41 if(
lookup(bit->find(ID_type).get(ID_identifier)).base_name == base_name)
43 identifier=bit->find(ID_type).get(ID_identifier);
54 if(expr.
id()==ID_cpp_name)
56 else if(expr.
id()==
"cpp-this")
58 else if(expr.
id()==
"pointer-to-member")
60 else if(expr.
id()==
"new_object")
66 else if(expr.
id()==
"explicit-typecast")
68 else if(expr.
id()==
"explicit-constructor-call")
73 std::cerr <<
"cpp_typecheckt::typecheck_expr_main got nil\n";
77 else if(expr.
id()==ID_code)
80 std::cerr <<
"cpp_typecheckt::typecheck_expr_main got code\n";
84 else if(expr.
id()==ID_symbol)
87 std::cout <<
"E: " << expr.
pretty() <<
'\n';
88 std::cerr <<
"cpp_typecheckt::typecheck_expr_main got symbol\n";
92 else if(expr.
id()==
"__is_base_of")
106 if(base.
id()!=ID_struct || deriv.
id()!=ID_struct)
119 else if(expr.
id()==ID_msc_uuidof)
125 expr.
set(ID_C_lvalue,
true);
127 else if(expr.
id()==ID_noexcept)
132 else if(expr.
id()==ID_initializer_list)
134 expr.
type().
id(ID_initializer_list);
155 error() <<
"error: lvalue to rvalue conversion" <<
eom;
166 error() <<
"error: array to pointer conversion" <<
eom;
177 error() <<
"error: function to pointer conversion" <<
eom;
188 error() <<
"error: lvalue to rvalue conversion" <<
eom;
199 error() <<
"error: array to pointer conversion" <<
eom;
210 error() <<
"error: function to pointer conversion" <<
eom;
215 if(expr.
op1().
get(ID_statement)==ID_throw &&
216 expr.
op2().
get(ID_statement)!=ID_throw)
218 else if(expr.
op2().
get(ID_statement)==ID_throw &&
219 expr.
op1().
get(ID_statement)!=ID_throw)
221 else if(expr.
op1().
type().
id()==ID_empty &&
227 error() <<
"error: bad types for operands" <<
eom;
259 else if(expr.
op1().
type().
id()==ID_array &&
286 error() <<
"error: types are incompatible.\n" 296 expr.
set(ID_C_lvalue,
true);
316 static_cast<const typet &
>(expr.
find(ID_type_arg));
318 if(type.
id()==ID_cpp_name)
330 if(symbol_expr.
id()!=ID_type)
336 else if(type.
id()==ID_array)
349 if(symbol_expr.
id()!=ID_type)
372 if(expr.
id()==ID_cpp_name)
374 else if(expr.
id()==ID_member)
379 else if(expr.
id()==ID_ptrmember)
387 std::string op_name=
"operator->";
397 cpp_name.
get_sub().back().set(ID_identifier, op_name);
398 cpp_name.
get_sub().back().add(ID_C_source_location)=
402 static_cast<const exprt &
>(
403 static_cast<const irept &
>(cpp_name));
409 exprt tmp(
"already_typechecked");
411 function_call.
swap(tmp);
413 expr.
op0().
swap(function_call);
435 if(t.
id()==ID_struct ||
459 { ID_unary_minus,
"-" },
471 { ID_notequal,
"!=" },
472 { ID_dereference,
"*" },
473 { ID_ptrmember,
"->" },
484 else if(expr.
id()==ID_dereference &&
490 if(expr.
id()==
"explicit-typecast")
496 std::string op_name=std::string(
"operator")+
"("+
cpp_type2name(t)+
")";
505 cpp_name.
get_sub().back().set(ID_identifier, op_name);
509 bool found_in_struct=
false;
513 if(t0.id()==ID_struct)
521 for(struct_typet::componentst::const_iterator
522 it=components.begin();
523 it!=components.end();
526 if(!it->get_bool(ID_from_base) &&
527 it->get(ID_base_name) == op_name)
529 found_in_struct=
true;
539 exprt member(ID_member);
540 member.
add(ID_component_cpp_name)= cpp_name;
542 exprt tmp(
"already_typechecked");
551 for(exprt::operandst::const_iterator
553 it!=(expr).operands().end();
555 function_call.
arguments().push_back(*it);
560 if(expr.
id()==ID_ptrmember)
563 exprt tmp(
"already_typechecked");
570 expr.
swap(function_call);
579 if(expr.
id()==ID_dereference)
580 assert(!expr.
get_bool(ID_C_implicit));
582 std::string op_name=std::string(
"operator")+e->op_name;
587 cpp_name.
get_sub().back().set(ID_identifier, op_name);
588 cpp_name.
