luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Clean up pform_module_define_port in preparation for new tricks. 

Get rid of the data_type, signed_flag, and range arguments to the
pform_module_define_port because they add no value within the
parse.y parser. Cleaning these out will hopefully ease the addition
of new functionality.
This commit is contained in:
Stephen Williams 2014-03-09 19:22:13 -07:00
parent aaee9989c2
commit f8e33b12cd
3 changed files with 28 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
parse.y
View File

@ -46,12 +46,8 @@ static ivl_variable_type_t param_active_type = IVL_VT_LOGIC;
static struct {
NetNet::Type port_net_type;
NetNet::PortType port_type;
ivl_variable_type_t var_type;
bool sign_flag;
data_type_t* data_type;
list<pform_range_t>* range;
} port_declaration_context = {NetNet::NONE, NetNet::NOT_A_PORT,
IVL_VT_NO_TYPE, false, 0, 0};
} port_declaration_context = {NetNet::NONE, NetNet::NOT_A_PORT, 0};
/* The task and function rules need to briefly hold the pointer to the
task/function that is currently in progress. */
@ -1900,27 +1896,16 @@ tf_port_item /* IEEE1800-2005: A.2.7 */
if ($4 != 0) {
yyerror(@4, "internal error: How can there be an unpacked range here?\n");
}
if (port_declaration_context.var_type == IVL_VT_NO_TYPE) {
tmp = pform_make_task_ports(@3, use_port_type,
port_declaration_context.data_type,
ilist);
} else {
tmp = pform_make_task_ports(@3, use_port_type,
port_declaration_context.var_type,
port_declaration_context.sign_flag,
copy_range(port_declaration_context.range),
ilist);
}
tmp = pform_make_task_ports(@3, use_port_type,
port_declaration_context.data_type,
ilist);
} else {
// Otherwise, the decorations for this identifier
// indicate the type. Save the type for any right
// context thta may come later.
port_declaration_context.port_type = use_port_type;
port_declaration_context.var_type = IVL_VT_NO_TYPE;
port_declaration_context.sign_flag = false;
delete port_declaration_context.range;
port_declaration_context.range = 0;
if ($2 == 0) {
$2 = new vector_type_t(IVL_VT_LOGIC, false, 0);
FILE_NAME($2, @3);
@ -3817,10 +3802,7 @@ list_of_port_declarations
pform_module_define_port(@3, name,
port_declaration_context.port_type,
port_declaration_context.port_net_type,
port_declaration_context.var_type,
port_declaration_context.sign_flag,
port_declaration_context.data_type,
port_declaration_context.range, 0);
port_declaration_context.data_type, 0);
delete[]$3;
$$ = tmp;
}
@ -3841,14 +3823,9 @@ port_declaration
{ Module::port_t*ptmp;
perm_string name = lex_strings.make($5);
ptmp = pform_module_port_reference(name, @2.text, @2.first_line);
pform_module_define_port(@2, name, NetNet::PINPUT, $3, IVL_VT_NO_TYPE,
false, $4, 0, $1);
pform_module_define_port(@2, name, NetNet::PINPUT, $3, $4, $1);
port_declaration_context.port_type = NetNet::PINPUT;
port_declaration_context.port_net_type = $3;
port_declaration_context.var_type = IVL_VT_NO_TYPE;
port_declaration_context.sign_flag = false;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = $4;
delete[]$5;
if ($6) {
@ -3863,15 +3840,13 @@ port_declaration
perm_string name = lex_strings.make($4);
ptmp = pform_module_port_reference(name, @2.text,
@2.first_line);
pform_module_define_port(@2, name, NetNet::PINPUT,
NetNet::WIRE, IVL_VT_REAL, true, 0, 0, $1);
real_type_t*real_type = new real_type_t(real_type_t::REAL);
FILE_NAME(real_type, @3);
pform_module_define_port(@2, name, NetNet::PINPUT,
NetNet::WIRE, real_type, $1);
port_declaration_context.port_type = NetNet::PINPUT;
port_declaration_context.port_net_type = NetNet::WIRE;
port_declaration_context.var_type = IVL_VT_REAL;
port_declaration_context.sign_flag = true;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = 0;
port_declaration_context.data_type = real_type;
delete[]$4;
$$ = ptmp;
}
@ -3879,14 +3854,9 @@ port_declaration
{ Module::port_t*ptmp;
perm_string name = lex_strings.make($5);
ptmp = pform_module_port_reference(name, @2.text, @2.first_line);
pform_module_define_port(@2, name, NetNet::PINOUT, $3, IVL_VT_NO_TYPE,
false, $4, 0, $1);
pform_module_define_port(@2, name, NetNet::PINOUT, $3, $4, $1);
port_declaration_context.port_type = NetNet::PINOUT;
port_declaration_context.port_net_type = $3;
port_declaration_context.var_type = IVL_VT_NO_TYPE;
port_declaration_context.sign_flag = false;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = $4;
delete[]$5;
if ($6) {
@ -3901,15 +3871,13 @@ port_declaration
perm_string name = lex_strings.make($4);
ptmp = pform_module_port_reference(name, @2.text,
@2.first_line);
real_type_t*real_type = new real_type_t(real_type_t::REAL);
FILE_NAME(real_type, @3);
pform_module_define_port(@2, name, NetNet::PINOUT,
NetNet::WIRE, IVL_VT_REAL, true, 0, 0, $1);
NetNet::WIRE, real_type, $1);
port_declaration_context.port_type = NetNet::PINOUT;
port_declaration_context.port_net_type = NetNet::WIRE;
port_declaration_context.var_type = IVL_VT_REAL;
port_declaration_context.sign_flag = true;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = 0;
port_declaration_context.data_type = real_type;
delete[]$4;
$$ = ptmp;
}
@ -3937,14 +3905,9 @@ port_declaration
}
}
ptmp = pform_module_port_reference(name, @2.text, @2.first_line);
pform_module_define_port(@2, name, NetNet::POUTPUT, use_type, IVL_VT_NO_TYPE,
false, $4, 0, $1);
pform_module_define_port(@2, name, NetNet::POUTPUT, use_type, $4, $1);
port_declaration_context.port_type = NetNet::POUTPUT;
port_declaration_context.port_net_type = use_type;
port_declaration_context.var_type = IVL_VT_NO_TYPE;
port_declaration_context.sign_flag = false;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = $4;
delete[]$5;
if ($6) {
@ -3959,15 +3922,13 @@ port_declaration
perm_string name = lex_strings.make($4);
ptmp = pform_module_port_reference(name, @2.text,
@2.first_line);
real_type_t*real_type = new real_type_t(real_type_t::REAL);
FILE_NAME(real_type, @3);
pform_module_define_port(@2, name, NetNet::POUTPUT,
NetNet::WIRE, IVL_VT_REAL, true, 0, 0, $1);
NetNet::WIRE, real_type, $1);
port_declaration_context.port_type = NetNet::POUTPUT;
port_declaration_context.port_net_type = NetNet::WIRE;
port_declaration_context.var_type = IVL_VT_REAL;
port_declaration_context.sign_flag = true;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = 0;
port_declaration_context.data_type = real_type;
delete[]$4;
$$ = ptmp;
}
@ -3986,14 +3947,9 @@ port_declaration
}
}
ptmp = pform_module_port_reference(name, @2.text, @2.first_line);
pform_module_define_port(@2, name, NetNet::POUTPUT, use_type, IVL_VT_NO_TYPE,
false, $4, 0, $1);
pform_module_define_port(@2, name, NetNet::POUTPUT, use_type, $4, $1);
port_declaration_context.port_type = NetNet::PINOUT;
port_declaration_context.port_net_type = use_type;
port_declaration_context.var_type = IVL_VT_NO_TYPE;
port_declaration_context.sign_flag = false;
delete port_declaration_context.range;
port_declaration_context.range = 0;
port_declaration_context.data_type = $4;
pform_make_reginit(@5, name, $7);

