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Imported modules
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import Expression
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Functions
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get_merge_text
is_mergeable
merge_strings
optimize
optimize_unnamed_groups
optimize_unnamed_groups_recursive
skip_empty_group
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get_merge_text
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get_merge_text ( exp )
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Exceptions
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AssertionError, "unknown exp: %s" % repr( exp )
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is_mergeable
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is_mergeable ( exp )
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merge_strings
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merge_strings ( exp )
merge successive strings and string-like terms into a single Str
WARNING: has side-effects
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optimize
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optimize ( exp )
expression tree -> optimized expression tree
Apply various optimizations to the expression tree.
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optimize_unnamed_groups
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optimize_unnamed_groups ( exp )
return an equivalent expression tree but without unnamed groups
WARNING: has side-effect
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optimize_unnamed_groups_recursive
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optimize_unnamed_groups_recursive ( exp )
The only thing this does is remove Groups with no names
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skip_empty_group
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skip_empty_group ( exp )
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