get_sub().back().add(ID_C_source_location)=
631 exprt member(ID_member);
632 member.
add(ID_component_cpp_name)=cpp_name;
634 exprt tmp(
"already_typechecked");
644 for(exprt::operandst::const_iterator
648 function_call.
arguments().push_back(*it);
673 static_cast<const exprt &
>(
674 static_cast<const irept &
>(cpp_name));
678 function_call.
arguments().push_back(*it);
682 if(expr.
id()==ID_ptrmember)
685 exprt tmp(
"already_typechecked");
707 error() <<
"address_of expects one operand" <<
eom;
716 error() <<
"expr not an lvalue" <<
eom;
723 assert(expr.
op0().
id()==ID_member);
726 address.
set(ID_C_implicit,
true);
730 if(expr.
op0().
id()==ID_address_of &&
737 if(args.size() > 0 && args[0].get(ID_C_base_name)==ID_this)
740 typet symbol(ID_symbol);
741 symbol.
set(ID_identifier, code_type.
get(ID_C_member_name));
744 if(code_type.
get_bool(ID_C_is_virtual))
747 error() <<
"error: pointers to virtual methods" 748 <<
" are currently not implemented" <<
eom;
774 if(
follow(exception_type).
id()==ID_empty)
777 error() <<
"cannot throw void" <<
eom;
782 expr.
set(ID_exception_list,
791 if(expr.
type().
id()==ID_array)
800 bool size_is_unsigned=(size.type().id()==ID_unsignedbv);
801 typet integer_type(size_is_unsigned?ID_unsignedbv:ID_signedbv);
805 expr.
set(ID_statement, ID_cpp_new_array);
820 expr.
set(ID_statement, ID_cpp_new);
827 object_expr.
set(ID_C_lvalue,
true);
830 exprt tmp(
"already_typechecked");
832 object_expr.swap(tmp);
836 exprt &initializer=
static_cast<exprt &
>(expr.
add(ID_initializer));
839 if(!initializer.
operands().empty() &&
840 expr.
get(ID_statement)==ID_cpp_new_array)
843 error() <<
"new with array type must not use initializer" <<
eom;
853 expr.
add(ID_initializer).
swap(code);
858 exprt &sizeof_expr=
static_cast<exprt &
>(expr.
add(ID_sizeof));
867 if(src.
id()==ID_comma)
905 if(expr.
type().
id()==ID_cpp_name)
916 if(symbol_expr.
id()==ID_type)
949 error() <<
"invalid explicit cast:\n" 960 error() <<
"explicit typecast expects 0 or 1 operands" <<
eom;
971 expr.
id(
"explicit-typecast");
976 assert(expr.
type().
id()==ID_struct);
978 typet symb(ID_symbol);
979 symb.set(ID_identifier, expr.
type().
get(ID_name));
992 error() <<
"`this' is not allowed here" <<
eom;
1000 assert(this_expr.
type().
id()==ID_pointer);
1011 error() <<
"delete expects one operand" <<
eom;
1017 if(statement==ID_cpp_delete)
1020 else if(statement==ID_cpp_delete_array)
1031 error() <<
"delete takes a pointer type operand, but got `" 1047 new_object.
set(ID_C_lvalue,
true);
1060 expr.
set(ID_destructor, destructor_code);
1067 std::cout <<
"E: " << expr.
pretty() <<
'\n';
1079 error() <<
"error: member operator expects one operand" <<
eom;
1095 exprt tmp(
"cpp_dummy_destructor");
1106 if(followed_op0_type.id()==ID_incomplete_struct ||
1107 followed_op0_type.id()==ID_incomplete_union)
1110 error() <<
"error: member operator got incomplete type " 1111 <<
"on left hand side" <<
eom;
1115 if(followed_op0_type.id()!=ID_struct &&
1116 followed_op0_type.id()!=ID_union)
1119 error() <<
"error: member operator requires struct/union type " 1120 <<
"on left hand side but got `" 1148 if(symbol_expr.
id()==ID_dereference)
1150 assert(symbol_expr.
get_bool(ID_C_implicit));
1152 symbol_expr.
swap(tmp);
1155 assert(symbol_expr.
id()==ID_symbol ||
1156 symbol_expr.
id()==ID_member ||
1157 symbol_expr.
id()==ID_constant);
1163 if(symbol_expr.
id()==ID_symbol)
1165 if(symbol_expr.
type().
id()==ID_code &&
1166 symbol_expr.
type().
get(ID_return_type)==ID_constructor)
1169 error() <<
"error: member `" 1170 <<
lookup(symbol_expr.
get(ID_identifier)).base_name
1171 <<
"' is a constructor" <<
eom;
1183 error() <<
"error: `" 1184 << symbol_expr.