14
pform.cc
View File

@ -2154,15 +2154,14 @@ void pform_make_reginit(const struct vlltype&li,
*/
void pform_module_define_port(const struct vlltype&li,
perm_string name,
NetNet::PortType port_type,
NetNet::PortType port_kind,
NetNet::Type type,
ivl_variable_type_t data_type,
bool signed_flag,
data_type_t*vtype,
list<pform_range_t>*range,
list<named_pexpr_t>*attr)
{
struct_type_t*struct_type = 0;
ivl_variable_type_t data_type = IVL_VT_NO_TYPE;
bool signed_flag = false;
PWire*cur = pform_get_wire_in_scope(name);
if (cur) {
@ -2174,10 +2173,7 @@ void pform_module_define_port(const struct vlltype&li,
return;
}
if (vtype) {
ivl_assert(li, data_type == IVL_VT_NO_TYPE);
ivl_assert(li, range == 0);
}
list<pform_range_t>*range = 0;
if (vector_type_t*vec_type = dynamic_cast<vector_type_t*> (vtype)) {
data_type = vec_type->base_type;
@ -2216,7 +2212,7 @@ void pform_module_define_port(const struct vlltype&li,
if (data_type == IVL_VT_NO_TYPE)
data_type = IVL_VT_LOGIC;
cur = new PWire(name, type, port_type, data_type);
cur = new PWire(name, type, port_kind, data_type);
FILE_NAME(cur, li);
cur->set_signed(signed_flag);

3
pform.h
View File

@ -168,10 +168,7 @@ extern void pform_module_define_port(const struct vlltype&li,
perm_string name,
NetNet::PortType,
NetNet::Type type,
ivl_variable_type_t data_type,
bool signed_flag,
data_type_t*vtype,
list<pform_range_t>*range,
list<named_pexpr_t>*attr);
extern Module::port_t* pform_module_port_reference(perm_string name,