beginLine and beginColumn describe the position of the first character
of this token; endLine and endColumn describe the position of the
last character of this token.
beginLine and beginColumn describe the position of the first character
of this token; endLine and endColumn describe the position of the
last character of this token.
beginLine and beginColumn describe the position of the first character
of this token; endLine and endColumn describe the position of the
last character of this token.
beginLine and beginColumn describe the position of the first character
of this token; endLine and endColumn describe the position of the
last character of this token.
This method performs the evaluation of the expression,
implementing binary and unary operator functions, and
recursively calling itself for sub-expressions.
Pass your string representation of the expression into this function
and it will parse it into a hierarchy of Expression objects which
can be evaluated.
returns an enumeration of the nodes contained in the graph
note that this will only return the high level nodes, use
getAllNodes to return everything in the graph.