| # 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 for C/C++ compiler, but not clang-tidy.""" |
| |
| # No need of doc strings for trivial small functions. |
| # pylint:disable=missing-function-docstring |
| |
| import re |
| |
| # pylint:disable=relative-beyond-top-level |
| from .severity import Severity |
| |
| |
| def cpp_warn(severity, description, pattern_list): |
| return { |
| 'category': 'C/C++', |
| 'severity': severity, |
| 'description': description, |
| 'patterns': pattern_list |
| } |
| |
| |
| def fixmenow(description, pattern_list): |
| return cpp_warn(Severity.FIXMENOW, description, pattern_list) |
| |
| |
| def high(description, pattern_list): |
| return cpp_warn(Severity.HIGH, description, pattern_list) |
| |
| |
| def medium(description, pattern_list): |
| return cpp_warn(Severity.MEDIUM, description, pattern_list) |
| |
| |
| def low(description, pattern_list): |
| return cpp_warn(Severity.LOW, description, pattern_list) |
| |
| |
| def skip(description, pattern_list): |
| return cpp_warn(Severity.SKIP, description, pattern_list) |
| |
| |
| def harmless(description, pattern_list): |
| return cpp_warn(Severity.HARMLESS, description, pattern_list) |
| |
| |
| warn_patterns = [ |
| # pylint does not recognize g-inconsistent-quotes |
| # pylint:disable=line-too-long,bad-option-value,g-inconsistent-quotes |
| medium('Implicit function declaration', |
| [r".*: warning: implicit declaration of function .+", |
| r".*: warning: implicitly declaring library function"]), |
| skip('skip, conflicting types for ...', |
| [r".*: warning: conflicting types for '.+'"]), |
| high('Expression always evaluates to true or false', |
| [r".*: warning: comparison is always .+ due to limited range of data type", |
| r".*: warning: comparison of unsigned .*expression .+ is always true", |
| r".*: warning: comparison of unsigned .*expression .+ is always false"]), |
| high('Use transient memory for control value', |
| [r".*: warning: .+Using such transient memory for the control value is .*dangerous."]), |
| high('Return address of stack memory', |
| [r".*: warning: Address of stack memory .+ returned to caller", |
| r".*: warning: Address of stack memory .+ will be a dangling reference"]), |
| high('Infinite recursion', |
| [r".*: warning: all paths through this function will call itself"]), |
| high('Potential buffer overflow', |
| [r".*: warning: Size argument is greater than .+ the destination buffer", |
| r".*: warning: Potential buffer overflow.", |
| r".*: warning: String copy function overflows destination buffer"]), |
| medium('Incompatible pointer types', |
| [r".*: warning: assignment from incompatible pointer type", |
| r".*: warning: return from incompatible pointer type", |
| r".*: warning: passing argument [0-9]+ of '.*' from incompatible pointer type", |
| r".*: warning: initialization from incompatible pointer type"]), |
| high('Incompatible declaration of built in function', |
| [r".*: warning: incompatible implicit declaration of built-in function .+"]), |
| high('Incompatible redeclaration of library function', |
| [r".*: warning: incompatible redeclaration of library function .+"]), |
| high('Null passed as non-null argument', |
| [r".*: warning: Null passed to a callee that requires a non-null"]), |
| medium('Unused parameter', |
| [r".*: warning: unused parameter '.*'"]), |
| medium('Unused function, variable, label, comparison, etc.', |
| [r".*: warning: '.+' defined but not used", |
| r".*: warning: unused function '.+'", |
| r".*: warning: unused label '.+'", |
| r".*: warning: relational comparison result unused", |
| r".*: warning: lambda capture .* is not used", |
| r".*: warning: private field '.+' is not used", |
| r".*: warning: unused variable '.+'"]), |
| medium('Statement with no effect or result unused', |
