def pyF1ToWhile(whileNd):
''' extract a reg/field poll from an ast While node - returns new model While node else returns None on no match '''
compNd = whileNd.test
if type(compNd) is not ast.Compare:
return None
compare = __class__.pyF1ToCfgCompare(compNd)
if not compare.isValid():
return None
return Cm.CfgWhileNode(compare, whileNd)
def enterWhile_loop(self, ctx: ConfigParser.While_loopContext):
#print('enterWhile_loop: ')
leftOp = ctx.value(0).getText()
rightOp = ctx.value(1).getText()
compareOp = ctx.compare_op().getText()
#print(' ' + compareOp + ' ' + rightOp)
leftVal = Cm.CfgVariable.resolveRhsExpression(
leftOp, Cm.CfgNumDataType) # numeric var or instance
rightVal = Cm.CfgVariable.resolveRhsExpression(
rightOp, Cm.CfgNumDataType) # numeric var or instance
whileCompare = Cm.CfgCompare(leftVal, compareOp, rightVal)
Cm.CfgWhileNode(whileCompare)
def enterPoll_config_call(self, ctx: ConfigParser.Poll_config_callContext):
#print('enterPoll_config_call: ')
readType = ctx.getChild(0).getText()
readPath = ctx.path().getText()
pollOp = ctx.compare_op().getText()
pollVal = ctx.value(0).getText()
#print(' ' + readType + ' ' + readPath + ' ' + pollOp + ' ' + pollVal)
rtype = Cm.CfgPathHierType.resolve(
readType) # poll is compare of read value, so explicitly set type
rNode = Cm.CfgReadNode(readPath, rtype, None)
pVal = Cm.CfgVariable.resolveRhsExpression(
pollVal,
Cm.CfgNumDataType) # read compares to a numeric var or instance
whileCompare = Cm.CfgCompare(rNode, pollOp, pVal)
Cm.CfgWhileNode(whileCompare)
