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initialize manager to avoid unrelated error message, issue #604

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-15 12:59:42 -07:00
parent 7fb30c38ae
commit e5ca676251
2 changed files with 5 additions and 3 deletions
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5
src/muz/base/dl_context.cpp
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@ -188,9 +188,8 @@ namespace datalog {
if (m_trail.get_num_scopes() == 0) { if (m_trail.get_num_scopes() == 0) {
throw default_exception("there are no backtracking points to pop to"); throw default_exception("there are no backtracking points to pop to");
} }
if(m_engine.get()){ if (m_engine.get() && get_engine() != DUALITY_ENGINE) {
if(get_engine() != DUALITY_ENGINE) throw default_exception("pop operation is only supported by duality engine");
throw default_exception("operation is not supported by engine");
} }
m_trail.pop_scope(1); m_trail.pop_scope(1);
} }

3
src/muz/fp/dl_cmds.cpp
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@ -229,6 +229,7 @@ public:
} }
virtual void prepare(cmd_context & ctx) { virtual void prepare(cmd_context & ctx) {
ctx.m(); // ensure manager is initialized.
parametric_cmd::prepare(ctx); parametric_cmd::prepare(ctx);
m_target = 0; m_target = 0;
} }
@ -390,6 +391,7 @@ public:
virtual unsigned get_arity() const { return VAR_ARITY; } virtual unsigned get_arity() const { return VAR_ARITY; }
virtual void prepare(cmd_context & ctx) { virtual void prepare(cmd_context & ctx) {
ctx.m(); // ensure manager is initialized.
m_arg_idx = 0; m_arg_idx = 0;
m_query_arg_idx = 0; m_query_arg_idx = 0;
m_domain = 0; m_domain = 0;
@ -450,6 +452,7 @@ public:
virtual unsigned get_arity() const { return 2; } virtual unsigned get_arity() const { return 2; }
virtual void prepare(cmd_context & ctx) { virtual void prepare(cmd_context & ctx) {
ctx.m(); // ensure manager is initialized.
m_arg_idx = 0; m_arg_idx = 0;
} }
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const {