| [r".*: warning: statement with no effect", |
| r".*: warning: expression result unused"]), |
| medium('Ignoreing return value of function', |
| [r".*: warning: ignoring return value of function .+Wunused-result"]), |
| medium('Missing initializer', |
| [r".*: warning: missing initializer"]), |
| medium('Need virtual destructor', |
| [r".*: warning: delete called .* has virtual functions but non-virtual destructor"]), |
| skip('skip, near initialization for ...', |
| [r".*: warning: \(near initialization for '.+'\)"]), |
| medium('Expansion of data or time macro', |
| [r".*: warning: expansion of date or time macro is not reproducible"]), |
| medium('Macro expansion has undefined behavior', |
| [r".*: warning: macro expansion .* has undefined behavior"]), |
| medium('Format string does not match arguments', |
| [r".*: warning: format '.+' expects type '.+', but argument [0-9]+ has type '.+'", |
| r".*: warning: more '%' conversions than data arguments", |
| r".*: warning: data argument not used by format string", |
| r".*: warning: incomplete format specifier", |
| r".*: warning: unknown conversion type .* in format", |
| r".*: warning: format .+ expects .+ but argument .+Wformat=", |
| r".*: warning: field precision should have .+ but argument has .+Wformat", |
| r".*: warning: format specifies type .+ but the argument has .*type .+Wformat"]), |
| medium('Too many arguments for format string', |
| [r".*: warning: too many arguments for format"]), |
| medium('Too many arguments in call', |
| [r".*: warning: too many arguments in call to "]), |
| medium('Invalid format specifier', |
| [r".*: warning: invalid .+ specifier '.+'.+format-invalid-specifier"]), |
| medium('Comparison between signed and unsigned', |
| [r".*: warning: comparison between signed and unsigned", |
| r".*: warning: comparison of promoted \~unsigned with unsigned", |
| r".*: warning: signed and unsigned type in conditional expression"]), |
| medium('Comparison between enum and non-enum', |
| [r".*: warning: enumeral and non-enumeral type in conditional expression"]), |
| medium('libpng: zero area', |
| [r".*libpng warning: Ignoring attempt to set cHRM RGB triangle with zero area"]), |
| medium('Missing braces around initializer', |
| [r".*: warning: missing braces around initializer.*"]), |
| harmless('No newline at end of file', |
| [r".*: warning: no newline at end of file"]), |
| harmless('Missing space after macro name', |
| [r".*: warning: missing whitespace after the macro name"]), |
| low('Cast increases required alignment', |
| [r".*: warning: cast from .* to .* increases required alignment .*"]), |
| medium('Qualifier discarded', |
| [r".*: warning: passing argument [0-9]+ of '.+' discards qualifiers from pointer target type", |
| r".*: warning: assignment discards qualifiers from pointer target type", |
| r".*: warning: passing .+ to parameter of type .+ discards qualifiers", |
| r".*: warning: assigning to .+ from .+ discards qualifiers", |
| r".*: warning: initializing .+ discards qualifiers .+types-discards-qualifiers", |
| r".*: warning: return discards qualifiers from pointer target type"]), |
| medium('Unknown attribute', |
| [r".*: warning: unknown attribute '.+'"]), |
| medium('Attribute ignored', |
| [r".*: warning: '_*packed_*' attribute ignored", |
| r".*: warning: .* not supported .*Wignored-attributes", |
| r".*: warning: attribute declaration must precede definition .+ignored-attributes"]), |
| medium('Visibility problem', |
| [r".*: warning: declaration of '.+' will not be visible outside of this function"]), |
| medium('Visibility mismatch', |
| [r".*: warning: '.+' declared with greater visibility than the type of its field '.+'"]), |
| medium('Shift count greater than width of type', |
| [r".*: warning: (left|right) shift count >= width of type"]), |
