def __init__(self, scope, transInhDict, typedefDict, invEntityDict, accessDict = AccessDictionary()):
self.scope = scope
self.resolver = AlternativeInvokeableEntityResolver(scope, transInhDict, typedefDict, invEntityDict, accessDict)
self.log = Logger().get_instance()
self.refCache = {} # src_file + lineNr x reference (max. 1 element)
class ParentInvokableEntityResolver:
def __init__(self, scope, transInhDict, typedefDict, invEntityDict, accessDict = AccessDictionary()):
self.scope = scope
self.resolver = AlternativeInvokeableEntityResolver(scope, transInhDict, typedefDict, invEntityDict, accessDict)
self.log = Logger().get_instance()
self.refCache = {} # src_file + lineNr x reference (max. 1 element)
def addSurroundingDefinitionToCache(self, srcLoc, invEntityRef):
# empty cache
self.refCache = {}
self.refCache[getKeyFor(srcLoc)] = invEntityRef
def getSurroundingDefinitionFromCache(self, srcLoc):
if self.inCache(srcLoc):
return self.refCache[getKeyFor(srcLoc)]
else:
return None
def inCache(self, srcLoc):
key = getKeyFor(srcLoc)
if key in self.refCache:
return True
else:
return False
##
# Retrieve a reference to the invokable entity surrounding the given
# invocation or access.
##
def getSurroundingDefinition(self, invOrAccess, refLoc):
selection = self.resolver.select(invOrAccess.src_class, invOrAccess.src_name, invOrAccess.actualSrcParams, refLoc)
surroundingEntities = []
for reference in selection:
referenceLoc = reference.getLocation()
for defLoc in referenceLoc.getDefinitionLocations():
if defLoc.getSourceFile() == refLoc.getSourceFile():
surroundingEntities.append(reference)
if (not surroundingEntities) or (len(surroundingEntities) > 1):
return None
# merely one invokable entity
return surroundingEntities[0]
##
# Retrieve the source location of the definition
# that is included at the given refLoc, which
# is defined above the given refLoc, and
# is the nearest one to the given refLoc.
##
def getDefinitionLocation(self, invokableEntityRef, refLoc):
definitionLocation = None
multiLoc = invokableEntityRef.getLocation()
refLineNr = int(refLoc.getStart())
nearestDefinitionLineNumber = None
for defLoc in multiLoc.getDefinitionLocations():
if defLoc.getSourceFile() == refLoc.getSourceFile():
lineNr = int(refLoc.getStart())
if lineNr <= refLineNr:
if (nearestDefinitionLineNumber == None) or (lineNr > nearestDefinitionLineNumber):
nearestDefinitionLineNumber = lineNr
definitionLocation = defLoc
return definitionLocation
##
# Resolve the source of an invocation/access to a definition.
#
# Returns whether the resolution succeeded.
##
def resolveSource(self, invOrAccess):
resolutionReport = invOrAccess.getReport()
refLoc = SourceLocation(invOrAccess.sourceFile, invOrAccess.start, invOrAccess.start)
invokableEntityRef = None
if self.inCache(refLoc):
invokableEntityRef = self.getSurroundingDefinitionFromCache(refLoc)
else:
# ensure that # is not regarded as a class name
if ( invOrAccess.src_class == "#" ):
invOrAccess.src_class = ""
invokableEntityRef = self.getSurroundingDefinition(invOrAccess, refLoc)
if invokableEntityRef == None:
return False
resolutionReport.setSurroundingDefinitionFound()
defLoc = self.getDefinitionLocation(invokableEntityRef, refLoc)
if defLoc == None:
return False
resolutionReport.setDefinitionLocationFound()
self.fillInReferenceSource(invOrAccess, invokableEntityRef, defLoc)
return True
def fillInReferenceSource(self, invOrAccess, invokableEntityRef, srcLoc):
invOrAccess.src_class = invokableEntityRef.getOwnerName()
invOrAccess.formalSrcParams = invokableEntityRef.getFormalParameters().lstrip("(").rstrip(")")
invOrAccess.src_sourceFile = srcLoc.getSourceFile()
invOrAccess.src_start = srcLoc.getStart()
invOrAccess.src_namespace = invokableEntityRef.getNamespaceName()
