cppcheck/addons/cppcheckdata.py at main · cppcheck-opensource/cppcheck · GitHub

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"""

cppcheckdata

This is a Python module that helps you access Cppcheck dump data.

License: No restrictions, use this as you need.

"""

import argparse

import json

import os

import sys

import subprocess

try:

import pathlib

except ImportError:

message = "Failed to load pathlib. Upgrade Python to 3.x or install pathlib with 'pip install pathlib'."

error_id = 'pythonError'

if '--cli' in sys.argv:

msg = { 'file': '',

'linenr': 0,

'column': 0,

'severity': 'error',

'message': message,

'addon': 'cppcheckdata',

'errorId': error_id,

'extra': ''}

sys.stdout.write(json.dumps(msg) + '\n')

else:

sys.stderr.write('%s [%s]\n' % (message, error_id))

sys.exit(1)

from xml.etree import ElementTree

from fnmatch import fnmatch

EXIT_CODE = 0

current_dumpfile_suppressions = []

def _load_location(location, element):

"""Load location from element/dict"""

location.file = element.get('file')

line = element.get('line')

if line is None:

line = element.get('linenr')

if line is None:

line = '0'

location.linenr = int(line)

location.column = int(element.get('column', '0'))

class Location:

"""Utility location class"""

file = None

linenr = None

column = None

def __init__(self, element):

_load_location(self, element)

class Directive:

"""

Directive class. Contains information about each preprocessor directive in the source code.

Attributes:

str The directive line, with all C or C++ comments removed

file Name of (possibly included) file where directive is defined

linenr Line number in (possibly included) file where directive is defined

To iterate through all directives use such code:

@code

data = cppcheckdata.parsedump(...)

for cfg in data.configurations:

for directive in cfg.directives:

print(directive.str)

@endcode

"""

#preprocessor.cpp/Preprocessor::dump

str = None

file = None

linenr = None

column = None

def __init__(self, element):

self.str = element.get('str')

_load_location(self, element)

def __repr__(self):

attrs = ["str", "file", "linenr"]

return "{}({})".format(

"Directive",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

class MacroUsage:

"""

Tracks preprocessor macro usage

Attributes:

name Name of the macro

usefile

useline

usecolumn

isKnownValue

"""

#preprocessor.cpp/Preprocessor::dump

name = None # Macro name

file = None

linenr = None

column = None

usefile = None

uselinenr = None

usecolumn = None

def __init__(self, element):

self.name = element.get('name')

_load_location(self, element)

self.usefile = element.get('usefile')

self.useline = element.get('useline')

self.usecolumn = element.get('usecolumn')

self.isKnownValue = element.get('is-known-value', 'false') == 'true'

def __repr__(self):

attrs = ["name", "file", "linenr", "column", "usefile", "useline", "usecolumn", "isKnownValue"]

return "{}({})".format(

"MacroUsage",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

class PreprocessorIfCondition:

"""

Information about #if/#elif conditions

Attributes:

result

"""

#preprocessor.cpp/Preprocessor::dump

file = None

linenr = None

column = None

E = None

result = None

def __init__(self, element):

_load_location(self, element)

self.E = element.get('E')

self.result = int(element.get('result'))

def __repr__(self):

attrs = ["file", "linenr", "column", "E", "result"]

return "{}({})".format(

"PreprocessorIfCondition",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

class ValueType:

"""

ValueType class. Contains (promoted) type information for each node in the AST.

Attributes:

type nonstd/pod/record/smart-pointer/container/iterator/void/bool/char/short/wchar_t/int/long/long long/unknown int/float/double/long double

sign signed/unsigned

bits bit count for bit-fields, otherwise None

pointer

constness

reference

typeScopeId

originalTypeName bool/const char */long/char */size_t/int/double/std::string/..

