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Add helper function for creating variable declarations 

Variables don't have a delay or strength and the NetNet::Type is known. Add
a small wrapper around pform_makewire() that can be used to create
variables. This will allow to reduce the boilerplate code for variable
declarations.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen 2022-01-22 17:22:18 +01:00
parent 6708c0f6df
commit 9da057ceb1
3 changed files with 16 additions and 4 deletions
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2
parse.y
View File

@ -1660,7 +1660,7 @@ loop_statement /* IEEE1800-2005: A.6.8 */
decl_assignment_t*tmp_assign = new decl_assignment_t;
tmp_assign->name = lex_strings.make($4);
assign_list.push_back(tmp_assign);
pform_makewire(@4, 0, str_strength, &assign_list, NetNet::REG, $3);
pform_make_var(@4, &assign_list, $3);
}
statement_or_null
{ pform_name_t tmp_hident;

13
pform.cc
View File

@ -989,11 +989,18 @@ PCallTask* pform_make_call_task(const struct vlltype&loc,
return tmp;
}
void pform_make_foreach_declarations(const struct vlltype&loc,
std::list<perm_string>*loop_vars)
void pform_make_var(const struct vlltype&loc,
std::list<decl_assignment_t*>*assign_list,
data_type_t*data_type, std::list<named_pexpr_t>*attr)
{
static const struct str_pair_t str = { IVL_DR_STRONG, IVL_DR_STRONG };
pform_makewire(loc, 0, str, assign_list, NetNet::REG, data_type, attr);
}
void pform_make_foreach_declarations(const struct vlltype&loc,
std::list<perm_string>*loop_vars)
{
list<decl_assignment_t*>assign_list;
for (list<perm_string>::const_iterator cur = loop_vars->begin()
; cur != loop_vars->end() ; ++ cur) {
@ -1002,7 +1009,7 @@ void pform_make_foreach_declarations(const struct vlltype&loc,
assign_list.push_back(tmp_assign);
}
pform_makewire(loc, 0, str, &assign_list, NetNet::REG, &size_type);
pform_make_var(loc, &assign_list, &size_type);
}
PForeach* pform_make_foreach(const struct vlltype&loc,

5
pform.h
View File

@ -363,6 +363,11 @@ extern void pform_makewire(const struct vlltype&li,
data_type_t*data_type,
std::list<named_pexpr_t>*attr = 0);
extern void pform_make_var(const struct vlltype&loc,
std::list<decl_assignment_t*>*assign_list,
data_type_t*data_type,
std::list<named_pexpr_t>*attr = 0);
extern void pform_make_var_init(const struct vlltype&li,
perm_string name, PExpr*expr);