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MatchTerm: testing conditions on terms, e.g. nodup

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aarne
2006-03-16 21:26:22 +00:00
parent e658e345fd
commit 5d772cbfa2
4 changed files with 69 additions and 12 deletions
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@@ -626,12 +626,14 @@ q, quit: q
-startcat, like -cat, but used in grammars (to avoid clash with keyword cat)
-transform, transformation performed on a syntax tree. The default is identity.
-transform=identity no change
-transform=compute compute by using definitions in the grammar
-transform=typecheck return the term only if it is type-correct
-transform=solve solve metavariables as derived refinements
-transform=context solve metavariables by unique refinements as variables
-transform=delete replace the term by metavariable
-transform=identity no change
-transform=compute compute by using definitions in the grammar
-transform=nodup return the term only if it has no constants duplicated
-transform=nodupatom return the term only if it has no atomic constants duplicated
-transform=typecheck return the term only if it is type-correct
-transform=solve solve metavariables as derived refinements
-transform=context solve metavariables by unique refinements as variables
-transform=delete replace the term by metavariable
-unlexer, untokenization transforming linearization output into a string.
The default is unwords.