"""

#symboldatabase.cpp/ValueType::dump

type = None

sign = None

bits = None

constness = 0

pointer = 0

typeScopeId = None

typeScope = None

originalTypeName = None

def __init__(self, element):

self.type = element.get('valueType-type')

self.sign = element.get('valueType-sign')

self.bits = element.get('valueType-bits', None)

self.bits = int(self.bits) if self.bits else None

self.pointer = int(element.get('valueType-pointer', 0))

self.constness = int(element.get('valueType-constness', 0))

self.reference = element.get('valueType-reference')

self.typeScopeId = element.get('valueType-typeScope')

self.originalTypeName = element.get('valueType-originalTypeName')

#valueType-containerId TODO add

def __repr__(self):

attrs = ["type", "sign", "bits", "typeScopeId", "originalTypeName",

"constness", "pointer"]

return "{}({})".format(

"ValueType",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def setId(self, IdMap):

self.typeScope = IdMap[self.typeScopeId]

def isIntegral(self):

return self.type in {'bool', 'char', 'short', 'int', 'long', 'long long'}

def isFloat(self):

return self.type in {'float', 'double', 'long double'}

def isEnum(self):

return self.typeScope and self.typeScope.type == "Enum"

class Token:

"""

Token class. Contains information about each token in the source code.

The CppcheckData.tokenlist is a list of Token items

C++ class: https://cppcheck.sourceforge.io/devinfo/doxyoutput/classToken.html

Attributes:

str Token string

next Next token in tokenlist. For last token, next is None.

previous Previous token in tokenlist. For first token, previous is None.

link Linked token in tokenlist. Each '(', '[' and '{' are linked to the

corresponding '}', ']' and ')'. For templates, the '<' is linked to

the corresponding '>'.

scope Scope information for this token. See the Scope class.

type Type information: name/op/number/string/..

isName Is this token a symbol name

isUnsigned Is this token a unsigned type

isSigned Is this token a signed type

isNumber Is this token a number, for example 123, 12.34

isInt Is this token a int value such as 1234

isFloat Is this token a float value such as 12.34

isString Is this token a string literal such as "hello"

strlen string length for string literal

isChar Is this token a char literal such as 'x'

isBoolean Is this token a boolean

isOp Is this token a operator

isArithmeticalOp Is this token a arithmetic operator

isAssignmentOp Is this token a assignment operator

isComparisonOp Is this token a comparison operator

isLogicalOp Is this token a logical operator: && ||

isCast

externLang

isExpandedMacro Is this token a expanded macro token

macroName Macro name that this token is expanded from

isRemovedVoidParameter Has void parameter been removed?

isSplittedVarDeclComma Is this a comma changed to semicolon in a split variable declaration ('int a,b;' => 'int a; int b;')

isSplittedVarDeclEq Is this a '=' changed to semicolon in a split variable declaration ('int a=5;' => 'int a; a=5;')

isImplicitInt Is this token an implicit "int"?

isComplex

isRestrict

isAttributeExport

isAnonymous

varId varId for token, each variable has a unique non-zero id

exprId exprId for token, each expression has a unique non-zero id

variable Variable information for this token. See the Variable class.

function If this token points at a function call, this attribute has the Function

information. See the Function class.

values Possible/Known values of token

typeScope type scope (token->type()->classScope)

astParent ast parent

astOperand1 ast operand1

astOperand2 ast operand2

orriginalName original name of the token

valueType type information: container/..

file file name

linenr line number

column column

To iterate through all tokens use such code:

@code

data = cppcheckdata.parsedump(...)

for cfg in data.configurations:

code = ''

for token in cfg.tokenlist:

code = code + token.str + ' '

print(code)

@endcode

"""