get(ID_identifier)
1185 <<
"' is not static member " 1186 <<
"of class `" <<
to_string(type) <<
"'" 1195 else if(symbol_expr.
id()==ID_constant)
1201 const irep_idt component_name=symbol_expr.
get(ID_component_name);
1203 expr.
remove(ID_component_cpp_name);
1204 expr.
set(ID_component_name, component_name);
1207 const irep_idt &component_name=expr.
get(ID_component_name);
1209 assert(component_name!=
"");
1230 error() <<
"error: member `" << component_name
1232 <<
"' not found" <<
eom;
1238 if(expr.
type().
id()==ID_code)
1241 symbol_tablet::symbolst::iterator it=
1246 symbolt &func_symb=it->second;
1248 if(func_symb.value.id()==
"cpp_not_typechecked")
1249 func_symb.
value.
set(
"is_used",
true);
1257 assert(expr.
id()==ID_ptrmember);
1262 error() <<
"error: ptrmember operator expects one operand" <<
eom;
1271 error() <<
"error: ptrmember operator requires pointer type " 1272 <<
"on left hand side, but got `" 1282 op.
id(ID_dereference);
1299 error() <<
"cast expressions expect one operand" <<
eom;
1309 f_op.
get_sub().front().get(ID_identifier);
1311 if(f_op.
get_sub().size()!=2 ||
1312 f_op.
get_sub()[1].id()!=ID_template_args)
1315 error() <<
id <<
" expects template argument" <<
eom;
1319 irept &template_arguments=f_op.
get_sub()[1].add(ID_arguments);
1321 if(template_arguments.
get_sub().size()!=1)
1324 error() <<
id <<
" expects one template argument" <<
eom;
1328 irept &template_arg=template_arguments.
get_sub().front();
1330 if(template_arg.
id()!=ID_type &&
1331 template_arg.
id()!=
"ambiguous")
1334 error() <<
id <<
" expects a type as template argument" <<
eom;
1339 template_arguments.
get_sub().front().add(ID_type));
1346 if(
id==ID_const_cast)
1351 error() <<
"type mismatch on const_cast:\n" 1358 else if(
id==ID_dynamic_cast)
1363 error() <<
"type mismatch on dynamic_cast:\n" 1370 else if(
id==ID_reinterpret_cast)
1375 error() <<
"type mismatch on reinterpret_cast:\n" 1382 else if(
id==ID_static_cast)
1387 error() <<
"type mismatch on static_cast:\n" 1397 expr.
swap(new_expr);
1407 if(expr.
get_sub().size()==1 &&
1408 expr.
get_sub()[0].id()==ID_name)
1412 if(identifier==
"__sync_fetch_and_add" ||
1413 identifier==
"__sync_fetch_and_sub" ||
1414 identifier==
"__sync_fetch_and_or" ||
1415 identifier==
"__sync_fetch_and_and" ||
1416 identifier==
"__sync_fetch_and_xor" ||
1417 identifier==
"__sync_fetch_and_nand" ||
1418 identifier==
"__sync_add_and_fetch" ||
1419 identifier==
"__sync_sub_and_fetch" ||
1420 identifier==
"__sync_or_and_fetch" ||
1421 identifier==
"__sync_and_and_fetch" ||
1422 identifier==
"__sync_xor_and_fetch" ||
1423 identifier==
"__sync_nand_and_fetch" ||
1424 identifier==
"__sync_val_compare_and_swap" ||
1425 identifier==
"__sync_lock_test_and_set" ||
1426 identifier==
"__sync_lock_release")
1435 error() <<
"__sync_* primitives take as least one argument" 1442 if(ptr_arg.
type().
id()!=ID_pointer)
1445 error() <<
"__sync_* primitives take a pointer as first argument" 1451 result.add_source_location()=source_location;
1452 result.set_identifier(identifier);
1461 else if(identifier==
"__atomic_load_n")
1470 error() << identifier <<
" expects two arguments" <<
eom;
1476 if(ptr_arg.
type().
id()!=ID_pointer)
1479 error() << identifier <<
" takes a pointer as first argument" 1485 result.add_source_location()=source_location;
1486 result.set_identifier(identifier);
1495 else if(identifier==
"__atomic_store_n")
1504 error() << identifier <<
" expects three arguments" <<
eom;
1510 if(ptr_arg.
type().
id()!=ID_pointer)
1513 error() << identifier <<
" takes a pointer as first argument" 1519 result.add_source_location()=source_location;
1520 result.set_identifier(identifier);
1531 else if(identifier==
"__atomic_exchange_n")
1540 error() << identifier <<
" expects three arguments" <<
eom;
1546 if(ptr_arg.
type().
