def matchStringSkippingWhitespace(self, string, errorOnFailure = None):
e.bark(SettingsHeader.MEDIUM_BARK, 'entering matchStringSkippingWhitespace')
e.bark(SettingsHeader.LOW_LEVEL, 'skipping whitespace')
self.skipWhitespace()
rtrn = self.matchString(string, errorOnFailure)
#self.skipWhitespace()
return rtrn
def useVar(self):
name = self.recordStack.pop()
if self.varExists(name):
self.stackPush(self.retrieveObjects([name])[0].value)
e.bark(HIGH_LEVEL, 'stack =', self.stack)
#print self.stack
else:
return False
def matchStringSkippingWhitespace(self, string, errorOnFailure=None):
e.bark(SettingsHeader.MEDIUM_BARK,
'entering matchStringSkippingWhitespace')
e.bark(SettingsHeader.LOW_LEVEL, 'skipping whitespace')
self.skipWhitespace()
rtrn = self.matchString(string, errorOnFailure)
#self.skipWhitespace()
return rtrn
def stackPop(self):
if self.stackLength() > 0:
self.registerA = self.stack.pop()
e.bark(HIGH_LEVEL, 'stack =', self.stack)
return self.registerA
else:
memSizeError()
e.bark(HIGH_LEVEL, 'stack =', self.stack)
def pushDigit(self):
e.bark(MEDIUM_BARK, 'l', self.lastNonemptyStringMatched)
if type(self.lastNonemptyStringMatched) == type('') and \
len(self.lastNonemptyStringMatched) == 1:
digit = ord(self.lastNonemptyStringMatched) - ord('0')
if True: #self.stackLength() >= 2:
self.num = digit + 10 * self.num
else:
self.num = digit
else:
self.expressionError('not a digit!')
return False
def matchChar(self, char, errorOnFailure):
e.bark(SettingsHeader.LOW_LEVEL, 'trying to match', char)
if self.current() == char:
self.next()
e.bark(SettingsHeader.LOW_LEVEL, 'matched', char, '', 'new pos =', self.position)
return True
else:
if errorOnFailure:
e.error(level = SettingsHeader.MEDIUM, message = 'could not match character \'' + char + \
'\' in string \'' + self.string + '\' at position ' + str(self.position) + '.')
else:
return False
def matchChar(self, char, errorOnFailure):
e.bark(SettingsHeader.LOW_LEVEL, 'trying to match', char)
if self.current() == char:
self.next()
e.bark(SettingsHeader.LOW_LEVEL, 'matched', char, '', 'new pos =',
self.position)
return True
else:
if errorOnFailure:
e.error(level = SettingsHeader.MEDIUM, message = 'could not match character \'' + char + \
'\' in string \'' + self.string + '\' at position ' + str(self.position) + '.')
else:
return False
def findFreeMemory(self, numberOfSlotsNeeded = 1):
returnPositions = []
locationInMemory = self.__firstFreeMemoryPosition__ - 1 ## ( we subtract 1 because even in the very beginning of the following loop, we add 1 to locationInMemory)
for i in xrange(numberOfSlotsNeeded): ## stop
try:
locationInMemory += 1
while self.getMemory(locationInMemory) != None:
locationInMemory += 1
returnPositions += [locationInMemory]
except SAMMemException:
e.error(MEDIUM, 'not enough free memory! (' + len(returnPositions) + ' slots available out of ' + numberOfSlotsNeeded + ')')
e.bark(MEDIUM_BARK, 'returnPositions=', returnPositions)
return returnPositions
def matchString(self, string, errorOnFailure = None):
e.bark(SettingsHeader.STATE_OF_HIGH_LEVEL_FUNCTION, 'entering matchString')
if errorOnFailure == None:
errorOnFailure = True if self.isReal() else False
rtrn = True
for char in string:
e.bark(SettingsHeader.LOW_LEVEL, 'regex-char we want to match is', char)
rtrn = self.matchChar(char, errorOnFailure) and rtrn ## ORDER MATTERS!
e.bark(SettingsHeader.STATE_OF_HIGH_LEVEL_FUNCTION, 'exiting matchString', 'rtrn=', rtrn)
return rtrn
def matchString(self, string, errorOnFailure=None):
e.bark(SettingsHeader.STATE_OF_HIGH_LEVEL_FUNCTION,
'entering matchString')
if errorOnFailure == None:
errorOnFailure = True if self.isReal() else False
rtrn = True
for char in string:
e.bark(SettingsHeader.LOW_LEVEL, 'regex-char we want to match is',
char)
rtrn = self.matchChar(char,
errorOnFailure) and rtrn ## ORDER MATTERS!
e.bark(SettingsHeader.STATE_OF_HIGH_LEVEL_FUNCTION,
'exiting matchString', 'rtrn=', rtrn)
return rtrn
def current(self):
e.bark(SettingsHeader.LOW_LEVEL, \
'in current poos =', self.position, \
' content=', self.string[self.position] if not self.isAtEnd() else None)
if not self.isAtEnd():
return self.string[self.position]
def skipWhitespace(self):
e.bark(SettingsHeader.LOWEST_LEVEL, 'entering SkipWhitespace')
while self.current() in SymbolsClass.Symbols.whitespace:
self.next()
e.bark(SettingsHeader.LOWEST_LEVEL,
'skipped the whitespace char \'' + self.current() + '\'')
def next(self):
self.position += 1
e.bark(SettingsHeader.LOW_LEVEL, 'Next ', 'pos was ',
self.position - 1, ' pos is ', self.position)
def current(self):
e.bark(SettingsHeader.LOW_LEVEL, \
'in current poos =', self.position, \
' content=', self.string[self.position] if not self.isAtEnd() else None)
if not self.isAtEnd():
return self.string[self.position]
def stackPush(self, value):
self.stack.append(value)
e.bark(HIGH_LEVEL, 'stack =', self.stack)
def next(self):
self.position += 1
e.bark(SettingsHeader.LOW_LEVEL, 'Next ', 'pos was ', self.position-1, ' pos is ', self.position)
def skipWhitespace(self):
e.bark(SettingsHeader.LOWEST_LEVEL, 'entering SkipWhitespace')
while self.current() in SymbolsClass.Symbols.whitespace:
self.next()
e.bark(SettingsHeader.LOWEST_LEVEL, 'skipped the whitespace char \''+self.current()+'\'')