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Recognized options are:
- -order
-
Allowed values are 'pre' and 'post'. Defines the order the
implicit syntax tree is written. Default is pre-order,
i.e. the root is the first token.
- -command
- A command called for every token in the
tree. Its arguments are the type of the token, its level
in the tree, the number of tokens in the sub tree started
by it (not the number of children!) and the
associated text from the script. Default is the empty
command.
- -expr
- A boolean flag. Determines wether the
string is parsed as script or as expression.
The command calls the tokenizer for the specified script
(or expression) and then either calls the '-command' for every
token found or (in the case of an empty command) returns a
list containing the tokens. In that list each element is a
4-element list describing a single token. Meaning and order of
the elements in that list is the same as the arguments for
the command.
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