Leonardo de Moura
59914a36f3
refactor(metavar): reorganize and simplify metavariables
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- Use hierarchical names instead of unsigned integers to identify metavariables.
- Associate type with metavariable.
- Replace metavar_env with substitution.
- Rename meta_ctx --> local_ctx
- Rename meta_entry --> local_entry
- Disable old elaborator
- Rename unification_problems to unification_constraints
- Add metavar_generator
- Fix metavar unit tests
- Modify type checker to use metavar_generator
- Fix placeholder module
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-10-22 08:15:36 -07:00
Leonardo de Moura
6477708d78
refactor(debug): improve lean_unreachable(), now we can avoid 'fake' return statements
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-25 21:27:20 -07:00
Leonardo de Moura
c847d27763
Improve higher order unification
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-21 00:41:49 -07:00
Leonardo de Moura
651c5d6751
Fix warnings and bugs related to unused variables.
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 22:41:07 -07:00
Soonho Kong
ab6ca82e6f
Update to suppress unused-parameter warnings
2013-09-19 22:40:34 -07:00
Leonardo de Moura
80a1b96925
Remove duplicate solutions in the higher order matching module. Simplify solutions when higher-order matching is used, and we don't have a residue.
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 18:59:28 -07:00
Leonardo de Moura
ffef055e34
Add options to ho_unifier
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 18:19:25 -07:00
Leonardo de Moura
8c5c17ee12
Fix typo
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 16:30:37 -07:00
Leonardo de Moura
42482622f6
Add imitation for lambdas and Pis
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 16:28:23 -07:00
Leonardo de Moura
4afeb1a400
Add imitation step for equalities.
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 16:28:23 -07:00
Leonardo de Moura
b3aa8b37f3
Remove cleanup_subst. The residue may still reference auxiliary variable. So, it is not safe to remove then from the resultant partial substitution.
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 16:28:23 -07:00
Leonardo de Moura
d7cc5d2404
Fix bug in ho_unifier
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-19 16:28:23 -07:00
Leonardo de Moura
2f29ff70d7
Implement higher-order unification
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-18 20:46:00 -07:00
Leonardo de Moura
22949051f1
Higher-order unifier skeleton
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-17 14:43:07 -07:00
