Leonardo de Moura
2f88d6710c
feat(kernel/expr): add some_expr and none_expr for building values of type optional<expr>
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-08 10:34:38 -08:00
Leonardo de Moura
3e1fd06903
refactor(kernel/expr): remove 'null' expression, and operator bool for expression
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After this commit, a value of type 'expr' cannot be a reference to nullptr.
This commit also fixes several bugs due to the use of 'null' expressions.
TODO: do the same for kernel objects, sexprs, etc.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-07 23:21:10 -08:00
Leonardo de Moura
b6b520302d
feat(kernel/replace_visitor): relax replace_visitor contract, the input expression can be null
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-07 15:35:26 -08:00
Leonardo de Moura
e2999d3ff6
feat(*): add component name to check_stack and check_system
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I also reduced the stack size to 8 Mb in the tests at tests/lean and tests/lean/slow. The idea is to simulate stackoverflow conditions.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-07 15:11:55 -08:00
Leonardo de Moura
873a07d34c
feat(kernel/replace_visitor): check interrupted flag and stackoverflow
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-05 05:42:12 -08:00
Leonardo de Moura
7f088b7635
feat(kernel): add (optional) field m_type to expr_const, this field is useful for implementing the tactic framework
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This field should not be visible in the external API.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-19 11:21:52 -08:00
Soonho Kong
044813615e
fix: add '#include <tuple>'
2013-11-03 13:00:42 -05:00
Leonardo de Moura
c1e451151a
feat(replace_visitor): add an abstract class for applying transformations on expressions
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I also removed replace_using_ctx since it is subsumed by the new class.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-10-23 15:01:37 -07:00