id()!=ID_pointer)
1549 error() << identifier <<
" takes a pointer as first argument" 1555 result.add_source_location()=source_location;
1556 result.set_identifier(identifier);
1567 else if(identifier==
"__atomic_load" ||
1568 identifier==
"__atomic_store")
1576 error() << identifier <<
" expects three arguments" <<
eom;
1580 if(fargs.
operands[0].type().id()!=ID_pointer)
1583 error() << identifier <<
" takes a pointer as first argument" 1588 if(fargs.
operands[1].type().id()!=ID_pointer)
1591 error() << identifier <<
" takes a pointer as second argument" 1599 result.add_source_location()=source_location;
1600 result.set_identifier(identifier);
1610 else if(identifier==
"__atomic_exchange")
1617 error() << identifier <<
" expects four arguments" <<
eom;
1621 if(fargs.
operands[0].type().id()!=ID_pointer)
1624 error() << identifier <<
" takes a pointer as first argument" 1629 if(fargs.
operands[1].type().id()!=ID_pointer)
1632 error() << identifier <<
" takes a pointer as second argument" 1637 if(fargs.
operands[2].type().id()!=ID_pointer)
1640 error() << identifier <<
" takes a pointer as third argument" 1648 result.add_source_location()=source_location;
1649 result.set_identifier(identifier);
1660 else if(identifier==
"__atomic_compare_exchange_n" ||
1661 identifier==
"__atomic_compare_exchange")
1671 error() << identifier <<
" expects six arguments" <<
eom;
1675 if(fargs.
operands[0].type().id()!=ID_pointer)
1678 error() << identifier <<
" takes a pointer as first argument" 1683 if(fargs.
operands[1].type().id()!=ID_pointer)
1686 error() << identifier <<
" takes a pointer as second argument" 1691 if(identifier==
"__atomic_compare_exchange" &&
1692 fargs.
operands[2].type().id()!=ID_pointer)
1695 error() << identifier <<
" takes a pointer as third argument" 1703 result.add_source_location()=source_location;
1704 result.set_identifier(identifier);
1709 if(identifier==
"__atomic_compare_exchange")
1723 else if(identifier==
"__atomic_add_fetch" ||
1724 identifier==
"__atomic_sub_fetch" ||
1725 identifier==
"__atomic_and_fetch" ||
1726 identifier==
"__atomic_xor_fetch" ||
1727 identifier==
"__atomic_or_fetch" ||
1728 identifier==
"__atomic_nand_fetch")
1733 error() <<
"__atomic_*_fetch primitives take three arguments" 1740 if(ptr_arg.
type().
id()!=ID_pointer)
1743 error() <<
"__atomic_*_fetch primitives take pointer as first argument" 1749 result.add_source_location()=source_location;
1750 result.set_identifier(identifier);
1759 else if(identifier==
"__atomic_fetch_add" ||
1760 identifier==
"__atomic_fetch_sub" ||
1761 identifier==
"__atomic_fetch_and" ||
1762 identifier==
"__atomic_fetch_xor" ||
1763 identifier==
"__atomic_fetch_or" ||
1764 identifier==
"__atomic_fetch_nand")
1769 error() <<
"__atomic_fetch_* primitives take three arguments" 1776 if(ptr_arg.
type().
id()!=ID_pointer)
1779 error() <<
"__atomic_fetch_* primitives take pointer as first argument" 1785 result.add_source_location()=source_location;
1786 result.set_identifier(identifier);
1795 else if(identifier==
"__atomic_test_and_set")
1798 else if(identifier==
"__atomic_clear")
1801 else if(identifier==
"__atomic_thread_fence")
1804 else if(identifier==
"__atomic_signal_fence")
1807 else if(identifier==
"__atomic_always_lock_free")
1810 else if(identifier==
"__atomic_is_lock_free")
1815 for(std::size_t i=0; i<expr.
get_sub().size(); i++)
1817 if(expr.
get_sub()[i].id()==ID_cpp_name)
1824 typet name(ID_name);
1825 name.
set(ID_identifier, tmp);
1832 if(expr.
get_sub().size()>=1 &&
1833 expr.
get_sub().front().id()==ID_name)
1837 if(
id==ID_const_cast ||
1838 id==ID_dynamic_cast ||
1839 id==ID_reinterpret_cast ||
1842 expr.
id(
"cast_expression");
1854 assert(symbol_expr.
id()!=ID_type);
1856 if(symbol_expr.
id()==ID_member)
1858 if(symbol_expr.
operands().empty() ||
1861 if(symbol_expr.
type().
get(ID_return_type)!=ID_constructor)
1865 if(symbol_expr.
type().
id()!=ID_code)
1868 error() <<
"object missing" <<
eom;
1877 exprt ptrmem(ID_ptrmember);
1881 ptrmem.
