diff options
Diffstat (limited to 'src/parser/smt2/Smt2.g')
| -rw-r--r-- | src/parser/smt2/Smt2.g | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/parser/smt2/Smt2.g b/src/parser/smt2/Smt2.g index 38163c579..29d3e45b6 100644 --- a/src/parser/smt2/Smt2.g +++ b/src/parser/smt2/Smt2.g @@ -749,7 +749,7 @@ sygusCommand returns [CVC4::Command* cmd = NULL] $cmd = new EmptyCommand(); } | /* check-synth */ - CHECK_SYNTH_TOK { PARSER_STATE->checkThatLogicIsSet(); } + CHECK_SYNTH_TOK { PARSER_STATE->checkThatLogicIsSet();PARSER_STATE->defineSygusFuns(); } { Expr sygusVar = EXPR_MANAGER->mkVar("sygus", EXPR_MANAGER->booleanType()); Expr sygusAttr = EXPR_MANAGER->mkExpr(kind::INST_PATTERN_LIST, EXPR_MANAGER->mkExpr(kind::INST_ATTRIBUTE, sygusVar)); std::vector<Expr> bodyv; @@ -760,7 +760,9 @@ sygusCommand returns [CVC4::Command* cmd = NULL] body = EXPR_MANAGER->mkExpr(kind::EXISTS, EXPR_MANAGER->mkExpr(kind::BOUND_VAR_LIST, PARSER_STATE->getSygusVars()), body); Debug("parser-sygus") << "...constructed exists " << body << std::endl; } - body = EXPR_MANAGER->mkExpr(kind::FORALL, EXPR_MANAGER->mkExpr(kind::BOUND_VAR_LIST, PARSER_STATE->getSygusFunSymbols()), body, sygusAttr); + if( !PARSER_STATE->getSygusFunSymbols().empty() ){ + body = EXPR_MANAGER->mkExpr(kind::FORALL, EXPR_MANAGER->mkExpr(kind::BOUND_VAR_LIST, PARSER_STATE->getSygusFunSymbols()), body, sygusAttr); + } Debug("parser-sygus") << "...constructed forall " << body << std::endl; Command* c = new SetUserAttributeCommand("sygus", sygusVar); c->setMuted(true); @@ -791,6 +793,7 @@ sygusGTerm[CVC4::SygusGTerm& sgt, std::string& fun] std::string sname; std::vector< Expr > let_vars; bool readingLet = false; + std::string s; } : LPAREN_TOK //read operator @@ -799,6 +802,8 @@ sygusGTerm[CVC4::SygusGTerm& sgt, std::string& fun] //since we enforce satisfaction completeness, immediately convert to total version if( k==CVC4::kind::BITVECTOR_UDIV ){ k = CVC4::kind::BITVECTOR_UDIV_TOTAL; + }else if( k==CVC4::kind::BITVECTOR_UREM ){ + k = CVC4::kind::BITVECTOR_UREM_TOTAL; } sgt.d_name = kind::kindToString(k); sgt.d_gterm_type = SygusGTerm::gterm_op; @@ -834,6 +839,8 @@ sygusGTerm[CVC4::SygusGTerm& sgt, std::string& fun] k = PARSER_STATE->getOperatorKind(name); if( k==CVC4::kind::BITVECTOR_UDIV ){ k = CVC4::kind::BITVECTOR_UDIV_TOTAL; + }else if( k==CVC4::kind::BITVECTOR_UREM ){ + k = CVC4::kind::BITVECTOR_UREM_TOTAL; } sgt.d_name = kind::kindToString(k); sgt.d_gterm_type = SygusGTerm::gterm_op; @@ -890,6 +897,12 @@ sygusGTerm[CVC4::SygusGTerm& sgt, std::string& fun] sgt.d_name = AntlrInput::tokenText($BINARY_LITERAL); sgt.d_gterm_type = SygusGTerm::gterm_op; } + | str[s,false] + { Debug("parser-sygus") << "Sygus grammar " << fun << " : string literal \"" << s << "\"" << std::endl; + sgt.d_expr = MK_CONST( ::CVC4::String(s) ); + sgt.d_name = s; + sgt.d_gterm_type = SygusGTerm::gterm_op; + } | symbol[name,CHECK_NONE,SYM_VARIABLE] ( SYGUS_ENUM_CONS_TOK symbol[name2,CHECK_NONE,SYM_VARIABLE] { readEnum = true; } )? { if( readEnum ){ name = name + "__Enum__" + name2; @@ -1594,6 +1607,10 @@ term[CVC4::Expr& expr, CVC4::Expr& expr2] Debug("parser") << "Empty set encountered: " << f << " " << f2 << " " << type << std::endl; expr = MK_CONST( ::CVC4::EmptySet(type) ); + } else if(f.getKind() == CVC4::kind::SEP_NIL_REF) { + //We don't want the nil reference to be a constant: for instance, it could be of type Int but is not a const rational. + //However, the expression has 0 children. So we convert to a SEP_NIL variable. + expr = EXPR_MANAGER->mkSepNil(type); } else { if(f.getType() != type) { PARSER_STATE->parseError("Type ascription not satisfied."); @@ -1898,6 +1915,8 @@ term[CVC4::Expr& expr, CVC4::Expr& expr2] | EMPTYSET_TOK { expr = MK_CONST( ::CVC4::EmptySet(Type())); } + | NILREF_TOK + { expr = MK_CONST( ::CVC4::NilRef(Type())); } // NOTE: Theory constants go here ; @@ -2633,6 +2652,7 @@ FMFCARDVAL_TOK : 'fmf.card.val'; INST_CLOSURE_TOK : 'inst-closure'; EMPTYSET_TOK: { PARSER_STATE->isTheoryEnabled(Smt2::THEORY_SETS) }? 'emptyset'; +NILREF_TOK: { PARSER_STATE->isTheoryEnabled(Smt2::THEORY_SEP) }? 'sep.nil'; // Other set theory operators are not // tokenized and handled directly when // processing a term @@ -2773,7 +2793,7 @@ STRING_LITERAL_2_0 * will be part of the token text. Use the str[] parser rule instead. */ STRING_LITERAL_2_5 - : { PARSER_STATE->v2_5() }?=> + : { PARSER_STATE->v2_5() || PARSER_STATE->sygus() }?=> '"' (~('"') | '""')* '"' ; |