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9 changes: 9 additions & 0 deletions src/verilog/verilog_expr.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -526,3 +526,12 @@ verilog_module_instancet::verilog_module_instancet(
{
module_identifier(_module_identifier);
}

verilog_set_genvarst::genvarst verilog_set_genvarst::build_map() const
{
const auto &variables = this->variables();
genvarst genvars;
for(auto &var : variables)
genvars[id2string(var.first)] = string2integer(var.second.id_string());
return genvars;
}
11 changes: 9 additions & 2 deletions src/verilog/verilog_expr.h
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,10 @@ Author: Daniel Kroening, kroening@kroening.com
#ifndef CPROVER_VERILOG_EXPR_H
#define CPROVER_VERILOG_EXPR_H

#include <util/mp_arith.h>
#include <util/std_expr.h>

#include <map>
#include <set>

/// A simple Verilog identifier, unqualified
Expand Down Expand Up @@ -941,24 +943,29 @@ class verilog_set_genvarst : public verilog_module_itemt

const verilog_module_itemt &module_item() const
{
return static_cast<const verilog_module_itemt &>(get_sub()[0]);
return static_cast<const verilog_module_itemt &>(op0());
}

verilog_module_itemt &module_item()
{
return static_cast<verilog_module_itemt &>(get_sub()[0]);
return static_cast<verilog_module_itemt &>(op0());
}

typedef std::map<irep_idt, mp_integer> genvarst;
genvarst build_map() const;
};

inline const verilog_set_genvarst &to_verilog_set_genvars(const exprt &expr)
{
PRECONDITION(expr.id() == ID_set_genvars);
PRECONDITION(expr.operands().size() == 1);
return static_cast<const verilog_set_genvarst &>(expr);
}

inline verilog_set_genvarst &to_verilog_set_genvars(exprt &expr)
{
PRECONDITION(expr.id() == ID_set_genvars);
PRECONDITION(expr.operands().size() == 1);
return static_cast<verilog_set_genvarst &>(expr);
}

Expand Down
11 changes: 2 additions & 9 deletions src/verilog/verilog_typecheck.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1707,15 +1707,8 @@ void verilog_typecheckt::convert_module_item(
}
else if(module_item.id() == ID_set_genvars)
{
genvars.clear();
const auto &variables = to_verilog_set_genvars(module_item).variables();
for(auto &var : variables)
genvars[id2string(var.first)] = string2integer(var.second.id_string());

if(module_item.operands().size()!=1)
{
throw errort() << "set_genvars expects one operand";
}
auto &set_genvars = to_verilog_set_genvars(module_item);
genvars = set_genvars.build_map();

exprt tmp;
tmp.swap(to_unary_expr(module_item).op());
Expand Down
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