add(ID_component_cpp_name)=expr;
1885 symbol_expr.
swap(ptrmem);
1894 if(expr.
id()==ID_symbol)
1906 tmp.
set(ID_C_implicit,
true);
1908 tmp.move_to_operands(expr);
1909 tmp.
set(ID_C_lvalue,
true);
1920 bool is_qualified=
false;
1925 if(expr.
function().
get(ID_component_cpp_name)==ID_cpp_name)
1957 exprt tmp_object_expr(ID_side_effect, pod);
1958 tmp_object_expr.
set(ID_statement, ID_temporary_object);
1959 tmp_object_expr.
set(ID_C_lvalue,
true);
1960 tmp_object_expr.
set(ID_mode, ID_cpp);
1962 expr.
swap(tmp_object_expr);
1966 exprt typecast(
"explicit-typecast");
1967 typecast.
type()=pod;
1971 expr.
swap(typecast);
1976 error() <<
"zero or one argument expected" <<
eom;
1982 else if(expr.
function().
id()==
"cast_expression")
1990 else if(expr.
function().
id()==
"cpp_dummy_destructor")
1993 expr.
set(ID_statement, ID_skip);
2012 error() <<
"pointer-to-member not bound" <<
eom;
2017 assert(bound.
type().
id()==ID_pointer);
2037 tmp.move_to_operands(expr.
function());
2044 error() <<
"expecting code as argument" <<
eom;
2054 if(op0.
id()==ID_member || op0.
id()==ID_ptrmember)
2056 vtptr_member.
id(op0.
id());
2061 vtptr_member.
id(ID_ptrmember);
2062 exprt this_expr(
"cpp-this");
2080 vtptr_member.
set(ID_component_name, vtable_name);
2087 exprt vtentry_member(ID_ptrmember);
2089 vtentry_member.
set(ID_component_name, vtentry_component_name);
2092 assert(vtentry_member.
type().
id()==ID_pointer);
2097 tmp.move_to_operands(vtentry_member);
2098 vtentry_member.
swap(tmp);
2119 irept name(ID_name);
2120 name.
set(ID_identifier,
"operator()");
2124 cppname.
get_sub().push_back(name);
2126 exprt member(ID_member);
2127 member.
add(ID_component_cpp_name)=cppname;
2139 error() <<
"function call expects function or function " 2140 <<
"pointer as argument, but got `" 2148 if(expr.
type().
id()==ID_constructor)
2155 assert(parameters.size()>=1);
2157 const typet &this_type=parameters[0].type();
2163 exprt tmp_object_expr(ID_side_effect, this_type.subtype());
2164 tmp_object_expr.
set(ID_statement, ID_temporary_object);
2165 tmp_object_expr.set(ID_C_lvalue,
true);
2166 tmp_object_expr.set(ID_mode, ID_cpp);
2171 exprt new_object(
"new_object", tmp_object_expr.type());
2172 new_object.
set(ID_C_lvalue,
true);
2174 assert(
follow(tmp_object_expr.type()).
id()==ID_struct);
2182 if(member.
get_bool(
"#not_accessible"))
2184 assert(member.
get(ID_C_access)!=
"");
2185 tmp_object_expr.set(
"#not_accessible",
true);
2186 tmp_object_expr.set(ID_C_access, member.
get(ID_C_access));
2196 for(struct_typet::componentst::const_iterator
2197 it=components.begin();
2198 it!=components.end();
2201 const typet &type=it->type();
2203 if(!it->get_bool(ID_from_base) &&
2204 type.
id()==ID_code &&
2205 type.
find(ID_return_type).
id()==ID_destructor)
2207 symbol_tablet::symbolst::iterator s_it=
2221 codet new_code(ID_expression);
2224 tmp_object_expr.add(ID_initializer)=new_code;
2225 expr.
swap(tmp_object_expr);
2242 if(arguments.size()>=1 &&
2243 arguments.front().get(ID_C_base_name)==ID_this &&
2246 const exprt &argument=
2247 static_cast<const exprt &
>(arguments.front());
2250 assert(argument.
type().
id()==ID_pointer);
2252 if(operand.
type().
id()!=ID_pointer &&
2287 if(parameters.size()>expr.
arguments().size())
2291 for(; i<parameters.size(); i++)
2293 if(!parameters[i].has_default_value())
2296 const exprt &value=parameters[i].default_value();
2301 exprt::operandst::iterator arg_it=expr.