| medium('extern <foo> is initialized', |
| [r".*: warning: '.+' initialized and declared 'extern'", |
| r".*: warning: 'extern' variable has an initializer"]), |
| medium('Old style declaration', |
| [r".*: warning: 'static' is not at beginning of declaration"]), |
| medium('Missing return value', |
| [r".*: warning: control reaches end of non-void function"]), |
| medium('Implicit int type', |
| [r".*: warning: type specifier missing, defaults to 'int'", |
| r".*: warning: type defaults to 'int' in declaration of '.+'"]), |
| medium('Main function should return int', |
| [r".*: warning: return type of 'main' is not 'int'"]), |
| medium('Variable may be used uninitialized', |
| [r".*: warning: '.+' may be used uninitialized in this function"]), |
| high('Variable is used uninitialized', |
| [r".*: warning: '.+' is used uninitialized in this function", |
| r".*: warning: variable '.+' is uninitialized when used here"]), |
| medium('ld: possible enum size mismatch', |
| [r".*: warning: .* uses variable-size enums yet the output is to use 32-bit enums; use of enum values across objects may fail"]), |
| medium('Pointer targets differ in signedness', |
| [r".*: warning: pointer targets in initialization differ in signedness", |
| r".*: warning: pointer targets in assignment differ in signedness", |
| r".*: warning: pointer targets in return differ in signedness", |
| r".*: warning: pointer targets in passing argument [0-9]+ of '.+' differ in signedness"]), |
| medium('Assuming overflow does not occur', |
| [r".*: warning: assuming signed overflow does not occur when assuming that .* is always (true|false)"]), |
| medium('Suggest adding braces around empty body', |
| [r".*: warning: suggest braces around empty body in an 'if' statement", |
| r".*: warning: empty body in an if-statement", |
| r".*: warning: suggest braces around empty body in an 'else' statement", |
| r".*: warning: empty body in an else-statement"]), |
| medium('Suggest adding parentheses', |
| [r".*: warning: suggest explicit braces to avoid ambiguous 'else'", |
| r".*: warning: suggest parentheses around arithmetic in operand of '.+'", |
| r".*: warning: suggest parentheses around comparison in operand of '.+'", |
| r".*: warning: logical not is only applied to the left hand side of this comparison", |
| r".*: warning: using the result of an assignment as a condition without parentheses", |
| r".*: warning: .+ has lower precedence than .+ be evaluated first .+Wparentheses", |
| r".*: warning: suggest parentheses around '.+?' .+ '.+?'", |
| r".*: warning: suggest parentheses around assignment used as truth value"]), |
| medium('Static variable used in non-static inline function', |
| [r".*: warning: '.+' is static but used in inline function '.+' which is not static"]), |
| medium('No type or storage class (will default to int)', |
| [r".*: warning: data definition has no type or storage class"]), |
| skip('skip, parameter name (without types) in function declaration', |
| [r".*: warning: parameter names \(without types\) in function declaration"]), |
| medium('Dereferencing <foo> breaks strict aliasing rules', |
| [r".*: warning: dereferencing .* break strict-aliasing rules"]), |
| medium('Cast from pointer to integer of different size', |
| [r".*: warning: cast from pointer to integer of different size", |
| r".*: warning: initialization makes pointer from integer without a cast"]), |
| medium('Cast to pointer from integer of different size', |
| [r".*: warning: cast to pointer from integer of different size"]), |
| medium('Macro redefined', |
| [r".*: warning: '.+' macro redefined"]), |
| skip('skip, ... location of the previous definition', |
| [r".*: warning: this is the location of the previous definition"]), |
| medium('ld: type and size of dynamic symbol are not defined', |
