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38 new_symbol.
value=expr;
44 result.add_source_location()=source_location;
53 convert(code_assign, dest, mode);
67 if(expr.
id()==ID_dereference ||
68 expr.
id()==ID_side_effect ||
69 expr.
id()==ID_compound_literal ||
73 if(expr.
id()==ID_index)
99 if(expr.
id()==ID_forall || expr.
id()==ID_exists)
118 "' must be Boolean, but got ",
126 if(expr.
id()==ID_and)
134 for(exprt::operandst::reverse_iterator
143 "boolean operators must have only boolean operands",
146 if(expr.
id()==ID_and)
178 if(expr.
id()==ID_and || expr.
id()==ID_or)
187 else if(expr.
id()==ID_if)
202 "condition for an 'if' must be boolean",
243 convert(assignment_true, tmp_true, mode);
249 convert(assignment_false, tmp_false, mode);
263 convert(code_expression, tmp_true, mode);
272 convert(code_expression, tmp_false, mode);
280 if_expr.
cond(), tmp_true, tmp_false, source_location, dest, mode);
284 else if(expr.
id()==ID_comma)
292 bool last=(it==--expr.
operands().end());
328 else if(expr.
id()==ID_typecast)
340 else if(expr.
id()==ID_side_effect)
345 if(statement==ID_gcc_conditional_expression)
351 else if(statement==ID_statement_expression)
359 else if(statement==ID_assign)
364 "side-effect assignment expressions must have two operands");
369 side_effect_assign.rhs().id() == ID_side_effect &&
373 clean_expr(side_effect_assign.lhs(), dest, mode);
374 exprt lhs = side_effect_assign.lhs();
378 assignment.
lhs()=lhs;
379 assignment.
rhs() = side_effect_assign.rhs();
390 else if(statement==ID_function_call)
395 function()).get_identifier()==
"__noop")
403 else if(expr.
id()==ID_forall || expr.
id()==ID_exists)
407 "the front-end should check quantified expressions for side-effects");
409 else if(expr.
id()==ID_address_of)
421 if(expr.
id()==ID_side_effect)
425 else if(expr.
id()==ID_compound_literal)
429 expr.
operands().size() == 1,
"ID_compound_literal has a single operand");
442 if(expr.
id()==ID_compound_literal)
445 expr.
operands().size() == 1,
"ID_compound_literal has a single operand");
449 else if(expr.
id()==ID_string_constant)
454 else if(expr.
id()==ID_index)
460 else if(expr.
id()==ID_dereference)
465 else if(expr.
id()==ID_comma)
474 bool last=(it==--expr.
operands().end());
494 else if(expr.
id() == ID_side_effect)
dstringt has one field, an unsigned integer no which is an index into a static table of strings.
static exprt conditional_cast(const exprt &expr, const typet &type)
const unary_exprt & to_unary_expr(const exprt &expr)
Cast an exprt to a unary_exprt.
static bool needs_cleaning(const exprt &expr)
side_effect_expr_function_callt & to_side_effect_expr_function_call(exprt &expr)
bool has_subexpr(const exprt &expr, const std::function< bool(const exprt &)> &pred)
returns true if the expression has a subexpression that satisfies pred
#define Forall_operands(it, expr)
@ AUTOMATIC_LOCAL
Allocate local objects with automatic lifetime.
void convert(const codet &code, goto_programt &dest, const irep_idt &mode)
converts 'code' and appends the result to 'dest'
void copy(const codet &code, goto_program_instruction_typet type, goto_programt &dest)
Fresh auxiliary symbol creation.
void clean_expr(exprt &expr, goto_programt &dest, const irep_idt &mode, bool result_is_used=true)
const index_exprt & to_index_expr(const exprt &expr)
Cast an exprt to an index_exprt.
const if_exprt & to_if_expr(const exprt &expr)
Cast an exprt to an if_exprt.