arguments().begin();
2302 for(
const auto ¶meter : parameters)
2304 if(parameter.get_bool(
"#call_by_value"))
2308 if(arg_it->id()!=ID_temporary_object)
2312 exprt arg(
"already_typechecked");
2317 arg_it->source_location(),
2318 parameter.type().subtype(),
2321 arg_it->swap(temporary);
2336 if(statement==ID_cpp_new ||
2337 statement==ID_cpp_new_array)
2341 else if(statement==ID_cpp_delete ||
2342 statement==ID_cpp_delete_array)
2346 else if(statement==ID_preincrement ||
2347 statement==ID_predecrement ||
2348 statement==ID_postincrement ||
2349 statement==ID_postdecrement)
2353 else if(statement==ID_throw)
2357 else if(statement==ID_temporary_object)
2378 const symbolt &symbol=
lookup(member_expr.get(ID_component_name));
2392 assert(this_type.
id()==ID_pointer);
2393 this_type.
set(ID_C_reference,
true);
2394 this_type.
set(
"#this",
true);
2405 expr.
arguments().front().type().remove(ID_C_reference);
2418 if(symbol.
value.
id()==
"cpp_not_typechecked" &&
2430 error() <<
"assignment side effect expected to have two operands" 2444 if(
follow(type0).
id()==ID_struct)
2445 expr.
op0().
set(ID_C_lvalue,
true);
2451 expr.
set(ID_C_lvalue,
true);
2458 std::string strop=
"operator";
2462 if(statement==ID_assign)
2464 else if(statement==ID_assign_shl)
2466 else if(statement==ID_assign_shr)
2468 else if(statement==ID_assign_plus)
2470 else if(statement==ID_assign_minus)
2472 else if(statement==ID_assign_mult)
2474 else if(statement==ID_assign_div)
2476 else if(statement==ID_assign_bitand)
2478 else if(statement==ID_assign_bitor)
2480 else if(statement==ID_assign_bitxor)
2485 error() <<
"bad assignment operator `" << statement <<
"'" <<
eom;
2491 cpp_name.
get_sub().front().set(ID_identifier, strop);
2498 exprt member(ID_member);
2499 member.
set(ID_component_cpp_name, cpp_name);
2519 <<
" expected to have one operand" <<
eom;
2528 tmp_type.id()==ID_pointer)
2537 std::string str_op=
"operator";
2540 if(expr.
get(ID_statement)==ID_preincrement)
2542 else if(expr.
get(ID_statement)==ID_predecrement)
2544 else if(expr.
get(ID_statement)==ID_postincrement)
2549 else if(expr.
get(ID_statement)==ID_postdecrement)
2557 error() <<
"bad assignment operator `" 2565 cpp_name.
get_sub().front().set(ID_identifier, str_op);
2571 exprt member(ID_member);
2572 member.
set(ID_component_cpp_name, cpp_name);
2585 expr.
swap(new_expr);
2593 error() <<
"unary operator * expects one operand" <<
eom;
2600 if(op_type.
id()==ID_pointer &&
2604 error() <<
"pointer-to-member must use " 2605 <<
"the .* or ->* operators" <<
eom;
2614 assert(expr.
id()==
"pointer-to-member");
2615 assert(expr.
operands().size() == 2);
2621 error() <<
"pointer-to-member expected" <<
eom;
2633 if(t0.id()!=ID_struct)
2636 error() <<
"pointer-to-member type error" <<
eom;
2646 error() <<
"pointer-to-member type error" <<
eom;
2653 error() <<
"pointers to data member are not supported" <<
eom;
2661 if(expr.
op0().
id()==ID_dereference)
2681 if(expr.
id()==ID_symbol)
2684 symbol_tablet::symbolst::iterator it=
2689 symbolt &func_symb=it->second;
2691 if(func_symb.value.id()==
"cpp_not_typechecked")
2692 func_symb.
value.
set(
"is_used",
true);
2700 bool override_constantness=
2701 expr.
get_bool(
"#override_constantness");
2708 if(expr.
id()==ID_cpp_name)
2716 if(override_constantness)
2717 expr.
type().
set(ID_C_constant,
false);
2730 if(expr.
id()!=
"explicit-typecast")
2737 if(expr.
type().
id()==ID_cpp_name &&
2739 (op0_id==ID_unary_plus ||
2740 op0_id==ID_unary_minus ||
2741 op0_id==ID_address_of ||
2742 op0_id==ID_dereference))
2744 exprt resolve_result=
2750 if(resolve_result.
id()!=ID_type)
2754 exprt new_binary_expr;
2756 new_binary_expr.
operands().resize(2);
2760 if(op0_id==ID_unary_plus)
2761 new_binary_expr.
id(ID_plus);
2762 else if(op0_id==ID_unary_minus)
2763 new_binary_expr.
id(ID_minus);
2764 else if(op0_id==ID_address_of)
2765 new_binary_expr.
id(ID_bitand);
2766 else if(op0_id==ID_dereference)
2767 new_binary_expr.
