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constify a few functions

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Signed-off-by: Nuno Lopes <t-nclaud@microsoft.com>
This commit is contained in:
Nuno Lopes 2013-04-03 09:44:31 -07:00
parent 4c353ec720
commit 67e9d74653
2 changed files with 6 additions and 6 deletions
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4
src/ast/bv_decl_plugin.cpp
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@ -766,7 +766,7 @@ bool bv_recognizers::is_zero(expr const * n) const {
return decl->get_parameter(0).get_rational().is_zero();
}
bool bv_recognizers::is_extract(expr const* e, unsigned& low, unsigned& high, expr*& b) {
bool bv_recognizers::is_extract(expr const* e, unsigned& low, unsigned& high, expr*& b) const {
if (!is_extract(e)) return false;
low = get_extract_low(e);
high = get_extract_high(e);
@ -774,7 +774,7 @@ bool bv_recognizers::is_extract(expr const* e, unsigned& low, unsigned& high, ex
return true;
}
bool bv_recognizers::is_bv2int(expr const* e, expr*& r) {
bool bv_recognizers::is_bv2int(expr const* e, expr*& r) const {
if (!is_bv2int(e)) return false;
r = to_app(e)->get_arg(0);
return true;

8
src/ast/bv_decl_plugin.h
View file

@ -288,10 +288,10 @@ public:
bool is_extract(expr const * e) const { return is_app_of(e, get_fid(), OP_EXTRACT); }
unsigned get_extract_high(func_decl const * f) const { return f->get_parameter(0).get_int(); }
unsigned get_extract_low(func_decl const * f) const { return f->get_parameter(1).get_int(); }
unsigned get_extract_high(expr const * n) { SASSERT(is_extract(n)); return get_extract_high(to_app(n)->get_decl()); }
unsigned get_extract_low(expr const * n) { SASSERT(is_extract(n)); return get_extract_low(to_app(n)->get_decl()); }
bool is_extract(expr const * e, unsigned & low, unsigned & high, expr * & b);
bool is_bv2int(expr const * e, expr * & r);
unsigned get_extract_high(expr const * n) const { SASSERT(is_extract(n)); return get_extract_high(to_app(n)->get_decl()); }
unsigned get_extract_low(expr const * n) const { SASSERT(is_extract(n)); return get_extract_low(to_app(n)->get_decl()); }
bool is_extract(expr const * e, unsigned & low, unsigned & high, expr * & b) const;
bool is_bv2int(expr const * e, expr * & r) const;
bool is_bv_add(expr const * e) const { return is_app_of(e, get_fid(), OP_BADD); }
bool is_bv_sub(expr const * e) const { return is_app_of(e, get_fid(), OP_BSUB); }
bool is_bv_mul(expr const * e) const { return is_app_of(e, get_fid(), OP_BMUL); }