| [r".*: warning: type and size of dynamic symbol `.+' are not defined"]), |
| medium('Pointer from integer without cast', |
| [r".*: warning: assignment makes pointer from integer without a cast"]), |
| medium('Pointer from integer without cast', |
| [r".*: warning: passing argument [0-9]+ of '.+' makes pointer from integer without a cast"]), |
| medium('Integer from pointer without cast', |
| [r".*: warning: assignment makes integer from pointer without a cast"]), |
| medium('Integer from pointer without cast', |
| [r".*: warning: passing argument [0-9]+ of '.+' makes integer from pointer without a cast"]), |
| medium('Integer from pointer without cast', |
| [r".*: warning: return makes integer from pointer without a cast"]), |
| medium('Ignoring pragma', |
| [r".*: warning: ignoring #pragma .+"]), |
| medium('Pragma warning messages', |
| [r".*: warning: .+W#pragma-messages"]), |
| medium('Variable might be clobbered by longjmp or vfork', |
| [r".*: warning: variable '.+' might be clobbered by 'longjmp' or 'vfork'"]), |
| medium('Argument might be clobbered by longjmp or vfork', |
| [r".*: warning: argument '.+' might be clobbered by 'longjmp' or 'vfork'"]), |
| medium('Redundant declaration', |
| [r".*: warning: redundant redeclaration of '.+'"]), |
| skip('skip, previous declaration ... was here', |
| [r".*: warning: previous declaration of '.+' was here"]), |
| high('Enum value not handled in switch', |
| [r".*: warning: .*enumeration value.* not handled in switch.+Wswitch"]), |
| medium('User defined warnings', |
| [r".*: warning: .* \[-Wuser-defined-warnings\]$"]), |
| medium('Taking address of temporary', |
| [r".*: warning: taking address of temporary"]), |
| medium('Taking address of packed member', |
| [r".*: warning: taking address of packed member"]), |
| medium('Pack alignment value is modified', |
| [r".*: warning: .*#pragma pack alignment value is modified.*Wpragma-pack.*"]), |
| medium('Possible broken line continuation', |
| [r".*: warning: backslash and newline separated by space"]), |
| medium('Undefined variable template', |
| [r".*: warning: instantiation of variable .* no definition is available"]), |
| medium('Inline function is not defined', |
| [r".*: warning: inline function '.*' is not defined"]), |
| medium('Excess elements in initializer', |
| [r".*: warning: excess elements in .+ initializer"]), |
| medium('Decimal constant is unsigned only in ISO C90', |
| [r".*: warning: this decimal constant is unsigned only in ISO C90"]), |
| medium('main is usually a function', |
| [r".*: warning: 'main' is usually a function"]), |
| medium('Typedef ignored', |
| [r".*: warning: 'typedef' was ignored in this declaration"]), |
| high('Address always evaluates to true', |
| [r".*: warning: the address of '.+' will always evaluate as 'true'"]), |
| fixmenow('Freeing a non-heap object', |
| [r".*: warning: attempt to free a non-heap object '.+'"]), |
| medium('Array subscript has type char', |
| [r".*: warning: array subscript .+ type 'char'.+Wchar-subscripts"]), |
| medium('Constant too large for type', |
| [r".*: warning: integer constant is too large for '.+' type"]), |
| medium('Constant too large for type, truncated', |
| [r".*: warning: large integer implicitly truncated to unsigned type"]), |
| medium('Overflow in expression', |
| [r".*: warning: overflow in expression; .*Winteger-overflow"]), |
| medium('Overflow in implicit constant conversion', |
| [r".*: warning: overflow in implicit constant conversion"]), |
| medium('Declaration does not declare anything', |
| [r".*: warning: declaration 'class .+' does not declare anything"]), |
| medium('Initialization order will be different', |
| [r".*: warning: '.+' will be initialized after", |
| r".*: warning: field .+ will be initialized after .+Wreorder"]), |
| skip('skip, ....', |