id(ID_mult);
2770 expr.
swap(new_binary_expr);
2780 error() <<
"operator `" << expr.
id() <<
"' expects two operands" 2801 error() <<
"comma operator expects two operands" <<
eom;
side_effect_expr_function_callt & to_side_effect_expr_function_call(exprt &expr)
void typecheck_function_expr(exprt &expr, const cpp_typecheck_fargst &fargs)
The type of an expression.
irep_idt name
The unique identifier.
void typecheck_expr_dereference(exprt &expr)
const typet & follow(const typet &src) const
struct configt::ansi_ct ansi_c
virtual void typecheck_side_effect_assignment(side_effect_exprt &expr)
void typecheck_side_effect_function_call(side_effect_expr_function_callt &expr)
virtual bool lookup(const irep_idt &name, const symbolt *&symbol) const
Linking: Zero Initialization.
void typecheck_type(typet &type)
A generic base class for relations, i.e., binary predicates.
pointer_typet pointer_type(const typet &subtype)
void new_temporary(const source_locationt &source_location, const typet &, const exprt::operandst &ops, exprt &temporary)
void typecheck_expr_member(exprt &expr)
virtual void typecheck_expr_index(exprt &expr)
void typecheck_expr_rel(binary_relation_exprt &expr)
std::string pretty(unsigned indent=0, unsigned max_indent=0) const
std::vector< irept > subt
void add_implicit_dereference(exprt &expr)
static exprt collect_comma_expression(const exprt &src)
bool base_type_eq(const typet &type1, const typet &type2, const namespacet &ns)
bool static_typecast(const exprt &expr, const typet &type, exprt &new_expr, bool check_constantness=true)
bool has_base(const irep_idt &id) const
bool find_parent(const symbolt &symb, const irep_idt &base_name, irep_idt &identifier)
exprt::operandst operands
void copy_to_operands(const exprt &expr)
irept cpp_exception_list(const typet &src, const namespacet &ns)
turns a type into a list of relevant exception IDs
cpp_namet & to_cpp_name(irept &cpp_name)
std::vector< componentt > componentst
void move_to_operands(exprt &expr)
std::vector< parametert > parameterst
void typecheck_expr_function_identifier(exprt &expr)
void already_typechecked(irept &irep)
bool overloadable(const exprt &expr)
virtual void typecheck_code(codet &code)
exprt value
Initial value of symbol.
const componentst & components() const
The trinary if-then-else operator.
void explicit_typecast_ambiguity(exprt &expr)
void typecheck_method_application(side_effect_expr_function_callt &expr)
void typecheck_expr_delete(exprt &expr)
void typecheck_expr_this(exprt &expr)
virtual void implicit_typecast(exprt &expr, const typet &type)
Symbol table entry.This is a symbol in the symbol table, stored in an object of type symbol_tablet...
static mstreamt & eom(mstreamt &m)
bool standard_conversion_function_to_pointer(const exprt &expr, exprt &new_expr) const
Function-to-pointer conversion.
bool get_bool(const irep_namet &name) const
void typecheck_expr_typecast(exprt &expr)
bool is_qualified() const
void typecheck_expr_binary_arithmetic(exprt &expr)
virtual void typecheck_expr(exprt &expr)
symbol_tablet & symbol_table
const struct_union_typet & to_struct_union_type(const typet &type)
Cast a generic typet to a struct_union_typet.
void typecheck_expr_explicit_typecast(exprt &expr)
bool dynamic_typecast(const exprt &expr, const typet &type, exprt &new_expr)
void read(const typet &src)
void add_method_body(symbolt *_method_symbol)
const irep_idt & id() const
exprt c_sizeof(const typet &src, const namespacet &ns)
const source_locationt & source_location() const
void typecheck_expr_ptrmember(exprt &expr)
const array_typet & to_array_type(const typet &type)
Cast a generic typet to an array_typet.
void typecheck_function_call_arguments(side_effect_expr_function_callt &expr)
void elaborate_class_template(const typet &type)
elaborate class template instances
virtual void typecheck_expr_side_effect(side_effect_exprt &expr)
void typecheck_expr_explicit_constructor_call(exprt &expr)
The boolean constant true.
virtual void typecheck_expr_operands(exprt &expr)
A reference into the symbol table.
void typecheck_cast_expr(exprt &expr)
reference_typet reference_type(const typet &subtype)
struct operator_entryt operators[]
const source_locationt & find_source_location() const
source_locationt source_location
bool cpp_is_pod(const typet &type) const
bool reinterpret_typecast(const exprt &expr, const typet &type, exprt &new_expr, bool check_constantness=true)
virtual void typecheck_expr_binary_arithmetic(exprt &expr)
C++ Language Type Checking.