#tokenize.cpp/Tokenizer::dump

Id = None

str = None

next = None

previous = None

linkId = None

link = None

scopeId = None

scope = None

isName = False

isNumber = False

isInt = False

isFloat = False

isString = False

strlen = None

isChar = False

isBoolean = False

isOp = False

isArithmeticalOp = False

isAssignmentOp = False

isComparisonOp = False

isLogicalOp = False

isCast = False

isUnsigned = False

isSigned = False

macroName = None

isExpandedMacro = False

isRemovedVoidParameter = False

isSplittedVarDeclComma = False

isSplittedVarDeclEq = False

isImplicitInt = False

isComplex = False

isRestrict = False

isAttributeExport = False

isAnonymous = False

exprId = None

varId = None

variableId = None

variable = None

functionId = None

function = None

valuesId = None

values = None

impossible_values = None

valueType = None

typeScopeId = None

typeScope = None

type = None

astParentId = None

astParent = None

astOperand1Id = None

astOperand1 = None

astOperand2Id = None

astOperand2 = None

file = None

linenr = None

column = None

def __init__(self, element):

self.Id = element.get('id')

self.str = element.get('str')

self.next = None

self.previous = None

self.scopeId = element.get('scope')

self.scope = None

self.type = element.get('type')

if self.type == 'name':

self.isName = True

if element.get('isUnsigned'):

self.isUnsigned = True

if element.get('isSigned'):

self.isSigned = True

elif self.type == 'number':

self.isNumber = True

if element.get('isInt'):

self.isInt = True

elif element.get('isFloat'):

self.isFloat = True

elif self.type == 'string':

self.isString = True

self.strlen = int(element.get('strlen'))

elif self.type == 'char':

self.isChar = True

elif self.type == 'boolean':

self.isBoolean = True

elif self.type == 'op':

self.isOp = True

if element.get('isArithmeticalOp'):

self.isArithmeticalOp = True

elif element.get('isAssignmentOp'):

self.isAssignmentOp = True

elif element.get('isComparisonOp'):

self.isComparisonOp = True

elif element.get('isLogicalOp'):

self.isLogicalOp = True

if element.get('isCast'):

self.isCast = True

self.externLang = element.get('externLang')

self.macroName = element.get('macroName')

if self.macroName or element.get('isExpandedMacro'):

self.isExpandedMacro = True

if element.get('isRemovedVoidParameter'):

self.isRemovedVoidParameter = True

if element.get('isSplittedVarDeclComma'):

self.isSplittedVarDeclComma = True

if element.get('isSplittedVarDeclEq'):

self.isSplittedVarDeclEq = True

if element.get('isImplicitInt'):

self.isImplicitInt = True

if element.get('isComplex'):

self.isComplex = True

if element.get('isRestrict'):

self.isRestrict = True

if element.get('isAttributeExport'):

self.isAttributeExport = True

if element.get('isAnonymous'):

self.isAnonymous = True

self.linkId = element.get('link')

self.link = None

if element.get('varId'):

self.varId = int(element.get('varId'))

if element.get('exprId'):

self.exprId = int(element.get('exprId'))

self.variableId = element.get('variable')

self.variable = None

self.functionId = element.get('function')

self.function = None

self.valuesId = element.get('values')

self.values = None

self.typeScopeId = element.get('type-scope')

self.typeScope = None

self.astParentId = element.get('astParent')

self.astParent = None

self.astOperand1Id = element.get('astOperand1')

self.astOperand1 = None

self.astOperand2Id = element.get('astOperand2')

self.astOperand2 = None

self.originalName = element.get('originalName')

if element.get('valueType-type'):

self.valueType = ValueType(element)

else:

self.valueType = None

_load_location(self, element)

def __repr__(self):

attrs = ["Id", "str", "scopeId", "isName", "isUnsigned", "isSigned",

"isNumber", "isInt", "isFloat", "isString", "strlen",

"isChar", "isBoolean", "isOp", "isArithmeticalOp", "isAssignmentOp",

"isComparisonOp", "isLogicalOp", "isCast", "externLang", "isExpandedMacro",

"isRemovedVoidParameter", "isSplittedVarDeclComma", "isSplittedVarDeclEq",

"isImplicitInt", "isComplex", "isRestrict", "isAttributeExport", "isAnonymous", "linkId",

