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

Parse dynamic array declarations.

This commit is contained in:
Stephen Williams 2012-03-01 18:48:16 -08:00
parent dbc58838d5
commit 64ea328823
1 changed files with 50 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
parse.y
View File

@ -982,6 +982,56 @@ loop_statement /* IEEE1800-2005: A.6.8 */
} }
; ;
/* TODO: Replace register_variable_list with list_of_variable_decl_assignments. */
list_of_variable_decl_assignments /* IEEE1800-2005 A.2.3 */
: variable_decl_assignment
{ list<decl_assignment_t*>*tmp = new list<decl_assignment_t*>;
tmp->push_back($1);
$$ = tmp;
}
| list_of_variable_decl_assignments ',' variable_decl_assignment
{ list<decl_assignment_t*>*tmp = $1;
tmp->push_back($3);
$$ = tmp;
}
;
variable_decl_assignment /* IEEE1800-2005 A.2.3 */
: IDENTIFIER dimensions_opt
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
if ($2) {
tmp->index = *$2;
delete $2;
}
delete[]$1;
$$ = tmp;
}
| IDENTIFIER '=' expression
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
tmp->expr .reset($3);
delete[]$1;
$$ = tmp;
}
| IDENTIFIER '[' ']'
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
yyerror("sorry: Dynamic arrays not yet supported here.");
delete[]$1;
$$ = tmp;
}
| IDENTIFIER '[' '$' ']'
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
yyerror("sorry: Queue dimensions not yet supported here.");
delete[]$1;
$$ = tmp;
}
;
loop_variables /* IEEE1800-2005: A.6.8 */ loop_variables /* IEEE1800-2005: A.6.8 */
: loop_variables ',' IDENTIFIER : loop_variables ',' IDENTIFIER
{ list<perm_string>*tmp = $1; { list<perm_string>*tmp = $1;
@ -4703,40 +4753,6 @@ register_variable_list
} }
; ;
/* TODO: Replace register_variable_list with list_of_variable_decl_assignments. */
list_of_variable_decl_assignments
: variable_decl_assignment
{ list<decl_assignment_t*>*tmp = new list<decl_assignment_t*>;
tmp->push_back($1);
$$ = tmp;
}
| list_of_variable_decl_assignments ',' variable_decl_assignment
{ list<decl_assignment_t*>*tmp = $1;
tmp->push_back($3);
$$ = tmp;
}
;
variable_decl_assignment
: IDENTIFIER dimensions_opt
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
if ($2) {
tmp->index = *$2;
delete $2;
}
delete[]$1;
$$ = tmp;
}
| IDENTIFIER '=' expression
{ decl_assignment_t*tmp = new decl_assignment_t;
tmp->name = lex_strings.make($1);
tmp->expr .reset($3);
delete[]$1;
$$ = tmp;
}
;
net_variable net_variable
: IDENTIFIER dimensions_opt : IDENTIFIER dimensions_opt
{ perm_string name = lex_strings.make($1); { perm_string name = lex_strings.make($1);