| [r".*: warning: '.+'"]), |
| skip('skip, base ...', |
| [r".*: warning: base '.+'"]), |
| skip('skip, when initialized here', |
| [r".*: warning: when initialized here"]), |
| medium('Parameter type not specified', |
| [r".*: warning: type of '.+' defaults to 'int'"]), |
| medium('Missing declarations', |
| [r".*: warning: declaration does not declare anything"]), |
| medium('Missing noreturn', |
| [r".*: warning: function '.*' could be declared with attribute 'noreturn'"]), |
| medium('User warning', |
| [r".*: warning: #warning \".+\""]), |
| medium('Vexing parsing problem', |
| [r".*: warning: empty parentheses interpreted as a function declaration"]), |
| medium('Dereferencing void*', |
| [r".*: warning: dereferencing 'void \*' pointer"]), |
| medium('Comparison of pointer and integer', |
| [r".*: warning: ordered comparison of pointer with integer zero", |
| r".*: warning: .*comparison between pointer and integer"]), |
| medium('Use of error-prone unary operator', |
| [r".*: warning: use of unary operator that may be intended as compound assignment"]), |
| medium('Conversion of string constant to non-const char*', |
| [r".*: warning: deprecated conversion from string constant to '.+'"]), |
| medium('Function declaration isn''t a prototype', |
| [r".*: warning: function declaration isn't a prototype"]), |
| medium('Type qualifiers ignored on function return value', |
| [r".*: warning: type qualifiers ignored on function return type", |
| r".*: warning: .+ type qualifier .+ has no effect .+Wignored-qualifiers"]), |
| medium('<foo> declared inside parameter list, scope limited to this definition', |
| [r".*: warning: '.+' declared inside parameter list"]), |
| skip('skip, its scope is only this ...', |
| [r".*: warning: its scope is only this definition or declaration, which is probably not what you want"]), |
| low('Line continuation inside comment', |
| [r".*: warning: multi-line comment"]), |
| low('Comment inside comment', |
| [r".*: warning: '.+' within block comment .*-Wcomment"]), |
| low('Deprecated declarations', |
| [r".*: warning: .+ is deprecated.+deprecated-declarations"]), |
| low('Deprecated register', |
| [r".*: warning: 'register' storage class specifier is deprecated"]), |
| low('Converts between pointers to integer types with different sign', |
| [r".*: warning: .+ converts between pointers to integer types with different sign"]), |
| harmless('Extra tokens after #endif', |
| [r".*: warning: extra tokens at end of #endif directive"]), |
| medium('Comparison between different enums', |
| [r".*: warning: comparison between '.+' and '.+'.+Wenum-compare", |
| r".*: warning: comparison of .* enumeration types .*-Wenum-compare.*"]), |
| medium('Conversion may change value', |
| [r".*: warning: converting negative value '.+' to '.+'", |
| r".*: warning: conversion to '.+' .+ may (alter|change)"]), |
| medium('Converting to non-pointer type from NULL', |
| [r".*: warning: converting to non-pointer type '.+' from NULL"]), |
| medium('Implicit sign conversion', |
| [r".*: warning: implicit conversion changes signedness"]), |
| medium('Converting NULL to non-pointer type', |
| [r".*: warning: implicit conversion of NULL constant to '.+'"]), |
| medium('Zero used as null pointer', |
| [r".*: warning: expression .* zero treated as a null pointer constant"]), |
| medium('Compare pointer to null character', |
| [r".*: warning: comparing a pointer to a null character constant"]), |
| medium('Implicit conversion changes value or loses precision', |
| [r".*: warning: implicit conversion .* changes value from .* to .*-conversion", |
| r".*: warning: implicit conversion loses integer precision:"]), |
| medium('Passing NULL as non-pointer argument', |
| [r".*: warning: passing NULL to non-pointer argument [0-9]+ of '.+'"]), |
