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generate error on duplicated data-type accessors. Issue 85

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-03-02 17:10:48 -08:00
parent e27b7e3038
commit a00a9fbdfd
3 changed files with 28 additions and 0 deletions
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19
src/cmd_context/pdecl.cpp
View file

@ -515,6 +515,25 @@ bool pdatatype_decl::has_missing_refs(symbol & missing) const {
return false;
}
bool pdatatype_decl::has_duplicate_accessors(symbol & duplicated) const {
hashtable<symbol, symbol_hash_proc, symbol_eq_proc> names;
ptr_vector<pconstructor_decl>::const_iterator it = m_constructors.begin();
ptr_vector<pconstructor_decl>::const_iterator end = m_constructors.end();
for (; it != end; ++it) {
ptr_vector<paccessor_decl> const& acc = (*it)->m_accessors;
for (unsigned i = 0; i < acc.size(); ++i) {
symbol const& name = acc[i]->get_name();
if (names.contains(name)) {
duplicated = name;
return true;
}
names.insert(name);
}
}
return false;
}
bool pdatatype_decl::fix_missing_refs(dictionary<int> const & symbol2idx, symbol & missing) {
ptr_vector<pconstructor_decl>::iterator it = m_constructors.begin();
ptr_vector<pconstructor_decl>::iterator end = m_constructors.end();

2
src/cmd_context/pdecl.h
View file

@ -169,6 +169,7 @@ public:
class paccessor_decl : public pdecl {
friend class pdecl_manager;
friend class pconstructor_decl;
friend class pdatatype_decl;
symbol m_name;
ptype m_type;
paccessor_decl(unsigned id, unsigned num_params, pdecl_manager & m, symbol const & n, ptype const & r);
@ -222,6 +223,7 @@ public:
sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s);
virtual void display(std::ostream & out) const;
bool has_missing_refs(symbol & missing) const;
bool has_duplicate_accessors(symbol & repeated) const;
};
/**

7
src/parsers/smt2/smt2parser.cpp
View file

@ -850,6 +850,13 @@ namespace smt2 {
for (unsigned i = 0; i < sz; i++) {
pdatatype_decl * d = new_dt_decls[i];
SASSERT(d != 0);
symbol duplicated;
if (d->has_duplicate_accessors(duplicated)) {
std::string err_msg = "invalid datatype declaration, repeated accessor identifier '";
err_msg += duplicated.str();
err_msg += "'";
throw parser_exception(err_msg, line, pos);
}
m_ctx.insert(d);
if (d->get_num_params() == 0) {
// if datatype is not parametric... then force instantiation to register accessor, recognizers and constructors...