def addToContext(parser):
previous = parser.currentNode
node = Tree.AddToContext(parser)
parser.currentNode = node
if not type(previous) is Tree.Root:
Error.parseError(parser, "Can only add field to context from global scope")
if parser.nextToken().type != "identifier":
Error.parseError(parser, "Expecting identifier")
Parser.callToken(parser)
parser.nextToken()
iter = parser.iter+1
line = parser.lineNumber
Parser.callToken(parser)
if not type(node.nodes[0]) is Tree.CreateAssign:
parser.iter = iter
parser.lineNumber = line
Error.parseError(parser, "Expecting :=")
createAssign = node.nodes[0]
node.name = createAssign.nodes[0].name
parser.currentNode = previous
previous.addNode(node)