API to expression classes.
bool is_reference(const typet &type)
TO_BE_DOCUMENTED.
const irep_idt & get(const irep_namet &name) const
codet cpp_destructor(const source_locationt &source_location, const typet &type, const exprt &object)
std::string cpp_type2name(const typet &type)
virtual void typecheck_expr(exprt &expr)
Base class for tree-like data structures with sharing.
#define forall_operands(it, expr)
irep_idt class_identifier
void add_object(const exprt &expr)
C++ Language Type Checking.
void typecheck_expr_throw(exprt &expr)
bitvector_typet index_type()
void typecheck_side_effect_assignment(side_effect_exprt &expr)
void convert_pmop(exprt &expr)
Operator to return the address of an object.
void zero_initializer(const exprt &object, const typet &type, const source_locationt &source_location, exprt::operandst &ops)
exprt resolve(const cpp_namet &cpp_name, const cpp_typecheck_resolvet::wantt want, const cpp_typecheck_fargst &fargs, bool fail_with_exception=true)
The boolean constant false.
virtual void typecheck_expr_function_identifier(exprt &expr)
void typecheck_expr_trinary(if_exprt &expr)
const struct_typet & to_struct_type(const typet &type)
Cast a generic typet to a struct_typet.
virtual void typecheck_function_call_arguments(side_effect_expr_function_callt &expr)
cpp_scopet & set_scope(const irep_idt &identifier)
A function call side effect.
bool const_typecast(const exprt &expr, const typet &type, exprt &new_expr)
bool get_component(const source_locationt &source_location, const exprt &object, const irep_idt &component_name, exprt &member)
void typecheck_expr_address_of(exprt &expr)
virtual exprt do_special_functions(side_effect_expr_function_callt &expr)
typet type
Type of symbol.
virtual void typecheck_expr_sizeof(exprt &expr)
void follow_symbol(irept &irep) const
bool subtype_typecast(const struct_typet &from, const struct_typet &to) const
message_handlert & get_message_handler()
bool operator_is_overloaded(exprt &expr)
bool standard_conversion_lvalue_to_rvalue(const exprt &expr, exprt &new_expr) const
Lvalue-to-rvalue conversion.
Base type of C structs and unions, and C++ classes.
bool is_number(const typet &type)
bool is_subset_of(const c_qualifierst &q) const
void typecheck_expr_comma(exprt &expr)
std::string type2cpp(const typet &type, const namespacet &ns)
Base class for all expressions.
const parameterst & parameters() const
const symbol_exprt & to_symbol_expr(const exprt &expr)
Cast a generic exprt to a symbol_exprt.
cpp_scopet & current_scope()
source_locationt & add_source_location()
const source_locationt & source_location() const
virtual void typecheck_expr_dereference(exprt &expr)
irept & add(const irep_namet &name)
virtual std::string to_string(const typet &type)
const std::string & get_string(const irep_namet &name) const
const code_typet & to_code_type(const typet &type)
Cast a generic typet to a code_typet.
exprt::operandst & arguments()
void typecheck_expr_side_effect(side_effect_exprt &expr)
source_locationt & add_source_location()
void typecheck_expr_main(exprt &expr)
Called after the operands are done.
bool standard_conversion_array_to_pointer(const exprt &expr, exprt &new_expr) const
Array-to-pointer conversion.
Expression to hold a symbol (variable)
virtual void typecheck_expr_rel(binary_relation_exprt &expr)
A statement in a programming language.
signedbv_typet signed_int_type()
void typecheck_expr_cpp_name(exprt &expr, const cpp_typecheck_fargst &fargs)
exprt cpp_symbol_expr(const symbolt &symbol)
void remove(const irep_namet &name)
void typecheck_side_effect_inc_dec(side_effect_exprt &expr)
const typet & subtype() const
virtual void typecheck_expr_address_of(exprt &expr)
virtual void typecheck_expr_comma(exprt &expr)
An expression containing a side effect.
void typecheck_expr_sizeof(exprt &expr)
bool implicit_conversion_sequence(const exprt &expr, const typet &type, exprt &new_expr, unsigned &rank)
implicit conversion sequence
virtual void typecheck_expr_main(exprt &expr)
void typecheck_expr_index(exprt &expr)
const irept & find(const irep_namet &name) const
const typet & return_type() const
codet cpp_constructor(const source_locationt &source_location, const exprt &object, const exprt::operandst &operands)
void typecheck_expr_new(exprt &expr)
void set(const irep_namet &name, const irep_idt &value)
const componentt & get_component(const irep_idt &component_name) const
const irep_idt & get_statement() const
#define forall_irep(it, irep)
const class_typet & to_class_type(const typet &type)
Cast a generic typet to a class_typet.