"varId", "variableId", "functionId", "valuesId", "valueType",

"typeScopeId", "astParentId", "astOperand1Id", "file",

"linenr", "column"]

return "{}({})".format(

"Token",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def setId(self, IdMap):

self.scope = IdMap[self.scopeId]

self.link = IdMap[self.linkId]

self.variable = IdMap[self.variableId]

self.function = IdMap[self.functionId]

self.values = []

self.impossible_values = []

if IdMap[self.valuesId]:

for v in IdMap[self.valuesId]:

if v.isImpossible():

self.impossible_values.append(v)

else:

self.values.append(v)

v.setId(IdMap)

self.typeScope = IdMap[self.typeScopeId]

self.astParent = IdMap[self.astParentId]

self.astOperand1 = IdMap[self.astOperand1Id]

self.astOperand2 = IdMap[self.astOperand2Id]

if self.valueType:

self.valueType.setId(IdMap)

def getValue(self, v):

"""

Get value if it exists

Returns None if it doesn't exist

"""

if not self.values:

return None

for value in self.values:

if value.intvalue == v:

return value

return None

def getKnownIntValue(self):

"""

If token has a known int value then return that.

Otherwise returns None

"""

if not self.values:

return None

for value in self.values:

if value.valueKind == 'known':

return value.intvalue

return None

def isUnaryOp(self, op):

return self.astOperand1 and (self.astOperand2 is None) and self.str == op

def isBinaryOp(self):

return self.astOperand1 and self.astOperand2

def forward(self, end=None):

token = self

while token and token != end:

yield token

token = token.next

def backward(self, start=None):

token = self

while token and token != start:

yield token

token = token.previous

def astParents(self):

token = self

while token and token.astParent:

token = token.astParent

yield token

def astTop(self):

top = None

for parent in self.astParents():

top = parent

return top

def tokAt(self, n):

tl = self.forward()

if n < 0:

tl = self.backward()

n = -n

for i, t in enumerate(tl):

if i == n:

return t

return None

def linkAt(self, n):

token = self.tokAt(n)

if token:

return token.link

return None

class Scope:

"""

Scope. Information about global scope, function scopes, class scopes, inner scopes, etc.

C++ class: https://cppcheck.sourceforge.io/devinfo/doxyoutput/classScope.html

Attributes

bodyStart The { Token for this scope

bodyEnd The } Token for this scope

className Name of this scope.

For a function scope, this is the function name;

For a class scope, this is the class name.

function If this scope belongs at a function call, this attribute

has the Function information. See the Function class.

functions if this is a Class type, it may have functions defined

nestedIn

type Type of scope: Function, If/Else/For/While/Switch/Global/Enum/Struct/Namespace/Class/Constructor/Destructor

isExecutable True when the type is: Function/If/Else/For/While/Do/Switch/Try/Catch/Unconditional/Lambda

definedType

"""

#symboldatabase.cpp/SymbolDatabase::printXml

Id = None

bodyStartId = None

bodyStart = None

bodyEndId = None

bodyEnd = None

className = None

functionId = None

function = None

nestedInId = None

nestedIn = None

nestedList = None

type = None

isExecutable = None

varlistId = None

varlist = None

def __init__(self, element):

self.Id = element.get('id')

self.className = element.get('className')

self.functionId = element.get('function')

self.function = None

self.functions = []

self.bodyStartId = element.get('bodyStart')

self.bodyStart = None

self.bodyEndId = element.get('bodyEnd')

self.bodyEnd = None

self.nestedInId = element.get('nestedIn')

self.nestedIn = None

self.nestedList = []

self.type = element.get('type')

self.definedType = element.get('definedType')

self.isExecutable = (self.type in ('Function', 'If', 'Else', 'For', 'While', 'Do',

'Switch', 'Try', 'Catch', 'Unconditional', 'Lambda'))

self.varlistId = []

self.varlist = []

def __repr__(self):

attrs = ["Id", "className", "functionId", "bodyStartId", "bodyEndId",

"nestedInId", "nestedIn", "type", "definedType", "isExecutable", "functions"]

return "{}({})".format(

"Scope",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def setId(self, IdMap):

self.bodyStart = IdMap[self.bodyStartId]

self.bodyEnd = IdMap[self.bodyEndId]

self.nestedIn = IdMap[self.nestedInId]

if self.nestedIn:

self.nestedIn.nestedList.append(self)

self.function = IdMap[self.functionId]

for v in self.varlistId:

value = IdMap.get(v)

if value:

self.varlist.append(value)

class Function:

"""

Information about a function

C++ class:

https://cppcheck.sourceforge.io/devinfo/doxyoutput/classFunction.html

Attributes

argument Argument list (dict of argument number and variable)

token Token in function implementation

tokenDef Token in function definition

name

type Constructor/CopyConstructor/MoveConstructor/OperatorEqual/Destructor/Function/Lambda/Unknown

hasVirtualSpecifier Is this function is virtual

isImplicitlyVirtual Is this function is virtual this in the base classes

access Public/Protected/Private

isInlineKeyword Is inline keyword used

isStatic Is this function static

isAttributeNoreturn

overriddenFunction

"""

#symboldatabase.cpp/SymbolDatabase::printXml

Id = None

argument = None

argumentId = None

token = None

tokenId = None

tokenDef = None

tokenDefId = None

name = None

type = None

access = None

isImplicitlyVirtual = None

hasVirtualSpecifier = None

isInlineKeyword = None

isStatic = None

isAttributeNoreturn = None

overriddenFunction = None

nestedIn = None

def __init__(self, element, nestedIn):

self.Id = element.get('id')

self.tokenId = element.get('token')

self.tokenDefId = element.get('tokenDef')

self.name = element.get('name')

self.type = element.get('type')

self.hasVirtualSpecifier = element.get('hasVirtualSpecifier', 'false') == 'true'

self.isImplicitlyVirtual = element.get('isImplicitlyVirtual', 'false') == 'true'

self.access = element.get('access')

self.isInlineKeyword = element.get('isInlineKeyword', 'false') == 'true'

self.isStatic = element.get('isStatic', 'false') == 'true'

self.isAttributeNoreturn = element.get('isAttributeNoreturn', 'false') == 'true'

self.overriddenFunction = element.get('overriddenFunction', 'false') == 'true'

self.nestedIn = nestedIn

self.argument = {}

self.argumentId = {}

def __repr__(self):

attrs = ["Id", "tokenId", "tokenDefId", "name", "type", "hasVirtualSpecifier",

"isImplicitlyVirtual", "access", "isInlineKeyword", "isStatic",

"isAttributeNoreturn", "overriddenFunction", "nestedIn", "argumentId"]

return "{}({})".format(

"Function",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def setId(self, IdMap):

for argnr, argid in self.argumentId.items():

self.argument[argnr] = IdMap[argid]

self.token = IdMap.get(self.tokenId, None)

self.tokenDef = IdMap[self.tokenDefId]

#todo add class Types:

#symboldatabase.cpp/SymbolDatabase::printXml

class Variable:

"""

Information about a variable

C++ class:

https://cppcheck.sourceforge.io/devinfo/doxyoutput/classVariable.html

Attributes:

nameToken Name token in variable declaration

typeStartToken Start token of variable declaration

typeEndToken End token of variable declaration

access Global/Local/Namespace/Public/Protected/Public/Throw/Argument/Unknown

scope Variable scope

constness Variable constness (same encoding as ValueType::constness)

isArgument Is this variable a function argument?

isGlobal Is this variable a global variable?

isLocal Is this variable a local variable?

isArray Is this variable an array?

isClass Is this variable a class or struct?

isConst Is this variable a const variable?

isExtern Is this variable an extern variable?

isPointer Is this variable a pointer

isReference Is this variable a reference

isStatic Is this variable static?

isVolatile Is this variable volatile?