Operator to dereference a pointer.
void remove_gcc_conditional_expression(exprt &expr, goto_programt &dest, const irep_idt &mode)
The trinary if-then-else operator.
std::string tmp_symbol_prefix
A codet representing the declaration of a local variable.
void generate_ifthenelse(const exprt &cond, goto_programt &true_case, goto_programt &false_case, const source_locationt &, goto_programt &dest, const irep_idt &mode)
if(guard) true_case; else false_case;
Base class for all expressions.
void clean_expr_address_of(exprt &expr, goto_programt &dest, const irep_idt &mode)
bool is_true() const
Return whether the expression is a constant representing true.
void remove_side_effect(side_effect_exprt &expr, goto_programt &dest, const irep_idt &mode, bool result_is_used)
side_effect_exprt & to_side_effect_expr(exprt &expr)
Expression to hold a symbol (variable)
symbolt & new_tmp_symbol(const typet &type, const std::string &suffix, goto_programt &dest, const source_locationt &, const irep_idt &mode)
bool is_false() const
Return whether the expression is a constant representing false.
const binary_exprt & to_binary_expr(const exprt &expr)
Cast an exprt to a binary_exprt.
typet & type()
Return the type of the expression.
struct goto_convertt::targetst targets
void add(const codet &destructor)
Adds a destructor to the current stack, attaching itself to the current node.
mstreamt & result() const
#define DATA_INVARIANT_WITH_DIAGNOSTICS(CONDITION, REASON,...)
#define DATA_INVARIANT(CONDITION, REASON)
This condition should be used to document that assumptions that are made on goto_functions,...
const address_of_exprt & to_address_of_expr(const exprt &expr)
Cast an exprt to an address_of_exprt.
#define forall_operands(it, expr)
void rewrite_boolean(exprt &dest)
re-write boolean operators into ?:
#define PRECONDITION(CONDITION)
const source_locationt & find_source_location() const
Get a source_locationt from the expression or from its operands (non-recursively).
void remove_statement_expression(side_effect_exprt &expr, goto_programt &dest, const irep_idt &mode, bool result_is_used)
class symbol_exprt symbol_expr() const
Produces a symbol_exprt for a symbol.
bool simplify(exprt &expr, const namespacet &ns)
symbol_exprt make_compound_literal(const exprt &expr, goto_programt &dest, const irep_idt &mode)
const symbol_exprt & to_symbol_expr(const exprt &expr)
Cast an exprt to a symbol_exprt.
const irep_idt & id() const
std::vector< exprt > operandst
The Boolean constant false.
A codet representing the removal of a local variable going out of scope.
void convert_assign(const code_assignt &code, goto_programt &dest, const irep_idt &mode)
side_effect_expr_assignt & to_side_effect_expr_assign(exprt &expr)
const irep_idt & get_statement() const
Deprecated expression utility functions.
const dereference_exprt & to_dereference_expr(const exprt &expr)
Cast an exprt to a dereference_exprt.
exprt value
Initial value of symbol.
destructor_treet destructor_stack
exprt::operandst & arguments()
const typecast_exprt & to_typecast_expr(const exprt &expr)
Cast an exprt to a typecast_exprt.
#define PRECONDITION_WITH_DIAGNOSTICS(CONDITION,...)
A generic container class for the GOTO intermediate representation of one function.
symbol_table_baset & symbol_table
Operator to return the address of an object.
source_locationt & add_source_location()
Semantic type conversion.
A codet representing an assignment in the program.
The Boolean constant true.
bool is_boolean() const
Return whether the expression represents a Boolean.
API to expression classes.
const source_locationt & source_location() const
symbolt & get_fresh_aux_symbol(const typet &type, const std::string &name_prefix, const std::string &basename_prefix, const source_locationt &source_location, const irep_idt &symbol_mode, const namespacet &ns, symbol_table_baset &symbol_table)
Installs a fresh-named symbol with respect to the given namespace ns with the requested name pattern ...
codet representation of an expression statement.