def _concatOperation(self, node):
result = ""
assert node.type=="operation" and node.get("operator")=="ADD", "Can only process concatenation of string literals"
evaluate.evaluate(node)
if node.evaluated != ():
result = node.evaluated
else:
console.warn("Unknown expression as argument to translation method (%s:%s)" % (treeutil.getFileFromSyntaxItem(node), node.get("line"),))
return result
def reduceOperation(literalNode):
resultNode = literalNode
treeModified = False
# can only reduce with constants
if literalNode.type != "constant":
return literalNode, False
# check if we're in an operation
ngParent = nextNongroupParent(literalNode) # could be operand in ops
if not ngParent or ngParent.type != "operation":
return literalNode, False
else:
operationNode = ngParent
# try to evaluate expr
operationNode = evaluate.evaluate(operationNode)
if operationNode.evaluated != (): # we have a value
# create replacement
resultNode = symbol("constant")(
operationNode.get("line"), operationNode.get("column"))
resultNode = set_node_type_from_value(resultNode, operationNode.evaluated)
# modify tree
operationNode.parent.replaceChild(operationNode, resultNode)
treeModified = True
return resultNode, treeModified
def reduceOperation(literalNode):
resultNode = literalNode
treeModified = False
# can only reduce with constants
if literalNode.type != "constant":
return literalNode, False
# check if we're in an operation
ngParent = nextNongroupParent(literalNode) # could be operand in ops
if not ngParent or ngParent.type != "operation":
return literalNode, False
else:
operationNode = ngParent
# try to evaluate expr
operationNode = evaluate.evaluate(operationNode)
if operationNode.evaluated != (): # we have a value
# create replacement
resultNode = symbol("constant")(operationNode.get("line"),
operationNode.get("column"))
resultNode = set_node_type_from_value(resultNode,
operationNode.evaluated)
# modify tree
operationNode.parent.replaceChild(operationNode, resultNode)
treeModified = True
return resultNode, treeModified
def _concatOperation(self, node):
result = ""
assert node.type == "operation" and node.get(
"operator"
) == "ADD", "Can only process concatenation of string literals"
evaluate.evaluate(node)
if node.evaluated != ():
result = node.evaluated
else:
console.warn(
"Unknown expression as argument to translation method (%s:%s)"
% (
treeutil.getFileFromSyntaxItem(node),
node.get("line"),
))
return result
def reduceLoop(startNode):
treeModified = False
conditionNode = None
# find the loop's condition node
node = startNode
while(node):
if node.parent and node.parent.type == "loop" and node.parent.getFirstChild(ignoreComments=True)==node:
conditionNode = node
break
node = node.parent
if not conditionNode:
return treeModified
# handle "if" statements
if conditionNode.parent.get("loopType") == "IF":
loopNode = conditionNode.parent
evaluate.evaluate(conditionNode)
if conditionNode.evaluated!=():
reducer.reduce(loopNode)
treeModified = True
return treeModified
def reduceLoop(startNode):
treeModified = False
conditionNode = None
# find the loop's condition node
node = startNode
while (node):
if node.parent and node.parent.type == "loop" and node.parent.getFirstChild(
ignoreComments=True) == node:
conditionNode = node
break
node = node.parent
if not conditionNode:
return treeModified
# handle "if" statements
if conditionNode.parent.get("loopType") == "IF":
loopNode = conditionNode.parent
evaluate.evaluate(conditionNode)
if conditionNode.evaluated != ():
reducer.reduce(loopNode)
treeModified = True
return treeModified