"""

#symboldatabase.cpp/SymbolDatabase::printXml

Id = None

nameTokenId = None

nameToken = None

typeStartTokenId = None

typeStartToken = None

typeEndTokenId = None

typeEndToken = None

access = None

scopeId = None

scope = None

isArgument = False

isArray = False

isClass = False

isConst = False

isExtern = False

isGlobal = False

isLocal = False

isPointer = False

isReference = False

isStatic = False

isVolatile = False

constness = 0

def __init__(self, element):

self.Id = element.get('id')

self.nameTokenId = element.get('nameToken')

self.nameToken = None

self.typeStartTokenId = element.get('typeStartToken')

self.typeStartToken = None

self.typeEndTokenId = element.get('typeEndToken')

self.typeEndToken = None

self.access = element.get('access')

self.isArgument = (self.access and self.access == 'Argument')

self.isGlobal = (self.access and self.access == 'Global')

self.isLocal = (self.access and self.access == 'Local')

self.scopeId = element.get('scope')

self.scope = None

self.constness = int(element.get('constness',0))

self.isArray = element.get('isArray') == 'true'

self.isClass = element.get('isClass') == 'true'

self.isConst = element.get('isConst') == 'true'

self.isExtern = element.get('isExtern') == 'true'

self.isPointer = element.get('isPointer') == 'true'

self.isReference = element.get('isReference') == 'true'

self.isStatic = element.get('isStatic') == 'true'

self.isVolatile = element.get('isVolatile') == 'true'

def __repr__(self):

attrs = ["Id", "nameTokenId", "typeStartTokenId", "typeEndTokenId",

"access", "scopeId", "isArgument", "isArray", "isClass",

"isConst", "isGlobal", "isExtern", "isLocal", "isPointer",

"isReference", "isStatic", "isVolatile", "constness"]

return "{}({})".format(

"Variable",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def setId(self, IdMap):

self.nameToken = IdMap[self.nameTokenId]

self.typeStartToken = IdMap[self.typeStartTokenId]

self.typeEndToken = IdMap[self.typeEndTokenId]

self.scope = IdMap[self.scopeId]

class Container:

"""

Container class -- information about containers

Attributes:

array-like-index-op true/false

stdStringLike true/false

"""

#tokenizer.cpp/tokenizer::dump

Id = None

def __init__(self, element):

self.Id = element.get('id')

self.arrayLikeIndexOp = element.get('array-like-index-op') == 'true'

self.stdStringLike = element.get('std-string-like') == 'true'

class TypedefInfo:

"""

TypedefInfo class -- information about typedefs

Attributes:

name name of the typedef

used 0/1

"""

#tokenizer.cpp/tokenizer::dump

name = None

used = None

file = None

linenr = None

column = None

def __init__(self, element):

self.name = element.get('name')

_load_location(self, element)

self.used = (element.get('used') == '1')

class Value:

"""

Value class

Attributes:

intvalue integer value

tokvalue token value

floatvalue float value

movedvalue

uninit

containerSize container size

bufferSize buffer size

lifetimeScope Local/Argument/SubFunction/ThisPointer/ThisValue

lifetimeKind Object/SubObject/Lambda/Iterator/Address

symbolicDelta

condition condition where this Value comes from

bound Upper/Lower/Point

valueKind known/possible/impossible/inconclusive

path 0/1/2/3/..

"""

#token.cpp/token::printValueFlow

intvalue = None

tokvalue = None

floatvalue = None

containerSize = None

condition = None

valueKind = None

def isKnown(self):

return self.valueKind and self.valueKind == 'known'

def isPossible(self):

return self.valueKind and self.valueKind == 'possible'

def isImpossible(self):

return self.valueKind and self.valueKind == 'impossible'

def isInconclusive(self):

return self.valueKind and self.valueKind == 'inconclusive'

def __init__(self, element):

self.intvalue = element.get('intvalue')

if self.intvalue:

self.intvalue = int(self.intvalue)

self._tokvalueId = element.get('tokvalue')

self.floatvalue = element.get('floatvalue')

self.movedvalue = element.get('movedvalue')

self.uninit = element.get('uninit')

self.bufferSize = element.get('buffer-size')

self.containerSize = element.get('container-size')

self.iteratorStart = element.get('iterator-start')

self.iteratorEnd = element.get('iterator-end')

