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Record the actual data type when a module port has an enum type. 

This fixes assignment compatibility problems (issue #498).

(cherry picked from commit cf0bf4d9aa)
This commit is contained in:
Martin Whitaker 2021-04-28 20:18:04 +01:00
parent ada3067899
commit 0bd51dbfb8
1 changed files with 6 additions and 2 deletions
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8
pform.cc
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@ -2535,6 +2535,7 @@ void pform_module_define_port(const struct vlltype&li,
bool keep_attr) bool keep_attr)
{ {
struct_type_t*struct_type = 0; struct_type_t*struct_type = 0;
enum_type_t*enum_type = 0;
ivl_variable_type_t data_type = IVL_VT_NO_TYPE; ivl_variable_type_t data_type = IVL_VT_NO_TYPE;
bool signed_flag = false; bool signed_flag = false;
@ -2587,10 +2588,10 @@ void pform_module_define_port(const struct vlltype&li,
signed_flag = false; signed_flag = false;
prange = 0; prange = 0;
} else if (enum_type_t*enum_type = dynamic_cast<enum_type_t*>(vtype)) { } else if ((enum_type = dynamic_cast<enum_type_t*>(vtype))) {
data_type = enum_type->base_type; data_type = enum_type->base_type;
signed_flag = enum_type->signed_flag; signed_flag = enum_type->signed_flag;
prange = enum_type->range.get(); prange = 0;
} else if (vtype) { } else if (vtype) {
VLerror(li, "sorry: Given type %s not supported here (%s:%d).", VLerror(li, "sorry: Given type %s not supported here (%s:%d).",
@ -2610,6 +2611,9 @@ void pform_module_define_port(const struct vlltype&li,
if (struct_type) { if (struct_type) {
cur->set_data_type(struct_type); cur->set_data_type(struct_type);
} else if (enum_type) {
cur->set_data_type(enum_type);
} else if (prange == 0) { } else if (prange == 0) {
cur->set_range_scalar((type == NetNet::IMPLICIT) ? SR_PORT : SR_BOTH); cur->set_range_scalar((type == NetNet::IMPLICIT) ? SR_PORT : SR_BOTH);