| medium('Class seems unusable because of private ctor/dtor', |
| [r".*: warning: all member functions in class '.+' are private"]), |
| # skip this next one, because it only points out some RefBase-based classes |
| # where having a private destructor is perfectly fine |
| skip('Class seems unusable because of private ctor/dtor', |
| [r".*: warning: 'class .+' only defines a private destructor and has no friends"]), |
| medium('Class seems unusable because of private ctor/dtor', |
| [r".*: warning: 'class .+' only defines private constructors and has no friends"]), |
| medium('In-class initializer for static const float/double', |
| [r".*: warning: in-class initializer for static data member of .+const (float|double)"]), |
| medium('void* used in arithmetic', |
| [r".*: warning: pointer of type 'void \*' used in (arithmetic|subtraction)", |
| r".*: warning: arithmetic on .+ to void is a GNU extension.*Wpointer-arith", |
| r".*: warning: wrong type argument to increment"]), |
| medium('Overload resolution chose to promote from unsigned or enum to signed type', |
| [r".*: warning: passing '.+' chooses '.+' over '.+'.*Wsign-promo"]), |
| skip('skip, in call to ...', |
| [r".*: warning: in call to '.+'"]), |
| high('Base should be explicitly initialized in copy constructor', |
| [r".*: warning: base class '.+' should be explicitly initialized in the copy constructor"]), |
| medium('Return value from void function', |
| [r".*: warning: 'return' with a value, in function returning void"]), |
| medium('Multi-character character constant', |
| [r".*: warning: multi-character character constant"]), |
| medium('Conversion from string literal to char*', |
| [r".*: warning: .+ does not allow conversion from string literal to 'char \*'"]), |
| low('Extra \';\'', |
| [r".*: warning: extra ';' .+extra-semi"]), |
| low('Useless specifier', |
| [r".*: warning: useless storage class specifier in empty declaration"]), |
| low('Duplicate declaration specifier', |
| [r".*: warning: duplicate '.+' declaration specifier"]), |
| low('Comparison of self is always false', |
| [r".*: self-comparison always evaluates to false"]), |
| low('Logical op with constant operand', |
| [r".*: use of logical '.+' with constant operand"]), |
| low('Needs a space between literal and string macro', |
| [r".*: warning: invalid suffix on literal.+ requires a space .+Wliteral-suffix"]), |
| low('Warnings from #warning', |
| [r".*: warning: .+-W#warnings"]), |
| low('Using float/int absolute value function with int/float argument', |
| [r".*: warning: using .+ absolute value function .+ when argument is .+ type .+Wabsolute-value", |
| r".*: warning: absolute value function '.+' given .+ which may cause truncation .+Wabsolute-value"]), |
| low('Using C++11 extensions', |
| [r".*: warning: 'auto' type specifier is a C\+\+11 extension"]), |
| low('Using C++17 extensions', |
| [r".*: warning: .* a C\+\+17 extension .+Wc\+\+17-extensions"]), |
| low('Refers to implicitly defined namespace', |
| [r".*: warning: using directive refers to implicitly-defined namespace .+"]), |
| low('Invalid pp token', |
| [r".*: warning: missing .+Winvalid-pp-token"]), |
| low('need glibc to link', |
| [r".*: warning: .* requires at runtime .* glibc .* for linking"]), |
| medium('Operator new returns NULL', |
| [r".*: warning: 'operator new' must not return NULL unless it is declared 'throw\(\)' .+"]), |
| medium('NULL used in arithmetic', |
| [r".*: warning: NULL used in arithmetic", |
| r".*: warning: comparison between NULL and non-pointer"]), |
| medium('Misspelled header guard', |
| [r".*: warning: '.+' is used as a header guard .+ followed by .+ different macro"]), |
| medium('Empty loop body', |
| [r".*: warning: .+ loop has empty body"]), |
| medium('Implicit conversion from enumeration type', |