self._lifetimeId = element.get('lifetime')

self.lifetimeScope = element.get('lifetime-scope')

self.lifetimeKind = element.get('lifetime-kind')

self._symbolicId = element.get('symbolic')

self.symbolicDelta = element.get('symbolic-delta')

self.bound = element.get('bound')

self.condition = element.get('condition-line')

if self.condition:

self.condition = int(self.condition)

if element.get('known'):

self.valueKind = 'known'

elif element.get('possible'):

self.valueKind = 'possible'

elif element.get('impossible'):

self.valueKind = 'impossible'

elif element.get('inconclusive'):

self.valueKind = 'inconclusive'

self.path = element.get('path')

def setId(self, IdMap):

self.tokvalue = IdMap.get(self._tokvalueId)

self.lifetime = IdMap.get(self._lifetimeId)

self.symbolic = IdMap.get(self._symbolicId)

def __repr__(self):

attrs = ["intvalue", "tokvalue", "floatvalue", "movedvalue", "uninit",

"bufferSize", "containerSize", "condition", "valueKind"]

return "{}({})".format(

"Value",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

class ValueFlow:

"""

ValueFlow::Value class

Each possible value has a ValueFlow::Value item.

Each ValueFlow::Value either has a intvalue or tokvalue

C++ class:

https://cppcheck.sourceforge.io/devinfo/doxyoutput/classValueFlow_1_1Value.html

Attributes:

values Possible values

"""

Id = None

values = None

def __init__(self, element):

self.Id = element.get('id')

self.values = []

def __repr__(self):

attrs = ["Id", "values"]

return "{}({})".format(

"ValueFlow",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

class Suppression:

"""

Suppression class

This class contains a suppression entry to suppress a warning.

Attributes

errorId The id string of the error to suppress, can be a wildcard

fileName The name of the file to suppress warnings for, can include wildcards

lineNumber The number of the line to suppress warnings from, can be 0 to represent any line

symbolName The name of the symbol to match warnings for, can include wildcards

lineBegin The first line to suppress warnings from

lineEnd The last line to suppress warnings from

suppressionType The type of suppression which is applied (unique = None (default), file, block, blockBegin, blockEnd, macro)

"""

errorId = None

fileName = None

lineNumber = None

symbolName = None

lineBegin = None

lineEnd = None

suppressionType = None

def __init__(self, element):

self.errorId = element.get('errorId')

self.fileName = element.get('fileName')

self.lineNumber = element.get('lineNumber')

self.symbolName = element.get('symbolName')

self.lineBegin = element.get('lineBegin')

self.lineEnd = element.get('lineEnd')

self.suppressionType = element.get('type')

def __repr__(self):

attrs = ["errorId", "fileName", "lineNumber", "symbolName", "lineBegin", "lineEnd","suppressionType"]

return "{}({})".format(

"Suppression",

", ".join(("{}={}".format(a, repr(getattr(self, a))) for a in attrs))

)

def isMatch(self, file, line, message, errorId):

# Line Suppression

if ((self.fileName is None or fnmatch(file, self.fileName))

and (self.suppressionType is None) # Verify use of default suppression type (None = unique)

and (self.lineNumber is not None and int(line) == int(self.lineNumber))

and (self.symbolName is None or fnmatch(message, '*'+self.symbolName+'*'))

and fnmatch(errorId, self.errorId)):

return True

# File Suppression

if ((self.fileName is None or fnmatch(file, self.fileName))

and (self.suppressionType is not None and self.suppressionType == "file") # Verify use of file (global) suppression type

and (self.symbolName is None or fnmatch(message, '*'+self.symbolName+'*'))

and fnmatch(errorId, self.errorId)):

return True

# Block Suppression Mode

if ((self.fileName is None or fnmatch(file, self.fileName))

and (self.suppressionType is not None and self.suppressionType == "block") # Type for Block suppression

View remainder of file in raw view

cppcheck/addons/cppcheckdata.py at main · cppcheck-opensource/cppcheck · GitHub

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