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Copy pathcppcheckdata.py
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311 lines (275 loc) · 9.08 KB
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# Python module that loads a cppcheck dump
# License: No restrictions, use this as you need.
from lxml import etree
class Token:
Id = None
str = None
next = None
previous = None
scopeId = None
scope = None
isName = None
isNumber = None
isInt = None
isFloat = None
isString = None
strlen = None
isChar = None
isOp = None
isArithmeticalOp = None
isAssignmentOp = None
isComparisonOp = None
isLogicalOp = None
linkId = None
link = None
varId = None
variableId = None
variable = None
functionId = None
function = None
valuesId = None
values = None
astParentId = None
astParent = None
astOperand1Id = None
astOperand1 = None
astOperand2Id = None
astOperand2 = None
file = None
linenr = 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
type = element.get('type')
if type == 'name':
self.isName = True
elif type == 'number':
self.isNumber = True
if element.get('isInt'):
self.isInt = True
elif element.get('isFloat'):
self.isFloat = True
elif type == 'string':
self.isString = True
self.strlen = int(element.get('strlen'))
elif type == 'char':
self.isChar = True
elif 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
self.linkId = element.get('link')
self.link = None
self.varId = element.get('varId')
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.astParentId = element.get('astParent')
self.astParent = None
self.astOperand1Id = element.get('astOperand1')
self.astOperand1 = None
self.astOperand2Id = element.get('astOperand2')
self.astOperand2 = None
self.file = element.get('file')
self.linenr = element.get('linenr')
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 = IdMap[self.valuesId]
self.astParent = IdMap[self.astParentId]
self.astOperand1 = IdMap[self.astOperand1Id]
self.astOperand2 = IdMap[self.astOperand2Id]
# Get value if it exists
# Returns None if it doesn't exist
def getValue(self, v):
if not self.values:
return None
for value in self.values:
if value.intvalue == v:
return value
return None
class Scope:
Id = None
classStartId = None
classStart = None
classEndId = None
classEnd = None
className = None
type = None
def __init__(self, element):
self.Id = element.get('id')
self.className = element.get('className')
self.classStartId = element.get('classStart')
self.classStart = None
self.classEndId = element.get('classEnd')
self.classEnd = None
self.nestedInId = element.get('nestedId')
self.nestedIn = None
self.type = element.get('type')
def setId(self, IdMap):
self.classStart = IdMap[self.classStartId]
self.classEnd = IdMap[self.classEndId]
self.nestedIn = IdMap[self.nestedInId]
class Function:
Id = None
argument = None
argumentId = None
def __init__(self, element):
self.Id = element.get('id')
self.argument = {}
self.argumentId = {}
for arg in element:
self.argumentId[arg.get('nr')] = arg.get('id')
def setId(self, IdMap):
for argnr, argid in self.argumentId.items():
self.argument[argnr] = IdMap[argid]
class Variable:
Id = None
nameTokenId = None
nameToken = None
typeStartTokenId = None
typeStartToken = None
typeEndTokenId = None
typeEndToken = None
isArgument = None
isArray = None
isClass = None
isLocal = None
isPointer = None
isReference = None
isStatic = None
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.isArgument = element.get('isArgument')
self.isArray = element.get('isArray')
self.isClass = element.get('isClass')
self.isLocal = element.get('isLocal')
self.isPointer = element.get('isPointer')
self.isReference = element.get('isReference')
self.isStatic = element.get('isStatic')
def setId(self, IdMap):
self.nameToken = IdMap[self.nameTokenId]
self.typeStartToken = IdMap[self.typeStartTokenId]
self.typeEndToken = IdMap[self.typeEndTokenId]
class ValueFlow:
class Value:
intvalue = None
condition = None
def __init__(self, element):
self.intvalue = int(element.get('intvalue'))
self.condition = element.get('condition-line')
if self.condition:
self.condition = int(self.condition)
Id = None
values = None
def __init__(self, element):
self.Id = element.get('id')
self.values = []
for value in element:
self.values.append(ValueFlow.Value(value))
class CppcheckData:
tokenlist = []
scopes = []
functions = []
variables = []
valueflow = []
def __init__(self, filename):
self.tokenlist = []
self.scopes = []
self.variables = []
self.valueflow = []
data = etree.parse(filename)
for element in data.getroot():
if element.tag == 'tokenlist':
for token in element:
self.tokenlist.append(Token(token))
# set next/previous..
prev = None
for token in self.tokenlist:
token.previous = prev
if prev:
prev.next = token
prev = token
if element.tag == 'scopes':
for scope in element:
self.scopes.append(Scope(scope))
for functionList in scope:
if functionList.tag == 'functionList':
for function in functionList:
self.functions.append(Function(function))
if element.tag == 'variables':
for variable in element:
self.variables.append(Variable(variable))
if element.tag == 'valueflow':
for values in element:
self.valueflow.append(ValueFlow(values))
IdMap = {}
IdMap[None] = None
IdMap['0'] = None
for token in self.tokenlist:
IdMap[token.Id] = token
for scope in self.scopes:
IdMap[scope.Id] = scope
for function in self.functions:
IdMap[function.Id] = function
for variable in self.variables:
IdMap[variable.Id] = variable
for values in self.valueflow:
IdMap[values.Id] = values.values
for token in self.tokenlist:
token.setId(IdMap)
for scope in self.scopes:
scope.setId(IdMap)
for function in self.functions:
function.setId(IdMap)
for variable in self.variables:
variable.setId(IdMap)
def parsedump(filename):
return CppcheckData(filename)
# Check if type of ast node is float/double
def astIsFloat(token):
if not token:
return False
if token.str == '.':
return astIsFloat(token.astOperand2)
if '+-*/%'.find(token.str) == 0:
if True == astIsFloat(token.astOperand1):
return True
return astIsFloat(token.astOperand2)
if not token.variable:
# float literal?
if token.str[0].isdigit():
for c in token.str:
if c == 'f' or c == '.' or c == 'E':
return True
return False
typeToken = token.variable.typeStartToken
endToken = token.variable.typeEndToken
while typeToken != endToken:
if typeToken.str == 'float' or typeToken.str == 'double':
return True
typeToken = typeToken.next
if typeToken.str == 'float' or typeToken.str == 'double':
return True
return False