,
'description': 'skip, In file included from ...',
'patterns': [r".*: warning: In file included from .+,"]},
# catch-all for warnings this script doesn't know about yet
{'category': 'C/C++', 'severity': Severity.UNMATCHED,
'description': 'Unclassified/unrecognized warnings',
'patterns': [r".*: warning: .+"]},
]
compile_patterns(warn_patterns)