| [r".*: warning: implicit conversion from enumeration type '.+'"]), |
| medium('case value not in enumerated type', |
| [r".*: warning: case value not in enumerated type '.+'"]), |
| medium('Use of deprecated method', |
| [r".*: warning: '.+' is deprecated .+"]), |
| medium('Use of garbage or uninitialized value', |
| [r".*: warning: .+ uninitialized .+\[-Wsometimes-uninitialized\]"]), |
| medium('Sizeof on array argument', |
| [r".*: warning: sizeof on array function parameter will return"]), |
| medium('Bad argument size of memory access functions', |
| [r".*: warning: .+\[-Wsizeof-pointer-memaccess\]"]), |
| medium('Return value not checked', |
| [r".*: warning: The return value from .+ is not checked"]), |
| medium('Possible heap pollution', |
| [r".*: warning: .*Possible heap pollution from .+ type .+"]), |
| medium('Variable used in loop condition not modified in loop body', |
| [r".*: warning: variable '.+' used in loop condition.*Wfor-loop-analysis"]), |
| medium('Closing a previously closed file', |
| [r".*: warning: Closing a previously closed file"]), |
| medium('Unnamed template type argument', |
| [r".*: warning: template argument.+Wunnamed-type-template-args"]), |
| medium('Unannotated fall-through between switch labels', |
| [r".*: warning: unannotated fall-through between switch labels.+Wimplicit-fallthrough"]), |
| medium('Invalid partial specialization', |
| [r".*: warning: class template partial specialization.+Winvalid-partial-specialization"]), |
| medium('Overlapping comparisons', |
| [r".*: warning: overlapping comparisons.+Wtautological-overlap-compare"]), |
| medium('bitwise comparison', |
| [r".*: warning: bitwise comparison.+Wtautological-bitwise-compare"]), |
| medium('int in bool context', |
| [r".*: warning: converting.+to a boolean.+Wint-in-bool-context"]), |
| medium('bitwise conditional parentheses', |
| [r".*: warning: operator.+has lower precedence.+Wbitwise-conditional-parentheses"]), |
| medium('sizeof array div', |
| [r".*: warning: .+number of elements in.+array.+Wsizeof-array-div"]), |
| medium('bool operation', |
| [r".*: warning: .+boolean.+always.+Wbool-operation"]), |
| medium('Undefined bool conversion', |
| [r".*: warning: .+may be.+always.+true.+Wundefined-bool-conversion"]), |
| medium('Typedef requires a name', |
| [r".*: warning: typedef requires a name.+Wmissing-declaration"]), |
| medium('Unknown escape sequence', |
| [r".*: warning: unknown escape sequence.+Wunknown-escape-sequence"]), |
| medium('Unicode whitespace', |
| [r".*: warning: treating Unicode.+as whitespace.+Wunicode-whitespace"]), |
| medium('Unused local typedef', |
| [r".*: warning: unused typedef.+Wunused-local-typedef"]), |
| medium('varargs warnings', |
| [r".*: warning: .*argument to 'va_start'.+\[-Wvarargs\]"]), |
| harmless('Discarded qualifier from pointer target type', |
| [r".*: warning: .+ discards '.+' qualifier from pointer target type"]), |
| harmless('Use snprintf instead of sprintf', |
| [r".*: warning: .*sprintf is often misused; please use snprintf"]), |
| harmless('Unsupported optimizaton flag', |
| [r".*: warning: optimization flag '.+' is not supported"]), |
| harmless('Extra or missing parentheses', |
| [r".*: warning: equality comparison with extraneous parentheses", |
| r".*: warning: .+ within .+Wlogical-op-parentheses"]), |
| harmless('Mismatched class vs struct tags', |
| [r".*: warning: '.+' defined as a .+ here but previously declared as a .+mismatched-tags", |
| r".*: warning: .+ was previously declared as a .+mismatched-tags"]), |
| ] |
| |
| |
| def compile_patterns(patterns): |
| """Precompiling every pattern speeds up parsing by about 30x.""" |
| for i in patterns: |
| i['compiled_patterns'] = [] |
| for pat in i['patterns']: |
| i['compiled_patterns'].append(re.compile(pat)) |
| |
| |
| compile_patterns(warn_patterns) |
