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Fix handling of inline decloration without wire keyword.

This commit is contained in:
steve 2003-02-07 23:16:09 +00:00
parent 79b2beb588
commit 26b755d544
1 changed files with 45 additions and 6 deletions
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51
parse.y
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@ -19,13 +19,14 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if HAVE_CVS_IDENT
#ident "$Id: parse.y,v 1.171 2003/02/02 19:02:39 steve Exp $"
#ident "$Id: parse.y,v 1.172 2003/02/07 23:16:09 steve Exp $"
#endif
# include "config.h"
# include "parse_misc.h"
# include "pform.h"
# include <sstream>
extern void lex_start_table();
extern void lex_end_table();
@ -159,7 +160,8 @@ const static struct str_pair_t str_strength = { PGate::STRONG, PGate::STRONG };
%type <net_decl_assign> net_decl_assign net_decl_assigns
%type <mport> port port_opt port_reference port_reference_list port_declaration
%type <mport> port port_opt port_reference port_reference_list
%type <mport> port_declaration port_declaration_error
%type <mports> list_of_ports list_of_ports_opt list_of_port_declarations
%type <wires> task_item task_item_list task_item_list_opt
@ -185,7 +187,7 @@ const static struct str_pair_t str_strength = { PGate::STRONG, PGate::STRONG };
%type <exprs> assign assign_list
%type <exprs> range range_opt
%type <nettype> net_type var_type
%type <nettype> net_type var_type net_type_opt
%type <gatetype> gatetype
%type <porttype> port_type
%type <parmvalue> parameter_value_opt
@ -1183,10 +1185,20 @@ list_of_port_declarations
delete $1;
$$ = tmp;
}
| list_of_port_declarations ',' port_declaration_error
{ svector<Module::port_t*>*tmp;
if ($3) {
tmp = new svector<Module::port_t*>(*$1, $3);
delete $1;
$$ = tmp;
} else {
$$ = $1;
}
}
;
port_declaration
: K_input net_type signed_opt range_opt IDENTIFIER
: K_input net_type_opt signed_opt range_opt IDENTIFIER
{ Module::port_t*ptmp;
ptmp = pform_module_port_reference($5, @1.text,
@1.first_line);
@ -1195,7 +1207,7 @@ port_declaration
delete $5;
$$ = ptmp;
}
| K_inout net_type signed_opt range_opt IDENTIFIER
| K_inout net_type_opt signed_opt range_opt IDENTIFIER
{ Module::port_t*ptmp;
ptmp = pform_module_port_reference($5, @1.text,
@1.first_line);
@ -1204,7 +1216,7 @@ port_declaration
delete $5;
$$ = ptmp;
}
| K_output net_type signed_opt range_opt IDENTIFIER
| K_output net_type_opt signed_opt range_opt IDENTIFIER
{ Module::port_t*ptmp;
ptmp = pform_module_port_reference($5, @1.text,
@1.first_line);
@ -1224,6 +1236,33 @@ port_declaration
}
;
/* Detect some ways the port declaration can be messed up. */
port_declaration_error
: net_type_opt signed_opt range_opt IDENTIFIER
{ ostringstream msg1, msg2;
msg1 << "error: Port " << $4 << " in declaration "
<< "list requires a direction keyword.";
yyerror(@4, msg1.str().c_str());
msg2 << "error: Do you mean ``inout " << $4 << "''?";
yyerror(@4, msg2.str().c_str());
Module::port_t*ptmp;
ptmp = pform_module_port_reference($4, @4.text,
@4.first_line);
pform_module_define_port(@4, $4, NetNet::PINOUT,
$1, $2, $3);
delete $4;
$$ = ptmp;
}
;
net_type_opt
: net_type { $$ = $1; }
| { $$ = NetNet::IMPLICIT; }
;
list_of_ports_opt
: '(' list_of_ports ')' { $$ = $2; }
| '(' list_of_port_declarations ')' { $$ = $2; }